JPH07242138A - Mounting structure for trolley wire unit - Google Patents

Abstract

PURPOSE:To easily and surely perform mounting of a trolley wire unit by fitting its fitting protrusion to a fitting groove of a member mounting rail and by screwing a bolt, inserted through the trolley wire unit, to a nut of the member mounting rail. CONSTITUTION:A trolley wire unit 42 has a signal wire, that is, insulated trolley wire 44 for transceiving a signal, for instance, a stacker crane in an automatic warehouse. Then, a member mounting rail 40 is fixed in parallel to a guide rail of the stacker crane, in a protruding arm 24 in a cross tie side. The trolley wire unit 42 is mounted on one side of the member mounting rail 40. Here is a fitting protrusion 52, formed in the trolley wire unit 42, to a fitting groove 51 opened upward formed in the member mounting rail 40. A bolt 53, inserted in a through hole formed in the trolley wire unit 42, is screwed to a nut 54 in a T-shaped groove 41 in the member mounting rail 40.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply line for supplying power to a stacker crane of an automatic warehouse, a signal line for transmitting and receiving signals, etc. (hereinafter referred to as an insulated trolley wire).
And a mounting structure for a trolley wire unit having

[0002]

2. Description of the Related Art Conventionally, the following structure has been known as a mounting structure for a trolley wire unit of this type. That is, a trolley wire unit having at least one insulated trolley wire is applied to the side portion of the member mounting rail, and bolts are fitted into mutually overlapping bolt insertion holes formed at a predetermined interval above and below the trolley wire units. It is known that a nut is screwed.

[0003]

Disadvantages of the Prior Art The conventional trolley wire unit mounting structure has the following drawbacks. That is, since the upper and lower parts of the trolley wire unit are fixed with bolts and nuts, unless the required number of bolts and nuts are screwed together, the position of the trolley wire unit with respect to the member mounting rail is not determined, and as a result, There was a drawback that it was difficult to install the trolley wire unit.

[0004]

[Means for Solving the Disadvantages] The present invention adopts the following means in order to eliminate the above disadvantages. Claim 1
In the invention, a fitting groove that opens upward is formed in the member mounting rail, and a trolley wire unit having at least one insulating trolley wire is provided with a fitting protrusion that fits in the fitting groove.
The bolt is screwed into the nut in the T-shaped groove of the member mounting rail through the through hole formed in the trolley wire unit.

[0005]

The invention of claim 1 has the following effects. By fitting the fitting protrusion of the trolley wire unit into the fitting groove of the member mounting rail, the position of the trolley wire unit with respect to the member mounting rail is determined, so that the work of mounting the trolley wire unit is easy.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on the embodiments shown in the drawings. In this specification, the front means the lower side of FIG. 1, the rear means the upper side of FIG. 1, the left means the left side of FIG. 1, and the right means the right side of FIG.

A pair of front and rear rack devices 1 are erected on the floor so as to open the stacker crane passage 10. The rack device 1 includes a large number of front columns 2 arranged at right and left at predetermined intervals, rear columns 2 arranged behind the front columns 2 with a predetermined space therebetween, and front and rear columns 2. Has a large number of article support members 4 provided at predetermined intervals in the height direction, and the article storage shelves 3 are formed by a pair of left and right article support members 4 that face each other without interposing the columns 2.
Is configured. A fork passage gap 5 is provided between the pair of left and right article support members 4 to allow a slide fork 17 to be described later to move in the vertical direction. The access ports 6 of the article storage shelves 3 of the front and rear rack devices 1 face each other.

On the left side of the rack device 1, there is provided a loading / unloading roller conveyor 8 whose carrying direction is left and right. The rack device 1 for the loading / unloading roller conveyor 8
A known article elevator (not shown) is provided on the side.
This article elevator includes a lift table that can be raised and lowered by a known lift device below the rollers of the loading / unloading roller conveyor 8,
The elevator table is provided upright and has a pair of bearing frames located between the rollers of the loading / unloading roller conveyor 8. This article lifter forms a fork insertion gap between the conveying surface of the loading / unloading roller conveyor 8 and the bottom surface of the article W by lifting the article W by the support frame, or the slide fork 1 by the support frame in the raised position.
The article W is received from the article 7 and then descends to have the function of lowering the article W on the loading / unloading roller conveyor 8.

A pair of upper and lower guide rails 11 are arranged in the stacker crane passage 10 so that the longitudinal direction thereof is oriented in the left-right direction, and the stacker crane 13 is guided by these guide rails 11 so as to be movable left and right. , This stacker crane 13 has a traveling carriage 14
And a lift 16 that can be raised and lowered by a known lifting device on a mast 15 provided on the traveling carriage 14, and a slide provided on the lift 16 so as to be horizontally slidable in the front-rear direction by a known retracting mechanism. It has a fork 17. As is well known, the slide fork 17 pulls the article W into the elevating table 16 by performing an operation of projecting the article W downward, lifting the article W by raising the elevating table 16 and retreating to the elevating table 16 side. The article W can be unloaded onto the article storage shelf 3 or the like by the reverse operation. As is apparent from FIG. 1, the guide rail 11 is
That is, a gap 18 is formed between the stacker crane 13 and the rack device 1 on the rear side, which is slightly offset to the side where a member mounting rail 40, which will be described later, is provided. With such a configuration, an operator can move the stacker crane passage 10 through the gap 18 during inspection and repair. Further, since there is no member mounting rail 40 or the like described later on the floor surface on the side of the gap 18, it is easy to walk.

The lower guide rail 11 is laid on the floor as follows. That is, as shown in FIGS. 3 to 5, a metal lower member 21, which is a member of the sleeper 20, is fitted on an anchor bolt 27 which is erected on the floor and is fixed by a nut 28. There is. Two bolts 29 are erected on the lower member 21, and an upper member 22 made of aluminum die cast or the like, which is another member of the sleeper 20, has a slight play in the front-rear direction and the left-right direction. The upper member 22 is fitted with a pair of upper and lower nuts 30 screwed into the bolt 29,
It is fixed by finely adjusting the height position, left and right position, and front and rear position. The upper member 22 is the guide rail 11
The rail fixing portion 23 having a groove into which the guide rail 1 and the guide rail 1 are connected to one side edge of the rail fixing portion 23.
1 and the member mounting rail 40 arranged along the line 1. Then, after the guide rail 11 is fitted into the groove of the rail fixing portion 23, the T-shaped groove 31 formed in the lower portion of the guide rail 11 (in this specification, the T-shaped groove is opposed to the opening edge portion). A groove having a protruding edge formed therein, and includes a groove having protruding edges that are opposed to each other at the opening edge even if the groove has a sectional shape other than the T-shaped groove. Fit the bolt 32 into the rail fixing portion 23.
The guide rail 11 is fixed to the rail fixing portion 23 by fitting the notch 33 and tightening the nut 34.

A member mounting rail 40 is fixed to the projecting arm 24 so as to be parallel to the guide rail 11 as follows. A rising wall 36 is formed at the tip of the overhanging arm 24 of the rail fixing portion 23, and a protrusion 37 having a downwardly inclined surface 37 a is formed at the upper end of the rising wall 36 (long along the longitudinal direction or at predetermined intervals in the longitudinal direction). Is provided, the member mounting rail 40 is mounted on the flat upper surface of the tip end portion of the overhang arm 24, and the inclined surface 40 that abuts the inclined surface 37a on the member mounting rail 40.
The bolt 38 is screwed into the nut 39 fitted in the lower T-shaped groove 41 of the member mounting rail 40 through the through holes formed in the rising wall 36 at predetermined intervals along the longitudinal direction. By this, the member mounting rail 4
In the state in which 0 is biased to the rising wall 36, more specifically,
The member mounting rail 40 is fixed to the projecting arm 24 in a state where the inclined surface 40a is in contact with the downward inclined surface 37a. A required T-shaped groove 41, which is long, is formed in the front and rear portions of the member mounting rail 40.

On one side of the member mounting rail 40, a T
A large number of dogs 49 for position indication are attached using the shaped groove 41 and bolts and nuts so that the left and right positions are adjustable.
A trolley wire unit 42, which will be described in detail below, is attached to the other side of the member mounting rail 40 by the following means. The trolley wire unit 42 is a holder 45 made of synthetic resin, which has elastic engaging claws 46 that are long in the longitudinal direction or are located at predetermined intervals in the longitudinal direction.
And the trolley wire unit main body 43 held by the engaging claws 46 of the holder 45. The trolley wire unit main body 43 has a trolley wire attachment material 47 made of an insulating material and a plurality of insulating trolley wires 44.
On the member mounting rail 40, a fitting groove 51 is formed which is opened upward and at least one side surface is formed as an inclined surface 51a which is expanded upward. The fitting groove 51 is aligned with the fitting groove 51, and the lower portion of the holder 45 is aligned therewith. Fitting protrusions 52 (longer along the longitudinal direction or located at predetermined intervals in the longitudinal direction) are fitted, and bolts 53 are attached to the member mounting rail 40 through through holes formed in the upper portion of the holder 45 at predetermined intervals in the longitudinal direction.
The nut 54 is screwed into the T-shaped groove 41. Needless to say, as shown in FIG. 10, the fitting protrusion 52 may be provided on the member mounting rail 40 and the fitting groove 51 may be provided on the holder 45.

As shown in FIGS. 6 to 8, a power feeding / position detecting device 61 is provided below the stacker crane 13 as follows.
Is provided. The power feeding / position detecting device 61 includes a required number of known slidable contacts having a bracket 63 that is detachably attached to the stacker crane 13 and a slidable contactor 64 that slidably contacts the insulated trolley wire 44 provided on the bracket 63. Provided on the child unit 65 and the bracket 63,
Required transmission type photoelectric switch 66 for detecting the dog 49
And a casing 67 that is detachably attached to the stacker crane 13 that covers them. Instead of the transmissive photoelectric switch 66, a reflective photoelectric switch / limit switch or the like may be provided. It goes without saying that the casing 67 does not collide or interfere with the dog 49 or the like.

FIG. 11 shows a modified example near the sleeper 20. In FIG. 11, in the anchor bolt 27,
An iron sleeper 20 having higher strength than aluminum is tightened and fixed by a nut 28, and the overhang arm 2 made of aluminum having a relatively complicated shape is attached to the sleeper 20.
4 is bolted.

In this specification, the nut means a member having a screw hole, including a literal nut.

[0016]

The present invention has the following effects due to the above-mentioned configuration. According to the invention of claim 1, since the position of the trolley wire unit with respect to the member mounting rail is determined by fitting the fitting protrusion on the lower portion of the trolley wire unit into the fitting groove of the member mounting rail, the mounting of the trolley wire unit. Easy to work with. According to the invention of claim 2, the position of the trolley wire unit with respect to the member mounting rail is determined by fitting the fitting protrusion at the bottom of the member mounting rail into the fitting groove of the trolley wire unit. Easy to work with. According to the third aspect of the invention, since the wedge action acts on the fitting protrusion and the fitting groove, the trolley wire unit can be more firmly fixed. According to the invention of claim 4, the trolley wire unit includes a holder having elastic engaging claws vertically and a trolley wire unit main body having at least one insulating trolley wire held by the engaging claws of the holder. As a result, the trolley wire unit can be easily assembled.

[Brief description of drawings]

FIG. 1 is a simplified plan view with an intermediate omitted, showing an embodiment of the present invention.

FIG. 2 is an enlarged sectional view taken along line II-II of FIG.

FIG. 3 is an enlarged sectional view taken along line III-III of FIG.

4 is a sectional view taken along line IV-IV of FIG.

5 is a sectional view taken along line VV of FIG.

FIG. 6 is an enlarged view of a portion crushed in a portion A of FIG.

7 is a sectional view taken along line VII-VII in FIG.

8 is a sectional view taken along line VIII-VIII in FIG.

9 is an enlarged view of portion B of FIG. 7. FIG.

FIG. 10 is a cross-sectional view of an essential part showing a modified example of mounting the trolley wire unit.

FIG. 11 is a cross-sectional view showing a modified example near the sleepers.

[Explanation of symbols]

 40 member mounting rail 41 T-shaped groove 42 trolley wire unit 44 insulating trolley wire 51 fitting groove 51a inclined surface 52 fitting protrusion 53 bolt 54 nut

Claims (4)

[Claims] 1. A trolley wire unit is provided with a fitting groove that opens upward in a member mounting rail, and a fitting protrusion that fits into the fitting groove is provided in a trolley wire unit having at least one insulating trolley wire. A mounting structure for a trolley wire unit in which a bolt is screwed into a nut in a T-shaped groove of a member mounting rail through a formed through hole. 2. The member mounting rail is provided with a fitting protrusion protruding upward, and a fitting groove for fitting the fitting protrusion is formed in a trolley wire unit having at least one insulating trolley wire. A mounting structure for a trolley wire unit in which a bolt is screwed into a nut in a T-shaped groove of a member mounting rail through a formed through hole. 3. The mounting structure for a trolley wire unit according to claim 1, wherein the fitting protrusion is tapered, and the fitting groove is shaped to be fitted into the fitting protrusion. 4. The trolley wire unit includes a holder having upper and lower elastic engaging claws, and a trolley wire unit main body having at least one insulating trolley wire held by the engaging claws of the holder. The trolley wire unit mounting structure according to Item 1 or 2.