CN1529145A - Rolling and friction composite testing machine - Google Patents
Rolling and friction composite testing machine Download PDFInfo
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- CN1529145A CN1529145A CNA031512402A CN03151240A CN1529145A CN 1529145 A CN1529145 A CN 1529145A CN A031512402 A CNA031512402 A CN A031512402A CN 03151240 A CN03151240 A CN 03151240A CN 1529145 A CN1529145 A CN 1529145A
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Abstract
The invention is a kind of testing machine which combines rolling and friction, the driving electric motor is connected with speed reducing box, big wheel with the same shaft through coupler, and carries on speed adjusting through the converter in control box, there set friction piece loading device and rolling piece loading device on the bracket at two side of the big wheel respectively, the load of friction piece realizes constant load experience through lever weights, the friction piece is locked with clamper, the weight of the weights fixes the pulling point at the tail part of the lever through guiding wheel by the steel cable, and it is supported by the lever supporting point, the vertical load is changed into the positive pressure of the tested friction piece, the size of the load is adjusted by the weights and the suspending point of the weights. The loading device of rolling piece realizes the constant load experience with the lever weights system. The invention can realize the character of constant load, the structure is simple, the load is stable. It has compound testing function.
Description
Technical field:
The present invention relates to a kind of rolling and friction combined testing machine of variable-ratio, be a kind of by the speed governing of frequency converter drive motor, driving great wheel contacts with rolling member with friction member, when doing the rolling member durability test, can do the friction member durability test again, have the constant load test unit of composite testing function.
Background technology:
Rolling member and friction member are the parts that often use in the machine operation.Because they are consumable accessorys, its life-span is a crucial index.Usually these movement parts are to investigate the life-span in actual use.But for the life-span of verifying trial product or the life-span of before batch product, measuring friction member or rolling member, need on specific test unit sometimes, carry out the environmental stress test, investigate its runnability and life-span.
Usually during the rolling member test, drive rolling member by mating plate, the loading in the rolling member rotation process generally is that the compression by preset rolling member support spring adds radial pressure to rolling member.When using length of spring compressed to load, because rolling member always has in test certain wearing and tearing, therefore the compression travel of spring can change with the generation of wear extent, thereby spring is also changing for the pressure of rolling member, the distinct disadvantage of this device is, in process of the test, must adjust at any time, otherwise be difficult to realize the constant load test.The another kind of method of rolling member pressurization is that the supporting of rolling member is connected with the oil cylinder of a short-stroke hydraulic plunger, by the pressurization of hydraulic system actuation plunger realization to rolling member.Although hydraulic loading system can realize compensating automatically load, hydraulic loading system cost height, energy consumption is big, hydraulic system has oil contamination, and have only the high-precision power of employing or bit shift compensation system, and constantly follow the tracks of pressure and change, could realize the steady load in the process of the test.
When friction member was done the antithesis friction test, the test specimen that general test unit is suitable for was little, when using spring, hydraulic loaded, had above-mentioned shortcoming too.
Summary of the invention:
The objective of the invention is at the deficiencies in the prior art, a kind of rolling and friction combined testing machine of novel changable speed are provided, can respectively or carry out the durability test of rolling member and the anti-wear performance test of friction member simultaneously, can realize the constant load in the test, and energy consumption is low, is suitable for face width.
For realizing such purpose, rolling of the present invention comprises drive motor, great wheel, control box and friction member charger and rolling member charger with the friction combined testing machine.On the bearing of testing machine, great wheel is housed, drive motor links to each other with reducer casing, great wheel coaxial cable by shaft coupling, and carry out speed governing by the frequency converter in the control box, two charger bearings are fixed on great wheel base both sides, one cover friction member charger and rolling member charger can be installed respectively, the friction member of two covers or the rolling member charger of two covers also can be installed simultaneously test.The friction member charger adopts lever system, the gravity of counterweight is become the normal pressure of friction member.The rolling member charger also adopts lever-counterweight system.
Great wheel bearing, rolling member and friction member charger bearing are fixed on the base of testing machine, and the two ends of great wheel rotating shaft are supported by rolling bearing, and the rolling bearing bearing is connected with the great wheel bearing, and great wheel becomes driving wheel behind the electric motor starting.The linear velocity of great wheel realizes electric machine speed regulation by frequency converter.
The loading of friction member is to realize the constant load test by lever counterweight system.Friction member such as bar-shaped, sheet test specimen can be by the clampings of tong-like anchor clamps, and according to the size of test specimen, the adjustable locking device of the cover of one in the anchor clamps is locked in test specimen in the anchor clamps, and loading system also is made up of lever-counterweight system.The weight of counterweight will be drawn the tail end that a little is fixed on lever by wire rope through angle sheave, by the point supporting of lever, convert normal load the normal pressure of tested friction member to, and the big I of load is regulated by the hitch point of what and counterweight of counterweight.
Loading device of rolling also is to realize the constant load test by lever counterweight system.During loading, add weights on lever, because the effect of fulcrum realizes rolling member is exerted pressure at the hitch point (hitch point can move as required) of lever.
This testing machine both can be done the rolling member durability test, can do the friction member durability test again, was a kind of test unit with composite testing function.Charger of the present invention is a constant load system, no matter be to rolling member or friction member, all can be implemented in the constant load characteristic in the process of the test, and it is simple in structure, and load is stable.
Rolling of the present invention drives great wheel with the friction combined testing machine by the frequency converter drive motor, the end face of great wheel is fitted with the surface of rolling member, when great wheel rotates, the friction force that normal pressure produced drive rolling member by end face and rolling member relatively rotates, and realizes the durability test of rolling member.Great wheel wheel rim side and friction member are fitted, and during the runner rotation, friction member is static, thereby realizes the antithesis friction, carry out the anti-wear performance test of friction member.
Rolling member charger of the present invention adopts lever-counterweight system, counterweight can accurately be demarcated, how much pressure of rolling member can be regulated by lever ratio (promptly changing the suspension centre of counterweight on lever) and counterweight, the wearing and tearing of rolling member, influence the pressure of rolling member hardly, the constant load in therefore can realizing testing.
The loading of friction member is to realize the constant load test by lever-steel cable-counterweight system among the present invention.Friction member, by the clamping of tong-like anchor clamps, according to the size of test specimen, the adjustable locking device of the cover of one in the anchor clamps is locked in test specimen in the anchor clamps as bar-shaped, sheet test specimen.The weight of counterweight converts normal load the normal pressure of friction member to by lever principle in the loading system, and the big I of load is regulated by the hitch point of what and counterweight of counterweight.Compare with traditional antithesis rubbing method, the suitable face width of test specimen, speed adjustable range is big, and load is stable.
Also be provided with many cover safeguard protection facilities among the present invention, when test specimen occurs owing to problems such as the transition that comes off, ruptures, weares and teares, can protect the major diameter runner not impaired effectively.Be provided with the microswitch of protective device under the loading lever as rolling member, when big displacement appears in lever, touch microswitch, thereby cut off the control loop of motor, motor is shut down.When the displacement of lever during near the limit travel of microswitch, lever will touch electromechanical stop, and the end face of protection microswitch and runner is not impaired.The loading lever system of friction member also is provided with the protective device of similar electrical equipment and machinery in the side of lever.
Testing machine of the present invention has the composite testing function, can carry out two pairs of friction members or two rolling member tests simultaneously, also can test simultaneously a roller and a pair of friction member.No matter be to rolling member or friction member, all can be implemented in the constant load characteristic in the process of the test, general structure is simply compact, and energy consumption is low.
Description of drawings:
Fig. 1 is an one-piece construction synoptic diagram of the present invention.
Fig. 2 is the side view of structure shown in Figure 1.
Among Fig. 1, Fig. 2,1 is the friction member charger, and 2 is great wheel, and 3 is the rolling member charger, and 4 is motor, 5 is reducer casing, and 6 is shaft coupling, and 7 is control box, and 8 is base, 9 is the great wheel bearing, and 10 is counterweight, and 11 is rolling member charger bearing, and 12 is friction member charger bearing.
Fig. 3 is a rolling member charger structural representation of the present invention.
Among Fig. 3,2 is great wheel, and 8 is base, and 10 is counterweight, and 11 is rolling member charger bearing, and 13 is balance pivot, and 14 is lever, and 15 is the counterweight hitch point, and 16 is electric and mechanical protective device, and 17 is tested rolling member.
Fig. 4 is a friction member charger structure front elevation of the present invention.
Among Fig. 4,10 is counterweight, and 24 is angle sheave, and 25 is the wire rope hitch point on the lever, and 26 is wire rope, and 27 for counterweight hangs suspension centre, and 12 is friction member charger bearing.
Fig. 5 is a friction member charger structure vertical view of the present invention.
Among Fig. 5,2 is great wheel, and 10 is counterweight, and 18,19 is tested friction member, and 20 is the friction member anchor clamps, and 21 for loading balance pivot, and 22 is lever, and 23 is electric and Machine guarding, and 24 is angle sheave, and 25 is the wire rope hitch point on the lever, and 26 is wire rope.
Embodiment:
Below in conjunction with accompanying drawing technical scheme of the present invention is further described.
Fig. 1, structural representation shown in Figure 2 are seen in the realization of technical solution of the present invention.Combined testing machine of the present invention comprises drive motor 4, great wheel 2, control box 7 and friction member charger 1 and rolling member charger 3.Great wheel 2 is housed on great wheel bearing 9, and drive motor 4 links to each other with reducer casing 5, great wheel 2 coaxial cables by shaft coupling 6, and carries out speed governing by the frequency converter in the control box 7.The two ends of great wheel rotating shaft are supported by rolling bearing, and the rolling bearing bearing is connected with great wheel bearing 9, and drive motor 4 starts back great wheel 2 and becomes driving wheel.Great wheel base 8 both sides are rolling member charger bearing 11 and friction member charger bearing 12 fixedly, one cover rolling member charger 3 and friction member charger 1 is installed respectively, the friction member charger of two covers or the rolling member charger of two covers also can be installed simultaneously tests.
Rolling member charger 3 is realized the constant load test by lever counterweight system, as shown in Figure 3.During loading, add weights 10, because the effect of balance pivot 13 realizes rolling member is exerted pressure at counterweight hitch point 15 places that load lever 14.Counterweight hitch point 15 can move on lever 14 as required, can apply different pressure to rolling member like this.The 16th, electric and mechanical protective device; be contained in the bottom that loads lever 14; electric protective device is the travel switch of a fine motion; Machine guarding is provided in a side of an adjustable bolt on the bearing 11 as mechanical stop; in case rolling member serious wear; peel off on the surface; bolster distortion or fracture; lever at first touches electric protective device when big displacement occurring; electric switch will cut off the control loop of drive motor; motor is shut down; when the downward stroke of lever during near the limit travel of switch, the mechanical stop device withstands lever, the protection travel switch; make rolling member no longer stressed simultaneously, protection great wheel 2 is not impaired.Before the test, earlier counterweight 10 is unloaded, tested rolling member 17 is fixed on the end points of loading lever 14,, as calculated, determine the position of counterweight hitch point 15 to add weight again 10 at the afterbody of lever then according to the size of test load pressure.
During great wheel 2 rotations, tested friction member 18,19 and loading lever 22 maintain static, and the antithesis friction is done in the side of tested friction member and great wheel 2.When in case the wear extent of tested friction member surpasses setting value; loading lever 22 will touch electric and electric switch Machine guarding 23; and will cut off the control loop of drive motor; motor is shut down; lever is withstood by the mechanical stop device simultaneously, thereby the side of protection great wheel 2 does not directly contact with the support fixture 20 of friction member.
When test needs, the rolling member charger can be unloaded, change the friction member charger, can test two groups of (four) friction members this moment simultaneously; Similarly, the friction member charger can be unloaded, change the rolling member charger, can carry out the test of two rolling members this moment simultaneously.
Claims (3)
1, a kind of rolling and friction combined testing machine, comprise drive motor (4), great wheel (2), control box (7), it is characterized in that also comprising friction member charger (1) and/or rolling member charger (3), great wheel (2) is housed on great wheel bearing (9), drive motor (4) is by shaft coupling (6) and reducer casing (5), great wheel (2) coaxial cable links to each other, and carry out speed governing by the frequency converter in the control box (7), two charger bearings (11 are fixed on great wheel base (8) both sides, 12), a cover rolling member charger (3) or a friction member charger (1) is installed respectively.
2, rolling as claimed in claim 1 and friction combined testing machine; it is characterized in that described rolling member charger (3) realizes constant load test by lever counterweight system; load lever (14) and locate to add weights (10) thereon by the counterweight hitch point (15) that can move; under the support that loads balance pivot (13); rolling member is exerted pressure, be provided with electric and Machine guarding (16) under the loading lever (14).
3; rolling as claimed in claim 1 and friction combined testing machine; it is characterized in that described friction member charger (1) is made up of the lever-wire rope-counterweight system of two symmetries; tested friction member (18; 19) by tong-like anchor clamps (20) clamping that loads lever (22) end; the weight of counterweight (10) will be drawn through angle sheave (24) by wire rope (26) and a little will be fixed on the tail end that loads lever (22); by loading the supporting of balance pivot (21); normal load is converted to the normal pressure of tested friction member; the size of load is regulated by counterweight (10) and counterweight hitch point (27), and friction member loads lever (22) side and is provided with electric and Machine guarding (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03151240 CN1220042C (en) | 2003-09-26 | 2003-09-26 | Rolling and friction composite testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03151240 CN1220042C (en) | 2003-09-26 | 2003-09-26 | Rolling and friction composite testing machine |
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| Publication Number | Publication Date |
|---|---|
| CN1529145A true CN1529145A (en) | 2004-09-15 |
| CN1220042C CN1220042C (en) | 2005-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03151240 Expired - Fee Related CN1220042C (en) | 2003-09-26 | 2003-09-26 | Rolling and friction composite testing machine |
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| CN (1) | CN1220042C (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007006210A1 (en) * | 2005-07-09 | 2007-01-18 | Yanshan University | Rolling contact fatigue tester for inspecting the simulated working condition |
| CN100562741C (en) * | 2006-04-18 | 2009-11-25 | 燕山大学 | On-line measuring and testing machine for radial sliding bearing friction and wearing |
| 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 tester and testing method |
| CN104634686A (en) * | 2015-03-10 | 2015-05-20 | 中国矿业大学 | Twisted-type hoister steel wire rope interlayer friction detection device and method |
| CN105571862A (en) * | 2014-10-17 | 2016-05-11 | 上海交通大学 | Rolling contact fatigue testing machine |
| CN106248512A (en) * | 2016-07-11 | 2016-12-21 | 中国科学院宁波材料技术与工程研究所 | A kind of method and device of assessment material abrasion behavior |
| CN106404575A (en) * | 2015-07-29 | 2017-02-15 | 哈尔滨飞机工业集团有限责任公司 | Pulley wear testing equipment |
| CN106644936A (en) * | 2016-12-02 | 2017-05-10 | 广州日滨科技发展有限公司 | Elevator sliding guide shoe liner testing machine |
| CN107290276A (en) * | 2017-06-14 | 2017-10-24 | 中船重工海声科技有限公司 | Turn round frictional testing machine |
| CN107505258A (en) * | 2017-04-25 | 2017-12-22 | 无锡职业技术学院 | A kind of big load Multifunctional friction testing machine |
| CN107727524A (en) * | 2017-11-03 | 2018-02-23 | 江山金链精密科技有限公司 | A kind of chain wear contrast test platform |
| CN109342178A (en) * | 2018-12-04 | 2019-02-15 | 山东三越仪器有限公司 | Energy dissipating, damping, shock insulation comprehensive test system |
| CN111413238A (en) * | 2020-04-20 | 2020-07-14 | 江苏科技大学 | Friction-wear test device under current-carrying condition |
| CN112394027A (en) * | 2019-08-12 | 2021-02-23 | 中国石油化工股份有限公司 | Weight, reciprocating type friction and wear testing machine and friction and wear testing method |
| CN114235615A (en) * | 2022-01-14 | 2022-03-25 | 清华大学天津高端装备研究院 | Current-carrying friction wear test method |
| CN114577655A (en) * | 2022-05-06 | 2022-06-03 | 安徽省通达新材料有限公司 | Equipment and method for detecting wear resistance of aluminum-plated film coating |
-
2003
- 2003-09-26 CN CN 03151240 patent/CN1220042C/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100374846C (en) * | 2005-07-09 | 2008-03-12 | 燕山大学 | Work condition analogue rolling contact fatigue tester |
| WO2007006210A1 (en) * | 2005-07-09 | 2007-01-18 | Yanshan University | Rolling contact fatigue tester for inspecting the simulated working condition |
| CN100562741C (en) * | 2006-04-18 | 2009-11-25 | 燕山大学 | On-line measuring and testing machine for radial sliding bearing friction and wearing |
| CN105571862A (en) * | 2014-10-17 | 2016-05-11 | 上海交通大学 | Rolling contact fatigue testing machine |
| 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 tester 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 |
| CN104634686A (en) * | 2015-03-10 | 2015-05-20 | 中国矿业大学 | Twisted-type hoister steel wire rope interlayer friction detection device and method |
| CN106404575B (en) * | 2015-07-29 | 2019-08-02 | 哈尔滨飞机工业集团有限责任公司 | A kind of pulley wear test equipment |
| CN106404575A (en) * | 2015-07-29 | 2017-02-15 | 哈尔滨飞机工业集团有限责任公司 | Pulley wear testing equipment |
| CN106248512A (en) * | 2016-07-11 | 2016-12-21 | 中国科学院宁波材料技术与工程研究所 | A kind of method and device of assessment material abrasion behavior |
| CN106644936A (en) * | 2016-12-02 | 2017-05-10 | 广州日滨科技发展有限公司 | Elevator sliding guide shoe liner testing machine |
| CN107505258A (en) * | 2017-04-25 | 2017-12-22 | 无锡职业技术学院 | A kind of big load Multifunctional friction testing machine |
| CN107290276A (en) * | 2017-06-14 | 2017-10-24 | 中船重工海声科技有限公司 | Turn round frictional testing machine |
| CN107290276B (en) * | 2017-06-14 | 2023-07-11 | 中船重工海声科技有限公司 | Rotary friction testing machine |
| CN107727524A (en) * | 2017-11-03 | 2018-02-23 | 江山金链精密科技有限公司 | A kind of chain wear contrast test platform |
| CN109342178A (en) * | 2018-12-04 | 2019-02-15 | 山东三越仪器有限公司 | Energy dissipating, damping, shock insulation comprehensive test system |
| CN112394027A (en) * | 2019-08-12 | 2021-02-23 | 中国石油化工股份有限公司 | Weight, reciprocating type friction and wear testing machine and friction and wear testing method |
| CN111413238A (en) * | 2020-04-20 | 2020-07-14 | 江苏科技大学 | Friction-wear test device under current-carrying condition |
| CN114235615A (en) * | 2022-01-14 | 2022-03-25 | 清华大学天津高端装备研究院 | Current-carrying friction wear test method |
| CN114577655A (en) * | 2022-05-06 | 2022-06-03 | 安徽省通达新材料有限公司 | Equipment and method for detecting wear resistance of aluminum-plated film coating |
| CN114577655B (en) * | 2022-05-06 | 2022-07-15 | 安徽省通达新材料有限公司 | Equipment and method for detecting wear resistance of aluminum-plated film coating |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1220042C (en) | 2005-09-21 |
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