JPH11124209A - Connecting structure of goods loading member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify a configuration of a bracket and to provide a connection structure of a goods loading member where the bracket is held to a column in connection fixation condition. SOLUTION: The connection structure of a goods loading member comprises a bracket 15 connected to the goods loading member, a connection pin 18 is inserted through mounting holes 21a, 21b provided at a column 6 holding the goods loading member and is inserted through mounting holes 19, 20 provided at the bracket 15, thereby the bracket 15 is connected and fixed to the column 6. The bracket 15 has a front plate 16 attached to a front surface of the column 6 and has a side plate 17 attached to a side surface, which is a goods existing side, of the column, thereby the bracket 15 is formed in a L-shaped cross-sectional configuration. The mounting holes 21a, 21b of the column 6 through which the connection pin 18 are inserted are provided at the front surface of the column and the side surface, which is the goods existing side, of the column 6. The mounting holes 19, 20 of the bracket 15 through which the connection pin 18 are inserted are provided at the front plate 16 and the horizontal plate 17.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an article placing member for placing an article, a tubular support for holding the article placing member, and connected to the article placing member. A bracket for mounting an article, wherein a connecting pin is inserted through a mounting hole provided in the support and a mounting hole provided in the bracket to connect and fix the article mounting member to the support via the bracket. The present invention relates to a member connecting structure.

[0002]

2. Description of the Related Art Such a connection structure is used, for example, when connecting a brace beam as an article mounting member between columns in an article storage shelf of an automatic warehouse.
Conventionally, those shown in FIGS. 6 and 7 are known. In the illustrated conventional structure, a bracket 15A is connected to an article mounting arm beam 9 via an arm 14, and the bracket 15A is bent and formed by a metal plate-shaped body. Front plate 16A to be applied to the front surface of the strut 6, the horizontal plate 17A to be applied to the lateral side, and
An inner plate 17 </ b> B is provided integrally with the inner surface of the concave groove 12 along the longitudinal direction of the support column 6.

A notch 19A for engaging with the connecting pin 18A is formed in the horizontal plate 17A, and a pin hole 20A for inserting the connecting pin 18A is formed in the front plate 16A. That is, the notch 19A and the pin hole 20A are
Acting as a mounting hole on the A side, the head 22A side of the connecting pin 18A is engaged with the notch 19A, and the connecting pin extends over the mounting pin hole 21 formed in the support post 6 and the pin hole 20A of the front plate 16A. 18A, a nut 24A is screwed and fixed to a male screw at the tip thereof, and a front plate 16A is provided on the front surface of the support post 6, a horizontal plate 17A is provided on the side surface, and an inner plate is provided on the inner surface of the recessed groove 12. 17B so that the bracket 15
A was configured to be connected and fixed to the column 6.

[0004]

However, as shown in FIG. 7, in a state where the bracket 15A is fixedly connected to the support 6, the front plate 16A is attached to the front of the support 6 by the front plate 16A.
Is fixed by contacting the front surface of the support column 6. On the lateral side surface of the support column 6, the horizontal plate 17 </ b> A does not contact the side surface of the support column 6,
There is a possibility that a slight gap may occur between the horizontal plate 17A and the lateral side surface of the column 6, and the bracket 15A may be loose. Therefore, the inner plate 17B is provided on the bracket 15A,
The inner plate 17B is applied to the inner surface of the recessed groove 12 of the column 6, but not only the column 6 needs to be provided with the recessed groove 12, but also the notch 19 of the horizontal plate 17A.
Since the connecting pin 18A engaging with A penetrates the pin hole 21 formed in the rear surface of the column 6, there is a problem that rattling occurs between the column 6 and the bracket 15A.

The present invention has been made in view of such a point, and an object of the present invention is to make the shape of the bracket not particularly complicated, and to make the support column not necessarily require the concave groove. It is an object of the present invention to provide a connection structure of an article mounting member that enables a bracket to be firmly connected and fixed to a support.

[0006]

According to the first aspect of the present invention, a bracket connected to a member for mounting an article is provided on a column for holding the member for mounting an article. An L-shaped cross section including a front plate to be applied to the front surface and a horizontal plate to be applied to the side surface on the side where the article exists is provided. Mounting holes on the bracket side are provided on the side surface on the existence side and through which the connecting pins are inserted, and are provided on the front plate and the horizontal plate of the bracket. Therefore,
The shape of the bracket is not particularly complicated, and there is no need to provide a recessed groove in the column, and the connecting pin is inserted into the mounting hole provided in the column and the bracket to connect and fix the bracket to the column. By doing so, the front plate and the horizontal plate of the bracket are attracted to each other by elastic deformation. The bracket comes into contact with the side surface and is connected and fixed to the column. In other words, the bracket is securely connected to and fixed to the column by securely contacting the front surface of the column and the side surface on the side where the article is present, so that the bracket can be firmly connected and fixed to the column.

According to the second aspect of the present invention, the connecting pin is formed by a bolt having a head at one end and a screw portion at the other end with which a nut member is screwed. The structure does not require pins, and the bolts are bent on the head side to prevent the connecting pins from falling off and to easily connect the connecting pins by screwing the nut member to the thread at the other end. It becomes possible to attach to.

According to the third aspect of the present invention, a part of the front plate of the bracket is bent so as to protrude in a direction away from the front surface of the column, and the protruding bent portion forms a seat for the nut. As a result, the nut member can be screwed together without requiring a specially shaped washer. Further, when the nut member is screwed, the projecting bent portion of the bracket is elastically deformed, so that the nut member can be prevented from being loosened by a reaction force due to the elastic deformation.

According to the fourth aspect of the present invention, the mounting hole on the bracket side is provided in the upper part of the front plate and the horizontal plate of the bracket, and the article placing member is formed on the horizontal plate of the bracket. Connected to the bottom. Therefore, when an article is placed on the article placing member, the article is moved by the connecting pin at the upper part of the horizontal plate and the lower part of the horizontal plate at the lower part of the horizontal plate in the direction of contact with the column side. Even when an article is placed on the placing member, the bracket can be reliably held in a state of being connected and fixed to the column.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment in which a connecting structure of an article placing member according to the present invention is applied to an article storage shelf of an automatic warehouse. Such an automated warehouse,
As shown in FIG. 1, a plurality of article storage shelves 1 are arranged with their fronts facing each other.
A stacker crane 2 that can move along the frontage of the article storage shelf 1 is provided therebetween. The stacker crane 2 is provided with an elevating platform 3 which can be moved up and down, and the elevating platform 3 is provided with a fork 4 which can move out and up. By lifting and lowering and withdrawal operation of the fork 4, various articles A can be transported between the article storage sections of the article storage shelf 1 and the load transfer section 5 while being placed on the pallet P. ing.

As shown in FIG. 2, each of the article storage shelves 1 has a plurality of long columns 6 standing upright and rivets, bolts, nuts and the like extending between the plurality of columns 6. It is framed by a plurality of horizontal beams 7 (see FIG. 1) and diagonal beams 8 which are connected and fixed by a connecting tool, and the whole is configured as an assembling truss structure by pin bonding. In each of the article storage sections of the article storage shelf 1, a pair of arm beams 9 as an article mounting member are provided on the left and right as viewed from the frontage, and a pallet P is mounted on the pair of left and right arm beams 9. Thereby, the articles A on the pallet P can be stored and stored in multiple rows in the vertical direction and in a plurality of rows in the horizontal direction.

As shown in FIGS. 3 and 4, each of the columns 6 is formed in a convexly closed cylindrical shape having a pair of protruding sides 10 that are parallel to each other in cross section. A pair of pillars 6 located at the front and rear as viewed from the frontage of the article storage shelf 1
Are erected by anchor bolts using a base plate 13 welded to the lower end of each support column 6, and arm members 14 are fixed to the front and rear ends of each arm beam 9 by welding, respectively. Are connected and fixed to the column 6 via the bracket 15, whereby the respective arm beams 9 are arranged and fixed at equal intervals along the longitudinal direction of the column 6.

The arm beam 9 and the arm 14 are each formed of a channel-shaped mold steel and fixed by welding, and the bracket 15 is fixed to the both arms 14 by welding. The bracket 15 is fixed to the arm 14 in front of the frontage and the one fixed to the rear arm 14 so that the direction in which the bracket 15 is connected and fixed to the column 6 is reversed.
Although the direction fixed to the support 4 is opposite to the direction fixed to the support 6 in the left and right directions, since all of them have the same structure, the one fixed to the arm 14 in front of the frontage will be described. A front plate 16 that is bent so as to have an L-shaped surface and is applied integrally to a front surface of the upright supporting column 6 and a horizontal plate 17 that is applied to a lateral side surface on the existing side of the article A, is integrally provided. The arm 14 is connected to the lower end of the horizontal plate 17 by welding.

A bracket mounting hole 19 is formed in the horizontal plate 17 of the bracket 15 so as to engage with a connecting pin 18 for mounting the bracket.
Is bent so that a part thereof protrudes in a direction away from the front surface of the column 6, and the protruding bent portion 16 a has a pin hole 20 as an attachment hole for inserting the connecting pin 18.
Are drilled.

An elliptical pin hole 21a is formed in the front surface of the column 6 as a mounting hole on the column side through which the connecting pin 18 is inserted.
A circular pin hole 21b is formed as a mounting hole on the side of the column through which the column 8 is inserted, and both pin holes 21a and 21b are
Are provided at equal intervals along the longitudinal direction. Rows of such a plurality of pin holes 21a are provided on both ends of the front surface of the column 6, and rows of a plurality of pin holes 21b are provided on both lateral side surfaces of the column 6. However, as for the column 6 standing upright at the end in the direction along the frontage of the article storage shelf 1, a row of the plurality of pin holes 21a is provided only on the end side of the front side of the column 6 on the article existing side.
A row of a plurality of pin holes 21b is arranged only on the side surface on the article existence side. In addition, a mounting hole 10 a for mounting the oblique beam 8 is provided on the protruding side 10 of the column 6. The connecting pin 18 has a circular head 22 on one end side,
The vicinity of the head 22 is bent, and the bent portion 1 on the head 22 side
8a and a straight portion 18b, and a screw portion 23 into which the nut member 24 is screwed to the tip on the side of the straight portion 18b.
It is composed of bolts with.

In order to connect and fix each arm beam 9 between the front and rear struts 6 using the bracket 15 and the connecting pin 18, the brackets 15 fixed to the both arms 14 are respectively arranged along the struts 6, and The bracket mounting hole 19 is formed in the pin hole 21b on the side of the column 6 on the side where the article is present.
One of the methods is to match the pin hole 20 of the front plate 16 with one of the pin holes 21a on the front surface of the column 6. And the connecting pin 1
8 with the head 22 facing the arm 14 side.
8 is inserted from the mounting hole 19 for the bracket,
The linear portion 18b is inserted through the pin hole 21a on the front surface of the front plate 16 and the pin hole 20 of the front plate 16, and the nut member 24 is screwed into the screw portion 23 at the tip of the linear portion 18b of the connecting pin 18, and the bracket 6 is attached to each of the columns 6. 15 keeps the connected and fixed state.

That is, when the nut member 24 is screwed into the screw portion 23, the front plate 16 of the bracket 15 comes into contact with the front surface of the column 6, and the horizontal plate 17 of the bracket 15 becomes the side surface of the column 6. , So that a state in which the bracket 15 is connected and fixed to each of the columns 6 is maintained. When the nut member 24 is screwed into the screw portion 23, the protruding bent portion 16a of the front plate 16 is elastically deformed, so that the nut member 24 is not loosened by the reaction force due to the elastic deformation. In this manner, the bracket 15 is connected and fixed to each support 6, and the arm beam 9 is connected and fixed to each support 6 via the bracket 15, and the pallet P is placed between the pair of left and right arm beams 9.

[Other Embodiments] (1) In the above embodiment, the protruding bent portion 16a of the front plate 16 is used.
Are formed in the seat for the nut member 24, but without forming the protruding bent portion 16a on the front plate 16 as shown in FIG.
A washer 25 having a matching shape may be used. In addition, even when the protruding bent portion 16a is formed on the front plate 16, a washer having a matching shape may be used.

(2) In the above embodiment, the cross-section of the column 6 is formed in a convexly closed cylindrical shape having a pair of protruding sides 10 parallel to each other on one surface, as shown in FIG. As described above, a portion between the pair of protruding sides 10 may be formed in an opening groove along the longitudinal direction. Also, the bracket 15 has a complete L-shaped cross section as in the above embodiment.
A bent portion 15a in which the end of the horizontal plate 17 is bent toward the rear surface of the column 6 as shown by an imaginary line in FIG.
And a shape including such a bent portion 15a is referred to as an L-shaped cross section.

(3) In the above embodiment, the connecting pin 18 is provided with the screw portion 23 to which the nut member 24 is screwed at the end on the side of the linear portion 18b.
A concave groove may be provided at the end on the side of the linear portion 18b, and a snap ring may be fitted into the concave groove. That is, a snap ring may be fitted into the concave groove at the end of the connecting pin 18 on the side of the linear portion 18b to connect the connecting pin 18 to the column 6.

(4) In the above embodiment, each arm beam 9
The arms 14 are fixed to the ends of the arms by welding, but the arms 14 may be connected and fixed to the ends of the beams 9 by bolts or the like.

(5) In the above embodiment, the arm beam 9 is connected and fixed to the pair of columns 6 located forward and backward as viewed from the frontage. A beam as an article mounting member may be connected and fixed to the support 6. In this case, a pair of beams are disposed in front and back as viewed from the frontage, and the pallet P is placed on the pair of front and rear beams.

[Brief description of the drawings]

FIG. 1 is a perspective view of an automatic warehouse.

FIG. 2 is a perspective view of an article storage shelf.

FIG. 3 is a perspective view showing a connection structure of an article placing member.

FIG. 4 is a cross-sectional view showing a connection structure of the article placing member.

FIG. 5 is a cross-sectional view showing a connection structure according to another embodiment.

FIG. 6 is a perspective view showing a conventional connection structure.

FIG. 7 is a cross-sectional view showing a conventional connection structure.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 6 Prop 9 Member for article placement 15 Bracket 16 Front plate 16a Projected bent portion of front plate 17 Horizontal plate 18 Connecting pin 19 Mounting hole of front plate on bracket side 20 Mounting hole of horizontal plate on bracket side 21a Front side on support side Mounting holes 21b mounting holes on the side of the article present side on the support column 22 heads of the connecting pins 23 screw portions of the transfer pins A articles

Claims (4)

[Claims] An article mounting member for mounting an article, a tubular support for holding the article mounting member, and a bracket connected to the article mounting member, A connection structure of an article placing member, wherein a connecting pin is inserted through a mounting hole provided in a support and a mounting hole provided in the bracket, and the article placing member is connected and fixed to the support via the bracket. The bracket is formed in a cross-sectional L-shape including a front plate abutting on the front surface of the support and a horizontal plate abutting on the side surface on the side where the article is present. A mounting hole is provided on the front surface of the support and on the side surface on the side of the article, and mounting holes on the bracket side for inserting the connecting pins are provided on the front plate and the horizontal plate of the bracket. A series of mounting members Structure. 2. The connecting pin comprises a bolt having a head at one end and a screw portion at the other end with which a nut member is screwed, and the head of the bolt is bent. 2. The connection structure of the article mounting member according to 1. 3. A part of a front plate of the bracket is bent so as to protrude in a direction away from a front surface of the column,
3. The connection structure of an article mounting member according to claim 2, wherein the protruding bent portion forms a seat for the nut. 4. A mounting hole on the bracket side is provided at an upper portion of a front plate and a horizontal plate of the bracket, and the article placing member is connected to a lower portion of the horizontal plate of the bracket. The connecting structure of the article mounting member according to claim 1.