JPH0853063A - Wheel floating-up preventing device - Google Patents

Abstract

PURPOSE:To provide a simple-constitution wheel floating-up preventing device which can surely prevent the slip-off of a wheel from a rail through floating-up. CONSTITUTION:In the vicinity of the wheel 3 of a traveling body 1 which travels on a rail 2 by a plurality of wheels 3, a nearly L-shaped stopper body 7a is installed in a swingable manner in the lateral direction through a hinge 7c, and the horizontal part 7e of the stopper body 7a is positioned under the guide part 2a which projectingly installed from the rail 2. Even if the wheel 3 tends to float up during traveling, floating-up is prevented by allowing the horizontal part 7e of the stopper body 7 to be engaged with the guide part 2a, and the slip-off of the wheel 3 is surely prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheel lift preventing device for a traveling body traveling on a rail.

[0002]

2. Description of the Related Art Conventionally, a traveling body traveling on a rail is provided with a plurality of wheels c rolling on a rail b below a traveling body a as shown in FIG. The wheel c is, for example, a grooved wheel, and has a structure in which both ends of the axle e are supported by a bearing d fixed to the traveling body a. In the traveling body a traveling on the rail b as described above, when the traveling wheel a derails from the rail b during traveling or the like, it becomes impossible to travel. Therefore, conventionally, a bearing d or the like as shown in FIG. By fixing the substantially L-shaped stopper f and positioning the horizontal portion g of the stopper f below the guide portion h projecting from the side surface of the rail b, the wheel c is prevented from floating above the rail b. To prevent.

[0003]

However, in the above-mentioned conventional wheel rising prevention device, when the traveling body a is inclined, the horizontal portion g of the stopper f may not be caught by the guide portion h,
As a result, there is a problem that the wheel c floats and derails. If the length of the horizontal portion g of the stopper f is increased in order to prevent such a problem, the horizontal portion g of the stopper f interferes with the rail b and makes an abnormal noise every time the traveling body a swings to the left or right while traveling.
Problems such as being unable to run occur. The present invention has been made in order to improve such a problem, and an object of the present invention is to provide a wheel lifting device capable of reliably preventing the lifting of the wheels with a simple configuration.

[0004]

In order to achieve the above object, the present invention provides a substantially L-shaped body which is swingable in the left-right direction via a hinge in the vicinity of the wheels of a traveling body traveling on a rail by a plurality of wheels. A stopper body having a character shape is provided, and the horizontal portion of the stopper body is located below a guide portion protruding from the rail.

[0005]

[Operation] Even if the running body swings to the left or right or tilts while running, the stopper body swings around the hinge and the horizontal portion of the stopper body is always below the guide portion. Can be reliably prevented from rising.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail with reference to the drawings shown in FIGS. FIG. 4 is a perspective view of a traveling body equipped with a wheel lifting prevention device, FIG. 5 is an enlarged front view of the wheel lifting prevention device, and FIG. 6 is a perspective view of a stopper. In these figures, reference numeral 1 denotes a traveling body traveling on a rail 2, and a plurality of wheels 3 rolling on the rail 2 are provided at a lower portion thereof.
Each of the wheels 3 is formed of a grooved wheel, and both ends of an axle 4 are rotatably supported by a bearing 5 fixed to a lower portion of the traveling body 1, and the wheels float on the outer surface of each bearing 5. A stopper 7 of the prevention device 6 is attached. As shown in FIG. 6, the stopper 7 has a stopper body 7a formed in a substantially L shape and a vertical portion 7 of the stopper body 7a.
The mounting portion 7d is formed by alternately hinged to b through a hinge 7c, and the mounting portion 7d is fixed to the outer surface of the bearing 5.

The vertical portion 7b and the horizontal portion 7e of the stopper body 7a are bent at an angle slightly smaller than a right angle,
The hinge 7c is swingably hung down in the left-right direction of the traveling body 1, and the front and rear edges of the horizontal portion 7e are cut away at the hatched portions shown in FIG. 6 so that the front end side becomes narrower.
When the traveling body 1 travels on the rail 2, the horizontal portion 7e is located below the guide portion 2a protruding from the outer surface of the rail 2. The guide portion 2a
Are projected substantially at right angles to the vertical surface of the rail 2, and are also projected all over the wheel traveling range.

Next, the operation of the wheel lifting prevention device constructed as described above will be explained. The traveling body 1 is installed on the floor surface or the like 2.
While traveling on the rail 2 of the book, the horizontal portion 7e of the stopper body 7a hanging outside the bearing 5 during traveling is located below the guide portion 2a of the rail 2 as shown in FIG. Although the wheel 3 does not come into contact with the guide portion 2a, if the wheel 3 tries to float above the rail 2 for some reason while traveling, the horizontal portion 7e of the stopper body 7a engages with the lower surface of the guide portion 2a to prevent the wheel 3 from rising. Therefore, the wheel 3 does not derail from the rail 2.

Further, the stopper body 7a is provided via a hinge 7c.
Is oscillated so as to be swingable in the left-right direction. Therefore, by lengthening the length of the horizontal portion 7e in advance, even if the traveling body 1 swings to the left or right during traveling, the tip of the horizontal portion 7e will not contact the rail 2. It does not interfere with each other to generate an abnormal noise or prevent the vehicle from running, and the stopper body 7a on either side is always guided by the guide portion 2a.
The derailment of the wheel 3 can be surely prevented because the wheel 3 is engaged with. Further, even if the traveling body 1 is tilted and the wheels 3 float up, the stopper body 7a is always hung in the vertical direction by its own weight, so that the engagement state between the guide portion 2a and the horizontal portion 7e can be maintained.

Although the stopper 7 is provided outside the bearing 5 in the above embodiment, it may be provided inside the bearing 5 so as to be bilaterally symmetrical. In this case, the guide portion 2a is projected inside the rail 2. Just set it up. The stopper 7 is the bearing 5
However, it may be provided in a part of the traveling body 1.

[0011]

As described above in detail, according to the present invention, the stopper main body is oscillated so as to swing freely near the wheels provided on the traveling body via the hinge, and the horizontal portion of the stopper main body is projected from the rail. Since the wheel is positioned below the installed guide section, the horizontal section of the stopper main body engages with the guide section and prevents the wheel from floating even if the wheel tries to float above the rail during traveling. It is possible to reliably prevent derailment from above. Even if the running body swings to the left or right during running, the stopper body always hangs in the vertical direction due to its own weight, so the horizontal part does not come off from the guide part. As a result, it is possible to reliably prevent the wheel from derailing, and it is also possible to eliminate problems such as abnormal noise caused by the tip of the horizontal portion interfering with the rail, and the vehicle becoming unable to run. Moreover, since the stopper body is swingably suspended via the hinge, the stopper body can be easily and inexpensively implemented.

[Brief description of drawings]

FIG. 1 is a perspective view of a traveling body equipped with a conventional wheel lifting prevention device.

FIG. 2 is an enlarged front view of a traveling body equipped with a conventional wheel lifting prevention device.

FIG. 3 is a perspective view showing a stopper of a conventional wheel lift preventing device.

FIG. 4 is a perspective view of a traveling body including a wheel lifting prevention device according to an embodiment of the present invention.

FIG. 5 is an enlarged front view of a traveling body including a wheel lifting prevention device according to an embodiment of the present invention.

FIG. 6 is a perspective view showing a stopper of the wheel rising prevention device according to an embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Running body, 2 ... Rail, 2a ... Guide part, 7a ... Stopper main body, 7c ... Hinge, 7d ... Attachment part, 7e ... Horizontal part.

Claims (3)

[Claims] 1. A substantially L-shaped stopper body 7a which is swingable in the left-right direction via a hinge 7c is provided in the vicinity of the wheel 3 of a traveling body 1 traveling on a rail 2 by a plurality of wheels 3, and A wheel lifting prevention device characterized in that a horizontal portion 7e of the stopper body 7a is located below a guide portion 2a protruding from the rail 2. 2. The wheel rising prevention device according to claim 1, wherein the stopper body 7a and the mounting portion 7d for mounting the stopper body 7a on the traveling body 1 side are alternately hinged via a hinge 7c. 3. The wheel lifting prevention device according to claim 1, wherein the stopper body 7a is provided on the traveling body 1 side so as to be bilaterally symmetrical.