Interchangeable sectional mining drill and bolt driver system

• US 4,907,660 A
• Filed: 03/21/1988
• Issued: 03/13/1990
• Est. Priority Date: 03/21/1988
• Status: Expired due to Fees

• Current Assignee: Arnol Staggs, Margarita Flores
• Original Assignee: Arnol Staggs, Margarita Flores
• Inventors: Staggs, Arnol, Flores, Margarita
• Primary Examiner(s): Kisliuk, Bruce M.
• Application Number:
  US07/170,993
• Time in Patent Office: 722 Days
• Field of Search: 175/320, 175/318, 299/81, 299/91, 285/12, 285/305, 285/403, 285/404, 279/79, 279/102, 279/103, 279/20, 408/239 R, 408/239 A, 408/59-61, 81/177.85, 81/177.1, 81/177.2, 137/515, 137/515.3, 137/515.5, 137/515.7, 29/453, 29/465, 29/469, 29/526 R
• US Class Current: 175/320
• CPC Class Codes: E21B 17/00 Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
• CPC Class Codes: E21B 17/0465 characterised by radially inserted locking elements
• CPC Class Codes: E21B 21/01 Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
• CPC Class Codes: E21B 21/10 Valve arrangements in drilling-fluid circulation systems
• CPC Class Codes: Y10T 279/17965 Drill type

Abstract

An interchangeable, sectional mining drill and bolt driver system for use with a drilling machine, includes a chuck, a driver, a bolt wrench-drill steel driver, a combination driver, a male hex coupler, a female hex coupler, a universal bar, a flat spring-double dimple clip, and a drill bit. The system can be converted from a vacuum debris removal system to a water debris flushing system by connecting a main water valve to a water system base and inserting a first water valve, a second water valve, and a finishing water insert into respective sections of the mining drill system.

Claims

1. An interchangeable, sectional mining drill and bolt driver system for use with a drilling machine, comprising:

(a) a universal bar having an elongated hollow cylindrical shape with first and second ends, the first end having an exterior polygonal cross-section defining a first male fitting with a first longitudinal recess extending from the first end along a portion of a first surface of the first male fitting, said recess having a clip-engaging aperture therein, the first male fitting further having a slot extending from the first end along a portion of a second surface of said first male fitting, said second surface opposing said first surface, the second end being configured similarly to the first end, the second end including a second male fitting;

(b) a female polygonal coupler having an elongated cylindrical exterior shape with a polygonally shaped interior longitudinal aperture defining a female fitting at each end, including a first female fitting at a first end thereof and a second female fitting at a second end thereof, each female fitting being engagable with said first or second male fitting and having a clip-engaging aperture spaced from an end thereof;

(c) a first planar spring clip having a first projection adjacent a first end thereof extending outwardly from a first surface for engagement with a clip-engaging aperture of a male fitting and a second projection adjacent a second end thereof extending outwardly from a second surface for engagement with a clip-engaging aperture of a female fitting, wherein the combination of said universal bar, said female polygonal coupler and said planar spring clip define an extension bar;

(d) a first combination driver having a first end with an external geometric cross-section defining a third male fitting and a second end with an internal polygonally shaped aperture defining a third female fitting, said third female fitting having a clip-engaging aperture spaced from said second end of the combination driver, said first end of the combination driver having a longitudinal bore formed therethrough in communication with said third female fitting;

(e) a second planar spring clip having a first projection adjacent a first end thereof extending outwardly from a first surface for engagement with a clip-engaging aperture of a male fitting and a second projection adjacent a second end thereof extending outwardly from a second surface for engagement with a clip-engaging aperture of a female fitting, wherein the combination of said extension bar, said first combination driver and said second planar spring clip define a pusher bar;

(f) a male coupler having an exterior surface with a polygonal cross-section along an entire longitudinal length thereof and a longitudinal bore formed through said entire length, said exterior surface defining a fourth male fitting at a first end of said male coupler, and further defining a fifth male fitting at a second end of the male coupler, said first end of the male coupler having a longitudinal recess extending therefrom along a portion of a first surface of said fourth male fitting, said recess having a clip-engaging aperture therein, the male coupler having a second end having opposing slots extending from said second end along said first surface and a second opposing surface, said second end further having a second longitudinal recess of the male coupler extending from one of said opposing slots along a portion of said male fitting, said second recess of the male coupler having a clip-engaging aperture therein;

(g) third and fourth planar spring clips, each clip having a first projection adjacent a first end thereof end extending outwardly from a first surface for engagement with a clip-engaging aperture of a male fitting, and a second projection adjacent a second end thereof extending outwardly from a second surface for engagement with a clip-engaging aperture of a female fitting, wherein the combination of said first combination driver, said male coupler, said female coupler, said universal bar, a drill bit having a fourth female fitting, and said first, second, third, and fourth planar spring clips define a starter bar;

(h) a bolt wrench-drill driver having a cylindrical exterior surface, a first end and a second end, the first end thereof having a first recess, the second end thereof having a second recess offset rotationally about a longitudinal axis by 45°

from said first recess, said first and second recesses defining fifth and sixth female fittings, each female fitting thereof having retaining apertures extending through opposing side walls thereof;

(i) a geometric driver having an exterior geometric cross-section throughout an entire length of the geometric driver, said exterior geometric cross-section defining sixth and seventh male fittings at first and second ends of said geometric driver, said sixth and seventh male fittings having retaining apertures extending through said geometric driver, said geometric driver further having a longitudinal bore through the entire length of the geometric driver; and

a retaining member engagable within the retaining apertures of said bolt wrench-drill driver and said geometric driver to releasably lock said geometric driver to said bolt wrench-drill driver, wherein the combination of the first combination driver, said universal bar, a second combination driver substantially identical to the first combination driver, said bolt wrench-drill driver, said retaining member, and said first and second planar spring clips define a roof bolting bar, and wherein the combination of said geometric driver, said bolt wrench-drill driver, said first combination driver, and said retaining member defines an interchangeable, sectional drill driver having a replaceable male fitting engagable with a chuck of a drilling machine.

2. The interchangeable, sectional mining drill and bolt driver system of claim 1, further comprising:

(a) said first combination driver having a threaded portion of said longitudinal bore adjacent said first end thereof;

(b) a first normally closed fluid flow valve having a threaded exterior surface threadingly engagable within the threaded portion of the combination driver, said first valve having a nozzle at a first end thereof and a valve housing at a second end thereof, said valve housing enclosing an integral valve seat wall, a valve seal engagable with said valve seat wall, a reciprocal valve member engagable with said valve seal, and means for biasing said reciprocal valve member in a normally closed direction;

(c) a second normally closed fluid flow valve engagable within said universal bar, a first end of the second fluid flow valve further having a nozzle, and a second end of the second fluid flow valve having a valve housing enclosing an integral valve seat wall, a valve seal engagable with said valve seat wall, a reciprocal valve member engagable with said valve seal, and means for biasing said reciprocal valve member in a normally closed direction; and

(d) a finishing extension fluid flow insert engagable within said universal bar adjacent an end thereof, said insert having an elongated tubular section with a first end and a second end, said first end thereof having a nozzle in communication with an interior longitudinal bore of said elongated tubular section, said second end thereof having an enlarged portion engagable within a drill bit, said second end of the tubular section having elongated longitudinal recesses extending from said enlarged portion along a portion of said elongated tubular section, wherein said first and second fluid flow valves and said insert are engagable within said combination driver, said extension bar, and said universal bar adjacent said drill bit, respectively, to define an internal fluid flow flush system to deliver fluid to said drill bit to flush debris away from said drill bit.

3. In a mining drill steel system for use with a drilling machine;

the improvement comprising an interchangeable, sectional driver including;

(a) a replaceable geometric driver having an external geometric cross-section along a longitudinal length of said geometric driver, said external cross-section defining first and second male fittings at a first end and a second end, respectively, of the geometric driver, said first end being engagable within a female fitting of a chuck of a drilling machine, said square geometric driver having a longitudinal bore extending through the length of the geometric driver, said second end thereof having retaining apertures extending through opposing sidewalls of said geometric driver;

(b) a bolt wrench-drill driver having a first end and a second end, the first end thereof having a first geometric recess therein defining a first female fitting engagable with an end of the geometric driver, the second end of the bolt wrench-drill driver having a second recess therein defining a second female fitting offset rotationally about a longitudinal axis of said bolt wrench-drill driver by 45°

from said first recess, said first and second recesses having retaining apertures extending therefrom and passing through side walls of said bolt wrench-drill driver;

(c) a combination driver having a first end with an exterior geometric cross-section defining a third male fitting engagable with a female fitting of said bolt wrench-drill driver, and the combination driver including a second end having an interior polygonal aperture defining a third female fitting, said first end of the combination driver having retaining apertures formed through opposing side walls to secure said combination driver to said bolt wrench-drill driver, and said third female fitting having a clip-engaging aperture spaced from said second end of the combination driver;

(d) first and second retaining members for releasably engaging aligned retaining apertures to secure said geometric driver with said bolt wrench-drill driver, and to secure said bolt wrench-drill driver with said combination driver.

4. The improvement of claim 3, further comprising:

(a) a male coupler having an exterior surface with a polygonal cross-section along an entire length of said male hex coupler, and a longitudinal bore formed therethrough, said exterior surface defining fourth and fifth male fittings at first and second ends of the male coupler, said first end thereof having a first longitudinal recess extending along a portion of a first surface of said male coupler, said recess having a clip-engaging aperture spaced from said first end of the male coupler, said second end thereof having opposing slots extending along said first surface and a second opposing surface of the male coupler, a second longitudinal recess extending from one of said opposing slots along a portion of said fifth male hex fitting, said second longitudinal recess having a clip-engaging aperture spaced from said second end of the male coupler; and

(b) a planar spring clip having a first projection adjacent a first end thereof, the first projection extending outwardly from a first surface of the clip for engagement with a clip-engaging aperture of a male fitting, and the clip having a second projection adjacent a second end thereof and extending outwardly from a second surface of the clip for engagement with a clip-engaging aperture of a female hex fitting.

5. The improvement of claim 3, further comprising:

said combination driver having a threaded portion of said longitudinal bore adjacent said first end thereof; and

a first normally closed fluid flow valve having a threaded external surface threadingly engagable within the threaded portion of said longitudinal bore of said combination driver, said first valve further having a first end and a second end, said first end of the valve having a nozzle with an opening communicating with a longitudinal bore of said first valve, said second end of the valve having a valve housing enclosing an integral valve seat, a valve seal engagable with said valve seat, a reciprocal valve member engagable with said valve seal, and means for biasing said reciprocal valve member in an normally closed direction.

6. The improvement of claim 3, further comprising:

a chuck having a generally cylindrical exterior surface, a first end, a second end, and a longitudinal axis, said exterior surface having a plurality of teeth formed thereon engagable with a drilling machine for translation of rotational motion to said chuck, the first end having a first geometric recess, the second end having a second geometric recess offset rotationally about the longitudinal axis of the chuck by 45 degrees from said first geometric recess, said first and second geometric recesses defining fourth and fifth female fittings, said chuck having a longitudinal through bore communicating with said fourth and fifth female fittings.

7. The improvement of claim 6, further comprising:

a fluid flow debris flushing system support base for supporting a main water valve with respect to a nonrotatable debris collection container, the water valve adapted to be connected to the chuck for providing water flow through the longitudinal through bore thereof, said system base having a generally horizontal support member connected to said debris collection container, adjustable means for clamping said main water valve against rotational movement, means for dampening vibration from said main water valve against rotational movement, and means for dampening vibration from said main water valve to said debris collection container.

8. The improvement of claim 3, further comprising:

(a) a universal bar having an elongated tubular shape with first and second ends, the first end of the universal bar having an exterior polygonal cross-section defining a sixth male fitting engagable with a female fitting, said sixth male hex fitting having a longitudinal recess extending therefrom along a portion of a first surface of said sixth male fitting, said recess having a clip-engaging aperture therein, the sixth male hex fitting further having a slot extending from the first end of the bar along a portion of a second surface of said sixth male fitting opposing said first surface, the second end of the bar having structure corresponding to that of the first end and including a seventh male fitting; and

(b) a planar spring clip having a first projection adjacent a first end thereof extending outwardly from a first surface thereof for engagement with said clip-engaging aperture of said sixth male fitting, and a second projection adjacent a second end thereof extending outwardly from a second surface thereof for engagement with a clip-engaging aperture of a female fitting.

9. The improvement of claim 8, further comprising:

a drill bit; and

a finishing fluid flow insert engagable within the universal bar engaging the drill bit, said insert having an elongated tubular section with a first end and a second end, said first end of the tubular section having a nozzle with an opening communicating with a longitudinal bore of said elongated tubular section, said second end of the tubular section having an enlarged portion engagable within said drill bit, said second end of the tubular section further having first and second longitudinal recesses extending from said elongated tubular section through a portion of said enlarged portion.

10. The improvement of claim 9, wherein the drill bit comprises:

a normally cylindrical exterior surface with a tapered conical portion at a first end thereof supporting a cutting tip, a second end of the drill bit having a polygonal shaped recess defining a sixth female fitting and a clip-engaging aperture spaced from said second end of the drill bit.

11. The improvement of claim 8, further comprising:

a female coupler having a polygonal shaped longitudinally extending aperture defining a female fitting at each end thereof engagable with a male fitting, each female fitting of the female coupler having a clip-engaging aperture spaced from each end and longitudinally alignable with said clip-engaging aperture of a male fitting.

12. The improvement of claim 11, further comprising:

a second normally closed fluid flow valve engagable within said bar and said female hex coupler, said second valve having an elongated tubular section with a first end and a second end, said first end of the tubular section having a nozzle with an opening communicating with a longitudinal bore through said elongated tubular section, said first end of the tubular section further having an exterior hexagonal shaped cross-section defining a third male hex fitting having a longitudinal recess extending from said elongated tubular section along a portion of a first surface of said third male hex fitting, said recess having a clip-engaging aperture spaced from said elongated tubular section, said second end having a valve housing threadingly engaged with said elongated tubular section, said valve housing enclosing an integral valve seat wall, a valve seal engagable with said valve seat wall, a reciprocal valve member engagable with said valve seal, and means for biasing said reciprocal valve member in a normally closed direction.

13. A mining drill steel system for use with a drilling machine to drill vertical support holes in the roof of an underground mine, comprising:

a starter bar;

a roof bolting bar; and

a drill driver;

each of the starter bar, the roof bolting bar, and the drill driver being formed of a plurality of sections disengagably attached to one another and being disassemblable into a plurality of sections.

14. The drill steel system of claim 13, further comprising a pressurized water debris flushing system disposed within the drill steel system.

15. The drill steel system of claim 14, wherein the water debris flushing system comprises:

a water system base;

a first normally closed water valve disposed within the starter bar; and

a finishing extension water insert disposed within the drill driver.

16. An interchangeable, sectional mining drill and bolt driver system for use with a drilling machine, comprising:

a universal bar having an elongated hollow cylindrical shape with first and second ends, the first end having an exterior polygonal cross-section defining a first male fitting with a first longitudinal recess extending from the first end along a portion of a first surface of the first male fitting, said recess having a clip-engaging aperture therein, the first male fitting further having a slot extending from the first end along a portion of a second surface of said first male fitting, said second surface opposing said first surface, the second end being configured similarly to the first end, the second end including a second male fitting;

a female polygonal coupler having an elongated cylindrical exterior shape with a polygonally shaped interior longitudinal aperture defining a female fitting at each end, including a first female fitting at a first end thereof and a second female fitting at a second end thereof, each female fitting being engagable with said first or second male fitting and having a clip-engaging aperture spaced from an end thereof;

a first planar spring clip having a first projection adjacent a first end thereof extending outwardly from a first surface for engagement with a clip-engaging aperture of a male fitting and a second projection adjacent a second end thereof extending outwardly from a second surface for engagement with a clip-engaging aperture of a female fitting, wherein the combination of said universal bar, said female polygonal coupler and said planar spring clip define an extension bar.

17. The system of claim 16, further comprising:

a first combination driver having a first end with an external geometric cross-section defining a third male fitting and a second end with an internal polygonally shaped aperture defining a third female fitting, said third female fitting having a clip-engaging aperture spaced from said second end of the combination driver, said first end of the combination driver having a longitudinal bore formed therethrough in communication with said third female fitting; and

a second planar spring clip having a first projection adjacent a first end thereof extending outwardly from a first surface for engagement with a clip-engaging aperture of a male fitting and a second projection adjacent a second end thereof extending outwardly from a second surface for engagement with a clip-engaging aperture of a female fitting, wherein the combination of said extension bar, said first combination driver and said second planar spring clip define a pusher bar.

18. The system of claim 17, further comprising:

a male coupler having an exterior surface with a polygonal cross-section along an entire longitudinal length thereof and a longitudinal bore formed through said entire length, said exterior surface defining a fourth male fitting at a first end of said male coupler, and further defining a fifth male fitting at a second end of the male coupler, said first end of the male coupler having a longitudinal recess extending therefrom along a portion of a first surface of said fourth male fitting, said recess having a clip-engaging aperture therein, the male coupler having a second end having opposing slots extending from said second end along said first surface and a second opposing surface, said second end further having a second longitudinal recess of the male coupler extending from one of said opposing slots along a portion of said male fitting, said second recess of the male coupler having a clip-engaging aperture therein; and

third and fourth planar spring clips, each clip having a first projection adjacent a first end thereof end extending outwardly from a first surface for engagement with a clip-engaging aperture of a male fitting, and a second projection adjacent a second end thereof extending outwardly from a second surface for engagement with a clip-engaging aperture of a female fitting, wherein the combination of said first combination driver, said male coupler, said female coupler, said universal bar, a drill bit having a fourth female fitting, and said first, second, third, and fourth planar spring clips define a starter bar.