CN202994565U - Torsion spring fatigue testing machine - Google Patents
Torsion spring fatigue testing machine Download PDFInfo
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- CN202994565U CN202994565U CN 201320015980 CN201320015980U CN202994565U CN 202994565 U CN202994565 U CN 202994565U CN 201320015980 CN201320015980 CN 201320015980 CN 201320015980 U CN201320015980 U CN 201320015980U CN 202994565 U CN202994565 U CN 202994565U
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- torsion spring
- cam
- fixed head
- plane
- flywheel
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Abstract
A torsion spring fatigue testing machine is disclosed; a torsion spring clamp (4) comprises a sliding plate (6) and at least one fixed plate (7); the fixed plate (7) is vertically fixed at the upper end face of a frame (1); the plane of the fixed plate (7) is perpendicular to the axis of an output shaft of a motor (2); at least one shift lever (9) is disposed at one side of the sliding plate (6) near the fixed plate (7); the middle part of the shift lever (9) is slidingly connected with a chute (8); a gag lever post (10) corresponding to the shift lever (9) is disposed in the fixed plate (7) plane above the free end of the shift lever (9); a loop bar (11) for sleeving the torsion spring is disposed right below the gag lever post (10) in the fixed plate (7) plane; the chute (8) is located between the gag lever post (10) and the loop bar (11); and the distance between the gag lever post (10) and the loop bar (11) is smaller than the length of the torsion spring torsion leg. Compared with the prior art, the utility model has the characteristics of simple structure, few parts, good stability, more closeness of obtained testing data to actual using conditions, and high testing efficiency.
Description
Technical field
The utility model relates to a kind of torsional spring fatigue tester.
Background technology
At present, torsion spring is used widely in every field, and the inefficacy of torsion spring is all generally fatigue failures, therefore the torture test of torsion spring is just seemed more important.The torsional spring fatigue tester of prior art is not that structure is more complicated, and parts are more, is not easy to assembling, and preparation cost is higher; Be exactly that structure is more single, need the workman manually to carry out, the less stable during test, the data differences when obtaining data with actual the use is larger; And the torsional spring fatigue tester of prior art can only carry out torture test to a torsion spring at every turn, therefore test efficiency is lower.
The utility model content
The utility model provides a kind of structure simpler for above problem, and parts are less, stability better, the test figure that draws is the torsional spring fatigue tester of closing to reality operating position and the higher regulating block of test efficiency more.
the utility model overcomes the above problems technical scheme used: a kind of torsional spring fatigue tester with following structure is provided, it comprises frame, motor, gear train and torsion spring fixture, described motor and torsion spring fixture all are fixed on frame, and motor and torsion spring fixture lay respectively at the two ends of frame upper surface, described gear train is connected with the output shaft of motor, described frame lower is provided with control box, described motor is connected with control box, described torsion spring fixture comprises sliding panel and at least one fixed head, described fixed head vertically is fixed on the frame upper surface, and the plane of fixed head is vertical with the axis of motor output shaft, the plane of described fixed head is provided with chute, described sliding panel is connected with gear train, and the plane of sliding panel is vertical with the plane of fixed head, one side of the nearly fixed head of described sliding panel is provided with at least one driving lever, the middle part of described driving lever is slidably connected in chute, the fixed head plane of described driving lever free end top is provided with and driving lever gag lever post one to one, under the upper limit bar of described fixed head plane, the position is provided with the loop bar for the socket torsion spring, described chute is between gag lever post and loop bar, and the length that the distance between gag lever post and loop bar twists leg less than torsion spring.
After adopting above structure, compared with prior art, the utility model is due to the torture test of being undertaken by the combination of sliding panel and driving lever torsion spring, all structures of pure machinery, structure is simpler, and whole parts are less, and the stability when using is also better, and be easy to assembling, and reduce preparation cost; Simultaneously do not need the workman that power manually is provided, torsion spring duty under the nearly practical service environment of experimental data follow-up post that draws, and can place simultaneously at least one torsion spring and carry out torture test in the torsion spring fixture, improved the efficient of single test, and then can carry out torture test to more torsion spring in the identical unit interval, thereby accelerate the production process of torsion spring, reduce experimentation cost.Therefore the utlity model has structure simpler, parts are less, and stability is better, and the test figure that draws is closing to reality operating position and the higher characteristics of test efficiency more.
As improvement, described fixed head is two, and be set in parallel in the upper surface of frame, described sliding panel is between two fixed heads, and the side of nearly another fixed head of sliding panel also is provided with at least one driving lever, described two fixed heads are symmetrical along the center line of sliding panel, after being provided with the fixed head of two symmetries, make sliding panel when work, both sides stressed more even, the stability of sliding is better, and also can test simultaneously more torsion spring, further improves test efficiency of the present utility model and stability in use.
as further improvement, described gear train comprises flywheel, cam, connecting rod and sliding axle, described flywheel one plane is fixedly connected with the output shaft of motor, and the output shaft axis of the axis of flywheel and motor is on same straight line, described cam is racetrack, one end of cam is bolted on flywheel another plane, and the point of fixity of cam and flywheel is positioned on the eccentric position of flywheel, described cam is provided with the stepped hole of arc, one end of the described cam other end and connecting rod is rotationally connected, described stepped hole is between cam and flywheel junction and cam and connecting rod junction, be provided with adjusting bolt in described stepped hole, the afterbody of described adjusting bolt is arranged in stepped hole, another plane of the head of adjusting bolt and flywheel is spirally connected, one end of the other end of described connecting rod and sliding axle is hinged, the other end of described sliding axle is fixedly connected with sliding panel, the gear train of this structure does not use gear drive, rely on the effect of cam and connecting rod fully, structure is simpler, stability in use is better, and by unclamping adjusting bolt and coupling bolt, but the distance between adjustment cam and connecting rod junction and flywheel center, thereby make the amplitude that sliding panel swings also change thereupon, and then realize purpose that torsion spring is carried out the torture test of different big or small pivot angles, therefore usable range of the present utility model is wider, can be used for the torture test of different pivot angles.
As further improving again, the frame upper surface of described sliding axle below is provided with the guiding mechanism of sliding axle, after guiding mechanism arranges, directivity when making sliding axle slide is better, more be not prone to the situation of rocking, and then guarantee the stability that sliding panel swings, to obtain test figure more accurate thereby make.
As preferably, described guiding mechanism comprises the pedestal that is fixed on frame and is fixed at least one linear bearing of pedestal upper surface, and the middle part of described sliding axle is slidably connected in linear bearing.
Description of drawings
Fig. 1 is the structural representation of the utility model torsional spring fatigue tester.
Fig. 2 is the front view of the utility model torsional spring fatigue tester.
Fig. 3 is the vertical view of the utility model torsional spring fatigue tester.
As shown in the figure: 1, frame, 2, motor, 3, gear train, 4, the torsion spring fixture, 5, control box, 6, sliding panel, 7, fixed head, 8, chute, 9, driving lever, 10, gag lever post, 11, loop bar, 12, flywheel, 13, cam, 14, connecting rod, 15, sliding axle, 16, stepped hole, 17, adjusting bolt, 18, guiding mechanism, 19, pedestal, 20, linear bearing.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
as Fig. 1, Fig. 2 and a kind of torsional spring fatigue tester shown in Figure 3, it comprises frame 1, motor 2, gear train 3 and torsion spring fixture 4, described motor 2 and torsion spring fixture 4 all are fixed on frame 1, and motor 2 and torsion spring fixture 4 lay respectively at the two ends of frame 1 upper surface, described gear train 3 is connected with the output shaft of motor 2, described frame 1 bottom is provided with control box 5, described motor 2 is connected with control box 5, described torsion spring fixture 4 comprises that sliding panel 6 and at least one this example of fixed head 7(are two, also can be one, three, four or five etc.), described fixed head 7 vertically is fixed on frame 1 upper surface, and the plane of fixed head 7 is vertical with the axis of motor 2 output shafts, the plane of described fixed head 7 is provided with chute 8, described sliding panel 6 is connected with gear train 3, and the plane of sliding panel 6 is vertical with the plane of fixed head 7, it is two that one side of described sliding panel 6 nearly fixed heads 7 is provided with at least one this example of driving lever 9(, also can be one, three, four or five etc.), the middle part of described driving lever 9 is slidably connected in chute 8, fixed head 7 planes of described driving lever 9 free ends tops are provided with and driving lever 9 gag lever post 10 one to one, under described fixed head 7 plane upper limit bars 10, the position is provided with the loop bar 11 for the socket torsion spring, described chute 8 is between gag lever post 10 and loop bar 11, and the length that the distance between gag lever post 10 and loop bar 11 twists leg less than torsion spring.
Described fixed head 7 is two, and be set in parallel in the upper surface of frame 1, described sliding panel 6 is between two fixed heads 7, and the side of sliding panel 6 nearly another fixed heads 7 also is provided with at least one driving lever 9, and described two fixed heads 7 are symmetrical along the center line of sliding panel 6.
described gear train 3 comprises flywheel 12, cam 13, connecting rod 14 and sliding axle 15, described flywheel 12 1 planes are fixedly connected with the output shaft of motor 2, and the output shaft axis of the axis of flywheel 12 and motor 2 is on same straight line, described cam 13 is racetrack, one end of cam 13 is bolted on flywheel 12 another planes, and cam 13 is positioned on the eccentric position of flywheel 12 with the point of fixity of flywheel 12, described cam 13 is provided with the stepped hole 16 of arc, the center of circle of stepped hole 16 correspondences of arc is with the center superposition of an end of cam 13 and flywheel 12 junctions, one end of described cam 13 other ends and connecting rod 14 is rotationally connected, described stepped hole 16 is between cam 13 and flywheel 12 junctions and cam 13 and connecting rod 14 junctions, be provided with adjusting bolt 17 in described stepped hole 16, the afterbody of described adjusting bolt 17 is arranged in stepped hole 16, the head of adjusting bolt 17 and flywheel 12 another planes are spirally connected, one end of the other end of described connecting rod 14 and sliding axle 15 is hinged, the other end of described sliding axle 15 is fixedly connected with sliding panel 6.
Described guiding mechanism 18 comprises the pedestal 19 that is fixed on frame 1 and at least one linear bearing 20 that is fixed on pedestal 19 upper surfaces, and the middle part of described sliding axle 15 is slidably connected in linear bearing 20.
During use, first required according to requirement of experiment pivot angle size is adjusted to correct position by the coupling bolt on adjusting bolt 17 and cam 13 with cam 13; Subsequently torsion spring set is connected on corresponding loop bar 11, will guarantees that simultaneously each self-corresponding driving lever 9 of each torsion spring and gag lever post 10 are between two pin of torsion spring; Then can carry out torture test by the switch opens on control box 5.
Above embodiment is only preferred embodiment of the present utility model, and the utility model is not limited only to above embodiment and has also allowed other structural change, allly changes in the utility model rights to independence claimed range, all belongs to the utility model protection domain.
Claims (5)
1. torsional spring fatigue tester, it comprises frame (1), motor (2), gear train (3) and torsion spring fixture (4), described motor (2) and torsion spring fixture (4) all are fixed on frame (1), and motor (2) and torsion spring fixture (4) lay respectively at the two ends of frame (1) upper surface, described gear train (3) is connected with the output shaft of motor (2), described frame (1) bottom is provided with control box (5), described motor (2) is connected with control box (5), it is characterized in that: described torsion spring fixture (4) comprises sliding panel (6) and at least one fixed head (7), described fixed head (7) vertically is fixed on frame (1) upper surface, and the plane of fixed head (7) is vertical with the axis of motor (2) output shaft, the plane of described fixed head (7) is provided with chute (8), described sliding panel (6) is connected with gear train (3), and the plane of sliding panel (6) is vertical with the plane of fixed head (7), one side of the nearly fixed head (7) of described sliding panel (6) is provided with at least one driving lever (9), the middle part of described driving lever (9) is slidably connected in chute (8), fixed head (7) plane of described driving lever (9) free end top is provided with and driving lever (9) gag lever post (10) one to one, under described fixed head (7) plane upper limit bar (10), the position is provided with the loop bar (11) for the socket torsion spring, described chute (8) is positioned between gag lever post (10) and loop bar (11), and the length that the distance between gag lever post (10) and loop bar (11) twists leg less than torsion spring.
2. torsional spring fatigue tester according to claim 1, it is characterized in that: described fixed head (7) is two, and be set in parallel in the upper surface of frame (1), described sliding panel (6) is positioned between two fixed heads (7), and sliding panel (6) the closely side of another fixed head (7) also is provided with at least one driving lever (9), and described two fixed heads (7) are symmetrical along the center line of sliding panel (6).
3. torsional spring fatigue tester according to claim 1, it is characterized in that: described gear train (3) comprises flywheel (12), cam (13), connecting rod (14) and sliding axle (15), described flywheel (12) one planes are fixedly connected with the output shaft of motor (2), and the output shaft axis of the axis of flywheel (12) and motor (2) is on same straight line, described cam (13) is racetrack, one end of cam (13) is bolted on flywheel (12) another plane, and cam (13) is positioned on the eccentric position of flywheel (12) with the point of fixity of flywheel (12), described cam (13) is provided with the stepped hole (16) of arc, one end of described cam (13) other end and connecting rod (14) is rotationally connected, described stepped hole (16) is positioned between cam (13) and flywheel (12) junction and cam (13) and connecting rod (14) junction, be provided with adjusting bolt (17) in described stepped hole (16), the afterbody of described adjusting bolt (17) is arranged in stepped hole (16), the head of adjusting bolt (17) and flywheel (12) another plane are spirally connected, one end of the other end of described connecting rod (14) and sliding axle (15) is hinged, the other end of described sliding axle (15) is fixedly connected with sliding panel (6).
4. torsional spring fatigue tester according to claim 3 is characterized in that: frame (1) upper surface of described sliding axle (15) below is provided with the guiding mechanism (18) of sliding axle (15).
5. torsional spring fatigue tester according to claim 4, it is characterized in that: described guiding mechanism (18) comprises the pedestal (19) that is fixed on frame (1) and is fixed at least one linear bearing (20) of pedestal (19) upper surface, and the middle part of described sliding axle (15) is slidably connected in linear bearing (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320015980 CN202994565U (en) | 2013-01-11 | 2013-01-11 | Torsion spring fatigue testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320015980 CN202994565U (en) | 2013-01-11 | 2013-01-11 | Torsion spring fatigue testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202994565U true CN202994565U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320015980 Withdrawn - After Issue CN202994565U (en) | 2013-01-11 | 2013-01-11 | Torsion spring fatigue testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202994565U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091158A (en) * | 2013-01-11 | 2013-05-08 | 宁波永信汽车部件制造有限公司 | Fatigue testing machine for torsion spring |
| CN104155193A (en) * | 2014-08-14 | 2014-11-19 | 浙江巨人控股有限公司 | Testing apparatus for main shaft of elevator |
| CN105954129A (en) * | 2016-07-04 | 2016-09-21 | 湖南瀚德微创医疗科技有限公司 | Fatigue performance testing device for laparoscopic surgical forceps |
-
2013
- 2013-01-11 CN CN 201320015980 patent/CN202994565U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091158A (en) * | 2013-01-11 | 2013-05-08 | 宁波永信汽车部件制造有限公司 | Fatigue testing machine for torsion spring |
| CN104155193A (en) * | 2014-08-14 | 2014-11-19 | 浙江巨人控股有限公司 | Testing apparatus for main shaft of elevator |
| CN105954129A (en) * | 2016-07-04 | 2016-09-21 | 湖南瀚德微创医疗科技有限公司 | Fatigue performance testing device for laparoscopic surgical forceps |
| CN105954129B (en) * | 2016-07-04 | 2018-11-20 | 湖南瀚德微创医疗科技有限公司 | A kind of fatigue property test device of surgical forceps for abdominoscope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20141203 |
|
| RGAV | Abandon patent right to avoid regrant |