1、STD=BSI BS EN 12325-L-ENGL 1999 I lb24bL9 0785133 553 BRITISH STANDARD Irrigation techniques - Centre pivot and moving lateral systems - Part 1: Presentation of the technical characteristics The European Standard EN 123251:1998 has the status of a British Standard !CS 65.060.35 BS EN 1232 5- 1: 1999
2、 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 12325-k1999 direction of the Engineering Amd. No. Date Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 May 1999 O BSI 05-1999 National foreword Text affected This
3、British Standard is the English language version of EN 123251:1998. The UK participation in its preparation was entrusted to Technical Committee AGEBO, Inrigation and drajnage equipment, which has the responsibility to: - aid enquirers to understand the text; - present to the responsible European co
4、mmittee any enquiries on the - monitor related international and European developments and promulgate interpretation, or proposals for change, and keep the TJK interests informed; theminthem A list of organizations represented on this committee can be obtained on request to its secretmy. Cross-refer
5、ences The British Standards which implement intemational or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “Internaional Standards Correspondence Index“, or by using the “Find“ facility of the BSI Standards Electronic Catalog
6、ue. A British Standard does not purport to include all the necessary provisions of a contract. Users of Britkh 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 document compris
7、es a fiont cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover. ISBN O 580 32046 4 I I STDOBSI BS EN L2325-L-ENGL 1977 W Lb24bb9 0785135 32b ENROPEAN STANDARD NORME EUROPENNE EUROP- NOFtM EN 12325-1 December 1998 Descriptors: imgation, agricultural equipment, water supply,
8、 gudgeons, characteristics, structures, transmission system, electrical properties, hydraulic properties won techniques - Centre pivot and moving lateral systems - Part 1: Presentation of the technical charack*a Techniques dirrigation - InstaMions avec pivots et rampes hntales - Phe 1: prsentation d
9、es cMMque tchniques technischer Kennwerte Ekwsserungsv- - Kreis- und Linearberegnungsmaschinen - Teil 1: Angabe This European Standard was approved by CEN on 28 November 1998. CEN members are bound to comply wih the CENKENELEC Internal Regulations which stipulate the conditions for giving this Europ
10、ean Standard the status of a national standard without any aiteration. Uptodate lists and bibiiographical references conceming such national standards may be obtained on application to the Centrai Secretariat or to any CEN member. This European Standard exists in three official versions (English, Fr
11、ench, 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 Centrai Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, D
12、enmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerhd and United Kingdom. CEN European Committee for Standardization Comit Europen de Nonnalion Europisches Komitee fur Normung Centrai Secretariat: rue de Stassart 36, B-
13、1050 Brussels O 1998 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 123251:1998 E STD=BSI BS EN 12325-L-ENGL 1999 Lb211bb9 078513b 2b2 W Page 2 EN 12325-1:1998 Foreword This European Standard has been prepared by Technical Commitk
14、e CEN/TC 334, Irngation techniques, the Secretariat of which is held by AFNOR. This European Standard shall be given the status of a donai standard, either by publication of an identical text or by endorsement, at the latest by June 1999, and conflictjng wonal standards shall be withdrawn at the lat
15、est by June 1999. Within its work programme, CENITC 334 requested Working Group CEN/TC 334/WG 2, Centre pivot and moving laterals, to prepare the following standard prEN 123251, Irrigation techniques - Centre pivot and moving lateml sgstems - Part 1: Presentation of the technical chamtensth. The oth
16、er parts of this standard are: prEN 123252, Irrigation techniques - Centre pivot and mnring lateml systems - Part 2: Minimum nces and technical chamteristicS. prEN 12325-3, Irrigation techniques - Centre pivot and moving lateral systems - Part 3: Tmimlogy and cassif%cat.ion. prEN Is0 11545, AS.mcult
17、uml irrigation equipment - Centre-pivot and mowing lateml irrigation machines with sprayer or sprinlrler 1zozZles - Determination of un?ulacr requirements for assemblies intended to be installed outdoors in public phes - Cabe distribution cabinets (CDCs) for power distribution in networks. EN 605291
18、992, Degrees of protection provided by enclosures (P Code). EN 6081141:1996, Insulating and skuthing materials of electric cables - Common test methods - Part 4: Methods specific to polyethylene and polypropylene cmpoun. - Section 1: Resistance to environmental stress cracking - Wrappping test after
19、 thermal ageing in arir- Measurement of th melt Jlw index - Carbon black ador mineral content measurement in PE. buildings - Part iT. Requirements for sped instullotians or locations - Section 705: Electrid instauations of agmcultural and hortdtural premises. (IEC 364-7-705: 1984, modified) EN 60034
20、41987, Rotating electrical Whines - CENELEC HD 384-7-705 S1, Electrical inH.dhtions Of Page 3 EN 1232 cl type: 1) centre pivot (fixed); 2) moving lateral, 3) movable pivot (self-propelled, towable); 4) mixed pivot-lateral 5 Charac*tics of the structure 6.1 Joint dimensional and construction characte
21、ristics 6.1.1 Towers and spans Au the dimensional characteristics of towers and spans shall be presented in a table as the one shown in Mle 1. Each line corresponding to a span. The following technica characteristics shall be precised: a) pipe material; b) first spans length b in metres; from the pi
22、vot axis to the first wheels axis (Figure lb); c) lengths of the other spans c: distances between the axes of the wheel (Figure lc) in metres; d) mass of the span when full and empw, in e) clearance height d under span (Figure Id) in metres; f) maximum height e of the span (Figure le) in metres; g)
23、outlet spacing distance (i metres) and size (i 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 CFigUre 18 in metres; k) total lenmj
24、 of the machine (Figure 137 in metses. kilograms; O BSI 05-1999 STD-BSI BS EN 12325-L-ENGL 1993 9 1b2qbb9 0785138 035 M Spans no Page 4 EN 12325-1:1998 Length Mass Height Spacing Diameter m kg m distance of the pipe Onespan Cumulated Nlofwater Empty Clearance Maximum ? between ports b or c1 or cp sp
25、a d or i e or h or c, b + c1 + cp + c, m mm F b o I b + 8 Scheme of a centre pivot Different karts or control tower of a moving lateral a Height of the connection of the first span taken at the elbow axis, in metres b Length of the fmt span, in metres cl Length of the second spans, in metres cp Leng
26、th of the third spans, in metres c, Length of n-th spans, in metres d Free height under structure, in metres e Maximum height of the spans, in metres f Distance from central point of pivot or kart to the last wheel?s axis, in metres g Extra length added by the overhang including aii the equipments,
27、in metres h Maximum height of the overhang and its support, in metres I Free height under overhang, in metres j Total length of the machine, in metres Figure 1 - Principle diagram and dimensions of a centre pivot or moving lateral structures O BSI 051999 STD-BSI BS EN 32325-L-ENGL 1999 D lb2Vbb9 078
28、5339 T7L = 6.1.2 Overhung a) length of the overhang g (Figure 19) in metres; b) maximum height of the overhang support device h (Figure lh) in metres; c) free height under overhang i (Figure li) in metres; d) drainjng device. 6.1.3 Special end devices a) folding span (corner system); b) retractable
29、overhang c) totai system lengthj (Figure lj in metres. This information is to be presented as indicated in the table below. 6.2 Particularities of the different pivot types 6.2.1 General It is to precise the specificities of each machine type. 6.2.2 Central unit a) plan and dimensions of flagstone a
30、nd foundations 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 metses (Fgure la); e) pivot elbow connection: articulated
31、 or not; f) vertical pipe: 1) outside diameter in millimetres; 2) thickness in milhetres; 3) water tightness: gasket flexible or rigid coupling-sleeve; g) presence of a collector ring: yeshio; h) presence, position and diameter in millimetres: 1) of an iqjection port yedno; 2) of a pressure port yes
32、ho; 3) of a head valve: yes/no, linked to the control panel: yedno; 4) of a counting device: yedno, working principle. 6.2.3 Particularities of movable pivots a) furation of the central point of pivot nature of anchorage; b) displacement 1) self-propelled: automation yedno, guiding type; 2) towable:
33、 direction and direction of movements; c) coupling system to water supply, semi-automatic or manual; d) energy supply system. Page 6 EN 12326-1:1998 6.3 Particdarities of moving laterals a) types of possible runs back and forth, pivoting b) type of water supply 1) flexible pipe: - maierial, - imensi
34、ons: length in metres, thickness in milmetreq - resistance to abrasion and puling - type of coupler; - raius of curvature in metres; - minimum and maximum pressure in - linear mass when full of water in kilograms; - pumping system: direct; with floater; with movable lock; otheq c) filtration device;
35、 d) type of energy supply: 1) electrical generator: kilopascals, 2) canal: - steady state power in kilowatts; - autonomy in hours; - section in square millimetres; - number of wires; - protection against abrasion; - insulation of connectors; 2) cable: e) position: 1) of supply unit (energy and water
36、); 2) of control unit; f) number of wheels and driving wheels of the supply unit (energy and water); g) guiding mode. 6.4 Particularities of mixed pivots-laterais It is sufficient to take the Merent points detailed in 6.2 and 6.3, since these machines operate according to both. O BSI 05-1999 STD-BSI
37、 BS EN 12325-1-ENGL 1779 Lb24bb9 0765140 773 M Motors characteristics Frequency in Hz Page 6 EN 12326-1:1998 Value and/or standards 6.6 Anticorrosion protection Anticorrosion protection shall be presented in a table as the one shown in Wle 2. This table shal be given by the constructor and shaii spe
38、cify the conformity to I the Merent existing standards. Table 2 - Example of presentation of the anticorrosion protection characteristics of the different components Nature of Thickness Standards protection protection parts 1 the 1 or 1 used Centrai unit Exterior of pipes I I I interior of pipes Fra
39、me Motors, reducing Wheel rims 6 Characteristics of the kinetic chah 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. Voltage in V Starting intensityNomina intensity in A Permissible number of starts per
40、minute Rad power for this number of starts inKw Degree of protection (IF) see EN 60034-5 Rotation speed in rotations per minute cos Earthing 6.1.1.2 Gear motor reduction gear a) principle: worm screw, cylindrical gear, others; b) reduction ration; c) lubrification type: 1) oil expansion chamber, 2)
41、life lubrication; 3) volume and type of lubricant (SAE: Society of Automotive Engineers) needed. 6.1.2 Wheel gear box a) principle: worm screw, cylindrical gear, others; b) dual or single input; c) reduction ratio; d) lubrication type: 1) oil expansion chamber, 2) life lubrication; 3) volume and typ
42、e of lubricant (SAE: Society of Automotive engineers) needed 6.1.3 knsmission a) principle; b) maximum allowable torque in newton metses; c) safety, protection (according to EN W1998). a) motor type; b) reduction or regulation; c) transmission. a) maximum diameter allowed in centimelxes; b) number o
43、f wheels per toweq 6.2 Other type of advancing chain 6.3 Wheels c) rims. 1) diameter in centimelxes, thickness in miliimetres, protection; 1) loading index and number of the ply rating 2) dimensions in centimetres; 3) infiation pressure in kilopascals, 4) nature: new, remould; 5) tube: yedno; d) tyr
44、es: e) other systems: tracks, skids, metal wheels (description, dimensions). 6.4 Maximum speed For the last tower and the driving tower if existing in metres per hour. O BSI O51999 STD=BSI BS EN 12325-1-ENGL 1777 = 1624bb7 07851ii1 b2T = 7 Coupling between spans 7.1 Nature 7.1.1 Mechanical coupling
45、a) type of coupling; b) position: inside or outside the pipe. a) rubber coupler, b) metallic coupler with seal or sleeves; c) others. 7.2 Maximum angies between adjacent SPS a) maximum angle allowed in a vertical plan in degrees; b) allowed torsion angle in degrees; c) maximum ailowed slope in perce
46、ntages. 7.1.2 Hydraulic coupling 7.3 Alignment devices a) type: 1) cams; 2) cables; 3) others. 8 Characteristics of the electrical equipment 8.1 General safety a) electrical compliance b) electrical hazard indicator panel c) nature and position of externai operating indicator. (CENELEC HD 384-7-7-70
47、5Sl); (CENELEC HD 384-7-705S1); 8.2 Main control panel 8.2.1 Box a) construction materiai; b) lock system, c) electrical degree of protection (IP) see EN 60439-5, EN 60529, EN 6081141; d) type of outside isolating switch e) double door with automatic power cut off when open: yedno. a) differential v
48、oltage relay or dety switch yedno; b) fuses: yedno, size; c) forwardhackward switch 1) manual: yesno; 2) automatic: yedno; 8.2.2 Equipment included in the control panel Page 7 EN 1232 e) spee control possibilities (cycle meter): 1) potentiometric or numeric; 2) cycle duration; 3) nature of the contr
49、ol in percentages, in metres per hour, in millimetres .; 4) precision of the controk f) 3 phase voltmeter yeshio. a) low pressure stopping device: yedno; b) stop in line device: yedno; c) safety on the last tower in case of stopping or slipping: yedno; d) auto starting temporized device: yedno; e) hour meter y f) an electrical security signailing device: y g) defective tower detedor. yedno; h) auto-reverse device: y d) position with regard of pivot elbow; e) height from the soil in metres. 8.2.3 her sqfety and piloting aid devices 8.3
