How long does one elevator last in Jinan?

The tragedy of elevator "cannibalism" is heartbreaking, and related escalator safety and maintenance issues have once again become a hot topic in public opinion. Do you know how long the life of an ordinary elevator is? Some people say that an elevator lasts 30 years. Is it really that long?

On July 26, 2015, a woman in Jingzhou, Hubei Province encountered an elevator malfunction and died while taking her son on a shopping mall escalator. On July 27, 2015, a toddler in Wuzhou, Guangxi Province was involved in a plaza escalator with his left arm. Get treatment. The tragedy of "elevator cannibalism" is heartbreaking, and related escalator safety and maintenance issues have once again become a hot topic in public opinion.

Regarding the safety issues of escalators in public places, the ownership and maintenance responsibilities are relatively clear. The tragedy happened precisely because of the lack of responsibility and the lack of supervision; and for more old communities and high-rise residential buildings, , the elevator that has been out of service is facing the embarrassing situation of "the old man has no one to rely on".

Most of these elevators were born in the 1990s and were produced in large quantities and put into use in the 1990s. Compared with today's "post-90s" young people, the "post-90s" elevators are already very old. The hardware is worn out, the software is disordered and malfunctioning, and there are many safety problems. They should have withdrawn from the industry long ago, but the reality is that due to the lack of scrapping standards and lack of funds for renewal, most elevators are still in service beyond their expiration date and are working even while sick.

Jinan? Post-90s? Elevator? Working while sick?

? Last Thursday, 1, 2, and 3, the Post and Telecommunications Xincun North District decided to submit the replacement of the elevator in Building 1 to the housing unit. After submitting the request for opinions, the property management staff counted the number of signed owners.

The elevator is being replaced in a 26-story residential building. It was completed in 1995 and sold to some employees of a communications company in 1997. Together with the adjacent Building 3, it is also known as the No. 1 building in Shandong Province. A group of high-rise residential buildings. 20 years later, most of the owners who bought the houses have retired, but the four elevators in the building still stick to their posts, causing the owners a headache: the elevators will stop operating when the temperature rises, and the 196 owners on the 26 floors of the building can only Elderly owners account for more than one-third of the people who climb stairs. If the elevator is out of service, it means "breaking your legs and feet." The impact on travel is within the tolerable range, but frequent safety problems such as shaking, falling from ladders, and doors not opening make people feel anxious as soon as they enter the elevator.

The call for elevator retirement is getting louder and louder, and maintenance companies and community property management companies have also joined the camp. In March this year, Shandong Chengxinxing Property Co., Ltd. and the maintenance company submitted an application for ladder replacement to the communication company where the owner worked. As of July, more than two-thirds of the owners have signed.

These four elevators in Post and Telecommunications Village are just representatives. In this city, there are still 257 such "post-90s" elevators still in service.

? Replace with new blood? No standards for scrapping

According to media reports, this year the General Administration of Quality Supervision, Inspection and Quarantine conducted spot checks on 2,523 old elevators in some provinces and cities that have been used for more than 15 years. 7 There are major hidden dangers in elevators. The main problems are that the balance coefficient and overload protection device do not meet safety requirements, and some parts are aging and severely worn. How should this part of the elevator be disposed of?

Jinan Quality Supervision Bureau and the elevator maintenance unit Xizi Otis both believe that the use environment of each elevator, the user's usage habits and frequency, maintenance Companies have different maintenance capabilities, and their failure rates will also vary greatly. Elevator "retirement" should not be judged based on its service life, but based on its "health level".

At present, most people in the industry tend to extend the life of elevators through regular maintenance and replacement of major parts.

In this regard, in recent years, many places across the country have introduced many scrap standards for major components. In March this year, Jinan City also issued the "Technical Specifications for Evaluation of Elevator Updates, Renovations, and Repairs." Even at the beginning of the year, the General Administration of Quality Supervision, Inspection and Quarantine revealed A national scrap standard for major components will be introduced.

However, the elevators born in the 1990s are facing a different situation: backward technology, high energy consumption, high failure rate, multiple accessories are seriously aging at the same time, and some models are outdated. The production of old parts has been discontinued. It is useless to expect the main parts of the elevator to be scrapped. The top priority is to scrap the entire machine and replace it with new ones.

However, neither national laws nor national standards mention the scrap standards for complete machines. Relevant local exploration is also relatively scarce. The old elevator has been repaired for another three years, which has become the norm.

How long is the service life of an ordinary elevator?

Generally speaking, the operating life of an elevator is 10 to 15 years, but this is only judged based on the general use of the elevator and is not a mandatory national standard. The country currently does not have regulations on the shelf life of elevators. "Sick elevator" means that some parts or indicators of the elevator no longer meet safety requirements. For example, an elevator has four safety components: safety gear, door, speed limiter, and buffer. If one of these components fails, the elevator will operate incorrectly and will stop when it should stop and stop randomly when it shouldn't. If the machine is not cleaned for a long time, some parts will stick together, causing brakes, and the car will slip.

Of course, there are also elevators that can be used for 20-30 years. If they can be used for such a long time, they need regular maintenance. Maintenance is free in the first and second years of installing the elevator, but you will have to pay for maintenance in the future. Maintenance is required every month, so that if the elevator parts are bad, they can be updated in time, and the cost of maintaining the elevator is included in the property fee. It is even more difficult to replace an elevator. An elevator costs hundreds of thousands or even millions.