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The welder Joel Ort converted an old three-point PTO-driven pile-hole excavator into a hydraulic-driven excavator installed on the front of the Bobcat skid steer loader for less than $300. Oort from Houghtonville, Wisconsin always shows us how he uses old parts and scrap to build new and useful things.
View the project video here: https://www.dtnpf.com/....
This project took a day without considering hydraulic connections.
Except for the sliding adapter plate, high-torque, low-speed hydraulic motors and hydraulic lines, the rest of the project is made of scrap steel and old gearboxes of augers (must run in both directions to switch jobs).
Here are some steps watched in the video:
- Adapter board. Joel reinforced the board with two steel pipes. The fuel pipe will not obstruct the driver's sight.
--brackets. Two 1/2-inch steel bracket assemblies enable the auger to rotate in two directions-outward, backward, left, and right. This design allows Joel to dig pile holes on uneven ground.
- Pumps, gearboxes, counterweights. Gearbox and hydraulic motor are the key components of this pile excavator assembly. The motor is combined with the salvaged gear box, and the shaft sleeve is processed to connect shafts of different sizes. Joel asked a friend to machine the bushing.
-Counterweight. Watch Joel's detailed information on installing counterweights.
-Rotation control. In order to prevent the pump from rotating, Joel first welded two steel plates to the gearbox, and then welded them to the plate he made to mount the pump.
Cost: $300 (Joel has a lot of materials on hand).
Time: Two days, including hydraulic connection
You can contact Dan Miller at dan.miller@dtn.com
Follow him on Twitter @DMillerPF
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