Table 3 The meanings of the measured values at each measuring point.

From: Experimental study and finite element analysis of heavy-duty escalator truss under full load conditions

Label

Position

Measured values

Test equipment

x1

The right side of the end support beam in the lower horizontal section

Horizontal slip

Dial gauge 1

x2

The left side of the end support beam in the lower horizontal section

Horizontal slip

Dial gauge 2

y1

The right-end longitudinal beam in the lower horizontal section

Vertical displacement

Dial gauge 3

y2

The left-end longitudinal beam in the lower horizontal section

Vertical displacement

Dial gauge 4

x3

The right side of the end support beam in the upper horizontal section

Horizontal slip

Dial gauge 5

x4

The left side of the end support beam in the upper horizontal section

Horizontal slip

Dial gauge 6

y3

The right-end longitudinal beam in the upper horizontal section

Vertical displacement

Dial gauge 7

y4

The left-end longitudinal beam in the upper horizontal section

Vertical displacement

Dial gauge 8

y5

The middle of the end support beam in the upper horizontal section

Vertical displacement

Dial gauge 9

y6

The middle of the end support beam in the lower horizontal section

Vertical displacement

Dial gauge 10

Y1

The right side of the lower docking port

Vertical displacement

Plumb bob 1

Docking port clearance

Filler gauge

Y2

The left side of the lower docking port

Vertical displacement

Plumb bob 2

Docking port clearance

Filler gauge

Y3

The right side of the intermediate docking port

Vertical displacement

Plumb bob 3

Docking port clearance

Filler gauge

Y4

The left side of the intermediate docking port

Vertical displacement

Plumb bob 4

Docking port clearance

Filler gauge

Y5

The left side of the intermediate docking port

Vertical displacement

Laser range finder 1

Y6

The left side of the upper docking port

Vertical displacement

Laser range finder 2