Dumbwaiter introduction and maintenance

Now the common elevators as "passenger elevator", "escalator", "lift" these people often use in daily life.And dumbwaiter is rare to see since the usage of dumbwaiter is not so much as elevator.Generally speaking,dumbwaiter is used in the restaurant,hotel and the library for transport food or debris.

Today let’s see the details introduction of dumbwaiter and maintenance method.

Introduction to the knowledge of the elevator

Dumbwaiter elevator, with small size, complete function, stable transport but low price.It is widely used in the dining hall and the transportation of the food and the factory, the library and so on.

Compare to the common elevators,dumbwaiter have less volume while the function is more or less.It is also run smoothly and stable,but the dumbwaiter elevator cost is much lower.

Now in the market,there are two types of dumbwaiters according to the use methods and working methods.But now people on the installation of the framework, because it is more convenient.

The wide use of the dumbwaiter, occasions throughout the school canteen, hotels, restaurants, libraries, etc.In china,the <Safety Specification for manufacture and installation of dumbwaiters> state that,the capacity of dumbwaiter elevator can not

Be lager than 300kg.

Performance advantages of dumbwaiter 

The elevator adopts advanced microcomputer control system, to ensure that the instruction is fast, accurate and reliable.

The Lift standard manual can open the door and guarantee the maximum millimeter accuracy level.

Elevator design use the hairline stainless steel type control panel, seven digital display, elevator button.

The advantages of the civil engineering: the elevator shaft is above the engine room, the drive part and the control panel are directly placed in the well path.

Maintenance of dumbwaiter 

Although the use of the dumbwaiter is not as wide as the elevator, but in a certain sense, it is also a kind of elevator.

Attention to its maintenance can increase the use of the elevator to extend its service life.So let’s make up for you to introduce some of the maintenance of the dumbwaiters.

1.First of all, in the use of the course of the elevator must pay attention to its load, pay attention to not exceed the approved load capacity.And the carrying of the goods to be placed in the middle of the elevator car as far as possible, so that the force of the elevator can be guaranteed to be uniform, and can avoid the appearance of the car stuck in the car.

2.Second, after the transport of goods to ensure that the door can be closed, so as to ensure the normal use of other floors.

3.Third,when cleaning the steel wire rope of the elevator, we must pay attention to it can not be cleaned directly by hand.But to use some tools to scrub, generally use the long handle brush tool.

4.In the end, when press the button of the elevator, be sure to pay attention to its strength, so as to avoid unnecessary damage.And in cleaning up the control panel of the elevator, we must ensure that the elevator is in the overall power of the state, so as to avoid the accident of electric shock.

3 inevitable trend of the future development of the elevator

Integration of elevator control system

Elevator automatic control system has become a branch of computer technology application in the field of a very dynamic.In order to adapt to the high request of  the system security,

reliability and function implementation flexibility, the developed system is taking the microcomputer as the core.This elevator control system is using the 4C technology, which is, computer technology (COMPUTER), automatic control technology (CONTROL), communication technology (COMMUNICATION) and conversion technology (CHANGE) into a highly related and integrated system.

It has an obvious superiority then the previous control system on adaptability, extensibility, maintainability, system stability, and so on.Now the new control system has become the cornerstone of the development of elevator control technology.

Elevator speed tends to be super high speed

With the rise of skyscrapers buildings, the running speed of the elevator is challenging, but also to promote the development of the elevator technology.

Currently the world's highest speed of the passenger elevator has reached 17m/s,
more than 18m/s elevator china will run in the more than and 600 meter high Shanghai Center Tower.

It can be expected that, with the development of multi purpose, full function of super high rise buildings,Ultra high speed elevator will continue to be the direction of research and development.

Large capacity of traction motor, high performance microprocessor, vibration, noise suppression technology, automatic pressure regulating system in the car, which is suitable for the ultra high speed elevator safety parts technology will actively promote.

The popularity of green elevator is an inevitable trend

 

The application of energy saving, environmental protection material in the elevator design and elevator parts has been created.Gear-less permanent magnet synchronous traction machine, energy feedback device is rapidly improving the matching rate.

The car walls,guide wheels and traction wheels are made of non-metal materials have been put into application.

The elevator suspension system use flat steel composite traction wire rope instead

the traditional steel wire rope traction.Especially use the non-metal traction wire rope to make replacement.

Two twin elevators sharing the same shaft space have already started to run.And the elevator group control system is more intelligent.

With the development of intelligent buildings, intelligent control system of elevator equipment can be combined with the building automation of all service equipment into a whole intelligent system.