CN100483105C - Elevator dray driving sliding contact fatigue wear testing machine - Google Patents
Elevator dray driving sliding contact fatigue wear testing machine Download PDFInfo
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- CN100483105C CN100483105C CNB2006101170556A CN200610117055A CN100483105C CN 100483105 C CN100483105 C CN 100483105C CN B2006101170556 A CNB2006101170556 A CN B2006101170556A CN 200610117055 A CN200610117055 A CN 200610117055A CN 100483105 C CN100483105 C CN 100483105C
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- wire rope
- elevator
- support
- bearing seat
- traction sheave
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Abstract
The invention relates to abrasion machine of the elevator towing contacting tiredness. The variable-frequency electric machine drives the towing wheel to rotate by the shaft coupling and the bearing block after the reducer; one end of the cable wire is connected to the arc framework and the other is connected to the draught spring after fixing the two end with the lantern ring by the clap; it changes the pressure and the friction force between the cable wire and the wheel slot by changing the tension force of the cable wire by loading the hand wheel to draw the spring. So it can get the friction force by the fore-and-aft pulling force. So the invention can test the sliding friction and the abrasion character in the different condition to provide the data for designing the elevator towing.
Description
Technical field
What the present invention relates to is a kind of equipment of field of mechanical technique, specifically, is elevator dray driving sliding contact fatigue wear testing machine.
Background technology
Abrasion tester is a kind of experimental provision that the load-bearing capacity or the secondary friction and wear characteristic of pairing of lubricant are tested.Elevator dray driving sliding contact fatigue wear testing machine mainly is the skimming wear characteristic that is used for testing traction sheave and wire rope grooving under different materials, load and cornerite situation.Because a variety of causes of design, selection, manufacturing, installation and traction system itself, elevator be after operation after a while, can produce in various degree wearing and tearing with the contacted grooving of traction steel-cable on its traction sheave.Wherein except the rolling friction wearing and tearing, also have a kind of because of skidding or sliding frictional wear that other reasonses such as overload or installation cause.Along with the increase day by day of the degree of wear, elevator often is in operation and sends abnormal noise, and follows the car jitter phenomenon, and the security of elevator and comfortableness are caused to a certain degree influence.Therefore, invent a kind of elevator dray driving sliding contact fatigue wear testing machine, wire rope and the traction sheave and the grooving geometric configuration thereof of different materials used in check, different wire rope tensile load, different contact cornerite, and under different sliding speed situations the sliding friction and the wearing character of grooving and wire rope, help elevator wire rope and traction sheave are carried out reasonable material, appropriate design grooving shape, rationally determine the load and the velocity range of elevator traction transmission, these experimental study contents all have significance to the design and the maintenance of elevator traction transmission.
Find by prior art documents, the Chinese patent publication number is CN2393090Y, denomination of invention is: a kind of abrasion tester, this technology discloses a kind of abrasion tester that is carried in after by leverage electromagnetic force being amplified on the test specimen, the size of electromagnetic force changes by the rule of setting, and the The whole control circuit is by Single-chip Controlling.Its defective is, can only simulate the skimming wear of this simple friction pair between disk and the block, at all can't simulant elevator traction sheave grooving and wire rope between the friction of motion abrasion condition, therefore can not be applied in elevator traction wheel grooving and this sliding wear testing of wire rope the groove face friction pair.In addition, this abrasion tester can only be set the size of electromagnetic force, can't measure the size of friction force.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, a kind of elevator dray driving sliding contact fatigue wear testing machine is provided.The present invention is for the elevator traction transmission, wire rope and the traction sheave and the grooving thereof of different materials used in check, different wire rope tensile load, different contact cornerite, and under different sliding speed situations the sliding friction and the wearing character of grooving and wire rope, have simple in structure, the characteristics that are easy to test.
The present invention is achieved by the following technical solutions, the present invention includes: load handwheel, track, slide block, following pointer, graduated scale, tension spring, go up pointer, the movable end collar, movable end rope clamp, wire rope, traction sheave, stiff end rope clamp, the stiff end collar, arc frame, adjustable frequency motor, speed reduction unit, shaft coupling, bearing seat, rotating shaft, support, screw rod.Annexation is: the output of adjustable frequency motor and speed reduction unit be input as direct attachment type, use bolt between the base of speed reduction unit and the support, the output shaft of speed reduction unit is connected through key between the input end of shaft coupling and the interior rotating shaft of bearing seat, traction sheave is fastened on the output terminal of rotating shaft in the bearing seat with key, rotating shaft is installed in the bearing seat in " back-to-back " mode with two angular contact bearings, use bolt between bearing seat and the support, wire rope is walked around the race of traction sheave, one end of wire rope connects clamping by the movable end rope clamp with screw thread pair after walking around the movable end collar, the other end of wire rope connects clamping by solid moved end rope clamp with screw thread pair after walking around the stiff end collar, the stiff end collar is fixed on the arc frame with threaded pin, use bolt between arc frame and the support, be processed with the threaded hole of some diverse locations on the end face of arc frame, be used for fixing the stiff end collar, make between wire rope and the traction sheave different contact cornerites is arranged, the last end hook of tension spring directly is connected with the endoporus of the movable end collar, pointer on affixed on the end face of the movable end collar, the following end hook of tension spring directly is connected with the endoporus of slide block, affixed pointer down on the end face of slide block, make pointer with following pointer horizontal parallel and in same vertical guide, two pointers all point to the scale on the graduated scale, constitute mobile auxiliary connection between slide block and the track, track is fixed by bolts on the support, graduated scale is fixed on the support with screw thread, the upper end of screw rod and slider bottom screw thread are affixed, and the lower end of screw rod constitutes screw pair after passing support and between the loading handwheel.
The course of work of the present invention and principle are: rotate handwheel, driving screw rod and slide block moves down, moving down of slide block makes the tension spring anamorphic stretching, thereby make wire rope be stretched on the grooving of traction sheave by pulling force, the size of wire rope tensile force can be calculated according to the axial deflection of tension spring and obtain, and the axial deflection of tension spring then can pass through last pointer, the reading value of pointer on graduated scale calculates and obtain down.Before adjustable frequency motor starts, rotate handwheel earlier, apply a given initial tension to wire rope, after adjustable frequency motor started, variable-frequency motor passed to power the rotation that drives traction sheave on the traction sheave through behind the speed reduction unit by shaft coupling and bearing seat; Wire rope is walked around the race of traction sheave, with rope clamp respectively with two ends and the collar fixing after, an end links to each other with the arc frame, the other end links to each other with tension spring; Thereby tension spring is applied pulling force change the size that tension force of steel wire changes normal pressure and friction force between wire rope and the race by loading handwheel; After the loading, open motor, can determine the size of friction force by the pulling force reading before and after the load operating to stable.
The present invention can test at different wire rope tensile forces, different sliding speeds, friction and wear characteristic under the different contact cornerite conditions between traction sheave and the wire rope, wherein different wire rope tensile forces can obtain the different axial deformation of tension spring generation by rotating handwheel, sliding speed between grooving and the wire rope can obtain by the output speed that conversion method changes adjustable frequency motor, different contact cornerites can obtain by changing the stiff end collar different screwhole position on arc frame end face, force of sliding friction can obtain by calculating the pulling force difference that starts the front and back tension spring after the steady running, and the wearing character between grooving and the wire rope can obtain in the move down amount of certain operating condition end of run fore-and-aft survey wire rope in grooving.The present invention can be under different loads, different contact cornerite, different sliding speed condition wire rope and traction sheave, and the characteristic of different traction sheave grooving geometric configuration lower slider friction and wears of test different materials, for the suitable traction sheave of design elevator traction transmission selection and wire rope and conditions such as operating load and speed provide experimental data.
Description of drawings
Fig. 1 is a structural representation front view of the present invention
Fig. 2 is a structural representation left view of the present invention
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, 2, present embodiment comprises: load handwheel 1, track 2, slide block 3, following pointer 4, graduated scale 5, tension spring 6, go up pointer 7, the movable end collar 8, movable end rope clamp 9, wire rope 10, traction sheave 11, stiff end rope clamp 12, the stiff end collar 13, arc frame 14, adjustable frequency motor 15, speed reduction unit 16, shaft coupling 17, bearing seat 18, rotating shaft 19, support 20, screw rod 21.Annexation is:
The output of adjustable frequency motor 15 and speed reduction unit 16 be input as direct attachment type, use bolt between the base of speed reduction unit 16 and the support 20, the output shaft of speed reduction unit 16 is connected through key between the input end of shaft coupling 17 and bearing seat 18 interior rotating shafts 19, traction sheave 11 usefulness keys are fastened on the output terminal of rotating shaft 19 in the bearing seat 18,2 angular contact bearings of rotating shaft 19 usefulness are installed in the bearing seat 18 in " back-to-back " mode, use bolt between bearing seat 18 and the support 20, wire rope 10 is walked around the race of traction sheave 11, one end of wire rope 10 is walked around the movable end collar 8 backs and is connected clamping by movable end rope clamp 9 usefulness screw thread pairs, the other end of wire rope 10 is walked around the stiff end collar 13 backs and is connected clamping by solid moved end rope clamp 12 usefulness screw thread pairs, the stiff end collar 13 usefulness threaded pins are fixed on the arc frame 14, use bolt between arc frame 14 and the support 20, be processed with the threaded hole of some diverse locations on the end face of arc frame 14, be used for fixing the stiff end collar 13, make between wire rope 10 and the traction sheave 11 different contact cornerites is arranged, the last end hook of tension spring 6 directly is connected with the endoporus of the movable end collar 8, pointer 7 on affixed on the end face of the movable end collar 8, the following end hook of tension spring 6 directly is connected with the endoporus of slide block 3, affixed pointer 4 down on the end face of slide block 3, make pointer 7 with following pointer 4 horizontal parallel and in same vertical guide, two pointers all point to the scale on the graduated scale 5, constitute mobile auxiliary connection between slide block 3 and the track 2, track 2 is fixed by bolts on the support 20, graduated scale 5 usefulness screw threads are fixed on the support 20, the upper end of screw rod 21 and slide block 3 bottom thread are affixed, and the lower end of screw rod 21 constitutes screw pair after passing support 20 and between the loading handwheel 1.
Present embodiment rotates handwheel 1, driving screw rod 21 and slide block 3 moves down, moving down of slide block 3 makes tension spring 6 anamorphic stretchings, thereby make wire rope 10 be stretched on the grooving of traction sheave by pulling force, the size of wire rope 10 tensile forces can be calculated according to the axial deflection of tension spring 6 and obtain, and the axial deflection of tension spring 6 then can pass through last pointer 7, the reading value of pointer 4 on graduated scale 5 calculates and obtain down.Before adjustable frequency motor 15 starts, rotate handwheel 1 earlier, apply a given initial tension for wire rope 10, after adjustable frequency motor 15 starts, power is by speed reduction unit 16, shaft coupling 17, pass to rotating shaft 19, thereby drive traction sheave 11 rotations, between the grooving of traction sheave 11 and the wire rope 10 sliding friction takes place.The present invention can test at different wire rope tensile forces, different sliding speeds, friction and wear characteristic under the different contact cornerite conditions between traction sheave and the wire rope, wherein different wire rope tensile forces can obtain the different axial deformation of tension spring 6 generations by rotating handwheel 1, sliding speed between grooving and the wire rope can obtain by the output speed that conversion method changes adjustable frequency motor 15, different contact cornerites can obtain by changing the stiff end collar 13 different screwhole position on arc frame 14 end faces, force of sliding friction can obtain by calculating the pulling force difference that starts front and back tension spring 6 after the steady running, and the wearing character between grooving and the wire rope can obtain in the move down amount of certain operating condition end of run fore-and-aft survey wire rope in grooving.
Claims (3)
1. elevator dray driving sliding contact fatigue wear testing machine, comprise: load handwheel, track, slide block, following pointer, graduated scale, tension spring, last pointer, the movable end collar, the movable end rope clamp, wire rope, traction sheave, the stiff end rope clamp, the stiff end collar, the arc frame, adjustable frequency motor, speed reduction unit, shaft coupling, bearing seat, rotating shaft, support, screw rod, it is characterized in that, the output of adjustable frequency motor is connected with being input as directly of speed reduction unit, use bolt between the base of speed reduction unit and the support, the output shaft of speed reduction unit is connected through key between the input end of shaft coupling and the interior rotating shaft of bearing seat, traction sheave is fastened on the output terminal of rotating shaft in the bearing seat with key, rotating shaft is installed in the bearing seat, use bolt between bearing seat and the support, wire rope is walked around the race of traction sheave, one end of wire rope connects clamping by the movable end rope clamp with screw thread pair after walking around the movable end collar, the other end of wire rope connects clamping by the stiff end rope clamp with screw thread pair after walking around the stiff end collar, the stiff end collar is fixed on the arc frame with threaded pin, use bolt between arc frame and the support, the last end hook of tension spring directly is connected with the endoporus of the movable end collar, pointer on affixed on the end face of the movable end collar, the following end hook of tension spring directly is connected with the endoporus of slide block, affixed pointer down on the end face of slide block, constitute mobile auxiliary connection between slide block and the track, track is fixed by bolts on the support, graduated scale is fixed on the support with screw thread, the upper end of screw rod and slider bottom screw thread are affixed, and the lower end of screw rod constitutes screw pair after passing support and between the loading handwheel.
2. elevator dray driving sliding contact fatigue wear testing machine according to claim 1, it is characterized in that, the end face of described arc frame is provided with the threaded hole of some diverse locations, is used for fixing the stiff end collar, and making between wire rope and the traction sheave has different contact cornerites.
3. elevator dray driving sliding contact fatigue wear testing machine according to claim 1 is characterized in that, described rotating shaft is installed in the bearing seat in " back-to-back " mode with 2 angular contact bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101170556A CN100483105C (en) | 2006-10-12 | 2006-10-12 | Elevator dray driving sliding contact fatigue wear testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101170556A CN100483105C (en) | 2006-10-12 | 2006-10-12 | Elevator dray driving sliding contact fatigue wear testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1932472A CN1932472A (en) | 2007-03-21 |
| CN100483105C true CN100483105C (en) | 2009-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006101170556A Expired - Fee Related CN100483105C (en) | 2006-10-12 | 2006-10-12 | Elevator dray driving sliding contact fatigue wear testing machine |
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Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101468768B (en) * | 2007-12-28 | 2010-12-22 | 上海三菱电梯有限公司 | Traction type elevator towline life tester |
| CN102564939B (en) * | 2011-12-23 | 2014-07-16 | 中国矿业大学 | Gasket sliding friction testing machine for mine friction hoisting machine |
| CN103454171B (en) * | 2012-05-30 | 2016-07-13 | 海洋王（东莞）照明科技有限公司 | Friction durability tested device and method by a kind of steel wire rope |
| CN103205908A (en) * | 2013-03-21 | 2013-07-17 | 江苏法尔胜技术开发中心有限公司 | Steel wire rope deformation rate measuring device |
| CN104150303B (en) * | 2013-05-13 | 2016-08-10 | 永大电梯设备（中国）有限公司 | Multifunctional lift traction-driven friction testing arrangement and method of testing |
| CN104121840B (en) * | 2014-08-02 | 2017-01-25 | 山东省特种设备检验研究院泰安分院 | Gap measuring device and particularly elevator landing door gap measuring instrument |
| CN104266922B (en) * | 2014-09-03 | 2017-02-01 | 南通金轮研发中心有限公司 | Rapid flat clothing abrading instrument and control method |
| CN104634686B (en) * | 2015-03-10 | 2017-05-03 | 中国矿业大学 | Twisted-type hoister steel wire rope interlayer friction detection device and method |
| CN105584944B (en) | 2016-03-04 | 2017-11-10 | 中国矿业大学 | A kind of boom hoist cable layer to layer transition detection means and method |
| CN105699232B (en) * | 2016-03-22 | 2018-11-13 | 武汉科技大学 | The experimental rig of controllable abrasion load |
| CN106353211B (en) * | 2016-08-12 | 2019-05-14 | 国网新疆电力公司电力科学研究院 | Electric armour clamp abrasion tester |
| CN107352353B (en) * | 2017-08-15 | 2019-05-03 | 日立电梯（中国）有限公司 | Elevator rope pulley sliding frictional wear life-span test system and its test method |
| CN108439139A (en) * | 2018-04-08 | 2018-08-24 | 杭州辛辰科技有限公司 | A kind of spiral tracking-driven elevator |
| CN109781558B (en) * | 2018-09-29 | 2021-08-10 | 江苏省产品质量监督检验研究院 | Program-controlled mechanical stress test device |
| CN109959574A (en) * | 2019-03-21 | 2019-07-02 | 上海海事大学 | A kind of small-sized multi-state rope abrasion tester and working method |
| CN110186790A (en) * | 2019-05-23 | 2019-08-30 | 天津大学 | A kind of surgical instrument wirerope performance testing device and method |
| CN112696460B (en) * | 2020-12-07 | 2022-06-10 | 杭州电子科技大学 | Pitching balancing device of arc-shaped movable slide rail |
| CN114354482B (en) * | 2021-11-25 | 2022-10-28 | 中国矿业大学 | Device and method for monitoring damage of steel wire rope-wheel groove roller and sliding friction coupling |
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| CN1397797A (en) * | 2001-07-12 | 2003-02-19 | 因温特奥股份公司 | Detector for detecting wear of bearing rope |
| US6550323B1 (en) * | 2000-02-28 | 2003-04-22 | The Goodyear Rubber & Tire Company | Fatigue machine for testing cord or filament |
| CN2676181Y (en) * | 2003-05-30 | 2005-02-02 | 武汉理工大学 | Fatigue test installation for wire rope and pulley |
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2006
- 2006-10-12 CN CNB2006101170556A patent/CN100483105C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6550323B1 (en) * | 2000-02-28 | 2003-04-22 | The Goodyear Rubber & Tire Company | Fatigue machine for testing cord or filament |
| CN1397797A (en) * | 2001-07-12 | 2003-02-19 | 因温特奥股份公司 | Detector for detecting wear of bearing rope |
| CN2676181Y (en) * | 2003-05-30 | 2005-02-02 | 武汉理工大学 | Fatigue test installation for wire rope and pulley |
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| Publication number | Publication date |
|---|---|
| CN1932472A (en) | 2007-03-21 |
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Granted publication date: 20090429 Termination date: 20111012 |