WO2015109716A1 - Dispositif de détection du couple d'un arbre principal d'une machine d'extraction à différentiel dans le sens axial - Google Patents

Dispositif de détection du couple d'un arbre principal d'une machine d'extraction à différentiel dans le sens axial Download PDF

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Publication number
WO2015109716A1
WO2015109716A1 PCT/CN2014/078753 CN2014078753W WO2015109716A1 WO 2015109716 A1 WO2015109716 A1 WO 2015109716A1 CN 2014078753 W CN2014078753 W CN 2014078753W WO 2015109716 A1 WO2015109716 A1 WO 2015109716A1
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WO
WIPO (PCT)
Prior art keywords
light
light source
mine hoist
base
signal processing
Prior art date
Application number
PCT/CN2014/078753
Other languages
English (en)
Chinese (zh)
Inventor
江帆
朱真才
李伟
曹国华
周公博
彭玉兴
沈刚
卢昊
Original Assignee
中国矿业大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中国矿业大学 filed Critical 中国矿业大学
Publication of WO2015109716A1 publication Critical patent/WO2015109716A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0037—Performance analysers
    • 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
    • G01L3/02—Rotary-transmission dynamometers
    • G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
    • G01L3/08—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving optical means for indicating

Definitions

  • the invention relates to an axial differential mine hoist spindle torque detecting device, which is especially suitable for detecting the torque of a mine hoist main shaft, and is also suitable for torque detection of other rotating shafts.
  • the hoist is a typical rotating machine widely used in mines. As the "throat" of the mine, it plays an important role in mining production. With the rapid development of modern industry and science and technology and the demand for high efficiency of production, the structure of mine hoist is becoming more and more complex, the capacity of single lifting is getting larger and larger, the speed of lifting is getting faster and faster, and the distance of lifting is getting bigger and bigger. . Once a tank hoist, skidding, over-rolling and over-discharging problems occur during the lifting process of the mine hoist, chain reaction may occur, and the working condition not only affects the operation of the equipment itself, but also affects subsequent production. Even the cause of the destruction of the aircraft caused a major loss to the national economy. Therefore, it is necessary to detect the spindle torque of the mine hoist, because the torque of the spindle changes correspondingly when the tank is jammed, slipped, over-rolled and broken.
  • Torque measurement of the shaft can be achieved by attaching a strain gauge to the shaft, but there is a need for the strain gauge to fall off and the patch accuracy of the corresponding vane.
  • Torque measurement of the shaft can also be achieved by electromagnetic induction, but electromagnetic induction can affect the efficient transmission of wireless data.
  • the present invention applies the wireless transmission technology to the torque detection of the mine hoist main shaft to solve the shortage of the wired connection.
  • the object of the present invention is to overcome the deficiencies in the prior art and provide an axial differential mine hoist spindle torque detecting device, which reduces wiring by wirelessly transmitting data, thereby circumventing electromagnetic interference to wireless The impact of the transmission.
  • the axial differential type mine hoist main shaft torque detecting device of the present invention comprises an upper and a lower casing symmetrically fastened outside the main shaft of the mine hoist, and the upper and lower casings are respectively arranged with a buckle to be fixed in the mine.
  • the base is provided with a light source generating box
  • the light source is provided with a power source in the box, a light source connected to the power source, and the light source is on the same axis a lens 1
  • the base 2 is provided with a light source receiving box body
  • the light source receiving box is provided with a signal processing unit, a light sensing device connected to the signal processing unit, and the lens 1 and the light sensing device are on the same axis.
  • the lens 2, the light source generating box and the light source receiving box are respectively provided on the opposite sides of the light receiving hole on the same plane, and the signal processing unit comprises a power supply 2 and a signal processing circuit connected to the output end of the power source The input end of the signal processing circuit is connected to the output end of the light sensing device, and the output end is connected to the wireless transmitting module.
  • the upper and lower casings are fastened with a rubber layer.
  • the light transmission hole shown is a fan hole concentric with the main shaft.
  • the present invention utilizes the principle of light sensation to detect the torque of the shaft of the mine hoist in real time.
  • the light sensing device receives the most light and the output signal is the strongest.
  • the spindle torque is not zero, the light transmission hole and the light transmission hole 2 will be misaligned, so that the light reaching the light sensing device is reduced, and the output signal is correspondingly reduced.
  • the signal of the change of the light sensing device is wirelessly transmitted to the upper computer through the processing of the signal processing unit to realize real-time detection of the torque of the shaft of the mine hoist. It is especially suitable for the shaft torque detection system of mine hoists, and can also be applied to other shaft torque measurement.
  • Real-time measurement of torque can be achieved without disrupting the original equipment connection sequence.
  • wiring is reduced and the effects of electromagnetic interference on wireless transmission are circumvented.
  • it can realize the torque measurement at the extreme speeds such as the static rotation of the rotating shaft and the extremely low rotating speed.
  • the electromagnetic field does not interfere with the wireless transmission, the use is convenient, the maintenance cost is low, the structure is simple, the operation is convenient, the effect is good, and the utility model has wide practicality.
  • Figure 1 is a schematic view of the structure of the present invention.
  • FIG. 2 is a schematic view showing the structure of a through hole of the present invention.
  • FIG. 3 is a schematic diagram of a signal processing unit of the present invention.
  • the mine hoist main shaft torque detecting device of the present invention mainly comprises a light source 1, a light source generating case 2, a lens, an upper casing 4, a lower casing 12, a light source receiving box 5, a lens, and a light.
  • the sensing device 7, the signal processing unit 8, the power supply, and the susceptor 10 are constructed.
  • the upper casing 4 and the lower casing 12 are symmetrically fastened to the outside of the mine hoist main shaft 11, and the upper casing 4 and the lower casing 12 are spaced apart from each other to be fastened to the base of the mine hoist main shaft 11.
  • the fastening area is provided with a rubber layer.
  • a gap of 5 mm is reserved between the base 10 and the base 2;
  • the base unit 10 is provided with a light source generating box 2, and a light transmitting hole 13 is formed on a surface of the light source generating box 2 opposite to the light source 1, and a lens is disposed between the light transmitting hole 13 and the light source 1.
  • a light source 1 is placed at a focus of the lens 3; a light source is provided in the housing 2, a power source 9 is provided, a light source 1 connected to the power source 9, a lens 1 opposite to the light source 1 on the same axis, and a light source 1 is mounted on the surface of the light source generating box 2 perpendicular to the main shaft 11 and away from the light source receiving box 5 and connected to the power source 9; the base 2 is provided with a light source receiving box 5, and the light source receiving box 5 is provided with a signal processing unit 8, a light sensing device 7 connected to the signal processing unit 8, and the lens 3 and the photosensitive device 7 are in the same
  • the lens 2 on the axis, the light source generating box 2 and the light source receiving box 5 opposite sides are respectively provided with light-transmissive holes on the same plane, and the light-transmitting holes are fan-shaped holes concentric with the main shaft 1.
  • the base 10 and the base 2 are mounted in a plane to facilitate installation of the light source generating case 2 and the light source receiving case 5;
  • the signal processing unit 8 includes a power supply 26 and a power supply 26 output.
  • the signal processing circuit 17 is connected to the terminal, the input end of the signal processing circuit 17 is connected to the output end of the light sensing device 7, and the output terminal is connected to the wireless transmitting module 18.
  • the light transmission hole 13 is an arc-shaped hole concentric with the main shaft 1.
  • the light transmission hole 13 and the light transmission hole 14 are formed by one-time processing, and the light transmission hole 13 and 13 are required for installation.
  • the light transmission holes 2 are aligned.
  • the signal processing unit 8 includes a power supply two 16, a signal processing circuit 17, and a wireless transmission module 18.
  • the spindle torque detecting device is mounted on the hoist main shaft 11 and is relatively stationary therewith.
  • the parallel light that the light of the light source 1 passes through the lens 3 passes through the light transmission hole 13 to reach through.
  • the light transmission hole 13 passes through the light transmission hole 13 to reach through.
  • the light passing through the light-transmitting holes 13 will all pass through the light-transmitting holes 2 and then reach through the focus of the lens 2
  • the torque will cause a relative rotation between the base 10 and the base 2, and the light-transmitting hole 13 and the light-transmitting hole 14 will be displaced to a corresponding extent.
  • the light from the light-transmitting hole 13 is only partially passed through the light-transmitting hole 234 and the lens 2 to reach the photosensitive device 7. Therefore, when the spindle 11 is subjected to a torque of a different magnitude, the intensity of the light received by the photosensitive device 7 is different, and the intensity of the light is inversely proportional to the magnitude of the torque. Therefore, the torque of the shaft of the mine hoist can be detected by the signal processing unit 8 processing the electric signal transmitted back from the photosensitive device 7 in real time. Calibration is required prior to use of the device of the present invention.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

Ce dispositif de détection du couple d'un arbre principal d'une machine d'extraction à différentiel dans le sens axial comprend des boîtiers supérieur et inférieur (4, 12) encliquetés symétriquement sur la partie externe de la machine d'exploitation (11), ainsi qu'une première base (10) et une seconde base (15) venant en sandwich entre les boîtiers supérieur et inférieur (4, 12) et encliquetées sur l'arbre principal (11) de la machine d'exploitation. La première base (10) reçoit une enceinte de production de source de lumière (2) renfermant une première source de lumière (9), une source de lumière connectée à la première source de lumière (9) et une première lentille (3) en correspondance axiale avec la source de lumière (1), alors que la seconde base (15) reçoit une enceinte de réception de source de lumière (5) renfermant une unité de traitement de signal (8), un capteur de lumière (7) connecté à l'unité de traitement de signal (8) et une seconde lentille (6) sur le même axe que la première lentille (3) et le capteur de lumière (7), les deux côtés correspondants de l'enceinte de production de source de lumière (2) et l'enceinte de réception de source de lumière (5) présentant respectivement une ouverture de transmission de lumière (13, 14) sur le même plan. Ainsi, après avoir traité par l'unité de traitement de signal (8), le signal, modifiant le capteur de lumière (7) et transmis sans fil à la machine supérieure, détecte en temps réel le couple de l'arbre principal (11) de la machine d'exploitation.
PCT/CN2014/078753 2014-01-22 2014-05-29 Dispositif de détection du couple d'un arbre principal d'une machine d'extraction à différentiel dans le sens axial WO2015109716A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410028404.1 2014-01-22
CN201410028404.1A CN103792034B (zh) 2014-01-22 2014-01-22 一种轴向差动式矿井提升机主轴扭矩检测装置

Publications (1)

Publication Number Publication Date
WO2015109716A1 true WO2015109716A1 (fr) 2015-07-30

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PCT/CN2014/078753 WO2015109716A1 (fr) 2014-01-22 2014-05-29 Dispositif de détection du couple d'un arbre principal d'une machine d'extraction à différentiel dans le sens axial

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CN (1) CN103792034B (fr)
WO (1) WO2015109716A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3467463A1 (fr) * 2017-10-05 2019-04-10 Conti Temic microelectronic GmbH Procédé de détermination d'un moment de torsion

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103792034B (zh) * 2014-01-22 2016-06-29 中国矿业大学 一种轴向差动式矿井提升机主轴扭矩检测装置
CN105717125B (zh) * 2016-01-28 2018-05-25 中国矿业大学 一种中部槽联接哑铃销断裂检测装置及方法
CN105675280B (zh) * 2016-02-18 2018-02-02 中国矿业大学 千米深井提升机主轴弯扭复合疲劳损伤监测装置及方法
CN105823587A (zh) * 2016-03-22 2016-08-03 陈功 一种静力起吊机水平支撑轴弯矩检测器
CN109506816B (zh) * 2018-11-26 2021-01-29 北京经纬恒润科技股份有限公司 一种转矩测量装置和测量方法
CN115790927B (zh) * 2023-01-31 2023-05-23 山东华宜同创自动化科技有限公司 一种矿井提升机主轴扭矩检测系统

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DE19823903A1 (de) * 1998-05-28 1999-12-02 Sensor Instr Gmbh Vorrichtung zum gleichzeitigen Messen eines an einer Welle wirksamen Drehmoments sowie des Drehwinkels der Welle
CN1369695A (zh) * 2002-03-22 2002-09-18 清华大学 一种车用光电式转矩传感器
US6513394B1 (en) * 1998-07-24 2003-02-04 Siemens Vdo Automotive Ag Torque sensor
CN102393268A (zh) * 2011-11-14 2012-03-28 南京航空航天大学 一种用于测量超高转速叶轮转轴扭矩的装置
CN103792034A (zh) * 2014-01-22 2014-05-14 中国矿业大学 一种轴向差动式矿井提升机主轴扭矩检测装置

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USRE37969E1 (en) * 1994-08-25 2003-01-28 Trw Lucas Variety Electric Steering Limited Optical displacement sensor and torque sensor employing relatively movable slit patterns
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Publication number Priority date Publication date Assignee Title
JPH04372830A (ja) * 1991-06-24 1992-12-25 Nissan Motor Co Ltd 光学式トルクメータ
DE19823903A1 (de) * 1998-05-28 1999-12-02 Sensor Instr Gmbh Vorrichtung zum gleichzeitigen Messen eines an einer Welle wirksamen Drehmoments sowie des Drehwinkels der Welle
US6513394B1 (en) * 1998-07-24 2003-02-04 Siemens Vdo Automotive Ag Torque sensor
CN1369695A (zh) * 2002-03-22 2002-09-18 清华大学 一种车用光电式转矩传感器
CN102393268A (zh) * 2011-11-14 2012-03-28 南京航空航天大学 一种用于测量超高转速叶轮转轴扭矩的装置
CN103792034A (zh) * 2014-01-22 2014-05-14 中国矿业大学 一种轴向差动式矿井提升机主轴扭矩检测装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3467463A1 (fr) * 2017-10-05 2019-04-10 Conti Temic microelectronic GmbH Procédé de détermination d'un moment de torsion

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CN103792034A (zh) 2014-05-14
CN103792034B (zh) 2016-06-29

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