JPS5833143B2 - Hanger hanging device for double-acting trolley conveyor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a hanging device for a hanger connected between a trolley and a hanger in a double-acting trolley conveyor.

Conventionally, this type of equipment has a secondary free line rail on both the left and right sides of the main free line rail directly below the power line rail.
Free Toro IJTM and TS are equipped with line rails and are suspended from these free line rails, and are equipped with a loader for loading objects to be transported via a hanging device. There is.

However, in this conventional double-acting trolley conveyor, as shown in FIG.
will be displaced from the right side secondary free trolley, so the secondary free trolley TS that runs on secondary free line rail C with free line rails A and B as reference
It was necessary to graphically determine the travel trajectory of the rail and create a free line rail with complex curves such as the curve C' shown by the two-dot chain line in Figure 1.

However, even though bending the rail in this way requires quite advanced technology and a lot of effort, there are problems such as the difficulty of making an accurate bend.

This invention was made in view of the above-mentioned circumstances, and it makes the curvature of the free line rail constant or extremely simple, absorbs the deviation of the free trolley applied to the curved part by the hanging device, The purpose is to allow the vehicle to travel smoothly around curves.

Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.

In this specification, the terms "front" and "rear" refer to the traveling direction of the conveyed object, and therefore, the left side in FIG. 2 is referred to as the front, and the right side in FIG. 2 is referred to as the rear.

1 is the power line rail, 2 is the power trolley,
It is movably mounted on the rail 1 via rollers.

3 is a driving chain suspended from the power trolley 2, 4 is a main free line rail made up of a pair of opposing steel members with a U-shaped cross section, and 5.6 is the left side of the main free line rail 4. Sub-free line rails are arranged on both right sides, and these free line rails 4, 5, 6 are connected to the power line rail 1 by holding frames 7, 8 arranged at predetermined intervals. There is.

The secondary free line rails 5 and 6 are located below the main free line rail 4 on a downhill slope (see Figure 8), and conversely are located below the main free line rail 4 on an uphill slope. is arranged so that the conveyed object X is always maintained in a horizontal state (see FIG. 9).

9 is a carrier suspended from the main free line rail 4, which carries the main free trolley 10 at the front, the intermediate free trolley 11 at the rear, and the main/intermediate free trolley IJ.
10 and a connecting rod 12 that connects 11.

13 and 14 are sub-free trolleys suspended from the sub-free line rails 5 and 6; 15 is a front suspension device attached to the intermediate free trolley 10; and 16 and 17 are sub-free trolleys 13. .14 rear hanging device,
18 is a hanger hanging frame suspended by these three hanging devices 15-17.

The front hanging device 15 consists of a connecting member 19 fixed on a hanger hanging frame 18 and a hanging shaft 20 rotatably attached to the upper part of the connecting member 19, and the upper end of the hanging shaft 20 has an intermediate free It is swingably attached to the lower part of the trolley 10 by a horizontal pin 21 in a direction perpendicular to the main free line rail 4.

As shown in FIGS. 4 and 5, the left rear suspension device 16 is attached to the lower part of the secondary free trolley 13 by a horizontal pin 22 in a direction perpendicular to the secondary free line rail 5. A hanging shaft 23 that is swingably mounted; a boss 26 that is received by a stopper 24 fixed to the lower end of the hanging shaft 23 and rotatably fitted through a bushing 25; A connecting member 2 in which the boss 26 is fitted and fixed at the upper end and the lower end is fixed on the hanger hanging frame 18.
It consists of 7.

Further, the right rear suspension device 17 is swung back and forth by a horizontal pin 28 at the bottom of the sub-free trolley 14 in a direction perpendicular to its rail 6, as shown in FIGS. 6 and 7. A hanging shaft 29 that can be mounted, a boss 32 that is received by a stopper 30 fixed to the lower end of the hanging shaft 29 and rotatably fitted through a bush 30, and A connecting member 35 is fitted on the upper end and is connected to a bracket 33 whose lower end is fixed on the hanger hanging frame 18 by a horizontal pin 34 having an axis in the left-right direction so as to be swingable in the front-back direction. ing.

The boss 32 has a shaft portion 36 on both sides in the left and right directions.
37 is provided protrudingly, and both shaft portions 36 and 37 are connected to the connecting member 35.
A hole 40 provided at the upper end of the left and right side plates 3B and 39
．． 41 so as to be rotatable.

Among them, the connecting member 35 is connected to the left and right side plates 38 and 39.
, a groove-shaped spacing member 42 whose one end surface is fixed to the inside of the left side plate 38, and a tightening pole connecting the both side plates 3B and 39) 4
It consists of 3,44.

On the lower left side of the hanger hanging frame 18, there is a platen (front and back) 4
5 and 46 are provided protrudingly from the upper frame 4 of the hanger 47.
Brackets 49 and 50 fixed on the platen 8 are connected to the platens 45 and 46 by horizontal pins 51 and 52 in the front and rear direction.

At the center of the twisted hanger hanging frame 18 in the left and right direction, front and rear hanging hooks 53 and 54 are pivoted by horizontal pins 55 and 56 having axes in the left and right directions, and at the lower ends of these hooks 53 and 54, Horizontal hinges 57, 5B, which are fixed to the front and back of the center of the Noonga upper frame 48 and have axes in the left and right direction, are hooked thereon.

The hanging hooks 53 and 54 are attached facing in opposite directions and are connected by an interlocking link 59 so as to rotate in opposite directions.

The free line rails 5 and 6 have an arcuate shape having the same center of curvature as the main free line rail 4 at the right or left curved portion.

Next, the operation of the hanging device according to the present invention will be explained.

In the above, the carrier 9 is moved together with the drive chino 3 in the direction of the arrow in the figure by engaging the button 61 with the front tilting dog 60 of the main free trolley 10.

Although not shown, a large number of carriers follow this at predetermined intervals in the same way.

The distance between them is determined by the distance between the buttons 61 arranged on the drive chino 3.

The carrier 9 is stopped or advanced by a pusher that controls the operation of the pusher 61.

The stopper may be of any type as long as it lifts the button 61 from the front tilting dock 60 of the main free trolley 10, releases the lock, and maintains the raised position.

When the carrier 9 moves along the curved portion of the free line rails 4 to 6, for example, each free trolley 11, 13, 14 moves from TM2°TS2, TSo in FIG.
Suppose it is in

At this time, hanging shafts 21.degree. 23.29 suspended from each trolley 11.13, 14 are rotatably attached to connecting members 19, 27, 35.

So, for each trolley 11°13.14 hanger hanging frame 1
8 can be arbitrarily changed, and the connecting member 35 of the right rear suspension device 17 can be swung around the left and right horizontal pins 34 and the shafts 36, 37 of the boss 32, so that the shafts 36. The center of 37 is located at TSo, and the horizontal pin 34 is located at TSo.
S2, and enters the state shown by the two-dot chain line 35A in FIG.

Therefore, T.S. The displacement of TS2 is absorbed by the connecting member 35, and each trolley IJII, 13, 14 is allowed to move smoothly.

At this time, the rear right side of the hanging frame 18 is slightly lifted, but the transported object X is transported with almost no tilting.

As described above, this invention provides power line rail 1
The main free line rail 4 directly below, the sub free line rails 5 and 6 arranged on both the left and right sides of the main free line rail 4, and the main free trolley 10 suspended from the main free line rail 4. and intermediate free trolley 11, and secondary free trolley IJ suspended from secondary free line rail 5.6.
13, 14 and these free trolleys 11.13
, 14 via hanging devices 15, 16, 17, and a hanger 47 suspended from the hanging frame 18. A boss 32 having shaft portions 36 and 37 protruding from both left and right sides is rotatably fitted to the lower end of the hanging shaft 29 which is pivotally connected by a horizontal pin 28 in a direction perpendicular to the rail 6. The shaft portions 36 and 37 of the boss 32 are connected to the bracket 33 fixed to the hanging frame 18 by a horizontal pin 34 having ring edges in the left and right directions.
The hanging device 16 on the left side has a hanging shaft 23 pivotally connected to the sub-free trolley 13 by a horizontal pin 22 perpendicular to the rail 5, and the lower end of the hanging device 16 is attached to the hanger. Since it is rotatably fitted to the upper end of the connecting member 27 fixed to the frame 18, even if the free line rails 4 to 6 are placed in the curved part, they will not form an arc with the same center of curvature. The rail bending work is easy, the assembly is simple, and the transported object X can be transported smoothly and safely in a horizontal state with almost no tilting.

[Brief explanation of drawings]

Figure 1 is a schematic plan view for explaining the running condition of a conventional double-acting trolley conveyor over a curved section, and Figures 2-
Fig. 9 shows an embodiment of the present invention, Fig. 2 is a left side view, Fig. 3 is a front view, Fig. 4 is a detailed enlarged view of the Figure 6 is a detailed enlarged view of part ■ in Figure 3, Figure 7 is a cross-sectional view taken along line ■-■ in Figure 6, and Figure 8 is a downward slope section. FIG. 9 is a left side view showing the arrangement of free line rails on an uphill slope. 1...Power line rail, 4...
・Main free line rail, 5, 6... Sub-free line rail, 9... Carrier, 10
...Main free trolley, 11...Intermediate free trolley, 13゜14...Sub-free trolley, 15,16,17...Hanging device, 18
...... Ngar hanging frame, 22°28.34...
...Horizontal pin, 23.29...Hanging shaft, 2
7, 35... Connection member, 32... Boss, 33... Bracket, 36, 37...
- Shaft, 47...Hanger.

Claims (1)

[Claims] 1 The main free line rail 4 directly below the power line rail 1 and the secondary free line rails arranged on both the left and right sides of the main free line rail 4.
Line rails 5, 6 and main free line rail 4
The main free trolley 10 button and the intermediate free trolley 11 suspended from the main free trolley 10 and the intermediate free trolley 11, the secondary free trolleys 13 and 14 suspended from the secondary free line rails 5 and 6, and these free trolleys 11.13 , 14 with hanging devices 15, 16
The suspension device 17 is made up of a suspension frame 18 suspended through a suspension frame 17 and a suspension frame 47 suspended from the suspension frame 18, and is attached to the sub-free trolley 14 on the right side. At the lower end of a hanging shaft 29 which is pivotally connected to the sub-free trolley 14 by a horizontal pin 28 in a direction perpendicular to the rail 6, shaft portions 36 and 37 are provided protruding from both left and right sides thereof. A boss 32 is rotatably fitted, and this boss 3
The shaft portions 36 and 37 of 2 are fitted onto the upper end of a connecting member 35 that is connected to the bracket 33 fixed to the hanging frame 18 by a horizontal pin 34 having an axis in the left and right directions.
Further, the left hanging device 16 is connected to the sub-free trolley 13 by means of a horizontal pin 22 in a direction perpendicular to the rail 5, and the lower end of a hanging shaft 23 is fixed onto the hanger hanging frame 18. A hanging device that can be attached to a double-acting trolley conveyor that is rotatably fitted to the upper end of a member 27.