JP2712977B2 - Elevating carriage support column installation 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 lifting / lowering device generally called a drop lifter or a table lifter.
That is, an elevating / lowering device used for lifting / lowering a transport means such as a transport train from one side to the other of a traveling path of a different level, or for loading / unloading an object to be transported. The present invention relates to an installation device for a carriage guide column.

[0002]

2. Description of the Related Art The lifting carriage guide column of this type of lifting and conveying apparatus must be erected with sufficient positional accuracy on a substrate fixed on a floor surface with a hole-in anchor or the like. In particular, when two pillars are erected on the substrate and one lifting carriage is guided by these two pillars, unless the accuracy of the relative positional relationship between the two pillars is sufficiently increased, Although it is not possible to guide one lifting carriage up and down smoothly and smoothly, it is difficult to increase the installation accuracy of the lifting carriage guide column with the conventional lifting transport device, and it takes a lot of time and labor to install. Was required.

[0003]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and its features are indicated by reference numerals in the embodiments described later. In the apparatus for mounting a column for guiding a lifting carriage according to the present invention, a column supporting plate 31 is provided so that lifting guide shafts 39 and 40 protrude from the substrate 2 and are fitted to the lifting guide shafts 39 and 40 so as to be able to move up and down.
Is supported by a plurality of height adjusting bolts 43 and nuts 44 projecting from the substrate 2, and the column support plate 3
At least two centering pins 33 are protruded from the upper surface of the column 1, and the centering pins 3 are provided on the bottom surfaces of the lifting guide columns 3 and 4 mounted and fixed on the column support plate 31.
3 is characterized in that a centering pin hole 24 is provided for each fitting.

[0004]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. The ascending / descending transporting device shown in FIG. 1 comprises transport guide rails 1a and 1b which are installed at a high level and a low level. Used to transfer a transfer train (not shown) between the transfer guide rail 1c and the transfer guide rail 1c.
The books 3 and 4, one lifting carriage 5 that can move up and down along the both supports 3 and 4, a counterweight 6 that can move up and down between the two supports 3 and 4, and the lifting carriage 5 and the counterweight 6 and a lifting drive means 7 for raising and lowering in conjunction with each other in opposite directions.

The lifting carriage 5 has a frame 8 long in a direction parallel to the transport guide rails 1a and 1b.
Is mounted via an arm 9 projecting from the lifting carriage 5 in a cantilever manner, and a lower level of the guide rails 1a, 1b is provided below the frame 9 when the lifting carriage 5 is at the upper limit position. And the lowering carriage 5 is lowered to a predetermined level, so that the guide rail 10 connected to the lower-level transport guide rail 1c is attached. Ascending and descending can be carried up and down to a predetermined transfer level.

The elevating drive means 7 rotates an elevating drive chain 11 for suspending the elevating carriage 5 (specifically, the frame 8) and the counterweight 6 in a fishing bottle manner, and rotates a driving tooth wheel meshing with the chain 11. And a motor 12 with a speed reducer for driving the motor. The pillar 3,
4, a support 13 on which the motor 12 is mounted and which supports the driving tooth wheel is mounted and fixed. Further, a chain guide frame 14 extends from the support 13 to a position directly above the frame 8. Are protruded in a cantilever shape. 15a,
Numeral 15b is a beam material erected on the ceiling side to support the transport guide rails 1a and 1b, and when the lifting carriage 5 is raised to a lifting limit position, both ends in the length direction of the frame 8 Abuts on stopper portions 16a, 16b provided at the tips of the beam members 15a, 15b upward.

The two pillars 3 and 4 have the same structure of an aluminum integrally molded product, and as shown in FIG. 2, small width groove rail portions 17 and 18 are provided at central positions at both ends in the long side direction.
However, at the center position of one end in the short side direction, a large groove rail portion 19 is provided.
And a protruding rail 2 at the center of the other end in the short side direction.
0 are formed continuously in the length direction, and a pair of left and right member mounting recesses continuous in the length direction are provided at a total of six places on both the left and right sides at both ends in the long side direction and both ends in the short side direction. Groove 2
1a to 21f are formed by ridges 22 each having an L-shaped cross section and integrally protruding from the pillar surface. In addition, a pair of left and right member mounting concave grooves 21a, 21b at both ends in the long side direction.
Are distributed on the left and right sides of the narrow groove rail portions 17 and 18.

The columns 3 and 4 are formed in a hollow shape for weight reduction and material saving. However, as shown in the drawing, a reinforcing inner wall portion 23 for dividing an internal space into a plurality of sections is integrally formed. Further, two centers adjacent to the insides of the narrow groove rails 17 and 18 on the central axis in the long side direction are provided with centering holes which penetrate in the column length direction and have a perfect circular cross section continuous in the length direction. A pin hole 24 is formed.

As shown in FIG. 3, two pillars 3 and 4 constructed as described above are erected in parallel so that the protruding rails 20 face each other on the inner side. Guide rollers 25, 26 for positioning in the front-rear direction, which are respectively fitted to the large-width concave groove rail portions 19 located outside the both columns 3, 4, and small-width concave grooves located on the front side of the both columns 3, 4. Rails 17, 18 (Because there is no top and bottom on the support, the same narrow groove rail 17 or 1
8 can also be used), and guide rollers 27 and 28 for positioning in the left and right directions, which are respectively fitted, are supported by shafts. Further, the counter weights 6 disposed between the two columns 3 and 4 are provided with the two columns. Elevating grooved guide rollers 29 fitted to the protruding rail portions 20 located inside the
30 is supported. Of course, each of these guide rollers 2
5 to 30 are a lifting carriage 5 and a counter weight 6
So that the vertical carriage 5 and the counterweight 6 can be held in a vertical position.
It is pivotally supported at the place. As for the counterweight 6, if there is no particular problem, the guide roller 29 with the groove for ascending and descending only at one of the upper and lower ends or only at the intermediate height.
30 may be supported.

FIG. 4 shows an installation structure of the above-mentioned columns 3 and 4.
Referring to FIG. 6, a column support plate 31 is fixed to the lower ends of the columns 3 and 4.
As shown in FIG. 6B, two centering pin holes 32 having the same diameter are drilled at two positions corresponding to the two centering pin holes 24 opened at the lower end surfaces of the columns 3 and 4, respectively. Board 3
The centering pins 3 extend over the two centering pin holes 32 on one side and the two centering pin holes 24 of the columns 3 and 4, respectively.
3 are tightly fitted, and the relative positions of the support plates 31 and the columns 3 and 4 are regulated. In this state, the lower end peripheral portions of the columns 3 and 4 and the support plate 31 are fixed by the angle members 34 arranged one for each side of the column. Each of the angle members 34 has a horizontal plate portion 34 a having a bolt nut 35.
Is fixed to the support plate 31 by the
4b is a concave groove 21a for attaching members of each of the columns 3 and 4;
It is fastened with a bolt 37 to the tap plate 36 fitted to 21f.

A flange 33a is integrally formed at the center of the centering pin 33 in the longitudinal direction, so that the periphery of the opening end of each of the centering pin holes 24 and 32 is formed by the flange 33a.
By spotting at approximately half the depth of a, the centering pin 33 can be securely fitted into both of the centering pin holes 24 and 32 by an equal amount. Of course, only the periphery of one of the opening ends of the centering pin holes 24 and 32 can be spotted at a depth corresponding to the thickness of the flange 33a. Further, the centering pin 33 can be fixedly protruded from the column support plate 31 by an appropriate method.

The column support plate 31 has one through hole 3 so as to open into the large groove rail portion 19 of the column 3 or 4.
8 are provided. As shown in FIG. 6A, elevating guide shafts 39 and 40 that fit into the through holes 38 are vertically fixedly protruded from the substrate 2 at the standing positions of the columns 3 and 4, respectively. Through-holes 38 of the column support plate 31 fixed to the lower ends of the columns 3 and 4 are provided on the lifting guide shafts 39 and 40.
Are fitted to be able to move up and down, respectively. Thus, the four corners of each support plate 31 are supported on the board 2 by the height adjusting bolts and nuts 41 as shown in FIGS. 5 and 6B.

Each of the height adjusting bolts and nuts 41 is
A bolt 43 which is screwed to a fixing nut 42 fixed to the shaft, stands vertically, and penetrates a through hole provided in the column support plate 31, and is screwed to the bolt 43 to vertically move the column support plate 31. And a plurality of nuts 44 to be clamped and fixed, and by adjusting the support plate clamping height by the nuts 44, the vertical degree of the columns 3 and 4 can be finely adjusted.

The cross-sectional structure of the columns 3 and 4, the method of guiding the lifting and lowering carriage 5, the use of the lifting and lowering carriage 5, and the method of extending the chain 11 to drive the lifting and lowering carriage 5 and the counterweight 6 to move in an interlocking manner are described. The driving method and the like are not limited to the above embodiment. In addition, the two parallel support type lifting / lowering devices shown in the above-described embodiment are arranged in parallel, and two lifting / lowering carriages 5 support one guide rail or a means for supporting an object to be transported. It is also possible to configure a lifting and lowering transport device adapted to the transported object.

[0015]

According to the present invention as described above,
The lifting carriage guide column and the column support plate attached to the lower end thereof are accurately positioned with each other by fitting at least two centering pins and centering pin holes. The positioning of the column support plate with respect to the substrate fixed on the floor surface with a hole-in anchor or the like is accurately performed by an elevating guide shaft projecting from the substrate penetrating the column support plate. Accordingly, if the accuracy of the projecting position of the centering pin with respect to the support plate and the accuracy of the processing position of the hole through which the elevating guide shaft passes, and the accuracy of the projecting position of the elevating guide shaft with respect to the substrate are increased, , The positional accuracy of the lifting guide columns can be sufficiently increased.

Therefore, especially when two columns for guiding one lifting carriage are erected on one substrate with the above structure, the accuracy of the relative positional relationship between the two columns can be improved, and The lifting / lowering operation of one lifting / lowering carriage guided by the two columns can be smoothly performed.

Furthermore, fine adjustment of the height and verticality of the support
Needless to say, it can be easily performed as usual with a plurality of height adjusting bolts and nuts that support the periphery of the column support plate,
At the time of attaching the support plate to the lower end of the support, the support plate is positioned at the lower end of the support by the centering pin, so that the connection between the support support plate and the support support plate can be easily performed. Since the positioning is performed by the shaft, the operation of supporting the support plate on the substrate with the plurality of height adjusting bolts and nuts can be easily performed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of a lifting and lowering transport device.

FIG. 2 is a perspective view illustrating a cross-sectional structure of a column.

FIG. 3 is a cross-sectional plan view illustrating a relationship between a support, a lifting carriage, and a counterweight.

FIG. 4 is a cross-sectional plan view illustrating an installation structure of a support column with respect to a substrate.

FIG. 5 is a front view of the same.

FIG. 6A is an enlarged vertical sectional front view at a position of an elevating guide shaft, and FIG. 6B is an enlarged vertical sectional front view at a centering pin position.

[Explanation of symbols]

 DESCRIPTION OF REFERENCE NUMERALS 2 board 3 support 4 support 5 elevating carriage 6 counterweight 7 elevating drive means 11 elevating drive chain 21a to 21f concave groove for attaching member 31 support support plate 32 centering pin hole 33 centering pin 34 angle supporting member 36 Tap plate 39 Elevating guide shaft 40 Elevating guide shaft 41 Bolt and nut for height adjustment

Claims (3)

(57) [Claims] An elevation guide shaft protrudes from a substrate, and a plurality of height adjusting bolts and nuts projecting from the substrate protrude from a periphery of a column support plate fitted to the elevation guide shaft so as to be vertically movable. At least two centering pins are projected on the column support plate, and the centering pin is provided on the bottom surface of the lifting carriage guide column mounted and fixed on the column support plate. An ascending and descending carriage guide support installation device having a centering pin hole to be fitted with each other. 2. The apparatus according to claim 1, wherein the centering pin has a lower end fitted into a centering pin hole provided in a column support plate. 3. The apparatus according to claim 1, wherein two pillars for guiding one lifting carriage are erected on the one substrate with the same structure.