JPH0597380A - Hanger opening/closing device for transport device - Google Patents

Abstract

PURPOSE:To apply the equal lateral shift stroke to those of the left and right slidable bodies in pair on the large width part side of a suspending device, onto a pair of slidable bodies on the small width part side of the suspending device, by installing a lateral shift driving means for approach/separation-shifting the left and right slidable bodies in pair engaged with a guide rail. CONSTITUTION:The left and right slidable bodies 30 and 31 in pair can be approached or separated along a guide rail 29 by driving a endless belt 35 in the normal or reverse direction by a motor 36. Each one edge part 21c, 22c of the left and right transported article supporting tools 21 and 22 in pair can be approached and separated by the approach/separation-shift of the left and right slidable bodies 30 and 31 in pair. At this time, the other edges 21b and 22b of the transported article supporting bodies 21 and 22 are approach/ separation-shifted, guided by guide rails 23 and 24 through brackets 27 and 28 and slidable bodies 25 and 26. Accordingly, a transported article W can be suspended or lowered by the left and right transported article supporting tools 21 and 22 in pair.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transportation device in which a hanger for suspending an object to be lifted from a transportation train is provided with a hanger for suspending an object to be transported. The present invention relates to an opening / closing device for the hanger of the carrying device, the planar shape of which is convex in the front-rear direction.

[0002]

2. Description of the Related Art As described above, the plane shape of the suspension device is formed in a convex shape in the front-rear direction so that at least the upper half portion of the suspension device when the suspension device is lifted to the upper limit position. When it is configured to fit inside the transportation train, it is possible to use the spaces on the left and right sides of the narrow width part of this suspension device to install the control panel and relay panel in the transportation train. It is possible to reduce the vertical height and horizontal width of the entire transport device when the suspension device is lifted to the upper limit position. When providing a hanger with a freely supported object support,
The conventional device cannot be used as it is as an opening / closing device for the hanger.

That is, in the conventional hanger opening / closing device of this type, horizontal and horizontal guide rails are installed at both front and rear ends of the suspension device, and a pair of left and right sliding members engaged with one guide rail are provided with a pair of left and right sliding members. One end of the transported object support tool is connected to each other, and the other end of the transported object support tool is connected to each of the pair of left and right sliding bodies engaged with the other guide rail, and is engaged with one guide rail. A lateral drive means for moving the pair of left and right sliding bodies toward and away from each other is provided.
The pair of front and rear guide rails having the same length are used, and by laterally moving each sliding body within a half area of each guide rail, the transported object support tool is laterally moved by a required stroke. The hanger can be opened and closed.

Therefore, if the suspension device is formed in a convex shape in the front-rear direction as described above, a guide rail of a required length can be installed on the large width side, but on the small width side. Since the guide rails installed are short, the lateral movement stroke required for the pair of left and right sliding bodies cannot be provided.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and its features will be shown by the reference numerals of the embodiments described later. In the hanger opening / closing device for a carrying device of the present invention, one end of a pair of left and right object-to-be-conveyed supports 21 and 22 of the hanger is provided laterally in the lateral direction on the large width portion 5b side of the hanging device 5 having a convex planar shape. The pair of left and right sliding bodies 30 and 31 engaged with the one guide rail 29 are respectively connected to the transported object support tool 21,
The other end of 22 is connected to a pair of slide bodies 25 and 26 respectively engaged with a pair of front and rear guide rails 23 and 24 which are horizontally installed on the narrow width portion 5a side of the suspension device 5 respectively. ,
A lateral drive means 32 for moving the pair of left and right sliding bodies 30, 31 engaged with the one guide rail 29 toward and away from each other.
It is characterized by the provision of.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. In FIGS. 1 and 2, reference numeral 1 is a transportation train, a guide rail 2 is provided with a drive trolley 3 and a driven trolley 4. It is provided with a suspension device 5 that is suspended via a carriage so as to be movable up and down. The drive trolley 3 includes a drive wheel 6 and a motor 7 that rotationally drives the drive wheel 6, and the driven trolley 4 includes a driven wheel 8 and a current collecting unit 9. Reference numeral 10 is a power supply line laid on the guide rail 2. The hanging device 5 is an openable and closable hanger 1 for suspending an object W to be transported under the hanging device 5.
1 is provided.

As shown in FIGS. 3 and 4, the transportation train 1 is internally provided with an elevating and lowering drive means 12 for the suspension device 5, a control panel 13 and a relay panel 14. The elevating and lowering drive means 12 is arranged in a laterally lateral direction in the transportation train 1 at a position adjacent to the suspension position of the suspension device 5 in the front-rear direction and a motor pulley 15 arranged in parallel in the axial direction of the motor pulley 15. One pulley 15a
To 15c, three suspension belts 16a to 16c wound with one end fixed to the suspension belt 16a to 16c, and the suspension belt 16 extended from the pulleys 15a and 15b at the left and right ends.
a and 16b are a pair of left and right concentric idle pulleys 1.
The hanging belt 16c hung from the pulleys 15c at the center is hung from the idle pulley 1
Suspended via 9, 20.

The control panel 13 and the relay panel 14 are internally arranged in a distributed manner on the left and right sides inside the other end of the transport train 1 in the front-rear direction, and when the suspension device 5 is raised to the upper limit position, The control panel 13
And a relay panel 14 and having a small width portion 5a which can be inserted between the relay belt and the relay panel 14, and has a convex planar shape in the front-rear direction, and the hanging belt is provided at both left and right ends of the end surface on the large width portion 5b side. The end portions of 16a and 16b are attached, and the end portion of the suspension belt 16c is attached to the center position of the end surface on the side of the narrow width portion 5a.

Thus, the suspending device 5 comprises the elevating drive means 1
The two motor pulleys 15 are normally driven to drive the three pulleys 15
By winding the hanging belts 16a to 16c by the a to 15c, the upper half portion thereof is lifted to the ascending limit position where the upper portion fits inside the transport train 1. At this time, the small width portion 5 a of the suspension device 5 is fitted between the control panel 13 and the relay panel 14. In this manner, the object W to be conveyed held by the hanger 11 can be conveyed by traveling of the conveyance train 1 while the suspension device 5 is being lifted to the ascent limit position. Further, the motor pulley 15 is reversely driven to drive the three pulleys 15a to 15a.
By extending the suspension belts 16a to 16c by c, the suspension device 5 can be lowered to any unloading level as shown by the phantom line in FIG. 1 and the solid line in FIG.

Next, the hanger 1 provided in the suspension device 5
The opening / closing device of No. 1 will be described with reference to FIGS. 5 to 8. The hanger 11 is composed of a pair of left and right transported object support tools 21 and 22, and each transported object support tool 21, 22 is
Arms 21b, 21c and 22b, 22c are continuously provided at both front and rear ends of support bars 21a, 22a in the front-rear direction, and a pair of left and right arms 2 on the side of the narrow width portion 5a of the suspension device 5 is provided.
1b and 22b are respectively attached to a pair of sliding bodies 25 and 26 slidably fitted respectively to a pair of front and rear guide rails 23 and 24 which are horizontally installed in the suspension device narrow width portion 5a. It is attached via brackets 27 and 28 extending laterally outward from the sliding bodies 25 and 26. In addition, a pair of left and right arms 21c, 22 on the side of the large width portion 5b of the suspension device 5
The c is attached to a pair of left and right sliding bodies 30 and 31 slidably fitted to a single guide rail 29 that is installed laterally in the suspension device large width portion 5b.

Reference numeral 32 denotes a lateral drive means, which is an endless belt 3 stretched laterally in the lateral direction via a drive pulley 33 and a driven pulley 34 at a position adjacent to the guide rail 29.
5 and a motor 36 that drives the endless belt 35 to rotate forward and backward via the drive pulley 33. One of the pair of left and right sliding bodies 30, 31 fitted to the guide rail 29 is one sliding body 30. , The upper rotating path portion 35a of the endless belt 35 is connected via a connecting member 37, and the other sliding body 31 has a lower rotating path portion 35b of the endless belt 35.
Are connected to each other via a connecting member 38.

In the suspension device 5 constructed as described above, the motor 36 drives the endless belt 35 in the normal direction to move the pair of left and right sliding bodies 30, 31 closer to each other along the guide rail 29. By rotating the endless belt 35 in the reverse direction, the pair of left and right sliding bodies 30, 31 can be moved away from each other along the guide rail 29. The pair of left and right sliding bodies 30, 31
By the approaching / separating movements of the pair of left and right conveyed object supporting members 2
One end portions (arms 21c and 22c) of 1 and 22 are moved toward and away from each other. At this time, the transported object support tool 2
The other ends (arms 21b, 22b) of the arms 1, 22 are guided by the guide rails 23, 24 via the brackets 27, 28 and the sliding bodies 25, 26 to move toward and away from each other.

Therefore, when the object W is lifted by the hanger 11, the pair of left and right object supports 21, 22 are opened to the maximum extent as shown by the phantom line in FIG. 5 and the solid line in FIG. In the position, the suspension device 5 is lowered as described above to a level where the support bars 21a and 22a of the pair of left and right transported object support tools 21 and 22 are located below the engaged portion of the transported object W. After that, as shown by the phantom line in FIG. 7, the endless belt 35 is driven to rotate in the forward direction to move the pair of left and right object-to-be-conveyed object support members 21 and 22 toward each other, and the respective support bars 21a and 22a are conveyed. Enter under the engaged portion of W. Then, after that, the lifting device 5 is moved upward to move the transferred object W to the pair of left and right transferred object support tools 21,
It can be lifted by 22.

When lowering the transported object W supported by the hanger 11, the suspending device 5 is lowered to a predetermined level to transfer the transported object W onto a loading platform or the like, and then the endless belt 35.
Is driven in the reverse direction to move the pair of left and right transported object support tools 21 and 22 away from each other to disengage the support bars 21a and 22a from below the engaged portion of the transported object W. After that, the unloading device 5 is lifted to complete the unloading.

When the pair of left and right object support members 21, 22 are in the open position separated from each other, as shown in FIG.
A pair of left and right sliding bodies 2 in the narrow width portion 5a of the suspension device 5
The distance in the left-right lateral direction between 5, 26 is shorter than the distance in the left-right lateral direction between the pair of left and right sliding bodies 30, 31 in the large width portion 5b of the suspension device 5. Therefore, when the pair of left and right object supporters 21, 22 are moved to the maximum extent, the suspension device 5
The pair of left and right sliding bodies 30, 31 in the large width portion 5b of the
The guide rails 29 are laterally adjacent to each other at the center of the guide rail 29, but the pair of left and right sliding bodies 25 and 26 in the narrow width portion 5a of the suspension device 5 are the sliding bodies 30 and 31.
By moving closer to each other by the same stroke,
The guide rails 23 and 24 are separated from each other in the front-rear direction and overlap each other in the front-rear direction.

[0016]

As described above, according to the hanger opening / closing device of the carrying device of the present invention, one end of the pair of left and right conveyed object supports of the hanger is laterally provided on the large width portion side of the hanging device. Direction, the left and right sliding members are respectively connected to a pair of left and right sliding bodies engaged with one guide rail, and the other end of the transported object support member is horizontally and laterally erected on the narrow width side of the suspension device. Since they are respectively connected to a pair of sliding bodies that are individually engaged with a pair of front and rear guide rails, the pair of sliding bodies on the small width side of the suspension device also has a pair of left and right sides on the large width side of the suspension device. The same lateral movement stroke as the sliding body of can be given.

In other words, the guide rails for guiding the pair of left and right sliding bodies on the small width side of the hanging device are separated for each sliding body and are moved back and forth while forming the hanging device in a convex shape in plan view. By arranging them side by side, the required lateral movement stroke can be given to the pair of sliding bodies on the narrow width side of the suspension device, and the front and rear ends of the pair of left and right transported object supports are guided by the guide rails. By doing so, it became possible to perform stable lateral opening and closing movements.

[Brief description of drawings]

FIG. 1 is a side view of the entire apparatus.

FIG. 2 is a front view of the entire apparatus.

FIG. 3 is a plan view showing a detailed structure of a main part.

FIG. 4 is a side view showing a detailed structure of a main part.

FIG. 5 is a cross-sectional plan view showing a hanger opening / closing mechanism of the suspension device.

FIG. 6 is a vertical sectional side view showing the hanger opening / closing mechanism.

FIG. 7 is a vertical cross-sectional front view showing one end side of the hanger opening / closing mechanism.

FIG. 8 is a vertical sectional front view showing the other end side of the hanger opening / closing mechanism.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Car train 2 Guide rail 5 Suspension device 5a Small width part 5b Large width part 11 Hanger 12 Elevating drive means 13 Control panel 14 Relay panel 15 Motor pulleys 16a to 16c Suspended belt 21,22 Transported object support 23,24 , 29 Guide rails 25, 26, 30, 31 Sliding bodies 27, 28 Brackets 32 Traverse drive means 35 Endless belts 36 Motors

Claims (2)

[Claims] 1. A transport device in which a hanger for suspending an object to be transported is provided in a suspending device suspended from a transport train so that the suspension device can be lifted up and down. In the convex transport device, one end of the pair of left and right object supporters of the hanger is engaged with one guide rail that is laid laterally on the large width side of the suspension device. A pair of left and right slide rails connected to the pair of left and right slide bodies, respectively, and the other end of the transported object support tool is engaged with a pair of front and rear guide rails horizontally laid on the narrow width side of the suspension device. Hanger opening / closing device for a transporting device, which is provided with lateral movement driving means for moving the pair of left and right sliding bodies, which are engaged with the one guide rail, toward and away from each other. 2. The lateral movement driving means comprises an endless belt stretched in parallel with the one guide rail and a motor for driving the endless belt in forward and reverse rotations. One of the pair of left and right sliding bodies engaging with
2. The hanger opening / closing device for a conveying device according to claim 1, wherein the hanger opening / closing device is connected to an upper rotation path portion of the endless belt, and the other sliding body is connected to a lower rotation path portion of the endless belt.