CN204479279U - A kind of fatigue test device of plane spring - Google Patents
A kind of fatigue test device of plane spring Download PDFInfo
- Publication number
- CN204479279U CN204479279U CN201520031737.XU CN201520031737U CN204479279U CN 204479279 U CN204479279 U CN 204479279U CN 201520031737 U CN201520031737 U CN 201520031737U CN 204479279 U CN204479279 U CN 204479279U
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- Prior art keywords
- permanent magnet
- piston
- plane spring
- test device
- fatigue test
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Abstract
The utility model discloses a kind of fatigue test device of plane spring, comprise board, described board comprises support, driving mechanism and AC power, described plane spring to be tested is located on described support, described driving mechanism comprises electromagnetic mechanism, piston and piston rod, described electromagnetic mechanism is connected with described AC power, described AC power drives described electromagnetic mechanism to produce magnetic field, described piston is provided with permanent magnet, described piston is placed in described magnetic field, piston to-and-fro movement in described magnetic field described in described field drives, the two ends of described piston rod are connected with plane spring with described piston respectively, described reciprocating piston drives described plane spring to vibrate by described piston rod.The technical solution of the utility model structure is simple, reasonable in design, be easy to manufacture, and can carry out the testing fatigue of many vibration number of plane spring fast.
Description
Technical field
The utility model belongs to mechanical test technical field, relates to a kind of fatigue test device of the plane spring be applicable in Stirling motor.
Background technology
Plane spring in Stirling motor needs the vibration doing several hundred million times every year on average in its course of work, and the plane spring in therefore qualified Stirling motor need have higher intensity.And in prior art, lack the fatigue test device of the more vibration number test for plane spring.
Patent CN104089763A discloses a kind of spring fatigue test device, it comprises pressure transducer, control panel, supporter, the gear train that cam and driving cam rotate and at least one spring clamping device, spring clamping device comprises auxiliary follow up piston assembly and base assembly, auxiliary follow up piston assembly is sliding to be fitted on supporter, one end of auxiliary follow up piston assembly contacts with cam activation and promotes auxiliary follow up piston assembly when rotating with convenient cam and move relative to supporter, detected spring fitting is between the other end and base assembly of auxiliary follow up piston assembly, pressure transducer is arranged on base assembly so that the pressure of the detected spring of induction, the signal output part of pressure transducer is connected with the signal input part of control panel by signal output end, the signal output part of control panel is connected with transmission mechanism control to control the start and stop of gear train according to the pressure signal of pressure transducer.This utility model can not only be monitored and the situation feeding back detected spring in real time, and fully achieves the robotization of test process, and detected spring is dismantled and installs more convenient, reduces labour intensity.But this patent is not suitable for the testing fatigue of the plane spring in Stirling motor.
Utility model content
In view of this, the utility model provides a kind of fatigue test device of plane spring.
For achieving the above object, concrete technical scheme is as follows:
A kind of fatigue test device of plane spring, comprise board, described board comprises support, driving mechanism and AC power, described plane spring to be tested is located on described support, described driving mechanism comprises electromagnetic mechanism, piston and piston rod, described electromagnetic mechanism is connected with described AC power, described AC power drives described electromagnetic mechanism to produce magnetic field, described piston is provided with permanent magnet, described piston is placed in described magnetic field, piston to-and-fro movement in described magnetic field described in described field drives, the two ends of described piston rod are connected with plane spring with described piston respectively, described reciprocating piston drives described plane spring to vibrate by described piston rod.
Preferably, described electromagnetic mechanism comprises the external stator arranged in the form of a ring be made up of permeability magnetic material, is provided with inductive coil in described external stator.
Preferably, described electromagnetic mechanism also comprises the inner stator arranged in the form of a ring be made up of permeability magnetic material, and described piston bush is located on described inner stator, and described piston is along to-and-fro movement on described inner stator.
Preferably, described piston comprises the tank body of tubular and is located at the permanent magnet arranged in the form of a ring of circumference of described tank body, and described permanent magnet is less than the length of described external stator and inner stator along the length of the axis of described tank body.
Preferably, described permanent magnet comprises the first permanent magnet and second permanent magnet of the excircle being located at described tank body, and described first permanent magnet and the second permanent magnet arrange along the axis of described tank body.
Preferably, the polarity of described first permanent magnet be connected with described tank body and the side of the second permanent magnet is contrary.
Preferably, described second permanent magnet comprises the assembly that two lay respectively at described first permanent magnet both sides.
Preferably, the length of the axis along described tank body of the assembly of described second permanent magnet is 1/8 ~ 1/4 of the length of described first permanent magnet.
Preferably, the controller that the described AC power of control generates the voltage needed for testing and frequency is also comprised.
Preferably, also comprise the counter calculating vibration frequency, described counter is connected with described plane spring.
Relative to prior art, the advantage of the technical solution of the utility model has:
1, vibration frequency is controlled, only needs mounting plane spring to test, tests simple and efficient;
2, be applicable to the test of different frequency, the higher test of frequency can be carried out, and can accelerated deterioration test be carried out;
3, stable testing, counting accurately, can improve accurate test data;
4, structure is simple, reasonable in design, be easy to manufacture, and can carry out the testing fatigue of many vibration number of plane spring fast.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of embodiment of the present utility model;
Fig. 2 is the structural representation of embodiment permanent magnet of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below with reference to accompanying drawing, concrete explaination is done to embodiment of the present utility model.
The fatigue test device of a kind of plane spring of embodiment of the present utility model as shown in Figure 1, comprises board 1, and board 1 comprises support 2, driving mechanism and AC power 3.Plane spring 4 to be tested is located on support 2.
Driving mechanism comprises electromagnetic mechanism, piston 5 and piston rod 6.Electromagnetic mechanism is connected with AC power 3, and AC power 3 drives electromagnetic mechanism to produce magnetic field.Piston 5 is provided with permanent magnet, and piston 5 is placed in magnetic field, field drives piston 5 to-and-fro movement in magnetic field.The two ends of piston rod 6 are connected with plane spring 4 with piston 5 respectively, and reciprocating piston 5 drives plane spring 4 to vibrate by piston rod 6.
Embodiment of the present utility model drives plane spring to vibrate by the piston of reciprocating vibration utilizing electromagnetic mechanism to drive, thus carries out testing fatigue.The present embodiment structure is simple, reasonable in design, be easy to manufacture, and can carry out the testing fatigue of many vibration number of plane spring fast.
In embodiment of the present utility model, because the electromagnetic mechanism in Stirling motor can driven plunger carry out of reciprocating vibration, therefore preferably the electromagnetic mechanism of Stirling motor and piston as driving mechanism.
As shown in fig. 1, in embodiment of the present utility model, preferred electromagnetic mechanism comprises the external stator 7 arranged in the form of a ring be made up of permeability magnetic material, is provided with the inductive coil 8 be connected with AC power 3 in external stator 7, thus produces magnetic field.
In addition, also preferred electromagnetic mechanism comprises the inner stator 9 arranged in the form of a ring be made up of permeability magnetic material, and piston 5 is sheathed on inner stator 9, and along of reciprocating vibration on inner stator 9.Add high-intensity magnetic field preferably by outer, the inner stator that interfix, and driven plunger 5 outside, carry out between inner stator of reciprocating vibration.And preferably the axis of piston 5, outer, inner stator is on the same line.
As shown in fig. 1, in embodiment of the present utility model, preferred piston 5 comprises the tank body of tubular and is located at the permanent magnet arranged in the form of a ring of circumference of tank body.The height of preferred external stator 7 is identical with the height of inner stator 9, is greater than permanent magnet height.
And preferably permanent magnet comprises the first permanent magnet 10 and the second permanent magnet 11 of the excircle being located at tank body.First permanent magnet 10 and the second permanent magnet 11 arrange along the axis of tank body, and the direction of vibration namely along piston 5 arranges.
As shown in Figures 1 and 2, in embodiment of the present utility model, preferably the shape of the first permanent magnet 10 ringwise, and the second permanent magnet 11 comprises 6 little magnetic shoes arranged in the form of a ring respectively by upper and lower two groups and forms.The polarity of the first permanent magnet 10 be connected with tank body and the side of the second permanent magnet 11 is contrary.
And preferably the second permanent magnet 11 comprises the assembly that two lay respectively at the first permanent magnet 10 both sides.As shown in fig. 1, the length of the axis along tank body of the assembly of the second permanent magnet 11 is 1/8 ~ 1/4 of the length of the first permanent magnet 10.The present embodiment is by being provided with the shorter opposite polarity permanent magnet of a length, when the first permanent magnet 10 that length is longer vibrates because of field drives, the assembly of the second permanent magnet 11 provides a rightabout power, thus be beneficial to the of reciprocating vibration of piston 5, formation vibration frequency is unrestricted, forever non-ageing magnetic spring.
In addition, in embodiment of the present utility model, preferably the assembly of the first permanent magnet 10 and the second permanent magnet 11 to connect formation ring-type by some arc components.And preferably permanent magnet is positioned at side or the bottom of piston 5 body.
In embodiment of the present utility model, control the frequency of electromagnetic mechanism driven plunger 5 vibration preferably by control AC power 3, thus the frequency of the testing fatigue of control plane spring 4.In the present embodiment, the frequency of preferred testing fatigue is 50Hz ~ 400Hz.And control AC power 3 preferably by controller, be used for generating the voltage needed for test and frequency, its frequency accuracy is high, stable, easily buy, can also significantly rise so that accelerated deterioration.
In addition, in embodiment of the present utility model, owing to providing the controlled and unrestricted vibratory drive mechanism of frequency of frequency, the present embodiment is applicable to the assembly that substantially all plane springs and plane spring are combined to form.When the present embodiment is tested, the excircle of preferred planar spring 4 is located on support 2, center is connected with piston rod 6, meanwhile, in the present embodiment, because the vibration frequency of driving mechanism is controlled, only plane spring 4 need be placed on support 2, and be connected can test with piston rod 6, regulate without the need to other, the present embodiment convenient test is quick, has saved setup cost.
In addition, as shown in fig. 1, in embodiment of the present utility model, also comprise the counter 12 calculating vibration frequency, counter 12 is connected with plane spring 4.Wherein, the vibration frequency involving vibrations number of times of calculating and the height of vibration.And preferably when vibrating highly against regulation, be not counted in vibration number.In addition, also preferred counter 12 is non-contacting sensor, is carried out the detection of plane spring 4 surface appearance change by laser etc., thus calculates vibration frequency.
As shown in fig. 1, in embodiment of the present utility model, because driving mechanism provides vibration, therefore himself can produce the vibrations of centre-of gravity shift, therefore, preferably the vibroshock 13 be connected with board 1 is also comprised, to heighten the stability of testing agency in the present embodiment.Certainly, in the present embodiment, vibroshock 13 can be placed in side or the bottom of board.
Be described in detail specific embodiment of the utility model above, but it is just as example, the utility model is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the utility model is carried out and substituting also all among category of the present utility model.Therefore, not departing from the equalization conversion and amendment done under spirit and scope of the present utility model, all should be encompassed in scope of the present utility model.
Claims (10)
1. the fatigue test device of a plane spring, it is characterized in that, comprise board, described board comprises support, driving mechanism and AC power, described plane spring to be tested is located on described support, described driving mechanism comprises electromagnetic mechanism, piston and piston rod, described electromagnetic mechanism is connected with described AC power, the magnetic field that described AC power drives described electromagnetic mechanism generation NS polarity to convert alternately, described piston is provided with permanent magnet, described piston is placed in described magnetic field, piston to-and-fro movement in described magnetic field described in described field drives, the two ends of described piston rod are connected with plane spring with described piston respectively, described reciprocating piston drives described plane spring to vibrate by described piston rod.
2. the fatigue test device of plane spring as claimed in claim 1, it is characterized in that, described electromagnetic mechanism comprises the external stator arranged in the form of a ring be made up of permeability magnetic material, is provided with inductive coil in described external stator.
3. the fatigue test device of plane spring as claimed in claim 2, it is characterized in that, described electromagnetic mechanism also comprises the inner stator arranged in the form of a ring be made up of permeability magnetic material, and described piston bush is located on described inner stator, and described piston is along to-and-fro movement on described inner stator.
4. the fatigue test device of plane spring as claimed in claim 3, it is characterized in that, described piston comprises the tank body of tubular and is located at the permanent magnet arranged in the form of a ring of circumference of described tank body, and described permanent magnet is less than the length of described external stator and inner stator along the length of the axis of described tank body.
5. the fatigue test device of plane spring as claimed in claim 4, it is characterized in that, described permanent magnet comprises the first permanent magnet and second permanent magnet of the excircle being located at described tank body, and described first permanent magnet and the second permanent magnet arrange along the axis of described tank body.
6. the fatigue test device of plane spring as claimed in claim 5, it is characterized in that, described first permanent magnet be connected with described tank body and the magnetic of the second permanent magnet are radial, and polarity is contrary.
7. the fatigue test device of plane spring as claimed in claim 6, it is characterized in that, described second permanent magnet comprises the assembly that two lay respectively at described first permanent magnet both sides.
8. the fatigue test device of plane spring as claimed in claim 7, it is characterized in that, the length of the axis along described tank body of the assembly of described second permanent magnet is 1/8 ~ 1/4 of the length of described first permanent magnet.
9. the fatigue test device of plane spring as claimed in claim 1, is characterized in that, also comprises and controls the controller that described AC power generates the voltage needed for testing and frequency.
10. the fatigue test device of plane spring as claimed in claim 1, is characterized in that, also comprise the counter calculating vibration frequency, described counter is connected with described plane spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520031737.XU CN204479279U (en) | 2015-01-16 | 2015-01-16 | A kind of fatigue test device of plane spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520031737.XU CN204479279U (en) | 2015-01-16 | 2015-01-16 | A kind of fatigue test device of plane spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204479279U true CN204479279U (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520031737.XU Withdrawn - After Issue CN204479279U (en) | 2015-01-16 | 2015-01-16 | A kind of fatigue test device of plane spring |
Country Status (1)
| Country | Link |
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| CN (1) | CN204479279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596751A (en) * | 2015-01-16 | 2015-05-06 | 宁波华斯特林电机制造有限公司 | Fatigue test device of plane spring |
-
2015
- 2015-01-16 CN CN201520031737.XU patent/CN204479279U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596751A (en) * | 2015-01-16 | 2015-05-06 | 宁波华斯特林电机制造有限公司 | Fatigue test device of plane spring |
| CN104596751B (en) * | 2015-01-16 | 2017-09-26 | 宁波华斯特林电机制造有限公司 | A kind of fatigue test device of plane spring |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150715 Effective date of abandoning: 20170926 |