ARMY MIL-B-52088 F-1992 BRIDGE ARMORED-VEHICLE-LAUNCHED SCISSORING-TYPE CLASS 60 ALUMINUM 60-FOOT SPAN《60英尺铝60级剪裁型发射装甲车辆》.pdf

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1、MIL-B-520BBF 54 9999906 0533463 T = I INCH-POml MIL-B-52088F 3 ADril 1992 SUPERSEDING MIL-B-52088E(ME) 13 February 1978 MILITARY SPECIFICATION BRIDGE, ARMORED-VEHICLE-LAUNCHED, SCISSORING-TYPE: CLASS 60, ALUMINUM, 60-FOOT SPAN This specification is approved for use by all Departments and Agencies of

2、 the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers a 63-foot, scissoring-type, armored- vehicle-launched bridge. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 SDecifications and standards. The following specifications and standards form a part of this document to the

3、 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 (see 6.2). Beneficial comments (recommendations, additions,

4、deletions) and any pertinent data which may be of use in improving this document should be addressed to: USA Belvoir, Research, Development, and Engineering Center, ATTN: STRBE-TSE, Fort Belvoir, VA 22060-5606 by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the

5、 end of thie document or by letter. AUSC N/A FSC 5420 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Licensed by Information Handling ServicesMIL-B-520F 54 9999906 0511462 L MIL-B-52088F SPECIFICATIONS FEDERAL -T-81 PPP-B-60 1 PPP-B-62 1 PPP-B-1055 PPP-T-60 MILITAR

6、Y MIL-P-116 MIL-B-121 MIL-T-704 MIL-C-3774 MIL-C-46168 MIL-H-46170 MIL-C-52464 MIL-C-52950 STANDARDS MILITARY MIL-STD-105 MIL-STD-129 MIL-STD-130 MIL-STD-781 MIL-STD-882 MIL-STD-889 MIL-STD-1186 MIL-STD-1472 - Tag, Shipping and Stock. - Boxes, Wood, Cleated-Plywood. - Boxes, Wood, Nailed and Lock-Co

7、rner. - Barrier Material, Waterproofed, - Tape: Packaging, Waterproof. Flexible. Preservation, Methods of. Barrier Material, Greaseproofed, Waterproofed, Flexible. Treatment and Painting of Materiel. Crates, Wood; Open, 12,000- and 16,000 Pound Capacity. Coating, Aliphatic Polyurethane, Chemical Age

8、nt Resistant. Hydraulic Fluid Rust Inhibited, Fire Resistant Synthetic Hydrocarbon Base. Cylinder Assemblies, Actuating, Linear: Hydraulic, for Bridge and Bridge Launcher. Crates, Wood, Open and Covered. Sampling Procedures and Tables for Inspection by Attributes. Marking for Shipment and Storage. I

9、dentification Marking of US Military Property. Reliability Tests: Exponential Distribution. System Safety Program for Systems and Associated Subsystems and Equipment: Requirements for. Dissimilar Metals. Cushioning, Anchoring, Bracing, Blocking, and Waterproofing; with Appropriate Test Methods. Huma

10、n Engineering Design Criteria for Military Systems, Equipment and Facilities. 2 Licensed by Information Handling ServicesFEDERAL FED-STD-H28 MIL-B-520F 54 9999906 05L14b3 3 MIL-B-52088F - Screw Thread Standards. (Unless otherwise indicated, copies of federal and military specifications, standards, a

11、nd handbooks are available from the Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2 Other Government drawinas. The following other Government drawings form a part of this document to the extent specified herein. specified, the issues are tho

12、se in effect on the date of the solicitation. Unless otherwise DRAWINGS ME TA1 3 2 1 1E 7 8 3 O - Bridge, Armored Vehicle Launched, Scissoring Type; Class 60; Aluminum, 6O-Foot Span. (Copies of drawings required by contractors in connection with specific acquisition functions should be obtained from

13、 the USA Belvoir, Research, Development, and Engineering Center, ATTN: STRBE-JBS, Ft. Belvoir, VA 22060-5606.) 2.2 Non-Government publications. The following document (e) form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are Do

14、D 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 the documents cited in the solicitation (see 6.2). AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) Boiler and Pressure Vesse

15、l Code, Section IX, Qualification Standard for Welding and Brazing Procedures, Welders, Brazers, and Welding and Brazing Operators. (Application for copies should be addressed to the American society f Mechanical Engineers, 345 East 47th Street, New York, NY 10017.) AMERICAN SOCIETY FOR TESTING AND

16、MATERIALS (ASTM) D 3953 - Strapping, Flat Steel and Seals. D 4675 - Selection and Use of Flat Strapping Material. (Applications for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) 3 Licensed by Information Handling ServicesMIL-

17、B-52088F 54 m 9999906 0511464 5 m MIL-B-52088F AMERICAN WELDING SOCIETY, INC. (AWS) D1.l Structural Welding Code, - Steel. (Application for copies should be addressed to the American Welding Society, 550 N.W. Le Jeune Road P.O. Box 351040, Miami, FL 33135.) NATIONAL MOTOR FREIGHT TRAFFIC ASSOCIATION

18、 INC. (WTA) National Motor Freight Classification Rules. (Application for copies should be addressed to the American Trucking Association, Inc., ATTN: Traffic Order Section, 2200 Mill Rd., Alexandria, VA. 22314.) SOCIETY OF AUTOMOTIVE ENGINEERS (SAE SAE Handbook. (Application for copies should be ad

19、dressed to the Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15096.) UNIFORM CLASSIFICATION COMMITTEE (UCC) Uniform Freight Classification Rules. (Application for copies should be addressed to the Uniform Classification Committee, Rm 1106, 222 South Riverside Plaza, Chicago

20、, IL 60606.) (Non-Government standards and other publications are normally available from the organizations that prepare or distribute the documents. also may be available in or through libraries or other informational services.) These documents 2.3 Order of DreCedenCe. In the event of a conflict be

21、tween the text of this document and the references cited herein, (except for related associated detail specifications, specification sheets or MS standards), the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific ex

22、emption has been obtained. 3. REQUIREMENTS 3.1 DescriDtion. The bridge and bridge components, as specified (see 6.2), shall be in accordance with top assembly TA13211E7830, and as specified herein. 3.1.1 Drawinas. The drawings forming a part of this specification are end product drawings. drawings.

23、Where tolerances prescribed could cumulatively result in improper fits, the contractor shall provide tolerances within those prescribed on the The contractor is responsible for preparing his own shop 4 Licensed by Information Handling ServicesMIL-B-520F 54 9999906 05LLYb5 7 9 MIL-B-52088F drawings t

24、o insure proper fit, assembly, and operation of the bridge. No deviation from the prescribed dimensions or tolerances is permissible without prior approval of the contracting officer. Any data (e.g., shop drawings, layouts, flow sheets, processing procedures, etc.) prepared by the contractor or obta

25、ined from a vendor to support fabrication and manufacture of the. production item shall be made available, upon request, for inspection by the contracting officer or his designated representative. 3.2 First article. Unless otherwise specified (see 6.2), a sample shall be subjected to first article i

26、nspection (see 6.3) in accordance with 4.3. 3.3 Materials. Materials shall be as specified herein and as shown on the applicable drawings. Mechanical properties of heat-treated materials shown on the drawings shall be certified by mechanical test resulte which state actual mechanical properties of t

27、he material after heat treatment. All rubber parts shall be no more than 12 months old on date of acceptance by the Government. 3.4 Hydraulic system. stand a system working pressure of 3500 psi and a proof pressure of 7000 psi without external leakage (except weepage normally expected at the piston-

28、rod packing) anywhere in the pressurized system, permanent deformation, or rupture of any part within the system. The threaded pipe joints shall be sealed with a commercial type sealant tape designed to withstand temperatures from -65 OF to +200 OF. The tape shall allow the joints to be disassembled

29、 for maintenance. foreign matter, such as metal chips and filings, that will not pass through a 150-mesh screen or any other foreign matter that may in any way contaminate the hydraulic fluid or damage the system. All elements of the hydraulic system shall with- All hydraulic lines and components sh

30、all be free from any 3.4.1 Materiel deterioration Drevention and control. The item(s) shall be fabricated from compatible materials, inherently corrosion resistant or treated to provide protection against the various forms of corrosion and deterioration that may be encountered in any of the applicab

31、le operation and storage environments to which the item may be exposed. 3.4.1.1 Dissimilar metals. Dissimilar metals shall not be used in intimate contact with each other unless protected against galvanic corrosion. Dissimilar metals and methods of protection are defined and detailed in MIL-STD-889.

32、 3.4.1.2 Identification of materials andlfinishes. The contractor shall identify the specific material, material finish or treatment for use with component and subcomponent, and shall make information available upon request to the contracting officer or his representative. 3.4.1.3 Recovered material

33、s. For the purpose of this requirement, recovered materials are those materials which have been collected from solid waste and reprocessed to become a source of raw materials, as distinguished form virgin raw materials. The components, pieces and parts incorporated in the armored-vehicle-launched br

34、idge may be newly fabricated from recovered 5 Licensed by Information Handling Services_ _ MIL-B-5208F 54 99O6 0533466 9 MIL-B-52088F materials to the maximum,extent practicable, provided the annored-vehicle- launched bridge produced meets all other requirements of this specification. Used, rebuilt

35、or remanufactured components, pieces and parts shall not be incorporated in the armored-vehicle-launched bridge. 3.5 Hydraulic hose assemblies. Hydraulic hose assemblies shall consist of a length of hydraulic hose as shown on the drawings and fittings conforming to SAE, 37-degree, flared-type swivel

36、 fittings of a permanent or reusable type. Hydraulic hose shall consist of a seamless compounded inner tube, reinforcement, and cover. The inner tube shall be compatible with hydraulic fluid conforming to MIL-H-46170, type 1. The reinforcement shall consist of wire braid(s) or spiral plies of high-t

37、ensile steel wire or a combination of both and shall be capable of withstanding the burst, proof, working, and impulse pressures specified herein. oil-, weather-, and abrasion-resistant synthetic rubber. The hose shall withstand storage at temperatures from -65 OF to +155 OF and for use at temperatu

38、res from 25 OF to +200 OF. The hydraulic hose shall have the following characteristics: The outer cover of the hose shall be Working pressure (psi) 3,500 Proof pressure (psi, min) 7,000 Bend radius (inches, min) 9-112 Burst pressure (psi, min) 12,000 Impulse operating pressure psi) 3,500 The hose sh

39、all be marked with the size, number, and date of manufacture in quarter of year and year. In lieu of metal stamping the hose assembly guard, an aluminum or steel sleeve 0.050 +.O05 inch thick installed over the guard and contained by the hose fittings could be provided for the metal stamping identif

40、ication. The sleeve shall be a continuous band without mechanical joints. The hose age shall be not greater than 6 quarters (maximum accumulated age) from date of cure to the date of presentation for acceptance. The hydraulic hose assembly shall withstand pressure surges of 5000 psi at a rate of 35

41、surges per minute for not less than 35,000 impulse cycles without leakage, bursting, or coupling blowoff. The average of the impulse cycles for four hose assemblies shall be greater than 50,000. All hose assemblies (i.e. after hose and fittings are joined together) shall withstand a working pressure

42、 of 3500 psi and a proof pressure of 7000 psi without any external leakage. When hose assemblies are procured separately, the end openings or threads shall be protected with suitable plastic protectors. 3.6 Scissorinu cylinder. The scissoring cylinder shall conform to MIL-C-52464 (see 6.4). 3.7 Scis

43、sorinu cables. 3.7.1 Socket Dositioninq. The relative position of the sockets shall be as shown on the drawings when the wire rope assembly is under a tensile load of 60,000 pounds. The entire length of the wire rope shall be painted with a continuous, longitudinal, color strip after prestressing an

44、d before the time 6 Licensed by Information Handling ServicesMIL-B-520F 54 9999906 05LL4b7 O : MIL-B-52088F the rope is being measured to length and being marked for fittings. shall be under the tensile load of 60,000 pounds at time of stripping. The colored strip shall be made of fast-drying lacque

45、r or enamel and shall be placed on the rope by an automatic stripping machine. of the sockets as shown on the drawings shall be aligned with the painted strip. If another method for the determination of the relative position of the sockets is used other than the continuous painted strip, the contrac

46、tor must obtain approval of the procedure from the contracting officer. The rope The relative position 3.7.2 Socketinq. Socketing of wire rope for scissoring cables shall be accomplished as follows: a. b. C. d. e. f. 9- h. The wire shall be securely seized for several inches before cutting and secur

47、ely wrapped with a seizing iron to prevent untwisting of the rope and insure equal tension in the strands when load is applied, The end seizing on the wire rope shall be taken off, leaving the additional seizing at a distance from the end equal to the length of the socket basket. When present, the f

48、iber core shall be cut back to this seizing, and the wires shall be untwisted and “broomed outn, although they need not be straightened. The wires, for the distance that they are to be inserted in the socket, shall be carefully cleaned with naphtha or gasoline. The wires, for a distance not more tha

49、n 3/4 of the cleaned length, shall then be dipped in commercial muriatic acid for 30 seconds to 1 minute or until the acid has thoroughly cleaned each wire. Care should be taken that the acid does not come in contact with any other portion of the rope. The wires shall then be dipped in boiling water. The wires shall then be inserted in the basket of the socket. Care shall be taken to insure that the socket is in line with the axis of the wire rope. The base of the socket shall be sealed with putty, clay, or aimilar substance. The basket shall be filled with molten zinc. The