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本文(BS ISO 7967-3-2010 en_8259 Reciprocating internal combustion engines Vocabulary of components and systems Valves camshaft drives and actuating mechanisms《往复式内燃机.零部件和系统词汇.阀门 凸轮轴驱动轮和调节装置》.pdf)为本站会员(proposalcash356)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

BS ISO 7967-3-2010 en_8259 Reciprocating internal combustion engines Vocabulary of components and systems Valves camshaft drives and actuating mechanisms《往复式内燃机.零部件和系统词汇.阀门 凸轮轴驱动轮和调节装置》.pdf

1、raising standards worldwide NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BSI Standards Publication BS ISO 7967-3:2010 Reciprocating internal combustion engines Vocabulary of components and systems Part 3: Valves, camshaft drives and actuating mechanismsBS ISO 7967-3:2010 BR

2、ITISH STANDARD National foreword This British Standard is the UK implementation of ISO 7967-3:2010. It supersedes BS 7016-3:1988 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee MCE/14, RIC engines. A list of organizations represented on this committee

3、 can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. BSI 2010 ISBN 978 0 580 58698 9 ICS 01.040.27; 27.020 Compliance with a British Standard cannot confer immunity fr

4、om legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2010. Amendments issued since publication Date Text affectedBS ISO 7967-3:2010Reference number ISO 7967-3:2010(E) ISO 2010INTERNATIONAL STANDARD ISO 7967-3 Seco

5、nd edition 2010-08-15 Reciprocating internal combustion engines Vocabulary of components and systems Part 3: Valves, camshaft drives and actuating mechanisms Moteurs alternatifs combustion interne Vocabulaire des composants et des systmes Partie 3: Soupapes, arbres cames et mcanismes de commande BS

6、ISO 7967-3:2010 ISO 7967-3:2010(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the

7、editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can

8、 be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat

9、 at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO 2010 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing fro

10、m either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2010 All rights reservedBS ISO 7967-3:201

11、0 ISO 7967-3:2010(E) ISO 2010 All rights reserved iiiForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. E

12、ach member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the Internati

13、onal Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standa

14、rds adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject

15、 of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 7967-3 was prepared by Technical Committee ISO/TC 70, Internal combustion engines. This second edition cancels and replaces the first edition (ISO 7967-3:1987), which has been technically revised.

16、 ISO 7967 consists of the following parts, under the general title Reciprocating internal combustion engines Vocabulary of components and systems: Part 1: Structure and external covers Part 2: Main running gear Part 3: Valves, camshaft drive and actuating mechanisms Part 4: Pressure charging and air

17、/exhaust gas ducting systems Part 5: Cooling systems Part 6: Lubricating systems Part 7: Governing systems Part 8: Starting systems Part 9: Control and monitoring systems BS ISO 7967-3:2010BS ISO 7967-3:2010 INTERNATIONAL STANDARD ISO 7967-3:2010(E) ISO 2010 All rights reserved 1Reciprocating intern

18、al combustion engines Vocabulary of components and systems Part 3: Valves, camshaft drives and actuating mechanisms 1 Scope This part of ISO 7967 defines terms relating to the valves, camshaft drive and actuating mechanisms of reciprocating internal combustion engines. ISO 2710-1 gives a classificat

19、ion of reciprocating internal combustion engines and defines basic terms of such engines, their working and characteristics. 2 Definitions 2.1 Camshaft N Term Definition Illustration 2.1.1 camshaft shaft incorporating cams which control the events of the working cycle (e.g. valve opening and closing

20、 timings, injection or ignition) 2.1.2 one-piece camshaft camshaft where cams and shaft are of one piece2.1.3 assembled camshaft camshaft where cams and flanges are fitted onto the shaft 2.1.4 cam component by which valves or fuel injection pumps etc. are operated BS ISO 7967-3:2010 ISO 7967-3:2010(

21、E) 2 ISO 2010 All rights reserved2.2 Camshaft drive N Term Definition Illustration 2.2.1 camshaft drive mechanism by which the camshaft is rotated 2.2.2 gear drive crankshaft-to-camshaft drive by means of a series of gears 2.2.3 chain drive crankshaft-to-camshaft drive by means of sprocket wheels an

22、d timing chain 2.2.4 sprocket wheel wheel that drives or is driven by the timing chain 2.2.5 timing chain component to transmit movement from the crankshaft to the camshaft 2.2.6 chain tension adjuster assembly mechanism to compensate for the increase in length resulting from chain wear, using a ten

23、sioning wheel or a slide rail NOTE Actuation is by spring or hydraulic mechanism. 2.2.7 tensioning wheel wheel pressed against the chain to adjust its tension 2.2.8 slide rail rail pressed against the chain to adjust its tension 2.2.9 slide bars pair of components to absorb vibrations and to guide t

24、he chain 2.2.10 guide wheel wheel to guide the chain 2.2.5 2.2.4 2.2.9 2.2.4 2.2.7 2.2.9 2.2.10 2.262.2.11 synchronous belt drive crankshaft-to-camshaft drive by means of synchronous belt pulleys and belt BS ISO 7967-3:2010 ISO 7967-3:2010(E) ISO 2010 All rights reserved 3N Term Definition Illustrat

25、ion 2.2.12 synchronous belt pulley pulley that has teeth to mesh with the teeth of a synchronous belt 2.2.13 synchronous belt elastic endless toothed belt 2.2.14 belt tensioner mechanism to adjust tension in the belt 2.2.15 tensioning pulley pulley pressed against the belt to adjust its tension 2.2.

26、12 2.2.13 2.2.15 2.2.12 2.2.142.3 Valves N Term Definition Illustration 2.3.1 valve poppet valve component consisting of stem, head and face (seat) which allows combustion gases to enter or leave the cylinder BS ISO 7967-3:2010 ISO 7967-3:2010(E) 4 ISO 2010 All rights reservedN Term Definition Illus

27、tration 2.3.2 inlet valve valve by which a fresh charge is admitted into the engine combustion chamber 2.3.3 exhaust valve valve by which the exhaust gases are discharged from the engine combustion chamber 2.3.4 valve spring retainer component used to hold the valve spring and to transmit spring for

28、ce to the valve stem 2.3.5 valve collet valve key valve lock pair of components that hold the valve spring retainer on the valve stem 2.3.6 valve spring washer washer that prevents damage to the cylinder head 2.3.7 valve spring spring that closes the valve 2.3.8 valve guide component that guides the

29、 valve 2.3.9 valve seat insert replaceable valve seat in the cylinder head 2.3.10 valve stem seal seal between valve stem and valve guide located at the upper and/or lower end of the valve guide to prevent oil entering into cylinder head 2.3.5 2.3.4 2.3.7 2.3.10 2.3.6 2.3.8 2.3.9 2.3.2/2.3.32.3.11 v

30、alve cage component separate from the cylinder head into which the valve is fitted NOTE Cooled valve cages have the additional notation “cooled”. BS ISO 7967-3:2010 ISO 7967-3:2010(E) ISO 2010 All rights reserved 52.4 Actuating mechanism N Term Definition Illustration 2.4.1 actuating mechanism compo

31、nents used to convert the rotary motion of the cam to the reciprocating motion of valves and fuel pumps 2.4.2 tappet device that bears on the cam and slides in a guide to transmit reciprocating motion 2.4.3 sliding tappet flat-faced tappet in sliding contact with the cam 2.4.4 roller tappet tappet t

32、hat carries a roller that runs in contact with the cam BS ISO 7967-3:2010 ISO 7967-3:2010(E) 6 ISO 2010 All rights reservedN Term Definition Illustration 2.4.5 tappet roller part of the roller tappet that is used to transfer cam stroke to the tappet 2.4.6 tappet guide component to guide the tappet 2

33、.4.6 2.4.52.4.7 cam follower lever that bears on the cam and transmits reciprocating motion 2.4.8 cam follower shaft shaft about which the cam follower pivots 2.4.9 cam follower bracket bracket that carries the cam follower 2.4.10 thrust cup part of the cam follower or the rocker arm subjected to pu

34、sh-rod pressure 2.4.7 2.4.10 2.4.9 2.4.82.4.11 push-rod rod that transmits motion from the tappet or cam follower to the rocker arm 2.4.12 rocker arm rocker components used to reverse push-rod movement 2.4.13 valve adjuster screw to adjust valve clearance 2.4.12 2.4.13 2.4.11BS ISO 7967-3:2010 ISO 7

35、967-3:2010(E) ISO 2010 All rights reserved 7N Term Definition Illustration 2.4.14 rocker arm bracket rocker arm pedestal component that supports the rocker arm 2.4.15 rocker arm shaft component on which the rocker arm pivots 2.4.15 2.4.14 2.4.142.4.16 valve bridge bridge piece component operating tw

36、o or more valves from a single force 2.4.162.4.17 valve rotator mechanism that rotates the valve Alphabetic index Term Clause actuating mechanism 2.4.1 adjuster, valve 2.4.13 arm, rocker 2.4.12 assembled camshaft 2.1.3 assembly, chain tension adjuster 2.2.6 bar, slide 2.2.9 belt tensioner 2.2.14 bel

37、t, synchronous 2.2.13 BS ISO 7967-3:2010 ISO 7967-3:2010(E) 8 ISO 2010 All rights reservedTerm Clause bracket, cam follower 2.4.9 bracket, rocker arm 2.4.14 bridge piece 2.4.16 bridge, valve 2.4.16 cage, valve 2.3.11 cam 2.1.4 cam follower 2.4.7 cam follower bracket 2.4.9 cam follower shaft 2.4.8 ca

38、mshaft 2.1.1 camshaft drive 2.2.1 camshaft, assembled 2.1.3 camshaft, one-piece 2.1.2 chain drive 2.2.3 chain tension adjuster assembly 2.2.6 chain, timing 2.2.5 collet, valve 2.3.5 cup, thrust 2.4.10 drive, camshaft 2.2.1 drive, chain 2.2.3 drive, gear 2.2.2 drive, synchronous belt 2.2.11 exhaust v

39、alve 2.3.3 follower, cam 2.4.7 gear drive 2.2.2 guide wheel 2.2.10 guide, tappet 2.4.6 guide, valve 2.3.8 inlet valve 2.3.2 key, valve 2.3.5 lock, valve 2.3.5 mechanism, actuating 2.4.1 one-piece camshaft 2.1.2 pedestal, rocker arm 2.4.14 poppet valve 2.3.1 pulley, synchronous belt 2.2.12 pulley, te

40、nsioning 2.2.15 push-rod 2.4.11 BS ISO 7967-3:2010 ISO 7967-3:2010(E) ISO 2010 All rights reserved 9Term Clause rail, slide 2.2.8 retainer, valve spring 2.3.4 rocker 2.4.12 rocker arm 2.4.12 rocker arm bracket 2.4.14 rocker arm pedestal 2.4.14 rocker arm shaft 2.4.15 roller tappet 2.4.4 rotator, val

41、ve 2.4.17 seal, valve stem 2.3.10 seat, valve 2.3.9 shaft, cam follower 2.4.8 shaft, rocker arm 2.4.15 slide bar 2.2.9 slide rail 2.2.8 sliding tappet 2.4.3 spring, valve 2.3.7 sprocket wheel 2.2.4 synchronous belt 2.2.13 synchronous belt drive 2.2.11 synchronous belt pulley 2.2.12 tappet 2.4.2 tapp

42、et guide 2.4.6 tappet roller 2.4.5 tappet, roller 2.4.4 tappet, sliding 2.4.3 tensioner, belt 2.2.14 tensioning pulley 2.2.15 tensioning wheel 2.2.7 thrust cup 2.4.10 timing chain 2.2.5 valve adjuster 2.4.13 valve bridge 2.4.16 valve cage 2.3.11 valve collet 2.3.5 valve guide 2.3.8 valve key 2.3.5 v

43、alve lock 2.3.5 BS ISO 7967-3:2010 ISO 7967-3:2010(E) 10 ISO 2010 All rights reservedTerm Clause valve rotator 2.4.17 valve seat 2.3.9 valve spring 2.3.7 valve spring retainer 2.3.4 valve spring washer 2.3.6 valve stem seal 2.3.10 valve, exhaust 2.3.3 valve, inlet 2.3.2 valve, poppet 2.3.1 washer, v

44、alve spring 2.3.6 wheel, guide 2.2.10 wheel, sprocket 2.2.4 wheel, tensioning 2.2.7 BS ISO 7967-3:2010 ISO 7967-3:2010(E) ISO 2010 All rights reserved 11Bibliography 1 ISO 2710-1, Reciprocating internal combustion engines Vocabulary Part 1: Terms for engine design and operation BS ISO 7967-3:2010 IS

45、O 7967-3:2010(E) ICS 01.040.27; 27.020 Price based on 10 pages ISO 2010 All rights reserved This page deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, information and services. It presents the UK view on

46、 standards in Europe and at the international level. It is incorporated by Royal Charter. British Standards Institution (BSI) raising standards worldwide BSI Group Headquarters 389 Chiswick High Road London W4 4AL UK Tel +44 (0)20 8996 9001 Fax +44 (0)20 8996 7001 British Standards are updated by a

47、mendment or revision. Users of British Stan- dards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and serv- ices. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Sta

48、ndard would inform the Secretary of the technical com- mittee responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001 BSI offers Members an individual updating service called PLUS which ensures that subscribers automatically receiv

49、e the latest editions of standards. Tel: +44 (0)20 8996 7669 Fax: +44 (0)20 8996 7001 Email: Buying standards You may buy PDF and hard copy versions of standards directly using a credit card from the BSI Shop on the website In addition all orders for BSI, international and foreign standards publications can be addressed to BSI Customer Services. Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001 E

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