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GB 10395.23-2010: Agricultural and forestry machinery -- Safety -- Part 23: Silos stationary unloaders for round silos
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Basic data

Standard ID	GB 10395.23-2010 (GB10395.23-2010)
Description (Translated English)	Agricultural and forestry machinery -- Safety -- Part 23: Silos stationary unloaders for round silos
Sector / Industry	National Standard
Classification of Chinese Standard	B93
Classification of International Standard	65.040.20
Word Count Estimation	17,149
Date of Issue	2010-12-01
Date of Implementation	2011-10-01
Quoted Standard	GB 4208-2008; GB/T 5013.4-2008; GB 5226.1-2002; GB 10395.1-2009; GB 14048.4; GB 14048.5-2008; GB/T 15706.1-2007; GB/T 15706.2-2007; GB 16754; GB/T 16855.1-2008; GB 16895.27; GB/T 18831-2010; GB 23821-2009
Adopted Standard	EN 1374-2000, MOD
Regulation (derived from)	Announcement of Newly Approved National Standards No. 9, 2010 (No. 164 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 design, manufacture, installation, safety requirements and safety operation of the fixed circular silo used for unloading and similar fodder silage unloader (hereinafter referred to as"unloader"). This standard does not provide unloader moves when installing or removing pits the technical requirements. This standard applies to the upper surface layer in silage work speed electric silo unloader. This standard relates only to the risk generated by the unloaders, silo system itself does not involve the danger (for example: Generates dangerous gases).

GB 10395.23-2010: Agricultural and forestry machinery -- Safety -- Part 23: Silos stationary unloaders for round silos

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Agricultural and forestry machinery.Safety.Part 23. Silos stationary unloaders for round silos ICS 65.040.20 B93 National Standards of People's Republic of China Agricultural and forestry machinery safety Part 23. Fixed round silo unloader Part 23. Silosstationaryunloadersforroundsilos Issued on. 2010-12-01 2011-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

All technical content in this section is mandatory. GB 10395 "Forestry Machinery Safety" is divided into. --- Part 1. General; --- Part 2. Dump trailer; --- Part 3. manure applicator; --- Part 4. Forest winch; --- Part 5. driven garden equipment; --- Part 6. Equipment for crop protection; --- Part 7. Combine harvesters, forage and cotton harvesters; --- Part 8. Irrigation pumps and crew; --- Part 9. sowing, planting and fertilizing machinery; --- Part 10. hand (micro) tiller; --- Part 11. Power lawn mower; --- Part 12. Portable powered hedge trimmers; --- Part 13. - behind and hand-held lawn trimmers and lawn edge trimmers; --- Part 14. Powered Shredders and shredding machine; --- Part 15. power with rigid cutting means trimmer; --- Part 16. Potato harvester; --- Part 17. Beet harvesters; --- Part 18. traction winch sprinkler hose; --- 19 parts. center pivot irrigation machines, and translation; --- Part 20. pickup balers; --- Part 21. Power ted machines and rakes; --- Part 22. pre-loading device; --- Part 23. Fixed round silo unloader; --- Part 24. Liquid manure fertilization car; This section is GB 10395 "Agricultural and forestry machinery safety" Part 23, modify the use EN1374.2000 "Agricultural Machinery Stationary Round silo unloader security "(in English). This section according to EN1374.2000 redrafted. And EN1374.2000 is a technical difference. --- Cited international standards or European standards our standards, but our standard is not equivalent to international standards or European standards. For ease of use, this section of the EN1374.2000 made the following editorial changes. a) "The European Standard" to "this Part"; b) Remove EN1374.2000 Foreword and Introduction; c) modify the EN1374.2000 range; d) instead of as a decimal by decimal comma ",". ","; e) Remove the EN1374.2000 Annex ZA "of the standard and the European Directive EC relations." Appendix A of this section is normative appendix, Appendix B is an informative annex. This part is proposed by China Machinery Industry Federation. This part of the National Standardization Technical Committee (SAC/TC201) Agricultural machinery centralized. This section drafted by. Chinese Academy of Agricultural Mechanization Sciences, Chinese Academy of Agricultural Mechanization Sciences Hohhot branch. The main drafters of this section. Zhang Xian Sheng, Yang Tiejun, LI Xiu-rong, Chen Jun Po, Wong before entering, Lv Shusheng. Agricultural and forestry machinery safety Part 23. Fixed round silo unloader

1 Scope

GB 10395 of the provisions of this part of the design and manufacture of installation in stationary round silos for silage unloading and similar fodder Discharge machine (hereinafter referred to as "unloader") safety requirements, but also provides a type-safe operation of the information to be provided by the manufacturer. This section does not Provisions of unloading installation or removal of the technical requirements of the aspects of time-shifted cellar. This section applies to work on the surface layer of low-speed electric silage silo unloader. This section relates to the risk of locally generated only by the discharge does not involve the risk of self-generated silo system (for example. the generated gases Danger). This section does not consider environmental factors.

2 Normative references

The following documents contain provisions which, through reference in this Part of GB 10395, constitute provisions of this part. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB 4208-2008 housing protection (IP Code) (IEC 60529.2001, IDT) GB/T 5013.4-2008 rated voltage of 450/750V and below rubber insulated cables Part 4. Cords and flexible cables (IEC 60245-4.2004, IDT) GB 5226.1-2002 Safety of machinery electrical equipment Part 1. General requirements (IEC 60204-1.2000, IDT) GB 10395.1-2009 agriculture and forestry machinery - Safety - Part 1. General (ISO 4254-1.2008, MOD) GB 14048.4 low-voltage switchgear and control equipment, electromechanical contactors and motor starters (GB 14048.4-2003, IEC 60947-4-1.2000, IDT) GB 14048.5-2008 Low-voltage switchgear and control equipment Part 5-1. Control circuit devices and switching elements - Electromechanical Control circuit devices (IEC 60947-5-1.2003, MOD) GB/T 15706.1-2007 Safety of machinery - Basic concepts, general principles for design - Part 1. Basic terminology, methodology (ISO 12100- 1.2003, IDT) GB/T 15706.2-2007 Safety of machinery - Basic concepts, general principles for design - Part 2. Technical principles (ISO 12100-2. 2003, IDT) GB 16754 Safety of machinery - Emergency stop design principles (GB 16754-2008, ISO 13850.2006, IDT) GB/T 16855.1-2008 Safety of machinery - Safety-related control system components - Part 1. General principles for design (ISO 13849-1. 2006, IDT) Section 7 GB 16895.27 Electrical installations of buildings. Requirements for special installations or locations - Section 705. agricultural and horticultural facilities Electrical devices (GB 16895.27-2006, IEC 60364-7-705. 1984, IDT) Interlock design GB/T 18831-2010 mechanical belt guard and selection principles (ISO 14119.1998 and Amd.1.2007, MOD) GB 23821-2009 Safety of machinery - Safety distances to prevent danger zones being reached on the lower limbs (ISO 13857.2008, IDT)

3 Terms and Definitions

GB/T 15706.1 and GB/T 15706.2 and established the following terms and definitions apply to this section. 3.1 Silo unloader silounloader Circular cross-section from a fixed silo unloading silage machines. The machine is placed on the surface layer of the silage, the silage Feed unloading process (for example, through a chain or screw conveyor), silage cutter around the vertical axis. Chopped silage by blowing Sending machine is discharged from the silo. The maximum speed of the cutter is 5 °/s (silo unloader example see Appendix B). NOTE. silage from silo discharged while being chopped. In the process of filling the silo, silo unloaders can also be used for spreading silage. 3.2 Cutting arms cuttingarm Loading silage cutter discharge machine parts. 3.3 The drive roller driveroler On the upper surface of the silage movement, driven by the cutting arm about a vertical axis of rotation of the power roller silo. 3.4 Silage cutter silagecuttingtool Mounted on a chain or screw conveyor cutting and shredding tools for transporting silage. 3.5 Slip ring connectors slipringconnection Cutting arm with silo unloader non-rotating parts of the electrical connection means continuing to maintain movement.

4 Mechanical safety requirements

4.1 General Requirements Design unloader, the danger is not covered in this section should follow the GB/T 15706.1 principles and GB/T 15706.2 requirements. Subject to the provisions of this section, the unloader shall comply with GB 10395.1 and GB 23821-2009 Table 1, Table 3, Table 4 or 6 Provisions. 4.2 silage cutter and dangerous driving roller guard Forms in front of the cutting arm silage cutter entire length, rear and top should be protective [see Figure 1a)]. Front and rear anti The maximum vertical distance between the lower edge of the lower edge and silage cutter retaining device between the 125mm, silage cutter outer edge and the front Minimum level between the rear guard distance is 200mm. It should be able to guard radial adjustment to ensure that the gap between the end of the silo inner wall surface of the guard does not exceed 60mm (see Figure B.1). In addition, in the rear of the cutting arm blocking means (see GB/T 15706.1-2007 in 3.27) it should be located on the surface of the silage maximum distance Height 400mm, and the outer edge of the horizontal and silage cutter at a distance of not less than 300mm. Guards should be converted into the rear unloader comprises a silage cutter disposed on the surface of the hinge flap structure [see Figure 1b)]. Triggering device along the entire width of the cutting arm distribution (see GB/T 15706.1-2007 in 3.25.5) should be placed in each arm and the cutting drive The front portion of the roller (with respect to the direction of normal operation), in order to prevent the cutting arm and the driving roller beyond the operator. After triggering device operation should be rotated in 1 °/s Inside stopped. Edge triggering device should be installed above the maximum height of 200mm in from the silage cutter and silage cutter from the front and the drive roller Edge level at distance 300mm ~ 500mm. FIG triggering device should drive roller 2 is provided. Guards and triggering devices shall be able to withstand the horizontal force 600N and 900N vertical force. Test methods shall be GB 10395.1 Appendix B Provisions. Millimeters 1 --- working direction; 2 --- triggering device; 3 --- front guard; 4 --- top guard; 5 --- rear guard; 6 --- blocking means; 7 --- cutter; 8 --- silage. a) means silage cutter guard band barrier 1 --- working direction; 2 --- triggering device; 3 --- front guard; 4 --- top guard; 5 --- rear guard; 6 --- blocking means; 7 --- cutter; 8 --- silage; . 9 --- hinged flap. b) a hinged flap cutter protection silage Figure 1 silage cutter protection Millimeters 1 --- working direction; 2 --- triggering device; 3 --- the drive roller; 4 --- silage. Protection of the drive roller 2 If a non-rotating member unloader arm supported by the fixed silo wall, it should take the following measures to prevent extrusion (see Figure 3). --- Fixed arm and rotating the cutting arm from the top of at least 500mm; Next to the free edge of the cutter --- above the fixed arm by at least the height of 1250mm. Millimeters 1 --- the inner wall of the silo; 2 --- scaffold; 3 --- collecting ring; 4 --- cutting arms; 5 --- silage. Figure 3 requires non-rotating bracket 4.3 Manual operation means In the mounted drive roller unloader (see Figure B.1) cutting arm should be installed manually operable means (for example. a handle), to enable the operator to safely enter Line cutting arm manually remove the blockage. The device should be installed in front of the trigger device. Location 4.4 manually operated mechanism Manual control mechanism should be located away from the center of the cutting arm of the unloader arm rear right with respect to the normal operation of the cutting direction (see Figure B.1 and Figure B.2). Manual control mechanism should at least meet the following requirements. --- Can leveling chopping device; --- Can adjust the angle of the driving roller; --- Unloading height can be adjusted; --- Can adjust the movement speed; --- Having a drivetrain on/off (ON/OFF) position. 4.5 Protection drivetrain Inter leads the motor, blower and cutting arm at the entrance to the drivetrain applications fixed guards for protection. These guards should 4.2 meet specified strength requirements. 4.6 Control System The control system should at least be consistent with GB/T 16855.1-2008 provisions 6.2.2 Class 1 systems. Apply to this part of the "safety related control system" means the system includes a controller or from the initial position of the detector input To the final implementation of elements or components, such as. the electric motor. Associated with the machine control system security, including. ---start; --- Normal shutdown; --- Stop; --- Trigger device. Apply to this section in line with GB/T 16855.1-2008 the "After several rounds of verification" means. a) electrical components shall comply with the relevant standards, such as. Control auxiliary circuits --- GB 14048.5-2008 (part 3) specified use interlocking guards and relays A switch with positive opening operation for mechanically actuated position detector; --- GB 14048.4 predetermined main circuit using electromechanical contactors and motor starters. b) measures should be consistent with the first four electrical provisions in 9.4.2.1 of GB 5226.1-2002. Circuit should be "hard-wired." Electrical components do not Only been to meet the requirements of Class 1. c) mechanical components shall comply with GB/T 15706.2-2007 in 4.5. d) to guard mechanical actuator position sensor forced mode actuator and mounted/fixed and cam design/should be fixed Comply with GB/T 18831-2002 5.2 and 5.3. Interlock minimum e) with guard locking shall be consistent with GB/T 18831-2010 Table 1 Type 3 (open condition Lock type). 4.6.1 Start operating mechanism Unloading machine shall be equipped with. --- The main switch; --- Silo external start operating mechanism; --- Starting inside the silo operating mechanism (see section 4.4). Through a key switch should be the order of operations, so that the power supply line locked in the ON (ON) position, and may have one or the other starter Operating mechanism can be switched, but not both simultaneously turned on, for example. using the embedded key system GB/T 18831 requirements. Figure B.3 as a circuit wiring diagram example. 4.6.2 restart In the power-off and after unloading machine should not automatically restart (see 7.5 GB 5226.1-2002). Reset trigger device should not be Resulting in automatic restart. 4.6.3 stop operating mechanism External and internal silo operating position should be set to stop operating mechanism (device) in line with the provisions of GB 16754.

5 Electrical Safety Requirements

5.1 General Requirements Requirements should comply with the provisions of GB 5226.1. Electrical switch shall comply with the requirements of class 1 GB/T 16855.1-2008 prescribed. 5.2 Special Requirements 5.2.1 Electrical Hazard Protection For plug connector or slip ring should be provided in line with the provisions of GB 16895.27-2006 maximum rated operating residual current of 0.03A Residual current operated protective devices. 5.2.2 Enclosure protection Switch boxes, terminal connectors, junction box protection class should be at least in line with the provisions of GB 4208-2008 IP54, motor protection Level should be at least in line with the provisions of GB 4208-2008 IP44. 5.2.3 Cable Cables and external power supply silo unloader on the unloader to switch cables should be at least in line with GB/T 5013.4-2008 Provisions 60245IEC 66 (YCW) type rubber-sheathed cables. The cable should be protection so that it will not be damaged in use. Any cable is stretched shall be positioned and fixed to the cable or move Stretching will not cause persons in danger. Note. For example, when the draw is limited to gravity in a straight tube, then that requirement can be achieved.

6 Use Information

6.1 User's Guide Instructions shall be provided unloaders detailed instructions and information about all the operations, maintenance, safe use. Instructions should be consistent GB/T in 6.5 and 8.1 GB 10395.1-2009 provisions 15706.2-2007. The provisions of section 6.3 of the safety signs should be User guide explained. Special instructions for use shall include the following. A) before using the user unloader operator training requirements; Correctly adjust the position of the control mechanism during b) use, to ensure that the discharge machines are located on the surface layer of silage; c) supply line silo proper installation and use of information; d) silage cutter cleaning, sharpening, replacement information; e) Install safety devices; The method of removal and lifting devices f) unloader safe use, including lifting points unloaders and lashing points on the location and identification; g) information about suitable lifting device; h) test functions; i) before cleaning or maintenance operations need to stop unloading machine; j) operation of electrical equipment and electrical safety devices (such as. power switch); k) the use of personal protective equipment, especially the eyes and feet protective equipment; l) should provide adequate illumination device in the silo work; m) into the potential risks of the silo; n) is given according to the provisions of GB 10395.1 near unloader emission sound pressure level information. 6.2 mark Signs should be consistent GB/T 6.4 in 8.2, 8.3 and GB 10395.1-2009 provisions 15706.2-2007. All external silo unloader and shall include at least the following information to set clear and durable markings. --- Manufacturer's name and address; ---Year of manufacture; --- Product name or type of the model; --- Serial number, if any; Maximum allowable --- hydraulic or pneumatic device working pressure; Quality --- unloading machine, unloading machine if you install or transfer requires lifting device; --- Elevated position and mark points and lashing points. 6.3 Safety Signs On each silo unloaders and shall set the following clear and durable safety signs. 6.3.1 External silo safety signs Installation near the discharge machine manipulation device in the silo silage cutter should be set outside the potential hazards and dangerous to enter the silo Safety Signs. Safety signs Example. --- "Before removing the unloader off and lock the power switch"; --- "Before adjustment and maintenance of the power switch off (Off) position and locked"; --- "Before entering the silo open ventilation and adequate ventilation for some time." 6.3.2 Safety signs on the unloading machine Cutter movement dangerous safety signs.

Appendix A

(Normative) Dangerous List Table A.1 gives the list of dangerous based on GB/T 15706.1 and GB/T 15706.2 of. Different meanings set forth in the last column (solutions given by this section) of the table is. --- "Not relevant". the hazard is not a significant risk of the machine. --- "Given". the hazard is significant risk. Specify the terms given solution is determined according to GB/T 15706 General Security Disposal of hazardous guide; it means. ● eliminate or reduce the risk as much as possible through the design; ● take protective measures; ● provide information on residual risks. --- "Section and a". The major danger is the risk of multiple components of the machine. Solution The indicated terms given in disposable Wherein a portion of the risk of parts. The remaining parts of the hazard is a significant risk that the disposal will have to take the risk of Other solutions in this section does not give. --- "Not given". the hazard is significant risk to the machine, but in this part of the drafting process is not considered. Table A.1 List of Dangerous Danger Relevant provisions GB/T 15706.1 GB/T 15706.2 This section gives Solutions A.1 Mechanical hazards As indicated by the following elements of the workpiece or machine parts caused by. ---shape; ---relative position; --- Quality and stability (potential energy of each element); --- Quality and speed (kinetic energy of each element); --- Insufficient mechanical strength; --- Accumulation of potential energy caused by the following reasons. ● an elastic member (spring); ● liquid or gas under pressure; ● Vacuum 4.2 - - A.1.1 Risk of crushing 4.2.1,4.2.2 given in 4.2 4.1 A.1.2 cut dangerous 4.2.1,4.2.2 4.2,5.2.1 given in 4.1 A.1.3 cutting or severing hazard 4.2.1,4.2.2 given in 4.2 4.1 A.1.4 wound danger 4.2.1,4.2.2 - given in 4.1 A.1.5 risk of introduction or involvement 4.2.1 4.14,5.2.1,5.5.3 given in 4.1 A.1.6 Impact hazard 4.2.1 - given in 4.1 A.1.7 stab or stabbed hazard 4.2.1 - given in 4.1 A.1.8 friction or abrasion hazard 4.2.1 4.3b) not relevant A.1.9 high pressure fluid ejection hazard 4.2.1 - Irrelevant A.1.10 (machinery and workpiece/workpiece) member projection hazard 4.2.2 4.10 uncorrelated Table A.1 (CONTINUED) Danger Relevant provisions GB/T 15706.1 GB/T 15706.2 This section gives Solutions A.1.11 (mechanical or machine parts) are given in unstable 4.2.2 4.6 6.1 A.1.12 And machinery which (due to the machine's characteristics) of slip, and dumping Fall risk 4.10 5.5.6 given in 6.1 A.2 Electrical Hazard For example caused by the following factors. 4.3 4.9 - A.2.1 4.3 electrical contact (direct or indirect) - are given in 5.2.1 A.2.2 4.3 electrostatic phenomena - given in 5.2.1 A.2.3 Thermal radiation or other phenomena such as short-circuit, overload, etc. Molten particles and chemical effects caused by injection 4.3 - Irrelevant A.2.4 Effect of external electrical equipment 4.3 4.4 In 5.2.1,5.2.2 Given A.3 Thermal hazards resulting in. 4.4 4.8.4 - A.3.1 By flames or explosions that people can contact heat radiation Burns and scalds 4.4 - Irrelevant A.3.2 due to heat or cold working environment on the health hazards of 4.4 - Irrelevant A.4 Dangerous due to noise resulting in. 4.5 4.8.4 - A.4.1 Hearing loss (deafness), other physiological disorders (such as loss Balance, loss of consciousness) 4.5 - Irrelevant A.4.2 interference language communication, auditory signals, etc. 4.5 - Irrelevant A.5 Hazard generated by the vibration (leading to various nerves and blood vessels disease) 4.6 4.8.4 irrelevant A.6 Produced by the radiation danger Especially caused by the following factors. 4.7 - - A.6.1 arc - - irrelevant A.6.2 Laser - - irrelevant A.6.3 ion source radiation 4.7 - is not given A.6.4 machines use high frequency electromagnetic field - - irrelevant A.7 Mechanical processing, use or discharge of materials and substances Dangers arising E.g. 4.8 4.3b) - A.7.1 Since the liquid contact or inhalation of harmful gases, fumes and Danger caused by dust 4.8 - are given in 6.3.1 Table A.1 (CONTINUED) Danger Relevant provisions GB/T 15706.1 GB/T 15706.2 This section gives Solutions A.7.2 fire or explosion hazard 4.8 - is not given A.7.3 biological and microbiological (germs or bacteria) 4.8 danger - not given A.8 Machine design efficiency by neglecting ergonomic principles to produce Danger (mechanical and human features and capabilities of uncoordinated) As caused by the following factors. 4.9 4.8 - A.8.1 unhealthy excessive force posture or 4.9 4.8.2,4.8.5 given in 4.2 A.8.2 inappropriate to consider a human arm or legs structure 4.9 4.8.3 irrelevant A.8.3 ignore the use of personal protective equipment 5.5 - 6.1 are given in A.8.4 inappropriate Face Lighting - 4.8.6 are given in 6.1 A.8.5 spirit too much tension or lack of preparation, etc. 4.9 4.8.5 irrelevant A.8.6 Human error is given in 4.9 4.8 4.2 A.9 dangers combination 4.11 - Irrelevant A.10 As energy failure, damage or other mechanical parts so the function Danger barrier generated E.g. 5.3b) 4 - A.10.1 energy (energy and/or control circuit) 3.30 4.11.1 Failure In the 4.2,5.2.3 Given A.10.2 mechanical parts or fluids unexpected projectile - 4.10,5 irrelevant A.10.3 Failure of control system failures (unexpected start, accident Overcurrent) 3.29,3.30,3.31 4.11.1 is given in 4.6.2 A.10.4 assembly error - - given in 6.1 A.10.5 topples over, an unexpected loss of stability 4.2.2 4.6 - A.11 Due to security measures erroneous or incorrect positioning produce danger E.g. - 5 - A.11.1 all kinds of protective devices is given in 3.25 5.3 4.1 A.11.2 all kinds of safety (protective) device is given in 3.26 5.3 4.1 A.11.3 starting and stopping device - 4.11.1 In 4.2,4.4,4.6 Given A.11.4 safety signs and signaling devices - 4.8.8,6.2,6.3, 6.4 Given in 6.3 A.11.5 types of information or warning device - given in 6.4 6.3 A.11.6 energy cutting device - 5.5.4 are given in 4.6 A.11.7 emergency stop device - 5.5 are given in 4.6.3 A.11.8 workpiece feeding/withdrawal measures - 4.14 unrelated A.11.9 security adjustments and/or maintenance of major equipment and accessories 3.3,5.3a) 4.7,4.15,5.5.5, 4.11.12 Given in 6.1 A.11.10 exhaust, etc. - - irrelevant

Appendix B

(Informative) Example of the structure on the surface discharge machines 1 --- blower; 2 --- counterweight; 3 --- steering mechanism; 4 --- motor; 5 --- collecting ring; 6 --- handle; 7 --- contact roller; 8 --- cutting arms; . 9 --- cutter; 10 --- drive roller. Figure B.1 having contact roller unloader structure side vents, and a horizontal d...

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