CN202599772U - Fatigue tensile tester - Google Patents
Fatigue tensile tester Download PDFInfo
- Publication number
- CN202599772U CN202599772U CN 201220115273 CN201220115273U CN202599772U CN 202599772 U CN202599772 U CN 202599772U CN 201220115273 CN201220115273 CN 201220115273 CN 201220115273 U CN201220115273 U CN 201220115273U CN 202599772 U CN202599772 U CN 202599772U
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- fixed
- guide rod
- runner
- cupping machine
- pin bushing
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Abstract
The utility model relates to a fatigue tensile tester, which comprises a frame, wherein an upper chuck is fixed on the upper part of the frame; a lower chuck is arranged below the upper chuck; an elastic element is fixed at the lower end of the lower chuck; a guide rod is fixed at the lower end of the elastic element and is matched in guide sleeves in a sliding manner; the guide sleeves are fixed on the frame; and the lower end of the guide rod is connected with a reciprocating driving mechanism. By the fatigue tensile tester, the reciprocating driving mechanism drives the guide rod to slide up and down and drives the elastic element to be periodically stretched and deformed, so that periodic stress can be supplied to a test piece; the fatigue tensile tester is specially used for testing the fatigue performance of a material and is single in function, simple in structure and relatively low in cost; and the test cost is low, so that a plurality of sets of equipment can be simultaneously tested.
Description
Technical field
The utility model relates to the testing fatigue equipment of wind power generating set material, specifically a kind of tired cupping machine.
Background technology
Wind-power electricity generation is one of the most popular now new forms of energy, receives helping energetically of national policy, and developing state is very good.Yet various faults emerge in an endless stream during the wind energy conversion system operation, have seriously restricted the development of wind-powered electricity generation.As the blade of one of wind energy conversion system core component, require very high its serviceable life, designed by 20 years, and every 1 week of rotation of blade, blade vibration 1 time, its fatigue period reaches 10
8, i.e. superelevation period frequency.Blade is a composite product, material property good and bad most important, and testing of materials is the key and the necessary process of its performance of assessment.But testing fatigue generally only measures 10 at present
7, promptly use the life-span to be merely 1.67.With 10
7The frequency is carried out the test of material and is obtained design data, can not satisfy the actual request for utilization of blade, and this has hidden potential safety hazard for the wind energy conversion system actual motion, so blade fault incidence height, and blade accident such as damage, fracture also is no lack of and sees.
At present; The equipment of test material performance mainly is universal testing machine on the market; It mainly is made up of test macro, drive system, control system and computer, and drive system provides power, and control system provides the stable output of data; Test macro is handled the data transfer of test to computer, finally reach the purpose of test.Wherein, more is electronic universal tester and universal hydraulic testing machine, can stretch to various materials, compress, crooked, peel off, multinomial performance test such as shearing, the degree of integration of function is higher, equipment manufacturing cost is expensive.Because fatigue property test needs for a long time engaged test equipment incessantly, therefore, the fatigue property test cost is huge, and existing testing apparatus is not suitable for large scale test material 10
8The all fatigue behaviours of superelevation.
Summary of the invention
The utility model is to the problems referred to above, and a kind of simple in structure, tired cupping machine that cost is low is provided.
Technical scheme according to the utility model: a kind of tired cupping machine, comprise framework, the top of said framework is fixed with upper grip; The below of said upper grip is provided with lower chuck; The lower end of said lower chuck is fixed with flexible member, and the lower end of said flexible member is fixed with guide rod, and said guide rod is slidingly fitted in the guide pin bushing; Said guide pin bushing is fixed on the said framework, and the lower end of said guide rod links to each other with reciprocating drive mechanism.
Said reciprocating drive mechanism comprises the runner of the vertical installation that is arranged on said guide rod below, is coaxially installed with belt pulley on the said runner, and the lower end of said guide rod is hinged with connecting link, and the other end of said connecting link is hinged on the said runner.
Said reciprocating drive mechanism comprises the runner of the vertical installation that is arranged on said guide rod below, is coaxially installed with belt pulley on the said runner, has sliding tray on the surface of said runner, and the lower end of said guide rod is engaged in the said sliding tray through pin slide.
Said runner and said belt pulley are installed on the main shaft, and said main shaft support is on two bearing seats.
Be with sleeve on the main shaft between said two bearing seats.
Be provided with the chuck piece in said upper grip and the said lower chuck.
Said flexible member adopts spring.
Said guide pin bushing has two, and each said guide pin bushing is fixed on the middle part of said framework through the guide pin bushing fixed bar.
Said framework is made up of entablature, column and sill.
One side of said sill is fixed with two supporting legs, is fixed with bearing seat on said two supporting legs and supports.
The technique effect of the utility model is: the utility model slides up and down through the reciprocating drive mechanism drive leader; And drive periodically dilatation of flexible member; To test specimen periodic stress is provided, thereby is specifically designed to the fatigue behaviour of test material, function singleness; Simple in structure, so cost is lower; The utility model testing cost is low, can realize that multiple devices test simultaneously.
Description of drawings
Fig. 1 is the perspective view of first kind of embodiment of the utility model.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the rear view of Fig. 2.
Fig. 5 is the left view of second kind of embodiment of the utility model.
Fig. 6 is the rear view of second kind of embodiment of the utility model.
Embodiment
Be further described below in conjunction with the embodiment of accompanying drawing the utility model.
Among Fig. 1～Fig. 6, comprise that entablature 1, column 2, first bearing pin 3, upper grip 4, chuck piece 5, test specimen 6, lower chuck 7, second bearing pin 8, spring 9, the 3rd bearing pin 10, guide pin bushing fixed bar 11, guide pin bushing 12, guide rod 13, the 4th bearing pin 14, connecting link 15, runner 16, the 5th bearing pin 17, sill 18, main shaft 19, bearing 20, bearing seat 21, sleeve 22, belt pulley 23, bearing seat support 24, supporting leg 25, bearing pin 26, sliding tray 27 etc.
The utility model is a kind of tired cupping machine, and Fig. 1～shown in Figure 4 is first kind of embodiment of the utility model, Fig. 5, shown in Figure 6 be second kind of embodiment of the utility model.
Like Fig. 1～shown in Figure 6, the utility model comprises the rectangular frame that is made up of entablature 1, column 2 and sill 18.One side of sill 18 is fixed with two supporting legs 25, makes things convenient for the installation of the utility model, is fixed with bearing seat on two supporting legs 25 and supports 24.
The entablature of framework upper 1 time has upper grip 4 through first bearing pin, 3 hinged securement, and the below of upper grip 4 is provided with lower chuck 7, and during test, test specimen 6 is clipped between upper grip 4 and the lower chuck 7.Stud with chuck piece 5 in upper grip 4 and the lower chuck 7, when equipment is afterburning, play the effect of automatic clamping test specimen 6.
The lower end of lower chuck 7 has elastic component through second bearing pin, 8 hinged securement, and flexible member generally adopts spring 9.There is guide rod 13 lower end of flexible member through the 3rd bearing pin 10 hinged securement, and guide rod 13 is slidingly fitted in the guide pin bushing 12, can in guide pin bushing 12, slide up and down.Guide pin bushing 12 has two, and each guide pin bushing 12 is welded on the middle part of guide pin bushing fixed bar 11, is fixed on the middle part of upright of frame 2 through guide pin bushing fixed bar 11.
The lower end of guide rod 13 links to each other with reciprocating drive mechanism, and reciprocating drive mechanism has two kinds.
Like Fig. 1～shown in Figure 6; First kind of reciprocating drive mechanism comprises the runner 16 of the vertical installation that is arranged on guide rod 13 belows; Be coaxially installed with belt pulley 23 on the runner 16; The lower end of guide rod 13 is hinged with connecting link 15 through the 4th bearing pin 14, and the other end of connecting link 15 is hinged on the runner 16 through the 5th bearing pin 17.
Runner 16 and belt pulley 23 are installed on the main shaft 19 through key respectively, and main shaft 19 is supported on two bearing seats 21 through bearing 20.Be with sleeve 22 on the main shaft 19 between two bearing seats 21, the distance between sleeve 22 fixing two bearings 20.Two bearing seats 21 are fixed on bearing seat and support on 24.
Like Fig. 5, shown in Figure 6; Second kind of reciprocating drive mechanism comprises the runner 16 of the vertical installation that is arranged on guide rod 13 belows; Be coaxially installed with belt pulley 23 on the runner 16; Have sliding tray 27 on the surface of runner 16, the lower end of guide rod 13 is fixed with bearing pin 26, is slidingly fitted in the sliding tray 27 through bearing pin 26.Sliding tray 27 can be designed to different shape according to actual conditions, to satisfy various stressing conditions.
The principle of work of the utility model is following: like Fig. 1～first kind of embodiment shown in Figure 4; External force drive pulley 23 rotates; Belt pulley 23 drives runner 16 through main shaft 19 and rotates; Runner 16 orders about guide rod 13 through connecting link 15 and in guide pin bushing 12, slides up and down, and making provides periodic stress to test specimen 6 by periodically dilatation of spring 9.
Like Fig. 5, second kind of embodiment shown in Figure 6; Belt pulley 23 drives runner 16 through main shaft 19 and rotates, and slides in the sliding tray 27 of runner 16 through bearing pin 26, orders about guide rod 13 and in guide pin bushing 12, slides up and down; Make and to test specimen 6 periodic stress is provided by periodically dilatation of spring 9.
The utility model is specifically designed to the fatigue behaviour of test material, and function singleness has been removed other function of universal testing machine, and simple in structure, cost can drop to 10% of legacy equipment, can be implemented in to carry out on the identical cost basis superelevation week 10
8Testing fatigue; Because the power of the utility model drive motor is less, so energy consumption is lower; The utility model testing cost is low, can realize that multiple devices test simultaneously.
Claims (10)
1. tired cupping machine, it is characterized in that: comprise framework, the top of said framework is fixed with upper grip (4); The below of said upper grip (4) is provided with lower chuck (7); The lower end of said lower chuck (7) is fixed with flexible member, and the lower end of said flexible member is fixed with guide rod (13), and said guide rod (13) is slidingly fitted in the guide pin bushing (12); Said guide pin bushing (12) is fixed on the said framework, and the lower end of said guide rod (13) links to each other with reciprocating drive mechanism.
2. according to the described tired cupping machine of claim 1; It is characterized in that: said reciprocating drive mechanism comprises the runner (16) of the vertical installation that is arranged on said guide rod (13) below; Be coaxially installed with belt pulley (23) on the said runner (16); The lower end of said guide rod (13) is hinged with connecting link (15), and the other end of said connecting link (15) is hinged on the said runner (16).
3. according to the described tired cupping machine of claim 1; It is characterized in that: said reciprocating drive mechanism comprises the runner (16) of the vertical installation that is arranged on said guide rod (13) below; Be coaxially installed with belt pulley (23) on the said runner (16); Have sliding tray (27) on the surface of said runner (16), the lower end of said guide rod (13) is slidingly fitted in the said sliding tray (27) through bearing pin (26).
4. according to claim 2 or 3 described tired cupping machines, it is characterized in that: said runner (16) and said belt pulley (23) are installed on the main shaft (19), and said main shaft (19) is supported on two bearing seats (21).
5. according to the described tired cupping machine of claim 4, it is characterized in that: be with sleeve (22) on the main shaft (19) between said two bearing seats (21).
6. according to the described tired cupping machine of claim 1, it is characterized in that: be provided with chuck piece (5) in said upper grip (4) and the said lower chuck (7).
7. according to the described tired cupping machine of claim 1, it is characterized in that: said flexible member adopts spring (9).
8. according to the described tired cupping machine of claim 1, it is characterized in that: said guide pin bushing (12) has two, and each said guide pin bushing (12) is fixed on the middle part of said framework through guide pin bushing fixed bar (11).
9. according to the described tired cupping machine of claim 1, it is characterized in that: said framework is made up of entablature (1), column (2) and sill (18).
10. according to the described tired cupping machine of claim 9, it is characterized in that: a side of said sill (18) is fixed with two supporting legs (25), is fixed with bearing seat on said two supporting legs (25) and supports (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220115273 CN202599772U (en) | 2012-03-24 | 2012-03-24 | Fatigue tensile tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220115273 CN202599772U (en) | 2012-03-24 | 2012-03-24 | Fatigue tensile tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202599772U true CN202599772U (en) | 2012-12-12 |
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ID=47317301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220115273 Expired - Fee Related CN202599772U (en) | 2012-03-24 | 2012-03-24 | Fatigue tensile tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202599772U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076226A (en) * | 2012-12-28 | 2013-05-01 | 哈尔滨工业大学 | Device and method for testing tensile mechanical property of metallic foil plate with help of high-frequency vibration |
| CN103163032A (en) * | 2013-03-29 | 2013-06-19 | 四川大学 | System and method for detecting fatigue strength of steel beam of corrugated steel web |
| CN104034615A (en) * | 2014-06-20 | 2014-09-10 | 中国科学院国家天文台 | Variable-load fatigue test machine for small-deformation component |
| CN104568401A (en) * | 2014-12-11 | 2015-04-29 | 重庆亿铸机械制造有限公司 | Lever mechanism of tensile testing machine |
| CN108956340A (en) * | 2018-08-10 | 2018-12-07 | 嘉兴学院 | A kind of tensile fatigue test method |
| CN110646281A (en) * | 2019-09-10 | 2020-01-03 | 广西大学 | Tensile testing machine suitable for low cycle fatigue test |
-
2012
- 2012-03-24 CN CN 201220115273 patent/CN202599772U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076226A (en) * | 2012-12-28 | 2013-05-01 | 哈尔滨工业大学 | Device and method for testing tensile mechanical property of metallic foil plate with help of high-frequency vibration |
| CN103163032A (en) * | 2013-03-29 | 2013-06-19 | 四川大学 | System and method for detecting fatigue strength of steel beam of corrugated steel web |
| CN103163032B (en) * | 2013-03-29 | 2015-08-05 | 四川大学 | The system and method for detection waveform steel web steel beam fatigue strength |
| CN104034615A (en) * | 2014-06-20 | 2014-09-10 | 中国科学院国家天文台 | Variable-load fatigue test machine for small-deformation component |
| CN104568401A (en) * | 2014-12-11 | 2015-04-29 | 重庆亿铸机械制造有限公司 | Lever mechanism of tensile testing machine |
| CN108956340A (en) * | 2018-08-10 | 2018-12-07 | 嘉兴学院 | A kind of tensile fatigue test method |
| CN110646281A (en) * | 2019-09-10 | 2020-01-03 | 广西大学 | Tensile testing machine suitable for low cycle fatigue test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20150324 |
|
| EXPY | Termination of patent right or utility model |