CN2731439Y - Thermal fatigue testing machine for spring - Google Patents
Thermal fatigue testing machine for spring Download PDFInfo
- Publication number
- CN2731439Y CN2731439Y CN 200420079965 CN200420079965U CN2731439Y CN 2731439 Y CN2731439 Y CN 2731439Y CN 200420079965 CN200420079965 CN 200420079965 CN 200420079965 U CN200420079965 U CN 200420079965U CN 2731439 Y CN2731439 Y CN 2731439Y
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- spring
- body frame
- test
- frame
- elastic system
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- Expired - Fee Related
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Abstract
The utility model relates to a thermal fatigue testing machine for a spring, belonging to the testing equipment for the spring performance. The machine principally adopts a machine frame to lift a body through a vibration isolating spring, the body is composed of a body frame and a tested spring clamping component installed on the upper frame of the body, an elastic system and the driving components of the elastic system of which the quality blocks adopt an upper plate and a lower plate to connect with four connecting rods into an integration, and four groups of balance blocks are respectively installed on the four edges of the lower plate of which the upper and lower sides are symmetrically provided with an upper and a lower driving heads fixed with the body frame. The utility model has simple, compact and reasonable structure, high testing frequency and energy is saved when driving and the machine can load many tested springs with the function of being able to test the fatigue of the tested spring in the hot environment, but the fatigue testing machine for the spring used in the normal temperature doesn't have the function.
Description
Technical field
The utility model relates to a kind of spring thermal fatigue tester, belongs to the spring performance testing equipment.
Background technology
Before the utility model was made, in prior art, the electromagnetic force that current widely used spring fatigue test machine is a superior performance drove the resonance type.Its structure is to adopt frame by isolation spring body to be held up.Body is by the body frame, the spring clamping part that is put to the test, and the driver part of elastic system and elastic system is formed.The spring clamping part that is put to the test is made up of the limited block and the screw rod of top board, lower platen, symmetry installation up and down.The upper semisection of screw rod is a right-hand thread, and the screw middle with top board matches.The lower semisection of screw rod is a left-hand thread (LHT), and the screw middle with lower platen matches.Handwheel and screw rod lower end are fixed, during forward and reverse turn handwheel, last lower platen under the restriction of gathering sill on above-below direction translation close up and separate.The handwheel of forward turn is constantly gone up at last lower platen and is stopped to close up and clamping under the restriction of limited block.At this moment clamping part and body frame are fixed together.Elastic system is made up of be put to the test spring and the mass laid as the symmetry up and down of flexible member.Mass is the rectangular slab that ferromagnetic material is made, and it is the hole bigger tens millimeters than screw diameter, aperture that screw rod passes the position, does not collide with screw rod when mass moves up and down.Two groups of clamping parts that symmetry is installed are when clamped condition, and the group of two halves up and down that symmetry is installed is put to the test in the middle of spring is clamped in mass, and the spring that is put to the test also is forced into and gives compression height accordingly, and the natural frequency of mass up-down vibration is also just determined.The driver part of elastic system is made up of driving head up and down.Last driving head is made up of the iron core and the magnetizing coil that are fixed in body top of the trellis middle position.Following driving head is made up of the iron core and the magnetizing coil that are fixed in body frame bottom center position.In the body frame, install following two groups of driving heads, front and back two symmetrical groups be put to the test spring clamping part and a centrosymmetric rectangle mass.When giving the logical half period up and down that goes up exchange current of magnetizing coil of driving head up and down respectively, driving head alternately applies electromagnetic attraction to mass up and down, when the frequency of exchange current is consistent with above-mentioned natural frequency, elastic system resonates, the amplitude maximum of mass up-down vibration, spring also just have peak swing.Regulate above-mentioned size of current, the spring amplitude that just can obtain being scheduled to.This testing machine is done the torture test superior performance to spring at normal temperatures.But in its structure, the driving head of non-refractory is too close with the spring installation site that is put to the test, and can't do thermal fatigue test to the spring that is put to the test.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby provides a kind of simple, compact and reasonable for structure; It is many to adorn the number of springs that is put to the test, and the test frequency height drives energy-conservationly, and possesses the not available spring fatigue test machine that can make the spring that is put to the test do torture test in hot environment of spring fatigue test machine that normal temperature uses.
Main solution of the present utility model is achieved in that
The utility model mainly adopts frame 19 by isolation spring 18 body to be held up, body is by body frame 17 and be installed in the spring clamping part that is put to the test of body frame 17 upper ledges, the driver part of elastic system and elastic system is formed, mass in the elastic system adopts upper plate 6 and lower plate 14 and four connecting rods 12 to join together, four groups of counterbalance weights 15 are installed in lower plate 14 4 limits respectively, at the fixing driving head up and down 13,16 of the upper and lower sides symmetric arrangement of lower plate 6 and body frame 17.
Compared with the prior art the utility model has the following advantages:
The utility model is simple, compact and reasonable for structure; All premium properties that its spring fatigue test machine that is equipped with the normal temperature use is possessed can be adorned the number of springs that is put to the test many (nearly three figure places); Test frequency height (reaching about 3000 times/minute); Drive energy-conservation (the complete machine driving power has only several hectowatts) etc., and also possess the not available spring that is put to the test that can make of spring fatigue test machine that normal temperature uses and do the function of torture test at high temperature (the highest 200 degrees centigrade) environment.
Description of drawings
Fig. 1 is the utility model structural front view.
Embodiment
Embodiment during following the utility model is incited somebody to action in conjunction with the accompanying drawings is further described:
The utility model mainly adopts frame 19 by isolation spring 18 body to be held up.Body is made up of body frame 17 and the driver part that is installed in be put to the test spring clamping part, elastic system and the elastic system of body frame upper ledge.Body frame 17 adopts web member that body frame upper ledge and body frame lower frame are coupled as one.The spring clamping part that is put to the test is made of top board 2, lower platen 8, guide plate 4, limited block 5, the screw rod 9 that upward the Lower Half thread rotary orientation is opposite and the handwheel 11 that is installed on the screw rod.The upper semisection of screw rod is a right-hand thread, and the screw middle with top board matches.The lower semisection of screw rod is a left-hand thread (LHT), and the screw middle with lower platen matches.Handwheel 11 is fixed with screw rod 9 lower ends, during forward and reverse turn handwheel 11, last lower platen 2,8 under the restriction of guide plate 4 on above-below direction translation close up and separate.The handwheel of forward turn constantly 11 is gone up lower platen 2,8 at last and is stopped to close up and clamping under the restriction of limited block 4.At this moment clamping part and body frame upper ledge are fixed together.Flexible member in the elastic system is the spring 7 that is put to the test.The rectangle lower plate 14 that the mass of elastic system is made by rectangle upper plate 6, of magnetic permeable material and four groups of counterbalance weights 15 of quality of regulation center are formed.The upper and lower plates structure that joins together is made up of upper plate 6 and lower plate 14 and four connecting rods 12, is used for four groups of counterbalance weights 15 of quality of regulation center to be installed in four limits of lower plate 14.It is holes bigger tens millimeters than screw diameter, aperture that screw rod 9 passes upper plate 6 positions, does not collide with screw rod 9 when upper plate 6 moves up and down.Driver part is made up of last driving head 13 and following driving head 16.Last driving head 13 is made of the iron core and the magnetizing coil that are fixed on body frame 17 lower frame top center positions.Following driving head 16 is made of the iron core and the magnetizing coil that are fixed on body frame 17 lower frame bottom centre positions.During forward and reverse turn handwheel 11, last lower platen 2,8 moves up and down under the restriction of guide plate 4, and the spring 7 that will be put to the test clamps or unclamps.When clamping was put to the test spring 7, last lower platen 2,8 clamped limited block 4 at last, and clamping part just is fixed together with body frame 17 upper ledges, at this moment the height of limited block 4 compression height that gives of spring 7 that determined to be put to the test.Testing machine is installed down two groups of driving heads altogether, the be put to the test mass of spring clamping part and one group of upper and lower plates structure of front and back two symmetrical groups.
Principle of work of the present utility model is: be put to the test spring 7 under the clamped condition of spring clamping part, the spring that is put to the test clamps upper plate 6, and lower plate 14 is suspended in up and down between the driving head 13,16 and certain clearance is arranged.By flexible member be put to the test that spring 7 and upper and lower plates architecture quality piece constitute elastic system in the vibration of above-below direction its natural frequency is arranged.The magnetizing coil of driving head 13,16 feeds the half period up and down of exchange current respectively about we give, the lower plate of elastic system just is subjected to the electromagnetic force effect up and down with above-mentioned exchange current same frequency, transmission through four connecting rods 12, upper plate 6 makes two and half groups of alternate compression up and down of the spring that is put to the test, and (when first group compression of the spring that is put to the test, second organizes elongation; When second group of the spring that is put to the test was compressed, first organized elongation).When we fed the frequency of driving head electric current Natural Frequency of Vibration is consistent on above-below direction with elastic system, elastic system resonated, and the amplitude maximum of the length of spring compressed that is put to the test elongation promptly has maximum amplitude.Change the size of this electric current, just can change the size of the spring test amplitude that is put to the test.
In addition, the utility model has designed the high-temperature region that is surrounded by insulation material.Electrical heating elements 3 (about two groups) is arranged, high temperature air circulation passage 1 and high temperature air circulating fan 10 in the high-temperature region.The high-temperature region only is surrounded body top, makes the spring that is put to the test with regard to being in the high-temperature region and the driving head of non-refractory is isolated in the normal temperature district outside the high-temperature region.The high-temperature region heat-insulation layer is isolated high temperature air with soft elastic material at four connecting rod places of passing of body frame connector and mass.Temperature control device controls to predetermined temperature with the air of high-temperature region.
Claims (3)
1, a kind of spring thermal fatigue tester, adopt frame (19) body to be held up by isolation spring (18), body is by body frame (17) and be installed in the spring clamping part that is put to the test of body frame (17) upper ledge, the driver part of elastic system and elastic system is formed, it is characterized in that the mass in the elastic system adopts upper plate (6) and lower plate (14) to join together with four connecting rods (12), four groups of counterbalance weights (15) are installed in lower plate (14) four limits respectively, at the upper and lower sides symmetric arrangement and the fixing driving head up and down (13,16) of body frame (17) of lower plate (6).
2, spring thermal fatigue tester according to claim 1 is characterized in that described body frame (17) adopts web member that body frame upper ledge and body frame lower frame are coupled as one.
3, spring thermal fatigue tester according to claim 1 is characterized in that described four connecting rods (12) place of passing at body frame (17) web member and mass isolates high temperature air with soft elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420079965 CN2731439Y (en) | 2004-09-29 | 2004-09-29 | Thermal fatigue testing machine for spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420079965 CN2731439Y (en) | 2004-09-29 | 2004-09-29 | Thermal fatigue testing machine for spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2731439Y true CN2731439Y (en) | 2005-10-05 |
Family
ID=35051772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420079965 Expired - Fee Related CN2731439Y (en) | 2004-09-29 | 2004-09-29 | Thermal fatigue testing machine for spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2731439Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308299A (en) * | 2013-06-04 | 2013-09-18 | 浙江伊思灵双第弹簧有限公司 | Temperature-controlled multiphase horizontal spring fatigue tester |
| CN106768931A (en) * | 2016-12-02 | 2017-05-31 | 长春越洋汽车零部件有限公司 | The hot fatigue tester of bellows multiaxis |
-
2004
- 2004-09-29 CN CN 200420079965 patent/CN2731439Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308299A (en) * | 2013-06-04 | 2013-09-18 | 浙江伊思灵双第弹簧有限公司 | Temperature-controlled multiphase horizontal spring fatigue tester |
| CN103308299B (en) * | 2013-06-04 | 2015-08-05 | 浙江伊思灵双第弹簧有限公司 | Temperature Control Type leggy horizontal spring fatigue tester |
| CN106768931A (en) * | 2016-12-02 | 2017-05-31 | 长春越洋汽车零部件有限公司 | The hot fatigue tester of bellows multiaxis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051005 Termination date: 20091029 |