Moving Walkway Escalator Chains
A moving walkway escalator chain is a mechanical device used in escalators. The chains are attached to the escalator's steps and move in a helical motion. Its main components include the drive system, which comprises a reversing element configured as a chain wheel. The chain comprises a plurality of plate links connected by joints. The chain is connected to its steps via step bolts and rollers. The tread length of the escalator is 400 mm, and the chain pitch is 133 mm.The curved sections of escalator tracks are located on the top landing platforms. These platforms contain the main drive gear and the step return idler sprockets. The bottom landing platform has a floor plate that provides a place for passengers to stand. The floor plate is fixed and is not removable, whereas the comb plate is removable. A moving walkway is also possible if the incline of the track is less than 14 degrees. The moving walkway escalator chain is powered by an AC induction motor. The machine may be 67.5 cm or wider, with the length varying from 62 cm to 140 cm.

| Chain No. | Pitch | Roller diameter | Width between inner plates | Pin diameter | (Hollow) Pin diameter | Pin length | Plate dimension | Ultimate tensile strength | Average tensile strength | Weight per step | ||||
| P | d1 max | b1 min | d2 max | d3 min | d4 max | L1max | L2max | Lc max | h2 | T | Qmin | Q0 | q | |
| mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | kN/lbf | kN | kg | |
| PT131HP | 131.33 | 70.0 | 27.0 | 14.63 | 12.7 | 18.26 | 55.0 | 75.3 | 56.0 | 40.0 | 5.0 | 150.0/33721 | 165.0 | 7.53 |
| PT135HPF1 | 135.46 | 76.2 | 24.0 | 12.70 | 14.1 | 20.00 | 51.3 | 68.1 | - | 40.0 | 5.0 | 127.0/28550 | 140.0 | - |


| Chain No. | Pitch | Roller diameter | Width between inner plates | Pin diameter | Pin length | Inner plate depth | Plate thickness | Ultimate tensile strength | Average tensile strength | Weight per meter | |
| P | d1 max | b1 min | d2 max | Lmax | Lc max | h2 | Tmax | Qmin | Q0 | q | |
| mm | mm | mm | mm | mm | mm | mm | mm | kN/lbf | kN | kg/m | |
| PT131 | 131.33 | 70.00 | 27.00 | 14.63 | 55.0 | 56.0 | 40.0 | 5.0 | 180.0/40465 | 198.0 | 5.97 |
| PT133 | 133.33 | 70.00 | 27.00 | 14.63 | 55.0 | 56.0 | 40.0 | 5.0 | 180.0/40465 | 198.0 | 5.75 |
The motor in a moving walkway is usually an AC induction motor. It can be located anywhere in the upper head of the machine. In general, it is preferred that the motor be parallel to the walkway moving forward. AC induction motors are also used in this type of machine, which can be up to a certain power. Moving walkway escalators can use two motors at the same time.
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