JPH07196034A - Suspension carrier device - Google Patents

Abstract

PURPOSE:To lighten an overall device and reduce cost of it and to heighten a lower end level of a hanger concerning the suspension carrier device constituted by hanging the hanger to support an article to carry by a mobile trolley and a slave trolley. CONSTITUTION:This device has a mobile trolley 2, a slave trolley 3 and a hanger 4. The hanger 4 has a hanger arm 24 installed on its upper frame 23, and this device is a suspension carrier device constituted by directly and axially supporting two points on the front and the rear of the upper frame 23 on the mobile trolley 2 and the slave trolley 3 free to rock in the left and right cross direction orthogonal with the travelling direction of these trolleys.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suspending and conveying apparatus in which a hanger for supporting an object to be conveyed is suspended by a self-propelled trolley and a driven trolley.

[0002]

2. Description of the Related Art This type of suspended transfer apparatus has a self-propelled trolley, a driven trolley, and a hanger for supporting an object to be transferred. However, in a conventional suspension transfer device of this type, the upper frame of the hanger is rocked to the left and right through an appropriate bracket below the connecting member that connects the self-propelled trolley and the driven trolley. It was movably supported and suspended.

[0003]

SUMMARY OF THE INVENTION In the above-mentioned conventional suspension conveying apparatus, a connecting member for connecting the drive trolley and the driven trolley is provided separately from the upper frame constituting the transferred object supporting hanger. Since it is provided, the number of parts increases, which not only increases the weight and cost, but also arranges the upper frame of the hanger below the connecting member that connects the front and rear trolleys. The height of the hanger becomes high, and in the situation where the erection height of the guide rails for guiding both trolleys is determined, the lower end of the hanger becomes low, which may result in restriction of the space above the floor. The present invention aims to solve such problems.

[0004]

The structural features of the present invention for achieving the above object are shown by the reference numerals of the embodiments described later, and a self-propelled trolley (2) and a driven trolley (3) are shown. ,
And a hanger (4). The hanger (4) has a hanger arm (24) attached to an upper frame (23). The driven trolley (3) is directly pivotally supported so as to be swingable in the left and right lateral directions orthogonal to the traveling direction of these trolleys, and the upper frame (23) also serves as a connecting member for both trolleys (2, 3). It has a feature in that it is made up of.

In carrying out the present invention, a hanger
It is desirable that the support shafts (13, 14) that pivotally support the upper frame (23) of (4) on both trolleys (2, 3) are arranged at the same level as the upper frame (23).

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described below with reference to the accompanying drawings. In FIG. 1, reference numeral 1 is a guide rail having an I-shaped cross section having rail portions 15 and 16 at both upper and lower ends. . Reference numeral 2 denotes a self-propelled trolley, which includes drive wheels 17 which ride on the upper surface of the upper rail portion 15 of the guide rail 1, a vertical shaft roller 18 for steadying which sandwiches the upper and lower rail portions 15 and 16 of the guide rail 1 from the left and right sides, and A motor 20 for driving the drive wheels 17 via a speed reducer 19 is provided, and a bearing portion 5 that extends in a cantilever form directly below the guide rail 1 is formed at the lower end of the trolley.

Reference numeral 3 is a driven trolley, which is a vertical wheel for preventing steady rotation of the idler wheel 21 on the upper surface of the upper rail portion 15 of the guide rail 1 and the upper and lower rail portions 15 and 16 of the guide rail 1 from both left and right sides. A roller 22 is provided, and a bearing portion 6 that extends cantilevered to a position directly below the guide rail 1 is formed at the lower end of the trolley.

The reference numeral 4 designates a hanger for supporting an object to be conveyed, in which a pair of openable and closable hanger arms 24 are pivotally supported at the front and rear ends of the upper frame 23, and the lower ends of these four hanger arms 24 are supported. The parts support the objects to be transported such as automobile bodies. The upper frame 23 of the hanger 4 includes a connecting member 1 in the left-right width direction at positions near both front and rear ends.
It has a rectangular frame shape having 1 and 12, and the front and rear direction (the trolley traveling direction) is located at the center position of these two connecting members 11 and 12.
Bearing portions 11a and 12a having the bearing holes of are formed.

Numerals 7 and 8 are hanger suspension members having a gate-shaped side surface, and as shown in detail in FIGS. In the state of straddling the bearing portions 5 and 6, the bearing portions 5 and 6 are pivotally attached to the bearing portions 5 and 6 so as to be horizontally rotatable by vertical support shafts 9 and 10. And a pair of front and rear legs 7a of each hanger suspension member 7,8,
Bearing part 11 of hanger 4 between 7b and between 8a and 8b
a and 12a are fitted together, and both of them are pivotally attached to each other by a horizontal support shafts 13 and 14 in the front-rear direction so as to be swingable left and right. Therefore, the front-rear direction horizontal support shafts 13 and 14 are located at the same level as the upper frame 23 of the hanger 4.
In addition, the upper ends of the vertical support shafts 9 and 10 are provided with
In order to pivotally support the lower steady vertical shaft rollers 18 and 22, the bearings are supported by roller bearing portions 25 and 26 that are cantilevered below the guide rail 1.

The suspension transport apparatus constructed as described above is
By rotating the drive wheels 17 of the self-propelled trolley 2 by the motor 20, the self-propelled trolley 2 can be self-propelled along the guide rail 1, and the transported object such as an automobile body supported by the transported object hanging hanger 4 can be transported. Can be transported. Thus, as shown in FIG. 4, the self-propelled trolley 2 and the driven trolley 3 are horizontally rotated around the vertical support shafts 9 and 10 with respect to the hanger 4 suspended via the hanger suspension members 7 and 8. Since it is possible, the trolleys 2 and 3 can travel smoothly with horizontal rotation of the trolleys 2 and 3 with respect to the hanger 4, even in a route portion where the guide rail 1 curves horizontally.

Further, the hanger 4 has horizontal support shafts 13 and 14 in the front-rear direction with respect to both trolleys 2 and 3 (both support shafts 13,
(14 is in a concentric position), the left and right can be freely swung, so when it is necessary to prevent the hanger 4 from swinging to the left or right at a place for loading and unloading transported objects, a guide rail installed at that place With the guide roller provided on the hanger 4, it is possible to prevent the hanger 4 from swinging left and right while allowing the hanger 4 to move.

[0012]

According to the suspending and conveying apparatus of the present invention which can be carried out as described above, the upper frame of the hanger is provided on the self-propelled trolley and the driven trolley, and on the left and right lateral directions orthogonal to the traveling direction of these trolleys. Since the upper frame is used as the connecting member for both trolleys by directly supporting the trolley so as to be swingable in the direction, a conventional connecting member for connecting both trolleys is required separately from the upper frame of the hanger. Compared with the configuration, the number of parts is reduced, and the weight and cost can be reduced. In addition, the level of the upper frame of the hanger can be raised to the level of the conventional connecting member, so that the height of the entire transport device is reduced, and the hanger height can be determined even when the guide rails for guiding both trolleys are erected. The lower end of the floor can be lowered to effectively utilize the space above the floor surface.

According to the second aspect of the present invention, the support shaft for pivotally supporting the upper frame of the hanger on both trolleys is arranged at the same level as the upper frame. Therefore, compared to the case where the bearing bracket is projected upward from the upper frame of the hanger,
Further, the height of the entire device can be reduced to increase the lower end level of the hanger.

[Brief description of drawings]

1 is a partially cutaway side view, and FIG. 1B is a vertical sectional front view.

FIG. 2 is an enlarged partial vertical cross-sectional side view of a hanger suspension portion.

FIG. 3 is an enlarged front view of a hanger suspension portion.

FIG. 4 is a cross-sectional plan view showing a hanger suspension portion of both trolleys.

[Explanation of symbols]

 1 guide rail 2 self-propelled trolley 3 driven trolley 4 hanger for suspending an object to be transported 5 bearing part on trolley side 6 bearing part on trolley side 7 hanger suspension member 8 hanger suspension member 9 vertical support shaft 10 vertical support shaft 11 hanger Upper frame connecting member 12 Hanger Upper frame connecting member 11a Hanger side bearing part 12a Hanger side bearing part 13 Front-rear horizontal support shaft 14 Front-rear horizontal support shaft 23 Hanger upper frame 24 Hanger arm

Claims (2)

[Claims] 1. A self-propelled trolley (2), a driven trolley (3), and a hanger (4), wherein the hanger (4) has a hanger arm (24) attached to an upper frame (23), The upper frame (23) is directly pivotally supported at two points in the front and rear on the self-propelled trolley (2) and the driven trolley (3) so as to be swingable in the lateral direction orthogonal to the traveling direction of these trolleys. A suspended transfer device in which the upper frame (23) also serves as a connecting member for both trolleys (2, 3). 2. A support shaft (13, 14) for swingably supporting the upper frame (23) of the hanger (4) on both trolleys (2, 3) is arranged at the same level as the upper frame (23). The suspended conveyance device according to claim 1, which is provided.