A solution to transmit torque, motion and thrust all at once?
A solution to transmit torque, motion and thrust all at once?
(OP)
I have a problem which I cannot crack, I am currently looking into the use of a universal joint but I want to explorer other routes too.
I am working on a gearbox test rig which requires a means of transmitting a thrust (5000 N), a torque (1800 Nm) and a speed (2000 RPM) all in the same "shaft". There is also a requirement for a 32mm rod to travel through the middle of all this.
I also need a means of providing the thrust load, currently the use of a Hollow Hydraulic Cylinder looks to be the most effective solution.
Space constraint of the system (length) is around 14".
The input side will be attached to a spline, the thrust load will have to be applied to this splined shaft, the output end is open to ideas.
Many Thanks!
Steve
I am working on a gearbox test rig which requires a means of transmitting a thrust (5000 N), a torque (1800 Nm) and a speed (2000 RPM) all in the same "shaft". There is also a requirement for a 32mm rod to travel through the middle of all this.
I also need a means of providing the thrust load, currently the use of a Hollow Hydraulic Cylinder looks to be the most effective solution.
Space constraint of the system (length) is around 14".
The input side will be attached to a spline, the thrust load will have to be applied to this splined shaft, the output end is open to ideas.
Many Thanks!
Steve





RE: A solution to transmit torque, motion and thrust all at once?
Without regard to the size / configuration of all the supporting equipment required to make this motion, my "one-cup-of-coffee-through-the-morning-fog" answer is to take a hollow-shaft gearmotor (torque & speed) and mount it on a driven linear slide slide (thrust). Then another driven linear slide for the 32mm extension of the rod. "Drive slide" could be anything from pneumatic cylinders to ballscrews+motor rigs.
Better answers may come with more coffee.
TygerDawg
Blue Technik LLC
Virtuoso Robotics Engineering
www.bluetechnik.com
RE: A solution to transmit torque, motion and thrust all at once?
I've also just finished my coffe and realised I should probably add some extra information...
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The gearbox specimen is already powered so the speed and torque are already happening. I just need to transfer this torque and motion from the specimen output to a seperate spur gearbox which is then linked in a loop through a few more gearboxes to the input of the specimen again.
The other main problem I have is possible misalignment and to make matters even more complicated. The solution should ideally be simple enough to be a production solution.
The rod through the centre is going to go all the way through the spur gearbox and attach to a linear actuator/screw jack. Giving me control of the linear movement.
The linear slide is an interesting idea, I'll keep thinking..
RE: A solution to transmit torque, motion and thrust all at once?
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RE: A solution to transmit torque, motion and thrust all at once?
RE: A solution to transmit torque, motion and thrust all at once?
RE: A solution to transmit torque, motion and thrust all at once?
Spline on one end.
Open-center coupling on the other to accommodate misalignment. Need to select a design that will transmit the thrust load.
Bearing and yoke somewhere in the middle of the shaft, connected to an actuator of your choosing to introduce the thrust.
RE: A solution to transmit torque, motion and thrust all at once?