Drive Carriage Assembly
Motorized chassis clamped around the rail on guide rollers, climbing the rack with a worm-geared DC motor at about 0.12 m/s and holding position with a spring-applied brake. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
7 top-level lines · 23 rows shown · 45 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Drive Motor 4 parts | stair-lift-drive-motor | 1× | 1 | 25 | assembly |
| 1.1 | Stator Assembly 3 parts | stator-assembly | 1× | 1 | 3 | assembly |
| 1.1.1 | Stator Core (laminations) | stator-core | 1× | 1 | — | part |
| 1.1.2 | Copper Winding | copper-winding | 1× | 1 | — | part |
| 1.1.3 | Slot Insulation | stator-insulation | 1× | 1 | — | part |
| 1.2 | Rotor Assembly 4 parts | rotor-assembly | 1× | 1 | 19 | assembly |
| 1.2.1 | Rotor Shaft | rotor-shaft | 1× | 1 | — | part |
| 1.2.2 | Rotor Core | rotor-core | 1× | 1 | — | part |
| 1.2.3 | Neodymium Magnet | neodymium-magnet | 16× | 16 | — | part |
| 1.2.4 | Ball Bearing | ball-bearing | 1× | 1 | — | part |
| 1.3 | Motor Housing | motor-housing | 1× | 1 | — | part |
| 1.4 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 2 | Worm Gearbox 5 parts | stair-lift-worm-gearbox | 1× | 1 | 7 | assembly |
| 2.1 | Worm Shaft | stair-lift-worm-shaft | 1× | 1 | — | part |
| 2.2 | Worm Wheel | stair-lift-worm-wheel | 1× | 1 | — | part |
| 2.3 | Gearbox Housing | gearbox-housing | 1× | 1 | — | part |
| 2.4 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 2.5 | Oil Seal | oil-seal | 2× | 2 | — | part |
| 3 | Drive Pinion | stair-lift-drive-pinion | 1× | 1 | — | part |
| 4 | Guide Roller | stair-lift-guide-roller | 8× | 8 | — | part |
| 5 | Carriage Brake | stair-lift-brake | 1× | 1 | — | part |
| 6 | Leveling Unit | stair-lift-leveling-unit | 1× | 1 | — | part |
| 7 | Charge Pickup | stair-lift-charge-pickup | 2× | 2 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $300–$90k · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| 🇨🇳BYD byd.com ↗ | Shenzhen, CN | EV & battery manufacturer | made to order | — |
| tatamotors.com ↗ | Mumbai, IN | Automaker | made to order | — |
| saicmotor.com ↗ | Shanghai, CN | Automaker | made to order | — |
| 🇮🇳Mahindra mahindra.com ↗ | Mumbai, IN | Automaker | made to order | — |
| 🇨🇳Geely global.geely.com ↗ | Hangzhou, CN | Automaker | made to order | — |