SANY Telescopic Mechanism STC250s5.1a.5

What is the SANY Telescopic Mechanism STC250s5.1a.5

The SANY Telescopic Mechanism STC250S5.1A.5 is a precision-engineered system designed for smooth and reliable boom extension and retraction operations. This sophisticated mechanism incorporates critical components including Retraction rope, 4th boom and Retraction rope, 3rd boom that work in synchronization to ensure controlled telescopic movement. The system features a durable Guide pulley assembly with a robust Pulley shell STC250H.1B.6-1 that provides smooth cable guidance and reduces wear during operation.
Safety is enhanced through an integrated Safety latch mechanism that prevents accidental retraction, while a Bracket, fixed and Plate, fixed shaft provide structural stability and proper alignment. The assembly utilizes multiple Shaft, pin components for precise pivot points and secure connections. High-strength fasteners including numerous Bolt, Nut, and Screw elements, complemented by multiple Washer components, ensure vibration-resistant performance and maintain structural integrity under heavy loads.
The intelligent design of the SANY Telescopic Mechanism STC250S5.1A.5 demonstrates exceptional engineering quality, featuring precisely calibrated components that deliver reliable performance in demanding working conditions. Each element within this mechanism is manufactured to exacting tolerances, ensuring seamless operation and extended service life. This advanced telescopic system reflects SANY’s commitment to innovation and safety in heavy equipment design, providing operators with precise control and confidence during lifting operations. The robust construction and thoughtful engineering of the SANY Telescopic Mechanism STC250S5.1A.5 make it an essential component for reliable boom performance in various industrial applications.

Parameters of SANY Telescopic Mechanism STC250s5.1a.5(1/3)

Item No.	Part No.	Description	Qty.
1	A210319000005	Nut	4
2	A210307000005	Nut	4
3	A210405000008	Washer	4
4	11683885	Retraction rope, 4th boom	1
5	10138206	Safety latch	2
6	A210405000006	Washer	2
7	A210111000083	Bolt	2
8	A210401000016	Washer	2
9	A210307000016	Nut	2
10	10053527	Guide pulley assembly	1
11	A210204000260	Screw	4
12	A210401000006	Washer	4
13	12163851	Pulley shellSTC250H.1B.6-1	2
14	A210111000093	Bolt	6
15	A210307000012	Nut	6
16	10138223	Bracket, fixed	1
17	10003921	Shaft, pin	2
18	A210111000089	Bolt	14
19	10138225	Retraction rope, 3rd boom	2
20	10138203	Plate, fixed shaft	2
21	10138204	Shaft, pin	2

Parameters of SANY Telescopic Mechanism STC250s5.1a.5(2/3)

Item No.	Part No.	Description	Qty.
22	A210405000007	Washer	6
23	11685310	Protective cover	2
24	10137468	Pulley GP	2
25	10137478	Thrust block	2
26	10137479	Spacer bushing	2
27	10137481	Plate, shaft guard	2
28	11683454	Shaft, pin	2
29	A210204000302	Screw	2
30	10138074	Washer, adjustment	4
31	A210414000029	Ring, retainer	2
32	10137475	Shaft, pin	2
33	12625468	PulleyQY26A.1.3-4A	2
34	10138404	Wheel	2
35	10138207	Pin	2
36	10138205	Plate, fixed shaft	2
37	A210111000088	Bolt	10
38	10136623	Shaft, pin	2
39	10136820	Baffle, shaft end	2
40	A210416000023	Ring, retainer	4
41	A210622000061	Bearing, roller	4
42	00000953	Pulley	2
43	00000962	Spacer bushing	6

Parameters of SANY Telescopic Mechanism STC250s5.1a.5(1/3)

Item No.	Part No.	Description	Qty.
44	11684963	Extension rope, 4th boom	2
45	10138208	Pin	2
46	A210491000020	Pin	2
47	11077914	Shaft, pin	1
48	A210414000030	Ring, retainer	2
49	10138201	Pin	2
50	10053494	Extension rope, 3rd boom	1
51	10138202	Plate, fixed shaft	2
52	10138210	Retainer	1
53	A210111000023	Bolt	2
54	A210401000001	Nut	2
55	11077910	Spacer ring	2
56	A210401000017	Washer	24
57	10519934	Expansion Arm Oil Cylinder Assy	1

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