GB710771A - Improvements in or relating to a driving mechanism for a tower jacking structure - Google Patents

Improvements in or relating to a driving mechanism for a tower jacking structure

Info

Publication number
GB710771A
GB710771A GB22914/51A GB2291451A GB710771A GB 710771 A GB710771 A GB 710771A GB 22914/51 A GB22914/51 A GB 22914/51A GB 2291451 A GB2291451 A GB 2291451A GB 710771 A GB710771 A GB 710771A
Authority
GB
United Kingdom
Prior art keywords
shafts
tower
jacking structure
oct
relating
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
GB22914/51A
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.)
Lee C Moore Corp
Original Assignee
Lee C Moore Corp
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 Lee C Moore Corp filed Critical Lee C Moore Corp
Publication of GB710771A publication Critical patent/GB710771A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

710,771. Lifting jacks. MORRE CORPORATION, L. C. Oct. 2, 1951 [Oct. 7, 1950], No. 22914/51. Class 78 (3) The lifting screws in the tower jacking structure described in Specification 680,589 are driven synchronously by a power unit 66 located at the centre of the base of the tower and' operatively connected with the jack driving shafts 23 through shafts 78. The power unit is mounted on a detachable frame 60 which engages two of the lower girts 51 with hooks 62, said unit consisting of an air motor mounted vertically above a worm reduction gear operatively connected with shafts 78. These shafts are adjustable in length and each consists of a pair of splined rods 77 engaging a splined sleeve 78; set screws 79 being provided to retain the parts in their adjusted position.
GB22914/51A 1950-10-07 1951-10-02 Improvements in or relating to a driving mechanism for a tower jacking structure Expired GB710771A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US710771XA 1950-10-07 1950-10-07

Publications (1)

Publication Number Publication Date
GB710771A true GB710771A (en) 1954-06-16

Family

ID=22099099

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22914/51A Expired GB710771A (en) 1950-10-07 1951-10-02 Improvements in or relating to a driving mechanism for a tower jacking structure

Country Status (1)

Country Link
GB (1) GB710771A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113387283A (en) * 2021-07-08 2021-09-14 中建三局集团有限公司 Jacking sleeve frame for top plus-minus section tower crane and tower crane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113387283A (en) * 2021-07-08 2021-09-14 中建三局集团有限公司 Jacking sleeve frame for top plus-minus section tower crane and tower crane

Similar Documents

Publication Publication Date Title
GB691892A (en) Operating tables
GB891975A (en) Paving material spreader
GB710771A (en) Improvements in or relating to a driving mechanism for a tower jacking structure
GB1133636A (en) A lifting apparatus for patients
GB570034A (en) Improvements in elevators
GB1150183A (en) An Improved Pile Driving Crane.
GB780865A (en) Improvements in or relating to apparatus for grinding and/or polishing glass
GB760067A (en) Improvements in or connected with telescopically extensible towers
GB693738A (en) Improvements in and relating to tractor-borne power driven cutting tools
GB615929A (en) Improvements in and relating to a lifting device
US1503017A (en) Pointing machine
GB621020A (en) Improvements in or relating to apparatus for lifting vehicles
GB1212210A (en) Mine roof supports
GB508625A (en) Apparatus for drawing from the ground tubular moulds, piles and similar devices
GB820061A (en) Wind tunnel model support
CN207606491U (en) A kind of shaft coupling connection centralising device
GB1339247A (en) Two-column vehicle lifting apparatuses
GB859603A (en) Device for raising and lowering the wheel-houses of ships
GB746138A (en) Improvements relating to adjustable windows
GB608174A (en) Improvements relating to mixing machines
GB678500A (en) Machine movable in all directions for driving piles and the like
GB690707A (en) Improvements in or relating to jacking devices
GB643882A (en) Improvements in and relating to mast structures
GB627875A (en) Improvements in or relating to an engine foundation
GB535088A (en) Improved operating means for furnace doors and the like