ARMY KKK-W-291 F-1985 WHEELBARROWS [Use In Lieu Of ARMY KKK-W-00291 C]《手推车》.pdf

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1、KKK-W-271F 37 9979774 0037814 2 3-05 -o? O I I .- o -t 4 O 15 January 1985 TO SUPERSEDE LUCK-W- 2 9 1E December 21, 1976 FEDERAL SPECIFICATION WHEELBARROWS This specification was approved by the Assistant Administrator, Office of Federal Supply and Services, General Services Administration, for the

2、use of all Federal Agencies. 1. SCOPE AND CLASSIFICATION 1.1 Scope. This specification covers wheelbarrows for commercial, institutional, and home use in transportation of construction and other materials. 1.1.1 Federal specification coverage. Federal specifications do not include all varieties of t

3、he commodity as indicated by the title of the specification or which are commercially available, but are intended to cover only those generally ysed by the Federal Government. 1.2 Classification. 1.2.1 Types, classes, and styles. Wheelbarrows covered by this specification shall be of the following t

4、ypes, classes, and styles as specified (see 6.2): Type I - General utility. Class 2 - Large capacity. Style A - Steel pipe or tube frame and handles. Style B - Wood frame and handles. Type II - Contractors. Class 1 - General purpose. Class 2 - Concrete. 2. APPLICABLE DOCUMENTS 2.1 Government documen

5、ts. 2.1.1 Government publications. The issues of the following documents, in effect on date of invitation for bids or solicitation for offers, form a part of this specification to the extent specified herein: Beneficial comments (recommendations, additions, deletions) and any pertinent data which ma

6、y be of use in improving this document should be addressed to: Belvoir Research and Devel-.pment Center, ATTN: STRBE-DS, Port Belvoir, VA 22060-5606 by using the self-addressed Standardization Document Improvement USA FSC 3920 1 THIS DOCUMENT CONTAINS - - PAGES Provided by IHSNot for ResaleNo reprod

7、uction or networking permitted without license from IHS-,-,-KKK-W-ZLF 39 74 0037BL5 4 a KK-W-29 1F Federal Specifications: FF-R-5 56 - Rivet, Solid, Small; Rivet, Split, Small; Rivet Tubular, Small; Burr; and Cap, Rivets; General Purpose. -_ PPP -B-6 O 1 - Boxes, Wood Cleated-Plywood, PPP-B-636 - Bo

8、xes, Shipping, Fiberboard, PPP-B-640 - Boxes, Fiberboard, Corrugated, Triple- Wall. FED-STD-123 - Marking for Domestic Shipment (Civil Agencies). (Activities outside the Federal Government may obtain copies of Federal specifications, standards, and commercial item descriptions, as outlined under Gen

9、eral Information in the Index of Federal Specifications, Standards, and Camercial Item Descriptions. supplements as issued, is for sale on a subscription basis by the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402, The Index, which includes cumulative bimonthly (S

10、ingle copies of this specification, other Federal specifications, and commercial item descriptions required by activities outside the Federal Government for bidding purposes are available without charge from General Services Administration Business Service Centers in Boston, MA; New York, NY; D Phil

11、adelphia, PA; Washington, DC; Atlanta, GA; Chicago, IL; Kansas-City, MO; Fort Worth, TX; Houston, TX; Denver, CO; San Francisco, CA; Los Angeles, CA; and Seattle, WA. (Federal Government activities may obtain copies of Federal standardization documenrs and the Index of Federal Specifications, Standa

12、rds, and Commercial Item Description from established distribution points in their agencies.) Military Specifications: MIL-P-116 - Preservation, Methods of. MEL-3-121 - Barrier Material, Greaseproofed, MIL-T-22085 - Tape, Pressure Sensitive Adhesive, Waterproofed, Flexible. Preservation and Sealing.

13、 Military Standards: MIL-CTD-105 MIL-CTD-129 - Sampling Procedures and Tables for - Marking for Shipment and Storage. Inspection by Attributes. t 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-KKK-W-291F (Copies of specifications, standards, and d

14、rawings required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 2.2 Other publications. The following document(s) form a part of this specification to the extent specified herein. The issue

15、s of the documents which are indicated as DoD adopted shall be the issue listed in the current DoDISS and the supplement thereto, if applicable. American Society For Testing and Materials (ASTM) Standards: c A 36 - Structural Steel. A 47 A 108 A 120 - Pipe, Steel, Black and Hot-Dipper Zinc Coated (G

16、alvanized) A 366 - Steel Sheet, Carbon Cold-Roller, Commercial Quality. A 519 - Seamless Carbon and Alloy Steel Mechanical Tubing. A 569 - Steel Carbon .15%, Hot Rolled Sheet and Strip, Comercial A 575 - Merchant Quality M-Grades Carbon Steel Bars. D 2016 - Standard Test Methods for Moisture Content

17、 of Wood. D 3951 - Standard Practice for Commercial Packaging. - Malleable Iron Castings. - Standard Quality Cold Finished Carbon Steel Bars. Welded and Seamless, for Ordinary uses. Qua 1 ity . (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race S

18、treet, Philadelphia, PA 19103.) 3. REQUIREMl3NTS 3.1 Description. The wheelbarrow is a hand-propelled vehicle and shall have a single wheel between the end of a pair of shafts that support the tray and form into handles at the other end, with two legs for support when standing alone. steel-rim tire

19、or a rubber-tired steel disc wheel having a pneumatic or semipneumatic tire, as specified (see 3.4.2). The wheelbarrow shall be equipped with a steel-spoked wheel with 3.2 First article. Unless otherwise specified (see 6.21, the contractor shall furnish one or more wheelbarrows and wood specimens (s

20、ee 4.1.2) for examination and testing within the time frame specified, to prove prior to starting production that his production methods and choice of design detail will produce wheelbarrows that comply with the requirements of this specification. Examination and tests shall be as specified in secti

21、on 4; and, unless otherwise specified herein, all examinations and tests shall be conducted by the contractor subject to surveillance and approval by the Government (see 6.3). When specified (see 6.21, the Government will conduct any or all of the first article examinations and tests, as specified (

22、see 6.2). The first article models shall be manufactured in the same facilities to be used for the manufacture of production items. 3.3 Materials. Materials shall be as specified herein. Materials not specified shall be selected by the contractor, and shall be subject to all provisions of this speci

23、fication. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- KKK-W-291F : . 3.3.1 Steel. 3.3.1.1 Sheet and strip. The steel sheet and strip shall conform to the mechanical properties as specified in AS“ A 366 or ASTM A 569. 3.3.1.2 Tubing. The steel

24、tubing shall be any composition from 1010 through 1020, round seamless hot-rolled (HR) or cold-drawn (CD) and shall conform to the mechanical properties specified in ASTM A 519. 3.3.1.3 Pipe. Steel pipe shall conform to ASTM A 120. 3.3.1.4 Channel, steel. The steel channel shall conform to ASTM A 36

25、. 3.3.1.5 Cast malleable iron. The cast malleable iron shall conform to ASTM A 47, grade 35018. 3.3.1.6 Rivets. The rivets shall be steel and shall conform to FF-R-556, type VI, grade E. 3.3.1.7 Bar. The steel bar shall conform to ASTM A 108, grade 1010-1020, cold finished, or ASTM A 575, grade M101

26、0-M1020, merchant quality. 3.3- 2 Wood 3.3.2.1 Species. Wood shall be one of the following species: White ash, beech, yellow birch, rock elm, hickory, locust, hard maple, Malaysian hardwood, oak, or pecan. The wood shall be seasoned to not more than 15 percent moisture content at the time of fabrica

27、tion when tested as specified in 4.5.2.1. 3.3.2.2 Handles and risers. Wood shall be free of decay, splits, checks, shakes over 4 inches long, holes over 118 inch in diameter, and knots except that sound, tight knots not over 112 inch diameter spaced at not less than 6 inches apart will be allowed. S

28、lope of grain shall not exceed 1 in 10 inches. 3.4 Construction. 3.4.1 Trays. n-ie trays shall be fabricated of sheet steel as specified in Cut-and- 3.3.1.1 and may be either cut-and-folded or one-piece construction. folded trays may be riveted, welded, or riveted and welded. 3.4.1.1 Margin or lap.

29、When trays are riveted, the margin or lap (the distance from the edge of the sheet to the center of the line or rivets nearest the edge) shall be not lesr; than 1-112 times the diameter of the rivet. All rivets shall be as specified in 3.3.1.6 and shall be of sufficient length to provide for the for

30、ming of a full head. 3.4.1.2 Reinforcement of edges. The top edges of the trays shall be stiffened either by beading or by rolling, shall be smoothly finished, and shall measure not less than 3/8 inch in diameter. 4 c, 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without li

31、cense from IHS-,-,-KKK-W-27LF 37 777777Li 0037838 T W 3.4.1.3 Tray capacities. The struck and heaped capacities of the trays shall be as specified in table II, when tested as specified in 4.5.2.4. 3.4.1.4 Tray dimensions. Dimensions of the trays shall be in accordance with table I as indicated by th

32、e dimensional symbols shown in table I and on figure I (see 6.4). 3.4.2 Wheels. Wheelbarrows shall be equipped with a steel spoked wheel with a steel rim tire or a rubber tired steel disc wheel, as specified (see 6.2). Wheel hubs shall be cast iron or steel and shall be 6 to 7-1/2 inches in length.

33、Spoke wheels shall have not less than eight spokes. Spokes shall be welded or flush riveted and upset or notshed under the tire with the shoulders against the inside of the tire. The rubber tired disc wheels shall be equipped with pneumatic or semipneumatic tires, as specified (see 6.2). Wheel shall

34、 be furnished with roller, ball, or plain bearings. Wheels shall be mounted on steel axles of not less than 1/2-inch diameter for class 1 wheelbarrows and not less than 5/8-inch diameter for class 2 wheelbarrows. 3.4.2.1 Steel rim tires. Steel rim tires shall have a nominal outside diameter of 16 in

35、ches, width not less than 1-1/2 inches, and shall be not less than 5116-inch thick. 3.4.2.2 Pneumatic rubber tires. Pneumatis rubber tires shall be either tube tires furnished complete with inner tube or tubeless tires, as specified (see 6.2). The nominal outside diameter shall be 16 inches, and the

36、 nominal cross-sectional diameter shall be 4 inches. The tires shall have not less than 2 plies or 2-ply rating. All plies shall be smoothly and evenly laid and shall be free from buckles, wavy cords, air pockets, and cracks. 3.4.2.3 Semipneumatic rubber tires. Semipneumatic rubber tires shall be ho

37、llow rubber tires (see 6.2) having a nominal outside diameter of 16 inches and a nominal cross-sectional diameter of 4 inches. The tire shall show no evidence of cracks, tears, cuts, slits, or distorted tread. 3.4.2.4 Wheel brackets. Wheel brackets , where specified herein, shall be located on the u

38、nderside of the frame on all wheelbarrows and shall be securely bolted to the frame by one or two bolts through each end of each bracket, or for tubular frames the brackets may be welded to the frame. The brackets shall be steel as specified in 3.3.1.1 or cast malleable iron as specified in 3.3.1.5.

39、 3.4.3 Legs. Legs shall be V-shaped with the end fastened securely to the frame or tray. The legs shall be channel steel or tubing as specified (see 6.2) and with bracing securely fastened to hold each leg in a rigid position. Channel steel legs shall be reinforced with steel bearing plates or shoes

40、 riveted, welded, or securely fastened to the bottom of each leg by other mechanical means. emboss interlocked at two points of each leg may be utilized. One wide-press-formed steel brace with reinforcing perimeter 3.4.4 Front braces. The front end of all trays shall be braced and held in position b

41、y two steel braces, each securely fastened to the frame and to the tray near the top. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-KKK-W -29 1 F , 3.4.5 Bolts. The minimum size of all bolts of type I wheelbarrows shall be 114 inch diameter. be 5

42、/16 inch diameter. through the tray shall be 9/16 inch for type I wheelbarrows and 11/16 inch for type II wheelbarrows. All bolts through wood members shall be provided with washers on the nut end. 3.4.6 Type I wheelbarrows. Type I wheelbarrows shall consist of a tray, The minimum size of all bolts

43、for type II wheelbarrows shall The minimum diameter for heads of bolts extending The maximum thickness of the head shall be 3/16 inch. wheel brackets, frame and handles, legs, tray braces, and front braces and shall conform to requirements specified herein. Length Width of Top I Length of Slant of F

44、ront-131 Rear-C I Front-DI Rear-E 3.4.6.1 Frame and handles. The frame and handles shall be in accordance with 3.4.6.1.1 Ois 34.6.1.2 as specified (see 1.2.1). Vertical Depth of TABLE I. Dimensions of steel tray in inches. I Type Class( Max I I Max Max Max Max Max I Top-A 1 1 I I I Front-F i l I Typ

45、e and Class Class Type I 2 II 1 2 Capacity in Cubic Feet Struck Heaped Minimum Tray Thickness Min Min Inch 3.0 5.0 ,0598 (16 Gage) 2.0 4.0 .O598 (16 Gage) 3.0 5.0 .O598 (16 Gage) I 11 I 18 I I 1 I I TABLE II. Physical characteristics. Length of Bot- tom-G Max 24 23-1 12 24 Width of Botto 16 3.4.6.1.

46、1 Steel pipe or tube frame and handles. The frame shall be fabricated of one-piece steel tubing or pipe as specified in 3.3.1.2 or 3.3.1.3, bent in the middle around the front of the barrow wheel, the ends extending toward the rear forming two handles; or may be two-piece, each handle extending past

47、 the front of the wheel, bent upward, and securely attached to the tray. The dimensions of the pipe or tubing shall be as shown in table III. The handle 6 E. ? L 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-KKK-W-291 F shall be not less than 54

48、inches nor more than 64 inches long. The front part of the handle shall be approximately 9 inches from the center of the wheel. The handle shall extend not less than 24 inches from the legs. TABLE III. Dimensions of pipe or tubing. Diameter nominal Ins ide Outs ide Inches Inches Pipe 1 049 1.315 Tub

49、ing 1.060 1.250 3.4.6.1.2 Wooden frame and handles. When wheelbarrows are constructed with wooden handles, the handles shall be as specified in 3.4.7.1. Each wheelbarrow shall be provided with a wheel guard in accordance with 3.4.7.2. Risers when provided shall be in accordance with 3.4.7.1. 3.4.6.2 Tray braces. The tray shall be secured directly to the frame or shall be supported by two or more steel straps which pass horizontally across th