Is household elevator safer to have a counter weight? Household elevator without counter weight feel missing something. So don’t feel safe, is this the case?
Strong traction drive (no counter weight) household elevator working principle:
The control panel receives the input signal, the control system accepts the command, and the traction machine rotates to drive the wire rope to elongate. The wire rope drives the car to move linearly along the guide rail to lift and lower the car and the cargo.
Because there is no weight in the strong drive elevator, but forced by mechanical force, this is the biggest difference from the ordinary traction type household elevator. At the same time, it saves the space occupied by the counter weight in the hoistway. It is calculated that in the same size hoistway, no counter weight can save about 25% of the area size compared with the counter weight. These saved areas can be designed. In the car, the car area is larger and can carry more people or goods.
Strong drive household elevator advantages:
1, Hoistway saves space compared with the traditional elevator and the car area is maximized;
2, Elevator structure is more simple and integrated with fewer parts;
3, Elevator runs smoothly and the noise is small;
4, Elevator wire rope has excellent wear resistance and high service life; (the plastic coated steel wire is composed of steel wire rope and plastic coated material, the plastic coated material is wrapped outside the steel wire rope. The plastic coated steel wire has excellent wear resistance and fatigue resistance, high service life, easy maintenance, elevators with plastic coated steel cables run smoothly and comfortably.)
5, Higher security, no safety hazards such as squats and spikes;
6, Maintenance is simple in the later stage, and the maintenance cost is low.
There are counter weight elevators and elevator safety systems without counter weights, safety gear speed limiters and so on. The effect on the weight is to reduce the power of the traction machine and balance the car coefficient.
Why reduce the power of the traction machine? Part of it is to save electricity, and to improve the performance of the traction machine.
Why balance the car coefficient? Balance the car coefficient so that the elevator can run faster, and some hundreds of buildings need a fast speed elevator.
For elevators with five floors and below, there is no need to consider elevator power and elevator speed, so the two are used the same. Household elevators have a clear regulation: the elevator speed cannot exceed 0.4m/s.
The biggest difference between elevators with counter weights and no counter weights is that there is no space for counter weight elevators. It is a good choice for owners who have small private villas and are not equipped with elevators.
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