LifeTrac 6 Modules
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Important Links
LifeTrac 6 Baseline Product Requirements
Collaborators' Logs
LifeTrac 6 Full Assembly
Design Change Proposals
- ground hug pivot with 4x1 plate welded component
- hydraulic mounts to arms
- 3 bolts holding base pieces in place
- File:LifeTrac6dorkmo20130909-3.skp
- pivot cylinder mounted above or below upper pivot point
- requires extending 4x4 for the pivot to be extended 4inches and bolt moved.
- File:Pivotmount20130912.skp
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- quick attach module using 4x4 based on previous design
PowerCube
Module - Power Cube Product Development Board
Cab
Cab Design Requirements
Module - Cab Frame Product Development Board
Cab module Sketchup File
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Hydraulic Valves Sketchup Files
Hydraulic Connections
Controller Mounting Plate Drawings
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File:2 Spool Mounting Plate.pdf
File:3 Spool Mounting Plate.pdf
3 Spool Joystick Loader Control Valve
2 Spool Joystick Loader Control Valve
Hydraulic Flow Schematic
Loader Arm Submodules
Module - Loader Arms Product Development Board
Auxiliary Mount Submodule
New Bobcat Quick Attach Module
File:BobCat Quick Attach w Plate.skp
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Quick Attach
Module - Bobcat Standard Quick Attach Product Development Board
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Bobcat_Standard_Quick_Attach_for_LifeTrac
Front WheelBase
Wheel Mount
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Quick Attach Wheel Module
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Future Gearbox Module
Figured out how to use the roller chain design accelerator in AutoDesk Inventor. Here's all the specs and calculations for the chain & sprockets I put on (The sprockets are the ones we already use, and the chain's now single instead of double.)
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Chain and Sprocket Specs & Calculations
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Benefits to the New Gearbox Design
The new box has the following benefits:
- The box is totally reversible in any orientation for the four wheels.
- The same motor sits adjacent to the drive shaft instead of in-line, making the box only 20" long instead of 30"
- This enables us to narrow the wheelbase considerably (which is definitely needed in order to fit the tractor safely on any trailer other than a semi).
- Still modular - you can use it in other applications as well.
- Gives the option for expansion into narrower wheel-based vehicles (Such as the Car or MicroTrac)
- Allows for potential gear shifting & speedier movement if you want to add different size sprockets
- Stronger and shorter 3" drive shaft instead of 2" (Less likely to break)
- This also means that using skid steering becomes a viable option again
- Easily serviceable:
- Both sides are open with plenty of lengthwise room to slip the motor, sprockets, and bearings out if needed.
- Hydraulic motor inputs/outputs easily accessible.
- Clamp is essentially just a large C Clamp with two long bolts. When removed, the whole box comes out.
Rear WheelBase
Articulated Steering Pivot