There are three common types of domestic elevator: screw type and hydraulic type.

牽引占地面積大，現(xiàn)在很少用于家庭使用；液壓非常依賴氣缸，所以氣缸磨損時間長，液壓油會泄漏到井，后期維護(hù)非常麻煩；一般來說，螺桿式家用電梯是非常平穩(wěn)的。

Traction covers a large area and is rarely used for household use; The hydraulic pressure is very dependent on the cylinder, so the cylinder is worn for a long time, the hydraulic oil will leak to the well, and the later maintenance is very troublesome; Generally speaking, the screw household elevator is very stable.

其次，要保證電梯的平穩(wěn)運行，需要每年定期進(jìn)行維修。你每年少要保養(yǎng)一次你開的車。正常情況下是補(bǔ)充機(jī)油潤滑油，還有一些基礎(chǔ)檢查，比如照明系統(tǒng)、轎廂平層、報警裝置、限速器、樓層召喚等。這些安裝人員會逐一給你調(diào)查。

Secondly, to ensure the smooth operation of the elevator, it needs to be repaired regularly every year. You should maintain your car at least once a year. Under normal circumstances, it is to supplement engine oil and lubricating oil, and there are some basic inspections, such as lighting system, car leveling, alarm device, speed governor, floor call, etc. These brand installers will investigate you one by one.

電梯墜落的概率只能說是完全可以忽略的。一般來說，電梯內(nèi)有多個傳感器和檢測線來檢測電梯的位置和運行速度，主板判斷是否啟動保護(hù)和記錄運行狀態(tài)。

The probability of elevator falling can only be said to be completely negligible. Generally speaking, there are multiple sensors and detection lines in the elevator to detect the position and running speed of the elevator. The main board determines whether to start the protection and record the running state.

每扇門都有一個檢測點，以防止門沒有關(guān)閉電梯運行。如防墜落有兩個保護(hù)裝置。當(dāng)一個主板檢測到電梯超速時，它通過電機(jī)上的制動器啟動鎖，使電梯停止。

Each door has a detection point to prevent the elevator from running when the door is not closed. For example, there are two protective devices for fall prevention. When a mainboard detects the elevator overspeed, it starts the lock through the brake on the motor to stop the elevator.

因此，電梯墜落事故應(yīng)該是不用擔(dān)心的。在上述雙重保險條件下，我國這么多年來沒有發(fā)生過直接墜落事故。以前的事故基本上是電梯意外移動，人們進(jìn)出電梯時被切斷?；蛘弑焕г陔娞堇锩つ孔跃?。而且，近年來電梯的標(biāo)準(zhǔn)還在不斷提高。

Therefore, the elevator falling accident should not be worried. Under the above double insurance conditions, there has been no direct fall accident in China for so many years. The previous accidents were basically the accidental movement of the elevator, and people were cut off when entering and leaving the elevator. Or trapped in the elevator and blindly save yourself. Moreover, in recent years, the standard of elevator is still improving.

建議買電梯買可靠的。如果你不明白，盡量選擇大的。不要太貪便宜。一分錢，一分錢，一分錢，兩分錢。保修期后的維護(hù)交給廠家更好。家用電梯也可以交給政府監(jiān)管，每年上門檢查一次，但要收費。保證電梯里有手機(jī)信號，萬一被困，打電話求助。工廠還會配備對講機(jī)，安裝在顯眼的位置，經(jīng)?？梢試L試通話是否正常。

It is recommended to buy elevators and reliable ones. If you don't understand, try to choose a big brand. Don't be too greedy. A penny, a penny, a penny, two cents. It's better to hand over the maintenance after the warranty period to the manufacturer. Household elevators can also be handed over to the government for supervision. They can be inspected at home once a year, but they have to be charged. Make sure there is a cell phone signal in the elevator. In case of being trapped, call for help. The factory will also be equipped with walkie talkies, which are installed in a conspicuous position, and you can often try whether the call is normal.

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