JPH0616327U - Conveyor device for underfloor work of automobiles - Google Patents

Abstract

(57) [Summary] Conveying device for underfloor work of automobiles [Purpose] There is no moving part, no drive source is required, and equipment and operating costs are low. [Structure] The left and right endless chains 15 are arranged at intervals wider than the distance between the left and right wheels of the automobile C. The left and right wheel supporting slats 21 are attached to the chains 15 so as to project inwardly at intervals corresponding to the distance between the front and rear wheels of the automobile C. A loading / unloading member (23) is arranged and fixed between both chains (15) at least at the start end and the end of the upper movement path of both chains (15). The inward protruding portion of the slat 21 travels on the loading / unloading member 23.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a carrying device used for carrying a vehicle when performing wax spraying work under the floor of the vehicle in an automobile factory.

[0002]

[Prior art]

 An example of this type of conveying device is, for example, as disclosed in Japanese Patent Laid-Open No. 63-295319, left and right endless chains arranged at intervals wider than the distance between the left and right wheels of an automobile and an automobile. It is equipped with a conveyor that has left and right wheel support slats that are mounted inwardly on both chains at an interval that corresponds to the distance between the front and rear wheels, and a loading and unloading means for the automobile on the conveyor. It is known that the descending stage comprises a pair of front and rear unloading conveyors each having a slat arranged between the chains at least at the beginning and at the end of the upper movement path of both chains, and having slats synchronously driven with the slats. Has been.

[0003]

[Problems to be solved by the device]

 In the above-mentioned transfer device, the pair of conveyors as the loading / unloading means has a complicated structure because it has moving parts such as slats, and also requires a control mechanism for synchronizing the drive source and the transfer device slats. Therefore, there is a problem that the equipment cost and operating cost of the device are expensive.

An object of the present invention is to provide a transportation device for underfloor work of an automobile, which is inexpensive in terms of equipment cost and operating cost.

[0005]

[Means for Solving the Problems]

 The vehicle underfloor work transfer device according to the present invention comprises a left and right endless chain arranged at a wider interval than the left and right wheels of the car and a chain corresponding to the front and rear wheels of the car. In a vehicle underfloor work transporting apparatus, which comprises left and right wheel supporting slats mounted on each of the inwardly projecting slat and a vehicle unloading means for the conveyor, the unloading means are It is composed of a loading / unloading member arranged and fixed between both chains at least at the start end and the end of the upper movement path of the chain, and the inward protruding portion of the slat travels on the loading / unloading member. To do.

[0006]

[Action]

 In the vehicle underfloor work carrier according to the present invention, since the loading / unloading means is composed of the loading / unloading member fixedly arranged between both chains at least at the start end and the end of the upper movement path of both chains, There are no moving parts, and no drive source is required.

Further, since the inward projecting portion of the slat runs on the loading / unloading member, the vehicle can be smoothly loaded / unloaded between the loading / unloading member and the slat.

[0008]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings.

Referring to FIGS. 1 and 2, one horizontal drive shaft 11 is arranged at a front end of a pit P provided on the floor F, and two left and right horizontal driven shafts 12 are arranged at a rear end thereof. They are arranged side by side on a straight line. Two left and right drive sprockets 13 are mounted on both left and right ends of the drive shaft 11, and two driven sprockets 14 are mounted side by side at the center of both driven shafts 12. . Although not described in detail, the drive shaft 11 is provided with a drive mechanism, and both driven shafts 12 are provided with take-up mechanisms.

Two pairs of roller chains 15 are paired on the left and right sides of the four drive sprockets 13 and the four driven sprockets 14, respectively. The upper and lower moving paths of the four chains 15 are respectively provided with upper and lower guide rails 16 and 17 fixed to the frame by appropriate means. The upper and lower guide rails 16 and 17 are formed in a mountain shape as viewed from the side so that the middle of the length becomes higher, and the upper movement path of the chain 15 is substantially flush with the floor surface at the central portion. However, the chain 15 is guided by rails 16 and 17 so that the front and rear ends are at a level lower than the floor surface.

A large number of two types of slats 21 and 22 are continuously attached to the pair of right and left chains 15, one type of which is a wheel supporting slat 21, and one type of which is not wheel supporting. For slats 22.

Left and right belt-shaped loading / unloading members 23 are arranged along the inner sides of both chains 15 at the start end and the end of the upper movement path of both chains 15. The upper end opening of the pit P is covered with a cover 24 that is substantially flush with the floor F, except for the upper movement paths of the slats 21 and 22 and the left and right loading / unloading members 23.

As shown in detail in FIGS. 3 to 5, the wheel supporting slats 21 are rectangular flat plates, the inner half of which is a supporting portion 31 for the tread surface of the wheel, and the outer half of which is a mounting portion 32 for the chain 15. In addition, the support portion 31 is projected inward from the chain 15. Two left and right wheel supporting slats 21 are arranged in succession in front and back to form a group of left and right front wheel slats, and three left and right wheel supporting slats 21 are arranged in succession in front and rear, The left and right rear wheel slats are formed. A front and rear direction wheel stop 33 and a left and right direction wheel stop 34 are provided on the upper surface of the support portion 31 of the two slats 21 forming the front wheel slat group. Further, of the two slats 21, on the lower surface of the supporting portion 31 of the front side slat 21, parallel fitting protrusions 35 extending in the front-rear direction project their front end portions from the front edge of the slat 21. Is provided. Further, upward inclined surfaces 36 and 37 are provided so as to be flush with the front side surface of the supporting portion 31 of the slat 21 and the front end surface of the fitting projection 35. On the other hand, on the upper surface of the support portion 31 of the three slats 21 forming the rear wheel slat group, only the left and right wheel stoppers 34 are provided. Further, of the three slats 21, the leading slat 21 is provided with the fitting projections 35 with the inclined surfaces 36 and 37 in the same manner as described above.

When the slat 21 moves while the worker is standing on the unloading member 23, the shoes of the worker may be caught between the unloading member 23 and the slat 21. The inclined surfaces 36 and 37 prevent this.

The wheel non-supporting slat 22 has a length approximately corresponding to the length of the mounting portion 32 of the wheel supporting slat 21, and a plate thinner than the wheel supporting slat 21 is folded into a U-shape. Bent and molded. The upper surface of the wheel non-supporting slats 22 is lower than the lower surface of the wheel supporting slats 21 by several millimeters. Eight consecutive wheel non-supporting slats 22 arranged in series form one wheel non-supporting slat group, which is interposed between the front wheel slat group and the rear wheel slat group.

As shown in detail in FIG. 6, the loading / unloading member 23 includes parallel vertical plates 41 extending in the front-rear direction at predetermined intervals, and a large number of horizontal rods 42 connecting and fixing these in place. And are assembled in a lattice shape having a width approximately equal to the length of the support portion 31 of the wheel supporting slat 21. The space between the adjacent vertical plates 41 is wider than the width of the fitting projection 35. The upper surface of the loading / unloading member 23 is flush with the upper surface of the wheel non-supporting slat 22, and thus, with a gap of about several millimeters between the upper surface of the loading / unloading member 23 and the lower surface of the wheel supporting slat 21, The loading / unloading member 23 is fixed to the frame by appropriate means so that the fitting protrusions 35 can be inserted between the adjacent vertical plates 41 one by one.

The vehicle C that has traveled on the floor F is placed on the left and right loading / unloading members 23 so as to straddle them from the start end of the transport path via the cover 24. When the vehicle C travels on the loading / unloading member 23 as it is, there is no fear that the vehicle C will fall into the pit P, and the front, rear, left and right wheels of the vehicle C are transferred to the wheel supporting slats 21. It After that, the automobile C is transported along with the movement of the slats 21 and 22, and required work such as wax spraying is performed during the transportation.

When the vehicle C is transported to the end of the transportation route, the vehicle C is again driven by itself, and the front, rear, left, and right wheels of the vehicle C are transferred to the loading / unloading member 23 from the wheel supporting slats 21. Then, the automobile C runs on the loading / unloading member 23 as it is, and is lowered onto the floor F via the cover 24.

[0019]

[Effect of device]

 According to this invention, since there is no moving part in the loading and unloading means and no drive source is required, an inexpensive underfloor work transfer device for equipment and operation costs is provided. It

Further, since the vehicle can be smoothly loaded and unloaded between the loading / unloading member and the slats, the transportation work of the vehicle can be smoothly performed.

[Brief description of 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 conveying means.

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

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

[Explanation of symbols]

 15 Chain 21 Slat 23 Loading / unloading member C Car

Claims (1)

[Scope of utility model registration request] 1. The left and right endless chains 15 arranged at a wider interval than the distance between the left and right wheels of the automobile C and the inner ends of both chains 15 at an interval corresponding to the distance between the front and rear wheels of the automobile C. In a vehicle underfloor work transportation device comprising a vehicle having left and right wheel supporting slats 21 mounted in a projecting manner, and a vehicle unloading means for the slat 21, the unloading means includes both chains. The loading / unloading member 23 is arranged and fixed between the chains 15 at least at the start end and the end of the upper movement path of the fifteen, and the inward protrusion of the slat 21 runs on the loading / unloading member 23. A transport device for underfloor work of an automobile, characterized in that