1. Platform for moving and positioning Target Spectrometer on the floor
Workshop – September 2010
Platform for moving and positioning Target Spectrometer on the floor
Cracow University of Technology
Mechnical Design Group
W. Czyżycki, M. Domagała, G. Filo, M. Hawryluk, E. Lisowski

2. Plan of the presentation
1. Air pads systems – moving and lifting
2. Air pads, only lifting, y axis
Hilman Rollers moving along x axis
plastic sliders z axis
and two guidelines with two horizontal hydraulic cylinders.
3. Hydraulic jack for lifting (Enerpack system) , y axis
Hilman Rollers mowing along x axis
plastic sliders (z axis)

3. To make the main assumptions
Assumptions for construction of the platform:
Platform, rails and another devices situated on the floor
Target Spectrometer and his doors will be support by the platform
Platform allows to move Target Spectrometer in x – axis direction and positioning in z axis and y – axis.

4. The construction of the platform includes standard long four I-beams HEB800
This construction of the platform give us three possibilities to movement:
on DELU air pads
Independly we can use special polymeric slippers without or with air pads
The Hilman Rollers- for this we need steel rails on the floor and lifting system for positioning
air supply hose
slipper/support
air pad
hydraulic cylinder

5. The end positioning and setting the platform
roller guides
end stop/positioner
(V structure can be removable – with bolts)
Guideline and hydraulic actuator can be removable – wth bolts) 5

6. Target Spectometer with the moveable platform and Muon Filter, which is not moveable
Fudamental
Guide line

7. View along z-axis Muon Filter Floor level Platform Air Pads Sliders
End stop positioner

8. Bottom view length = 10980mm air pads slippers/supports Hydraulic Jack
With=4900 mm
Muon Filter
Dipole Magnet
length = 10980mm

9. Air pads system Each 1220mmx1220mm Air pad Lifting hight 40 mm
Lifting mass 8x45=360 tones at 4 bar
Moving 8x40=320 ton
Moving 10x40=400 ton

10. Izometric view Twenty plastic sliders under the platform 700mmx300mm
Coeficient of the friction less than 0.08

11. Izometric view
Plastic sliders and air pads under platform

12. Double DELU system Eight or ten pads max load 400 tones
The pressure will be controled in each path
hose accessory, consisting of:
• 12 piece connecting hoses each 5 m long, (2pcs reserve) with two female quick connection couplings each
• 2 piece high flexible supply hose 30m long, diameter 2” with two female quick connection couplings each
• 2 piece air connection point 2" with external thread
Air Consumption 8 m3/min for one segment , pressure 4 bar, lifting 40 mm

13. FEM Analysis - shell model, constraints and load
Mass of the target 300 ton, mass door 40 tons

14. FEM Analysis – von Mises stress
I-BEAM
Von Mises Stress less than 100MPa

15. FEM Analysis - displacement
Displacement magnitude less than 0.5 mm

16. Similar aplications

17. Similar aplications

18. Similar aplications

19. Similar aplications

20. Similar aplications

21. Similar aplications

22. Benefits according Hovair

23. Moving system with Hilman Rollers and air pads and plastic sliders
Working in long distans on the Hilman Rollers
Precision positioning with using air pads and sliders

24. The type of rollers 150-XOTL 150-tons
Top plate 356x813x25 mm
Number contact rollers – 11, Roll diam. 49mm, width 92 mm, mass of one 172 kg
C = capacity of roller in metric tons
W = weight of total load, converted
to metric tons
N = number of rollers to be used
P = load Coefficient (from table for correct load)

25. Platform with two hydraulic cylinders and four Hilman Rollers pass to the inside I beams

26. Hilman Rollers with the guideline during moving along axis x

27. Platform lifted up, before adjust in z axis

28. Hilman Rollers moving along axis z on plastic sliders or air pads

29. Target Spectometer on platform on Hilman Rollers

30. The range of the moving distance
Lifting platform, y axis on air pads or hydraulic jacks, range 5 mm
Positionig, z axis on plastic sliders or air pads, range - 40 mm
Hilman Rollers – x axis, range limited
by lenght of rails

31. Contact pressure on the floor
Air pads – MPa
Plastic sliders – 0,857 MPa
Hilman Rollers – 11,837 MPa
Hydraulic Jacks – 40 MPa
(Hilman Rollers pressure on floor by the rails)

32. Summary air pads Air pads platform with plastic sliders Advantages:
Give possibility to move in three direction x,y,z
No deformation of the structure and low stress
Low contact pressure on floor and easy control pressure in each pads
We don’t need to prepare channels in floor to mount (precisely machined) rails. The simple guidance for air pad platform can be mounted on floor or without it.
We need the air pads only during moving, after that you can use the pads to move another load
It is possible to exchange plastic sliders made of plastic into steel ones if the Target Spectrometer not move long time.
Low friction during moving
Delivery no problem, a few company produce it.
Disadvantages:
There is necessary to use a big compressor,
We need flat floor,
Can apear a noise if the floor will not be polish or wavy.

33. Summary Hilman Rollers
Advantages:
We need only four block of Hilman Rollers
Hilman rollers seems me cheaper than another solution but if you take consideration additional support devices wich be necessary to use probably the price will be similar
Disadvantage:
Moving only along x-axis
We need two heavy rails and guidance
For positionig z axis we need another devices
For positionig in y axis we need hydraulic or pneumatic system
Problem to assure equal pressure under each rollers
We need big Rollers so Hilman don’t produce for this guildeline rollers
Construction of the rails and guidance is not simple us for air pads
Delivery only one Company

34. Summary 1.Each solution to move Target spetometer will be expensive
2. Each solutions is expensive
but cheaper than on wheel carriage
3.None of solutions: Hillman and air pads
don’t allow to move automaticly
Target Spectometer from park to domestic position