CN202903477U - Novel fatigue test machine of directionally rotary flat volute spiral spring - Google Patents
Novel fatigue test machine of directionally rotary flat volute spiral spring Download PDFInfo
- Publication number
- CN202903477U CN202903477U CN 201220669297 CN201220669297U CN202903477U CN 202903477 U CN202903477 U CN 202903477U CN 201220669297 CN201220669297 CN 201220669297 CN 201220669297 U CN201220669297 U CN 201220669297U CN 202903477 U CN202903477 U CN 202903477U
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- China
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- eccentric disc
- mandrel
- connecting rod
- swing arm
- gear set
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Abstract
A novel fatigue test machine of a directionally rotary flat spiral spring comprises a motor, a transmission mechanism, tooling, a fracture detection probe and a counting probe, wherein an eccentric disc of the transmission mechanism is driven by the motor; one end of a connecting rod is movably connected to the eccentric disc, while the other end of the connecting rod is movably connected with a swing arm; the rotating center of the swing arm is connected to an input shaft of a gear set; a spindle of the tooling is connected with an output shaft of the gear set; and the fracture detection probe is arranged at a position corresponding to the tooling, and the counting probe is arranged at a position corresponding to the transmission mechanism. The testing machine is simply and reasonably structured, and the motor rotates directionally; and the test machine is good in rigidity, firm and durable in use, stable in operation, accurate in data and long in service life.
Description
Technical field
The utility model belongs to testing equipment, specifically a kind of novel fatigue tester that surely turns plane scroll spring.
Background technology
Development along with mechanical technique; life-span to various mechanical component has all proposed strict requirement; after scroll spring is made according to design; need it is carried out torture test; and present fatigue tester lacks automatic protection; can not auto stop after the detection piece fracture, complex structure, bulky, the life-span short, the counting is inaccurate.
The utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition be overcome existing fatigue tester lack automatic protection, complex structure, bulky, the life-span short, count inaccurate defective, and a kind of novel fatigue tester that surely turns plane scroll spring is provided.
For solving the technical matters of above-mentioned proposition, the technical solution adopted in the utility model is: a kind of novel fatigue tester that surely turns plane scroll spring, comprise motor, gear train, frock, the fracture detection probe, the counting probe, it is characterized in that: described gear train comprises eccentric disc, connecting rod, swing arm, gear set, described eccentric disc is by described motor-driven, one end of described connecting rod is movably connected in the position of departing from the eccentric disc rotation center on the described eccentric disc, the other end of described connecting rod is movably connected in the position of departing from the swing arm rotation center in the described swing arm, and the rotation center of described swing arm is connected on the input shaft of described gear set; Described frock comprises rotating mandrel and is positioned at described mandrel pivot pin on one side that described mandrel is connected with the output shaft of described gear set; Described fracture detection probe is located at the position of corresponding described frock, described counting probe is arranged on the position of corresponding described gear train, the position of departing from the eccentric disc rotation center on the described eccentric disc is provided with can be by the slide block of adjusting screw(rod) adjusting position, described slide block is provided with bearing pin, one end of described connecting rod is movably connected on this bearing pin, described frock also comprises base plate, adjustment disk, protective cover, described adjustment disk adjustable ground is fastenedly connected on described base plate, the centre of described adjustment disk has the accommodation section of corresponding described mandrel and pivot pin, described pivot pin is fixed on the described adjustment disk, and described protective cover is connected to the upper end of described adjustment disk and described accommodation section is covered.
As the optimization technique measure of technique scheme, described counting probe is located at one side of described eccentric disc and points to described connecting rod.
Further, the corresponding described pivot pin setting of described fracture detection probe, corresponding described pivot pin and fracture detection probe are offered through hole on the described protective cover.
Described mandrel is connected with the output shaft of described gear set by mandrel seat.Be convenient to thus change different mandrels according to different detection pieces.
The beneficial effects of the utility model are: in view of described gear train, surely turn so that motor is a direction, start disposable electric current and can not produce impact such as heating grade to motor when bigger than normal, thus long service life; Motor can slow down to increase the output torque by gear train; Utilize the Protection Product that act as of protective cover that absolute security is arranged when the motion process Fracture from the design of frock; Considered the adjustment of setting angle during the Fixture Design of this machine, thus easy to adjust, and it is just passable to have regulated operation angle in the process of eccentric adjustment dish.This machine is simple and reasonable for structure, good rigidly, and firm and durable, reliable, data are accurate, spring breakage is installed simultaneously to device that can auto stop, do not need artificial nurse.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the assembling synoptic diagram of frock shown in Figure 1.
Fig. 3 is the structural representation of mandrel of the present utility model.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the structural representation of adjustment disk of the present utility model.
Fig. 6 is the vertical view of Fig. 5.
Symbol description among the figure: the 1-motor, the 2-gear train, the 3-frock, the 4-detection probe that ruptures, 5-counts probe, the 6-eccentric disc, 7-connecting rod, 8-swing arm, 9-gear set, 10-input shaft, the 11-mandrel, 12-pivot pin, 13-output shaft, 14-adjusting screw(rod), the 15-slide block, 16-bearing pin, 17-base plate, 18-adjustment disk, the 19-protective cover, 20-adjustment hole, 21-bolt, 22-accommodation section, the 23-mandrel seat, 24-flange, 25-draw-in groove, 26-plane scroll spring.
Embodiment
Below in conjunction with Figure of description the utility model is described further.
As shown in Figure 1, surely the novel fatigue tester that turns plane scroll spring of the present utility model comprises motor 1, gear train 2, frock 3, fracture detection probe 4, counting probe 5, gear train 2 comprises eccentric disc 6, connecting rod 7, swing arm 8, gear set 9, eccentric disc 6 is driven by motor 1, one end of connecting rod 7 is movably connected in the position of departing from the eccentric disc rotation center on the eccentric disc 6, the other end of connecting rod 7 is movably connected in the position of departing from the swing arm rotation center in the swing arm 8, and the rotation center of swing arm 8 is connected on the input shaft 10 of gear set 9; Frock 3 comprises rotating mandrel 11 and is positioned at mandrel 11 pivot pin 12 on one side that mandrel 11 is connected with the output shaft 13 of gear set 9; Fracture detection probe 4 is located at the position of corresponding frock 3, and counting probe 5 is arranged on the position of corresponding gear train 2.So, motor 1 rotates with eccentric disc 6 and rotates, swing by connecting rod 7 pulling forks 8, the wobbling action of fork 8 further passes to gear set 9 and passes to mandrel 11 by output shaft 13 by input shaft 10, therefore, when being installed on the mandrel 11, the inner of detection piece plane scroll spring 26 (is used for installation and measuring part the inner as draw-in groove 25 is set at mandrel 11, referring to Fig. 3,4), the outer end is hooked on the pivot pin 12, can test, in 6 every one weeks of rotation of eccentric disc, detection piece is reversed once, by 5 count enables of counting probe once, when the detection piece fatigue break, can find out and make motor 1 stop operating by fracture detection probe 4.
Concrete, the position of departing from the eccentric disc rotation center on the eccentric disc 6 is provided with can be by the slide block 15 of adjusting screw(rod) 14 adjusting positions, slide block 15 is provided with bearing pin 16, one end of connecting rod 7 is movably connected on this bearing pin 16, different scroll springs is tested to adapt in order to regulate the rotational angle of mandrel by the position of adjusting slider.By the position of adjusting screw(rod) 14 adjusting sliders 15, can regulate the pendulum angle of mandrel 11.Further.Counting probe 5 is located at one side of eccentric disc 6 and points to connecting rod 7, is convenient to count.
Referring to Fig. 2, frock 3 also comprises base plate 17, adjustment disk 18, protective cover 19, adjustment disk 18 adjustable grounds are fastenedly connected on base plate 17 (referring to Fig. 5,6, as offer circular-arc adjustment hole 20 at adjustment disk 18, can rotate to realize when being connected on the base plate 17 by bolt 21 to regulate), the centre of adjustment disk 18 has the accommodation section 22 of corresponding mandrel 11 and pivot pin 12, pivot pin 12 is fixed on the adjustment disk 18, protective cover 19 is connected to the upper end of adjustment disk 18 and accommodation section 22 is covered, detection piece is positioned at the accommodation section and is covered by protective cover during test, so can not eject during the detection piece fracture and cause a hidden trouble.Detection piece plane scroll spring 26 can be carried out pretension by adjustment disk 18 and reach duty, and detection piece is arranged in accommodation section 22 and covered by protective cover 19, so can not eject during the detection piece fracture and form potential safety hazard.Further, fracture detection probe 4 corresponding pivot pins 12 arrange, and corresponding pivot pin 12 and fracture detection probe 4 are offered through hole on the protective cover 17.
What is more, mandrel 11 is connected with the output shaft 13 of gear set 9 by mandrel seat 23.Specifically can make output shaft 13 and mandrel seat 23 be connected by key, mandrel 11 is connected to (referring to Fig. 2,4) on the mandrel seat 23 by the flange 24 usefulness securing members with its close-fitting.
In view of above structure, this equipment has automatic counting, the fracture auto stop, and adjustable speed can be done disc spring, torsion spring fatigue.The equipment rigidity is large, power is large, easily repairs, and physical dimension is little, and it is easy to change frock.For the relatively high characteristics of the tired frequency of plane scroll spring.It utilizes the distance adjustment of eccentric disc to come the rotational angle of mandrel is regulated, thereby the plane scroll spring on the mandrel is rotatablely moved repeatedly, and angle is in accordance with regulations carried out the purpose of torture test.And this equipment can connect frequency of operation that frequency converter makes fatigue tester a larger range of adjustment (can between 12.5-125 time), can fit and read to turn round 10
7Do not produce any fault, and can change the torsion spring weariness working of frock appropriate change in the moment of torsion allowed band.
Claims (4)
1. novel fatigue tester that surely turns plane scroll spring, comprise motor (1), gear train (2), frock (3), fracture detection probe (4), counting probe (5), it is characterized in that: described gear train (2) comprises eccentric disc (6), connecting rod (7), swing arm (8), gear set (9), described eccentric disc (6) is driven by described motor (1), one end of described connecting rod (7) is movably connected in the position of departing from the eccentric disc rotation center on the described eccentric disc (6), the other end of described connecting rod (7) is movably connected in the position of departing from the swing arm rotation center in the described swing arm (8), and the rotation center of described swing arm (8) is connected on the input shaft (10) of described gear set (9); Described frock (3) comprises rotating mandrel (11) and is positioned at described mandrel (11) pivot pin (12) on one side that described mandrel (11) is connected with the output shaft (13) of described gear set (9); Described fracture detection probe (4) is located at the position of corresponding described frock (3), described counting probe (5) is arranged on the position of corresponding described gear train (2), the position of departing from the eccentric disc rotation center on the described eccentric disc (6) is provided with can be by the slide block (15) of adjusting screw(rod) (14) adjusting position, described slide block (15) is provided with bearing pin (16), one end of described connecting rod (7) is movably connected on this bearing pin (16), described frock (3) also comprises base plate (17), adjustment disk (18), protective cover (19), described adjustment disk (18) adjustable ground is fastenedly connected on described base plate (17), the centre of described adjustment disk (18) has the accommodation section (22) of corresponding described mandrel (11) and pivot pin (12), described pivot pin (12) is fixed on the described adjustment disk (18), and described protective cover (19) is connected to the upper end of described adjustment disk (18) and described accommodation section (22) are covered.
2. the novel fatigue tester that surely turns plane scroll spring according to claim 1 is characterized in that described counting probe (5) is located at one side of described eccentric disc (6) and points to described connecting rod (7).
3. the novel fatigue tester that surely turns plane scroll spring according to claim 1, it is characterized in that the corresponding described pivot pin of described fracture detection probe (4) (11) setting, the upper corresponding described pivot pin (12) of described protective cover (19) and fracture detection probe (4) are offered through hole.
4. according to claim 1 or the 3 described novel fatigue testers that surely turn plane scroll spring, it is characterized in that described mandrel (11) is connected with the output shaft (13) of described gear set (9) by mandrel seat (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220669297 CN202903477U (en) | 2012-12-03 | 2012-12-03 | Novel fatigue test machine of directionally rotary flat volute spiral spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220669297 CN202903477U (en) | 2012-12-03 | 2012-12-03 | Novel fatigue test machine of directionally rotary flat volute spiral spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202903477U true CN202903477U (en) | 2013-04-24 |
Family
ID=48124135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220669297 Expired - Lifetime CN202903477U (en) | 2012-12-03 | 2012-12-03 | Novel fatigue test machine of directionally rotary flat volute spiral spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202903477U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353394A (en) * | 2013-07-17 | 2013-10-16 | 韵升控股集团有限公司 | Plane scroll spring life test machine |
| CN110873643A (en) * | 2019-11-19 | 2020-03-10 | 北京航空航天大学 | Accelerated storage life test system for planar spiral spring |
-
2012
- 2012-12-03 CN CN 201220669297 patent/CN202903477U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353394A (en) * | 2013-07-17 | 2013-10-16 | 韵升控股集团有限公司 | Plane scroll spring life test machine |
| CN103353394B (en) * | 2013-07-17 | 2016-01-13 | 宁波韵升弹性元件有限公司 | Plane scroll spring life testing machine |
| CN110873643A (en) * | 2019-11-19 | 2020-03-10 | 北京航空航天大学 | Accelerated storage life test system for planar spiral spring |
| CN110873643B (en) * | 2019-11-19 | 2021-05-25 | 北京航空航天大学 | Accelerated storage life test system for planar spiral spring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |