CN106768272B - A kind of mobile rope oscillation crosswise measurement method of measured length - Google Patents
A kind of mobile rope oscillation crosswise measurement method of measured length Download PDFInfo
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- CN106768272B CN106768272B CN201611136479.7A CN201611136479A CN106768272B CN 106768272 B CN106768272 B CN 106768272B CN 201611136479 A CN201611136479 A CN 201611136479A CN 106768272 B CN106768272 B CN 106768272B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of mobile rope oscillation crosswise measurement methods of measured length, it is characterized in that setting rope circulation gear unit, by driving wheel, driven wheel, tensioning wheel, tension sensor train and for drive driving wheel the first stepper motor constitute circulation train, in the rope of close ring be wound on circulation wheel fasten to be formed in perpendicular rope circulation gear unit；The measurement method of the operating conditions such as fixed length, elongation, the shortening of rope and corresponding operating condition is realized by the independently moving or linkage of the first sliding block of setting and the second sliding block；Displacement measurement system is set；It is the surface for being located at rope with non-contact displacement transducer group, above displacement of the particle in vertical direction of restricting immediately below it can be measured.The present invention can be used for the various operating conditions that model engineering moves up running rope application, it can be used for measuring and move down the lateral displacement vibration of multiple specified points on running rope in various operating conditions, to examine mobile rope model Calculation of Vibration Response algorithm to provide experimental basis, the control of mobile rope vibration can be further used for.
Description
The application be 20140903 the applying date, application No. is 2014104462601, entitled axial movement rope cross
To vibration measurement device and measurement method, apply for the divisional application of artificial HeFei University of Technology.
Technical field
The present invention relates to a kind of for measuring the mobile rope of elongated degree oscillation crosswise under given movement speed and tension
Test device.It is real to be more particularly to a kind of test for moving down running rope lateral displacement vibration non-contact measurement in given initial displacement
Test platform and pilot system.
Background technique
Axial rope shifting system is a seed type of axially moving materials, and there are many applications in engineering, such as cable car cableway, rope
It is satellite, rope yarn, dynamic conveyor belt, tape, paper tape etc..Axial rope shifting system mechanical simplified model presses long change of rope rule substantially
It is divided into three classes.System is moved for long fixed rope as shown in Figure 1a, its main feature is that survey region length is constant, rope has movement speed,
There is rope that is newly-increased and disappearing at survey region both ends, application example has conveyer belt, cable car cableway, powerdriven belt etc.；
The rope of shortening shown in the rope shifting system and Fig. 1 c of elongation shown in Fig. 1 b, which moves system, can be classified as one kind, its main feature is that survey region
Length variation has rope that is newly-increased or disappearing at one end, and application example has the cable wire of elevator, and crane is lifted under the rising of hoist object
Drop, the rope system etc. when the primary release of Tethered Systems or recycling component.Obviously, the vibratory response and vibration of this kind of system are special
Property there is important application value for the vibration of engineering system and stability control.
Because the movement for the system that restricts, occurs the coefficient entry changed over time in equation, forms parametric excitation, the type
Vibration is parametric vibration, cannot the methods of enough traditional linear systems obtain its Theory Solution.Researcher has proposed at present
A variety of numerical computation methods solve the vibration problem of mobile rope, and for these calculation methods, there is still a need for experimental provisions to examine
Checking method.For this purpose, experimental provision needs to meet three kinds of system forms shown in energy simulation drawing 1a, Fig. 1 b and Fig. 1 c, that is, it include fixed
Length rope moves system and elongated degree rope shifting system；The tension for wanting can to give speed, direction and rope that rope moves, can change rope
Material parameter, such as density, elasticity modulus can give rope system specific excitation, such as initial displacement excitation, pulse excitation, with
And can when multiple particles lateral displacement when moving and rope move on tracking measurement rope the multiple specified points in rope length direction transverse direction
Displacement.But so far, this kind of experimental provision is not shown in public reporting still, and there are no a kind of mobile ropes for being capable of providing multiple operating conditions
Vibration testing device and measuring table examine the calculated result of numerical algorithm.
Summary of the invention
The present invention is to provide a kind of axial movement rope oscillation crosswise to avoid above-mentioned existing deficiencies in the technology
Measuring device, a numerical computation method for being used to solve the vibration of mobile rope provides measuring device, so as to logarithm calculating
Method is tested；Second is that the control for mobile rope vibration；Third is that flat as the experiment of College Specialized Course Education and scientific research
Platform.
The present invention adopts the following technical scheme that in order to solve the technical problem
The present invention moves axially being structurally characterized in that for rope oscillation crosswise measuring device:
Setting rope circulation gear unit, is by driving wheel, driven wheel, tensioning wheel, tension sensor train and for driving
First stepper motor of dynamic driving wheel constitutes circulation train, is wound on the circulation wheel in the rope of close ring and fastens to form perpendicular
In rope recycle gear unit；The driving wheel, driven wheel and tensioning wheel are fixed on bottom plate jointly；Bottom plate coordinate is set
Axis, the bottom plate reference axis refer to the reference axis being consolidated on bottom plate that rope moves on direction.
Displacement measurement system is set: including being fixedly mounted on the top of rope and parallel with the moving direction of rope in level
Linear guide, the first sliding block and the second sliding block being slidably matched with linear guide；It is fixedly connected below first sliding block
There is crossbeam, non-contact displacement transducer group is arranged in the bottom of the crossbeam；It is provided with the linear guide horizontal parallel
Straight-line ball lead screw guide rails slide unit, the third sliding block being slidably matched on the straight-line ball lead screw guide rails slide unit can pass through longitudinal direction
Connecting plate and cross connecting plate drive the movement of first sliding block and/or the second sliding block, and drive crossbeam and contactless
The translation of displacement sensor group；Connection or third sliding block and second of the longitudinally connected plate for third sliding block and the first sliding block are sliding
The connection of block, cross connecting plate are used for the connection of the first sliding block and the second sliding block；Longitudinally connected plate and cross connecting plate are easy to tear open
It unloads and installs, different mobile operating condition of restricting is realized by the longitudinally connected plate installation combination different with cross connecting plate；Institute
The surface that non-contact displacement transducer group is located at rope is stated, every sensor in non-contact displacement transducer group can be surveyed
Amount is located at immediately below it above displacement of the particle in vertical direction of restricting；The tension sensor train is connected firmly by connecting plate second
The lower section of sliding block.
The design feature that the present invention moves axially rope oscillation crosswise measuring device is lain also in:
The non-contact displacement transducer group uses laser displacement sensor,
It is disposed with shift scale in the initial rope length center of rope, for measuring the displacement of initial rope length center
Amount.
Rope in the rope circulation gear unit can be changed to different materials.
The rope can be steel band, nylon tape, strap or belt.
The characteristics of measurement method of present invention axial movement rope oscillation crosswise measuring device, is:
Start the first stepper motor and second stepper motor, third sliding block is connected with the first sliding block by longitudinally connected plate
It connects, the first sliding block is connected with the second sliding block by cross connecting plate, passes through ball-screw guide rail slide unit by the first stepper motor
On the first sliding block of third slider-actuated and the second sliding block with given speed synchronizing moving when, to rope provide one setting just
Begin to motivate；Displacement sensor group specifies the lateral displacement of particle when moving in rope elongation or shortening on tracking measurement rope, use
Under the conditions of verifying given initial excitation, the numerical solution algorithm of the mobile upper particle oscillation crosswise model of restricting of elongated degree it is accurate
Property.
The characteristics of measurement method of present invention axial movement rope oscillation crosswise measuring device, is:
Start the first stepper motor and second stepper motor, third sliding block is connected with the first sliding block by longitudinally connected plate
It connects, the first sliding block is not connected to the second sliding block, keeps the second sliding block holding position constant using fixing bolt；By second stepper motor
By the first sliding block of third slider-actuated with given speed synchronizing moving, rope is mobile with identical speed sync, at this point, rope length is in master
It between driving wheel and tension sensor train, and between driven wheel and tension sensor train is fixed value, particle is on rope
Mobile, the initial excitation of a setting is provided to rope, by specifying particle to exist on displacement sensor group tracking measurement measured length rope
Lateral displacement when mobile；Under the conditions of verifying given initial excitation, the mobile upper particle oscillation crosswise model of restricting of measured length
The accuracy of numerical solution algorithm.
The characteristics of measurement method of present invention axial movement rope oscillation crosswise measuring device, is:
Start the first stepper motor and second stepper motor, third sliding block is not connected to the first sliding block, third sliding block and
Two sliding blocks are connected by connecting plate, remain unchanged the position of the first sliding block using fixing bolt；Led to by second stepper motor
The second sliding block of third slider-actuated is crossed with given speed synchronizing moving, at this point, the position of displacement sensor group is fixed, is provided to rope
The initial excitation of one setting corresponds to bottom plate in rope when elongating or shortening using displacement sensor group measurement rope with friction speed
The lateral displacement of reference axis specified point, under the conditions of verifying given initial excitation, the mobile rope of elongated degree is in bottom plate reference axis
The accuracy of the numerical solution algorithm of specified point oscillation crosswise model.
The characteristics of measurement method of present invention axial movement rope oscillation crosswise measuring device, is:
Second stepper motor stops, and the first stepper motor is rotated clockwise or counterclockwise with setting speed, at this point, displacement passes
Sensor group and the position of tension sensor train are fixed, and rope length is between driving wheel and tension sensor train, Yi Ji
It is fixed value between driven wheel and tension sensor train, the speed shift to right or left restricted to set is initial to rope offer one
Excitation, using displacement sensor group measurement measured length rope move to left or move to right with friction speed when in bottom plate reference axis specified point
Lateral displacement, under the conditions of verifying given initial excitation, the mobile rope of measured length specific location point in bottom plate reference axis is lateral
The accuracy of the numerical solution algorithm of model of vibration.
The characteristics of measurement method of present invention axial movement rope oscillation crosswise measuring device, is:
First stepper motor and second stepper motor all stop, rope, displacement sensor group and tension sensor train all positions
Fixation is set, provides the initial excitation of a setting to rope, gives particle on the rope fixed using displacement sensor group measurement both ends
Lateral displacement, under the conditions of verifying given initial excitation, the transverse direction of the fixed rope specified point in bottom plate reference axis in both ends
The accuracy of the numerical solution algorithm of model of vibration.
Compared with the prior art, the invention has the advantages that:
1, the model engineering of the invention that can be used for moves up the various operating conditions of running rope application, and can be used for measuring in various operating conditions
Move down the lateral displacement vibration of multiple specified points on running rope, for examine mobile rope model Calculation of Vibration Response algorithm provide experiment according to
According to can also be further used for the control of mobile rope vibration, can be used as the experiment porch of College Specialized Course Education and scientific research；
2, the first stepper motor and second stepper motor are used cooperatively in the present invention, are able to achieve five kinds of Test Cycles, are made
Control system is greatly simplified, reduces control error；
3, the present invention uses ball-screw guide rail slide unit and linear guide, effectively improves the stability of experiment transmission and accurate
Property, while meeting the synchronism of up and down motion.
4, the present invention can realize the survey to different materials rope system transverse vibrational displacement by the rope of replacement unlike material
Amount.
Detailed description of the invention
Fig. 1 a is that fixed length rope moves system schematic；
Fig. 1 b is that the rope of elongation moves system schematic；
Fig. 1 c is that the rope shortened moves system schematic；
Fig. 2 is schematic view of facade structure of the present invention；
Fig. 3 is that straight-line ball lead screw guide rails slide unit and linear guide cooperate schematic diagram in the present invention；
Figure label: 1 bottom plate, 2 driven wheels, 3 ropes, 4 be CHB force measurement table, 5 linear guides, 6 tension sensor wheels
System, 7 second sliding blocks, 8 displacement sensor groups, 9 first sliding blocks, 10 crossbeams, 11 vibration signals collecting conditioning modules, 12 computers,
13 driving wheels, 14 first stepper motors, 15 control panel for motor, 16 motor drive modules, 17 third sliding blocks, 18 second steppings electricity
Machine, 19 straight-line ball lead screw guide rails slide units, 22 longitudinally connected plates, 23 cross connecting plates, 25 fixing bolts, 26 lead screws, 27 displacements
Scale, 28 tensioning wheels.
Specific embodiment
Referring to figs. 2 and 3, the structure setting of rope oscillation crosswise measuring device is moved axially in the present embodiment are as follows:
Setting rope circulation gear unit, be by driving wheel 13, driven wheel 2, tensioning wheel 28, tension sensor train 6 and
The first stepper motor 14 for driving driving wheel 13 constitutes circulation train, is wound on circulation wheel in the rope 3 of close ring and fastens to be formed
Rope in perpendicular recycles gear unit；Driving wheel 13, driven wheel 2 and tensioning wheel 28 are fixed at jointly on bottom plate 1；If
Bottom set plate reference axis, bottom plate reference axis refer to the reference axis being consolidated on bottom plate 1 that rope moves on direction.
Displacement measurement system is set: including being fixedly mounted on the top of rope and parallel with the moving direction of rope in level
Linear guide 5, the first sliding block 9 and the second sliding block 7 being slidably matched with linear guide 5；It is fixedly connected in the lower section of the first sliding block 9
There is crossbeam 10, non-contact displacement transducer group 8 is arranged in the bottom of crossbeam 10；It is arranged with 5 horizontal parallel of linear guide
There is straight-line ball lead screw guide rails slide unit 19, driving is realized by second stepper motor 18 and realizes that the straight line of transmission rolls by lead screw 26
Third sliding block 17 is sliding combined on ballscrew guide rail slide unit 19, third sliding block 17 can connect by longitudinally connected plate 22 and laterally
Fishplate bar 23 drives the movement of the first sliding block 9 and/or the second sliding block 7, and drives crossbeam 10 and non-contact displacement transducer group 8
Translation；Wherein, connection or third sliding block 17 and second of the longitudinally connected plate 22 for third sliding block 17 and the first sliding block 9 are sliding
The connection of block 7, cross connecting plate are used for the connection of the first sliding block 9 and the second sliding block 7；Longitudinally connected plate 22 and cross connecting plate 23
It is easy to dismount, 3 different mobile works of rope is realized by the different installation combination of longitudinally connected plate 22 and cross connecting plate 23
Condition；Non-contact displacement transducer group 8 is located at the surface of rope 3, and every position in non-contact displacement transducer group 8 is adjustable
Sensor can measure restrict immediately below it upper particle vertical direction displacement；The tension sensor train 6 passes through
Connecting plate is connected firmly in the lower section of the second sliding block 7.
In specific implementation, corresponding structure setting also includes:
Non-contact displacement transducer group 8 uses laser displacement sensor；It is disposed in the initial rope length center of rope 3
Shift scale 27, for measuring the displacement of initial rope length center；Rope 3 in rope circulation gear unit can be changed to not
Same material；Rope 3 can be steel band, nylon tape, strap or belt.
Axial movement rope oscillation crosswise measuring device has following five kinds of measurement methods in the present embodiment.
Measurement method one:
Start the first stepper motor 14 and second stepper motor 18, third sliding block 17 passes through longitudinally connected with the first sliding block 9
Plate 22 is connected, and the first sliding block 9 is connected with the second sliding block 7 by cross connecting plate 23, passes through rolling by the first stepper motor 18
When third sliding block 17 on ballscrew guide rail slide unit 19 drives the first sliding block 9 and the second sliding block 7 with given speed synchronizing moving, give
Rope provides the initial excitation of a setting；Displacement sensor group 8 specifies particle in rope elongation or shortening on tracking measurement rope
Lateral displacement when moving, under the conditions of verifying given initial excitation, the mobile upper particle oscillation crosswise model of restricting of elongated degree
Numerical solution algorithm accuracy.
Measurement method two,
Start the first stepper motor 14 and second stepper motor 18, third sliding block 17 passes through longitudinally connected with the first sliding block 9
Plate 22 is connected, and the first sliding block 9 is not connected to the second sliding block 7, keeps 7 holding position of the second sliding block constant using fixing bolt 25；
Drive the first sliding block 9 with given speed synchronizing moving by third sliding block 17 by second stepper motor 18, rope 3 is same with identical speed
Moved further, at this point, rope length is between driving wheel 13 and tension sensor train 6, and in driven wheel 2 and tension sensor train
It is fixed value between 6, particle is mobile on rope, provides the initial excitation of a setting to rope, is tracked by displacement sensor group 8
It measures and specifies the lateral displacement of particle when moving on measured length rope；Under the conditions of verifying given initial excitation, measured length is moved
The accuracy of the numerical solution algorithm of particle oscillation crosswise model on running rope.
Measurement method three,
Start the first stepper motor 14 and second stepper motor 18, third sliding block 17 are not connected to the first sliding block 9, third is sliding
Block 17 is connected with the second sliding block 7 by cross connecting plate 23, remains unchanged the position of the first sliding block 9 using fixing bolt；
Drive the second sliding block 7 with given speed synchronizing moving by third sliding block 17 by second stepper motor 18, at this point, displacement sensor
The position of group 8 is fixed, and provides the initial excitation of a setting to rope, is stretched using the measurement rope of displacement sensor group 8 with friction speed
Correspond to the lateral displacement of bottom plate reference axis specified point in rope when long or shortening, under the conditions of verifying given initial excitation, becomes
The accuracy of the mobile rope numerical solution algorithm of specified point oscillation crosswise model in bottom plate reference axis of length.
Measurement method four:
Second stepper motor 18 stops, and the first stepper motor 14 is rotated clockwise or counterclockwise with setting speed, at this point, position
Displacement sensor group 8 and the position of tension sensor train 6 are fixed, rope length driving wheel 13 and tension sensor train 6 it
Between, and be fixed value between driven wheel 2 and tension sensor train 6, the speed shift to right or left restricted to set is mentioned to rope
For an initial excitation, measured when measured length rope 3 is moved to left or moved to right with friction speed using displacement sensor group 8 in bottom plate coordinate
The lateral displacement of specified point on axis, under the conditions of verifying given initial excitation, the mobile rope of measured length is special in bottom plate reference axis
Determine the accuracy of the numerical solution algorithm of location point oscillation crosswise model.
Measurement method five:
First stepper motor 14 and second stepper motor 18 all stop, rope 3, displacement sensor group 8 and tension sensor wheel
It is that 6 all positions are fixed, provides the initial excitation of a setting to rope 3, is measured on the fixed rope in both ends using displacement sensor group 8
The lateral displacement of given particle, under the conditions of verifying given initial excitation, the fixed rope in both ends is specific in bottom plate reference axis
The accuracy of the numerical solution algorithm of the oscillation crosswise model of point.
Initial excitation refers to that the midpoint to measured length rope gives certain initial displacement, then discharges.
Do not start in second stepper motor 18, when the first stepper motor 14 rotates clockwise, realizes that measured length rope moves right
It is dynamic；Do not start in second stepper motor 18, the first stepper motor 14 rotates counterclockwise, and realizes that measured length rope is moved to the left, as
System shown in Fig. 1 a.
Start in second stepper motor 18, when the first stepper motor 14 rotates clockwise, longitudinal direction is passed through by third sliding block 17
Connecting plate 22 drives 7 level of the second sliding block to move to right, and realizes the elongation that moves right of rope, as system shown in Fig. 1 b；
Start in second stepper motor 18, when the first stepper motor 14 rotates counterclockwise, longitudinal direction is passed through by third sliding block 17
Connecting plate 22 drives 7 horizontal left of the second sliding block, realizes the shortening that is moved to the left of rope, as system shown in Fig. 1 c.
Shift scale 27 is arranged in the center of initial rope length, when the primary condition of rope oscillation crosswise is given rope center
When point displacement, the displacement of the point is measured using shift scale 27, is calculated for numerical value.
The present embodiment is the transmission speed and direction using the first step motor control rope, and the material by changing rope obtains
Different vibration characteristics；Using the transverse vibrational displacement of the measurement of non-contact displacement transducer group 8 rope 3, tension sensor is utilized
The size of the measurement of train 6 inner tensions of rope 3 in rope oscillation crosswise initial time and vibration processes, and by CHB force measurement
Table 4 shown, restrict 3 initial displacement by tape measure, can using the adjustable non-contact displacement transducer in multiple positions
To measure the lateral displacement for upper difference of restricting.11 pairs of detection signals of vibration signals collecting conditioning module are equipped in specific implementation
It is improved and is stored, and monitored in real time by computer 12；Setting motor drive module 16 is for controlling each stepping
Start and stop, direction and the speed of motor meet the needs of various experimental programs, experimentation to simulate a variety of mobile rope operating conditions
It can be controlled by operator by control panel for motor 15.
Claims (5)
1. a kind of mobile rope oscillation crosswise measurement method of measured length, it is characterized in that:
The structure type that axial movement rope oscillation crosswise measuring device is arranged is: setting rope circulation gear unit, is by driving wheel
(13), driven wheel (2), tensioning wheel (28), tension sensor train (6) and the first stepping electricity for driving driving wheel (13)
Machine (14) composition circulation train is wound on the circulation wheel in the rope (3) of close ring and fastens the rope to be formed in perpendicular circulation biography
Moving cell；The driving wheel (13), driven wheel (2) and tensioning wheel (28) are fixed at jointly on bottom plate (1)；Bottom plate is arranged to sit
Parameter, the bottom plate reference axis refer to the reference axis being consolidated on bottom plate (1) that rope moves on direction；Displacement measurement system is set:
Including in the horizontal top for being fixedly mounted on rope and the linear guide (5) parallel with the moving direction of rope and linear guide (5)
The first sliding block (9) and the second sliding block (7) being slidably matched；Crossbeam (10) are fixedly connected with below first sliding block (9),
Non-contact displacement transducer group (8) is arranged in the bottom of the crossbeam (10)；It is arranged with the linear guide (5) horizontal parallel
There are straight-line ball lead screw guide rails slide unit (19), the third sliding block being slidably matched on the straight-line ball lead screw guide rails slide unit (19)
(17) first sliding block (9) and/or the second sliding block can be driven by longitudinally connected plate (22) and cross connecting plate (23)
(7) movement, and drive the translation of crossbeam (10) and non-contact displacement transducer group (8)；Longitudinally connected plate (22) is for the
The connection of three sliding blocks (17) and the first sliding block (9) or the connection of third sliding block (17) and the second sliding block (7), cross connecting plate are used
In the connection of the first sliding block (9) and the second sliding block (7)；Longitudinally connected plate (22) and cross connecting plate (23) are readily disassembled and pacify
Dress realizes the different mobile work of rope (3) by the different installation combination of longitudinally connected plate (22) and cross connecting plate (23)
Condition；The non-contact displacement transducer group (8) is located at the surface of rope (3), every in non-contact displacement transducer group (8)
Sensor can measure restrict immediately below it upper particle vertical direction displacement；The tension sensor train (6) is logical
Connecting plate is crossed to connect firmly in the lower section of the second sliding block (7)；
The mobile rope oscillation crosswise measurement method of the measured length is to carry out as follows:
Second stepper motor (18) stops, and the first stepper motor (14) is rotated clockwise or counterclockwise with setting speed, at this point, position
Displacement sensor group (8) and the position of tension sensor train (6) are fixed, and rope length is in driving wheel (13) and tension sensor wheel
Be (6) between, and between driven wheel (2) and tension sensor train (6) be fixed value, restrict moved to right with the speed set or
Move to left, to rope provide an initial excitation, using displacement sensor group (8) measurement measured length rope (3) moved to left with friction speed or
When moving to right in bottom plate reference axis specified point lateral displacement, under the conditions of verifying given initial excitation, the mobile rope of measured length
The accuracy of the numerical solution algorithm of specific location point oscillation crosswise model in bottom plate reference axis.
2. the mobile rope oscillation crosswise measurement method of measured length according to claim 1, it is characterized in that: the contactless position
Displacement sensor group (8) uses laser displacement sensor.
3. the mobile rope oscillation crosswise measurement method of measured length according to claim 1, it is characterized in that: in the initial of rope (3)
Rope length center is disposed with shift scale (27), for measuring the displacement of initial rope length center.
4. the mobile rope oscillation crosswise measurement method of measured length according to claim 1, it is characterized in that: rope circulation transmission
Rope (3) in unit can be changed to different materials.
5. the mobile rope oscillation crosswise measurement method of measured length according to claim 4, it is characterized in that the rope (3) can be
Steel band, nylon tape, strap or belt.
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| CN201611136479.7A CN106768272B (en) | 2014-09-03 | 2014-09-03 | A kind of mobile rope oscillation crosswise measurement method of measured length |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410446260.1A CN104180758B (en) | 2014-09-03 | 2014-09-03 | Axially-moving rope transverse vibration measurement device and method |
| CN201611136479.7A CN106768272B (en) | 2014-09-03 | 2014-09-03 | A kind of mobile rope oscillation crosswise measurement method of measured length |
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| CN201410446260.1A Expired - Fee Related CN104180758B (en) | 2014-09-03 | 2014-09-03 | Axially-moving rope transverse vibration measurement device and method |
| CN201611136583.6A Active CN106768273B (en) | 2014-09-03 | 2014-09-03 | The oscillation crosswise measurement method of the mobile rope of measured length |
| CN201611136480.XA Active CN106500605B (en) | 2014-09-03 | 2014-09-03 | A kind of axial movement rope oscillation crosswise measuring device and its application |
| CN201611136479.7A Active CN106768272B (en) | 2014-09-03 | 2014-09-03 | A kind of mobile rope oscillation crosswise measurement method of measured length |
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| CN201611136583.6A Active CN106768273B (en) | 2014-09-03 | 2014-09-03 | The oscillation crosswise measurement method of the mobile rope of measured length |
| CN201611136480.XA Active CN106500605B (en) | 2014-09-03 | 2014-09-03 | A kind of axial movement rope oscillation crosswise measuring device and its application |
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| CN105241385B (en) * | 2015-09-25 | 2018-03-06 | 上海新纪元机器人有限公司 | The method for real-time measurement of object vibration displacement in inertial space |
| CN105136084B (en) * | 2015-10-13 | 2017-10-13 | 哈尔滨东安汽车发动机制造有限公司 | A kind of dynamo belt horizontal looseness displacement measuring device and its measuring method |
| CN105329240B (en) * | 2015-11-20 | 2017-09-29 | 华南农业大学 | A kind of chain type freight ropeway vibration absorber and method |
| CN109269746A (en) * | 2018-10-30 | 2019-01-25 | 中原工学院 | A kind of Yarn-spinning spindle spindle pivot vibration journey detection system and its detection method in groups |
| CN112880609B (en) * | 2021-01-13 | 2023-02-28 | 上海逸动医学科技有限公司 | Detection device and method for measuring length change of human body and specimen graft |
| CN113739735A (en) * | 2021-08-31 | 2021-12-03 | 普宙科技(深圳)有限公司 | Electric winch device with automatic limiting and rope length detecting functions |
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- 2014-09-03 CN CN201410446260.1A patent/CN104180758B/en not_active Expired - Fee Related
- 2014-09-03 CN CN201611136583.6A patent/CN106768273B/en active Active
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| CN1336259A (en) * | 2000-08-07 | 2002-02-20 | 株式会社日立制作所 | Rolling equipment having belt shape testing device, belt shape testing method and rolling method |
| CN1987388A (en) * | 2006-12-15 | 2007-06-27 | 中国地质大学（武汉） | Follow-up detector for two dimension moving point steel cable tension and displacement |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106768273A (en) | 2017-05-31 |
| CN104180758A (en) | 2014-12-03 |
| CN106595839A (en) | 2017-04-26 |
| CN106768273B (en) | 2019-08-02 |
| CN106500605A (en) | 2017-03-15 |
| CN106500605B (en) | 2018-11-06 |
| CN106768272A (en) | 2017-05-31 |
| CN104180758B (en) | 2017-01-25 |
| CN106595839B (en) | 2019-08-02 |
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