CN205138915U - Charpy impact fatigue testing machine - Google Patents
Charpy impact fatigue testing machine Download PDFInfo
- Publication number
- CN205138915U CN205138915U CN201520911346.7U CN201520911346U CN205138915U CN 205138915 U CN205138915 U CN 205138915U CN 201520911346 U CN201520911346 U CN 201520911346U CN 205138915 U CN205138915 U CN 205138915U
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- pendulum
- bearing
- rotation axis
- steel plate
- rotating shaft
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Abstract
The utility model discloses a charpy impact fatigue testing machine. It is experimental that current fatigue testing machine can't carry out impact fatigue, and the single secondary shock of impact tester mainly used is experimental. The utility model discloses a bearing rigid coupling is on the upper steel sheet of support frame, bearing supporting is passed through in bearing to the pivot, and the motor is through taking drive mechanism drive pivot, the end cover carries out axial positioning to the bearing of supporting pivot, rotatory handle rigid coupling is in the pivot to contact with pendulum top intermittent type, the bearing supporting is passed through in the pendulum axis of rotation in the middle part of pendulum, locking screw connection pendulum and pendulum axis of rotation, the holding screw rigid coupling is passed through on pendulum axis of rotation support to the pendulum axis of rotation, and pendulum axis of rotation support rigid coupling is on the upper steel sheet of support frame, two quality pieces are installed in the pendulum bottom through the stud symmetry, the drift passes through threaded connection bottom the pendulum, and the line -up jig. The utility model discloses keep invariable impact force when repeated impact, and the big or small adjustment of impact force is realized to removable quality piece.
Description
Technical field
The utility model belongs to repeated impact test equipment, particularly relates to the Charpy fatigue tester that can carry out repeatedly repetitive shock torture test.
Background technology
The parts of mechanical system stand repeatedly repeated impact effect sometimes, need evaluate its impact fatigue characteristic.At present, also there is not matured product in domestic impact fatigue testing machine, and in existing fatigue tester and impact testing machine, fatigue tester can carry out the torture test of conventional test specimen, but cannot carry out repeated impact test; Impact testing machine is then mainly used in single-impact test, measures emphatically to the impact toughness of material.
Summary of the invention
The purpose of this utility model is for existing impact, fatigue tester complex structure, operation inconvenience, repeatedly be difficult to during repetitive shock keep the defects such as invariable impulsive force, a kind of Charpy fatigue tester is provided, this testing machine utilizes gravitational load, constant impulsive force can be kept when repetitive shock, and can by changing effective adjustment that mass not of the same race realizes required impulsive force size.
The technical solution adopted in the utility model is:
The utility model is made up of bracing frame, motor, tape handler, rotating shaft supporting mechanism, impact loading mechanism and fixture; Described motor and fixture are all fixed on lower floor's steel plate of bracing frame; Described rotating shaft supporting mechanism is made up of rotating shaft, end cap and bearing spider; Described bearing spider is fixed on the upper strata steel plate of bracing frame; Described rotating shaft is bearing in bearing spider by bearing, and motor is by tape handler drive shaft; Described end cap carries out axial location to the bearing of supporting shaft; Described impact loading mechanism comprises rotating handle, pendulum supporting mechanism, pendulum, mass and drift; Described pendulum supporting mechanism comprises pendulum rotation axis bearing, holding screw, pendulum rotation axis and backing-up screw; Described rotating handle is fixed in rotating shaft, and with pendulum top Intermittent Contact; The middle part of described pendulum is bearing on pendulum rotation axis by bearing; Described backing-up screw connects pendulum and pendulum rotation axis; Pendulum rotation axis is fixed on pendulum rotation axis bearing by holding screw, and pendulum rotation axis bearing is fixed on the upper strata steel plate of bracing frame; Two masses are arranged on bottom pendulum by studs symmetry; Be threaded connection bottom described drift and pendulum, and line-up jig.
Described bracing frame is made up of round steel post, the column of angles and upper and lower layer steel plate; Described lower floor's steel plate bottom welding four round steel posts; Welded by the column of angles between described upper and lower layer steel plate.
Described tape handler is made up of small pulley, belt and large belt wheel; Described small pulley and the output shaft of motor affixed, and to be connected by belt with large belt wheel; Described large belt wheel is fixed in rotating shaft.
The beneficial effect that the utility model has:
1, the utility model utilizes gravitational load impulsive force, can ensure that pendulum equal altitudes is accommodated, guarantee the invariable of impulsive force, impact velocity during repetitive shock;
2, the utility model can realize required impulsive force by exchanging corresponding mass, simple and convenient.
3, the utility model structure is simple, and handling sample is easy, is convenient to the use of machine, maintenance and debugging.
Accompanying drawing explanation
Fig. 1 is stereographic map of the present utility model;
Fig. 2 is schematic diagram of mechanism of the present utility model;
Fig. 3 is the assembling stereogram of pendulum supporting mechanism in the utility model.
In figure: 1, bracing frame, 2, motor, 3, small pulley, 4, belt, 5, large belt wheel, 6, rotating shaft supporting mechanism, 7, rotating handle, 8, pendulum supporting mechanism, 8-1, pendulum rotation axis bearing, 8-2, holding screw, 8-3, pendulum rotation axis, 8-4, backing-up screw, 9, pendulum, 10, mass, 11, drift, 12, sample, 13, fixture.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1,2 and 3, Charpy fatigue tester, is made up of bracing frame 1, motor 2, tape handler, rotating shaft supporting mechanism 6, impact loading mechanism and fixture 13; Bracing frame 1 is made up of round steel post, the column of angles and upper and lower layer steel plate; Lower floor's steel plate bottom welding four round steel posts; Welded by the column of angles between upper and lower layer steel plate; Motor 2 and fixture 13 are all fixed on lower floor's steel plate of bracing frame 1; Tape handler is made up of small pulley 3, belt 4 and large belt wheel 5, and small pulley 3 is affixed with the output shaft of motor 2, and is connected by belt 4 with large belt wheel 5; Rotating shaft supporting mechanism 6 is made up of rotating shaft, end cap and bearing spider; Bearing spider is fixed on the upper strata steel plate of bracing frame 1; Rotating shaft is bearing in bearing spider by bearing, and large belt wheel 5 is fixed in rotating shaft one end; End cap carries out axial location to the bearing of supporting shaft; Impact loading mechanism comprises rotating handle 7, pendulum supporting mechanism 8, pendulum 9, mass 10 and drift 11; Pendulum supporting mechanism 8 comprises pendulum rotation axis bearing 8-1, holding screw 8-2, pendulum rotation axis 8-3 and backing-up screw 8-4; Rotating handle 7 is fixed in the rotating shaft other end, and with pendulum 9 top Intermittent Contact; The middle part of pendulum 9 is bearing on pendulum rotation axis 8-3 by bearing; Backing-up screw 8-4 connects pendulum 9 and pendulum rotation axis 8-3, prevents pendulum 9 from coming off; Pendulum rotation axis 8-3 is fixed on pendulum rotation axis bearing 8-1 by holding screw 8-2, and pendulum rotation axis bearing 8-1 is fixed on the upper strata steel plate of bracing frame 1; Two masses 10 are arranged on bottom pendulum 9 by studs symmetry; Be threaded connection bottom drift 11 and pendulum 9, and line-up jig 13.
The principle of work of this Charpy fatigue tester:
Motor 2 drives rotation axis by tape handler, thus driven rotary handle 7 turns clockwise, during top contact with pendulum 9 of rotating handle 7, pendulum 9 is driven to rotate around pendulum rotation axis 8-3, certain altitude is forwarded to bottom pendulum 9, rotating handle 7 and pendulum 9 depart from, bottom pendulum 9 due to the Action of Gravity Field of mass 10 bottom, the drift 11 be arranged on pendulum 9 is made to impact the sample 12 be clipped on fixture 13, rebound after drift 11 impact specimen, now rotating handle 7 other end contacts with pendulum 9 again, pendulum 9 is driven to rotate up around pendulum rotation axis 8-3, to certain height, rotating handle 7 and pendulum 9 depart from, pendulum 9 bottom, drift 11 impact specimen 12.Rotating handle 7 cycle rotation, drift 11 is periodic shock sample 12 just, until sample 12 ruptures.
Claims (3)
1. Charpy fatigue tester, is characterized in that: be made up of bracing frame, motor, tape handler, rotating shaft supporting mechanism, impact loading mechanism and fixture; Described motor and fixture are all fixed on lower floor's steel plate of bracing frame; Described rotating shaft supporting mechanism is made up of rotating shaft, end cap and bearing spider; Described bearing spider is fixed on the upper strata steel plate of bracing frame; Described rotating shaft is bearing in bearing spider by bearing, and motor is by tape handler drive shaft; Described end cap carries out axial location to the bearing of supporting shaft; Described impact loading mechanism comprises rotating handle, pendulum supporting mechanism, pendulum, mass and drift; Described pendulum supporting mechanism comprises pendulum rotation axis bearing, holding screw, pendulum rotation axis and backing-up screw; Described rotating handle is fixed in rotating shaft, and with pendulum top Intermittent Contact; The middle part of described pendulum is bearing on pendulum rotation axis by bearing; Described backing-up screw connects pendulum and pendulum rotation axis; Pendulum rotation axis is fixed on pendulum rotation axis bearing by holding screw, and pendulum rotation axis bearing is fixed on the upper strata steel plate of bracing frame; Two masses are arranged on bottom pendulum by studs symmetry; Be threaded connection bottom described drift and pendulum, and line-up jig.
2. Charpy fatigue tester according to claim 1, is characterized in that: described bracing frame is made up of round steel post, the column of angles and upper and lower layer steel plate; Described lower floor's steel plate bottom welding four round steel posts; Welded by the column of angles between described upper and lower layer steel plate.
3. Charpy fatigue tester according to claim 1, is characterized in that: described tape handler is made up of small pulley, belt and large belt wheel; Described small pulley and the output shaft of motor affixed, and to be connected by belt with large belt wheel; Described large belt wheel is fixed in rotating shaft.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520911346.7U CN205138915U (en) | 2015-11-16 | 2015-11-16 | Charpy impact fatigue testing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520911346.7U CN205138915U (en) | 2015-11-16 | 2015-11-16 | Charpy impact fatigue testing machine |
Publications (1)
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CN205138915U true CN205138915U (en) | 2016-04-06 |
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Application Number | Title | Priority Date | Filing Date |
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CN201520911346.7U Expired - Fee Related CN205138915U (en) | 2015-11-16 | 2015-11-16 | Charpy impact fatigue testing machine |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106353112A (en) * | 2016-08-25 | 2017-01-25 | 浙江理工大学 | Wheel impact fatigue testing machine for high-speed EMU |
CN107064560A (en) * | 2017-03-03 | 2017-08-18 | 苏州戎维邦信息技术有限公司 | Accelerometer with high g values bump test device |
CN114354424A (en) * | 2022-01-06 | 2022-04-15 | 温州大学 | Punching wear testing machine |
CN115266419A (en) * | 2022-08-17 | 2022-11-01 | 哈尔滨工业大学 | Device and method for researching ultra-low cycle impact fatigue test based on modal test |
-
2015
- 2015-11-16 CN CN201520911346.7U patent/CN205138915U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106353112A (en) * | 2016-08-25 | 2017-01-25 | 浙江理工大学 | Wheel impact fatigue testing machine for high-speed EMU |
CN106353112B (en) * | 2016-08-25 | 2019-01-15 | 浙江理工大学 | High-speed EMUs wheel impact fatigue testing machine |
CN107064560A (en) * | 2017-03-03 | 2017-08-18 | 苏州戎维邦信息技术有限公司 | Accelerometer with high g values bump test device |
CN107064560B (en) * | 2017-03-03 | 2019-09-10 | 苏州戎维邦信息技术有限公司 | Accelerometer with high g values bump test device |
CN114354424A (en) * | 2022-01-06 | 2022-04-15 | 温州大学 | Punching wear testing machine |
CN115266419A (en) * | 2022-08-17 | 2022-11-01 | 哈尔滨工业大学 | Device and method for researching ultra-low cycle impact fatigue test based on modal test |
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Legal Events
Date | Code | Title | Description |
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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: 20160406 Termination date: 20211116 |
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CF01 | Termination of patent right due to non-payment of annual fee |