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Product Description
SH Type Electric Wire Rope Hoist (1/4 Rope Reeving)
Product Introduction:
The SH Type Electric Wire Rope Hoist with 1/4 Rope Reeving is a heavy-duty lifting solution engineered for applications requiring high load capacity with controlled lifting speeds. Unlike the 1/2 reeving configuration (fast speed, lower capacity), the 1/4 reeving system routes the wire rope through four rope parts supporting the load between the drum and the hook block, delivering significantly greater mechanical advantage.
Key Features & Benefits of 1/4 Rope Reeving:
1.Higher Load Capacity: The four-rope-part design distributes the load more evenly, enabling the same hoist frame to handle larger capacities than a 1/2 reeving setup.
2.Controlled Lifting Speed: While slower than 1/2 reeving, the 1/4 configuration provides better load control and precise positioning, ideal for heavy or delicate loads.
3.Reduced Rope Tension: Each individual rope part experiences lower tension, extending wire rope service life and improving safety margins.
4.Compact & Modular Design: Retains the square, modular construction of the SH series, allowing easy maintenance and parts interchangeability.
5.Reliable Planetary Gearbox: Features planetary gear transmission for high efficiency, low noise, and extended operational life.
6.Conical Rotor Brake Motor: Provides low noise operation and fail-safe braking.
7.Advanced Rope Guiding Technology: Ensures smooth, stable, and reliable rope winding, reducing wear and jamming.
Drawing:

Specification Dimensions1:
| Type | Lifting Height | 6m | 9m | 12m | 15m |
| SH4 2/1A | L1 | 770 | 978 | 1186 | 1394 |
| L0 | 925 | 1133 | 1341 | 1549 | |
| SH5 2/1A | L1 | 812 | 1030 | 1248 | 1466 |
| L0 | 986 | 1204 | 1422 | 1640 | |
| SH6 2/1A | L1 | 899 | 1128 | 1357 | 1586 |
| L0 | 1101 | 1330 | 1559 | 1788 | |
| SH7 2/1A | L1 | 955 | 1188 | 1421 | 1654 |
| L0 | 1201 | 1434 | 1667 | 1900 | |
| SH8 2/1A | L1 | 955 | 1188 | 1421 | 1654 |
| L0 | 1201 | 1434 | 1667 | 1900 |
Specification Dimensions2:
| Type | φ | A | A0 | B | Hmin | L3 | S | |
| SH4 2/1A | 18 | 485 | 395 | 323 | 531 | 120 | 0.0174H | |
| SH5 2/1A | 18 | 520 | 430 | 358 | 619 | 134 | 0.0182H | |
| SH6 2/1A | 26 | 588 | 468 | 393 | 689 | 161 | 0.0191H | |
| SH7 2/1A | 26 | 720 | 540 | 472 | 760 | 176 | 0.0194H | |
| SH8 2/1A | 26 | 720 | 540 | 472 | 760 | 176 | 0.0194H | |
Technical Specifications:
| TYPE | Capacity | Working Group | Lifting Speed | Motor Power | Travelling speed | Travelling motor | L2 | D | |
| (kg) | (m/min) | (kw) | (kw) | (kw) | Sngle Speed | Double Speed | |||
| SH4 2/1A | 3200 | M4 | 8.4 8.4/2.1 | 1.5 1.5/0.4 | 20 20/6.7 | 0.37 0.37/0.12 | 300 | 500 | 169 |
| SH5 2/1A | 6300 | M4 | 7.2 7.2/2.4 | 3 3/1 | 20 20/6.7 | 0.55 0.55/0.18 | 350 | 535 | 185 |
| SH6 2/1A | 10000 | M4 | 7 7/1.6 | 4.5 4.5/1.1 | 20 20/6.7 | 0.75 0.75/0.25 | 380 | 600 | 209 |
| SH7 2/1A | 16000 | M4 | 7.6 7.6/1.8 | 7.5 7.5/2.0 | 20 20/6.7 | 2x0.75 2x0.75/0.25 | 460 | 645 | 243 |
| SH8 2/1A | 20000 | M4 | 8 8/2 | 13 13/3.4 | 20 20/6.7 | 2x0.75 2×0.75/0.25 | 520 | 620 | 243 |

Typical Applications:
*Heavy-duty single girder overhead cranes
*Industrial workshop cranes with medium to high capacity needs
*Loading bays handling dense materials (e.g., steel coils, machinery)
*Mining and port auxiliary lifting
*Applications with moderate lift heights