GB1596737A - Track assemblies - Google Patents

Track assemblies Download PDF

Info

Publication number
GB1596737A
GB1596737A GB2546378A GB2546378A GB1596737A GB 1596737 A GB1596737 A GB 1596737A GB 2546378 A GB2546378 A GB 2546378A GB 2546378 A GB2546378 A GB 2546378A GB 1596737 A GB1596737 A GB 1596737A
Authority
GB
United Kingdom
Prior art keywords
track
assembly according
track sections
run
machine
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.)
Expired
Application number
GB2546378A
Other languages
English (en)
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.)
Joy Global Industries Ltd
Original Assignee
Dobson Park Industries 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
Application filed by Dobson Park Industries Ltd filed Critical Dobson Park Industries Ltd
Priority to GB2546378A priority Critical patent/GB1596737A/en
Priority to FR7831130A priority patent/FR2427241A1/fr
Priority to DE19782849535 priority patent/DE2849535C3/de
Publication of GB1596737A publication Critical patent/GB1596737A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/104—Suspension devices for wheels, rollers, bogies or frames
    • B62D55/116—Attitude or position control of chassis by action on suspension, e.g. to compensate for a slope
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/18—Tracks
    • B62D55/20—Tracks of articulated type, e.g. chains
    • B62D55/205—Connections between track links
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/22—Propulsion of machines for slitting or completely freeing the mineral from the seam by wheels, endless tracks or the like
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/087—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam
    • E21D23/088—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam by means of wheels, rollers, caterpillars, belts or worm screws

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Soil Working Implements (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
GB2546378A 1978-05-31 1978-05-31 Track assemblies Expired GB1596737A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB2546378A GB1596737A (en) 1978-05-31 1978-05-31 Track assemblies
FR7831130A FR2427241A1 (fr) 1978-05-31 1978-11-03 Mecanisme a chenilles
DE19782849535 DE2849535C3 (de) 1978-05-31 1978-11-15 Vorrichtung zur Aufnahme von Lasten, insbesondere für den Untertagebergbau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2546378A GB1596737A (en) 1978-05-31 1978-05-31 Track assemblies

Publications (1)

Publication Number Publication Date
GB1596737A true GB1596737A (en) 1981-08-26

Family

ID=10228096

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2546378A Expired GB1596737A (en) 1978-05-31 1978-05-31 Track assemblies

Country Status (3)

Country Link
DE (1) DE2849535C3 (fr)
FR (1) FR2427241A1 (fr)
GB (1) GB1596737A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO921902D0 (no) * 1992-05-14 1992-05-14 Harald Krogsrud Styringsanordning for beltegaaende kjoeretoeyer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2339057A1 (fr) * 1976-01-26 1977-08-19 Charbonnages De France Support unitaire de soutenement marchant
FR2356809A1 (fr) * 1976-06-29 1978-01-27 Charbonnages De France Pile mobile de soutenement continu

Also Published As

Publication number Publication date
DE2849535C3 (de) 1981-07-30
DE2849535B2 (de) 1980-10-16
DE2849535A1 (de) 1979-12-06
FR2427241A1 (fr) 1979-12-28

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee