1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 12325-1:1999 The Eu
2、ropean Standard EN 12325-1:1998 has the status of a British Standard ICS 65.060.35 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Irrigation techniques Centre pivot and moving lateral systems Part 1: Presentation of the technical characteristicsThis British Standard, having b
3、een prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 May 1999 BSI 05-1999 ISBN 0 580 32046 4 BS EN 12325-1:1999 Amendments issued since publication Amd. No. Date Text affected National foreword
4、This British Standard is the English language version of EN 12325-1:1998. The UK participation in its preparation was entrusted to Technical Committee AGE/30, Irrigation and drainage equipment, which has the responsibility to: aid enquirers to understand the text; present to the responsible European
5、 committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross
6、-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic
7、 Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This documen
8、t comprises a front cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover.CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1998 CEN All rights of exploitat
9、ion in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12325-1:1998 E EUROPEAN STANDARD EN 12325-1 NORME EUROPE ENNE EUROPA ISCHE NORM December 1998 ICS 65.060.35 Descriptors: irrigation, agricultural equipment, water supply, gudgeons, characteristics, structures,
10、transmission system, electrical properties, hydraulic properties English version Irrigation techniques Centre pivot and moving lateral systems Part 1: Presentation of the technical characteristics Techniques dirrigation Installations avec pivots et rampes frontales Partie 1: Pre sentation des charac
11、te ristiques techniques Bewa sserungsverfahren Kreis- und Linearberegnungsmaschinen Teil 1: Angabe technischer Kennwerte This European Standard was approved by CEN on 28 November 1998. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving
12、 this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official version
13、s (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cze
14、ch Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.Page 2 EN 12325-1:1998 BSI 05-1999 Foreword This European Standard has been prepared by Technical Committee CEN/TC 334, Irrigation
15、 techniques, the Secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 1999, and conflicting national standards shall be withdrawn at the latest by June 1999.
16、 Within its work programme, CEN/TC 334 requested Working Group CEN/TC 334/WG 2, Centre pivot and moving laterals, to prepare the following standard: prEN 12325-1, Irrigation techniques Centre pivot and moving lateral systems Part 1: Presentation of the technical characteristics. The other parts of t
17、his standard are: prEN 12325-2, Irrigation techniques Centre pivot and moving lateral systems Part 2: Minimum performances and technical characteristics. prEN 12325-3, Irrigation techniques Centre pivot and moving lateral systems Part 3: Terminology and classification. prEN ISO 11545, Agricultural i
18、rrigation equipment Centre-pivot and moving lateral irrigation machines with sprayer or sprinkler nozzles Determination of uniformity of water distribution. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this
19、European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Definitions and units 3
20、 4 General characteristics 3 5 Characteristics of the structure 3 5.1 Joint dimensional and construction characteristics 3 5.2 Particularities of the different pivot types 5 5.3 Particularities of moving laterals 5 5.4 Particularities of mixed pivots-laterals 5 5.5 Anticorrosion protection 6 6 Chara
21、cteristics of the kinetic chain 6 6.1 Electromechanical drive 6 6.2 Other type of advancing chain 6 6.3 Wheels 6 6.4 Maximum speed 6 7 Coupling between spans 7 7.1 Nature 7 7.2 Maximum angles between adjacent spans 7 7.3 Alignment devices 7 8 Characteristics of the electrical equipment 7 8.1 General
22、 safety 7 8.2 Main control panel 7 8.3 Collector ring 7 8.4 Electric cables 7 8.5 Alignment box 7 9 Sprinkler characteristics 8 9.1 Sprinkler characteristics 8 9.2 End gun 8 9.3 Example of presentation of nozzle programme 8 9.4 Table doses/settings 8 10 Hydraulic characteristics 9 11 Recapitulatory
23、table 9Page 3 EN 12325-1:1998 BSI 05-1999 1 Scope This part of prEN 12325 gives the technical characteristics of the different components elements of fixed or movable pivot and moving lateral systems to be specified by the supplier: general characteristics (structures, advancing, electrical equipmen
24、t), hydraulic characteristics and sprinkler characteristics. This standard can be used as a presentation guideline for machine characteristics when replying to a call for tenders or when making delivery to the customer. 2 Normative references This European Standard incorporates by dated or undated r
25、eference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incor
26、porated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 909:1998, Agricultural and forestry machinery Centre pivot and moving lateral types irrigation machines Safety. prEN 12325-3, Irrigation techniques Centre pivot and moving lat
27、eral systems Part 3: Terminology and classification. EN 60034-5:1987, Rotating electrical machines Part 5: Classification of degrees of protection provided by enclosures for rotating machinery. EN 60439-5:1996, Low-voltage switchgear and controlgear assemblies Part 5: Particular requirements for ass
28、emblies intended to be installed outdoors in public places Cable distribution cabinets (CDCs) for power distribution in networks. EN 60529:1992, Degrees of protection provided by enclosures (IP Code). EN 60811-4-1:1996, Insulating and sheathing materials of electric cables Common test methods Part 4
29、: Methods specific to polyethylene and polypropylene compounds Section 1: Resistance to environmental stress cracking Wrappping test after thermal ageing in air Measurement of the melt flow index Carbon black and/or mineral content measurement in PE. CENELEC HD 384-7-705 S1, Electrical installations
30、 of buildings Part 7: Requirements for special installations or locations Section 705: Electrical installations of agricultural and horticultural premises. (IEC 364-7-705:1984, modified) 3 Definitions and units For the purposes of this standard the definitions and units of prEN 12325-3 apply. 4 Gene
31、ral characteristics It is a question of specifying at least: a) trade mark; b) model; c) type: 1) centre pivot (fixed); 2) moving lateral; 3) movable pivot (self-propelled, towable); 4) mixed pivot-lateral. 5 Characteristics of the structure 5.1 Joint dimensional and construction characteristics 5.1
32、.1 Towers and spans All the dimensional characteristics of towers and spans shall be presented in a table as the one shown in Table 1. Each line corresponding to a span. The following technical characteristics shall be precised: a) pipe material; b) first spans length b in metres; from the pivot axi
33、s to the first wheels axis (Figure 1b); c) lengths of the other spans c: distances between the axes of the wheel (Figure 1c) in metres; d) mass of the span when full and empty, in kilograms; e) clearance height d under span (Figure 1d)i n metres; f) maximum height e of the span (Figure 1e)i n metres
34、; g) outlet spacing distance (in metres) and size (in millimetres) and thread type; h) average and minimum wall thickness and outside diameter of the pipe in metres; i) draining devices span; j) distance of the most distant wheels track from the central point of pivot f (Figure 1f) in metres; k) tot
35、al length j of the machine (Figure 1j) in metres.Page 4 EN 12325-1:1998 BSI 05-1999 Scheme of a centre pivot Different karts or control tower of a moving lateral d e Free height under structure, in metres Maximum height of the spans, in metres a b c 1 c 2 Height of the connection of the first span t
36、aken at the elbow axis, in metres Length of the first span, in metres Length of the second spans, in metres Length of the third spans, in metres f g h Distance from central point of pivot or kart to the last wheels axis, in metres Extra length added by the overhang including all the equipments, in m
37、etres Maximum height of the overhang and its support, in metres c n Length of n-th spans, in metres I j Free height under overhang, in metres Total length of the machine, in metres Figure 1 Principle diagram and dimensions of a centre pivot or moving lateral structures Table 1 Example of presentatio
38、n of the tower and span dimensional characteristics Spans n8 Length m Mass kg Height m Spacing distance between ports m Diameter of the pipe mm One span b or c 1 or c 2 or c n Cumulated spans b + c 1 + c 2 + c n Full of water Empty Clearance d or i Maximum e or hPage 5 EN 12325-1:1998 BSI 05-1999 5.
39、1.2 Overhang a) length of the overhang g (Figure 1g) in metres; b) maximum height of the overhang support device h (Figure 1h) in metres; c) free height under overhang i (Figure 1i)i n metres; d) draining device. 5.1.3 Special end devices a) folding span (corner system); b) retractable overhang; c)
40、total system length j (Figure 1j) in metres. This information is to be presented as indicated in the table below. 5.2 Particularities of the different pivot types 5.2.1 General It is to precise the specificities of each machine type. 5.2.2 Central unit a) plan and dimensions of flagstone and foundat
41、ions in metres and in cubic metres; b) nature and dimensions of anchorage; c) water inlet: 1) type of coupler and dimensions in millimetres; 2) height from the soil in metres; d) height of the first span a connection to elbow axis in metres (Figure 1a); e) pivot elbow connection: articulated or not;
42、 f) vertical pipe: 1) outside diameter in millimetres; 2) thickness in millimetres; 3) water tightness: gasket flexible or rigid coupling-sleeve; g) presence of a collector ring: yes/no; h) presence, position and diameter in millimetres: 1) of an injection port: yes/no; 2) of a pressure port: yes/no
43、; 3) of a head valve: yes/no, linked to the control panel: yes/no; 4) of a counting device: yes/no, working principle. 5.2.3 Particularities of movable pivots a) fixation of the central point of pivot: nature of anchorage; b) displacement: 1) self-propelled: automation yes/no, guiding type; 2) towab
44、le: direction and direction of movements; c) coupling system to water supply, semi-automatic or manual; d) energy supply system. 5.3 Particularities of moving laterals a) types of possible runs: back and forth, pivoting; b) type of water supply: 1) flexible pipe: material; dimensions: length in metr
45、es, thickness in millimetres; resistance to abrasion and pulling; type of coupler; radius of curvature in metres; minimum and maximum pressure in kilopascals; linear mass when full of water in kilograms; 2) canal: pumping system: direct; with floater; with movable lock; other; c) filtration device;
46、d) type of energy supply: 1) electrical generator: steady state power in kilowatts; autonomy in hours; 2) cable: section in square millimetres; number of wires; protection against abrasion; insulation of connectors; e) position: 1) of supply unit (energy and water); 2) of control unit; f) number of
47、wheels and driving wheels of the supply unit (energy and water); g) guiding mode. 5.4 Particularities of mixed pivots-laterals It is sufficient to take the different points detailed in 5.2 and 5.3, since these machines operate according to both.Page 6 EN 12325-1:1998 BSI 05-1999 5.5 Anticorrosion pr
48、otection Anticorrosion protection shall be presented in a table as the one shown in Table 2. This table shall be given by the constructor and shall specify the conformity to the different existing standards. Table 2 Example of presentation of the anticorrosion protection characteristics of the diffe
49、rent components Parts Nature of the protection Thickness of the protection mm Standards used Central unit Exterior of pipes Interior of pipes Frame Towers Motors, reducing gears Wheel rims 6 Characteristics of the kinetic chain 6.1 Electromechanical drive 6.1.1 Gear motor 6.1.1.1 Motor The motors characteristics shall be presented in a table as the one shown in Table 3. Table 3 Example of presentation of the characteristics of the motors Motors charac
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