CN106404541A - Apparatus for measuring dynamic flexural property of wire rope core - Google Patents
Apparatus for measuring dynamic flexural property of wire rope core Download PDFInfo
- Publication number
- CN106404541A CN106404541A CN201611081010.8A CN201611081010A CN106404541A CN 106404541 A CN106404541 A CN 106404541A CN 201611081010 A CN201611081010 A CN 201611081010A CN 106404541 A CN106404541 A CN 106404541A
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- Prior art keywords
- wire rope
- hydraulic cylinder
- rope core
- core
- steel wire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/14—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by dead weight, e.g. pendulum; generated by springs tension
-
- 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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- 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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
-
- 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
-
- 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
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- 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
-
- 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
- G01N2203/0075—Strain-stress relations or elastic constants
-
- 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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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention discloses an apparatus for measuring dynamic flexural property of a wire rope core, comprising a frame, a guide wheel mounted at the top of the frame, a hydraulic cylinder vertically mounted on a pillar on one side of the frame, and a test wheel mounted below the hydraulic cylinder; the hydraulic cylinder is a constant-speed constant-stroke double-piston-rod hydraulic cylinder; one end of a core of a wire rope under test is connected with the lower end of the hydraulic cylinder, the other end of the core is passed through the test wheel mounted below the hydraulic cylinder and is connected with one end of a transmission wire rope, and the other end of the wire rope is passed through the guide wheel and is then fixedly connected to a weight; upper and lower limit switches are mounted on the pillar above the mounting position of the hydraulic cylinder, and a counter is mounted between the two limit switches. The apparatus can be used to accurately and rapidly measure the dynamic flexural property of a rope core in order to evaluate the quality of the core, basis is provided for the design, manufacture, usage and detection of the core, and accidents due to the breakage of the core during use of the wire rope are avoided.
Description
Technical field
The invention belongs to wire rope core testing equipment technical field, it is primarily related to a kind of wire rope core that measures and moves
Anti-extrusion, wear-resistant, counter-bending and tensile resistance evaluate the assay device of its quality good or not under state flexing conditions.
Background technology
Steel wire rope, by steel wire, stock, wire rope core, is arranged in a combination by design rule.Wherein, effect in steel wire rope for the wire rope core
Mainly support the pressure of outer strands it is ensured that when steel wire rope is bent in running and loads squeezing action, remaining to
Keep original form；Secondly wire rope core can store oils and fatss, and in steel wire rope running, the source as wire rope fiction drive, makes steel
Silk lubrication is good, improves the contact between strand wire, between silk, slows down abrasive damage；Simultaneously as steel wire rope is in the course of the work
After larger impact and extrusion load, repeated stock and extruding can be subject to, wire rope core has the trend becoming broken, and broken wire rope core stitches from stock
The service life having a strong impact on steel wire rope is exposed between gap.The quality of therefore wire rope core performance is most important using having for steel wire rope
Impact, and wire rope core performance is carried out testing also there is irreplaceable important function and meaning.
As an important indicator of wire rope core performance detection, the test of wire rope core Dynamic flexural can be used for simulating steel wire rope
When slipping over pulley, in steel wire rope, steel wire and stock, to the extruding of wire rope core and abrasion, explain the combination property of wire rope core visual in imagely.So
And do not have a kind of applicable wire rope core Dynamic flexural performance test device to be tested accordingly yet at present, therefore design and develop
Go out a kind of measure wire rope core Dynamic flexural performance assay device, detect and evaluate the quality of wire rope core quality, be wire rope core designer,
Manufacturer, user and testing agency's offer foundation of designing, manufacture, use and detecting, it is to avoid during use steel wire rope by
Destroy the security incident causing and quality accident, creative effect in wire rope core.
Content of the invention
The purpose of the present invention exactly provides a kind of mensure steel wire for the weak point in the presence of above-mentioned prior art
The device of rope wire rope core Dynamic flexural performance.Can achieve wire rope core Dynamic flexural performance accurately, conveniently, soon using assembly of the invention
Fast, safe mensure, thus reach the purpose evaluating wire rope core quality good or not.
The assay device that the present invention provides is with respect to another by a kind of material with respect to another kind of material or a kind of structure
A kind of comparison property test of the relative performance of structure, can be used for mensure wire rope core and loads the Dynamic flexural until when destroying through iterative cycles
Life-span.The measuring principle of the present invention is：The wire rope core of suitable length is arranged on custom-designed Dynamic flexural testing machine, with rope
There is the cross-springer of machining or welded reinforcement on the test wheel grooving surface of core contact, and wire rope core one end is added with certain tension force or extension
There is the counterweight of certain load, the other end is fixed on the stroke type hydraulic cylinder with double piston rods such as constant speed（Hereinafter referred to as " hydraulic cylinder "）End
Portion, wire rope core is run with certain speed iterative cycles on pulley, passes through steel during pulley to simulate the steel wire rope in practical application
Silk and stock are to the extruding of wire rope core and abrasion, the anti-Dynamic flexural fatigue life of examination wire rope core.
The technical measures of the present invention are as follows：
The device of the mensure wire rope core Dynamic flexural performance of the present invention includes frame, is arranged on the directive wheel of frame top,
It is arranged on the hydraulic cylinder on frame one heel post in the way of being vertically arranged, be arranged on the test wheel below hydraulic cylinder；Described liquid
Cylinder pressure is the stroke type hydraulic cylinder with double piston rods such as constant speed；Wire rope core one end of tested steel wire rope is connected with hydraulic cylinder lower end, another
Be connected with one end of shackle line after the test wheel that end pile warp is arranged on below hydraulic cylinder, the other end of described steel wire rope around
With counterweight Joint after directive wheel；Upper and lower two strokes are provided with the column on described hydraulic cylinder installation site top open
Close, between two travel switches, enumerator is installed.
Heretofore described test is taken turns to have in the grooving Surface Machining being contacted with wire rope core and is slipped over pulley for simulating steel wire rope
When the extruding to wire rope core for the steel strand and abrasive effect the cross-springer matching with steel wire plied construction in steel wire rope.Described lead
It is smooth curved slot arrangement or identical with the grooving surface texture of test wheel to the grooving surface of wheel.
The operation principle of the present invention and having the beneficial effect that：
Assembly of the invention, using hydraulic cylinder as power source, drives the motion of wire rope core iterative cycles, and enumerator is used for automatically
The record reciprocating number of times of wire rope core, counterweight is used for simulating the loaded load born during wire rope core iterative cycles, test wheel with rope
The grooving surface of core contact is the cross-springer that machining or welded reinforcement are formed, and passes through steel wire rope during pulley to simulate steel wire rope
Middle steel wire and stock are to the extruding of wire rope core and abrasion.This device realizes the mensure of wire rope core Dynamic flexural performance, be wire rope core designer,
Manufacturer, user and testing agency's offer foundation of designing, manufacture, use and detecting, it is to avoid during use steel wire rope by
Destroy in wire rope core and lead to wire cable rupture and cause security incident and quality accident.
Brief description
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of test wheel.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is the A direction view of Fig. 3.
Fig. 5 is the B-B sectional view of Fig. 2.
In figure sequence number：1st, hydraulic cylinder, 2, enumerator, 3, directive wheel, 4, frame, 5, wire rope core, 6, test wheel, 7, transmission steel wire
Rope, 8, counterweight, 9, travel switch.
Specific embodiment
The present invention is below with reference to embodiment（Accompanying drawing）It is further described：
As shown in figure 1, the device of the mensure wire rope core Dynamic flexural performance of the present invention includes frame 4, it is arranged on frame top
The directive wheel 3 in portion, is arranged on the hydraulic cylinder 1 on frame one heel post in the way of being vertically arranged, and is arranged on hydraulic cylinder 1 lower section
Test wheel 6；Described hydraulic cylinder 1 is the stroke type hydraulic cylinder with double piston rods such as constant speed；Wire rope core 5 one end of tested steel wire rope and hydraulic cylinder
1 lower end is connected, and the test that other end pile warp is arranged on below hydraulic cylinder 1 is connected with one end of shackle line 7 after taking turns 6,
With counterweight 8 Joint after the other end pile warp directive wheel 3 of described steel wire rope 7；Column on described hydraulic cylinder 1 installation site top
On upper and lower two travel switches 9 are installed, enumerator 2 is installed between two travel switches 9.
As shown in Fig. 2,3,4,5, heretofore described test wheel 6 the grooving Surface Machining contacting with wire rope core 5 have for
Simulation steel wire rope slips over during pulley steel strand to the extruding of wire rope core and matching with steel wire plied construction in steel wire rope of abrasive effect
The cross-springer closing.
The grooving surface of heretofore described directive wheel 3 is smooth curved slot arrangement, may also be employed and test the rope of wheel 6
Rooved face identical structure.
The operate with method of the present invention is as follows：
Hydraulic cylinder 1 reciprocable in the present invention, the wire rope core 5 for drawing tested steel wire rope moves back and forth and plays static line
The effect of core；Enumerator 2 is used for the automatic record reciprocating number of times of wire rope core 5, and counterweight 8 is used for simulating wire rope core 5 reciprocation cycle and adds
Carry load, test wheel 6 contact with wire rope core 5 grooving surface machine or welded reinforcement cross-springer, to simulate steel wire
Rope slips over strand wire during pulley to the extruding of wire rope core 5 and abrasion., when using, elder generation is as shown in Figure 1 by wire rope core sample for the present invention
It is arranged on Dynamic flexural testing machine, wire rope core 5 is firmly connected with shackle line 7 with U-shaped rope card；Adjust counterweight frame away from ground
Height after, load onto the counterweight 8 of different quality, Adjustment Tests wheel 6 original position be labelling point（I.e. wire rope core 5 and test wheel 6 cut
Point）；Switch on power, set test frequency, and enumerator 2 is reset；Firing test machine, the wire rope core 5 of tested steel wire rope is in test
On wheel 6, iterative cycles run；Long run test is until wire rope core 5 ruptures and records reciprocation cycle number of times, or long run test is to regulation
Its rupture pull force is measured again after cycle-index.This cycle-index or rupture pull force are to evaluate wire rope core Dynamic flexural performance quality
Index.
Furtherly, test wheel 6 wheel footpaths in Fig. 1 are the diameter of simulation different-diameter steel wire rope, and counterweight 8 is that simulation is different
Specification wire rope core iterative cycles loaded load, in Fig. 2,3,4,5, the cross-springer of the machining of grooving surface or welded reinforcement is simulation
In steel wire rope, to the extruding of wire rope core 5 and abrasive manner, common combination is a kind of this mensure device simulation shape together for steel wire and stock
State.For the steel wire rope of more labyrinth, higher intensity level, larger diameter and different surfaces state, different chis can be designed
Very little test wheel and its internal rebar surface cross-springer structure, or be used for being simulated testing using the counterweight of different quality.
Thus realize special wire rope core Dynamic flexural performance accurately, reliable, effectively, safely and quickly measure, effectively solving has at present not yet
A kind of applicable wire rope core Dynamic flexural performance test device can be used for the present situation tested accordingly.
Claims (3)
1. a kind of measure wire rope core Dynamic flexural performance device it is characterised in that：It includes frame（4）, it is arranged on machine
The directive wheel of top of the trellis（3）, it is arranged on the hydraulic cylinder on frame one heel post in the way of being vertically arranged（1）, it is arranged on hydraulic pressure
Cylinder（1）The test wheel of lower section（6）；Described hydraulic cylinder（1）For the stroke type hydraulic cylinder with double piston rods such as constant speed；The rope of tested steel wire rope
Core（5）One end and hydraulic cylinder（1）Lower end is connected, and other end pile warp is arranged on hydraulic cylinder（1）The test wheel of lower section（6）Afterwards with biography
Dynamic steel wire rope（7）One end be connected, described steel wire rope（7）Other end pile warp directive wheel（3）Afterwards with counterweight（8）Joint；
In described hydraulic cylinder（1）Upper and lower two travel switches are provided with the column on installation site top（9）, in two travel switches
（9）Between enumerator is installed（2）.
2. according to claim 1 measure wire rope core Dynamic flexural performance device it is characterised in that：Described test
Wheel（6）With wire rope core（5）The grooving Surface Machining of contact has and slips over during pulley steel strand to wire rope core for simulating steel wire rope（5）'s
Extruding and the cross-springer matching with steel wire plied construction in steel wire rope of abrasive effect.
3. according to claim 1 measure wire rope core Dynamic flexural performance device it is characterised in that：Described guiding
Wheel（3）Grooving surface be smooth curved slot arrangement or with test wheel（6）Grooving surface texture identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611081010.8A CN106404541B (en) | 2016-11-30 | 2016-11-30 | Device for measuring dynamic deflection performance of rope core of steel wire rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611081010.8A CN106404541B (en) | 2016-11-30 | 2016-11-30 | Device for measuring dynamic deflection performance of rope core of steel wire rope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106404541A true CN106404541A (en) | 2017-02-15 |
| CN106404541B CN106404541B (en) | 2023-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611081010.8A Active CN106404541B (en) | 2016-11-30 | 2016-11-30 | Device for measuring dynamic deflection performance of rope core of steel wire rope |
Country Status (1)
| Country | Link |
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| CN (1) | CN106404541B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535117A (en) * | 2018-06-01 | 2018-09-14 | 浙江四兄绳业有限公司 | A kind of hawser abrasion and the combined testing machine that is broken |
| CN110346225A (en) * | 2019-08-14 | 2019-10-18 | 缪协兴 | A kind of anchor cable impact strength test system under supporting state |
| CN111855163A (en) * | 2019-04-19 | 2020-10-30 | 中国石油天然气股份有限公司 | Well testing steel wire fatigue simulation device and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535117A (en) * | 2018-06-01 | 2018-09-14 | 浙江四兄绳业有限公司 | A kind of hawser abrasion and the combined testing machine that is broken |
| CN111855163A (en) * | 2019-04-19 | 2020-10-30 | 中国石油天然气股份有限公司 | Well testing steel wire fatigue simulation device and method |
| CN110346225A (en) * | 2019-08-14 | 2019-10-18 | 缪协兴 | A kind of anchor cable impact strength test system under supporting state |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106404541B (en) | 2023-09-22 |
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