Method and device for measuring balance coefficient of elevator

A technology of balance coefficient and measuring device, which is applied in the direction of measuring device, static/dynamic balance test, machine/structural component test, etc., to achieve the effect of simple structure, reduced labor intensity and high accuracy

Inactive Publication Date: 2011-05-25
SHANGHAI INST OF SPECIAL EQUIP INSPECTION & TECHN RES
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Problems solved by technology

[0008] The purpose of the present invention is to provide a method and device for measuring the balance coefficient of an elevator, which can solve the problem of on-site measurement of the balance coefficient of the installed and running elevator. This measurement method is different from the existing indirect measurement method, which belongs to the direct measurement method. Therefore, it can ensure the measurement accuracy of the elevator balance coefficient and simplify the measurement process

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  • Method and device for measuring balance coefficient of elevator
  • Method and device for measuring balance coefficient of elevator
  • Method and device for measuring balance coefficient of elevator

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Embodiment Construction

[0063] Such as Figure 4 As shown, the measuring device of the elevator balance coefficient is arranged on the counterweight side of the elevator, and the elevator car and the elevator counterweight are hung on both sides of the elevator traction sheave 19 through the traction wire rope 1 . The wire rope clamp 20 is fixedly mounted on the traction wire rope 1, the two adjustable brackets 22 are respectively fixed on the channel steel 21 of the traction frame on the counterweight side, and the two load cells 23 are respectively fixed on two adjustable brackets. On the bracket 22 , adjusting the adjustable bracket 22 can ensure that the force-bearing surface of the load cell 23 is always perpendicular to the traction wire rope 1 . The ammeter is connected to the two load cells 23 for reading the values ​​measured by the load cells.

[0064] Such as figure 1 As shown, the wire rope clamp is the force transmission part in the present invention. When it is used to measure the wei...

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Abstract

The invention discloses a method for measuring a balance coefficient of an elevator. The method comprises the following steps of: fixedly clamping a steel wire rope clamp on a steel wire rope on the heavy side in the elevator, fixedly arranging a pair of force-measuring sensors below the steel wire rope clamp, keeping the force-bearing surfaces of the pair of the force-measuring sensors always vertical to the steel wire rope, enabling the steel wire rope clamp to be freely pressed on the force-bearing surfaces of the pair of the force-measuring sensors when an elevator car on the two sides ofan elevator traction wheel and the position of an elevator counter weight are positioned at the same horizontal position, measuring the difference between the elevator car and the elevator counter weight by using the pair of the force-measuring sensors, and then calculating the balance coefficient of the elevator according to the formula that K is equal to (W-G)/Q. In order to implement the measuring method, the invention further correspondingly provides a device for measuring the balance coefficient of the elevator, and the device is simple in structure and can implement the direct measurement of the balance coefficient of the elevator.

Description

technical field [0001] The invention relates to a measuring method and device, in particular to a measuring method and device for measuring the balance coefficient of an elevator. Background technique [0002] Elevator balance coefficient is one of the important measurement parameters for elevator equipment safety inspection. At present, the method of measuring the balance coefficient of the installed and running elevator is: apply loads of 0%, 25%, 40%, 50%, 75%, and 100% to the elevator, and then measure the elevator car when it is going up and down. When it is at the same horizontal position as the elevator counterweight, the current value of the traction motor, and then on the plane coordinates, the load rate of the elevator when going up and down is used as the abscissa, and the measured current value of the traction motor is used as the vertical axis. Coordinates, draw up and down curves, the load rate corresponding to the intersection of these two curves is the balan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66B5/00G01M1/00
Inventor 钱洪张静姜培基丁逸民沈建强
Owner SHANGHAI INST OF SPECIAL EQUIP INSPECTION & TECHN RES
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