NF F56-155-1978 Fixed railway installations Equipment for overhead telecommunication and signalling lines Stay tightener with reinforced eye 《铁路固定设备 通讯和信号装置架空线路用器材 带加强孔的固定拉紧器》.pdf

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NF F56-155-1978 Fixed railway installations Equipment for overhead telecommunication and signalling lines Stay tightener with reinforced eye 《铁路固定设备 通讯和信号装置架空线路用器材 带加强孔的固定拉紧器》.pdf_第1页
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1、cg r- u) u) d I A v) Li, Li, ii z Li, a NORME FRANAISE ENREGISTREE Matriel pour lignes ariennes de tlcommunications et de signalisation F 56-155 Tendeur lanterne il renforc I pour haubans souples I Septembre 1978 Dimensions en millimtres Tendeur lanterne il renforc, NF F 56-155 1. OBJET ET DOMAINE D

2、APPLICATION ST no 3 : acier AF 42-2 515 : ferrures 0.964.01 1 6 La prsente norme fixe les caractristiques des tendeurs lanterne il renforc pour haubans souples, utiliss pour le haubanage des appuis des lignes ariennes de tlcommunications et de signa- lisation ferroviaires. 2. DESIGNATION Un tendeur

3、lanterne il renforc pour haubans souples, conforme la prsente norme se dsigne : Tendeur lanterne il renforc, NF F 56-155 3. FABRICATI ON 3.1 Matire Lanterne et tiges : acier AF 42-2 suivant la norme NF A 33-101. 3.2 Revtement de protection Galvanisation chaud aprs usinage, suivant la publication UTE

4、 C66-400. La qualit minimale du zinc utiliser doit tre celle du type 27, suivant la norme NF A 55-101. 4. CARACTERISTI QU ES (voir au verso) 5. RE FERENCES Filetage, diamtre et pas gros, profil IS0 (Symbole M) . . . . . . . . . . . . . . . . NF E 03-014. COMMENTAIRES Renseignements particuliers la S

5、ocit Nationale des Chemins de fer Franais (S.N.C.F.). Toute demande de drogation doit tre prsente la Direction de lquipement, Division des Tl- communications par lintermdiaire du Service des Approvisionnements, Dpartement du Contrle des Fabrications. Spcification technique I Symbole dapprovisionneme

6、nt I Dsignation I - - - - Enregistre par dcision du 22 aot 1978 pour prendre effet le 15 septembre 1978 O AFNOR lor Tirage Reproduction interatre FIXED RAILWAY EQUIPMENT Material for telecommunication and signalling overhead lines Stay-tyghtener with reinforced eye Material fr Fernmelde-und Signalfr

7、eileitung Spannvorrichtung mit verstrktem Loch fr Wanttau ORTS FESTE BAH NAN LAG EN W 3032372 O309024 389 -2- AFNL NF F5b-355 78 NF F 56-155 4. CARACTERISTI QU ES 4.1 Dimensions et tolrances - masse Les dimensions et tolrances sappliquent aux pices galvanises, Lensemble comprend : - une lanterne (re

8、pre 1); - une tige filete droite il normal (repre 2); - une tige filete gauche il renforc (repre 3). Masse (1) : 2 kg (1) La valeur de la masse a t calcule en admettant pour lacier une masse volumique de 785 kg/dm3. Elle est donne titre indicatif, Coupe A-A - A - Tolrances des filetages - Lanternes

9、Les lanternes doivent tre tarau- intrieur, suprieurs denviron A 400 pm aux valeurs nominales, tels quelles se montent libre- 5: m,ent sur les tiges. - Tiges Tolrance du filetage avant rev- tement : 6 9. 4.2 Rsistance la traction Le tendeur lanterne dfini par la prsente norme doit rsister sans rupture un effort de traction de 7000 daN (2), dans les conditions dessai prescrites la commande. (2) Cette valeur correspond leffort maximal en service.

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