GB/T 22543.1-2008Instrument for dam monitoring - Exte nsion line gauge - Part 1: Step motor type extension line gauge (English PDF)

1 Scope

GB/T 22543 provisions of this part of the stepping motor type tensile wire instrument of terms and definitions, product composition, technical requirements, test methods,

Inspection rules, signs, instructions and packaging, transportation, storage and so on.

This section applies to water conservancy and hydropower engineering and other external deformation monitoring of the stepping motor type tensile wire instrument.

2 Normative references

The following documents contain provisions which, through reference GB/T 22543 in this section constitute provisions of this section. For dated reference documents

Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section

Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section.

GB/T 5080.7 Equipment reliability testing efficiency constant failure rate assumption under the MTBF of test plans

GB 9969.1 Instructions General Industrial Products

GB/T 50279 Standard for fundamental terms of geotechnical engineering

3 Terms and Definitions

GB/T 50279 and established the following terms and definitions apply GB/T 22543 in this section.

4 Product composition

Stepping motor type instrument tensile wire (hereinafter referred to as step-tensile wire instrument) consists of two parts, transmission and measurement agencies. Its structure

As shown in Figure 1.

among them.

a) transmission mechanism. including base, screw, lead screw and stepper motors;

b) measuring mechanism. mainly includes a base plate, a probe, reference rod and cable sockets; the probe is mainly photocell.