Escalator Step Chain

    Escalator Step Chain is an essential component of an escalator system that helps to move the steps in a continuous loop. Here are some key points about escalator step chains:

Function: The primary function of an escalator step chain is to transfer power from the drive sprocket to the individual steps, enabling them to move in a synchronized manner. The chain engages with the teeth on the step sprockets and transfers rotational motion, causing the steps to move.

Construction: Escalator step chains are typically made of high-strength steel or stainless steel to withstand the heavy loads and constant movement. They consist of interconnected links that form a continuous loop, allowing for smooth and reliable operation.

Design: The design of the step chain may vary depending on the specific escalator model and manufacturer. It is important to ensure that the chain is designed to match the dimensions, pitch, and tooth profile of the corresponding step sprockets to ensure proper engagement and efficient power transmission.

Lubrication and Maintenance: Regular lubrication is necessary to reduce friction and wear between the chain components. Proper maintenance, including inspection for elongation, wear, or damage, is crucial to ensure safe and reliable escalator operation. Chains that show signs of excessive wear or damage should be replaced promptly.

Safety Considerations: Escalator step chains play a critical role in passenger safety. They must be properly maintained, regularly inspected, and replaced when necessary to prevent unexpected failures or malfunctions. Compliance with local safety regulations and manufacturer guidelines is essential to ensure the safe operation of escalators

Bearing pin lengthened automatic escalator step chains

链号chain no.	节距 Pitch	梯级距Step pitch	滚轮直径Roller diameter	内链节内宽Inner  width inner  chain link	销轴直径Bearing pin diameter Outer	外链节外宽Outer pin diameter chain link	销轴长度Bearing pin length	止锁件附加宽度Additional width of lock device	链板高度Plate  height	梯级销轴加长端Lengthened side of step bearing pin		抗拉载荷Tensile  load	每米重量Weight/m
										直径Diameter	伸出长stetched   length
	P	s	d1(max)	b1(min)	d2(max)	b3(max)	L(max)	c	h2(max)	d3(max)	a	(min)
	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	kN	kg/m
T100Z	100	400	①39.37	38.1	26	64.5	70.9	2	60.3	20	②42+11.3	320	11.2
T131.80	131.33	394	80	27	14.63	49	55	2	40.3	14.63	31	100	5.0
T131G.80	131.33	394	80	27	14.63	49	55	2	40.3	14.63	31	180	5.0
T133G.70	133.33	400	70	27	14.63	49	55	2	40.3	14.63	31	180	5.0
T133GP.70	133.33	400	70	27	14.63	49	55	2	35.3	14.63	31	150	4.5
T133P.75	133.33	400	75	25	12.47	43	48.5	2	35.3	12.8	28.5	105	4
T133G.75	133.33	400	75	25	20	43	49	2	45.3	20	②29.5+5	173	5.1
T133.76	133.33	400	76	27	14.63	49	55	2	40.3	14.63	31	100	5.1
T133G.76	133.33	400	76	27	14.63	49	55	2	40.3	14.63	31	180	5.1
T133Z.76	133.33	400	76	27	24	49	56	2	50.8	20	②31+5	220	7.1
T133G.80	133.33	400	80	27	14.63	49	55	2	40.3	14.63	31	180	5.1
T133Z.80	133.33	400	80	27	24	49	56	2	40.3	20	②31+5	220	7.1
T135.75	135	405	75	27.3	14.63	48	54	2	32.3	15	65	120	4.3

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