Granted Patent B2

US 8,474,547 · App. 12/251,120 · Granted Jul 2, 2013

Abstract

Claims (58)

1. An isolation system, comprising:

a mount assembly adapted to be secured to a support structure;

at least one rail moveably coupled to said mount assembly, said at least one rail being adapted to be fixedly coupled to a vibratory drill head; and

at least one air bladder assembly including at least one air bladder, said at least one air bladder assembly being coupled to said at least one rail and said mount assembly;

wherein said at least one air bladder is configured to compress and expand to counter oscillating forces generated by the vibratory drill head as said at least one rail translates relative to said mount assembly.

2. The system of claim 1 , further comprising a first bracket and a second bracket, said first bracket being positioned on an opposing side of said at least one air bladder as said second bracket.

3. The system of claim 2 , wherein said first bracket is positioned outwardly of said second bracket relative to the drill head and wherein said second bracket is held stationary relative to said first bracket.

4. The system of claim 3 , further comprising a second air bladder assembly positioned on an axially opposing side of said at least one air bladder assembly, said second air bladder assembly including at least a second air bladder.

5. The system of claim 4 , wherein said second air bladder assembly includes a first bracket and a second bracket, said first bracket being positioned on an opposing side of said at least a second air bladder as said second bracket.

6. The system of claim 5 , wherein said first bracket of said second air bladder assembly is positioned outwardly of said second bracket of said second air bladder assembly relative to the drill head.

7. The system of claim 1 , further comprising a plurality of air bladder assemblies positioned on an axial side of the drill head and a plurality of air bladder assemblies positioned on an opposing axial side of the drill head.

8. The system of claim 1 , wherein said at least one air bladder has a pressure of between about 0 psi and about 120 psi.

9. A drilling system, comprising:

a mount assembly;

at least one rail coupled to said mount assembly;

a drill head configured to generate oscillating forces, said drill head being fixedly coupled to said at least one rail; and

an isolation system including at least one air bladder assembly having at least one air bladder;

wherein said at least one rail is configured to transmit oscillating forces generated by said drill head to said at least one air bladder such that said at least one air bladder counters said oscillating forces.

10. The system of claim 9 , wherein said at least one air bladder assembly includes:

at least one first bracket coupled to said at least one rail, and

at least one second bracket configured to be held stationary relative to said at least one first bracket,

wherein said at least one air bladder is positioned at least partially between said at least one first bracket and said at least one second bracket.

11. The system of claim 10 , wherein said at least one first bracket includes an outer bracket and said at least one second bracket includes an inner bracket.

12. The system of claim 11 , wherein said at least one air bladder assembly comprises a first air bladder assembly located on a first axial side of said drill head and further comprising at least a second air bladder assembly positioned on a second axial side of said drill head, said second axial side being opposite said first axial side.

13. The system of claim 12 , further comprising a plurality of air bladder assemblies positioned on said first axial side of said drill head.

14. The system of claim 13 , further comprising a plurality of air bladder assemblies positioned on said second axial side of said drill head.

15. The system of claim 12 , wherein said drill head includes a casing and wherein said at least one rail passes through said casing and is coupled to said at least one first bracket of said first air bladder assembly.

16. The system of claim 12 , wherein said at least one first bracket is positioned outwardly of said at least one second bracket relative to said drill head.

17. The system of claim 16 , further comprising at least one bumper positioned between said drill head and said at least one second bracket.

18. The system of claim 12 , wherein said drill head is a sonic drill head.

19. The drilling system of claim 9 , wherein the drill head is configured to generate sinusoidal oscillating forces.

20. A drilling system, comprising:

a drill head configured to generate oscillating forces;

a mount assembly; and

an isolation system including at least one upper air bladder and at least one lower air bladder, wherein said at least one upper air bladder is coupled to said mount assembly on a first side of said drill head, and wherein said at least one lower air bladder is coupled to said mount assembly on a second, opposing side of said drill head;

wherein said at least one upper air bladder is adapted to compress upon movement of said drill head away from said at least one upper air bladder to counter the oscillating forces.

21. The drilling system of claim 20 , wherein said mount assembly includes at least one upper support bracket and said isolation assembly includes at least one bracket and at least one guide member coupling said at least one bracket to said drill head, wherein said at least on upper air bladder is positioned to compress and expand due to relative motion between said at least one bracket and said at least one upper support bracket.

22. The drilling system of claim 21 , wherein said mount assembly further includes at least one lower support bracket and said isolation assembly includes a second bracket, wherein said at least one lower air bladder is configured to compress and expand due to relative motion between said second bracket and said lower support bracket.

23. The drilling system of claim 20 , wherein the drill head is configured to generate sinusoidal oscillating forces.

24. An isolation system, comprising:

a mount assembly adapted to be secured to a support structure;

at least one rail guide adapted to be moveably coupled to said mount assembly, said at least one rail guide-being adapted to be coupled to a vibratory drill head;

at least one air bladder assembly including at least one air bladder, said at least one air bladder assembly being adapted to be coupled to said at least one rail guide and said mount assembly; and

a first bracket and a second bracket, said first bracket being positioned on an opposing side of said at least one air bladder as said second bracket;

wherein:

said at least one air bladder is configured to compress and expand to counter oscillating forces generated by the vibratory drill head as said at least one rail guide translates relative to said mount assembly, and

said first bracket is positioned outwardly of said second bracket relative to the drill head and wherein said second bracket is held stationary relative to said first bracket.

25. A drilling system, comprising:

a mount assembly;

at least one guide rail coupled to said mount assembly;

a drill head configured to generate oscillating forces, said drill head being fixedly coupled to said at least one guide rail;

an isolation system including at least one air bladder assembly having at least one air bladder;

at least one first bracket coupled to said at least one guide rail; and

at least one second bracket configured to be held stationary relative to said at least one first bracket;

wherein:

said at least one guide rail is configured to transmit oscillating forces generated by said drill head to said at least one air bladder such that said at least one air bladder counters said oscillating forces,

said at least one air bladder is positioned at least partially between said at least one first bracket and said at least one second bracket, and

said drill head includes a casing and wherein said at least one guide rail passes through said casing and is coupled to said at least one first bracket of said first air bladder assembly.

Assignments (20)