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Baseplates and Hg System Handling V.B. Graves P.T. Spampinato MERIT Hg System Safety Review CERN June 19-20, 2006.

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Presentation on theme: "Baseplates and Hg System Handling V.B. Graves P.T. Spampinato MERIT Hg System Safety Review CERN June 19-20, 2006."— Presentation transcript:

1 Baseplates and Hg System Handling V.B. Graves P.T. Spampinato MERIT Hg System Safety Review CERN June 19-20, 2006

2 O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY 2 Hg System Safety Review 19-20 June 2006 Outline  Baseplate descriptions  Design overview  Handling and installation

3 O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY 3 Hg System Safety Review 19-20 June 2006 Baseplates  Purpose – provide mobility, alignment, and structural support for experiment components  Experiment requires magnet tilt of 3.8° and elevation ~ 50cm  Four structures  Common baseplate  Target transporter  Target cart  Magnet support beam  Primarily fabricated from AL6061-T6

4 O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY 4 Hg System Safety Review 19-20 June 2006 MERIT Equipment

5 O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY 5 Hg System Safety Review 19-20 June 2006 Target Transporter  Transports target cart and Hg system inside tunnel using rollers  Rails for target cart wheels  Jack brackets prevent rolling  Swivel hoist rings for lifting & cart tie-down  Structure shares common baseplate design but is shorter & carries smaller load, so no separate analysis performed

6 O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY 6 Hg System Safety Review 19-20 June 2006 Target Cart  Supports Hg system during all phases of experiment  Rollers allow transfer from transporter to common base during integration with magnet  Provides lateral movement of Hg system to maintain alignment with solenoid  Structural analysis performed – Appendix E

7 O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY 7 Hg System Safety Review 19-20 June 2006 Hydraulic System Power Unit  Has built-in lift points for 4-point spreader

8 O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY 8 Hg System Safety Review 19-20 June 2006 Common Baseplate  Supports solenoid and Hg system during experiment  Solenoid mobility platform during installation  Rollers used to grossly align solenoid to beam  Provides minor lateral movement of solenoid for alignment to beam Magnet Restraints Magnet Lateral Positioning Lifting Jacks Leveling Jacks Baseplate Lift Points Rollers Cart Restraints Anchor Brackets Tow Brackets

9 O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY 9 Hg System Safety Review 19-20 June 2006 Baseplate Design Constraints & Requirements  Total supported weight  Solenoid: 5500 kg (12000 lbs)  Hg System with 23liter Hg: 1800 kg (4000 lbs)  Baseplate: 450 kg (1000 lbs)  Movement requires lateral force of 3.8kN (850 lbs) (μ s = 0.05 per roller vendor)  Maximum width of 1.3m (51") to meet CERN facility constraints  Fabrication material to be non-magnetic (chose AL 6061-T6)  Must have lifting provisions for unloaded baseplate

10 O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY 10 Hg System Safety Review 19-20 June 2006 Common Baseplate Analyses  Multiple finite-element studies performed to simulate various loading scenarios  Transport rollers  Lifting brackets  Hoisting  Leveling feet  Results showed adequate design in all loading conditions simulated  Additional manual calculations performed on specific critical baseplate components  Baseplate lifting point welds  Hydraulic jacking bracket welds  Hg cart restraint brackets  Included in Appendix E

11 O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY 11 Hg System Safety Review 19-20 June 2006 Magnet Support Beam  Elevating solenoid into beam line will put leveling jack near its limit of travel, affecting stability & limiting height adjustment  Beam is used as spacer to allow more adjustability with leveling jack  Material: AL6061

12 O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY 12 Hg System Safety Review 19-20 June 2006 Components & Estimated Weights Approximate Dimensions Centimeters (inches) Est. Weight Kilograms (pounds) MERIT (fully assembled)406x119x165 (160x47x65)7250 (16000) Primary Containment356x81x74 (140x32x29)860 (1900) Secondary Containment396x107x135 (155x42x53)680 (1500) Base Support Structure320x127x30 (126x50x12)360 (800) Target Cart117x84x20 (46x33x8)80 (175) Target Transporter157x119x30 (62x47x12)160 (350) Magnet Beam Support127x25x18 (50x10x7)14 (30) Hydraulic Cart (w/o oil)172x102x152 (68x40x60)1000 (2200) Hydraulic Fluid Drum61dia x 97tall (24dia x 38tall)230 (500) Mercury Flask15dia x 30 tall(6dia x 12tall)34 (76) Solenoid1800x940x1250 (708x370x490)5440 (12000)

13 O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY 13 Hg System Safety Review 19-20 June 2006 Proposed Method to Lower Equipment into TT2  Target transporter and common baseplate not designed to be hoisted while supporting other equipment  Requires wedge to provide horizontal landing site  Hg system follows same basic process, except placed on transporter 1. Baseplate on wedge 2. Solenoid on baseplate 3. Baseplate towed up slope with turtle 4. Wedge removed, traverse down TT2

14 O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY 14 Hg System Safety Review 19-20 June 2006 Installation Sequence Part 1 Transport Hg SystemRemove RollersTransport Baseplate, Install Magnet Remove Rollers, Level MagnetRoll Hg System into MagnetAdd Rollers

15 O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY 15 Hg System Safety Review 19-20 June 2006 Installation Sequence Part 2  Baseplate & magnet may go in beam line prior to Hg system insertion  Align magnet axis to beam (common vertical plane)  Hg system in position for transfer  Insert Hg system  Elevate and tilt to final alignment Roll System into Beam LineRemove RollersElevate & Tilt

16 O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY O AK R IDGE N ATIONAL L ABORATORY U. S. D EPARTMENT OF E NERGY 16 Hg System Safety Review 19-20 June 2006 Conclusions  Baseplate structures custom-designed for MERIT experiment  Provides mobility, support, and alignment functions  Includes features for handling and lifting  Numerous structural analyses performed  Method proposed for equipment installation into TT2A  Rigging equipment (straps, chokers, etc) to be provided by CERN  Final installation procedure determined by CERN Transport

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