WO2017101134A1 - 一种可模拟多负载的电磁制动器检测装置 - Google Patents

一种可模拟多负载的电磁制动器检测装置 Download PDF

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WO2017101134A1
WO2017101134A1 PCT/CN2015/098325 CN2015098325W WO2017101134A1 WO 2017101134 A1 WO2017101134 A1 WO 2017101134A1 CN 2015098325 W CN2015098325 W CN 2015098325W WO 2017101134 A1 WO2017101134 A1 WO 2017101134A1
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torque
output shaft
torque output
electromagnetic brake
flywheel
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PCT/CN2015/098325
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English (en)
French (fr)
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李申
杨俊�
范小斌
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海安县申菱电器制造有限公司
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Publication of WO2017101134A1 publication Critical patent/WO2017101134A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts

Definitions

  • the invention belongs to the technical field of braking performance testing, and particularly relates to an intelligent device which can be applied to the detection of braking torque of an electromagnetic brake under multiple load conditions.
  • the device can be used to detect the braking performance of brakes of different specifications without replacing any components.
  • At least one or more brakes should be installed in the elevator.
  • the main function of the brake is to prevent the elevator from braking when the sudden power failure or sudden abnormality occurs, to ensure the safe use of the elevator, and the brake installation is completed.
  • the braking torque of the brake can reach the corresponding requirements.
  • the object of the present invention is to provide a braking torque testing platform for a high-speed loading condition of an electromagnetic brake with convenient testing and safety.
  • the invention comprises a support frame body, a variable frequency motor, a torque output shaft, a rotational speed torque sensor, a torque brake shaft, an electromagnetic brake, at least one flywheel device, at least one switching device, the torque output shaft and the torque brake shaft Supported on the support frame body horizontally by a bracket, the variable frequency motor is connected to one end of the torque output shaft through a coupling, and one end of the rotational speed torque sensor is coupled to the torque output shaft through a coupling The other end of the rotating torque sensor is connected to the torque brake shaft through a coupling, and the electromagnetic brake is coupled with the torque brake shaft.
  • the moment sensors are respectively connected to the support frame body through brackets; each of the switching devices are respectively fixed on the same torque output shaft, and each of the flywheel devices is respectively gap-fitted on the torque output shaft,
  • the flywheel device and the switching device are respectively arranged in a one-to-one correspondence, and the power supply mechanism is respectively disposed under each of the switching devices.
  • the power supply mechanism of the present invention is composed of a carbon brush and a cylinder device, and each of the cylinder devices is respectively fixed on the support frame body, and each of the carbon brushes is respectively fixed at a free end of the cylinder.
  • the flywheel device of the present invention and the torque output shaft are sleeved.
  • variable frequency motor and the cylinder device of the invention is controlled by the PLC device; the switching device is fixed on the torque output shaft, the flywheel device is matched with the torque output shaft, and the axial movement of the flywheel can be controlled by the switching device.
  • the separation and engagement of the switching device and the flywheel device are realized;
  • the power supply mechanism is composed of a carbon brush and a cylinder device, wherein the carbon brush corresponding to the serial number is fixedly connected with the cylinder device, and when the cylinder device is ascending, the carbon brush can be switched.
  • the device contacts and supplies power to it, At this time, the switching device controls the flywheel device to move axially so that the two are closely connected, and the synchronous rotation of the flywheel device and the torque output shaft is realized.
  • the corresponding flywheel load is selected by the PLC, and the PLC can control one or more cylinder devices to go up. Under the push of the cylinder device, the corresponding carbon brush contacts the switching device and provides electric energy. The cutting device and the flywheel device are changed from the disengaged state to the engaged state, and the flywheel load is successfully applied to the torque output shaft, thereby simulating the simulation of different load conditions. For different specifications of the brakes, the actual speed under different working conditions is also different. At this time, the high-speed running state can be simulated by changing the operating frequency of the variable frequency motor. After the simulation of load and speed conditions is realized, the electromagnetic brake and the variable frequency motor are simultaneously powered off by the PLC device.
  • variable frequency motor changes from a high speed operation state to a free rotation state
  • the electromagnetic brake changes from a release state to a brake state.
  • the relationship between the braking torque of the brake during braking and the time is determined by the speed torque sensor.
  • the invention has the advantages of reasonable structure, simple structure, safe and reliable performance, high intelligence degree, convenient use, and certain flexibility, and avoids the situation that different brakes need to replace the flywheel each time when performing braking performance test, thereby improving production. Efficiency reduces the labor intensity of workers.
  • Figure 1 is a schematic view of the structure of the present invention.
  • an electromagnetic brake detecting device capable of simulating multiple loads includes a support frame 22 , a variable frequency motor 1 , a torque output shaft 10 , a rotational speed torque sensor 11 , a torque brake shaft 12 , an electromagnetic brake 13 , and a flywheel Device 1 2, switching device 3, flywheel device 2, switching device 2, flywheel device 3, switching device 3, flywheel device 4, switching device 4, torque output shaft 10 and torque system
  • the moving shaft 12 is horizontally supported on the supporting frame body 22 through the bracket, and the variable frequency motor 1 is connected to one end of the torque output shaft 10 through a coupling, and one end of the rotational speed torque sensor 11 is connected to the other end of the torque output shaft 10 through a coupling.
  • the other end of the rotational speed torque sensor 11 is connected to the torque brake shaft 12 through a coupling, and the electromagnetic brake 13 and the torque brake shaft 12 are coupled through a gear set, and the variable frequency motor 1 and the rotational speed torque sensor 11 respectively
  • the brackets are connected to the support frame 22; the switching devices 3, 5, 7, and 9 are respectively fixed on the same torque output shaft 10, and the flywheel devices 2, 4, 6, and 8 are respectively placed on the torque output shaft 10
  • Upper flywheel device 3, 5, 7, 9 2,4,6,8 switching means correspond with each other, respectively, corresponding to the power supply means 23 are provided below each switching means 2,4,6,8.
  • the power supply mechanism 23 is composed of a carbon brush one 14, a carbon brush two 15, a carbon brush three 16, a carbon brush four 17, a cylinder device 18, a cylinder device two 19, a cylinder device three 20, a cylinder device four 21, each cylinder device 18, 19, 20, 21 are fixed at On the support frame 22, the carbon brushes 14, 15, 16, 17 are fixed to the free ends of the cylinder devices 18, 19, 20, 21, respectively.
  • the variable frequency motor 1, the cylinder devices 18, 19, 20, 21 and the rotational speed torque sensor 11 are respectively connected to respective PLC control systems.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Braking Arrangements (AREA)

Abstract

一种可模拟多负载的电磁制动器检测装置，属于一种制动性能测试技术领域，包括变频电机（1）、力矩输出轴（10）、转速转矩传感器（11）、力矩制动轴（12）、电磁制动器（13）、至少一个飞轮装置（2,4,6,8）、至少一个投切装置（3,5,7,9），力矩输出轴（10）与所述力矩制动轴（12）通过支架水平支撑在支撑架体（22）上，力矩输出轴（10）的两端分别连接变频电机（1）、转速转矩传感器（11），转速转矩传感器（11）的另一个端部通过联轴器与所述力矩制动轴（12）连接，电磁制动器（13）与力矩制动轴（12）之间配合连接；各投切装置（3,5,7,9）分别固定在同一根力矩输出轴（10）上，各飞轮装置（2,4,6,8）分别间隙配合在力矩输出轴（10）上，所述飞轮装置（2,4,6,8）、投切装置（3,5,7,9）分别相互一一对应配合，在各所述投切装置（3,5,7,9）的下方分别对应设置供电机构（23）。本装置结构合理、简单，性能安全可靠，智能化程度高，使用方便。

Description

一种可模拟多负载的电磁制动器检测装置 技术领域
本发明属于一种制动性能测试技术领域，具体涉及一种可适用于多负载工况下电磁制动器进行制动力矩检测的智能装置。应用该装置可以在不更换任何零部件的基础上，实现对不同规格制动器的制动性能检测。
背景技术
根据相关的规定，电梯中应该至少安装一个或多个制动器，制动器的主要作用是，防止电梯在突然断电或突然出现异常时，能对电梯进行制动，保证电梯的安全使用，制动器安装完成时需要进行检测与调试，使制动器的制动力矩大小达到相应的要求。
发明内容
本发明的目的是提供一种测试方便、使用安全的电磁制动器高速带载工况下的制动力矩测试平台。
本发明包括支撑架体、变频电机、力矩输出轴、转速转矩传感器、力矩制动轴、电磁制动器、至少一个飞轮装置、至少一个投切装置，所述力矩输出轴与所述力矩制动轴通过支架水平支撑在所述支撑架体上，所述变频电机通过联轴器与所述力矩输出轴的一端连接，所述转速转矩传感器的一端通过联轴器连接在所述力矩输出轴的另一端，所述转速转矩传感器的另一个端部通过联轴器与所述力矩制动轴连接，所述电磁制动器与所述力矩制动轴之间配合连接，所述变频电机、转速转矩传感器分别通过支架连接在所述支撑架体上；各所述投切装置分别固定在同一根所述力矩输出轴上，各所述飞轮装置分别间隙配合在所述力矩输出轴上，所述飞轮装置、投切装置分别相互一一对应配合，在各所述投切装置的下方分别对应设置供电机构。
本发明所述供电机构由碳刷、气缸装置组成，各所述气缸装置分别固定在所述支撑架体上，各所述碳刷分别固定在所述气缸的自由端。
本发明所述飞轮装置与所述力矩输出轴之间为套置方式。
本发明变频电机与气缸装置的运行均是通过PLC装置进行控制的；投切装置固定在力矩输出轴上，飞轮装置则与力矩输出轴间隙配合，并可由投切装置控制飞轮的轴向移动，以实现投切装置与飞轮装置的分离与接合；供电机构由碳刷与气缸装置组成，其中对应序号的碳刷与气缸装置是固定连接的，当气缸装置上行时，碳刷便能与投切装置接触并为其供电， 此时投切装置便操控飞轮装置进行轴向移动从而使两者紧密连接，实现飞轮装置与力矩输出轴的同步转动。
针对某一规格的盘式制动器，通过PLC选择相应的飞轮负载，PLC便能够控制一个或多个气缸装置上行，在气缸装置的推动下对应的碳刷便与投切装置接触并提供电能，投切装置与飞轮装置由分离状态变为接合状态，飞轮负载便成功地施加到力矩输出轴上，从而实现不同负载工况的模拟。对于不同规格的制动器，其实际工况下的转速亦不尽相同，此时可以通过更改变频电机的运行频率来模拟其高速运行状态。在实现负载与转速工况的模拟后，通过PLC装置控制电磁制动器与变频电机同时断电，此时变频电机便由高速运行状态变为自由旋转状态，电磁制动器便由释放状态变为制动状态，在此基础上，通过转速转矩传感器成功地检测出制动器在制动过程中的制动力矩随时间的变化关系。测试完成后，PLC便控制气缸装置下行，碳刷与投切装置分离，投切装置与飞轮装置由接合状态重新变为分离状态。
本发明技术，结构合理、简单，性能安全可靠，智能化程度高，使用方便，而且具有一定的柔性，避免了不同制动器在进行制动性能测试时每次都需要更换飞轮的情况，提高了生产效率，减轻了工人劳动强度。
附图说明
图1为本发明的一种结构示意图。
具体实施方式
如图1所示，一种可模拟多负载的电磁制动器检测装置，包括支撑架体22、变频电机1、力矩输出轴10、转速转矩传感器11、力矩制动轴12、电磁制动器13、飞轮装置一2、投切装置一3、飞轮装置二4、投切装置二5、飞轮装置三6、投切装置三7、飞轮装置四8、投切装置四9，力矩输出轴10与力矩制动轴12通过支架水平支撑在支撑架体22上，变频电机1通过联轴器与力矩输出轴10的一端连接，转速转矩传感器11的一端通过联轴器连接在力矩输出轴10的另一端，转速转矩传感器11的另一个端部通过联轴器与力矩制动轴12连接，电磁制动器13与力矩制动轴12之间通过齿轮组配合连接，变频电机1、转速转矩传感器11分别通过支架连接在支撑架体22上；各投切装置3、5、7、9分别固定在同一根力矩输出轴10上，各飞轮装置2、4、6、8分别套置在力矩输出轴10上，飞轮装置3、5、7、9、投切装置2、4、6、8分别相互一一对应配合，在各投切装置2、4、6、8的下方分别对应设置供电机构23。供电机构23由碳刷一14、碳刷二15、碳刷三16、碳刷四17、气缸装置一18、气缸装置二19、气缸装置三20、气缸装置四21组成，各气缸装置18、19、20、21分别固定在 支撑架体22上，各碳刷14、15、16、17分别固定在气缸装置18、19、20、21的自由端。变频电机1、气缸装置18、19、20、21、转速转矩传感器11分别连接至相应的PLC控制系统。

Claims (3)

  1. 一种可模拟多负载的电磁制动器检测装置，其特征在于包括支撑架体、变频电机、力矩输出轴、转速转矩传感器、力矩制动轴、电磁制动器、至少一个飞轮装置、至少一个投切装置，所述力矩输出轴与所述力矩制动轴通过支架水平支撑在所述支撑架体上，所述变频电机通过联轴器与所述力矩输出轴的一端连接，所述转速转矩传感器的一端通过联轴器连接在所述力矩输出轴的另一端，所述转速转矩传感器的另一个端部通过联轴器与所述力矩制动轴连接，所述电磁制动器与所述力矩制动轴之间配合连接，所述变频电机、转速转矩传感器分别通过支架连接在所述支撑架体上；各所述投切装置分别固定在同一根所述力矩输出轴上，各所述飞轮装置分别间隙配合在所述力矩输出轴上，所述飞轮装置、投切装置分别相互一一对应配合，在各所述投切装置的下方分别对应设置供电机构。
  2. 根据权利要求1所述的一种可模拟多负载的电磁制动器检测装置，其特征在于所述供电机构包括碳刷、气缸装置，各所述气缸装置分别固定在所述支撑架体上，各所述碳刷分别固定在所述气缸的自由端。
  3. 根据权利要求1所述的一种可模拟多负载的电磁制动器检测装置，其特征在于所述飞轮装置与所述力矩输出轴之间为套置方式。
PCT/CN2015/098325 2015-12-18 2015-12-22 一种可模拟多负载的电磁制动器检测装置 WO2017101134A1 (zh)

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CN108631508A (zh) * 2018-08-13 2018-10-09 王峰 模块化储能发电装置

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