ISO 3471:2008 土木機械—ロールオーバー保護構造—実験室試験と性能要件 | ページ 6

3.1

bedplate

substantially rigid part of the test fixture to which the machine frame is attached to conduct the test

3.2

boundary plane

BP

plane defined as the vertical projected plane of the back, side, or knee area of the DLV

Note 1 to entry: The boundary planes are used to determine the load application point.

3.3

deflection-limiting volume

DLV

orthogonal approximation of a large, seated, male operator wearing normal clothing and a protective helmet

Note 1 to entry: Adapted from ISO 3164:1995.

3.4

deflection of ROPS

movement of the ROPS, mounting system and frame section as measured at the load application point (LAP), excluding the effect of any movement of the test fixture(s)

3.5

falling-object protective structure

FOPS

system of structural members arranged in such a way as to provide operators with reasonable protection from falling objects (e.g. trees, rocks, small concrete blocks, tools)

3.6

head portion of DLV

upper 270 mm by 330 mm rectangular section of the DLV, whose dimensions are in accordance with ISO 3164

3.7

lateral simulated ground plane

LSGP

plane defined as where the machine comes to rest on its side ここで, the plane is 15° away from the DLV.

Note 1 to entry: It is created by rotating a vertical plane parallel to the machine's longitudinal centreline about a horizontal line through the outermost point of the upper ROPS member, to which the lateral load is applied (see Figure 6). The LSGP is established on an unloaded ROPS and moves with the member to which the load is applied while maintaining its 15° angle with respect to the vertical.

3.8

load distribution device

LDD

device used to prevent localized penetration of the ROPS members at the load application point (LAP)

3.9

load application point

LAP

point (or a point within a defined range) on the ROPS structure at which the test load force ( F ) is applied

3.10

machine frame

metallic main chassis or main metallic load-bearing member(s) of the machine that extend(s) over a major section of the machine and upon which the ROPS is directly mounted

3.11

mounting system

all brackets, weldments, fasteners or other devices whose function is to attach the ROPS to the machine frame

3.12

representative specimen

ROPS, mounting system and machine frame (complete or partial) used for test purposes that is within the range of material and manufacturing variances designated by the manufacturer’s production specifications

Note 1 to entry: The intent is that all ROPS manufactured to these specifications be capable of meeting or exceeding the stated levels of performance.

3.13

roll-over protective structure

ROPS

system of structural members whose primary purpose is to reduce the possibility of a seat-belted operator being crushed in the event of a machine roll-over

Note 1 to entry: See Figures 1 to 5 and ISO 6683.

Note 2 to entry: It can include components such as sub-frame, bracket, mount, bolt, pin, suspension or flexible shock absorber.

Note 3 to entry: Non-load-carrying members (posts) are not considered.

3.13.1

rollbar ROPS

ROPS having one or two posts, formed or fabricated, and having no cantilevered structural member(s)

3.13.2

one-post [two-post] ROPS

ROPS having one or two posts, formed or fabricated, and having one or more cantilevered load-carrying structural members

3.13.3

multiple-post ROPS

ROPS having more than two posts, formed or fabricated, and joining load-carrying structural members

Note 1 to entry: It can have cantilevered load-carrying structural members.

3.14

ROPS structural member

metallic member designed to withstand an applied force or absorb energy

3.15

simulated ground plane

SGP

plane simulating the flat ground surface on which a machine is assumed to come to rest after rolling over

3.16

Socket

S

test component that allows unrestricted point loading of the load distribution device (LDD)

3.17

vertical projection of DLV

cross-sectional area of the column formed by vertically projecting the outside corners of the deflection limiting volume (DLV), with dimensions according to ISO 3164, excluding the foot section

3.18

vertical simulated ground plane

VSGP

plane defined by contact with a top cross-member of the ROPS and that front or rear part of the machine capable of supporting an overturned machine

Note 1 to entry: The VSGP applies to the rollbar ROPS, as well as to the one-post and two-post ROPS. The VSGP can change with the deformation of the ROPS.