JP3468038B2 - Rail device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rail device used in, for example, a vehicle assembling factory for carrying equipment for carrying a vehicle body on a fixed route on the floor.

[0002]

2. Description of the Related Art Conventionally, as a transfer facility of this type, a structure disclosed in, for example, Japanese Utility Model Publication No. 3-40685 is provided. That is, the guide device is arranged by a pair of left and right guide rails made of a C-shaped member, the open portions of which face each other, and a guide rail for the shuttle conveyor, that is, a C-shaped member is provided below the guide device. A pair of left and right guide rails whose open portions face each other are provided. The guide rails and the guide rails are connected by U-shaped yokes arranged at required intervals in the length direction. The yoke group is supported (fixed) on the floor side via anchor bolts and the like.

[0003]

However, according to the above-mentioned conventional structure, the rail length change and the yoke connection accuracy,
In addition, the yoke may be located away from the anchor bolt depending on the burying accuracy of the anchor bolt, and in this case, the two cannot be connected and fixed together. This will prevent the rails from supporting at the desired spacing.

Therefore, an object of the invention of claim 1 of the present invention is to provide a rail device which can be favorably supported on the lower structure side regardless of various accuracies.

[0005]

In order to achieve the above-mentioned object, a rail device according to claim 1 of the present invention comprises:
In a rail device in which rails are connected via a yoke member, the rail is configured by arranging a pair of left and right C-shaped rail bodies with their open portions facing each other. A base body is provided at a proper position in the length direction so as to abut between lower surfaces of both C-shaped rail bodies, and an outer end of the base body is locked to the base body and an inner end of the base body is provided on an upper surface side of the base body. The present invention is characterized in that a pair of left and right positioning bodies abutting on the outer surface of the C-shaped rail body are provided, and a fixture for fixing these positioning bodies to the base body side is provided.

Therefore, according to the first aspect of the invention, the base body is arranged at a predetermined position of the substructure regardless of the position of the yoke member. The C-shaped rail body is placed between the upper surfaces of the plurality of base bodies via the lower surface of the C-shaped rail body with the base bodies arranged at the plurality of predetermined positions. Then, the positioning bodies are arranged on both sides of the C-shaped rail body, and at this time, the positioning body has the outer end locked to the base body side and the inner end abutted on the outer surface of the C-shaped rail body. Then, the positioning body can be fixed to the base body side by operating the fixing tool, and thus the rail can be fixed between the base bodies and the rail can be arranged on the lower structure side.

According to a second aspect of the present invention, in the rail device according to the first aspect, the base body is supported by the lower structure through a height adjustable landing body. It is a feature.

Therefore, according to the second aspect of the present invention, after the rail is supported on the lower structure side through the landing body,
By adjusting the height on the side of the landing body, the rail can be adjusted to a predetermined height and a predetermined posture (horizontal shape or inclined shape).

According to a third aspect of the present invention, in the rail device according to the first or second aspect, the positioning body has a downward bent portion at its outer end, and the downward bent portion has the downward bent portion. It is characterized in that it is engaged with a step formed on the base body.

Therefore, according to the third aspect of the present invention, when the positioning bodies are arranged on both sides of the C-shaped rail body, the lower bent portion can be locked to the step portion on the base body side. Further, the rail device according to claim 4 of the present invention is the above-mentioned claim 1.
In the configuration according to any one of 3 to 3, the positioning body,
It is characterized in that it has an upper bent portion at its inner end, and an inward surface of this upper bent portion is in contact with an outer surface of the C-shaped rail body.

Therefore, according to the invention of claim 4, when the positioning bodies are arranged on both sides of the C-shaped rail body, the inward surface of the upper bent portion can be brought into contact with the outer surface of the C-shaped rail body. .

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of the present invention will be described below with reference to FIGS. It will be explained based on.

The floor-side transfer facility 1 is composed of a rail device 10 and a transfer device 30 supported and guided by the rail device 10. In the rail device 10, the upper rail 11 and the lower rail 13 which are parallel to each other are connected via a yoke member 15 which is arranged at a required interval in the length direction. The upper rail 11 is formed by disposing a pair of left and right C-shaped rail bodies 12 with their open portions 12a facing each other, and the lower rail 13 is composed of a pair of left and right C-shaped rail bodies 14. The open portions 14a are arranged to face each other.

The yoke member 15 is formed in a U-shaped flat plate shape by a bottom plate portion 15A and a pair of left and right side plate portions 15B extending upward from both ends of the bottom plate portion 15A. Then, the C-shaped rail body 1 of the upper rail 11 is provided with respect to the inner edge of the upper portion of the side plate portions 15B of the yoke member 15.
2 is welded to the outer side surface 12b, and C on the lower rail 13 is attached to the lower inner edge of the side plate portions 15B.
The outer surface 14b of the V-shaped rail body 14 is welded, and the lower surface 14c of the C-shaped rail body 14 is welded to the upper edges of both sides of the bottom plate portion 15A, so that the parallel rails 11 and 13 are separated from each other. The connection is made.

At a proper position in the longitudinal direction of the lower rail 13, there is provided a base body 16 which is abutted between the lower surfaces of both C-shaped rail bodies 14. The base body 16 has a plate-like shape, and step portions 17 are formed at the left and right ends of the contact surface (upper surface) 16a. The base body 16 has a vertical screw hole 18 formed inside the step portion 17 and a vertical through hole 19 formed outside the step portion 17.

The base body 16 is supported on the floor (an example of a lower structure) 5 side through a height adjustable landing body 20. That is, the landing body 20 includes a landing plate 21 that is landed on the floor 5, a bolt body 22 that is provided upright from the landing plate 21 and that is inserted into the through hole 19, and is screwed to the bolt body 22. The base body 16 is composed of a pair of upper and lower nut bodies 23 that can be tightened and a recess 24 formed at the outer end of the landing plate 21.

An anchor bolt 6 is provided on the floor 5 side, and a nut 7 is screwed into the anchor bolt 6 with the anchor bolt 6 positioned in the recess 24.

On the contact surface 16a side of the base body 16,
Positioning body 2 whose outer end is locked to the side of the base body 16 and whose inner end is in contact with the outer surface 14b of the C-shaped rail body 14.
5 are provided in a left-right pair. That is, the positioning body 2
5 is formed by bending a plate or the like, and a step portion 17 formed on the base body 16 is formed at the outer end thereof.
Is provided with a lower bent portion 25A that can be locked, and the inner end is provided with an upper bent portion 25B whose inwardly facing surface 25b is abuttable with the outer surface 14b of the C-shaped rail body 14. A vertical through hole 26 is formed in the central portion of the positioning body 25.

A bolt body (an example of a fixture) for fixing the positioning body 25 thus configured to the base body 16 side 2
7 is provided. That is, the bolt body 27 is passed through the through hole 26 from above and screwed into the screw hole 18. An example of the rail device 10 is configured by the above 11 to 27 and the like.

In the rail device 10 constructed as described above, the upper rail 11 guides and supports the moving body (carrier) 32 via the rollers 31 and the lower rail 13 via the rollers 33 and the like. The moving body 3
The guide for supporting the driving body 34 using a chain that imparts a moving force to 2 is performed. A disengageable transmission portion 35 is provided between the moving body 32 and the driving body 34. 31 to above
An example of the transfer device 30 is constituted by 35 and the like.

The operation of the above-described first embodiment will be described below. Before assembling the rail device 10,
The upper rail 11 and the lower rail 13 are connected via a yoke member 15. The split rail body 28 thus formed is disposed on the floor 5 side via the base body 16 and the like. That is, the anchor bolt 6 is disposed at a predetermined position on the floor 5, and with the anchor bolt 6 positioned in the recess 24, the base body 16 is interposed via the positioning body 25.
Is provided. Then, the nut 7 is screwed into the anchor bolt 6 to fix the base body 16 at a predetermined position via the positioning body 25.

The disposition and fixing of the base body 16 is performed regardless of the position of the yoke material 15 on the split rail body 28. With the base body 16 fixed at a plurality of predetermined positions, the split rail body 28 is placed on the contact surfaces 16a of the plurality of base bodies 16 via the lower surface 14c of the C-shaped rail body 14. . Then, the positioning bodies 25 are arranged on both sides of the lower rail 13, and at this time, in the positioning body 25, the lower bent portion 25A is locked to the step portion 17 on the base body 16 side and the inside of the upper bent portion 25B. The facing surface 25b is brought into contact with the outer surface 14b of the C-shaped rail body 14.

After the positioning body 25 is thus arranged, the bolt body 27 is passed through the through hole 26 from above and screwed into the screw hole 18, whereby the positioning body 25 is formed.
By being fixed to the 6 side, the split rail body 28 is fixed between the base bodies 16. The fixing work by screwing the bolt body 27 is performed while keeping the left and right balance.

After the split rail body 28 has been fixed to the floor 5 side as described above, the height of the landing body 20 side is adjusted by operating the nut body 23, so that the split rail body 28 has a predetermined height. In addition, it can be adjusted to a predetermined posture (horizontal shape or inclined shape).

The disposition and fixing of the split rail body 28 as described above is performed while the split rail body 28 is rail-connected in the longitudinal direction. That is, the rail connection of the split rail body 28 is performed by connecting the yoke members 15 at the end portions with a connecting tool in a state where the rail end surfaces of the C-shaped rails 12 and 14 face each other (equivalently contact each other) in the rail length direction. It is done by connecting. As described above, the rail device 10 can be arranged on the floor 5 side.

During the operation in which the transport device 30 is incorporated in the rail device 10, the moving body 32 moves the rollers 3
1 is fitted and supported and guided by the upper rail 11, and the driving body 34 is stably moved on a fixed path by the roller 33 which is fitted and supported and guided by the lower rail 13.

Next, a second embodiment of the present invention will be described with reference to FIGS. That is, the positioning body 40
Has a different bent shape, and the outer end thereof is provided with a lower bent portion 40A which can be locked to the step portion 17 formed on the base body 16, while the inner end is provided with the bent portion. Instead, the end portion (end surface) 40B is abuttable on the outer surface 14b of the C-shaped rail body 14. A vertical through hole 41 is formed in the central portion of the positioning body 40.

Next, a third embodiment of the present invention will be described with reference to FIGS. That is, the positioning body 45
The positioning body 45 is of a clamp body type, and the lower outer end of the positioning body 45 is provided with a downward projecting portion 45A which can be engaged with the step portion 17 formed on the base body 16,
The outer surface 14b of the C-shaped rail body 14 is provided at the inner end of the upper portion.
Is provided with an inwardly projecting portion 45B that can come into contact with, and an upper projecting portion 45C that can come into contact with the upper surface 14d of the C-shaped rail body 14 is provided at the upper end thereof. And the positioning body 45
The lower inner end of the contact surface 16a of the base body 16 and C
Spaces S1 and S2 are formed between the character-shaped rail body 14 and the outer surface 14b.

According to the third embodiment, the step portion 17
The lower protrusion 45A is locked to the outer surface 14b, the inner protrusion 45B is brought into contact with the outer surface 14b, and the upper protrusion 45C is brought into contact with the upper surface 14d. The positioning body 45 is fixed to the base body 16 side by being passed through from above and screwed into the screw hole 18, and the split rail body 28 is fixed between the base bodies 16. At that time, the tightening force of the bolt body 27 is the clearance S1, S
The split rail body 28 can be fixed by the clamping action of the positioning body 45.

Next, a fourth embodiment of the present invention will be described with reference to FIG.
It will be described based on. That is, this is a modification of the third embodiment described above, and the groove step 48 is provided on the base body 16 side.
Is formed, and the downward protrusion 4 is
5A is fitted and locked from above.

In each of the above-mentioned embodiments, the floor 5 is shown as a substructure, but this may be a floor beam or the like. In each of the above-described embodiments, the upper rails 1 parallel to each other are used.
1 and the lower rail 13 are connected to each other via a yoke material 15, but only the lower rail 13 is connected to the yoke material 15.
It may be a form in which they are connected via.

[0032]

According to claim 1 of the present invention described above, the base body can be arranged at a predetermined position of the substructure regardless of the position of the yoke member, and the C body mounted between the plurality of base bodies can be arranged. The character-shaped rail body can be fixed to the base body side by arranging the positioning bodies on both sides of the C-shaped rail body and then operating the fixture. Accordingly, the rail can be favorably supported on the lower structure side regardless of various accuracies.

According to claim 2 of the present invention described above,
After supporting the rail on the lower structure side via the landing body, by adjusting the height on the landing body side, the rail can be easily moved to a predetermined height and a predetermined posture (horizontal or inclined). Can be adjusted.

According to the third aspect of the present invention described above, when the positioning bodies are arranged on both sides of the C-shaped rail body, the downward bending portion is locked to the step portion on the side of the base body to perform positioning. It can contribute to the fixation of the C-shaped rail body without the body being displaced.

Further, according to the fourth aspect of the present invention, when the positioning bodies are arranged on both sides of the C-shaped rail body, the inward surface of the upper bent portion becomes the outer surface of the C-shaped rail body. By abutting, the C-shaped rail body can always be stably fixed to the base body side.

[Brief description of drawings]

FIG. 1 is a front view of a rail device according to a first embodiment of the present invention.

FIG. 2 is a plan view of a main part of the rail device.

FIG. 3 is a side view of a main part of the rail device.

FIG. 4 is a schematic side view of the rail device.

FIG. 5 is a front view of the rail device according to the second embodiment of the present invention.

FIG. 6 is a plan view of a main part of the rail device.

FIG. 7 is a partially cutaway front view of the rail device according to the third embodiment of the present invention.

FIG. 8 is a vertical cross-sectional front view of a main part of the rail device.

FIG. 9 shows a fourth embodiment of the present invention and is a vertical cross-sectional front view of a main part of the rail device.

[Explanation of symbols]

1 Floor side transfer equipment 5 floors (substructure) 6 anchor bolts 10 Rail device 11 Upper rail 12 C-shaped rail body 13 Lower rail 14 C-shaped rail body 14a open part 14b outer surface 14c lower surface 15 York material 16 base body 16a Contact surface (upper surface) 17 steps 18 screw holes 19 through holes 20 landing body 21 landing plate 22 bolt body 23 Nut body 25 Positioning body 25A Lower bend 25B Upper bend 25b inward surface 26 through holes 27 Bolt body (fixture) 28 split rails 30 carrier 40 Positioning body 40A downward bend 40B end (end face) 41 through hole 45 Positioning body 48 concave groove step

Claims (4)

(57) [Claims] 1. A rail device in which rails are connected to each other via a yoke member, and the rail is configured by arranging a pair of left and right C-shaped rail bodies with their open portions facing each other. At the proper positions along the length of the rail, both C
A base body is provided which is abutted between the lower surfaces of the V-shaped rail body, and an outer end of the base body is locked to the base body side and an inner end of the base body is attached to an outer surface of the C-shaped rail body. A rail device characterized in that a pair of left and right positioning bodies are provided, and a fixture for fixing the positioning bodies to the base body side is provided. 2. The rail device according to claim 1, wherein the base body is supported by the lower structure through a height adjustable landing body. 3. The positioning body has a downward bent portion at an outer end thereof, and the downward bent portion is engaged with a step portion formed on the base body. Rail device described. 4. The positioning body has an upper bent portion at an inner end thereof, and an inward surface of the upper bent portion is in contact with an outer surface of the C-shaped rail body. Item 1
The rail device according to any one of 3 above.