Gear-and-rack elevator

Abstract

The invention discloses a gear-and-rack elevator. The gear-and-rack elevator comprises a power box body fixedly installed below a lift car, a driving gear for driving of a motor is installed in the power box body, the driving gear is meshed with three planet gears evenly distributed along the circumference, each planet gear is meshed with one transmission gear, each transmission gear and a worm of a set of worm gear and worm are coaxial, a synchronous gear is installed on each worm gear shaft, each synchronous gear is meshed with one rack fixedly installed on the shaft wall of the elevator, the synchronous gears rotate on the racks to drive a power box to move up and down, and thus up-and-down movement of the lift car is achieved. The gear-and-rack elevator is reasonable in structure, in transmission design, gear-and-rack transmission is adopted, the racks are installed on a shaftway, and the gears are installed in the power box. Gear sets are driven by the motor, transmission is achieved through the worms and the worm gears to drive the gears to walk on the racks, and then the power box is driven to be in transmission on the shaftway up and down.

Description

technical field [0001] The present invention relates to an elevator. Background technique [0002] At present, there are many problems in the elevator: [0003] 1. The main cause of the hall door accident: the hall door is open, no one is guarding it, and there is no signboard or protective fence. The elevator runs to other floors by means of maintenance or cranking. Passengers mistakenly think that the hall door is open and the car is on that floor, and fall into the shaft, causing an accident. ② The door lock of the hall door is damaged and there is no spare part to repair it. The door lock is short-circuited with a wire, and the elevator runs automatically after someone selects a floor on another floor, causing people who are entering and leaving the car to be cut. [0004] 2. The main cause of car and car top accidents: the hall door is closed but the car door is not closed. When the elevator is running, the body of the person in the car leans out of the car and coll...

AI Technical Summary

Problems solved by technology

The elevator runs to other floors by means of inspection or cranking. Passengers mistakenly think that the hall door is open and the car is on that floor, so they fall into the shaft, causing accidents.

② The door lock of the hall door is damaged and there is no spare part to repair it. The door lock is short-circuited with a wire, and the elevator runs automatically after someone selects another floor, causing people who are entering and leaving the car to be cut.

[0004] 2. The main cause of car and car roof accidents: the hall door is closed but the car door is not closed, and when the elevator is running, the body of the person in the car protrudes out of the car and collides with objects on the inner wall of the well, causing accidents

② The maintenance worker inspected the elevator on the top of the car. He did not cooperate well with the elevator operator and did not stand firmly. The elevator suddenly started, causing a fall and bruise accident

③When the car is parallel to the counterweight, the maintenance worker stands on the top of the car with one foot and on the counterweight with the other foot, the elevator starts suddenly, and the person falls into the well, causing an accident

④ Poor braking of the traction machine brake, slipping of the traction rope, too light weight of the elevator, overloading of the elevator and other reasons cause the elevator to slide after leveling. At this time, passengers jump out of the car, causing a shearing accident

[0005] 3. The main cause of accidents in the computer room: Electric shock accidents caused by non-compliance with electrical safety operation regulations

② When cranking is required, the power supply is not cut off, and the car suddenly starts after leaving the limit switch, causing an accident

③ In the process of debugging and overhauling the elevator, when someone rides the elevator, the maintenance personnel touches the rotating parts of the machine, and their hands or clothes are involved, causing accidents

[0006] 4. The main reason for the accident in the pit: when the maintenance personnel are working in the pit, the ladder operator and the maintenance personnel do not cooperate well, and the bottom member of the car will collide with the maintenance personnel and cause an accident

② The bottom pit, car roof, and machine room are under construction or maintenance at the same time, and the tools and objects fall and the people below are injured, causing accidents

[0007] 5. Accidents caused by software failure: the elevator cannot be restarted after a period of power outage; the elevator is often shut down in high temperature season; the elevator often stops in the blind floor area and loses its position; the new elevator sometimes shuts down and loses its position; it cannot reach The target floor is closed and people are locked; the elevator is often dead and locked

However, if the elevator is used and managed improperly, sometimes it will endanger the life safety of the elevator rider, and it will also cause great economic losses to the property management company.

Images