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File:American engineer and railroad journal (1893) (14575017327).jpg

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Identifier: americanengineer69newy (find matches)
Title: American engineer and railroad journal
Year: 1893 (1890s)
Authors:
Subjects: Railroad engineering Engineering Railroads Railroad cars
Publisher: New York : M.N. Forney
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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Text Appearing Before Image:
ced between the cross-tie timbers, are two cross-beams thathold the post of the crane in position. The whole space overthe top of the longitudinal beams and between the cross-tietimbers is blocked in, and to it is bolted the bearing casting atthe foot of the boom. This casting is 4 ft. 8 in. X 4 ft. 2 in.at the base, with a diameter of 3 ft. 11 in. at the bottom ofthe inclined bearing and a diameter of 3 ft. 3A in. at the top ofthe same. The post is 20 in. square at the top of the casting,aud is capped by a cast bearing piece over which a cast hoodis bolted and on which the boom rests. It is also strengthenedby a band of 3 in. X i in. wrought iron put on just belowthe cap. The foot of the boom sets in cast-iron pockets thatcarry the bearing rollers, which are of a conical shape audwork against the centre plate, as shown in the engraving. The sizes of the timbers used in the construction of thecrane are indicated by the letters on the engraving, and aregiven in the following schedule :
Text Appearing After Image:
7. < K < PS K=- O a Vol. LXIX, No. 8.) AND RAILROAD JOURNAL. 369 A 14 in. X Sin. B 13 In. X 4Uin. 0 91n. x4Win. D 0 in. X 4% In. E 18^1n.x4UIn 0 8)2 in. X4^in On the top of the piece I extending from the connection ofOto midway between Faad 0 a piece of if In. x 3j in. tintiron is bolted. The two pieces of the beam are held apart bysix separating pieces. A If in. (diameter) manilla rope is used that is given sevensupporting parts by means of a three-sheave block and fall.The winding drum has a diameter of 10 in. and a length be-tween flanges of 2 ft. It is upon the same shaft as the largegear-wheel shown in the engraving, and upon which thebrake-block is made to bear, just as it does in the wreckingcrane of the Philadelphia & Heading Railroad, that was illus-trated in our issue for April, 1895. This winding shaft is alsoprovided with two ratchet wheels with pawls fastened to theframing for sustaining the load. The large gear has a pitchdiameter of 4 ft. with

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https://www.flickr.com/photos/internetarchivebookimages/14575017327/

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Volume
InfoField
69
Flickr tags
InfoField
  • bookid:americanengineer69newy
  • bookyear:1893
  • bookdecade:1890
  • bookcentury:1800
  • booksubject:Railroad_engineering
  • booksubject:Engineering
  • booksubject:Railroads
  • booksubject:Railroad_cars
  • bookpublisher:New_York___M_N__Forney
  • bookcontributor:Carnegie_Library_of_Pittsburgh
  • booksponsor:Lyrasis_Members_and_Sloan_Foundation
  • bookleafnumber:379
  • bookcollection:carnegie_lib_pittsburgh
  • bookcollection:americana
Flickr posted date
InfoField
27 July 2014
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