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This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard replaces JB/T 2960-1999 Aisle stacking crane - Types and basic parameters and JB/T 7016-1993 Rail guided stacker crane - Technical conditions, and the following main technical changes have been made with respect to JB/T 2960-1999 and JB/T 7016-1993:
——The application scope is modified (see Clause 1; Clause 1 of JB/T 7016-1993);
——The types and codes are deleted (see Clause 2 of JB/T 2960-1999);
——The basic parameters and their series are deleted (see Clause 3 of JB/T 2960-1999);
——The clause “Terms and definitions” is added (see Clause 3);
——The basic composition is added (see Clause 5);
——The inspection rules are modified (see Clause 8; Clause 5 of JB/T 7016-1993);
——The warranty period is deleted (see Clause 7 of JB/T 7016-1993).
This standard was proposed by the China Machinery Industry Federation.
This standard is under jurisdiction of SAC/TC 499 National Technical Committee on Logistics and Warehousing Equipment of Standardization Administration of China.
The previous editions of this standard are as follows:
——JB 2960-1981 and JB/T 2960-1999;
——JB/T 7016-1993.
Storage/retrieval machine
1 Scope
This standard specifies the terms and definitions, basic parameters, basic composition, technical requirements, test methods, inspection rules, and marking, packaging, transportation and storage of storage/retrieval machine.
This standard is applicable to storage/retrieval machines used in storage and retrieval warehouses (hereinafter referred to as "S/R machines").
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 699-2015 Quality carbon structure steels
GB/T 700-2006 Carbon structural steels
GB/T 1231 Specifications of high strength bolts with large hexagon head, large hexagon nuts, plain washers for steel structures
GB/T 1243 Short-pitch transmission precision roller and bush chains, attachments and associated chain sprockets
GB/T 3077 Alloy structure steels
GB/T 3098.1 Mechanical properties of fasteners - Bolts, screws and studs
GB/T 3098.2 Mechanical properties of fasteners - Nuts
GB/T 3323-2005 Radiographic examination of fusion welded joints in metallic materials
GB/T 3632 Sets of torshear type high strength bolt hexagon nut and plain washer for steel structures
GB 5226.1 Electrical safety of machinery - Electrical equipment of machines - Part 1: General requirements
GB/T 6074 Leaf chains clevises and sheaves - Dimensions, measuring forces and tensile strengths
GB/T 6417.1 Classification and explanation of imperfections in fusion welded joints
GB/T 8918 Steel wire ropes for important purposes
GB/T 8923.1-2011 Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings
GB/T 9286-1998 Paints and varnishes - Cross cut test for films
GB/T 9439-2010 Grey iron castings
GB/T 10095.1-2008 Cylindrical gears - System of accuracy - Part 1: Definitions and allowable values of deviations relevant to corresponding flanks of gear teeth
GB/T 10095.2-2008 Cylindrical gears - System of accuracy - Part 2: Definitions and allowable values of deviations relevant to radial composite deviations and runout information
GB/T 10096-1988 Accuracy of rack
GB/T 11352-2009 Carbon steel castings for general engineering purpose
GB/T 13306 Plates
GB/T 13384 General specifications for packing of mechanical and electrical product
GB 50254 Code for construction and acceptance of low-voltage apparatus－Electric equipment installation engineering
GB 50256 Code for construction and acceptance of electric device of crane electrical equipment installation engineering
JB/T 5319.1 Storage/retrieval machine - Vocabulary
JB/T 5323-2017 High bay welded steel rack - Specifications
JB/T 6392-2008 Rail wheels for crane
JB/T 9005.1 Casting sheaves for cranes - Groove profiles
JB/T 9005.2 Casting sheaves for cranes - Selected series and matching of diameters
JB/T 9005.10-1999 Casting sheaves for cranes - Technical requirements
JB/T 9006-2013 Drums for cranes
JB/T 9018-2011 Automated storage and retrieval system - Design rules
JB/T 11269-2011 Storage/retrieval machine - Safety code
JB/T 11270-2011 Assembled steel rack structure for high-bay warehouse - Technical requirements
3 Terms and definitions
For the purposes of this document, the terms and definitions given in JB/T 5319.1 and the following apply.
3.1
axes
x: the axis which is along the aisle direction and parallel to the traveling direction of S/R machine (see Figure 1)
y: the direction of gravitational acceleration, which is parallel to the lifting/lowering direction of S/R machine (see Figure 1)
z: the axis which is perpendicular to the aisle direction and parallel to the shuttle telescoping direction of S/R machine (see Figure 1)
Figure 1
3.2
load handling device
components on the carriage used to carry load units to complete storage and retrieval
Note: They include retractable shuttle, fixture and suctorial cup, etc.
3.3
coordinate positioning
S/R machine is positioned by preset global coordinates
3.4
location fine positioning
the S/R machine detects the positioning points on the rack by using its own sensors and then automatically adjusts the positions in x and y directions to realize positioning
4 Basic parameters
The basic parameters of S/R machine include rated capacity and speed, which shall be in accordance with those specified in JB/T 9018-2011.
5 Basic composition
5.1 Lower beam
The lower beam refers to the beam at the lower part of S/R machine, which is equipped with mast, travel mechanism, wheelsets, lower horizontal guiding wheels, clamps and other components (see Figure 2).
Keys:
1——lower beam; 2——travelling guiding runways; 3——upper beam;
4——mast; 5——carriage; 6——load handling device;
7——lifting guiding runways; 8——hoisting mechanism; 9——travelling runways;
10——travel mechanism.
Figure 2
5.2 Mast
The mast refers to the vertical column structural member that supports the carriage and the load on it, and is equipped with the S/R machine components such as the upper beam and the hoisting mechanism (see Figure 2).
5.3 Upper beam
The upper beam refers to the beam at the upper part of S/R machine, which is equipped with fixed sheave block, upper horizontal guiding wheels, clamps and other components (see Figure 2).
5.4 Carriage
The carriage refers to the structural member that carries load up and down along the lifting guiding runways (see Figure 2).
5.5 Travel mechanism
The travel mechanism refers to the mechanism that makes the S/R machine travel horizontally (see Figure 2).
5.6 Hoisting mechanism
The hoisting mechanism refers to the mechanism that makes the carriage travel vertically (see Figure 2).
5.7 Load handling device
The load handling device refers to the components (including retractable shuttle, fixture, suctorial cup, etc.) on the carriage used to carry load units to complete storage and retrieval (see Figure 2).
5.8 Runways
The guiding runways of S/R machine include:
a) travelling runways (see Figure 2);
b) travelling guiding runways (see Figure 2);
c) lifting guiding runways (see Figure 2).
5.9 Control system
The control system refers to the electrical equipment and software system used to control the S/R machine to complete various actions.
5.10 Others
Other auxiliary equipment, such as safety ladders.
6 Technical requirements
6.1 General requirements
6.1.1 Working conditions of S/R machine
6.1.1.1 The ambient temperature is -5℃~40℃.
6.1.1.2 At 40℃, the relative humidity shall not be more than 50%. When the temperature is low, the relative humidity may be appropriately increased, but not more than 85%. The S/R machine shall be free from condensation.
6.1.1.3 The S/R machine shall be provided with three-phase AC power supply, with a frequency of 50Hz and a voltage of 380V. The permissible deviation of frequency fluctuation is ±1Hz, and that of voltage fluctuation is ±10% at peak current.
6.1.1.4 The altitude shall not be greater than 1,000m.
6.1.1.5 The runways installation of S/R machine shall be in accordance with those specified in JB/T 11270-2011, 4.4.2 and JB/T 5323-2017, 4.6.1.
Note: If the working conditions exceed the above specified scope, the user shall negotiate with the manufacturer to determine them.
6.1.2 Materials
6.1.2.1 Where the important components (including upper beam, lower beam, mast, carriage and hoisting mechanism) of S/R machine are made of steel, their materials shall be selected with the mechanical properties not inferior to Q235-B specified in GB/T 700-2006.
6.1.2.2 The materials of main parts (such as wheels, gears, sheaves, drums and shuttles) shall be determined according to their functional requirements. Selection principle: the iron castings shall be selected with the mechanical properties not inferior to HT200 specified in GB/T 9439-2010, the steel castings shall be selected with the mechanical properties not inferior to ZG 230-450 specified in GB/T 11352-2009, and the forgings shall be selected with the mechanical properties not inferior to 45# steel specified in GB/T 699-2015.
6.1.3 Welding
6.1.3.1 There shall be no obvious defects visible by visual inspection specified in GB/T 6417.1 on the outside of welds.
6.1.3.2 The quality grade of butt welds at the main stress positions of important components shall not be lower than Grade II specified in GB/T 3323-2005.
6.1.4 General parts and components
6.1.4.1 Hoisting wire rope
6.1.4.1.1 The steel wire rope adopted shall be laid steel wire rope specified in GB/T 8918.
6.1.4.1.2 The steel wire rope shall be made of at least 114 steel wire rope strands. The tensile strength of steel wire ranges from 1,570N/mm2 to 1,960N/mm2.
6.1.4.1.3 Safety factor of steel wire rope: it shall not be less than 5 when there is no lifting cabin and shall not be less than 9 when there is a lifting cabin.
6.1.4.2 Chains and sprockets
6.1.4.2.1 The chains shall generally be the short-pitch transmission precision roller chains specified in GB/T 1243 or the leaf chains specified in GB/T 6074.
6.1.4.2.2 The tooth profile and tolerance of sprockets shall be in accordance with those specified in GB/T 1243.
6.1.4.2.3 The gear teeth and grooves of the sprockets shall not have surface defects that can cause damage to the chains.
6.1.4.2.4 All moving chains and sprockets shall be easy to lubricate.
6.1.4.2.5 Safety factor of lifting chain: it shall not be less than 5 when there is no lifting cabin and shall not be less than 10 when there is a lifting cabin.
6.1.4.3 Bumper
For the S/R machine with the forced speed limit device, the bumper shall be selected according to the actual maximum speed that may occur after the forced deceleration (but not less than 70% of the rated speed); for the S/R machine without forced speed limit device, the bumper shall be selected according to 100% of the rated speed.
6.1.4.4 Materials of sets of high-strength bolts and pins
The materials of high-strength bolts, nuts and washers shall be in accordance with those specified in GB/T 1231 or GB/T 3632. The materials of torshear type high-strength bolts larger than M24 and sets of high-strength bolts larger than M30 shall be in accordance with those specified in GB/T 3098.1 and GB/T 3098.2. In addition to the materials of sets of bolts conforming to GB/T 1231, 40Cr for Grade 8.8 and 35CrMo and 42CrMo for Grade 10.9 or above specified in GB/T 3077 may also be adopted.
The main bearing materials for the connecting pin should be 45# steel conforming to GB/T 699-2015 and 40Cr, 35CrMo and 42CrMo steel conforming to GB/T 3077, and shall be subjected to necessary heat treatment.
6.1.5 Surface coating
6.1.5.1 Surface derusting treatment shall be carried out before coating, and the surface derusting quality grade shall reach Grade Sa2 or St2 as specified in GB/T 8923.1-2011.
6.1.5.2 The adhesion of paint film shall not be less than Grade 2 quality requirements specified in GB/T 9286-1998.
6.1.6 Safety signs
Safety signs should be coated on both sides of the carriage. Safety signs are tilted paint lines which are yellow and black. The yellow and black lines are equal in width, which generally is 100mm. According to the size of the machine and the position of the safety sign, different widths of lines may be used. On the smaller surface, there shall be no less than two lines of each color. The tilted lines are generally at an angle of 45° to the horizontal plane. The oblique direction of the yellow and black lines is symmetrical with the centerline of the machine as the symmetry axis.
6.2 Manufacturing and installation requirements
6.2.1 Metal structural members
6.2.1.1 The lifting guiding runways of S/R machine are allowed to be welded by sections. After assembly, there shall be no clearance at the joint of the guiding runways, and the flatness error of each surface shall not be greater than 0.1mm within the measured length of 100mm.
6.2.1.2 After assembly of the lifting guiding runways and mast of S/R machine, they shall meet the following requirements:
a) the tolerance of straightness and symmetry of guiding runways of single mast is 2mm, and the limit deviation of the outer distance A between two guiding runways is ±1mm, as shown in Figure 3;
b) the straightness tolerance of the guiding runways of double masts is 2mm, and the position tolerance between the centerlines of the guiding runways and those of the masts is ±1mm, as shown in Figure 4;
Foreword II
1 Scope
2 Normative references
3 Terms and definitions
4 Basic parameters
5 Basic composition
5.1 Lower beam
5.2 Mast
5.3 Upper beam
5.4 Carriage
5.5 Travel mechanism
5.6 Hoisting mechanism
5.7 Load handling device
5.8 Runways
5.9 Control system
5.10 Others
6 Technical requirements
6.1 General requirements
6.2 Manufacturing and installation requirements
6.3 Performance requirements
7 Test methods
7.1 Preparation before test
7.2 Test instruments and test loads
7.3 Working performance test of shuttle
7.4 Traveling performance test
7.5 Lifting/lowering performance test of carriage
7.6 Static load test
7.7 Dynamic load test
7.8 Static stiffness test
7.9 Safety performance test
7.10 Determination of noise
7.11 Operation performance test
7.12 Evaluation on availability
8 Inspection rules
8.1 End-of-manufacturing inspection
8.2 Type inspection
9 Marking, packaging, transportation and storage
