JPH069199A - Frame conveying device - Google Patents

Abstract

PURPOSE:To carry out a work to carry a frame of a lattice structure and the like to compose the rack of an automatic storehouse, and the like, to the construction site, and to stand vertical and to hold it at the installing position, simply and easily. CONSTITUTION:A holding arm member 3 to load and unload to a motor truck or a pushcart is projected to the front side, a frame holding member 4 convertible to a horizontal posture A opposing to the floor surface at the lower side of the holding arm member 3, and to a standing posture B to stand up almost vertical at the front side of the holding arm member 3, is installed to the tip of the holding arm member 3, and a driving member (such as a hydraulic motor) to rotate the frame holding means 4 around a horizontal axis 3a in the longitudinal direction passing about the central part of the frame holding means 4 is provided so as to compose this device.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a frame transfer device for transferring a lattice structure frame or the like constituting a rack of an automatic warehouse to a rack construction site.

[0002]

2. Description of the Related Art Lattice structure frames that constitute racks and the like of automated warehouses are carried one by one into a rack construction site and vertically erected at predetermined positions on the floor. However, the frames used for large automated warehouse racks are large and heavy,
Not only a great amount of labor but also a risk is involved in holding the work piece vertically into a predetermined position when the work piece is manually carried in by a worker and fixed on the floor surface by an anchor bolt. Of course, a general-purpose transport vehicle such as a forklift truck can be used for only carrying in to the site, but the work of holding vertically at a predetermined position on the site had to rely on manual work.

[0003]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and its features are shown by the reference numerals of the embodiments described later. In the forklift transfer device of the present invention, a support arm member 3 that can move up and down is projected forward on an automobile or a hand truck, and the tip of the support arm member 3 faces the floor surface below the support arm member 3. The frame holding means 4 which can be switched between a horizontal posture A in which the frame is held upright and a standing posture B which stands up substantially vertically on the front side of the support arm member 3 is attached, and the frame holding means 4 in the standing posture B is passed through substantially the center position. It is characterized in that drive means (hydraulic motor 40) for rotating the frame holding means 4 is provided around the horizontal horizontal axis 3a.

[0004]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. In FIG. 1, reference numeral 1 is a forklift truck, and a front portion thereof is extendable and retractable as is well known. A column unit 2 whose angle can be adjusted is attached to. Reference numeral 3 denotes a support arm member projecting forward from the final stage elevating member of the column unit 2. The support arm member 3 has a horizontal posture at the tip of the support arm member 3, which is below the support arm member 3 and faces the floor surface. A frame holding means 4 is attached which is switchable between A and a forward standing posture B which stands substantially vertically on the front side of the support arm member 3 as shown by an imaginary line. The support arm member 3 is forward / reverse 90 degrees around a horizontal axis 3a in the front-rear direction (which coincides with the axis of the support arm member 3) passing through the substantially central position of the frame holding means 4 in the standing posture B. It can be rotated in the range. Thus, by rotating the support arm member 3 by 90 degrees around the axis 3a in a state where the frame holding means 4 is in the horizontal posture A, the frame holding means 4 is rotated.
Can be changed to a horizontal standing posture C.

The frame holding means 4 is provided with a pair of left and right holding tools 5 and 6 and a pair of left and right holding tools 7 and 8 as shown in a lateral standing posture C. The pair of rear left and right clamps 5, 6 are attached to a fixed frame 10 pivotally supported by a support shaft 9 at the tip of the support arm member 3, and the pair of front left and right clamps 7, 8 are fixed to the fixed frame 10. The movable frame 11 is attached to the movable frame 11 which can freely move in and out, and the movable frame 11 is moved in and out of the fixed frame 10.
It is possible to change the distance in the front-rear direction between 6 and the pair of holding tools 7, 8 on the front left and right sides.

More specifically, as shown in FIGS. 2 to 4, each of the holding tools 5 to 8 is attached to a rotary support shaft 12 to 15 which is vertical when the frame holding means 4 is in a horizontal posture. Gate frames 16 to 19 and a pair of front and rear clamping pieces 20a, 20b to 23a attached to these gate frames 16 to 19,
Drive means 24 and 25, which are constituted by 23b and rotate the gate frames 16 to 19 in the forward and reverse directions, are provided. One of the driving means 24 is a lever 26, 27 attached to the rotary support shafts 12, 13 on the fixed frame 10 side, both levers 26, 27.
It is composed of a rod 28 for connecting 27 to each other in an interlocking manner, and a hydraulic cylinder 29 for driving one lever 26, and the other driving means 25 is a rotary support shaft 14, 1 on the movable frame 11 side.
5, the levers 30 and 31, both of which are attached to the lever 3,
It is composed of a rod 32 that connects 0 and 31 together and a hydraulic cylinder 33 that drives one lever 31.

Reference numeral 34 is a means for changing the distance D between the front and rear clamps, which is a screw shaft 36 rotatably supported by the movable frame 11 via a bearing 35, and this screw shaft 36 is screwed together. Female screw body 3 attached to the fixed frame 10 so as to penetrate therethrough
7 and a rotation operation handle 38 attached to the outer end of the screw shaft 36.

As shown in FIG. 3, the support arm member 3 projects horizontally in front of a hydraulic motor (forward / reverse rotation driving means) 40 attached to a final stage elevating / lowering member 39 in the column unit 2 of the forklift truck 1. Rotating drive shaft 40a
Further, the rotary drive shaft 40a is attached so that the axis thereof is the front-rear direction horizontal axis 3a. Further, the fixed frame 10 of the frame holding means 4 and the support arm member 3 are connected by a hydraulic cylinder 41 for switching the frame holding means 4 between the horizontal posture A and the standing posture B.

The frame carrying device of the present invention constructed as described above can be used as follows. That is,
As shown in FIG. 5A, the rack frame 43 is horizontally supported at an appropriate height on the floor by two appropriate mounts 42a and 42b, and the forklift truck 1 shown in FIG.
By the traveling, the frame holding means 4 in the horizontal posture A is moved to just above the rack frame 43. The contraction operation of the column unit 2 in the forklift truck 1 causes the frame holding means 4 to move in the horizontal posture A.
As it is, the pair of front and rear clamping pieces 2 of the respective clamping tools 5 to 8 are lowered.
0a, 20b to 23a, 23b are fitted to the front and rear frame members 43a, 43b of the rack frame 43. Of course,
In advance, the screw shaft 36 of the interval changing means 34 shown in FIG. 2 is rotated to move the movable frame 11 in and out of the fixed frame 10,
A rack frame 4 that handles a space D between the pair of rear left and right clamps 5, 6 and the pair of front left and right clamps 7, 8.
It is adjusted so as to match the distance between the frame members 43a and 43b before and after the No. 3 frame.

Next, the hydraulic cylinder 2 of the driving means 24, 25
By rotating the levers 26, 31 by means of 9, 33 and transmitting the movement to the other levers 27, 30 via the rods 28, 32, the gate-shaped frame 16 of each of the holding tools 5-8 is also transmitted.
.About.19 are rotated in the same direction about the rotation support shafts 12 to 15, and the sandwiching pieces 20a, 20b to 23a, 23b are twisted about the rotation support shafts 12 to 15. As a result,
As shown in FIG. 4, each of the sandwiching pieces 20a, 20b-23
a and 23b are frame members 43 before and after the rack frame 43.
The a and 43b are sandwiched separately. At this time, the horizontal support portion 20c for receiving the frame members 43a and 43b.
-23c is a holding piece 20a on one side in each holding tool 5-8.
23a to 23a.

When the rack frame 43 is clamped by the frame clamping means 4 in the horizontal posture A as described above, the frame clamping means 4 is appropriately raised by the extension operation of the column unit 2 as shown in FIG. 5A. Then, the frame holding means 4 is raised to the sideways standing posture C as it is, or as it is or by rotating the support arm member 3 by 90 degrees to the left or right around the horizontal axis 3a in the front-rear direction by the hydraulic motor 40 of FIG. Thus, the forklift truck 1 is run to the rack construction site with the rack frame 43 standing vertically.

After the rack frame 43 has been carried to the construction site, if the frame holding means 4 has not been switched to the lateral standing posture C, the frame holding means 4 is held.
After switching to the horizontal standing posture C in the above-described manner, the rack frame 43 held in the vertical posture is moved to the installation position of the frame 43 by the forklift truck 1, and by the contracting operation of the column unit 2, The rack frame 43 together with the frame holding means 4 may be lowered to a predetermined position on the floor surface, and the lower end base plate of the frame 43 may be fixed to the floor surface with anchor bolts.

Depending on the installation location of the rack frame 43, the horizontal position A in which the rack frame 43 is sandwiched is held.
After raising the frame holding means 4 of FIG. 4 to a predetermined height as shown in FIG. 4A, the frame is held against the support arm member 3 by the hydraulic cylinder 41 as shown by phantom lines in FIGS. 1 and 3 and FIG. 5B. 90 to 95 around the support shaft 9 by the holding means 4
3 is rotated upward to switch to the forward standing posture B, and further, the support arm member 3 is moved to the hydraulic motor 40 shown in FIG.
90 degrees to the left or right around the horizontal axis 3a in the front-rear direction.
The rack frame 43 clamped by the frame clamping means 4 can be switched to a forward vertical standing posture by rotating the frame frame 4 by rotating the frame frame 43. After that, the rack frame 43 together with the frame holding means 4 is lowered to a predetermined position on the floor surface as described above, and the lower end base plate of the frame 43 may be fixed to the floor surface.

Although the forklift truck 1 is used, the device of the present invention may be attached to the front portion of the hand truck to be used. Further, the structure of the frame holding means 4 is not limited to that of the above embodiment. Further, as shown in FIG.
Although it is constituted so as to be normally and reversely rotated around a, the supporting arm member 3 is fixed to the elevating member 39, and is forwardly and reversely driven around the horizontal axis 3a in the front-rear direction at the tip of the supporting arm member 3. It is also possible to support a rotating body, and to rotatably and swingably support the frame holding means 4 on this rotating body.

[0015]

As described above, according to the frame transporting apparatus of the present invention, after the horizontally mounted rack frame is clamped below the frame clamping means which is lowered in the horizontal posture, The rack frame is raised to a predetermined height together with the frame holding means, and the rack frame held by the frame holding means is lifted as it is or by rotating the frame holding means by 90 degrees around the horizontal axis in the front-rear direction. It can be carried up to the rack construction site by a car or a hand cart in a horizontal vertical standing posture. At the rack construction site, as described above, the rack frame held by the frame holding means is set in the horizontal vertical standing posture, or the frame holding means is switched to the forward standing posture with respect to the support arm member. By rotating the frame holding means by 90 degrees around the horizontal axis of the front-rear direction and in a vertical standing posture in a forward direction, the frame is moved to the frame installation position by the automobile or a hand cart and lowered to be predetermined on the floor surface. It can be held in a vertical standing position.

Therefore, by using the device of the present invention,
Even for a large and heavy rack frame, you can easily carry in the work to the construction site and hold it in the vertical standing posture at the installation position, improving work efficiency and safety. Can be planned.

In particular, as shown in the embodiment, the frame holding means is provided with at least three holding tools for holding the front and rear frame members of the rack frame, and each holding tool has the frame holding means horizontal. When a pair of front and rear sandwiching pieces attached to a rotatable portal frame is provided around a support shaft that is vertical when in an attitude, and a drive means for rotating the portal frame forward and backward is provided, The frame material before and after the rack frame can be individually clamped by the twisting operation of each pair of clamping pieces, and as in the case of simply clamping the frame material before and after the rack frame with the pair of clamping pieces, There is no risk that the clamping force will be too strong and the front and rear frame members of the rack frame will be deformed in the direction in which they approach each other, and even a frame made of aluminum or the like can be safely and reliably clamped. It can be.

In this case, when the means for changing the distance between the front and rear nips is provided, various rack frames having different front and rear frame members can be handled without any problem. .

[Brief description of drawings]

FIG. 1 is an overall side view.

FIG. 2 is a plan view showing a frame holding means.

FIG. 3 is a partially cutaway side view showing details of a main part of FIG.

FIG. 4 is a plan view of an essential part showing a state in which a frame holding means holds a rack frame.

FIG. 5 is a schematic front view illustrating a state of lifting, transporting, and installing a rack frame.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Forklift truck (automobile) 2 Stretchable column unit 3 Support arm member 4 Frame clamping means 5-8 Clamping tool 9 Support shaft 10 Fixed frame 11 Movable frame 12-15 Rotating support shaft 16-19 Gate frame 20a, 20b ... 23a, 23b Clamping piece 24, 25 Drive means 26, 27, 30, 31 Lever 28, 32 Rod 29, 33 Hydraulic cylinder 34 Interval changing means 36 Spiral shaft 39 Last stage lifting member of column unit 40 Hydraulic motor (rotational drive means) 41 hydraulic cylinder (driving means for changing posture) 43 rack frames 43a, 43b front and rear frame members A horizontal posture B forward standing posture C lateral standing posture

Claims (3)

[Claims] 1. A support arm member capable of moving up and down is projected forward from an automobile, a hand truck, etc., and a horizontal posture facing the floor surface below the support arm member and the support at the tip of the support arm member. A frame holding means that can be switched to a standing posture in which it stands up substantially vertically on the front side of the arm member is attached, and the frame holding means is provided around a horizontal axis centering in the front-rear direction passing through a substantially central position of the frame holding means in the standing posture. A frame transfer device provided with driving means for rotating. 2. The frame holding means includes at least three holding tools for holding both the front and rear frame members of the frame, and each holding tool is a support shaft that is vertical when the frame holding means is in a horizontal posture. The frame transfer device according to claim 1, further comprising a pair of front and rear sandwiching pieces attached to a rotatable gate frame, and drive means for rotating the gate frame in the forward and reverse directions. 3. The frame transfer device according to claim 2, further comprising means for changing a distance between the front-side clamping device and the rear-side clamping device.