SHANGHAI SUNNY ELEVATOR CO.,LTD
SHANGHAI SUNNY ELEVATOR CO.,LTD A safty elevator environment from sunny
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How does a dumbwaiter work?
Manual Dumbwaiters. ... A dumbwaiter consists of a car enclosed in a shaft and suspended by ropes or chains from a pulley or pulleys above, so that it may be raised or lowered by means of a hand rope. The car is counterbalanced by adjustable iron weights (similar to the sashes in a double-hung window).
Dumbwaiter elevator construction parameter
| Load(kg) | Speed(m/s) | Door opening size(mm) | Car size(mm) | Hoistway size(mm) | Door-opening type | Top floor height(mm) | Pit depth(mm) | Max.travelling height(m) | Work type |
| 100 | 0.4 | 700*800 | 700*700 | 1250*1000 | Up/down center opening type | 4000 | 750 | 20 | Window type |
| 200 | 0.4 | 800*1000 | 800*800 | 1450*1100 | 4000 | 750 | 20 | Window type | |
| 200 | 0.4 | 800*1000 | 800*800 | 1450*1100 | 3200 | 1000 | 20 | Fall to the ground type | |
| 250 | 0.4 | 1000*1200 | 1000*1000 | 1550*1250 | 3200 | 1000 | 20 | Fall to the ground type | |
| 300 | 0.4 | 1000*1200 | 1000*1000 | 1550*1250 | 3200 | 1000 | 20 | Fall to the ground type |
Our Service
1. Installation drawing and manual will be provided after the order.
2. All the machines will be full tested before shipment
3. The total machine guarantee is 12 moths
4. 24 Hours technical support, email, telephone or video online
5. User-friendly english manual for machine using and maintaining
6. Sereral sets wearing parts will be free for you
FAQ
1. Are the elevator wire ropes durable?
The elevator wire rope has special provisions and requirements. Configuration is not only for wire rope and rated load, but also considered the size of the traction, as a result, the tensile strength of wire rope is greater than the weight of the lift. The safety factor is equipped with more than four wire rope. So it won’t break at the same time.
2. Is it dangerous for power failure suddenly during the elevator running?
If it occurs, the elevator will automatically stop due to the electrical and mechanical safety device. In case of power failure,elevator brakes will automatically taken. In addition, the power supply departments such as planned outage, prior notice are also operating.
3. Will us be hurt when it closed suddenly?
In the closing process, if people touch the hall door, the door of elevator will automatically restart without any danger. With anti clamping switch, once the gate touched, this switching action make the elevator unable to be closed and even reopened. In addition, closing force is also available here.
4. How the elevator running?
Elevators are operated with a counterweight wire rope through the (tractor) traction drive, making ups and downs on the guide rail.
5. Is the escalator installation complicated?
We believe the functions of an escalator are not necessarily proportional to the operation complexity. Therefore, escalators designed by us apply an integrated structure, so that the equipment is more precise and more efficient and allows easier and more convenient commissioning.
6. Do you have any cerifications?
Yes, we do with ISO9001 / CCC / CE Certificates for u.