阅读说明：本技术 一种可实时测量导轨不平度的电梯主动导靴 (Elevator active guide shoe capable of measuring unevenness of guide rail in real time ) 是由 刘立新 贾体昌 王玉磊 张青 陈晨 王红 于 2019-11-22 设计创作，主要内容包括：一种可实时测量导轨不平度的电梯主动导靴,属于机械导向装置领域,是由导轮、导轮与传感器支架、导轮安装孔、导靴支架、铰接孔A、铰接孔B、弹簧安装孔A、弹簧安装孔B、弹簧、差动电磁作动器安装孔A、差动电磁作动器安装孔B、压电接触式位移传感器、测量轮支架、测量轮、导靴底座和差动电磁作动器组成的；所述的导轮与压电接触式位移传感器安装在导轮与传感器支架上,所述的弹簧和差动式电磁作动器的两端分别安装在导轮与测量轮支架和导靴支架上,所述的导靴底座支架与导靴底座固接,所述的测量轮支架安装在压电接触式位移传感器的接触探头上,所述的测量轮安装在测量轮支架上；该发明可对导轨不平度实时测量及对轿厢即时主动减振。(An elevator active guide shoe capable of measuring unevenness of a guide rail in real time belongs to the field of mechanical guide devices and consists of a guide wheel, a guide wheel and sensor support, a guide wheel mounting hole, a guide shoe support, a hinge hole A, a hinge hole B, a spring mounting hole A, a spring mounting hole B, a spring, a differential electromagnetic actuator mounting hole A, a differential electromagnetic actuator mounting hole B, a piezoelectric contact type displacement sensor, a measuring wheel support, a measuring wheel, a guide shoe base and a differential electromagnetic actuator; the device comprises a guide wheel, a piezoelectric contact type displacement sensor, a spring, a differential type electromagnetic actuator, a measuring wheel base, a measuring wheel support, a measuring wheel, a sensor support, a spring, a differential type electromagnetic actuator and a measuring wheel base, wherein the guide wheel and the piezoelectric contact type displacement sensor are arranged on a guide wheel and sensor support; the invention can measure the unevenness of the guide rail in real time and actively damp the vibration of the lift car in real time.)

1. The utility model provides a but shoes are led in elevator initiative of real-time measurement guide rail inequality, by the guide pulley, guide pulley and sensor support, the guide pulley mounting hole, lead the boots support, hinge hole A, hinge hole B, spring mounting hole A, spring mounting hole B, spring, differential electromagnetic actuator mounting hole A, differential electromagnetic actuator mounting hole B, piezoelectricity contact displacement sensor, measure the wheel support, measure the wheel, lead boots base and differential electromagnetic actuator and constitute, its characterized in that: the piezoelectric contact type displacement sensor comprises a guide wheel and sensor support, and is characterized in that a piezoelectric contact type displacement sensor mounting groove, a guide wheel mounting hole, a spring mounting hole A, a differential electromagnetic actuator mounting hole A and a hinge hole A are formed in the guide wheel and sensor support, a spring mounting hole B, a differential electromagnetic actuator mounting hole B and a hinge hole B are formed in the guide wheel and sensor support, the guide wheel is mounted on the guide wheel and sensor support, two ends of the spring and the differential electromagnetic actuator are respectively mounted on the guide wheel and sensor support and the guide shoe support, the guide shoe support is fixedly connected with a guide shoe base, the guide wheel and sensor support are hinged with the guide shoe support, the piezoelectric contact type displacement sensor is mounted on the piezoelectric contact type displacement sensor mounting groove, a measuring wheel support is mounted on a contact probe of the piezoelectric contact type displacement sensor, and the measuring wheel is mounted on the measuring wheel support.

2. The elevator active guide shoe capable of measuring guide rail unevenness in real time as claimed in claim 1, wherein: the measuring wheel and the guide wheel are jointly attached to the same side plane of the guide rail, and a distance of 20cm is reserved between the wheel center of the measuring wheel and the wheel center of the guide wheel.

Technical Field

The invention relates to an elevator active guide shoe capable of measuring the unevenness of a guide rail in real time, in particular to an elevator guide shoe adopting a sensor with a special structure and a special actuator, and a mechanism for guiding an elevator car, which can measure the unevenness of the elevator guide rail in real time and realize instant active vibration reduction on the elevator car, is arranged on the elevator active guide shoe, and belongs to the field of mechanical guide devices.

Background

The elevator guide shoe is an important component of an elevator guide system, the most common high-speed elevator guide shoe is a rolling guide shoe, three guide wheels on the rolling guide shoe are attached to three guide rail surfaces of a T-shaped guide rail, and unevenness of the T-shaped guide rail surfaces can be transmitted to an elevator car through the rolling guide shoe to cause car vibration in the elevator running process. The accurate measurement of the unevenness of the elevator guide rails and the active damping of the elevator car are of great significance for improving the comfort of passengers taking the elevator. The common guide rail unevenness measuring instrument can only carry out pre-measurement on the guide rail, and control parameters are preset for a control system in advance by guide rail excitation data required to be pre-measured in a common active control method.

The working principle of the piezoelectric contact type displacement sensor is that displacement is converted into pressure, then the pressure is converted into an electric signal through a piezoelectric effect and output, and the piezoelectric sensor has the characteristics of strong adaptability and long service life; the differential electromagnetic actuator can output actuating force to the armature in two directions by applying the differential electromagnetic force generated by the two E-shaped electromagnets to generate electromagnetic attraction force on the central armature, and has the advantages of no contact, no damping and quick response; although piezoelectric contact displacement sensors and differential electromagnetic actuators are often used in various contact displacement measurement applications and active vibration isolation applications, their application in elevator guide shoes is rare.

Disclosure of Invention

Aiming at the defects, the invention provides the elevator active guide shoe capable of measuring the unevenness of the guide rail in real time.

The invention is realized by the following technical scheme: the utility model provides a but shoes are led in elevator initiative of real-time measurement guide rail inequality, by the guide pulley, guide pulley and sensor support, the guide pulley mounting hole, lead the boots support, hinge hole A, hinge hole B, spring mounting hole A, spring mounting hole B, spring, differential electromagnetic actuator mounting hole A, differential electromagnetic actuator mounting hole B, piezoelectricity contact displacement sensor, measure the wheel support, measure the wheel, lead boots base and differential electromagnetic actuator and constitute, its characterized in that: the piezoelectric contact type displacement sensor comprises a guide wheel and sensor support, and is characterized in that a piezoelectric contact type displacement sensor mounting groove, a guide wheel mounting hole, a spring mounting hole A, a differential electromagnetic actuator mounting hole A and a hinge hole A are formed in the guide wheel and sensor support, a spring mounting hole B, a differential electromagnetic actuator mounting hole B and a hinge hole B are formed in the guide wheel and sensor support, the guide wheel is mounted on the guide wheel and sensor support, two ends of the spring and the differential electromagnetic actuator are respectively mounted on the guide wheel and sensor support and the guide shoe support, the guide shoe support is fixedly connected with a guide shoe base, the guide wheel and sensor support are hinged with the guide shoe support, the piezoelectric contact type displacement sensor is mounted on the piezoelectric contact type displacement sensor mounting groove, a measuring wheel support is mounted on a contact probe of the piezoelectric contact type displacement sensor, and the measuring wheel is mounted on the measuring wheel support.

The differential electromagnetic actuator is composed of an actuator support, an electromagnet A, an electromagnet B and a central armature, wherein the electromagnet A and the electromagnet B are fixedly connected onto the actuator support, the central armature is suspended between the electromagnet A and the electromagnet B, and output acting force in two directions is realized through electromagnetic suction force generated by the electromagnet A and the electromagnet B to the central armature.

Compared with the prior art, the invention provides the elevator active guide shoe capable of measuring the unevenness of the guide rail in real time, which has the following beneficial effects:

(1) when the measuring wheel runs on the guide rail plane, the micro displacement of the guide rail plane is transmitted to the piezoelectric contact type displacement sensor through the measuring wheel and the measuring wheel bracket to measure and record the unevenness of the guide rail plane.

(2) When the unevenness of the guide rail is changed due to external factors or long-time running of the elevator, the invention can realize real-time measurement of the unevenness of the guide rail plane. And the car vibration can be actively controlled by excitation of the measured guide rail unevenness.

(3) According to the invention, the measuring wheel and the guide wheel are jointly attached to the same side plane of the guide rail, the distance between the wheel center of the measuring wheel and the wheel center of the guide wheel is 20cm, the unevenness displacement excitation of the guide rail in front of the guide wheel is predicted by the measuring wheel in advance in the running process, then the instantaneity of active vibration reduction is realized by outputting active control force to the elevator car in a self-adaptive manner through a learning algorithm, the active control effect of the elevator car is enhanced, and the comfort level of passengers taking the elevator is increased.

Drawings

Fig. 1 is a schematic structural diagram of the present invention, fig. 2 is a schematic structural diagram of a single-side guide shoe body, fig. 3 is a schematic structural diagram of a differential electromagnetic actuator, fig. 4 is a schematic structural diagram of a guide wheel and a sensor bracket, and fig. 5 is a schematic structural diagram of a guide shoe bracket.

In the figure, 1, a guide wheel and sensor support, 101, a piezoelectric contact type displacement sensor mounting groove, 102, spring mounting holes A, 103, a guide wheel mounting hole, 104, differential electromagnetic actuator mounting holes A, 105, hinge holes A, 2, a piezoelectric contact type displacement sensor, 3, a measuring wheel, 4, a measuring wheel support, 5, a spring, 6, a guide wheel, 7, a differential electromagnetic actuator, 701, a central armature, 702, electromagnets A, 703, electromagnets B, 704, an actuator support, 8, a guide shoe support, 801, spring mounting holes B, 802, differential electromagnetic actuator mounting holes B, 803, hinge holes B, 9 and a guide shoe base.

Detailed Description

An elevator active guide shoe capable of measuring unevenness of a guide rail in real time is composed of a guide wheel 6, a guide wheel and sensor support 1, a guide wheel mounting hole 103, a guide shoe support 8, a hinge hole A105, a hinge hole B803, a spring mounting hole A102, a spring mounting hole B801, a spring 5, a differential electromagnetic actuator mounting hole A104, a differential electromagnetic actuator mounting hole B802, a piezoelectric contact type displacement sensor 2, a measuring wheel support 4, a measuring wheel 2, a guide shoe base 9 and a differential electromagnetic actuator group 7, wherein the guide wheel and sensor support 1 is provided with a piezoelectric contact type displacement sensor mounting groove 101, a guide wheel mounting hole 102, a spring mounting hole A103, a differential electromagnetic actuator mounting hole A104 and a hinge hole A105, the guide shoe support 8 is provided with a spring mounting hole B801, a differential electromagnetic actuator mounting hole B802 and a hinge hole B803, the device comprises a guide wheel and a sensor support, and is characterized in that the guide wheel 6 is arranged on the guide wheel and sensor support 1, two ends of a spring 5 and a differential electromagnetic actuator 7 are respectively arranged on the guide wheel and sensor support 1 and a guide shoe support 8, the guide shoe support 8 is fixedly connected with a guide shoe base 9, the guide wheel and sensor support 1 is hinged with the guide shoe support 8, the piezoelectric contact type displacement sensor 2 is arranged on a piezoelectric contact type displacement sensor mounting groove 101, the measuring wheel support 4 is arranged on a contact probe of the piezoelectric contact type displacement sensor 2, and the measuring wheel 3 is arranged on the measuring wheel support 4.

The differential electromagnetic actuator is composed of an actuator support 704, an electromagnet A702, an electromagnet B703 and a central armature 701, wherein the electromagnet A702 and the electromagnet B703 are fixedly connected to the actuator support 704, the central armature 701 is suspended between the electromagnet A702 and the electromagnet B703, and the output of actuating power in two directions is realized through electromagnetic attraction force generated by the electromagnet A702 and the electromagnet B703 on the central armature.

Measuring wheel 3 moves on the guide rail plane, the planar micro displacement of guide rail is transmitted for piezoelectric contact displacement sensor 2 through measuring wheel 3 and measuring wheel support 4 and is measured the record through the signal of telecommunication of piezoelectricity conversion to the planar unevenness of guide rail, guide pulley 6 foresees the excitation of the guide rail unevenness displacement in the place ahead in advance through measuring wheel 3, control algorithm calculates the output force in advance through the place ahead excitation, when guide pulley 3 moves corresponding position, the corresponding output force of differential type electromagnetic actuator output realizes the instantaneity of initiative damping, reinforcing elevator car initiative control effect, increase the comfort level that the passenger took the elevator.

It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims.