ASTM F2120-2006 Standard Practice for Testing Treestand Load Capacity《测试Treestand负荷能力的标准实施规程》.pdf
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1、Designation: F 2120 06An American National StandardStandard Practice forTesting Treestand Load Capacity1This standard is issued under the fixed designation F 2120; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last re
2、vision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This practice provides guidance for testing the loadcapacity of treestands.1.2 The values stated are in inch-pound units and
3、 are to beregarded as the standard.1.3 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limit
4、ations prior to use.2. Referenced Documents2.1 ASTM Standards:2F 2125 Test Method for Treestand Static StabilityF 2126 Test Method for Treestand Static Load CapacityF 2128 Test Method for Treestand Repetitive Loading Ca-pabilityF 2531 Test Method for Load Capacity of Treestand Seats3. Terminology3.1
5、 The terminology and definitions in the referenced docu-ments are applicable to this practice.3.2 Definitions:3.2.1 backbaradjustable component of a climbing tree-stand or handclimber that engages the tree to provide support.3.2.2 climbing treestandtreestand that provides both themeans to ascend the
6、 tree, and allow the user to remain at adesired elevation.3.2.3 handclimber, or climbing aiddevice to assist climb-ing with a climbing treestand. A structure that allows the userto support his weight when lifting a climbing treestand with hislegs.3.2.4 non-climbing, fixed position or hang-on treesta
7、ndtreestand that is secured to the tree at the elevation where it isused. (The user usually ascends the tree by some means andthen lifts the treestand to the desired position and secures it foruse.)3.2.5 platformhorizontal structural area of a treestand onwhich the user stands and/or places his feet
8、.3.2.6 treestanddevice designed to be affixed to a tree orits branches so as to permit an individual to sit or stand thereonfor the purpose of attaining an elevated position from which toobserve, photograph or hunt.4. Summary of Practice4.1 This practice provides guidelines for the selection oftests
9、 for the evaluation of the load capacity of treestands inaccordance with manufacturers capacity rating, particularlyfor quality assurance and adequacy of safety factors including:4.1.1 Static load test.4.1.2 Stability and adherence test.4.1.3 Repetitive loading test.NOTE 1Climbing treestands only.4.
10、1.4 Treestand seat loading test.4.1.5 In the event of a repetitive load failure, manufactureris to submit two additional stands for testing for final accep-tance.5. Significance and Use5.1 This practice is provided to develop and maintainuniformity in practices for the evaluation of the load capacit
11、yof treestands, particularly with regard to quality assurance andsafety factors.5.2 It is emphasized that the use of these procedures will notalter the validity of data determined with specific test methods,but provides guidance in the interpretation of test results (validor invalid) and guidance in
12、 the selection of a reasonable testprocedure in those instances where no standard exists today.6. Selection of Test Procedures6.1 The following methods are recommended for individualunits and situations:1This practice is under the jurisdiction of ASTM Committee F08 on SportsEquipment and Facilities
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