CN109975115A - Multifibres helical contact fatigue, abrasion and damage detection apparatus and detection method inside wirerope - Google Patents
Multifibres helical contact fatigue, abrasion and damage detection apparatus and detection method inside wirerope Download PDFInfo
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- CN109975115A CN109975115A CN201811391302.0A CN201811391302A CN109975115A CN 109975115 A CN109975115 A CN 109975115A CN 201811391302 A CN201811391302 A CN 201811391302A CN 109975115 A CN109975115 A CN 109975115A
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/26—Investigating twisting or coiling properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0026—Combination of several types of applied forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
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Abstract
The invention discloses multifibres helical contact fatigue, abrasion and damage detection apparatus and detection methods inside a kind of wirerope, device includes support device, and the support device is equipped with tired steel wire charging assembly and with the load steel wire component of certain angle of the crossing and prestressing force and the tired steel wire helical contact；State monitoring apparatus；More steel wire spiral contact Fretting Fatigue Damage situations inside wirerope can be simulated using apparatus of the present invention, and torque, frictional force, temperature field, the coefficient of friction of more steel wires inside real-time monitoring wirerope disclose more steel wire spiral contact fretting fatigue fracture mechanisms, evaluate more steel wire fretting damage developments and more steel wire fretting fatigue lives.
Description
Technical field
The present invention relates to multifibres helical contact fatigue, abrasion and damage detection apparatus and methods inside a kind of wirerope, especially
It is suitable for the compound jogging motion modes such as more steel wire spiral contact form drop-down-drawings, drawing-torsion inside simulation wirerope, are used for
Monitor the experimental rig and method of more steel wire spiral contact fretting fatigues and fretting wear situation inside wirerope.
Background technique
Wirerope be with certain spiral angle by silk be twisted stock, again with stock be twisted rope have three-dimensional spiral space structure, have
The advantages that large carrying capacity, flexibility be good, movement is steady noiseless, be widely used in mine hoist, crane, elevator and
The fields such as aerial cableway.
Wirerope is mentioned during mine hoisting by the complex component that many spiral elements (steel wire or rope strand) form
It rises wirerope and bears cyclic tension and bending load, generate micron-sized Relative sliding and torsion between the interior steel wire that causes to restrict, connecing
Touch load effect lower generation tangential force effect, i.e. generation Fretting Wear Phenomenon between contacting steel wire.Mine hoisting steel cable is followed
The stretching of ring and twisted coupling effect lead to the germinating, extension and final fracture of crackle, accelerate wirerope fatigue breaking and influence
Wirerope use reliability.Therefore, it needs to develop for the characteristics such as multifibres helical contact fatigue, abrasion and damage inside wirerope
The device of detection.
The invention proposes multifibres helical contacts inside a kind of wirerope tired, abrasion and damage detection apparatus and method,
In different fretting fatigue parameters (fine motion frequency, fine motion vibration in more steel wire fretting fatigue processes under real-time dynamic monitoring helical structure
Width, alternating load, torsion angle, contact force, the angle of the crossing, arc of contact) under torque between steel wire, frictional force, temperature field, friction system
Number, to disclose more steel wire spiral contact fretting fatigue fracture mechanisms, evaluate more steel wire fretting damage developments and more steel wire frettings
Fatigue life.
Summary of the invention
Place that purpose of the invention is to overcome the shortcomings in the prior art provides a kind of wirerope inside multifibres spiral shell
Contact fatigue, abrasion and damage detection apparatus and method are revolved, steel wire under different working conditions can be simulated on a testing machine
The compound jogging motion modes such as the internal more steel wire spiral contact form drop-down-drawings of rope, drawing-torsion.
In order to achieve the above technical purposes, the present invention adopts the following technical scheme:
Multifibres helical contact fatigue, abrasion and damage detection apparatus inside a kind of wirerope, including support device, the support fill
It sets and is vertically provided with a tired steel wire, one end of tired steel wire is equipped with tired steel wire rotating mechanism, for driving tired steel wire
It is rotated around own axes；The other end is equipped with tired steel wire strainer, for carrying out pre-tensioning load to tired steel wire,
Further include:
Steel wire component is loaded, for certain angle of the crossing and prestressing force and the tired steel wire helical contact, the load steel wire
Component includes: spill steel wire loading mechanism and convex steel wire loading mechanism, wherein
Spill steel wire loading mechanism is set to the side of tired steel wire, comprising:
First shape support frame, first shape supporting framing front end are equipped with spill loading blocks, and spill loading blocks are equipped with for being embedded
The horizontal groove of spill load steel wire；
The arranged on left and right sides of first shape support frame, every group of first loading unit is arranged in two group of first loading unit, reverse symmetry
Include for drive spill load steel wire around own axes rotate first torsion driving unit and for spill load steel
Silk applies the first tensile force loading unit of tensile force, is embedded on the groove of spill loading blocks in the middle part of spill load steel wire,
One end is connect with the first torsion driving unit, and the other end is connect with the first tensile force loading unit；
First angle of the crossing regulating mechanism, for adjusting the intersecting angle between spill load steel wire and tired steel wire；
First positioning mechanism, for driving spill load steel wire to be in contact with certain prestressing force with tired steel wire；
Convex steel wire loading mechanism is set to the other side of tired steel wire, comprising:
Second shape support frame, second shape supporting framing front end are equipped with convex loading blocks, and convex loading blocks are equipped with for being embedded
The horizontal groove of convex load steel wire；
Two group of second loading unit, reverse symmetry are arranged in second shape support frame arranged on left and right sides, and every group of second loading unit is equal
Including for drive load steel wire around own axes rotate second torsion driving unit and for load steel wire apply be tensioned
Second tensile force loading unit of power, convex loads to be embedded on the groove of convex loading blocks in the middle part of steel wire, one end and second
Driving unit connection is reversed, the other end is connect with the second tensile force loading unit；
Second angle of the crossing regulating mechanism, for adjusting the intersecting angle between convex load steel wire and tired steel wire；
Second positioning mechanism, for driving convex load steel wire to be in contact with certain prestressing force with tired steel wire；
State monitoring apparatus, comprising:
First force snesor is connect, for monitoring the alternating load of tired steel wire in real time with tired steel wire charging assembly；
Angular transducer is connect with tired steel wire charging assembly, the rotation angle for real-time monitoring fatigue steel wire；
Static torque sensor is connect, the change in torque for real-time monitoring fatigue steel wire with tired steel wire charging assembly；
Second force snesor is arranged between tensile force loading unit and door shape support frame, answers for monitoring load the pre- of steel wire
Power variation；
Third force snesor, including two, the bottom of spill loading blocks is arranged in one of them, for monitoring spill load steel wire
The change in friction force between tired steel wire, the bottom of convex loading blocks is arranged in another, for monitor convex load steel wire and
Change in friction force between tired steel wire.
First angle of the crossing regulating mechanism includes the first load bar and the first turntable, wherein the one of the first load bar
End is fixedly connected with the rear end of first shape support frame, the other end and the connection of the first turntable, the first rotation sewing platform base and first
Positioning mechanism is fixedly connected；
Second angle of the crossing regulating mechanism includes the second load bar, fixed block and the second turntable, wherein the second load bar
One end be fixedly connected with the rear end of second shape support frame, the other end is connected with fixed block, and fixed block and the second turntable are solid
Fixed connection；
The structure of first positioning mechanism and the second positioning mechanism is identical, includes: bottom plate, is fixedly connected on bottom plate and surrounds length
Four rectangular optical axis support bases, each optical axis support base are equipped with a vertically arranged optical axis, slide and set on every optical axis
There is sliding block, the support plate being fixedly connected between four sliding blocks and with four sliding blocks is set, and it is described recessed that support plate is equipped with promotion
The top-pushing mechanism that shape loading blocks and convex loading blocks and tired steel wire are in close contact, the top-pushing mechanism includes: towards tired steel wire
The linear guide of direction setting, is provided with load plate by guide rail slide block sliding in linear guide, and the bottom plate middle part is provided with circle
Shape through-hole, the surface that the support plate rear end is located at circular through hole are equipped with strip-shaped hole；
One nylon rope, one end are connect with clump weight, the other end sequentially pass through after the circular through hole, strip-shaped hole with carried on the back in load plate
One end connection from tired steel wire, under the action of clump weight gravity, load plate is in linear guide to tired steel wire direction water
Translation is dynamic, wherein
Driving mechanism in first positioning mechanism is connect by the first load bar with first shape support frame；
Driving mechanism in second positioning mechanism is connect with one end of a shape load bar, and the other end of door shape load bar is by turning
It is rotatablely connected between axis and convex loading blocks, the bottom of the convex loading blocks is fixedly connected with third force snesor, third power
The bottom of sensor is slidably connected by slide plate with the sliding slot being arranged in the second small carrier.
The sliding block is equipped with lock-screw, it can be achieved that sliding block is fixed in optical axis arbitrary height position.
The fatigue steel wire rotating mechanism is stepper motor, and the fatigue steel wire pretensioning mechanism is electric cylinder, stepping electricity
The drive shaft of machine and the drive shaft of electric cylinder pass through fixture respectively and are fixedly connected with tired steel wire.
The torsion driving unit is steering engine, and the output rotary shaft of steering engine is connect by connecting rod with retainer clip, steel
One end of connection load steel wire on cord collet；
The tensile force loading unit is worm gear mechanism, wherein worm screw connects handle, for rotating load；Turbine winding
One end of steel wire is loaded, it can be achieved that winding load steel wire and self-locking.
First force snesor, the second force snesor are tension sensor；Third force snesor is drawing, pressure sensing
Device.
The support device include surround rectangular four foundation beam, four support posts being symmetricly set on bottom beam,
There are four the top of ribs, support post is vertical equipped with rectangular four upper load bearing beams, supports are surrounded for the bottom end of support post
The middle part of column is equipped with and surrounds rectangular four bearing block load bearing beams and four middle load bearing beams.
The present invention further discloses a kind of using multifibres helical contact fatigue, abrasion and damage inside the wirerope
The detection method of detection device, comprising the following steps:
A. tired steel wire is connected on tired steel wire charging assembly, the pre-tensioning of tired steel wire is real by the first force snesor
When measure；
B. spill is connected on spill steel wire loading mechanism and load steel wire, by adjusting the first angle of the crossing regulating mechanism and first
Positioning mechanism makes the load steel wire of the spill in spill loading blocks that predetermined intersecting angle and tired steel wire be kept to be in close contact；
Convex is connected on convex steel wire loading mechanism and loads steel wire, by adjusting the second angle of the crossing regulating mechanism and the second positioning
Mechanism makes the load steel wire of the convex in convex loading blocks that predetermined intersecting angle and tired steel wire be kept to be in close contact；
The pre-tensioning of spill load steel wire and convex load steel wire passes through the second force snesor and measures in real time；
C. by controlling tired steel wire twist cell, make tired steel wire twist movement, open spill steel wire respectively and load machine
Torsion driving unit on structure and convex steel wire loading mechanism makes spill load steel wire and convex load steel wire also twist fortune
It is dynamic, realize that multiaxis fretting fatigue phenomenon occurs for tired steel wire；
Alternating load is applied to tired steel wire by controlling tired steel wire pretensioning mechanism, answers tired steel wire in the alternation of setting
Telescopic variation within the scope of power allows between tired steel wire and load steel wire and generates the micron-sized opposite changing of the relative positions, the opposite changing of the relative positions between steel wire
Displacement is by obtaining measured value scale smaller built in tired steel wire pretensioning mechanism；
Measure the alternating load of tired steel wire in real time by the first force sensor measuring；
Measure tired steel wire windup-degree in real time by angular transducer；
Measure the torque of tired steel wire in real time by static torque sensor；
The prestress change of steel wire is loaded by the second force snesor real-time monitoring；
The change in friction force between steel wire and tired steel wire is loaded by third force snesor real-time monitoring
Pass through the temperature change of thermal infrared imager real-time monitoring steel wire contact surface fretting wear；
Alternating load, torque, windup-degree, the frictional force, temperature field of tired steel wire are recorded in real time, until tired steel wire is because of spiral
Stop test when contacting Fretting Fatigue Damage and being broken；
D. change torsion driving unit frequency and positive and negative gyration amplitude, change torsion driving unit vibration frequency and amplitude,
Angle of the crossing regulating mechanism, positioning mechanism are adjusted, different fine motion frequencies, windup-degree, fretting amplitude, intersecting angle and contact are carried out
More steel wire spirals contact fretting fatigue testing under load-up condition；
It is stretching, under torsion compound motion form, it is compound or single that two kinds of forms of motion can be realized in fixed one of movement
More steel wire spirals under forms of motion contact fretting fatigue testing.
The spill load steel wire includes two, is that the first spill load steel wire and the second spill load steel wire respectively,
In,
It is embedded in spill loading blocks in the middle part of first spill load steel wire, one end of the first spill load steel wire and first shape
First tensile force of the first torsion driving unit connection of support frame side, the other end and first shape support frame other side loads
Unit connection；
It is embedded in spill loading blocks in the middle part of second spill load steel wire, one end of the second spill load steel wire and first shape
First tensile force loading unit of support frame side connects, and the first torsion of the other end and first shape support frame other side drives
Unit connection；
The convex load steel wire includes two, is the first convex load steel wire and the second convex load steel wire respectively, wherein the
It is embedded in convex loading blocks in the middle part of one convex load steel wire, one end of the first convex load steel wire and second shape support frame
Second tensile force loading unit of the second torsion driving unit connection of side, the other end and second shape support frame other side connects
It connects；
It is embedded in convex loading blocks in the middle part of second convex load steel wire, one end of the second convex load steel wire and second shape
Second tensile force loading unit of support frame side connects, and the second torsion of the other end and second shape support frame other side drives
Unit connection.
It is equipped with symmetrical threaded hole on rear side of the spill loading blocks, the position of the threaded hole is corresponded on the door shape support frame
Two through-holes are symmetrically arranged with, the through-hole on door shape support frame are passed through using the threaded rod with nut, by rotating nuts in spiral shell
Position on rasp bar adjusts the horizontal position of spill loading blocks, realizes the different radians that load steel wire is contacted with tired steel wire.
Beneficial effects of the present invention: by adopting the above-described technical solution, the present invention can be realized inside simulation wirerope
The test of the composite fretting friction wears such as La-drawing, drawing-torsion under more steel wire spiral contact forms, it is more inside wirerope to disclose
Steel wire spiral contacts friction and wear mechanics, the evolution of evaluation wirerope inner wire abrasive damage and fatigue life.
More steel wire spiral contact Fretting Fatigue Damage situations inside wirerope can be simulated, using electric cylinder, turbine and worm
Tensile force loading unit, steering engine and stepper motor can be continuously applied stable, accurate fine motion, prestressing force and windup-degree, energy
It is micro- to disclose more steel wire spiral contacts for torque, frictional force, temperature field, the coefficient of friction of more steel wires inside enough real-time monitoring wirerope
Dynamic fatigue fracture mechanism evaluates more steel wire fretting damage developments and more steel wire fretting fatigue lives.
The experimental rig is easy to operate, effect is good, has wide applicability in the art.
Detailed description of the invention
Fig. 1 is the main view of apparatus of the present invention；
Wherein: 1, angular transducer；2, stepper motor；3, upper load bearing beam；4, static torque sensor；5, bearing block；6, tired
Steel wire；7, bearing block load bearing beam；8, support post；(9,23) bottom plate；10, middle load bearing beam；(11,11B), counterweight；12, electronic
Cylinder；13, electric cylinder bottom plate；14, bottom beam；15, supporting block；16, shaft coupling；17, stepper motor bottom plate；18, upper connector；19,
Lower connector；20, pedestal base；21, upper fixture；22, thermal infrared imager；24, lower fixture；25, tension sensor；26, add
Strong rib；
Fig. 2 is the structural schematic diagram of supporting block of the present invention；
Wherein, 15A, pillar；15B, plate；
Fig. 3 is present invention load steel wire and tired steel wire contact form schematic diagram；
Wherein, 40, spill loading blocks；52 convex loading blocks；64, the load steel wire in convex loading blocks；65, in spill loading blocks
Load steel wire；
Fig. 4 is the structural schematic diagram that the present invention first loads steel wire component；
Wherein, (27,27B), steering engine；(28,28B), worm gear mechanism；(29,29B), miniature drawing, pressure sensor；30,
One shape support frame；31, the first load bar；32, the first turntable；33, optical axis；34, support plate；35, load plate；36, it connects
Bar；37, retainer clip；38, steering engine frame；39, the first small carrier；40, spill loading blocks；41, threaded rod；42, sliding rail is sliding
Block；43, optical axis support base；44, sliding block；
Fig. 5 is that the present invention first loads steel wire component middle concave loading blocks and door shape support frame attachment structure schematic diagram；
Wherein, 59, nut；
Fig. 6 is the structural schematic diagram of spill loading blocks of the present invention
Wherein, 61, threaded hole；
Fig. 7 is the structural schematic diagram of support plate of the present invention；
Wherein, 34A, strip-shaped hole；
Fig. 8 is the structural schematic diagram of bottom plate of the present invention；
Wherein, 23A, round hole；
Fig. 9 is the structural schematic diagram of load plate of the present invention；
Wherein, 35A, bar shaped groove in load plate；
Figure 10 is the structural schematic diagram that the present invention second loads steel wire component；
Wherein, (27C, 27D), steering engine；(28C, 28D), worm gear mechanism；(29C, 29D), miniature drawing, pressure sensor；
37C, retainer clip；(38C, 38D), steering engine frame；, second shape support frame；47, fixed block；50, the second small carrier；51,
Shaft；52, convex loading blocks；53, the second load bar；54, the second turntable；
Figure 11 is the structural schematic diagram that the present invention second loads two loading units in steel wire component；
46, door shape load bar；(55,55B), fixed pulley；56, tension sensor；57, slide plate；
Figure 12 is the structural schematic diagram of the second small carrier of the invention；
Wherein, 50A, card slot；
Figure 13 is the structural schematic diagram of retainer clip of the present invention；
66, with the square block of through-hole；67, with the semicolumn of threaded hole；68, soket head cap screw；
Figure 14 is the attachment structure schematic diagram of optical axis of the present invention and sliding block；
62, lock-screw；
Figure 15 is the structural schematic diagram of steering engine frame of the invention；
63, miniature bearing；
Figure 16 is the structural schematic diagram of tensile force loading unit of the present invention；
Figure 17 is the location diagram of two load wire mechanisms of the present invention.
Specific embodiment
One embodiment of the present of invention is further described with reference to the accompanying drawing:
As represented in figures 1 through 14, multifibres helical contact fatigue, abrasion and damage detection apparatus inside wirerope of the invention, mainly by
Support device, the tired steel wire charging assembly being located in support device, the angle of the crossing regulating mechanism for being located at support device and positioning
Mechanism, the angle of the crossing regulating mechanism are used to adjust the intersecting angle between load steel wire and tired steel wire；
The positioning mechanism is for driving load steel wire to be in contact with certain prestressing force with tired steel wire；
The support device include surround rectangular four foundation beam 14, four support posts 8 being symmetricly set on bottom beam 14,
There are four ribs 26 to be used to guarantee to stablize for the bottom end of support post 8, the top of support post 8 is equipped with and surrounds rectangular four
Upper load bearing beam 3, support post 8 middle part be equipped with and surround rectangular four bearing block load bearing beams 7 and four middle load bearing beams 10, logical
It crosses electric cylinder bottom plate 13 that bolt connect with bottom beam 14, the stepper motor bottom plate 17 that is bolted on upper supporting beam 3, pass through
The pedestal base 20 that screw is fixed in bearing block supporting beam 7 and the supporting block that stepper motor bottom plate 17 is connected by screw to
15, supporting block 15 has and surrounds rectangular four pillar 15A and one flat plate 15B；
The fatigue steel wire charging assembly includes vertical rotary driving mechanism and Vertical loading component；
The vertical rotary driving mechanism includes the bearing block 5 for being located at pedestal base 20, the lower connector across bearing block 5
19, the upper fixture 21 being connected through a screw thread with lower connector 19, benefit are fixed by bolts to the electricity of the stepping on stepper motor bottom plate 17
Machine 2, the upper connector 18 being connect with stepper motor 2 by shaft coupling, upper connector and lower connector are sensed by static torque
Device 4 is connected；
The electric cylinder 12 and electric cylinder that the Vertical loading component is fixed on electric cylinder bottom plate 13 including the use of bolt pass through drawing
The connected lower fixture 24 of force snesor 25, vertical fixed tired steel wire 6, the fixed fatigue of fixture between upper fixture 21 and lower fixture 23
Steel wire 6 clamps tired steel wire 6 using screw-driving clamping plate；
As shown in Fig. 3 ~ Figure 14, the load steel wire component includes: the spill steel wire for being symmetricly set on tired steel wire arranged on left and right sides
Loading mechanism and convex steel wire loading mechanism,
Spill steel wire loading mechanism is set to the side of tired steel wire, comprising:
First shape support frame, first shape supporting framing front end are equipped with spill loading blocks, and spill loading blocks are equipped with for being embedded
The horizontal groove of spill load steel wire；
The arranged on left and right sides of first shape support frame, every group of first loading unit is arranged in two group of first loading unit, reverse symmetry
Include for drive spill load steel wire around own axes rotate first torsion driving unit and for spill load steel
Silk applies the first tensile force loading unit of tensile force, is embedded on the groove of spill loading blocks in the middle part of spill load steel wire,
One end is connect with the first torsion driving unit, and the other end is connect with the first tensile force loading unit；First angle of the crossing regulating mechanism,
For adjusting the intersecting angle between spill load steel wire and tired steel wire；First positioning mechanism, for driving spill to load steel
Silk is in contact with certain prestressing force with tired steel wire；
Convex steel wire loading mechanism is set to the other side of tired steel wire, comprising:
Second shape support frame, second shape supporting framing front end are equipped with convex loading blocks, and convex loading blocks are equipped with for being embedded
The horizontal groove of convex load steel wire；
Two group of second loading unit, reverse symmetry are arranged in second shape support frame arranged on left and right sides, and every group of second loading unit is equal
Including for drive load steel wire around own axes rotate second torsion driving unit and for load steel wire apply be tensioned
Second tensile force loading unit of power, convex loads to be embedded on the groove of convex loading blocks in the middle part of steel wire, one end and second
Driving unit connection is reversed, the other end is connect with the second tensile force loading unit；Second angle of the crossing regulating mechanism, it is convex for adjusting
Shape loads the intersecting angle between steel wire and tired steel wire；Second positioning mechanism, for driving convex load steel wire with certain
Prestressing force is in contact with tired steel wire；
First angle of the crossing regulating mechanism include the first load bar and the first turntable, wherein one end of the first load bar and
The rear end of first shape support frame is fixedly connected, the other end and the connection of the first turntable, the first rotation sewing platform base and the first positioning
Mechanism is fixedly connected；
Second angle of the crossing regulating mechanism includes the second load bar, fixed block and the second turntable, wherein the second load bar
One end be fixedly connected with the rear end of second shape support frame, the other end is connected with fixed block, and fixed block and the second turntable are solid
Fixed connection.
The structure of first positioning mechanism and the second positioning mechanism is identical, includes: bottom plate, is fixedly connected and encloses on bottom plate
Four optical axis support bases of rectangularity, each optical axis support base are equipped with a vertically arranged optical axis, slide on every optical axis
It is dynamic to be equipped with sliding block, the support plate being fixedly connected between four sliding blocks and with four sliding blocks is set, and support plate, which is equipped with, pushes institute
The top-pushing mechanism of spill loading blocks and convex loading blocks and tired steel wire close contact is stated, the top-pushing mechanism includes:
Towards the linear guide of tired steel wire direction setting, load plate is provided with by guide rail slide block sliding in linear guide, it is described
Circular through hole is provided in the middle part of bottom plate, the surface that the support plate rear end is located at circular through hole is equipped with strip-shaped hole；
One nylon rope, one end are connect with clump weight, the other end sequentially pass through after the circular through hole, strip-shaped hole with carried on the back in load plate
One end connection from tired steel wire, under the action of clump weight gravity, load plate is in linear guide to tired steel wire direction water
Translation is dynamic, wherein
Driving mechanism in first positioning mechanism is connect by the first load bar with first shape support frame；
Driving mechanism in second positioning mechanism is connect with one end of a shape load bar, and the other end of door shape load bar is by turning
It is rotatablely connected between axis and convex loading blocks, the bottom of the convex loading blocks is fixedly connected with third force snesor, third power
The bottom of sensor is slidably connected by slide plate with the sliding slot being arranged in the second small carrier.
As a preferred embodiment of technical solution of the present invention, the fatigue steel wire rotating mechanism is stepper motor, institute
Stating tired steel wire pretensioning mechanism is electric cylinder, the drive shaft of stepper motor and the drive shaft of electric cylinder pass through respectively fixture with it is tired
Labor fixation with steel wire connection；Electric cylinder inbuilt displacement sensor can measure electric cylinder displacement amplitude size, then the fine motion of steel wire
Amplitude is the scale smaller for the displacement amplitude that electric cylinder measures.
The torsion driving unit is steering engine, and the output rotary shaft of steering engine is connect by connecting rod with retainer clip, steel
One end of connection load steel wire on cord collet；
The tensile force loading unit is worm gear mechanism, wherein worm screw connects handle, for rotating load；Turbine winding
One end of steel wire is loaded, it can be achieved that winding load steel wire and self-locking.
As the preferred embodiment of technical solution of the present invention, first force snesor, the second force snesor are pulling force biography
Sensor；Third force snesor is drawing, pressure sensor, and can both survey pulling force can also be with measuring pressure.
The state monitoring apparatus includes: the angle for being arranged in and being connected with stepper motor 2 by shaft coupling on stepper motor
Sensor 1 rotates angle for monitoring tired steel wire 6；
The static torque sensor 4 to hang down on stepper motor is set, for monitoring tired 6 change in torque of steel wire；
Tension sensor 25 on electric cylinder is set, for monitoring the tension variations and fine motion amplitude of tired steel wire 6；
Tension sensor between worm gear mechanism and door shape support frame is set, for monitoring load steel wire pulling force variation；
Drawing, the pressure sensor of spill loading blocks bottom are set, rubbed between spill load steel wire and tired steel wire for monitoring
It wipes power variation and the drawing of convex loading blocks bottom, pressure sensor is set, for monitoring convex load steel wire and anti-fatigue steel
Change in friction force between silk；
It is arranged in the upper left thermal infrared imager of tired steel wire, for monitoring the temperature of more steel wire spiral contact surface fretting wears
Changing rule.
The retainer clip is that the square block 66 with through-hole and the semicolumn with threaded hole 67 form, by interior
Hex screw 68 tightens 67 clamping steel wire of square block 66 and semicolumn.
Side in the spill loading blocks 40 and convex loading blocks 52 is equipped with groove, for being embedded load steel wire, and
And load steel wire can rotate in a groove.
The middle part of bottom plate is provided with large through-hole, for across the nylon rope for hanging clump weight.
34 rear end of support plate and 48 rear end of support plate is provided with strip-shaped hole, for across the nylon for hanging clump weight
Rope.
Multifibres helical contact fatigue, the method for abrasion and damage detection apparatus, specific steps inside wirerope of the invention
It is as follows:
A. tired steel wire one end is fixed on upper fixture center, the other end is fixed on lower clamp central, applies by electric cylinder tired
Labor steel wire pre-tensioning, pre-tensioning can be measured in real time by tension sensor.
B. load steel wire one end is fixed on retainer clip center, the other end is around in fixed pulley and worm gear mechanism
Turbine connection, load steel wire is tensioned by rotation of worm gear worm screw handle, obtains pre-tensioning, pre-tensioning can pass through setting
Tension sensor between worm gear mechanism and door shape support frame measures in real time.
The first turntable and the second turntable are adjusted, the load steel wire in spill loading blocks and convex loading blocks is made to keep pre-
Determine intersecting angle.
Mobile load plate makes load steel wire in spill loading blocks touch tired steel wire, and the pallet and nylon of counterweight will be housed
Line connection, come up pallet, by nylon wire, counterweight loading drive load plate slide on the slide rail, and through the first turntable,
First load bar, door shape support frame, threaded rod are transmitted in spill loading blocks, make load steel wire and fatigue in spill loading blocks
Steel wire is in close contact by predetermined contact force.
Mobile load plate makes load steel wire 64 in convex loading blocks 52 touch tired steel wire 6, and the pallet of counterweight will be housed
11 connect with nylon wire, and come up pallet, and by nylon wire, counterweight loading drives load plate to slide on the slide rail, and through door
Shape load bar 46, threaded rod 51 are transmitted in convex loading blocks 52, keep the load steel wire in convex loading blocks 52 small along second
Sliding in the card slot 50A of carrier bottom is in close contact with tired steel wire 6 by predetermined contact force.
C. by control electric cylinder 12 above and below move back and forth, open stepper motor 2 make tired steel wire 6 twist movement,
It opens steering engine and makes to load steel wire and also twist movement, realize tired steel wire generation stretching-rotation fretting fatigue phenomenon；Electric cylinder
12 upper and lower movements apply alternating load to tired steel wire, make tired steel wire telescopic variation in the range of alternating stresses of setting, allow
The micron-sized opposite changing of the relative positions, steel are generated between load steel wire on tired steel wire 6 and spill loading blocks 40 and convex loading blocks 52
Opposite alternate displacement can be by obtaining measured value scale smaller built in electric cylinder between silk.
Tired steel wire alternating load can be measured by tension sensor 25；
Tired steel wire windup-degree can be measured in real time by angular transducer 1；
The torque of tired steel wire can be measured by static torque sensor 4,
Frictional force is measured by drawing, pressure sensor between tired steel wire 6 and load steel wire；
Thermal infrared imager is opened, the temperature change of steel wire contact surface fretting wear is monitored；
Alternating load, torque, torsion angle, the frictional force, temperature field of tired steel wire are recorded in real time, until tired steel wire connects because of spiral
Stop test when touching Fretting Fatigue Damage and being broken；
D. change stepper motor frequency and positive and negative gyration amplitude, electric cylinder vibration frequency and amplitude, the first turntable and second
Turntable angle, load block weight, carry out different fine motion frequencies, torsion angle, fretting amplitude, intersecting angle amplitude and contact load
Under the conditions of more steel wire spirals contact fretting fatigue testings；It is stretching, under torsion compound motion form, fixed one of movement,
More steel wire spirals contact fretting fatigue testing under two kinds of forms of motion are compound or single movement form can be realized.
Further, the spill load steel wire includes two, is that the first spill load steel wire and the second spill add respectively
Carry steel wire, wherein
Spill loading blocks are equipped with two parallel grooves for being embedded spill load steel wire, and the first spill loads the middle part of steel wire
It is embedded in spill loading blocks, the first torsion driving that the first spill loads one end and first shape support frame side of steel wire is single
Member connection, the other end are connect with the first tensile force loading unit of first shape support frame other side；
It is embedded in spill loading blocks in the middle part of second spill load steel wire, one end of the second spill load steel wire and first shape
First tensile force loading unit of support frame side connects, and the first torsion of the other end and first shape support frame other side drives
Unit connection；
The convex load steel wire includes two, is the first convex load steel wire and the second convex load steel wire respectively, wherein convex
Shape loading blocks are equipped with the parallel groove for being embedded convex load steel wire, are embedded in the middle part of the first convex load steel wire in convex
In loading blocks, one end of the first convex load steel wire is connect with the second torsion driving unit of second shape support frame side, separately
One end is connect with the second tensile force loading unit of second shape support frame other side；It is embedded in the middle part of second convex load steel wire
In convex loading blocks, the second convex loads one end of steel wire and the second tensile force loading unit of second shape support frame side
Connection, the other end are connect with the second torsion driving unit of second shape support frame other side.
Further, it is equipped with symmetrical threaded hole on rear side of the spill loading blocks, corresponds to the spiral shell on the door shape support frame
The positional symmetry of pit is set there are two through-hole, is passed through the through-hole on door shape support frame using the threaded rod with nut, is passed through rotation
Position of the turn nut on threaded rod adjusts the horizontal position of spill loading blocks, realizes that load steel wire contacts not with tired steel wire
Same radian.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. multifibres helical contact fatigue, abrasion and damage detection apparatus inside a kind of wirerope, including support device, the support
A tired steel wire is vertically provided on device, one end of tired steel wire is equipped with tired steel wire rotating mechanism, for driving anti-fatigue steel
Filament winding own axes are reversed；The other end is equipped with tired steel wire pretensioning mechanism, for carrying out pre-tensioning to tired steel wire
Load, which is characterized in that further include:
Steel wire component is loaded, for certain angle of the crossing and prestressing force and the tired steel wire helical contact, the load steel wire
Component includes: spill steel wire loading mechanism and convex steel wire loading mechanism, wherein
Spill steel wire loading mechanism is set to the side of tired steel wire, comprising:
First shape support frame, first shape supporting framing front end are equipped with spill loading blocks；
The arranged on left and right sides of first shape support frame, every group of first loading unit is arranged in two group of first loading unit, reverse symmetry
It include being connected to spill load steel wire one end, the first torsion for driving spill load steel wire one end to reverse around own axes
Driving unit and it is connected to the spill load steel wire other end, applies the first tensioning of axial tensile force to spill load steel wire
Power loading unit, spill loads the middle part of steel wire and spill loading blocks are contradicted and connected；
First angle of the crossing regulating mechanism, for adjusting the intersecting angle between spill load steel wire and tired steel wire；
First positioning mechanism, for driving spill load steel wire to be in contact with certain prestressing force with tired steel wire；
Convex steel wire loading mechanism is set to the other side of tired steel wire, comprising:
Second shape support frame, second shape supporting framing front end are equipped with convex loading blocks；
Two group of second loading unit, reverse symmetry are arranged in second shape support frame arranged on left and right sides, and every group of second loading unit is equal
Including being connected to convex load steel wire one end, the second torsion for driving convex load steel wire one end to reverse around own axes is driven
Moving cell and it is connected to the convex load steel wire other end, applies the second tensile force of axial tensile force to convex load steel wire
Loading unit, convex loads the middle part of steel wire and convex loading blocks are contradicted and connected；
Second angle of the crossing regulating mechanism, for adjusting the intersecting angle between convex load steel wire and tired steel wire；
Second positioning mechanism, for driving convex load steel wire to be in contact with certain prestressing force with tired steel wire；
State monitoring apparatus, comprising:
First force snesor is connect, for monitoring the alternating load of tired steel wire in real time with tired steel wire charging assembly；
Angular transducer is connect with tired steel wire charging assembly, the rotation angle for real-time monitoring fatigue steel wire；
Static torque sensor is connect, the change in torque for real-time monitoring fatigue steel wire with tired steel wire charging assembly；
Second force snesor is arranged between tensile force loading unit and door shape support frame, answers for monitoring load the pre- of steel wire
Power variation；
Third force snesor, including two, the bottom of spill loading blocks is arranged in one of them, for monitoring spill load steel wire
The change in friction force between tired steel wire, the bottom of convex loading blocks is arranged in another, for monitor convex load steel wire and
Change in friction force between tired steel wire；
Thermal infrared imager, the temperature change of real-time monitoring steel wire contact surface fretting wear.
2. multifibres helical contact fatigue, abrasion and damage detection apparatus, feature inside wirerope according to claim 1
Be, first angle of the crossing regulating mechanism include the first load bar and the first turntable, wherein one end of the first load bar and
The rear end of first shape support frame is fixedly connected, the other end and the connection of the first turntable, the first rotation sewing platform base and the first positioning
Mechanism is fixedly connected；
Second angle of the crossing regulating mechanism includes the second load bar, fixed block and the second turntable, wherein the second load bar
One end be fixedly connected with the rear end of second shape support frame, the other end is connected with fixed block, and fixed block and the second turntable are solid
Fixed connection.
3. multifibres helical contact fatigue, abrasion and damage detection apparatus, feature inside wirerope according to claim 2
It is, the structure of first positioning mechanism and the second positioning mechanism is identical, includes: bottom plate, is fixedly connected and surrounds on bottom plate
Rectangular four optical axis support bases, each optical axis support base are equipped with a vertically arranged optical axis, slide on every optical axis
Equipped with sliding block, the support plate being fixedly connected between four sliding blocks and with four sliding blocks is set, support plate is equipped with described in promotion
The top-pushing mechanism that spill loading blocks and convex loading blocks and tired steel wire are in close contact, the top-pushing mechanism include:
Towards the linear guide of tired steel wire direction setting, load plate is provided with by guide rail slide block sliding in linear guide, it is described
Circular through hole is provided in the middle part of bottom plate, the surface that the support plate rear end is located at circular through hole is equipped with strip-shaped hole；
One nylon rope, one end are connect with clump weight, the other end sequentially pass through after the circular through hole, strip-shaped hole with carried on the back in load plate
One end connection from tired steel wire, under the action of clump weight gravity, load plate is in linear guide to tired steel wire direction water
Translation is dynamic, wherein
Driving mechanism in first positioning mechanism is connect by the first load bar with first shape support frame；
Driving mechanism in second positioning mechanism is connect with one end of a shape load bar, and the other end of door shape load bar is by turning
It is rotatablely connected between axis and convex loading blocks, the bottom of the convex loading blocks is fixedly connected with third force snesor, third power
The bottom of sensor is slidably connected by slide plate with the sliding slot being arranged in the second small carrier.
4. multifibres helical contact fatigue, abrasion and damage detection apparatus, feature inside wirerope according to claim 2
It is, the sliding block is equipped with lock-screw, it can be achieved that sliding block is fixed in optical axis arbitrary height position.
5. multifibres helical contact fatigue, abrasion and damage detection apparatus, feature inside wirerope according to claim 1
It is, the fatigue steel wire rotating mechanism is stepper motor, and the fatigue steel wire pretensioning mechanism is electric cylinder, stepper motor
Drive shaft and the drive shaft of electric cylinder pass through fixture respectively and are fixedly connected with tired steel wire；
The torsion driving unit is steering engine, and the output rotary shaft of steering engine is connect by connecting rod with retainer clip, wirerope
One end of connection load steel wire on collet；
The tensile force loading unit is worm gear mechanism, wherein worm screw connects handle, for rotating load；Turbine winding
One end of steel wire is loaded, it can be achieved that winding load steel wire and self-locking.
6. multifibres helical contact fatigue, abrasion and damage detection apparatus, feature inside wirerope according to claim 1
It is, first force snesor, the second force snesor are tension sensor；Third force snesor is drawing, pressure sensor.
7. multifibres helical contact fatigue, abrasion and damage detection apparatus, feature inside wirerope according to claim 1
It is, the support device includes surrounding rectangular four foundation beam, four support posts being symmetricly set on bottom beam, support
The bottom end of column is equipped with there are four the top of ribs, support post and surrounds rectangular four upper load bearing beams, support post
Middle part is equipped with and surrounds rectangular four bearing block load bearing beams and four middle load bearing beams.
8. using as multifibres helical contact inside the wirerope any in claim 1 ~ 7 is tired, abrasion and damage check fill
The detection method set, it is characterised in that: the following steps are included:
A. tired steel wire is connected on tired steel wire charging assembly, the pre-tensioning of tired steel wire is real by the first force snesor
When measure；
B. spill is connected on spill steel wire loading mechanism and load steel wire, by adjusting the first angle of the crossing regulating mechanism and first
Positioning mechanism makes the load steel wire of the spill in spill loading blocks that predetermined intersecting angle and tired steel wire be kept to be in close contact；
Convex is connected on convex steel wire loading mechanism and loads steel wire, by adjusting the second angle of the crossing regulating mechanism and the second positioning
Mechanism makes the load steel wire of the convex in convex loading blocks that predetermined intersecting angle and tired steel wire be kept to be in close contact；
The pre-tensioning of spill load steel wire and convex load steel wire passes through the second force snesor and measures in real time；
C. by controlling tired steel wire twist cell, make tired steel wire twist movement, open spill steel wire respectively and load machine
Torsion driving unit on structure and convex steel wire loading mechanism makes spill load steel wire and convex load steel wire also twist fortune
It is dynamic；
Alternating load is applied to tired steel wire by controlling tired steel wire pretensioning mechanism, answers tired steel wire in the alternation of setting
Telescopic variation within the scope of power allows between tired steel wire and load steel wire and generates the micron-sized opposite changing of the relative positions, the opposite changing of the relative positions between steel wire
It is tired to realize that multiaxis fine motion occurs for tired steel wire by obtaining to measured value scale smaller built in tired steel wire pretensioning mechanism for displacement
Labor phenomenon；
Measure the alternating load of tired steel wire in real time by the first force snesor；
Measure tired steel wire windup-degree in real time by angular transducer；
Measure the torque of tired steel wire in real time by static torque sensor；
The prestress change of steel wire is loaded by the second force snesor real-time monitoring；
The change in friction force between steel wire and tired steel wire is loaded by third force snesor real-time monitoring
Pass through the temperature change of thermal infrared imager real-time monitoring steel wire contact surface fretting wear；
Alternating load, torque, windup-degree, the frictional force, temperature field of tired steel wire are recorded in real time, until tired steel wire is because of spiral
Stop test when contacting Fretting Fatigue Damage and being broken；
D. change torsion driving unit frequency and positive and negative gyration amplitude, change tired steel wire pretensioning mechanism vibration frequency and
Amplitude, adjust angle of the crossing regulating mechanism, positioning mechanism, carry out different fine motion frequencies, windup-degree, alternating load, fretting amplitude,
More steel wire spirals contact fretting fatigue testing under the conditions of intersecting angle and contact load；
It is stretching, under torsion compound motion form, it is compound or single that two kinds of forms of motion can be realized in fixed one of movement
More steel wire spirals under forms of motion contact fretting fatigue testing.
9. according to claim 8 filled using multifibres helical contact fatigue, abrasion and damage check inside the wirerope
The detection method set, it is characterised in that: the spill load steel wire includes two, is the first spill load steel wire and second respectively
Spill loads steel wire, wherein
Spill loading blocks are equipped with two parallel grooves for being embedded spill load steel wire, and the first spill loads the middle part of steel wire
It is embedded in spill loading blocks, the first torsion driving that the first spill loads one end and first shape support frame side of steel wire is single
Member connection, the other end are connect with the first tensile force loading unit of first shape support frame other side；
It is embedded in spill loading blocks in the middle part of second spill load steel wire, one end of the second spill load steel wire and first shape
First tensile force loading unit of support frame side connects, and the first torsion of the other end and first shape support frame other side drives
Unit connection；
The convex load steel wire includes two, is the first convex load steel wire and the second convex load steel wire respectively, wherein
Convex loading blocks are equipped with the parallel groove for being embedded convex load steel wire, are embedded in the middle part of the first convex load steel wire
In convex loading blocks, the second torsion driving unit of one end and second shape support frame side that the first convex loads steel wire connects
It connects, the other end is connect with the second tensile force loading unit of second shape support frame other side；
It is embedded in convex loading blocks in the middle part of second convex load steel wire, one end of the second convex load steel wire and second shape
Second tensile force loading unit of support frame side connects, and the second torsion of the other end and second shape support frame other side drives
Unit connection.
10. according to claim 8 filled using multifibres helical contact fatigue, abrasion and damage check inside the wirerope
The detection method set, it is characterised in that: be equipped with symmetrical threaded hole on rear side of the spill loading blocks, corresponded on the door shape support frame
The positional symmetry of the threaded hole is set there are two through-hole, passes through the through-hole on door shape support frame using the threaded rod with nut,
The horizontal position that spill loading blocks are adjusted by position of the rotating nuts on threaded rod realizes that load steel wire connects with tired steel wire
The different radians of touching.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243620A (en) * | 2019-07-09 | 2019-09-17 | 中国矿业大学 | Endless rope winch wire saws drive pilot system and method |
| CN110658092A (en) * | 2019-11-08 | 2020-01-07 | 中国矿业大学 | Device and method for testing performance of multiple wires in hoisting steel wire rope |
| CN110736673A (en) * | 2019-11-08 | 2020-01-31 | 中国矿业大学 | multi-wire spiral contact testing device and method in hoisting steel wire rope |
| CN111678778A (en) * | 2020-04-29 | 2020-09-18 | 中国矿业大学 | Device and method for testing multi-wire spiral contact inside hoisting steel wire rope based on pneumatic control |
| CN111707570A (en) * | 2020-06-15 | 2020-09-25 | 华中农业大学 | Test platform for testing friction and wear conditions of steel wire rope wheel |
| CN113401825A (en) * | 2021-06-21 | 2021-09-17 | 中国能源建设集团西北电力建设工程有限公司 | Winch for wind power construction |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54155881A (en) * | 1978-05-30 | 1979-12-08 | Nippon Steel Corp | Automatic detecting method of strand breakage in fatigue test of steel wire ropes and others |
| CN101109681A (en) * | 2007-07-30 | 2008-01-23 | 山东省交通厅公路局 | Pre-stressed anchorage body fatigue test device |
| CN102323161A (en) * | 2011-05-31 | 2012-01-18 | 河南省煤炭科学研究院有限公司 | Mechanical horizontal steel wire rope bending fatigue testing machine and mechanical rotation driving device |
| CN202256052U (en) * | 2011-07-13 | 2012-05-30 | 中国矿业大学 | Tester for monitoring fretting fatigue state of steel wire |
| CN103196766A (en) * | 2013-03-26 | 2013-07-10 | 深圳市特种设备安全检验研究院 | Steel wire micro-kinetic-friction abrasion testing machine |
| CN104297046A (en) * | 2014-10-08 | 2015-01-21 | 中国矿业大学 | Device and method for multi-axis fretting fatigue test of steel wire |
| CN104458566A (en) * | 2014-12-05 | 2015-03-25 | 中国矿业大学 | High-speed and fretting-friction testing apparatus for steel wire ropes |
| CN105588750A (en) * | 2016-02-19 | 2016-05-18 | 中国矿业大学 | Multiaxis fretting corrosion fatigue damage monitoring device and multiaxis fretting corrosion fatigue damage monitoring method for kilometer deep shaft hoisting rope |
| CN106840934A (en) * | 2017-02-20 | 2017-06-13 | 辽宁工程技术大学 | A kind of pit rope fretting wear experimental provision |
-
2018
- 2018-11-21 CN CN201811391302.0A patent/CN109975115B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54155881A (en) * | 1978-05-30 | 1979-12-08 | Nippon Steel Corp | Automatic detecting method of strand breakage in fatigue test of steel wire ropes and others |
| CN101109681A (en) * | 2007-07-30 | 2008-01-23 | 山东省交通厅公路局 | Pre-stressed anchorage body fatigue test device |
| CN102323161A (en) * | 2011-05-31 | 2012-01-18 | 河南省煤炭科学研究院有限公司 | Mechanical horizontal steel wire rope bending fatigue testing machine and mechanical rotation driving device |
| CN202256052U (en) * | 2011-07-13 | 2012-05-30 | 中国矿业大学 | Tester for monitoring fretting fatigue state of steel wire |
| CN103196766A (en) * | 2013-03-26 | 2013-07-10 | 深圳市特种设备安全检验研究院 | Steel wire micro-kinetic-friction abrasion testing machine |
| CN104297046A (en) * | 2014-10-08 | 2015-01-21 | 中国矿业大学 | Device and method for multi-axis fretting fatigue test of steel wire |
| CN104458566A (en) * | 2014-12-05 | 2015-03-25 | 中国矿业大学 | High-speed and fretting-friction testing apparatus for steel wire ropes |
| CN105588750A (en) * | 2016-02-19 | 2016-05-18 | 中国矿业大学 | Multiaxis fretting corrosion fatigue damage monitoring device and multiaxis fretting corrosion fatigue damage monitoring method for kilometer deep shaft hoisting rope |
| CN106840934A (en) * | 2017-02-20 | 2017-06-13 | 辽宁工程技术大学 | A kind of pit rope fretting wear experimental provision |
Non-Patent Citations (2)
| Title |
|---|
| 彭玉兴等: "缠绕提升钢丝绳绕入冲击摩擦特性研究", 《摩擦学学报》 * |
| 王大刚: "钢丝的微动损伤行为及其微动疲劳寿命预测研究", 《中国博士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243620B (en) * | 2019-07-09 | 2020-07-03 | 中国矿业大学 | Endless rope winch rope traction drive test system and method |
| CN110243620A (en) * | 2019-07-09 | 2019-09-17 | 中国矿业大学 | Endless rope winch wire saws drive pilot system and method |
| CN110658092B (en) * | 2019-11-08 | 2021-06-08 | 中国矿业大学 | Device and method for testing performance of multiple wires in hoisting steel wire rope |
| CN110736673A (en) * | 2019-11-08 | 2020-01-31 | 中国矿业大学 | multi-wire spiral contact testing device and method in hoisting steel wire rope |
| CN110658092A (en) * | 2019-11-08 | 2020-01-07 | 中国矿业大学 | Device and method for testing performance of multiple wires in hoisting steel wire rope |
| CN110736673B (en) * | 2019-11-08 | 2021-06-08 | 中国矿业大学 | Device and method for testing internal multi-wire spiral contact of hoisting steel wire rope |
| CN111678778A (en) * | 2020-04-29 | 2020-09-18 | 中国矿业大学 | Device and method for testing multi-wire spiral contact inside hoisting steel wire rope based on pneumatic control |
| CN111678778B (en) * | 2020-04-29 | 2022-03-25 | 中国矿业大学 | Device and method for testing multi-wire spiral contact inside hoisting steel wire rope based on pneumatic control |
| CN111707570A (en) * | 2020-06-15 | 2020-09-25 | 华中农业大学 | Test platform for testing friction and wear conditions of steel wire rope wheel |
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| CN113401825A (en) * | 2021-06-21 | 2021-09-17 | 中国能源建设集团西北电力建设工程有限公司 | Winch for wind power construction |
| CN113401825B (en) * | 2021-06-21 | 2022-08-16 | 中国能源建设集团西北电力建设工程有限公司 | Winch for wind power construction |
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