Car counterweight with weight capable of being adjusted in stepless mode

Abstract

The invention discloses a car counterweight with the weight capable of being adjusted in a stepless mode. The car counterweight comprises a box body, wherein a water inlet groove is formed in the upper end of the box body; a first water outlet pipeline is arranged at the lower end of the box body; a groove is formed in the inner wall of an elevator shaft; a water inlet pipe is arranged at the position, corresponding to the water inlet groove, in the groove; the water inlet pipe is connected with a water source through a hose; and a second water outlet pipeline is arranged at the position, corresponding to the first water outlet pipeline, in the groove. When people enter a car, the weight in the car is increased, water enters the box body through the water inlet pipe and the water inlet groove, and the weight of the counterweight is increased; and when people leave the car, the weight in the car is reduced, the water inlet groove in the upper end of the box body rotates anticlockwise, the water in the box body enters a recycling box through the first water outlet pipeline and the second water outlet pipeline, and the weight of the counterweight is reduced. Stepless adjustment of the weight of the car is achieved, the counterweight balances the weight of the car, the car can ascend and descend through a small traction machine, and the power of the traction machine is reduced.

Description

technical field [0001] The invention relates to the technical field of elevators, in particular to a car counterweight whose weight can be infinitely adjusted. Background technique [0002] Elevator counterweight is also called weight balance system. The main function of this system is to relatively balance the weight of the car. During the operation of the elevator, the weight difference between the car and the counterweight can be kept within the limit to ensure the normal traction transmission of the elevator. [0003] However, when the weight of the car is large or small, there will be a large weight difference between the counterweight and the car, which requires the traction machine to provide greater power, so a large-power traction machine is required, and the cost is high , and the security is poor. Contents of the invention [0004] The purpose of the present invention is to solve the above problems and provide a car counterweight whose weight can be adjusted st...

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Problems solved by technology

[0003] However, when the weight of the car is large or small, there will be a large weight difference between the counterweight and the car, which requires the traction machine to provide greater power, so a large-power traction machine is required, and the cost is high , and less secure

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