1、IIL-H-2813B = 9999906 L98bci2L LbT /INCH-POUNDI MIL-H-2813B 17 August 1994 SUPERSEDING 28 March 1956 (See 6.11) MIL-H-2813A MILITARY SPECIFICATION HOISTS, CHAIN AND WIRE ROPE, PNEUMATIC This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1
2、Scope. This specification covers pneumatic powered chain and wire rope hoists. 1.2 Classification. Hoists are of the following classes and types as specified (see 6.2): Class 1 - Steel, conventional weight. Class 2 - Steel or aluminum alloy, light weight. Type A - Hook suspension. Type B - Plain tro
3、lley suspension. Type C - Geared trolley suspension, hand operated. Type D - Geared trolley suspension, pneumatic-motor operated. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, SEA 0
4、3R42, Naval Sea Systems Command, 2531 Jefferson Davis Hwy, Arlington, VA 22242-5160 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 3950 DISTRIBUTION STATEMENT A. Approved for public release; di
5、stribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-2L3B 99999Ob L98b922 OTb W MIL-H-2813B 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Suecifications. standards. and handbooks. The following specifi- cations, st
6、andards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (s
7、ee 6.2). SPECIFICATIONS FEDERAL NN-B-621 RR-W-410 PPP-B-601 PPP - B - 62 1 PPP-B-1055 MILITARY MIL-C- 104 MIL-P-116 MIL-S-901 MIL-E-917 MIL-L-10547 MIL-P- 15024 - Boxes, Wood, Nailed and Lock Corner. - Wire Rope and Strand. - Boxes, Wood, Cleated-Plywood. - Boxes, Wood, Nailed and Lock-Corner. - Bar
8、rier Material, Waterproofed, Flexible. - Crates, Wood: Lumber and Plywood Sheathed, Nailed, - Preservation, Methods of. - Shock Tests, H.I. (High-Impact) Shipboard Machin- ery, Equipment, and Systems, Requirements for. - Electric Power Equipment, Basic Requirements (Naval Shipboard Use). - Liners, C
9、ase, and Sheet, Overwrap; Water-Vaporproof or Waterproof, Flexible. - Plates, Tags, and Bands for Identification of Equipment. and Bolted. MIL-P-15024/5 - Plates, Identification. MIL-L-17331 - Lubricating Oil, Steam Turbine and Gear, Moderate MIL-A-21180 - Aluminum-Alloy Castings, High Strength. MIL
10、-S-24093 - Steel Forgings, Carbon and Alloy Heat Treated. MIL-P-24441 - Paint, Epoxy-Polyamide General Specification for. MIL-P-24441/1 - Paint, Epoxy-Polyamide, Green Primer, Formula 150, MIL-P-24441/2 - Paint, Epoxy-Polyamide, Exterior Topcoat, Haze MIL-G-24508 - Grease, High Performance, Multipur
11、pose. (Metric) MIL-E-24635 - Enamel, Silicone Alkyd Copolymer (Metric) DOD-P-24648 - Primer Coating, Zinc Dust Pigmented For Exterior Steel Surfaces. (Metric) MIL-C-24707 - Castings, Ferrous, General Specification for. MIL-C-24707/1 - Castings, Ferrous, for Machinery and Structural MIL-C-24707/5 - C
12、astings, Ductile Iron and Austenitic Ductile Iron Service. Type I. Gray, Formula 151, Type I. Applications. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-2L3B H 7Ob 1786923 T32 = MIL-H-2813B STANDARDS MILITARY MIL-STD-129 MIL-STD-167-1 - Me
13、chanical Vibrations of Shipboard Equipment - Marking for Shipment and Storage. (Type I - Environmental and Type II - Internally Excited). MIL-STD-278 MIL-STD-721 - Definitions of Terms for Reliability and Maintain- MIL-STD-740-1 - Airborne Sound Measurements and Acceptance Criteria MIL-STD-1186 - Cu
14、shioning, Anchoring, Bracing, Blocking and Water- MIL-STD-2035 - Welding and Casting Standard. ability . of Shipboard Equipment. proofing; With Appropriate Test Methods. - Nondestructive Testing Acceptance Criteria. (Unless otherwise indicated, copies of federal and military specifications, standard
15、s, and handbooks are available from the Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.2 Non-Government Dublications. The following documents form a part of this specification to the extent specified herein. Unless otherwise specified, the issu
16、es of the documents which are DoD adopted are those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS are the issues of documents cited in the solicitation (see 6.2). AMERICAN GEAR MANUFACTURERS ASSOCIATION (AGMA
17、) 6010 - Standard for Spur, Helical, Herringbone, and Bevel Enclosed 6034 - Practice for Enclosed Cylindrical Wormgear Speed Reducers Drives. and Gearmotors. (Application for copies should be addressed to the American Gear Manufacturers Association, 1500 King St., Suite 201, Alexandria, VA 22314.) A
18、MERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) A 48 - Standard Specification for Gray Iron Castings. (DoD adopted) A 143 - Standard Practice for Safeguarding Against Embrittlement of Hot-Dip Galvanized Structural Steel Products and Procedure for Detecting Embrittlement. A 304 - Standard Specificat
19、ion for Steel Bars, Alloy, Subject to End-Quench Hardenability Requirements. (DoD adopted) A 322 - Standard Specification for Steel Bars, Alloy, Standard Grades. (DoD adopted) A 576 - Standard Specification for Steel Bars, Carbon, Hot- Wrought, Special Quality. (DoD adopted) B 633 - Standard Specifi
20、cation for Electrodeposited Coatings of Zinc on Iron and Steel. D 3951 - Standard Practice for Commercial Packaging. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-(Application for copies should be addressed to the American Society for Testing and
21、 Materials, 1916 Race Street, Philadelphia, PA 19103.) STEEL STRUCTURES PAINTING COUNCIL (SSPC) SP 10 - Near-White Blast Cleaning. (DoD adopted) (Application for copies should be addressed to the Steel Structures Painting Council, 4400 Fifth Avenue, Pittsburgh, PA 15213.) (Non-Government standards a
22、nd other publications are normally available from the organizations that prepare or distribute the documents. be available in or through libraries or other informational services.) These documents may 2.3 Order of Drecedence. In the event of a conflict between the text of this document and the refer
23、ences cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspe
24、ction (see 6.6) in accordance with 4.3. 3.2 Materials. Materials shall possess the properties necessary to withstand vibration, shock, and other conditions specified herein. Materials for use in exposed locations subject to salt water spray shall be free from all defects and imperfections that may a
25、ffect serviceability or appearance of the hoist. 3.2.1 Metals. Metals used in the construction of the hoists shall be, to the greatest extent possible, selected from the following: Steel alloys up to yield strength levels of 130,000 pounds Aluminum alloys 5456 and 5086, strain hardened to H-116. Alu
26、minum alloy castings in accordance with MIL-A-21180. Corrosion resisting steel alloys 316 and 316L. Stainless steel alloy 17-4PH, heat treated to yield strength of not greater than 130,000 lb/in2. Nickel-copper alloys. Nickel-iron alloys. Steel castings in accordance with MIL-12-24707 and MIL-C-2470
27、7/1. Steel forgings in accordance with MIL-S-24093. per square inch (lb/in2). When specified (see 6.2), permission for the use of metals or structural materials other than those listed may be granted. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,
28、-, 3.2.2 Recovered materials. Unless otherwise specified herein, all equip- ment, material, and articles incorporated in the products covered by this specification shall be new and may be fabricated using materials produced from recovered materials to the maximum extent practicable without jeopardiz
29、ing the intended use. The term “recovered materials“ means materials which have been collected or recovered from solid waste and reprocessed to become a source of raw materials, as opposed to virgin raw materials. interpreted to mean that the use of used or rebuilt products is allowed under this spe
30、cification unless otherwise specifically specified. None of the above shall be 3.2.3 Prohibited materials. 3.2.3.1 Asbestos. Asbestos in any form shall not be used, 3.2.3.2 Cadmium. Cadmium in any form shall not be used. 3.2.3.3 Bervllium. Beryllium in any form shall not be used. 3.2.3.4 Pressed ste
31、el. Pressed steel shall not be used except as specified for a particular application. 3.2.3.5 Magnesium. Magnesium or magnesium based alloys shall not be used. (Does not include steel or aluminum alloys which contain less than 0.5 percent magnesium). 3.2.3.6 Brittle material. Brittle materials shall
32、 not be used except as specified for a particular application (see 6.2). Brittle material is defined as material showing less than 10 percent elongation in gauge length for the tensile test specimen. 3.2.3.7 Cast iron. Cast iron in any form shall not be used except where permitted by referenced spec
33、ifications. The use of cast iron is limited to those alloys conforming to ASTM A 48, class 35 or better. or malleable iron conforming to MIL-C-24707/5 is acceptable for machinery equipment components. Cast nodular graphitic iron 3.2.4 Corrosion Protection of metals. Metals susceptible to corrosion a
34、ttack in a seawater environment shall be treated, plated, or painted to provide corrosion resistance. dissimilar metals in contact with each other, metal-to-metal contacts shall be limited to those metals which, when coupled, are in accordance with sea water corrosion of galvanic couples requirement
35、s of MIL-E-917. If a metal is coated or plated, the coating or plating metal rather than the base metal shall be con- sidered in metal-to-metal contact between parts that depend upon coating or plating for corrosion resistance. In order to minimize electrolytic corrosion between 3.3 Safety. 3.3.1 Sa
36、fetv criteria and consideration. Equipment construction and operational safety shall consider, but not be limited to, the following (see 6.3 and 6.7): 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-ZBL3B 9999906 1986926 741 W MIL-H-2813B (a)
37、 material selection. (b) Controlling and minimizing hazards to personnel, equipment and material which cannot be avoided or eliminated. (c) Isolating hazardous substances, parts and operations from other activities, areas, personnel and incompatible materials. (d) injury to personnel or damage to eq
38、uipment. (e) operation, maintenance, repair or adjustment shall not require exposure to hazards such as electrical shock, sharp edges, or points. maintenance, and repair instructions; and distinctive warnings of hazards on the equipment. Avoiding or eliminating identified hazards by design selection
39、 or Incorporating fail-safe features so that failures will not cause Locating equipment parts so that access to them by personnel during (f) Providing warning and caution notes in operations, assembly, 3.4 Construction. 3.4.1 General. Hoist construction shall be in accordance with the require- ments
40、 specified herein (see 6.3). operate satisfactorily in accordance with the requirements specified herein. Parts shall be as light and compact as practicable consistent with the required strength (see tables I, II, and III). Where practicable, rotating shafts shall be supported in anti-frlction beari
41、ngs or bushings or both and shall be enclosed against entry of foreign matter (see 3.4.16). Provisions shall be made for lubricating all rotating and sliding surfaces or they shall be provided with permanent lubrication. 40 through 140 degrees Fahrenheit (OF) for not less than 3,000 cycles without a
42、 failure. permit examination, servicing and cleaning. Nuts, bolts, collars, and lock rings shall be provided to prevent any component working loose. complete in all respects including operating controls and other equipment necessary for operation. and replacement as required. rated load capacity wit
43、hout jerks, jars, or vibration. Each hoist shall be properly adjusted, balanced, and free from excessive noise during operation. Airborne noise level shall be kept to a minimum (maximum MIL-STD-740-1, grade D). Hoists shall be composed primarily of a frame or housing, a pneumatic motor, if not manua
44、lly operated, a gear train to the wire rope drum or chain sprocket, a brake, an air valve control, a wire rope drum or a chain sprocket, a load block, a wire rope or chain, a bottom hook, and a top hook or trolley. Components shall have adequate strength to Hoists shall operate through a temperature
45、 range of minus Gears shall be totally enclosed in a readily accessible casing that will Hoists shall be Hoist parts shall be readily accessible for servicing The hoists shall lift and lower a load within their 3.4.1.1 Hoist characteristics. For a specified rated load (see 6.2), lift, weight, headro
46、om, and lifting speed shall be in accordance with tables I, II, and III unless otherwise specified (see 6.2). Envelope dimensions shall be as speci- fied (see 6.2). the fully retracted position and the load hook carrying full load, headroom is the distance between the saddle of the load hook and the
47、 following points: Headroom is defined as follows: With the wire rope or chain in (a) (b) (c) The bottom of the lug hole on lug suspended hoists. The bottom of the beam rail on trolley suspended hoists. The saddle of the top hook on hook suspended hoists. 6 Provided by IHSNot for ResaleNo reproducti
48、on or networking permitted without license from IHS-,-,-MIL-H-2L3B 9999906 1986927 b8 MIL-H-2813B 3.4.1.1.1 Twe A hoist. hook-suspension. Unless otherwise specified (see 6.2), type A wire rope and chain hoists shall be in accordance with table I and the requirements specified herein. TABLE I. Hoist
49、twe A. hook susDension. Zated Load (tons) I/ 1/4 1/2 1 1.5 2 3 4 5 6 8 10 12 16 20 Standard lift 2J (feet) :minimum) 8 8 8 8 8 8 8 8 8 8 8 8 8 8 Headroom (distance between hooks) 3J (inches) (maximum) 14.5 15 18 23.5 23.5 32 37 45 45 49 54 54 60 71 Weight of hoist 2J (pounds) (maximum) Chain hoists ;lass 1 68 68 100 155 233 270 320 413 420 500 620 875 1120 1300 Class 2 48 48 61 107 107 130 138 172 195 305 322 350 600 1100 Jire rope hoists Class 1 275 285 375 435
