AU2009273762B2 - A method of swaging - Google Patents

A method of swaging Download PDF

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Publication number
AU2009273762B2
AU2009273762B2 AU2009273762A AU2009273762A AU2009273762B2 AU 2009273762 B2 AU2009273762 B2 AU 2009273762B2 AU 2009273762 A AU2009273762 A AU 2009273762A AU 2009273762 A AU2009273762 A AU 2009273762A AU 2009273762 B2 AU2009273762 B2 AU 2009273762B2
Authority
AU
Australia
Prior art keywords
shaft
anchor member
bore
swage press
anchor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
AU2009273762A
Other versions
AU2009273762A1 (en
Inventor
Neville Hedrick
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Garford Pty Ltd
Original Assignee
Garford Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41569930&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU2009273762(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from AU2008903810A external-priority patent/AU2008903810A0/en
Application filed by Garford Pty Ltd filed Critical Garford Pty Ltd
Priority to AU2009273762A priority Critical patent/AU2009273762B2/en
Publication of AU2009273762A1 publication Critical patent/AU2009273762A1/en
Application granted granted Critical
Publication of AU2009273762B2 publication Critical patent/AU2009273762B2/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • B21D39/048—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods using presses for radially crimping tubular elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D49/00—Sheathing or stiffening objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02—Special design or construction
    • B21J7/14—Forging machines working with several hammers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/44—Making machine elements bolts, studs, or the like
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/008—Anchoring or tensioning means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Geology (AREA)
  • Supports For Plants (AREA)
  • Earth Drilling (AREA)
  • Forging (AREA)
  • Insertion Pins And Rivets (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

A method of swaging is provided to mount an anchor member (14) on a solid shaft (12) to form a component of a yielding rock bolt The anchor member (14) is mounted on the shaft (10) and the assembly is placed in a swage press (10) having three or more swage press members (50) which are equiangularly disposed about the anchor member (14). The swage press members (50) are simultaneously applied to the anchor member (14) laterally to apply pressure so as to deform this anchor member (14) and the shaft (12).

Description

Received 7 September 2010 TITLE "A METHOD OF SWAGING" BIEF DESCRTTON OF TUE INVENTION 5 The present invention relates to a method of swaging. FIELD OF THE INVENTON In International Patent Application Number WO 2004/055327 there is disclosed a yielding rock bolt which is arranged to be inserted into a rock body. A hole is tilled and 10 filed with a bonding material such as resin which bonds with an outer facade of the yielding rock bolt. In order.for the yielding rock bolt to react to a rock movement effectively, an inner shaft must undergo extrusion through a fixed anchor member. The present invention relates, in particular, to a method of swaging an anchor member to 15 a solid metal shaft to form a component of the yielding rock bolt SUMMARY OF THE-INVENTION In accordance with one aspect of the present invention there is provided a method of swaging, in order to mount an anchor member on a solid shaft to form a component of a 20 yielding rock bolt, characterized in that the anchor member is mounted about the shaft, the anchor member and the shaft are placed in a swage press comprising three or more sewage press members which are equiangularly disposed about-the anchor member, and urging the swage press members simultaneously toward a central point corresponding with a longitudinal axis ofthe shaft so that the swage press members engaged the anchor 1 Amended Sheet
IPEA/AU
Received 7 September 2010 member laterally so as to apply a radially compressive lateral deforming force to the anchor member and case the anchor member to be deformed inwardly and the shaft to be also deformed inwardly correspondingly. DESCRIPTION OF THE DRAWINGS 5 The present invention will now be described, by way of example, with reference to the accompanying drawings, in which: Figure 1 is a schematic perspective representation of a swage press being used in accordance with the method ofthe present invention to swage an anchor member onto a shaft; 10 Figure 2 is a cross-sectional view of the anchor member used in accordance with the present invention, before swaging; Figure 3 is a longitudinal cross-sectional view showing the relative positioiof the shaft 1s and the anchor member, in accordance with the present invention, before being swaged; Figure 4 is a transverse cross sectional view of the apparatus of figure 3; and Figure 5 is a longitudinal cross-sectional image similar to figure 2 showing, in part, a 20 portion of a yielding rook bolt after being swaged in accordance with the method of the present invention. DESCRIPTION OF THE NENTION In the drawings, there is shown a swage press 10, a shaft 12 and an anchor member 14 which is a substantially cylindrical member with a longitudinal bore 40. 2 Amended Sheet
IPEA/AU
WO 2010/009507 PCT/AU2009/000939 In figure 2 a cross-sectional illustration shows a preferred embodiment of the bore 40 of the anchor member 14 having an internal bore surface 41. The bore 40 comprises a relatively wide and parallel distal portion 42, a relatively narrow and parallel mid portion 44 and a proximal tapered portion 46. The portion 42 is connected to the mid portion 44 by a step 43. The tapered portion 46 is connected to the mid portion 44 by an annular recess 45. The bore 40 is arranged to receive the shaft 12. Further, the shaft 12 is preferably encased in a debonding sheath 18 as shown in figure 1. The sheath 18 is arranged to engage snugly with the anchor member 14 by being located in the distal portion 42 of the anchor member 14 as shown in figure 3. The mid portion 44 is dimensioned to receive the shaft 12 alone. The anchor member 14 may be manufactured from hardened heat treated steel such as 41/40 steel and the internal bore surface 41 of the anchor member 14 may be nitrided to prevent molecular welding with the shaft 12. With reference to figure 3, the anchor member bore 40 receives the shaft 12, and is laterally disposed between the debonding sheath 18 fitted with a fixing means 26 (shown in figure 1), and a jacket member 16. The shaft 12 is dimensioned such that, prior to swaging, the anchor member 14 may be mounted about the shaft 12 with no interference. When the anchor member 14 is fitted to the shaft 12, it receives a radially compressive lateral deforming force from a plurality of swage press members 50 of a swage press 10. 3 WO 2010/009507 PCT/AU2009/000939 The jacket member 16 is mounted about a proximal step 47 at the proximal end of the anchor member 14 as can be seen in figure 3. As shown in figure 1, the swage press members 50 are equiangularly disposed about an outer lateral surface 48 of the anchor member 14. The apparatus contains at least three (3) and preferably from six (6) to ten (10) of the swage press members 50. In use, the swage press members 50 are simultaneously urged, upon operation of the swage press 10 toward a central point corresponding with a longitudinal axis of the shaft 12. An inner engaging surface 52 of each swage press member 50 is characterised by an arcuate profile complementary to the outer lateral surface 48 of the anchor member 14 with which it is to engage. Upon swaging, the swage press members 50 engage with the anchor member 14 and communicate radially compressive deforming forces to the anchor member 14 mounted on the shaft 12. The anchor member 14 undergoes a lateral deformation inwardly at a swaged portion 54 as shown in figure 5 thereof and engages with the shaft 12 in a constrictive relationship. The constrictive relationship of the anchor swaged portion 54 and the adjacent shaft 12 effects a lateral yielding at a shaft swaged portion 56 shown in figure 5. The shaft swaged portion 56 corresponds in shape and proportion to the anchor swaged portion 54 at the inner surface 41 of the bore 40. Thus, the portion 56 is of narrower cross-sectional size compared to the remainder of the shaft 12. With reference to figure 5, the anchor 4 WO 2010/009507 PCT/AU2009/000939 swaged portion 54 is in engagement with the relatively narrow shaft swaged portion 56 and is laterally disposed between non swaged portions of the shaft 12. The disclosed arrangement causes the shaft 12 and anchor member 14 to operate as an essential component of a yielding rock bolt 10. In practice the yielding rock bolt 10 is arranged to harness a rock face movement whereby the shaft 12 is forced to yield as it undergoes an extrusion through the anchor member swaged portion 54, thereby effecting a controlled and predictable rock face movement. Modifications and variations as would be apparent to a skilled addressee are deemed to be within the scope of the present invention. 5

Claims (7)

  1. 2. A method according to claim 1, characterized in that the swage press comprises from 6 to 10 swage press members.
  2. 3. A method according to claim 1 or 2, characterized in that the anchor member has a substantially cylindrical outer lateral shape and a longitudinal bore.
  3. 4. A method according to claim 3, characterized in that an inner engaging surface of each swage press member has a profile corresponding to a portion of the substantially cylindrical outer lateral shape of the anchor, member.
  4. 5. A method according to claim 3 or 4, characterized in that the bore has a AMENDED SHEET IPEA/AU 6 Received I september zuiu relatively wide and parallel distal portion arranged to receive a debonding sheath disposed about the shaft.
  5. 6. A method according to claim 5, characterized in that the bore also comprises a relatively narrow and parallel mid portion.
  6. 7. A method according to claim 6, characterized in that the bore further comprises a proximal tapered portion connected to the mid portion.
  7. 8. A method according to claim 6 or 7, characterized in that the mid portion is connected to the distal portion by a step. AMENDED SHEET IPEAIAU 7
AU2009273762A 2008-07-25 2009-07-24 A method of swaging Ceased AU2009273762B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2009273762A AU2009273762B2 (en) 2008-07-25 2009-07-24 A method of swaging

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AU2008903810A AU2008903810A0 (en) 2008-07-25 A method of swaging
AU2008903810 2008-07-25
PCT/AU2009/000939 WO2010009507A1 (en) 2008-07-25 2009-07-24 A method of swaging
AU2009273762A AU2009273762B2 (en) 2008-07-25 2009-07-24 A method of swaging

Publications (2)

Publication Number Publication Date
AU2009273762A1 AU2009273762A1 (en) 2010-01-28
AU2009273762B2 true AU2009273762B2 (en) 2015-05-07

Family

ID=41569930

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2009273762A Ceased AU2009273762B2 (en) 2008-07-25 2009-07-24 A method of swaging

Country Status (4)

Country Link
KR (1) KR20110036826A (en)
AU (1) AU2009273762B2 (en)
PE (1) PE20110533A1 (en)
WO (1) WO2010009507A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103223440B (en) * 2013-05-08 2015-03-25 艾通电磁技术（昆山）有限公司 Fastening point tooling for processing concave and convex points on surfaces of tubular product
CN111842754B (en) * 2020-07-08 2021-08-27 西安交通大学 Progressive radial forging device and process for arc-shaped tooth-bottom non-involute tooth-shaped four-hammer head

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3662450A (en) * 1970-04-24 1972-05-16 Dresser Ind Hand-portable press for swagable pipe coupling
GB2227694A (en) * 1989-01-25 1990-08-08 Maurice Richard Stokes Mine roofbolts
JPH0913900A (en) * 1995-06-29 1997-01-14 K F C:Kk Rock bolt driving work execution method
WO2004055327A1 (en) * 2002-12-16 2004-07-01 Garford Pty Ltd A yielding rock bolt
WO2005103547A1 (en) * 2004-04-24 2005-11-03 Mössinger + Wolter Tube connector and device for production of a tube connector
WO2007112481A1 (en) * 2006-04-06 2007-10-11 Garford Pty Ltd A yielding rock bolt
US20080034832A1 (en) * 2006-08-11 2008-02-14 Maurice William Slack Radial piston crimping tool

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3662450A (en) * 1970-04-24 1972-05-16 Dresser Ind Hand-portable press for swagable pipe coupling
GB2227694A (en) * 1989-01-25 1990-08-08 Maurice Richard Stokes Mine roofbolts
JPH0913900A (en) * 1995-06-29 1997-01-14 K F C:Kk Rock bolt driving work execution method
WO2004055327A1 (en) * 2002-12-16 2004-07-01 Garford Pty Ltd A yielding rock bolt
WO2005103547A1 (en) * 2004-04-24 2005-11-03 Mössinger + Wolter Tube connector and device for production of a tube connector
WO2007112481A1 (en) * 2006-04-06 2007-10-11 Garford Pty Ltd A yielding rock bolt
US20080034832A1 (en) * 2006-08-11 2008-02-14 Maurice William Slack Radial piston crimping tool

Also Published As

Publication number Publication date
PE20110533A1 (en) 2011-07-19
AU2009273762A1 (en) 2010-01-28
KR20110036826A (en) 2011-04-11
WO2010009507A1 (en) 2010-01-28

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Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired