JPS6210317Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention mainly relates to a lift device for maintenance of an automobile body.

As a lift device of this kind, a lift device is generally known in which a lift device is provided at the bottom of each of a washing area for cleaning the bottom surface of a vehicle body and an adjacent inspection and maintenance facility for inspecting and servicing the vehicle body. The operations performed using this conventional device are as follows. That is, a car is brought into a washing area, lifted by a lift device, the wheels are removed, and the bottom surface of the car body is washed. After cleaning, the wheels are installed and the car is driven to the next inspection and maintenance facility, where it is lifted again using a lift device and the wheels removed, and the steering and drive systems of the car are inspected and serviced, as well as brake-related repairs. Perform inspection and maintenance,
Next, the wheels are reinstalled, the car is taken down, and the engine is inspected and maintained.

However, with this conventional device, it takes time and effort to move the car from the washing shop to the inspection and maintenance shop because the wheels that have been removed have to be reinstalled. There were drawbacks such as the lift device itself getting in the way when inspecting and servicing the underside. Furthermore, since it is important to keep the ceiling height low in order to install other conventional maintenance lift devices in existing buildings, other conventional lift devices for maintenance are multi-stage type as shown in FIGS. 1 and 3. It is a hanging type with a pair of left and right hanging struts a having an overlapping cross section that can be expanded and contracted vertically. These are connected to a drive source using a hydraulic cylinder b at one location as shown in the second figure, or an electric winch c as shown in the fourth figure, and force is transmitted through a wire rope d to cause the column a to move vertically synchronously.

Therefore, in order to maintain the stability of the strut a, it is necessary to manufacture the gaps between the overlapping parts with high precision to minimize shaking, and there are many such parts, making manufacturing difficult. Rope d had the disadvantage that it required time and effort to perform maintenance and inspection in order to prevent its breakage in advance.

The purpose of the present invention is to eliminate these drawbacks and provide a lift device that is safe, easy to maintain, and has sufficient strength, constructed from simple manufacturing components. A washing place and a car body inspection and maintenance shop are arranged adjacent to the washing place, and running rails extending in a transverse direction from one side to the other above these places are erected, and movable running carts are suspended on these running rails. , a car body hanger is supported on the traveling truck via an X-shaped link, these links are mutually rotatably supported in the middle, and one end is pivotally supported by the traveling truck and the vehicle body hanger, respectively, and the other The ends thereof are movably engaged with the vehicle body hanger and the traveling vehicle 4, respectively, and the tip of a piston rod of a drive cylinder mounted on the traveling vehicle is tied to the intermediate portion of either one of the links.

The embodiments of the present invention will be explained according to the drawings: 1
indicates a cleaning facility, and 2 indicates an inspection and maintenance facility, and the inspection and maintenance facility 2 is an inspection and maintenance facility 2a adjacent to the left side of the cleaning facility 1.
and the inspection and maintenance facility 2b adjacent to the right side. A washing machine 8 is installed on the floor of the washing place 1 so as to be able to move back and forth along a guide rail 8a, and when the washing machine 8 moves back and forth, washing water is discharged from the nozzle of the washing machine 8. The spray was used to clean the bottom of the car body.

3, 3 indicate running rails, these rails 3,
3 was constructed so as to cross the entire field 1, 2a, 2b in parallel upwardly.

4, 4 indicate running carts; these running carts 4,
4 engages the guide rollers attached to both sides of the running rails 3, 3 to move the running rails 3, 3.
It was suspended so that it could be moved freely. Further, although not shown, each traveling carriage 4 is provided with a motor, which is connected to the guide roller via a transmission, and the traveling carriage 4 is driven by forward or reverse rotation of the motor. It was designed to move forward or backward along the rails 3, 3.

Reference numeral 5 indicates a vehicle body hanger, and 6a and 6b indicate links. These links 6a and 6b are pivoted in the middle to form an X shape, and the upper end of one link 6a is pivoted to the traveling truck 4 at a pivot 10a. and is provided with a roller 9a at the lower end so that the roller 9a contacts and rotates along the guide rail 5a of the vehicle body hanger 5, and the other link 6
b has a lower end pivoted 10b on the vehicle body hanger 5, and is provided with a roller 9b at its upper end.
When the guide rail 4a of the traveling carriage 4 comes into contact with the guide rail 4a, the carriage 4 moves.

Reference numeral 7 denotes a drive cylinder consisting of a hydraulic cylinder. The cylinder 7 is rotatably supported by the traveling truck 4 at its base, and the tip of the piston rod 7a of the cylinder 7 is connected to links 6b, 6.
The intermediate portion of b is rotatably connected to the connected shaft 12. Thus, the piston rod 7 of the drive cylinder 7
According to the movement of point a, the body hanger 5 is lowered or raised via the shaft 12 and the links 6a and 6b.

13 indicates a fall prevention device for the vehicle body hanger 5;
As shown in FIGS. 4 and 5, the fall prevention device 13 includes a claw 13a pivoted on the shaft of the roller 9b and a swing arm 13b attached to the guide rail 4a of the traveling carriage 4.
A link mechanism 13 that swings the serrated stop rod 13c and the swing arm 13b, which are provided so as to be vertically movable via the link mechanism 13.
d and its operating lever 13e, and when the operating lever 13e is pulled in the direction of the arrow in FIG. 13f locks the claw 13a, and the upper end roller 9b of the link 6b
movement along the guide rail 4a, thus preventing the vehicle body hanger 5 from falling due to oil pressure leakage from the hydraulic cylinder 7, etc., thereby ensuring the safety of the worker.

In the figure, 14 is a light confirmation mirror, 15 is a tool shelf, 16 is a brake oil bleeder, and 17 is a tire nut tester.

Next, the operation will be explained. After the car A is introduced into the washing place 1 and suspended by the car body hanger 5 as shown in the second figure, after the wheels are removed from the car A, the washing machine 8 is moved and the nozzle is ejected. Wash the bottom of the car body with washing water. Next, both traveling carts 4, 4 are moved to the left in FIG. At this time, the automobile A is moved in a suspended state, so there is no need to attach special wheels for movement as in the conventional case.
In this lifted state, inspection and maintenance of the steering device and drive device of the automobile, inspection and maintenance of the brakes, and installation of wheels are also carried out at the inspection station 2a. During this time, the next car A is brought into the washing station 1 and is washed in the same manner as described above. Next, at the inspection and maintenance shop 2a on the left side, the vehicle body hanger 5 is lowered and the car is lowered, and engine-related inspection and maintenance are performed. Then, both the traveling carts 4 and 4 are moved in the opposite direction, and the next car A undergoes inspection and maintenance of the steering device etc. as described above at the inspection and maintenance shop 2b on the right side, and the next car A is introduced at the washing shop 1. Clean after lifting. By sequentially repeating the work in the steps described above, the work can be performed efficiently without waiting time. still,
In the above embodiment, there are inspection and maintenance areas 2 on both sides of the cleaning area 1.
Although the case in which the cleaning station 1 and the inspection/maintenance station 2 are provided is shown, the present invention may also be applied to various cases regarding the arrangement relationship between the cleaning station 1 and the inspection and maintenance station 2.

FIG. 10 shows another example of the fall prevention device 13. The fall prevention device 13 is provided on the vehicle body hanger 5 and a strip plate 13h that hangs down from the traveling truck 4 and has locking protrusions 13g at equal intervals. A safety claw 13i that only allows tilting in the direction and a spring 13
Operation lever 1 that tilts outward against the bullet of j
3k, and unless the lever 13k is moved downward, the safety claw 13i is locked to the locking protrusion 13g to prevent the vehicle body hanger 5 from lowering.

In this way, according to the present invention, the vehicle body hanger 5 is
Since the vehicle is supported by a movable traveling trolley 4 suspended from traveling rails 3, 3 installed above, the vehicle can be moved from the washing area 1 to inspection and maintenance 2, etc. with the wheels removed, just like a conventional device. There is no need to reattach the wheels when doing so, and since the car is suspended from above by the car body hanger 5, inspection and maintenance of the underside of the car can be done easily without obstacles. Trolley 4
It is supported by links 6a and 6b crossed in an X shape, and the middle part of one link 6 is connected to the tip of a piston rod 7a of a drive cylinder 7 mounted on the traveling truck 4, and as the piston rod 7a advances and retreats, the links 6a, Since the vehicle body hanger 5 is lowered or raised via the wire 6b, there is no wire rope force transmitting member unlike other conventional devices, and there is no need for refueling, inspection or maintenance work for this, and there is also no need for this. This method also has the advantage of being easy to manufacture because it does not use members that require high precision such as polymerized members.

[Brief explanation of the drawing]

Figure 1 is a front view of an example of a conventional lift device, Figure 2 is a front view of an example of a conventional lift device;
The figure is a perspective view of the upper part, FIG. 3 is a front view of another example, FIG. 4 is a plan view of the upper part, FIG. 5 is a plan view of one example of the device of the present invention, and FIG. 6 is a front view thereof. , 7th
8 is an enlarged sectional view of the fall prevention device, FIG. 9 is a sectional view taken along the line 9, and FIG. 10 is an enlarged perspective view of another example of the fall prevention device. . 1...Cleaning area, 2...Inspection and maintenance area, 3, 3...
Traveling rail, 4... Traveling trolley, 5... Vehicle body hanger, 6a, 6b... Link, 7... Drive cylinder, 7a... Piston rod, 10a, 10b...
...Axle support.

Claims (1)

[Scope of utility model registration request] A car body washing place 1 and a car body inspection and maintenance place 2 are arranged adjacent thereto, and traveling rails 3, 3 extending transversely from one side to the other are built above these places 1, 2, so that these places can be washed. A movable running trolley 4 is suspended on the rails 3, 3, and a vehicle body hanger 5 is supported on the running trolley 4 via X-shaped links 6a, 6b, and these links 6a, 6b are mutually rotatable in the middle. The link 6
A lift device for car body maintenance, in which the tip of the piston rod 7a of the drive cylinder 7 mounted on the traveling truck 4 is tied to the intermediate portion of either one of the piston rods a and 6b.