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GB 12141-2008 English PDF

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GB 12141-2008: [GB/T 12141-2008] Safety code for material aerial ropeways
Status: Valid

GB 12141: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB 12141-2008729 Add to Cart 5 days [GB/T 12141-2008] Safety code for material aerial ropeways Valid
GB 12141-1989599 Add to Cart 4 days Safety code for material aerial ropeways Obsolete

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Basic data

Standard ID: GB 12141-2008 (GB12141-2008)
Description (Translated English): [GB/T 12141-2008] Safety code for material aerial ropeways
Sector / Industry: National Standard
Classification of Chinese Standard: J81
Classification of International Standard: 45.100
Word Count Estimation: 28,227
Date of Issue: 2008-12-11
Date of Implementation: 2009-07-01
Older Standard (superseded by this standard): GB 12141-1989; GB/T 15388.1-1994; GB/T 15388.2-1994
Regulation (derived from): Announcement of Newly Approved National Standards No. 21 of 2008 (No. 134 overall)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Chinese standard specifies the aerial ropeway design, manufacture, testing, use and management of other aspects of the basic safety requirements. This standard applies to circulating aerial cableway and reciprocating aerial ropeway. This standard does not apply to forestry skidder cable, other departments and combi cableway cableway simple and temporary erection of portable lifts.

GB 12141-2008: [GB/T 12141-2008] Safety code for material aerial ropeways

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Safety code for material aerial ropeways ICS 45.100 J81 National Standards of People's Republic of China Replacing GB 12141-1989, GB/T 15388.1 ~ 15388.2-1994 Freight ropeway safety norms Posted 2008-12-11 2009-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Basic Provisions 1 Rope 4 4 5 van 6 6 line 8 7 station house 11 8 Electrical 17 9 line protection facilities 18 Operations 19 10 11 signs and marking 22

Foreword

This standard 3.1.2,3.1.7,3.1.8,3.1.9,3.2.2,3.3.1,3.3.2,4.2.1 .1,4.2.2.1,4.2.2.2,4.3.5.1, 4.3.5.2,6.4.1.3,6.4.3.4,6.4.3.5,6.5.4,7.1.1,7.1.5, 7.1.6,7.1.12,7.3.6.2,7.4.1.4,7.4.3.5, 8.1.2 ~ 8.1.9,8.2.2,8.3.1,8.3.6,9.1.3,10.1.1,10.1.2,10. 3.5,10.3.8 mandatory, others are recommended Nature. This standard replaces GB 12141-1989 "freight ropeway safety norms", GB/T 15388.1-1994 "Double Circulating freight planes Empty cableway design specifications "and GB/T 15388.2-1994" singlet circulating aerial ropeway design specifications. " This standard and GB 12141-1989, GB/T 15388.1-1994, GB/T 15388.2-1994 compared to the main changes are as follows. --- Type Selection increase the cableway, ropeway design, equipment development, the basic principles of equipment factory (see 3.1.1,3.1.2); --- Increased use of load cable clamp blocks and anchor manner prescribed anchoring cylinder mode (see 4.3.5.1,4.3.5.2); --- Increase the wire rope maintenance, inspection, scrap, partial replacement, etc. (see 4.4, 4.5); --- Increasing the basic requirements of truck design (see 5.1.3); --- Increase the use of passenger ropeway tramway in the spring to hold the cable technical content (see 5.2.2.1); --- Increased circulating cableway and ropeway reciprocating line selection requirements (see 6.2.2,6.2.3); --- Increasing the basic provisions of the circuit design (see 6.3.1 ~ 6.3.5,6.3.7); --- Increased traction cable guide device requirements (see 6.4.2); --- Increased Torr (pressure) cable wheel design requirements (see 6.4.3); --- Modified stent design requirements (this version 6.5.4, GB/T 15388.1-1994 Version 10.2); --- Base stent design requirements were modified (this version 6.5.6, GB/T 15388.1-1994 Version 10.4); --- Increased stent anchor, lifting frame, repair platform design requirements (see 6.5.7,6.5.8); --- Increasing the station house design safety requirements (see 7.1.1,7.1.5,7.1.6,7.1.11,7.1.12); --- Increasing the drive station, automatic corner station, multi-segment driven circulating cableway intermediate drive station, carrying cable tension in the zone Location between station requirements (see 7.2.4 - 7.2.7); --- Increasing the loading station and unloading station silo effective volume requirements (see 7.3.3); --- Of friction drive slip safety content has been modified (Excerpts 7.4.1.8, GB/T 15388.1-1994 Version 6.2.1); --- For the content of the brake and a motor drive unit has been modified (Excerpts 7.4.1.10,7.4.1.11, GB/T 15388.1- 1994 Edition 6.2.2,6.2.3); --- Increased requirements for safety and equipment levels associated tensioning device (see 7.4.2.1,7.4.2.2,7.4.2.4); --- Increased disengaged with the hanging knot, designed content acceleration and deceleration devices means oblique saddles and other equipment (see 7.4.5 - 7.4.7); --- Added cableway power supply, signaling, control prescribed manner, shield and other aspects of the safety function (see 8.1); --- Electrical drag and increase control of safety requirements (see 8.2); --- Increased electrical protection and security requirements (see 8.3.3 - 8.3.7); --- Increasing the provision of electrical equipment operating and display color selection (see 8.4.8); --- Increases mine aspect cableway safety requirements (see 8.5.2 - 8.5.4); --- Change the setting conditions for line protection facilities (edition 9.1, GB/T 15388.1-1994 Version 9); --- Increased operational cableway basic requirements (see 10.1.2); --- Are required to increase the content of cableway operational positions and personal responsibility (see 10.2); --- Cableway increased daily, monthly, yearly inspections and regular and unscheduled inspection requirements (see 10.3.2 - 10.3.5); --- Increased the fixed grip monocable circulating ropeway cable periodically displaced provisions (see 10.3.9); --- Increased its skyline were channeling position requirements (see 10.3.10). This standard by the national ropeway, amusement and recreational facilities and Standardization Technical Committee centralized. This standard was drafted. Nonferrous Metallurgy Design and Research Institute in Kunming, China Nerin Engineering Co., Ltd., Changsha Nonferrous Metallurgy Design and Research Hospital, Ningxia Hengli Steel Wire Rope Co., Ltd. Tai'an City Wing ropeway engineering. The main drafters of this standard. Zhanghui Juan, Wang Hongmin, any macro states, LI Xue-wen, Chang kept fighting, Zhang Jian, Zhang Yong, Peng Cleveland, Guo Xiangdong, Su Xin Wen, Han Xiaoming, wearing a purple hole, Haixi Xu, Bai Yongfu, Hong Jinli, Liu Cai, Bai Wenhua. This standard replaces the standards previously issued as follows. --- GB 12141-1989; --- GB/T 15388.1-1994; --- GB/T 15388.2-1994. Freight ropeway safety norms

1 Scope

This standard specifies the basic safety requirements for cargo ropeway design, manufacture, testing, use and management aspects. This standard applies to circulating aerial cableway and ropeway reciprocating freight. This standard does not apply to forestry cableway skidding, simple lifts and goods passenger lifts in other sectors as well as portable lifts temporary erection.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB 8918 important uses rope (GB 8918-2006, ISO 3154. 1988, Strandedwireropesformine hoisting-Technicaldeliveryrequirements, MOD) GB/T 9075 cableway wire rope inspection and scrap specification GB/T 20118 General Purpose Wire Rope (GB/T 20118-2006, ISO /DIS2408.2002, Steelwireropesgeneral purposes-Minimumrequirements, MOD) GB 50007 Code for design of building foundation GB 50009 building structural load specifications GB 50010 Design of Concrete Structures Design of steel structures GB 50017 GB 50127 ropeway engineering technical specifications GB 50191 Code for seismic design of structures YB/T 5295 Sealing rope

3 Basic provisions

3.1 General provisions 3.1.1 tramway divided into. one-line circulating tramway, double circulating tramway, singlet Reciprocating Cargo, bilinear And other types of cargo cableway, ropeway choice of type should be based on construction conditions, technical conditions, after a comprehensive technical and economic comparison OK. 3.1.2 tramway design, equipment development should be technologically advanced, economical and reliable principle, when the device is manufactured according to relevant standards into Line inspection, the establishment of technical files and issue a certificate does not meet the design requirements of equipment, the factory is strictly prohibited. 3.1.3 Select cableway lines and sites, taking into account local climatic conditions, geographical conditions, environmental requirements, traffic conditions and funicular Factors across the building facilities. 3.1.4 corner corner station or device is not set cableway, its horizontal projection of the centerline of the line should be a straight line; corner with a corner station or device Horizontal projection of the line between the center lines of the cableway, the adjacent station house or devices should also be a straight line. 3.1.5 Work System 3.1.5.1 cableway system of work should be consistent with convergence of the enterprise system work the same. 3.1.5.2 On weekdays should comply with the relevant industries, but non-continuous duty ropeway not less than 290d; continuous duty ropeway inappropriate Greater than 330d. 3.1.5.3 Daily working hours shall meet the following requirements. --- A group of job should adopt 7.5h; --- Two-shift operation should adopt 14h; --- Three shifts should adopt 19.5h. 3.1.5.4 Transport imbalance factor should meet the following requirements. --- A group of job should adopt 1.1; --- Two-shift operation should be used 1.15; --- Three-shift operation should be adopted 1.2. 3.1.6 cableway need to run at night, the station should be located at a sufficient brightness lighting equipment, the station should be located Spotlights. 3.1.7 Each cableway station house should be equipped with appropriate fire-fighting facilities. 3.1.8 cableway should not overload operation. 3.1.9 truck manned strictly prohibited. 3.2 speed 3.2.1 cableway maximum operating speed of not more than specified in Table 1. Table 1 Type cableway maximum operating speed/(m/s) 4.5 monocable circulating tramway Double Circulating tramway 5.0 Singlet Reciprocating Cargo 6.0 8.0 bilinear tramway 3.2.2 cableway addition to normal operating speed, but also has a 0.3m/s ~ 0.5m/s speed maintenance. Clearance size 3.3 3.3.1 cableway across or through the facility, the minimum vertical clearance when the size of the area shall be in accordance with Table 2. Table 2 Crossing or crossing over or through the categories described clearance dimensions/m Protection of the bottom rail facilities away from the track surface Cableway road pavement from the bottom or the protection of facilities Overhead power lines Cableway wire from the top when crossing cableway Bottom protection facilities from power lines when crossing cableway Channel cableway bottom or from the top of the mast to protect network Shall comply with the relevant requirements of the national standards The bottom of the built structures or protect the facilities from the roof lifts 2.0 Forest logging ban bottom cableway from the highest point of 2.0 trees Non-machine bottom surface of arable farmland cableway from 3.0 The bottom of the piste ski lifts from the surface 3.5 Cableway from the bottom surface of arable farmland Machine 5.0 The bottom of the street, square or protect facilities from the ground cableway 5.0 The bottom of the sparsely populated area cableway from the ground or snow surface 3.0 No one at the bottom of the ropeway access from the ground surface or snow 2.0 Note 1. The bottom of the cableway refers to an empty truck or towing rope at the lowest static position between the cross-coupled dynamic value (5% or load cable carrying cable deflection Deflection 25%), subject to the lowest position. Note 2. The top cableway trucks that are not on the line, carrying rope or carrying cable tension increases up to the maximum static position across between 10 percent. Note 3. The cableway clearance dimensions across the fairway, and should be based on fifty years of the highest flood level shall prevail. 3.3.2 The minimum horizontal clearance size trucks and the inner and outer obstacles between, shall comply with the requirements of Table 3. Table 3 Name obstacle truck or rope swing case clearance dimensions/m No guide bracket trucks transverse swing 0.20rad 0.5 Guide means transverse scaffold truck swing 0.14rad 0.5 Parallel with the cableway Road Transport Skyline or the carrying cable or pulling rope maximum static deflection of 20% of the outer lateral pendulum 1.5 Parallel with the cableway Overhead power lines Skyline or the carrying cable or pulling rope maximum static deflection of 20% of the outer lateral swing is not less than the height of the pole Buildings, rocks Cableway wire placed outside the truck lateral 0.20rad, 0.2% increase in value plus the span of time greater than 300m 3.0 Carrying cable maximum static deflection of 10% of the lateral outer swing Plus fixed rope holding device placed outside the truck lateral 0.20rad 1.5 Carrying cable maximum static deflection of 10% of the lateral outer swing Plus detachable towing truck lateral hold - cable placed outside 0.35rad 1.0 Forest path Cableway wire placed outside the truck lateral 0.20rad, 0.2% increase in value plus the span of time greater than 300m 1.5 Carrying cable maximum static deflection of 10% of the lateral outer swing Plus fixed rope holding device placed outside the truck lateral 0.20rad 1.0 Carrying cable maximum static deflection of 10% of the lateral outer swing Plus detachable towing truck lateral hold - cable placed outside 0.35rad 0.5 Note. The span more than 0.2% increase in the value of 300m time refers to when the span is greater than 300m, the span increases every 100m, truck outward lateral longitudinal centerline Fixed 0.2m. 3.3.3 Cable from the cableway 3.3.3.1 ropeway cable should be taken away from the values specified in Table 4, according to a predetermined calibration table 3. Table 4 Cableway type truck volume/m3 from the cable/m Monocable circulating tramway 0.2 0.25 2.5 0.32 ~ 0.8 3.0 1.0 to 3.5 1.25 When the drive wheel diameter greater than 3.5m, cable length shall be equal to the diameter of the drive wheel Double Circulating tramway 0.5 1.0 3.0 1.25 ~ 1.6 3.5 2.0 to 2.5 4.0 3.3.3.2 When checking tramway cable distance should be selected midpoint position of the maximum span. 200Pa wind pressure at work, carrying heavy vehicle side Cable or trucks carrying cable and the outside should deflect the empty side of the skyline or the carrying cable and trucks should also skewed in the same direction, this time should not be empty then Heavy touch any part of the car side. 3.3.4 When the cable from the changes, or load cable carrying cable on the bracket horizontal force should not exceed 10% of the vertical pressure skyline or shipped Load cable to the frame horizontal angle should not exceed 0.005rad. 3.4 snow load 3.4.1 Calculation pressure 3.4.1.1 cableway runtime 200Pa, when the cable outage is 800Pa. 3.4.1.2 maximum wind speed is greater than 36m/s in the region, should take the local maximum pressure value. 3.4.2 shape coefficient should comply with the provisions of Table 5. Table 5 Name shape coefficient Sealing rope 1.2 Unsealed rope 1.3 Trucks 1.4 Torr pressure cable wheels 1.6 Tube-shaped bracket 1.2 Square tube and rolled profile bracket 2.0 3.4.3 When the span is greater than 400m, the length of the rope should withstand calculated wind formula (1). Where. 3.4.4 Ice, snow load current national norms should be implemented.

4 rope

4.1 Rope selection 4.1.1 cableway should be selected in line with GB 8918, YB/T 5295 requirements of the rope, can choose in line with GB/T 20118 requirements for steel Rope. 4.1.2 skyline wire rope should be used in sealing, the nominal tensile strength of not less than 1370MPa. 4.1.3 carrying cable and pulling cable should be used in line contact or surface contact with the band to twist the cord ply twisted rope, not less than the outer diameter of the wire 1.5mm, nominal tensile strength of not less than 1670MPa. Carrying cable and pulling cable working in a corrosive environment, the appropriate use of galvanized steel Rope. 4.1.4 balanced cable and auxiliary cable should be used in line contact or surface contact with the band to twist the cord ply twisted rope. Flat working in corrosive environments Heng cable and auxiliary cable, galvanized steel wire rope should be adopted. 4.1.5 tension cords should be used in good flexibility and crush resistant ply twisted rope, the nominal tensile strength of not more than 1770MPa. OK 4.2 rope parameters 4.2.1 tensile safety factor Tensile wire rope safety factors 4.2.1.1 variety of wire rope ie the minimum breaking tension and the maximum ratio of the tension rope work, not less than The values in Table 6. Table 6 Category rope safety factor 3.0 skyline Pulling cable, carrying cable, balanced Cable 4.5 Tension cords 5.0 3.3 Signal Cable 4.2.1.2 maximum working load cable tension should include. --- Carrying cable tension weight of gravity; when both ends of the anchor for the calculation of the starting point for the design of tension, and should be included in the effects of temperature changes. --- Load cable tension of cable resistance on the guide wheel. --- Changes in elevation caused by the carrying cable of gravity changes caused by the tension of the truck and at both ends of the anchor. --- Skyline in the saddle friction. 4.2.1.3 The maximum carrying cable tension work should include. --- The initial tension of the tensioning means; --- Carrying cable of the force of gravity and gravity wagons caused by the elevation; --- Each bracket Torr (pressure) resistance of the cable wheel group; --- Within the station running resistance related equipment; --- Hydraulic tensioner or tensioning weight means increasing the value of the tension (tension device tensioning weight range of not more than 3%, Negligible); --- For circulating cableway, ropeway included without Kai, inertial force when braking. 4.2.2 Relationship between the minimum wire rope tension and lateral load 4.2.2.1 Bearing Ratio initial tension cable tension ends with a single wheel of the maximum wheel pressure should be in accordance with Table 7. Table 7 Rope type ratio Skyline ≥60 ≥0.045 (N0) 1/2 requirements, N0 per year by the number of wheel load cable 4.2.2.2 The minimum ratio of rope tension and gravity heavy vehicles should be greater than the values in Table 8. Table 8 Rope type usage ratio Reciprocating cableway skyline Tensioning weight 10 Both ends of the anchor 8 Carrying cable Gravity alone holds cable and spring-loaded single cable or hold Hold port spacing of less than 2 rope from twisting spring double - cable lock Hold the cable saddle and hold the rope mouth a distance greater than 2 from twisting spring double lock cable 8 Connection with the end of a fixed rope 4.3 4.3.1 rope breaking force coupling member should be greater than Minimum breaking tension. 4.3.2 skyline in a tension zone, should adopt the entire root sealing rope. When the need to be connected, the line should be connected to the sleeve. connection Location away from the sleeve holder not less than 15m. 4.3.3 skyline connection with tension cords should be transitional sleeve connection. 4.3.4 carrying cable and pulling cable compilation collusion meet the following requirements. --- Splice should have experienced personnel splicing; --- Joint splicing rope length of not less than 1200 times the diameter of the rope; --- After splicing under tension, which is interposed between the splicing point diameter increase amount should exceed 6% of the actual diameter of the rope. 4.3.5 load cable anchor 4.3.5.1 Anchorage using the clamp block mode should meet the following requirements. --- Clamp block number should be calculated and determined; --- Should adopt a set of clamping block work, another set of double anchor block folder backup mode, the number of blocks should be the same two folders, two pieces of clip 5mm gap should be left between the observed; --- Breaking force associated connecting......
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