CN104180758A - Axially-moving rope transverse vibration measurement device and method - Google Patents
Axially-moving rope transverse vibration measurement device and method Download PDFInfo
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- CN104180758A CN104180758A CN201410446260.1A CN201410446260A CN104180758A CN 104180758 A CN104180758 A CN 104180758A CN 201410446260 A CN201410446260 A CN 201410446260A CN 104180758 A CN104180758 A CN 104180758A
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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 an axially-moving rope transverse vibration measurement device. The axially-moving rope transverse vibration measurement device is characterized in that the device is provided with a rope circulating transmission unit, a driving wheel, a driven wheel, a tensioning wheel, a tension sensor wheel train and a first stepping motor driving the driving wheel form a circulating wheel train, a rope in a closed-ring mode is wound around the circulating wheel train to form the rope circulating transmission unit in a vertical plane; a method for measuring the fixed length, extension and shortening working conditions and the like and corresponding working conditions of the rope is achieved through separated motions or linkage of a first slide block and a second slide block; the device is provided with a displacement measurement system which is arranged right above the rope through a non-contact displacement sensor and can measure displacement of a particle on the rope right under the system in the vertical direction. The axially-moving rope transverse vibration measurement device can be used for simulating various working conditions for applying a moving rope on a project and measuring transverse displacement vibration of multiple specific points on the moving rope under various working conditions, provides an experiment basis for a moving rope model vibration response checkout computational algorithm and can be also used for moving rope vibration control.
Description
Technical field
The present invention relates to a kind of proving installation that moves rope transverse vibration under given translational speed and tension force for measuring elongated degree.More specifically relate to a kind of test experiments platform and pilot system that moves down running rope transversal displacement vibration non-contact measurement at given initial displacement.
Background technology
The system of moving of axially restricting is a type of axially moving materials, has many application, as cable car cableway, tethered satellite, rope yarn, dynamic conveyor belt, tape, paper tape etc. in engineering.Axial rope moves system simplification mechanical model and is roughly divided three classes by the long Changing Pattern of rope.For long fixed rope moves system, be characterized in that survey region length is constant as shown in Figure 1a, rope has translational speed, has rope newly-increased and that disappear at survey region two ends, and its application example has travelling belt, cable car cableway, powerdriven belt etc.; The rope system of moving that the rope of the elongation shown in Fig. 1 b moves the shortening shown in system and Fig. 1 c can be classified as a class, be characterized in survey region length variations, at one end there is rope newly-increased or that disappear, its application example has the cable wire of elevator, crane is lifted the rise and fall of lift heavy thing, the rope system when primary of Tethered Systems discharges or reclaims component etc.Obviously, the vibratory response of this type systematic and vibration characteristics have important using value for vibration and the stability control of engineering system.
Because, there is time dependent coefficient entry in the movement of rope system in equation, form parametric excitation, the vibration of the type is parametric vibration, can not obtain its Theory Solution by the method for traditional linear system.At present researcher has proposed multiple numerical computation method and has solved the vibration problem of mobile rope, still needs the experimental provision algorithm of testing for these computing method.For this reason, experimental provision need to meet three kinds of system forms shown in energy simulation drawing 1a, Fig. 1 b and Fig. 1 c, comprises that measured length rope moves system and elongated degree rope moves system; Want the tension force of the speed, direction and the rope that can given rope move, can change the material parameter of rope, as density, elastic modulus etc., can give rope system specific excitation, as initial displacement excitation, pulse excitation etc., and the transversal displacement of the multiple specified points of length direction of can tracking measurement restricting when the transversal displacement of multiple particles when mobile and rope move on rope.But up to now, open report is not still shown in by this class experimental provision, also do not have a kind of mobile rope vibration testing device that multiple operating modes can be provided and measuring table to carry out the result of calculation of check number value-based algorithm.
Summary of the invention
The present invention is for avoiding the existing weak point of above-mentioned prior art, provides one to move axially rope transverse vibration measurement mechanism, and a numerical computation method that is used to the vibration that solves mobile rope provides measurement mechanism, so that logarithm value computing method are tested; The 2nd, for the control of mobile rope vibration; The 3rd, as the experiment porch of College Specialized Course Education and scientific research.
The present invention is that technical solution problem adopts following technical scheme:
The design feature that the present invention moves axially rope transverse vibration measurement mechanism is:
Rope circulation gear unit is set, by driving wheel, engaged wheel, stretching pulley, tension pick-up train and become circulation train for the first stepping electrical mechanisms that drives driving wheel, the rope that is closed hoop fastens around described circulation wheel the rope circulation gear unit forming in perpendicular; Described driving wheel, engaged wheel and stretching pulley are fixedly installed on base plate jointly; Base plate coordinate axis is set, and described base plate coordinate axis refers to that rope moves the coordinate axis on base plate that is consolidated in direction.
Displacement measurement system is set: comprise and be the first slide block and the second slide block that level is fixedly mounted on the top of rope and is slidably matched with the parallel line slideway of moving direction of rope, with line slideway; Below described the first slide block, be fixedly connected with crossbeam, non-contact displacement transducer group is arranged in the bottom of described crossbeam; Be provided with straight-line ball lead screw guide rails slide unit with described line slideway horizontal parallel, the 3rd slide block being slidably matched on described straight-line ball lead screw guide rails slide unit can drive by longitudinal web joint and cross connecting plate the movement of described the first slide block and/or the second slide block, and drives the translation of crossbeam and non-contact displacement transducer group; Longitudinally web joint is for the 3rd slide block and the connection of the first slide block or the connection of the 3rd slide block and the second slide block, and cross connecting plate is for the connection of the first slide block and the second slide block; Longitudinally web joint and cross connecting plate are easy to removal and installation, realize the different mobile operating mode of rope by longitudinal web joint installation array mode different with cross connecting plate; Described non-contact displacement transducer group be positioned at rope directly over, every sensor in non-contact displacement transducer group can be measured and be positioned under it upper particle of rope in the displacement of vertical direction; Described tension pick-up train connects firmly below the second slide block by web joint.
The design feature that the present invention moves axially rope transverse vibration measurement mechanism is also:
Described non-contact displacement transducer group adopts laser displacement sensor,
The long center of initial rope at rope is furnished with displacement scale, for measuring the displacement of the long center of initial rope.
Rope in described rope circulation gear unit can be replaced by different materials.
Described rope can be steel band, nylon tape, strap or belt.
The feature that the present invention moves axially the measuring method of rope transverse vibration measurement mechanism is:
Start the first stepper motor and the second stepper motor, the 3rd slide block is connected by longitudinal web joint with the first slide block, the first slide block is connected by cross connecting plate with the second slide block, during with given speed synchronizing moving, provide the initial excitation of a setting by the 3rd slider-actuated the first slide block on ball-screw guide rail slide unit and the second slide block to rope by the first stepper motor; Displacement transducer group is specified the transversal displacement of particle when mobile on tracking measurement rope in the time of rope elongation or shortening, and for verifying under given initial excitation condition, elongated degree moves the accuracy of the numerical solution algorithm of the upper particle transverse vibration model of rope.
The feature that the present invention moves axially the measuring method of rope transverse vibration measurement mechanism is:
Start the first stepper motor and the second stepper motor, the 3rd slide block is connected by longitudinal web joint with the first slide block, and the first slide block is not connected with the second slide block, utilizes set bolt to make the second slide block holding position constant; Pass through the 3rd slider-actuated the first slide block with given speed synchronizing moving by the second stepper motor, rope is with identical speed synchronizing moving, now, rope is long between driving wheel and tension pick-up train, and be fixed value between engaged wheel and tension pick-up train, on rope, particle is mobile, and the initial excitation of a setting is provided to rope, by the transversal displacement of specifying particle on displacement transducer group tracking measurement measured length rope when mobile; Be used for verifying under given initial excitation condition, measured length moves the accuracy of the numerical solution algorithm of the upper particle transverse vibration model of rope.
The feature that the present invention moves axially the measuring method of rope transverse vibration measurement mechanism is:
Start the first stepper motor and the second stepper motor, the 3rd slide block is not connected with the first slide block, and the 3rd slide block is connected by web joint with the second slide block, utilizes set bolt that the position of the first slide block is remained unchanged; Pass through the 3rd slider-actuated the second slide block with given speed synchronizing moving by the second stepper motor, now, the position of displacement transducer group is fixed, the initial excitation of a setting is provided to rope, utilize displacement transducer group to measure and restrict while elongating or shortening with friction speed at the transversal displacement of restricting corresponding to base plate coordinate axis specified point, be used for verifying under given initial excitation condition, elongated degree moves the accuracy of rope numerical solution algorithm of specified point transverse vibration model in base plate coordinate axis.
The feature that the present invention moves axially the measuring method of rope transverse vibration measurement mechanism is:
The second stepper motor stops, the first stepper motor with setting speed clockwise or rotate counterclockwise, now, the position of displacement transducer group and tension pick-up train maintains static, rope is long between driving wheel and tension pick-up train, and be fixed value between engaged wheel and tension pick-up train, the speed shift to right or left of rope to set, provide an initial excitation to rope, while utilizing displacement transducer group to measure measured length rope to move to left or move to right with friction speed in base plate coordinate axis the transversal displacement of specified point, be used for verifying under given initial excitation condition, measured length moves the accuracy of rope numerical solution algorithm of specific location point transverse vibration model in base plate coordinate axis.
The feature that the present invention moves axially the measuring method of rope transverse vibration measurement mechanism is:
The first stepper motor and the second stepper motor all stop, rope, displacement transducer group and tension pick-up train are all fixed position, the initial excitation of a setting is provided to rope, utilize displacement transducer group to measure the transversal displacement of given particle on the fixing rope in two ends, be used for verifying under given initial excitation condition the accuracy of the fixing rope numerical solution algorithm of the transverse vibration model of specified point in base plate coordinate axis in two ends.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the present invention can be used for the various operating modes of mobile rope application on model engineering, and can be used for measuring the transversal displacement vibration that moves down multiple specified points on running rope in various operating modes, for checking mobile rope model Calculation of Vibration Response algorithm that experimental basis is provided, also can 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, being used in conjunction with of the first stepper motor and the second stepper motor in the present invention, can realize five kinds of Test Cycles, and control system is greatly simplified, and reduces departure;
3, the present invention adopts ball-screw guide rail slide unit and line slideway, effectively improves stability and the accuracy that experiment transmits, and meets the synchronism moving up and down simultaneously.
4, the present invention can be by changing the rope of unlike material, and realizing is the measurement of transverse vibration displacement to different materials rope.
Brief description of the drawings
Fig. 1 a is that fixed length rope moves system schematic;
Fig. 1 b is that the rope extending moves system schematic;
Fig. 1 c is that the rope shortening moves system schematic;
Fig. 2 is facade structures schematic diagram of the present invention;
Fig. 3 is that cathetus ball-screw guide rail slide unit of the present invention coordinates schematic diagram with line slideway;
Number in the figure: 1 base plate, 2 engaged wheels, 3 ropes, 4 is CHB force measurement table, 5 line slideways, 6 tension pick-up trains, 7 second slide blocks, 8 displacement transducer groups, 9 first slide blocks, 10 crossbeams, 11 vibration signals collecting conditioning module, 12 computing machines, 13 driving wheels, 14 first stepper motors, 15 control panel for motors, 16 motor drive modules, 17 the 3rd slide blocks, 18 second stepper motors, 19 straight-line ball lead screw guide rails slide units, 22 longitudinal web joints, 23 cross connecting plates, 25 set bolts, 26 leading screws, 27 displacement scales, 28 stretching pulleys.
Embodiment
Referring to Fig. 2 and Fig. 3, the structure that moves axially rope transverse vibration measurement mechanism in the present embodiment is set to:
Rope circulation gear unit is set, by driving wheel 13, engaged wheel 2, stretching pulley 28, tension pick-up train 6 and form circulation train for the first stepper motor 14 that drives driving wheel 13, the rope 3 that is closed hoop fastens around circulation wheel the rope circulation gear unit forming in perpendicular; Driving wheel 13, engaged wheel 2 and stretching pulley 28 are fixedly installed on base plate 1 jointly; Base plate coordinate axis is set, and base plate coordinate axis refers to that rope moves the coordinate axis on base plate 1 that is consolidated in direction.
Displacement measurement system is set: comprise and be the first slide block 9 and the second slide block 7 that level is fixedly mounted on the top of rope and is slidably matched with the parallel line slideway 5 of moving direction of rope, with line slideway 5; Below the first slide block 9, be fixedly connected with crossbeam 10, non-contact displacement transducer group 8 is arranged in the bottom of crossbeam 10; Be provided with straight-line ball lead screw guide rails slide unit 19 with described line slideway 5 horizontal parallel, realize and drive and realized by leading screw 26 on the straight-line ball lead screw guide rails slide unit 19 of transmission and be sliding combined with the 3rd slide block 17 by the second stepper motor 18, the 3rd slide block 17 can drive the movement of the first slide block 9 and/or the second slide block 7 by longitudinal web joint 22 and cross connecting plate 23, and drives the translation of crossbeam 10 and non-contact displacement transducer group 8; Wherein, longitudinally web joint 22 is for the connection of the 3rd slide block 17 and the first slide block 9 or the connection of the 3rd slide block 17 and the second slide block 7, and cross connecting plate is for the connection of the first slide block 9 and the second slide block 7; Longitudinally web joint 22 and cross connecting plate 23 are easy to dismounting, realize the different mobile operating mode of rope 3 by longitudinal web joint 22 installation array mode different with cross connecting plate 23; Non-contact displacement transducer group 8 be positioned at rope 3 directly over, the adjustable sensor in every position in non-contact displacement transducer group 8 can be measured and be positioned under it upper particle of rope in the displacement of vertical direction; Described tension pick-up train 6 connects firmly below the second slide block 7 by web joint.
In concrete enforcement, corresponding structure setting also comprises:
Non-contact displacement transducer group 8 adopts laser displacement sensor; The long center of initial rope at rope 3 is furnished with displacement scale 27, for measuring the displacement of the long center of initial rope; Rope 3 in rope circulation gear unit can be replaced by different materials; Rope 3 can be steel band, nylon tape, strap or belt.
In the present embodiment, move axially rope transverse vibration measurement mechanism and have following five kinds of measuring methods.
Measuring method one:
Start the first stepper motor 14 and the second stepper motor 18, the 3rd slide block 17 is connected by longitudinal web joint 22 with the first slide block 9, the first slide block 9 is connected by cross connecting plate 23 with the second slide block 7, while driving the first slide block 9 and the second slide block 7 with given speed synchronizing moving by the first stepper motor 18 by the 3rd slide block 17 on ball-screw guide rail slide unit 19, provide the initial excitation of a setting to rope; Displacement transducer group 8 is specified the transversal displacement of particle when mobile on tracking measurement rope in the time of rope elongation or shortening, and for verifying under given initial excitation condition, elongated degree moves the accuracy of the numerical solution algorithm of the upper particle transverse vibration model of rope.
Measuring method two,
Start the first stepper motor 14 and the second stepper motor 18, the three slide blocks 17 are connected by longitudinal web joint 22 with the first slide block 9, the first slide block 9 is not connected with the second slide block 7, utilizes set bolt 25 to make the second slide block 7 holding positions constant; Drive the first slide block 9 with given speed synchronizing moving by the second stepper motor 18 by the 3rd slide block 17, rope 3 is with identical speed synchronizing moving, now, rope is long between driving wheel 13 and tension pick-up train 6, and be fixed value between engaged wheel 2 and tension pick-up train 6, on rope, particle is mobile, and the initial excitation of a setting is provided to rope, by the transversal displacement of specifying particle on displacement transducer group 8 tracking measurement measured length ropes when mobile; Be used for verifying under given initial excitation condition, measured length moves the accuracy of the numerical solution algorithm of the upper particle transverse vibration model of rope.
Measuring method three,
Start the first stepper motor 14 and the second stepper motor 18, the three slide blocks 17 are not connected with the first slide block 9, the 3rd slide block 17 is connected by cross connecting plate 23 with the second slide block 7, utilizes set bolt that the position of the first slide block 9 is remained unchanged; Drive the second slide block 7 with given speed synchronizing moving by the second stepper motor 18 by the 3rd slide block 17, now, the position of displacement transducer group 8 is fixed, the initial excitation of a setting is provided to rope, utilizing displacement transducer group 8 to measure restricts while elongating or shortening with friction speed at the transversal displacement of restricting corresponding to base plate coordinate axis specified point, be used for verifying under given initial excitation condition, elongated degree moves the accuracy of rope numerical solution algorithm of specified point transverse vibration model in base plate coordinate axis.
Measuring method four:
The second stepper motor 18 stops, the first stepper motor 14 with setting speed clockwise or rotate counterclockwise, now, displacement transducer group 8 maintains static with the position of tension pick-up train 6, rope is long between driving wheel 13 and tension pick-up train 6, and be fixed value between engaged wheel 2 and tension pick-up train 6, the speed shift to right or left of rope to set, provide an initial excitation to rope, while utilizing displacement transducer group 8 to measure measured length rope 3 to move to left or move to right with friction speed in base plate coordinate axis the transversal displacement of specified point, be used for verifying under given initial excitation condition, measured length moves the accuracy of rope numerical solution algorithm of specific location point transverse vibration model in base plate coordinate axis.
Measuring method five:
The first stepper motor 14 and the second stepper motor 18 all stop, rope 3, displacement transducer group 8 and tension pick-up train 6 are all fixed position, the initial excitation of a setting is provided to rope 3, utilize displacement transducer group 8 to measure the transversal displacement of given particle on the fixing rope in two ends, be used for verifying under given initial excitation condition the accuracy of the fixing rope numerical solution algorithm of the transverse vibration model of specified point in base plate coordinate axis in two ends.
Initial excitation refers to the given certain initial displacement of the mid point of measured length rope, then discharges.
Do not start at the second stepper motor 18, when the first stepper motor 14 clockwise rotates, realize measured length rope and move right; Do not start at the second stepper motor 18, the first stepper motor 14 rotates counterclockwise, and realizes measured length rope and is moved to the left, and is system shown in Fig. 1 a.
Start at the second stepper motor 18, when the first stepper motor 14 clockwise rotates, drive the second slide block 7 levels to move to right by the 3rd slide block 17 by longitudinal web joint 22, realize the elongation that moves right of rope, be system shown in Fig. 1 b;
Start at the second stepper motor 18, when the first stepper motor 14 rotates counterclockwise, drive the second slide block 7 horizontal left by the 3rd slide block 17 by longitudinal web joint 22, realize the shortening that is moved to the left of rope, be system shown in Fig. 1 c.
Displacement scale 27 is arranged in the long center of initial rope, in the time that the starting condition of rope transverse vibration is given rope central point displacement, utilizes displacement scale 27 to measure the displacement size of this point, for numerical evaluation.
The present embodiment is transmission speed and the direction of utilizing the first step motor control rope, and the material of restricting by change obtains different vibration characteristics; The transverse vibration displacement that utilizes non-contact displacement transducer group 8 to measure rope 3, utilize tension pick-up train 6 to measure to restrict the size of 3 inner tensions in rope transverse vibration initial time and vibration processes, and shown by CHB force measurement table 4, the initial displacement of rope 3, by tape measure, utilizes the adjustable non-contact displacement transducer in multiple positions can measure the transversal displacement of the upper difference of rope.In concrete enforcement, be equipped with vibration signals collecting conditioning module 11 detection signal is nursed one's health and stored, and monitor in real time by computing machine 12; Motor drive module 16 is set for controlling start and stop, direction and the speed of each stepper motor, thereby simulates multiple mobile rope operating mode, meet the demand of various experimental programs, experimentation can be controlled by control panel for motor 15 by operating personnel.
Claims (10)
1. move axially a rope transverse vibration measurement mechanism, it is characterized in that:
Rope circulation gear unit is set, by driving wheel (13), engaged wheel (2), stretching pulley (28), tension pick-up train (6) and form circulation train for the first stepper motor (14) that drives driving wheel (13), the rope (3) that is closed hoop fastens around described circulation wheel the rope circulation gear unit forming in perpendicular; Described driving wheel (13), engaged wheel (2) and stretching pulley (28) are fixedly installed on base plate (1) jointly; Base plate coordinate axis is set, and described base plate coordinate axis refers to that rope moves the coordinate axis on base plate (1) that is consolidated in direction; Displacement measurement system is set: comprise and be the first slide block (9) and the second slide block (7) that level is fixedly mounted on the top of rope and is slidably matched with the parallel line slideway (5) of moving direction of rope, with line slideway (5); Be fixedly connected with crossbeam (10) in the below of described the first slide block (9), non-contact displacement transducer group (8) is arranged in the bottom of described crossbeam (10); Be provided with straight-line ball lead screw guide rails slide unit (19) with described line slideway (5) horizontal parallel, the 3rd slide block (17) being slidably matched on described straight-line ball lead screw guide rails slide unit (19) can drive the movement of described the first slide block (9) and/or the second slide block (7) by longitudinal web joint (22) and cross connecting plate (23), and drives the translation of crossbeam (10) and non-contact displacement transducer group (8); Longitudinally web joint (22) is for the connection of the 3rd slide block (17) and the first slide block (9) or the connection of the 3rd slide block (17) and the second slide block (7), and cross connecting plate is for the connection of the first slide block (9) and the second slide block (7); Longitudinally web joint (22) and cross connecting plate (23) are easy to removal and installation, realize rope (3) different mobile operating mode by longitudinal web joint (22) installation array mode different with cross connecting plate (23); Described non-contact displacement transducer group (8) be positioned at rope (3) directly over, every sensor in non-contact displacement transducer group (8) can be measured and be positioned under it upper particle of rope in the displacement of vertical direction; Described tension pick-up train (6) connects firmly the below in the second slide block (7) by web joint.
2. the rope transverse vibration measurement mechanism that moves axially according to claim 1, is characterized in that: described non-contact displacement transducer group (8) adopts laser displacement sensor.
3. the rope transverse vibration measurement mechanism that moves axially according to claim 1, is characterized in that: the long center of initial rope at rope (3) is furnished with displacement scale (27), for measuring the displacement of the long center of initial rope.
4. the rope transverse vibration measurement mechanism that moves axially according to claim 1, is characterized in that: the rope (3) in described rope circulation gear unit can be replaced by different materials.
5. the rope transverse vibration measurement mechanism that moves axially according to claim 4, is characterized in that described rope (3) can be steel band, nylon tape, strap or belt.
6. a measuring method that moves axially rope transverse vibration measurement mechanism claimed in claim 1, is characterized in that:
Start the first stepper motor (14) and the second stepper motor (18), the 3rd slide block (17) is connected by longitudinal web joint (22) with the first slide block (9), the first slide block (9) is connected by cross connecting plate (23) with the second slide block (7), while driving the first slide block (9) and the second slide block (7) with given speed synchronizing moving by the first stepper motor (18) by the 3rd slide block (17) on ball-screw guide rail slide unit (19), provide the initial excitation of a setting to rope; Displacement transducer group (8) is specified the transversal displacement of particle when mobile on tracking measurement rope in the time of rope elongation or shortening, be used for verifying under given initial excitation condition, elongated degree moves the accuracy of the numerical solution algorithm of the upper particle transverse vibration model of rope.
7. a measuring method that moves axially rope transverse vibration measurement mechanism claimed in claim 1, is characterized in that:
Start the first stepper motor (14) and the second stepper motor (18), the 3rd slide block (17) is connected by longitudinal web joint (22) with the first slide block (9), the first slide block (9) is not connected with the second slide block (7), utilizes set bolt (25) to make the second slide block (7) holding position constant; Drive the first slide block (9) with given speed synchronizing moving by the second stepper motor (18) by the 3rd slide block (17), rope (3) is with identical speed synchronizing moving, now, rope is long between driving wheel (13) and tension pick-up train (6), and be fixed value between engaged wheel (2) and tension pick-up train (6), on rope, particle is mobile, provide the initial excitation of a setting to rope, by the transversal displacement of specifying particle on displacement transducer group (8) tracking measurement measured length rope when mobile; Be used for verifying under given initial excitation condition, measured length moves the accuracy of the numerical solution algorithm of the upper particle transverse vibration model of rope.
8. a measuring method that moves axially rope transverse vibration measurement mechanism claimed in claim 1, is characterized in that:
Start the first stepper motor (14) and the second stepper motor (18), the 3rd slide block (17) is not connected with the first slide block (9), the 3rd slide block (17) is connected by cross connecting plate (23) with the second slide block (7), utilizes set bolt that the position of the first slide block (9) is remained unchanged; Drive the second slide block (7) with given speed synchronizing moving by the second stepper motor (18) by the 3rd slide block (17), now, the position of displacement transducer group (8) is fixed, the initial excitation of a setting is provided to rope, utilize displacement transducer group (8) to measure and restrict while elongating or shortening with friction speed at the transversal displacement of restricting corresponding to base plate coordinate axis specified point, be used for verifying under given initial excitation condition, elongated degree moves the accuracy of rope numerical solution algorithm of specified point transverse vibration model in base plate coordinate axis.
9. a measuring method that moves axially rope transverse vibration measurement mechanism claimed in claim 1, is characterized in that:
The second stepper motor (18) stops, the first stepper motor (14) with setting speed clockwise or rotate counterclockwise, now, displacement transducer group (8) maintains static with the position of tension pick-up train (6), rope is long between driving wheel (13) and tension pick-up train (6), and be fixed value between engaged wheel (2) and tension pick-up train (6), the speed shift to right or left of rope to set, provide an initial excitation to rope, utilize displacement transducer group (8) measure measured length rope (3) when moving to left or move to right with friction speed in base plate coordinate axis the transversal displacement of specified point, be used for verifying under given initial excitation condition, measured length moves the accuracy of rope numerical solution algorithm of specific location point transverse vibration model in base plate coordinate axis.
10. a measuring method that moves axially rope transverse vibration measurement mechanism claimed in claim 1, is characterized in that:
The first stepper motor (14) all stops with the second stepper motor (18), rope (3), displacement transducer group (8) and tension pick-up train (6) are all fixed position, the initial excitation of a setting is provided to rope (3), utilize displacement transducer group (8) to measure the transversal displacement of given particle on the fixing rope in two ends, be used for verifying under given initial excitation condition the accuracy of the fixing rope numerical solution algorithm of the transverse vibration model of specified point in base plate coordinate axis in two ends.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611136583.6A CN106768273B (en) | 2014-09-03 | 2014-09-03 | The oscillation crosswise measurement method of the mobile rope of measured length |
| CN201410446260.1A CN104180758B (en) | 2014-09-03 | 2014-09-03 | Axially-moving rope transverse vibration measurement device and method |
| CN201611136581.7A CN106595839B (en) | 2014-09-03 | 2014-09-03 | The oscillation crosswise measurement method of the elongated mobile rope of degree |
| CN201611136479.7A CN106768272B (en) | 2014-09-03 | 2014-09-03 | A kind of mobile rope oscillation crosswise measurement method of measured length |
| CN201611136480.XA CN106500605B (en) | 2014-09-03 | 2014-09-03 | A kind of axial movement rope oscillation crosswise measuring device and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410446260.1A CN104180758B (en) | 2014-09-03 | 2014-09-03 | Axially-moving rope transverse vibration measurement device and method |
Related Child Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611136480.XA Division CN106500605B (en) | 2014-09-03 | 2014-09-03 | A kind of axial movement rope oscillation crosswise measuring device and its application |
| CN201611136583.6A Division CN106768273B (en) | 2014-09-03 | 2014-09-03 | The oscillation crosswise measurement method of the mobile rope of measured length |
| CN201611136581.7A Division CN106595839B (en) | 2014-09-03 | 2014-09-03 | The oscillation crosswise measurement method of the elongated mobile rope of degree |
| CN201611136479.7A Division CN106768272B (en) | 2014-09-03 | 2014-09-03 | A kind of mobile rope oscillation crosswise measurement method of measured length |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104180758A true CN104180758A (en) | 2014-12-03 |
| CN104180758B CN104180758B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611136581.7A Active CN106595839B (en) | 2014-09-03 | 2014-09-03 | The oscillation crosswise measurement method of the elongated mobile rope of degree |
| CN201410446260.1A Expired - Fee Related CN104180758B (en) | 2014-09-03 | 2014-09-03 | Axially-moving rope transverse vibration measurement device and method |
| CN201611136479.7A Active CN106768272B (en) | 2014-09-03 | 2014-09-03 | A kind of mobile rope oscillation crosswise measurement method of measured length |
| 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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105136084A (en) * | 2015-10-13 | 2015-12-09 | 哈尔滨东安汽车发动机制造有限公司 | Engine belt transverse movement displacement measurement device and measurement method thereof |
| CN105241385A (en) * | 2015-09-25 | 2016-01-13 | 上海新纪元机器人有限公司 | Real-time measuring method of object vibration displacement in inertia space |
| CN105329240A (en) * | 2015-11-20 | 2016-02-17 | 华南农业大学 | Chain-type freight ropeway vibration attenuation device 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 |
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| 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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| 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 |
| CN105136084A (en) * | 2015-10-13 | 2015-12-09 | 哈尔滨东安汽车发动机制造有限公司 | Engine belt transverse movement displacement measurement device and measurement method thereof |
| 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 |
| CN105329240A (en) * | 2015-11-20 | 2016-02-17 | 华南农业大学 | Chain-type freight ropeway vibration attenuation device 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106768272A (en) | 2017-05-31 |
| CN106768273A (en) | 2017-05-31 |
| CN104180758B (en) | 2017-01-25 |
| CN106595839A (en) | 2017-04-26 |
| CN106768273B (en) | 2019-08-02 |
| CN106500605B (en) | 2018-11-06 |
| CN106595839B (en) | 2019-08-02 |
| CN106768272B (en) | 2019-08-30 |
| CN106500605A (en) | 2017-03-15 |
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