CN203786012U - Test device for monitoring dynamic micro-friction state of steel wire rope-friction liner - Google Patents
Test device for monitoring dynamic micro-friction state of steel wire rope-friction liner Download PDFInfo
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- CN203786012U CN203786012U CN201420182402.3U CN201420182402U CN203786012U CN 203786012 U CN203786012 U CN 203786012U CN 201420182402 U CN201420182402 U CN 201420182402U CN 203786012 U CN203786012 U CN 203786012U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 35
- 238000012360 testing method Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 title claims description 8
- 239000010959 steel Substances 0.000 title claims description 8
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 239000011888 foil Substances 0.000 claims description 12
- 206010017389 Frotteurism Diseases 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 238000011161 development Methods 0.000 abstract 1
- 230000018109 developmental process Effects 0.000 abstract 1
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- 238000004590 computer program Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000004088 simulation Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 241001212149 Cathetus Species 0.000 description 1
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- 238000005065 mining Methods 0.000 description 1
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- 239000007858 starting material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a test device of little friction state of monitoring wire rope-friction liner developments, this test device include bed frame, loading system, little system and the state monitoring system that slides, and loading system includes pouring weight loading system, hydraulic pressure loading system and wire rope, and little system of sliding includes braced system, actuating system and friction drive system, and the state monitoring system includes dynamic tension monitoring system, liner stress measurement system, frictional force measurement system and little monitoring system that slides. The utility model discloses can exert dynamic alternating tension and to exert the dynamic friction between the wire rope-friction liner to wire rope simultaneously, dynamic tension evolution, the wire rope of the different district section of wire rope and friction liner contact arc that can real-time measurement friction liner both sides wire rope slide amplitude a little, the stress variation and the wire rope-dynamic friction between the friction liner of near friction liner contact zone.
Description
Technical field
The utility model patent relates to a kind of test unit and method of monitoring the dynamic micro-Frotteurism of wire rope-friction lining, can simulate friction hoisting maneuver load and promote the bending dynamic micro-friction behavior that is wound in wire rope on circular arc friction lining under operating mode, can realize dynamic monitoring friction lining around the dynamic tension entering and lay out end wire rope develop, near the dynamic friction microslip amplitude of the different section wire rope of arc of contact and friction lining, contact region between STRESS VARIATION, wire rope and the friction lining of friction lining.
Background technology
Along with pit mining moves towards the requirement of deep and modernization large-scale mine High-efficient Production, the advantages such as vertical multi-rope friction type Hoisting System is large with its load-carrying capacity, hoisting depth is large, pulling speed is fast, safety coefficient is high and machine dimensions is little are widely used in during deep-well and super km deep-well promote, undertaking the task of promoting coal, lower putting material, lifting personnel and equipment.Promote end load by wire rope and drive the friction between friction lining on reel or rope sheave to carry out transmission, wire rope with drive reel or rope sheave on central angle corresponding to arc of contact between friction lining enclosing cornerite, be divided into repose angle and slide angle two parts, drive reel or the Tension Difference variable effect repose angle of rope sheave both sides wire rope and the variation of slide angle, when Tension Difference hour, local microslip only occurs between wire rope and friction lining, and repose angle in the highest flight; In the time that Tension Difference increases to certain value, between wire rope and friction lining, there is comprehensive friction slip (skidding).In friction type winder lifting process, the acceleration, deceleration characteristic of hoister and time the rope capacity of dangling that becomes cause the vibration characteristics of vertical friction hoisting system, thereby hoisting cable bears dynamic load effect.Hoisting cable is as a vibrating mass, in the time that moving, hoister can produce transverse vibration, extensional vibration and the coupled vibrations of the two, this vibration likely causes that improper between wire rope and friction lining groove contacts, the dynamic state such as slippage and disengaging, thereby affect the friction driving power between friction lining and wire rope and occur skidding, cause the serious accident of friction drive hoist.Therefore, a kind of test unit and method of monitoring the dynamic micro-Frotteurism of wire rope-friction lining proposed, probing into friction lining under the dynamic micro-Frotteurism of wire rope and friction lining develops around the dynamic tension entering and lay out end wire rope, the microslip amplitude of the different section wire rope of arc of contact and friction lining, near the STRESS VARIATION of friction lining contact region, dynamic friction between wire rope and friction lining, for dynamic micro-friction mechanism of inquiring between wire rope and friction lining, the material type selecting of friction lining and wearing character and had great significance by the rule that affects of dynamic loading duty parameter.
Frictional experiment device between wire rope and liner comprises: the patent No. is 200510134988.1 to have announced a kind of wire rope and liner high-speed tester for friction between, can realize the stepless transformation of different relative slip velocitys between wire rope and liner and avoid wire rope rope skipping phenomenon from drum groove; The patent No. is sliding friction temperature and strain measurement method and the device that 201010121802.X has announced a kind of liner and wire rope, the dynamic real-time measurement of liner temperature and strain in realization height ski-running kinetic friction process; The patent No. is 201110436607.0 to have announced a kind of gasket sliding friction testing machine for mine friction hoisting machine, the tribological property of different sliding speeds, acceleration situation lower liner can study simulation friction winding in mine machine and slide time; Above-mentioned patent is and unidirectional straight line occurs at the uniform velocity between wire rope and friction lining and frictional slip motion comprehensively, and can not investigate dynamic micro-friction behavior research of wire rope on the friction lining that bending is around in cylinder or pulley.The patent No. is 201220707814.5 to have announced a kind of friction drive hoist steel wire rope anti-skid device, make friction lining clamping steel wire rope by mobile Brake Block, the wearing and tearing that cause with interlaced tooth-shape structure real-Time Compensation liner and the wire rope friction of friction lining on Brake Block, can avoid the danger that steel wire rope of hoist occurs to slide, this testing machine is only studied the comprehensive frictional slip motion between wire rope and liner, and can not probe under dynamic loading complex working conditions the dynamic micro-friction behavior between liner on wire rope and cylinder or pulley.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of test method and device of monitoring the dynamic micro-Frotteurism of wire rope-friction lining, near dynamic friction microslip amplitude between can dynamic tension evolution, wire rope and the friction lining of dynamic monitoring friction lining both sides wire rope, wire rope-friction lining contact region between STRESS VARIATION and the wire rope-friction lining of friction lining.
To achieve these goals, the utility model has adopted following technical scheme:
Monitor a test unit for the dynamic micro-Frotteurism of wire rope-friction lining, comprise pedestal, loading system, microslip system and condition monitoring system;
Described pedestal comprises base plate, be symmetricly set on the support post at base plate two ends, be arranged on support post bottom bottom girder, be arranged at the fixing angle steel between support post bottom and base plate and be fixed on the carrier bar at support post top;
Described loading system comprises pouring weight loading system, hydraulic loading system and wire rope, described pouring weight loading system comprises the upper and lower adjustable A pulley bracket being arranged on support post, be fixed on the A pulley on A pulley bracket and be arranged on the weights stack of A pulley bracket below, described hydraulic loading system comprises the upper and lower adjustable B pulley bracket being arranged on support post, be fixed on the B pulley on B pulley bracket, be arranged on the hydraulic cylinder of B pulley bracket below and the pumping plant being connected with hydraulic cylinder, one end of described wire rope is connected with weights stack after walking around A pulley, the other end of wire rope is connected with the piston rod of hydraulic cylinder after walking around B pulley,
Described microslip system comprises support system, drive system and friction driven system, support system comprises the support that is arranged on base plate middle part, prop up top of the trellis hinged by bearing and swing arm middle part, drive system comprises the motor cabinet being fixed on base plate, be fixed on the motor of motor cabinet bottom, the eccentric block being connected with motor output shaft and the connecting rod being connected with eccentric block, connecting rod and swing arm bottom-hinged, friction driven system comprises the liner fixture that is fixed on swing arm top, be fixed on the friction lining in liner fixture and be opened in the arc groove of friction lining end face, wire rope is set up in arc groove, friction lining is spliced by polylith, every friction lining one side xsect offers square groove, offer spill square hole in the position corresponding with square groove, liner fixture side,
Described condition monitoring system comprises dynamic tension monitoring system, liner stress measuring system, friction measurement system and microslip monitoring system, dynamic tension monitoring system comprises the side-pressure tension sensor being installed on the wire rope of friction lining both sides, liner stress measuring system comprises the first foil gauge being affixed on every friction lining square groove, friction measurement system comprises the second foil gauge that is affixed on swing arm surface, microslip monitoring system comprises the high-speed camera head being fixed on carrier bar, the just spill square hole to liner fixture and the square groove of friction lining of high-speed camera head.
In the utility model, preferred, described interlinking lever end arranges ball head, and swing arm bottom is provided with the ball-and-socket suitable with ball head.
Beneficial effect: compared to existing technology, the utility model can apply dynamic alternation tension force to wire rope simultaneously and to applying dynamic micro-friction between wire rope-friction lining, provide effective experimental facilities and effective foundation to the dynamic micro-friction behavior research of wire rope and friction lining under simulation friction type winder lifting operating mode; Simultaneously, can measure in real time the dynamic friction between near STRESS VARIATION and the wire rope-friction lining of the friction lining microslip amplitude, wire rope-friction lining contact region of dynamic tension evolution, wire rope and the different sections of friction lining arc of contact of friction lining both sides wire rope, this under quantitatively characterizing dynamic loading operating mode between wire rope and friction lining micro-rubbing characteristics effective experimental facilities is provided; It is simple in structure, easy and simple to handle, multiple functional, effective, has in the art practicality widely.
Brief description of the drawings
Fig. 1 is the front view of the utility model patent structure;
Fig. 2 is that A-A in Fig. 1 is to view;
Fig. 3 is that B-B in Fig. 2 is to partial view;
Fig. 4 is the I place partial view in Fig. 1.
In figure: 1, carrier bar; 2, support post; 3, B pulley; 4, B pulley bracket; 5, piston rod; 6, cylinder body; 7, pumping plant; 8, bottom girder; 9, fixing angle steel; 10, base plate; 11, ball-and-socket; 12, connecting rod; 13, eccentric block; 14, motor; 15, motor support base; 16, support; 17, bearing; 18, weights stack; 19, swing arm; 20, A pulley bracket; 21, A pulley; 22, side-pressure tension sensor; 23, camera bracket; 24, friction lining; 25, high-speed camera head; 26, the first foil gauge; 27, pin; 28, bolt; 29, liner fixture; 30, wire rope; 31, the second foil gauge; 32, square groove; 33, spill square hole.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is done further and explained.
As shown in Figures 1 to 4, a kind of test unit of monitoring the dynamic micro-Frotteurism of wire rope-friction lining of the present utility model comprises pedestal, loading system, microslip system and condition monitoring system.
Described pedestal comprises base plate 10, be symmetricly set on the support post 2 at base plate 10 two ends, be arranged on support post 2 bottoms bottom girder 8, be arranged at the fixing angle steel 9 between support post 2 bottoms and base plate 10 and be fixed on the carrier bar 1 at support post 2 tops.
Described loading system comprises pouring weight loading system, hydraulic loading system and wire rope 30.Described pouring weight loading system comprises and is arranged on A pulley bracket 20 on support post 2, is fixed on the A pulley 21 on A pulley bracket 20 and is arranged on the weights stack 18 of A pulley bracket 20 belows, weights stack 18 quality are adjustable, for simulating the weight of lifting process hoisting conveyance.Described hydraulic loading system comprises the B pulley bracket 4 that is arranged on support post 2, is fixed on the B pulley 3 on B pulley bracket 4, the pumping plant 7 that is arranged on the hydraulic cylinder 6 of B pulley bracket 4 belows and is connected with hydraulic cylinder 6.One end of described wire rope 30 is connected with weights stack 18 after walking around A pulley 21, and the other end of wire rope 30 is connected with the piston rod 5 of hydraulic cylinder 6 after walking around B pulley 3.Wherein, the A pulley bracket 20 of pouring weight loading system and the B pulley bracket 4 of hydraulic loading system can pass through bolt up-down adjustment, the system pressure of pumping plant 7 can be by computer programming control, can simulate friction-type mine hoisting process wire rope 30 is applied to dynamic alternation tension force.
Described microslip system comprises support system, drive system and friction driven system.Support system comprises the support 16 that is arranged on base plate 10 middle parts, and support 16 tops are hinged by bearing 17 and swing arm 19 middle parts.Drive system comprises the motor cabinet 15 that is fixed on base plate 10, is fixed on the motor 14 of motor cabinet 15 bottoms, the eccentric block 13 being connected with motor 14 output shafts and the connecting rod 12 being connected with eccentric block 13, connecting rod 12 and swing arm 19 bottom-hinged, can change the pendulum angle amplitude of swing arm 19 by adjusting the eccentric distance of eccentric block 13, obtain the friction lining 24 microslip amplitudes of setting.What when connecting rod 12 promotes swing arm 19, swing arm 19 bottoms are applied is the push/pull power load of horizontal linear direction, for the connecting rod 12 of enough avoiding swing arm 19 swing process cathetus motions occurs locked with the swing arm 19 of movement in a curve, described connecting rod 12 ends arrange ball head, swing arm 19 bottoms are provided with the ball-and-socket 11 suitable with ball head, and ball head is placed in to interior connecting rod 12 and swing arm 19 bottom-hinged of realizing of ball-and-socket 11.Friction driven system comprise by bolt 28 be fixed on swing arm 19 tops liner fixture 29, be fixed on the friction lining 24 in liner fixture 29 and be opened in the arc groove of friction lining 24 end faces, the arc radius of arc groove equals swing arm 19 middle part pin joints to swing arm 19 bottoms and connecting rod 12 tie point distances, and wire rope 30 is set up in arc groove.By changing the arc groove diameter of friction lining 24, and the A pulley bracket 20 regulating and the upper-lower position of B pulley bracket 4, the adjusting that can realize wire rope 30 and friction lining 24 is enclosed to cornerite.Friction lining 24 is spliced by polylith, every friction lining 24 1 side xsects offer square groove 32, offer spill square hole 33 in the position corresponding with square groove 32, liner fixture 29 sides, can be convenient to the relative microslip between different arc section wire rope 30 bottoms, contact region and friction lining 24 by spill square hole 33 and square groove 22.
Described condition monitoring system comprises dynamic tension monitoring system, liner stress measuring system, friction measurement system and microslip monitoring system.Dynamic tension monitoring system comprises the side-pressure tension sensor 22 being installed on friction lining 24 both sides wire rope 30.Liner stress measuring system comprises the first foil gauge 26, the first foil gauges 2 of being affixed on every friction lining 24 square grooves dynamic creep for dynamic monitoring friction lining 24, and contact stress between wire rope 30 and friction lining 24.Friction measurement system comprises the second foil gauge 31 that is affixed on swing arm 19 surfaces, the second foil gauge 31 is for the stress of kinetic measurement swing arm 19 relevant positions, indirect calculation goes out the friction force between wire rope 30 and friction lining 24, realizes the real-time measurement of dynamic friction.Microslip monitoring system comprises by camera bracket 23 and is fixed on the high-speed camera head 25 on carrier bar 1, high-speed camera head 25 is the square groove 32 of the spill square hole 33 to liner fixture 29 and friction lining 24 just, realizes the dynamic microslip monitoring that contacts segmental arc between wire rope 30 and friction lining 24.
A test method of utilizing the dynamic micro-Frotteurism of above-mentioned test unit monitoring wire rope-friction lining, the method comprises the following steps:
A) by the system pressure of computer control pumping plant 7, the piston rod 5 of hydraulic cylinder 6 is shunk until wire rope 30 is straightened, side-pressure tension sensor 22 reaches initial small setting value, and side-pressure tension sensor 22 is returned to zero; Continuing increases the system pressure of pumping plant 7 until weights stack 18 stops while being raised certain altitude loading, and records the Tensity size of the wire rope 30 of friction lining 24 both sides by side-pressure tension sensor 22; Set system pressure peak value and the valley of pumping plant 7 by computer program, start computer program, wire rope 30 is applied to dynamic alternation tension force;
B) starter motor 14, drives swing arm 19 shimmy through eccentric block 13 and connecting rod 12, makes to produce microslip between wire rope 30 and friction lining 24, records the dynamic microslip between wire rope 30 and friction lining 24 by high-speed camera head 25; By side-pressure tension sensor 22 by record friction lining 24 both sides wire rope 30 dynamic tension change; The first foil gauge 26 and the second foil gauge 31 are switched on, record respectively the friction force size between near stress and wire rope 30 and the friction lining 24 of friction lining 24 wire rope 30 and friction lining 24 contact regions;
C) when reaching after the shimmy number of times of swing arm 19 of setting, disable motor 14 and pumping plant 7;
D) change system pressure, the arc groove diameter of friction lining 24 and the upper-lower position of A pulley bracket 20 and B pulley bracket 4 of motor 14 frequencies, eccentric block 13 eccentric distances, pumping plant 7, study different microslip frequencies, microslip amplitude, dynamic loading and enclose the dynamic micro-friction behavior between wire rope 30 and friction lining 24 under cornerite condition.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (2)
1. monitor a test unit for the dynamic micro-Frotteurism of wire rope-friction lining, comprise pedestal, loading system, microslip system and condition monitoring system, it is characterized in that:
Described pedestal comprises base plate (10), be symmetricly set on the support post (2) at base plate (10) two ends, be arranged on support post (2) bottom bottom girder (8), be arranged at the fixing angle steel (9) between support post (2) bottom and base plate (10) and be fixed on the carrier bar (1) at support post (2) top;
Described loading system comprises pouring weight loading system, hydraulic loading system and wire rope (30), described pouring weight loading system comprises the upper and lower adjustable A pulley bracket (20) being arranged on support post (2), be fixed on the A pulley (21) on A pulley bracket (20) and be arranged on the weights stack (18) of A pulley bracket (20) below, described hydraulic loading system comprises the upper and lower adjustable B pulley bracket (4) being arranged on support post (2), be fixed on the B pulley (3) on B pulley bracket (4), be arranged on the hydraulic cylinder (6) of B pulley bracket (4) below and the pumping plant (7) being connected with hydraulic cylinder (6), one end of described wire rope (30) is connected with weights stack (18) after walking around A pulley (21), the other end of wire rope (30) is connected with the piston rod (5) of hydraulic cylinder (6) after walking around B pulley (3),
Described microslip system comprises support system, drive system and friction driven system, support system comprises the support (16) that is arranged on base plate (10) middle part, support (16) top is hinged with swing arm (19) middle part by bearing (17), drive system comprises the motor cabinet (15) being fixed on base plate (10), be fixed on the motor (14) of motor cabinet (15) bottom, the eccentric block (13) being connected with motor (14) output shaft and the connecting rod (12) being connected with eccentric block (13), connecting rod (12) and swing arm (19) bottom-hinged, friction driven system comprises the liner fixture (29) that is fixed on swing arm (19) top, be fixed on the friction lining (24) in liner fixture (29) and be opened in the arc groove of friction lining (24) end face, wire rope (30) is set up in arc groove, friction lining (24) is spliced by polylith, every friction lining (24) one side xsects offer square groove (32), offer spill square hole (33) in the position corresponding with square groove (32), liner fixture (29) side,
Described condition monitoring system comprises dynamic tension monitoring system, liner stress measuring system, friction measurement system and microslip monitoring system, dynamic tension monitoring system comprises the side-pressure tension sensor (22) being installed on friction lining (24) both sides wire rope (30), liner stress measuring system comprises the first foil gauge (26) being affixed on every friction lining (24) square groove, friction measurement system comprises the second foil gauge (31) that is affixed on swing arm (19) surface, microslip monitoring system comprises the high-speed camera head (25) being fixed on carrier bar (1), high-speed camera head (25) is the square groove (32) of the spill square hole (33) to liner fixture (29) and friction lining (24) just.
2. a kind of test unit of monitoring the dynamic micro-Frotteurism of wire rope-friction lining according to claim 1, is characterized in that: described connecting rod (12) end arranges ball head, and swing arm (19) bottom is provided with the ball-and-socket suitable with ball head (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420182402.3U CN203786012U (en) | 2014-04-15 | 2014-04-15 | Test device for monitoring dynamic micro-friction state of steel wire rope-friction liner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420182402.3U CN203786012U (en) | 2014-04-15 | 2014-04-15 | Test device for monitoring dynamic micro-friction state of steel wire rope-friction liner |
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| CN203786012U true CN203786012U (en) | 2014-08-20 |
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| CN201420182402.3U Expired - Lifetime CN203786012U (en) | 2014-04-15 | 2014-04-15 | Test device for monitoring dynamic micro-friction state of steel wire rope-friction liner |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104568738A (en) * | 2015-01-27 | 2015-04-29 | 中国矿业大学 | Connector-free steel wire rope and liner stepless speed change sliding friction testing machine and testing method |
| CN103954553B (en) * | 2014-04-15 | 2015-12-16 | 中国矿业大学 | Test device and method for monitoring dynamic micro-friction state of steel wire rope-friction liner |
| CN105858517A (en) * | 2016-06-17 | 2016-08-17 | 中国矿业大学 | Device and method for monitoring dynamic contact status between multi-layer winding steel wire rope and winding drum of extradeep well |
| CN109580061A (en) * | 2018-11-05 | 2019-04-05 | 中国航空工业集团公司西安飞机设计研究所 | The experimental rig and evaluation method of counterbalancing weight friction force of steel rope in aircraft structure test |
-
2014
- 2014-04-15 CN CN201420182402.3U patent/CN203786012U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954553B (en) * | 2014-04-15 | 2015-12-16 | 中国矿业大学 | Test device and method for monitoring dynamic micro-friction state of steel wire rope-friction liner |
| 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 |
| CN104458566B (en) * | 2014-12-05 | 2017-06-16 | 中国矿业大学 | A kind of steel wire rope high speed and fine motion friction test device |
| CN104568738A (en) * | 2015-01-27 | 2015-04-29 | 中国矿业大学 | Connector-free steel wire rope and liner stepless speed change sliding friction testing machine and testing method |
| CN104568738B (en) * | 2015-01-27 | 2017-04-26 | 中国矿业大学 | Connector-free steel wire rope and liner stepless speed change sliding friction tester and testing method |
| CN105858517A (en) * | 2016-06-17 | 2016-08-17 | 中国矿业大学 | Device and method for monitoring dynamic contact status between multi-layer winding steel wire rope and winding drum of extradeep well |
| CN109580061A (en) * | 2018-11-05 | 2019-04-05 | 中国航空工业集团公司西安飞机设计研究所 | The experimental rig and evaluation method of counterbalancing weight friction force of steel rope in aircraft structure test |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140820 Effective date of abandoning: 20151216 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140820 Effective date of abandoning: 20151216 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |