JP2580368Y2 - Transportation equipment for underfloor work of automobiles - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transfer device used for transferring a vehicle when performing a wax spraying operation under a floor of the vehicle in a car factory.

[0002]

2. Description of the Related Art As this type of transport device, for example, as disclosed in Japanese Patent Application Laid-Open No. 63-295319,
Left and right endless chains arranged at an interval wider than the interval between the left and right wheels of the automobile and left and right wheels mounted on the two chains at intervals corresponding to the interval between the front and rear wheels of the automobile, respectively. Transport means having supporting slats, and means for loading / unloading the vehicle with respect to the conveyor, wherein the loading / unloading means is disposed between the two chains at least at the start end and the end of the upper movement path of both chains, respectively. And a pair of front and rear conveyors having slats that are driven synchronously with the conveyor.

[0003]

In the above conveying apparatus, the pair of conveyors as the loading / unloading means has a complicated structure due to the presence of movable parts such as slats, and is synchronized with the driving source and the slats of the conveying apparatus. Therefore, there is a problem that the equipment cost and the operation cost of the apparatus are expensive.

An object of the present invention is to provide an underfloor work transfer device for an automobile which is inexpensive in equipment costs and operation costs.

[0005]

SUMMARY OF THE INVENTION A transportation device for underfloor work of a vehicle according to the present invention is provided with left and right endless chains arranged at an interval larger than the interval between the left and right wheels of the vehicle, and opposed to the two chains respectively. Mounted
Left and right front wheel support slats and these slats
Of the front and rear wheels slats Yu vital wheels wheel support slat after the left and right respectively mounted on the inwardly projecting face shaped on both chains at a corresponding spacing to the spacing of the motor vehicle against
Cars in the loading zone and work while supported by one side projection
In a vehicle underfloor work transport device having transport means for sequentially transporting the vehicle through a zone and a drop-off zone, and loading / unloading means for the vehicle with respect to the slat, the loading / unloading means moves the slat upward in the loading zone. Down the path
Secure the loading members and the
A dismounting member fixed below the upper movement path of the rat
And the self-propelled car is in the loading zone
Together may Noriutsuri the car loading member tapering preparative Te, car
Get off the vehicle from the slat and transfer to the material
It is characterized by being made possible .

[0006]

In the transportation apparatus for underfloor work of an automobile according to the present invention, the loading / unloading means moves the slat upward in the loading zone.
The loading member fixed below the moving path and the
Fixed below the slat upper travel path
A self-propelled vehicle that has
Can transfer from loading components to slats in zones
At the same time, get off from the slat in the get off zone
Since being made as may Noriutsuri the wood material, rather like a movable portion to unloading means, moreover, also driving the dynamic source like at all
Not required.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

In the following description, “before and after”
Ahead of the vehicle C (see arrows in FIGS. 1 and 2).
And the opposite side will be referred to as the back.

Referring to FIGS. 1 and 2, the floor F has a front side.
A pit P extending rearward is provided. Pit P
From the rear to the front, the loading zone S1 and the working zone S2
And a drop-off zone S3 are sequentially formed.

One horizontal drive shaft 11 is provided at the front end of the pit P.
And two left and right horizontal driven shafts 12 are arranged at the rear end thereof in a straight line. Two left and right drive sprockets 13 are attached to both left and right ends of the drive shaft 11, and two driven sprockets 14 are attached to the center of both driven shafts 12 side by side. Although not described in detail, the drive shaft 11 is provided with a drive mechanism, and the driven shafts 12 are each provided with a take-up mechanism.

Each of the four driving sprockets 13 and the driven sprockets 14 has two pairs of right and left pairs of rollers 15 that are hung on the left and right, respectively. The upper and lower moving paths of the four chains 15 have upper and lower guide rails 16, 17 fixed to the frame by appropriate means.
Are provided. Upper and lower guide rails 16, 17
Is formed in a mountain shape when viewed from the side so that the middle of the length is higher, and the upper movement path of the chain 15 is substantially flush with the floor surface at the center portion, but at the front and rear ends, the floor surface is The chain 15 is guided by rails 16 and 17 so as to be at a lower level.

A large number of two types of slats 21 and 22 are continuously attached to the pair of right and left chains 15, one of which is a wheel supporting slat 21, and another type is a wheel non-supporting slat. It is a slat 22 for use.

In the loading zone S1, there are two chains 15
Left and right strip-shaped loading members 23 extending along the inner side of the side movement path
However, the drop-off zone S3 has the same structure as the loading member 23.
Although the dismounting members 23 are provided respectively,
S2 corresponds to the loading member 23 and the dismounting member 23
Nothing is provided (see FIG. 2). Also, the start and end of the upper moving path of the slats 21 and 22 are
The upper end opening of the pit P is covered with a cover 24 which is substantially flush with the floor F so as to communicate with the floor F.

As shown in detail in FIGS. 3 to 5, the wheel supporting slats 21 are of a rectangular flat plate shape, and the inner half is a supporting portion 31 for the tread surface of the wheel, and the outer half is a mounting portion 32 for the chain 15. And the support portion 31 is made to protrude inward from the chain 15. The distance between the support parts 31 of the left and right slats 21
It is equal to the distance between the left and right wheels of the car C. Left and right two wheel supporting slats 21 are continuously arranged in front and rear to form a left and right front wheel slat group, and three left and right wheel supporting slats 21 are continuously arranged in front and rear, A left and right rear wheel slat group is formed. On each side
Distance between the front wheel slat group and the rear wheel slat group
It is equal to the distance between the front and rear wheels of the vehicle C. On the upper surface of the support portion 31 of the two slats 21 forming the front wheel slat group,
A front-rear wheel stop 33 and a left-right wheel stop 34 are provided. Further, of the two slats 21, on the lower surface of the support portion 31 of the front slat 21, a parallel fitting ridge 35 extending in the front-rear direction so that each front end projects from the front edge of the slat 21. Is provided. And slat 21
Upward inclined surfaces 36 and 37 are provided so as to be flush from the front side surface of the support portion 31 to the front end surface of the fitting ridge 35. On the other hand, the three slats forming the rear wheel slat group 21
On the upper surface of the support portion 31, only a left-right direction wheel stop 34 is provided. Further, the leading slat 21 of the three slats 21 is provided with a fitting ridge 35 with inclined surfaces 36 and 37 in the same manner as described above.

When the operator loads the loading member 23 and the dismounting member 23,
If the slats 21 move while standing on the platform , workers' shoes etc. may be caught between the loading member 23 and the dismounting member 23 and the slats 21. Surfaces 36 and 37 prevent.

The wheel non-supporting slat 22 has a length substantially equivalent to the length of the mounting portion 32 of the wheel supporting slat 21.
Further, it is formed by bending a plate thinner than the wheel supporting slats 21 into a U-shape. Slats for non-wheel support
22 top few millimeters from the lower surface of the wheel supporting slack DOO 21
Has been made low level.

As shown in FIG. 6, the stacking member 23 is a parallel vertical plate extending in the front-rear direction at a predetermined interval.
41 and a large number of horizontal bars 42 connecting and fixing them in place, the support portion of the wheel supporting slat 21
It is arranged in a grid with a width equal to the length of 31. The interval between the adjacent vertical plates 41 is wider than the width of the fitting ridge 35. The upper surface of the loading member 23 is flush with the upper surface of the wheel non-supporting slats 22.Therefore, there is a gap of about several millimeters between the upper surface of the loading member 23 and the lower surface of the wheel supporting slats 21. Insert one ridge 35 between fitting vertical plates 41
The loading members 23 are fixed to the frame by appropriate means so as to be inserted one by one.

The automobile C, which has been running on the floor F, is moved from the starting end of the transport path via the cover 24 to the left and right loading members 23.
To be straddling these. When the car C travels on the stacking member 23 as it is, there is no danger that the car C will fall into the pit P, and the front, rear, left and right wheels of the car C are transferred to the wheel supporting slats 21. Then, the self-propelled car C will stop
Is, after this, the car C with the movement of the slats 21, 22
Are transported, and required operations such as wax spraying are performed during the transport. When working, the floor of the car has four wheels
Is covered with slats 22 only.
All other parts are exposed, so work can be performed
Will be

When the vehicle C is transported to the end of the transport path, the vehicle C is again driven by itself, and the front, rear, left and right wheels of the vehicle C are dismounted from the wheel supporting slats 21 and transferred to the member 23. Then, the car C is dismounted and travels on the member 23 , and is lowered onto the floor F via the cover 24.

[0020]

According to the present invention, since there is no moving part in the loading / unloading means and no driving source is required at all, it can be used for underfloor work of automobiles, which is inexpensive for equipment and operation costs. A transport device is provided.

[Brief description of the drawings]

FIG. 1 is a side view of the device according to the present invention and its peripheral portion.

FIG. 2 is a plan view of the same.

FIG. 3 is an enlarged vertical cross-sectional view showing a conveying means of the apparatus.

FIG. 4 is a side view of the conveyance means.

FIG. 5 is a plan view of the carrying means.

FIG. 6 is an enlarged perspective view showing a part of the transport means.

[Explanation of symbols]

15 Chain 21 Slat 23 Car loading member 23 Dismounting member C Automobile

Claims (1)

(57) [Scope of request for utility model registration] 1. A left and right endless chain 15 , which is arranged at an interval wider than the interval between left and right wheels of a car C ,
Left that is attached to the chain 15 so that they protrude inward
Right front wheel support slats 21 and these slats 21
Tapering Yu vital wheels wheel supporting slat 21 after the left and right respectively mounted on the inwardly projecting face shape the front and rear wheels both chains 15 at intervals corresponding to the spacing of the car C against
The vehicle C is loaded while being supported by the inwardly protruding portion 31 of the
Zone S1, working zone S2 and getting off zone S3
Conveying means for conveying through sequentially in it and, under floor working conveying device of a motor vehicle and a motor vehicle of the product later means for the slats 21, unloading means, the slat upper movement path downwardly at Kurumazumi zone S1
The fixed loading member 23 and the unloading zone S3
Getting off fixed below the slat upper moving path
The self-propelled automobile C having the member material 23 is loaded in the loading zone S1.
You can move from member 23 to slat 21 and get off
Get off from slat 21 and get on member 23 in zone S3
A transfer device for underfloor work of an automobile, characterized in that it can be moved .