Difference between machine room and roomless elevator

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What is the difference between machine room elevator and machine roomless elevator?

Machine roomless elevator is relative to the machine room elevator, that is, using modern production technology to equipment room as far as possible while maintaining the original performance under the premise of miniaturization, eliminating the machine room, the original room inside the control cabinet, traction machine, speed limiter, etc to the elevator shaft at the top or shaft side, and cancel the traditional computer room.To meet the customer’s special requirements for height and roof.

The advantages of a machine room elevator compared with a machine roomless elevator.

1, The advantage of the machine room is to save space, and can only make an overhaul platform at the bottom of the host.

2, Because do not need room, more on the construction cost of the structure and benefits, this makes the architect on the design with more flexibility and convenience, give designers greater freedom, at the same time due to cancel the room, for the owner, machine roomless elevator is lower than with machine room elevator construction costs.

3, Due to some antique buildings to the particularity of the overall design and the requirement to the roof, must be within the highly effective solve the problem of the elevator, machine roomless elevator so very meet the construction needs, and where there is scenic spot, because the computer room in floors high, undermining its local ethnic allopatry, if use machine roomless elevator, because do not have to separately set the computer room of the elevator, can effectively reduce the height of the building.

4, It is not convenient to set up the elevator room, such as hotel, hotel annex, skirt building, etc.

The disadvantages of comparing the elevator with the machine room.

1, Noise, vibration and use limitations.

Machine roomless host placed way nowadays popularity of two kinds: one for the host, placing them on the car roof through guide wheel connecting shaft, whether using the above which way, the influence of the noise is very big, because the connection rigidity, and noise must be digested in the hole, coupled with the brake voice, the voice of the fan will be magnified. Therefore, in the aspect of noise, the machine room is obviously larger than the machine room.In addition, the rigid connection of the host, the resonant phenomenon inevitably reached the cage and the guide rail, the impact of the car and the guide rail is relatively large, so, the comfort of the machine room is obviously weaker than the machine room. Due to the influence of these two items, the machine room elevator does not apply to the high speed trapezoid of 1.75/s. In addition, due to the limited of shaft wall support, so the machine roomless elevator load should not be commonly more than 1150 kilograms, the excessive load bearing requirements of shaft wall is too high, and we usually reinforced concrete thickness is 200 mm, brick structure is 240 mm, usually are not suitable for carrying too much, so below 1.75 m/s, 1150 kg trapezoidal machine roomless alternative room, and large capacity of high-speed elevator,

Machine roomless is obviously better than the machine room elevator

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