Garage lift. Drawing, description

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Garage lift. Tips for the home master

Builder, home master

Serious car engine repairs are not cheap these days. Therefore, many motorists, having the necessary knowledge and experience, are ready to take on it on their own. But they are not taken, because during such a repair, the engine must be removed from the car, and after the repair, installed back. Manually, without suitable lifting equipment, it is almost impossible to do this. However, you can find a way out of any situation. And for those motorists who own a garage, I would advise you to use my experience. To remove the Zaporozhets engine, I use a self-braking worm gear in my garage.

I heard that experts do not recommend using such a mechanism as a lifting mechanism: they say that its worm pair quickly becomes loose and stops holding the load. I do not argue, especially in the case when loads are lifted, say, daily. But the engine of the same car does not have to be removed every day! So for the life of my "Zaporozhets" the strength of this pair, I think, is quite enough.

How is the lift set up?

I embedded two steel corners 75x75x8 mm into the side walls of the garage so that the hood of the Zaporozhets was located under them. On the shelves of the corners I installed a steel plate 10 mm thick with a worm gear (from a decommissioned metal-cutting machine) attached to it with eight M8 bolts. The plate with the corners is not connected, which to some extent allows you to adjust its position above the car engine.

The gearbox has a gear ratio of 60 and is capable of moving a load weighing up to 300 kg. An asterisk (r = 37,1 = 12,7) from the Karpaty moped with a chain passed through a plate hole with a diameter of 20 mm and connected into a ring is put on its drive (worm) shaft and connected to it with a key.

A smaller asterisk (r = 14, t = 15,875) is put on the load (output) shaft of the gearbox and is also connected to it with a key, on which a chain ending in a hook is freely thrown. Holes with a diameter of 28 mm are drilled in the plate for this chain.

Location of the lift in the garage (click to enlarge): 1 - garage gate; 2 - side wall; 3 - roof; 4 - lift beams (corner 75x75x8, L3200); 5 - base plate (steel 20, s10); 6 - drive shaft with sprocket z = 37; 7 - worm gearbox (i = 60); 8 - cargo shaft with an asterisk g - 14; 9 - cargo chain (t = 15,875); 10 - drive chain (t = 12,7), looped.

I use the lift as follows. Having disconnected the engine from the frame of the car, I bring loops of 5 mm steel cable under it and put their ends on the hook. Then, sorting through the looped chain with my hands, I begin to rotate the drive shaft of the gearbox. The rotation is transferred to the cargo shaft, and the cables are pulled. Gradually and very carefully raise the engine. When it reaches the limits of the engine compartment of the car, I stop lifting (the gearbox securely holds the load) and move the Zaporozhets deep into the garage by a meter so that there is room for a table, on which I then lower the engine. The table is on wheels and can be easily moved around.

I had a chance to remove the motor from the car more "Zaporozhets". There was nowhere to move it in a cramped garage, so my two assistants pulled the engine up on cables to a table moved close to the bumper of the car, while I rotated the gearbox in the opposite direction with a chain.

After this incident, I began to think about how to provide the plate with rollers that would allow the lift to be rolled back to the side wall of the garage and then lower the removed engine onto the table.

Of course, you can go further and electrify the lift by using an electric motor with a reduction gear. But it will be a different design.

Author: G.Gavrilov

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