JP2992970B2 - Support structure for the fall prevention member on the rail for the transfer 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 structure for supporting a fall prevention member such as a safety net on a rail for a transfer device.

[0002]

2. Description of the Related Art For example, in a factory assembly line,
2. Description of the Related Art Parts are automatically transferred to a predetermined place by a transfer device.

[0003] By the way, the transport device travels above people and machines along rails supported on the ceiling of a factory or the like.
A safety net or the like for preventing an object from dropping from the transport device is suspended and supported along the traveling route of the transport device.

[0004]

Conventionally, the fall prevention member such as the above-mentioned safety net has been suspended and supported on the ceiling separately from the rail. The fall prevention member could not be attached simultaneously with the installation.

The present invention has been made in view of the above-mentioned problems, and an object thereof is to simply attach a fall prevention member to an arbitrary position on a rail for a transfer device without requiring special processing. An object of the present invention is to provide a support structure for a fall prevention member that can be supported on a conveyor rail.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a conveying device having an I-shaped cross section, in which a groove is formed in a lengthwise direction at a connecting portion between upper and lower flanges of a conveyor rail and a web. The mounting bracket attached to the fall prevention member is rotated and engaged with the concave groove, whereby the fall prevention member is supported on the rail for the transport device.

[0007]

According to the present invention, by rotating the mounting bracket together with the fall prevention member, the mounting bracket can be easily engaged with the pair of upper and lower concave grooves formed on the rail for the transfer device. Thereby, the fall prevention member can be mounted and supported on the rail. Therefore, the fall prevention member can be supported by using the rail, and the fall prevention member can be supported by the rail simultaneously with the laying of the rail.

When the mounting bracket is rotated in the groove in the direction opposite to the front direction, the engagement with the groove is easily released, so that the drop prevention member can be easily removed from the rail. Can be.

[0009] In the above-described support structure, since the rail does not require threading or the like, the number of processing steps can be reduced, the rail strength can be prevented from lowering, and the fall prevention member can be placed at any position on the rail. Easy to install,
Further, the mounting position of the fall prevention member can be easily changed.

[0010]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

First, the mounting structure of the monorail 1 for a transfer device will be described with reference to FIGS.
Is suspended and supported on a ceiling 4 via an intermediate bracket 2 and a support arm 3. 7 is a cutaway side view showing the mounting structure of the monorail 1, and FIG. 8 is an exploded perspective view of the same.

The support arm 3 is formed in an inverted L-shape.
In addition, rectangular mounting plates 5 and 6 are respectively attached to the lower part. The support arm 3 is mounted on the ceiling 4 by bolts 8 inserted into a circular hole 7 formed in the mounting plate 5.

The monorail 1 has an I-shaped cross section,
This is long in the direction perpendicular to the plane of FIG. 7, and a concave groove 9 is formed along the longitudinal direction of the monorail 1 (perpendicular to the plane of FIG. 7) at the connection between the upper and lower flanges 1a and 1b with the web 1c. It is formed. A plurality of current collectors 10 are provided along one longitudinal direction of the monorail 1 on one surface (the surface opposite to the intermediate bracket 2) with the web 1c of the monorail 1 as a boundary.

Further, the intermediate bracket 2 is constituted by attaching a mounting bracket 12 to one end of a pipe-shaped stay 11, and a notch 12a is formed at a diagonal corner of the mounting bracket 12 as shown in FIG. The mounting bracket 12 is formed with a screw hole 13.

The intermediate bracket 2 is turned in the direction of the arrow in FIG. 8 to tilt the mounting bracket 12 in the direction shown by the chain line in FIG.
2 is applied to the web 1c of the monorail 1 and is turned back to the original state (the state shown by the solid line in FIG. 8). Is engaged with a concave groove (9) formed on the side opposite to the above. In this state, if the bolt 14 screwed into the screw hole 13 of the mounting bracket 12 is turned and the web 1c of the monorail 1 is pressed at the tip of the bolt 14 as shown in FIG. Since the intermediate bracket 2 is pressed against one side wall of the pair of upper and lower concave grooves 9, the intermediate bracket 2 is attached and fixed to the monorail 1.

Next, the stay 11 of the intermediate bracket 2 is
Is supported by two U-bolts 15, the U-bolts 15 are passed through circular holes 16 formed in the support plate 6 of the support arm 3, and nuts 17 screwed into the holes are tightened. Is attached to the support arm 3 together with the monorail 1, and thus the monorail 1 is suspended and supported on the ceiling 4 via the intermediate bracket 2 and the support arm 3 as described above. If the nut 17 is loosened, the stay 11 of the intermediate bracket 2 becomes slidable in the direction of the arrow in FIG.
At the same time, it is movable in the same direction, the fixed position is adjusted, and the mounting error is absorbed.

Next, a support structure according to a first embodiment of the present invention will be described with reference to FIGS. 1 is a sectional side view showing a support structure of the safety net, FIG. 2 is an enlarged detailed view of the mounting bracket, FIG. 3 is a front view showing the support structure of the safety net, and FIG. 4 is a bottom view of the same. In the figure, reference numeral 18 denotes two support arms for supporting a safety net 19, which are supported at a predetermined distance in the longitudinal direction of the monorail 1. Each support arm 18 is configured by attaching a mounting bracket 21 to an end of an upper horizontal portion 20a of a pole 20 formed by bending a square pipe into a U-shape. The bolt 22 is screwed. As shown in detail in FIG. 2, a notch 21a is formed at a diagonal corner of the mounting bracket 21.

Thus, each support arm 18 is mounted and supported on the monorail 1 in the same manner as the intermediate bracket 2.
The support arm 18 is mounted and supported on the side of the web 1c of the monorail 1 opposite to the side on which the current collector 10 is arranged.

That is, the entire support arm 18 is turned with respect to the vertical state (attached state) shown by the solid line in FIG. Then, the mounting bracket 21 of the support arm 18 easily passes between the upper and lower flanges 1a and 1b of the monorail 1 and contacts the surface of the web 1c. Then, from this state, if the entire support arm 18 is turned in the opposite direction (the direction of the arrow in FIG. 3) to return to the vertical state shown by the solid line in FIG. 3, the mounting bracket 21 engages with the pair of upper and lower concave grooves 9 of the monorail 1. Combine. Since the notches 21a are formed in the diagonal corners of the mounting bracket 21 as described above, the notches 21a serve as recesses, so that the mounting bracket 21 can easily rotate in the concave groove 9. And finally engages with the concave groove 9.

After that, when the bolt 22 screwed to the mounting bracket 21 is turned and the web 1c of the monorail 1 is pressed at the tip of the bolt 22, the mounting bracket 2
The support arm 18 is mounted and supported on the monorail 1 because the 1 is pressed against one side wall of the pair of upper and lower concave grooves 9.

When the two support arms 18 are mounted and supported on the monorail 1, the safety net 19 is supported by the two support arms 18. That is, hooks 23 are provided at both ends in the longitudinal direction of the safety net 19, respectively.
By hooking these hooks 23 on the lower horizontal portion 20b of the pole 20 of the support arm 18, the safety net 19
Are horizontally supported by both support arms 18. Note that both ends in the short direction of the safety net 19 are covered with the guide 24.

The safety net 19 can be easily removed by lifting it up and releasing the engagement of the hook 23 with the pawl 20. Also, the support arm 18 can be easily turned by releasing the pressure contact state of the mounting bracket 21 to the concave groove 9 by loosening the bolt 22 and then turning the mounting bracket 21 to release the engagement with the concave groove 9. Can be removed.

As described above, in the support structure according to the present embodiment, since the processing of the monorail 1 is not required, the number of processing steps can be reduced, the strength of the monorail 1 itself can be prevented from lowering, and the safety net 19 can be prevented. Can be easily attached to the monorail 1 at any position, and the attachment position can be easily changed later.

Incidentally, the support structure according to the present invention can also be applied to a structure for supporting other members on the rail. Therefore, here, the supporting structure of the ID plate is shown in FIGS.
It will be described based on. FIG. 5 is a side sectional view showing the support structure of the ID plate, and FIG. 6 is an enlarged detailed view of the mounting bracket.

The ID plate 25 is an L-shaped plate 26
An ID card 27 is mounted on the monorail 1 via a mounting bracket 28.
Note that various information (for example, address, speed information, and the like) necessary for controlling the transport device is transferred via the ID card 27.

As shown in FIG. 6, the mounting bracket 28 is formed in a substantially rectangular shape when viewed from the front, and a notch 28a is formed in a diagonal corner thereof. In the center of the mounting bracket 28 in the height direction, as shown in FIG.
8b are formed, and a wide slit-like hole 28c is formed in the lateral direction at the top of the bulging portion 28b.
The mounting bracket 28 is integrally formed of resin.

The mounting bracket 28 is engaged with and fixed to the pair of upper and lower grooves 9 of the monorail 1 in the same manner as the intermediate bracket 2 and the mounting bracket 21. That is, the mounting bracket 28 is turned until the state shown by the chain line with respect to the vertical state (mounting state) shown by the solid line in FIG. Then, the mounting bracket 28 easily passes between the upper and lower flanges 1a and 1b of the monorail 1 and the web 1c.
Abut on the surface. Then, from this state, the mounting bracket 28 is turned in the opposite direction (the direction of the arrow in FIG. 6) to return to the vertical state shown by the solid line in FIG. Combine. Since the mounting bracket 28 has the notches 28a at the diagonal corners as described above, these notches 28a
And the mounting bracket 28 easily rotates within the groove 9 and engages with the groove 9.

Thus, when the mounting bracket 28 is mounted and supported on the monorail 1, the plate 26 of the ID plate 25 is passed through the slit-like hole 28 c formed in the bulging portion 28 b of the mounting bracket 28 and is screwed with the screw 29. If fixed, the ID plate 25 is easily mounted and supported on the monorail 1 via the mounting bracket 28. The screw 29
If ID is loosened, the ID plate 25 can be moved in the direction of the arrow in FIG. 5, and its mounting position can be adjusted according to the size of the transport device. Then, the mounting bracket 28
Can be easily removed by turning it in the direction opposite to the direction of the arrow in FIG. 6 to release its engagement with the groove 9.

[0029]

As is apparent from the above description, according to the present invention, a concave groove is formed in the lengthwise direction at the connecting portion between the upper and lower flanges of the rail for a transfer device having an I-shaped cross section and the upper and lower flanges. The mounting bracket attached to the fall prevention member is rotated and engaged with the groove, so that the fall prevention member is supported on the rail for the transfer device. The effect of being able to easily attach and support the fall prevention member at an arbitrary position on the rail without the need for processing is obtained.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing a support structure of a safety net.

FIG. 2 is an enlarged detailed view of a mounting bracket.

FIG. 3 is a front view showing a support structure of the safety net.

FIG. 4 is a bottom view showing a support structure of the safety net.

FIG. 5 is a side sectional view showing a support structure of the ID plate.

FIG. 6 is an enlarged detailed view of a mounting bracket.

FIG. 7 is a cutaway side view showing the mounting structure of the monorail 1.

FIG. 8 is an exploded perspective view showing a mounting structure of the monorail 1. FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Monorail (rail for conveyance apparatus) 1a, 1b Upper and lower flanges 1c Web 9 Concave groove 19 Safety net (fall prevention member) 21 Mounting bracket

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁶ , DB name) B61B 3/00-3/02 B66C 15/00 B65G 17/20 B66C 7/00-7/08

Claims (1)

(57) [Claims] 1. A mounting device in which a groove is formed in a lengthwise direction at a connecting portion of an upper and lower flange of a rail for a transfer device having an I-shaped cross section with a web, and a pair of upper and lower grooves is attached to a fall prevention member. A structure for supporting a fall prevention member on a rail for a transport device, wherein the fall prevention member is supported on a rail for a transport device by rotating a bracket and engaging the bracket.