CN204594803U - A kind of stress relaxation measurement mechanism turning round pressure coupling spring - Google Patents
A kind of stress relaxation measurement mechanism turning round pressure coupling spring Download PDFInfo
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- CN204594803U CN204594803U CN201520239867.2U CN201520239867U CN204594803U CN 204594803 U CN204594803 U CN 204594803U CN 201520239867 U CN201520239867 U CN 201520239867U CN 204594803 U CN204594803 U CN 204594803U
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Abstract
The utility model provides a kind of stress relaxation measurement mechanism turning round pressure coupling spring, comprises the torsion sensor (2) be coaxially arranged in grooved mounting seat (1), moment of torsion transfer block (3), locating piece (4), coupling sleeve (5), compression transfer block (6), pressure transducer (7), moving slider (8) and dog screw (9) and coaxially arranges.Advantageous Effects of the present utility model is: (1) realizes turning round pressure coupling spring simultaneously and tests in the stress relaxation of compression direction and torsional direction; (2) testing efficiency and measuring accuracy high; (3) sensor is replaceable, can meet the test of different magnitude, have versatility.
Description
Technical field
The utility model belongs to space product accelerated storage and Life Assessment Technology field, is specifically related to a kind of stress relaxation measurement mechanism turning round pressure coupling spring.
Background technology
Turning round pressure coupling spring is a kind of conventional flexible members of space missile armament systems, this type of flexible member has mechanical seal, vibration damping, vibration isolation usually, there is provided or the function such as storage of potential energy, lost efficacy once these flexible members produce stress relaxation at its lay up period, to directly affect the emitting performance of missile armament, cause guided missile can not normal flight.Therefore the storage life turning round the stress relaxation ability missile weapon system of pressure coupling spring has material impact, needs accurate test to turn round the stress relaxation ability decline trend of pressure coupling spring, and then assesses the storage life turning round pressure coupling spring.
The stress relaxation test turning round pressure coupling spring is at present all the test first carrying out compression direction, and then carries out the test of torsional direction, test while also not having a kind of general proving installation simultaneously can realize compression and torsional direction.Owing to turning round the pressure using function feature of coupling spring and the singularity of structure thereof, reverse and the compression existence effect of intercoupling, carry out separately compressing or the stress relaxation test of torsional direction can affect it and reversing or the performance of compression direction, therefore in its use procedure, both need test compression stress relaxation ability, test its distorting stress relaxation property again simultaneously, just can guarantee its accuracy of testing.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of stress relaxation measurement mechanism turning round pressure coupling spring is provided, this measurement mechanism is made can effectively to avoid compressing influencing each other of twisted coupling effect, monitor while meeting torque relaxation characteristic and compressive load relaxation property, can overcome and first carry out compression direction and test the funds waste and cycle delay that the test of carrying out torsional direction again brings, improve testing efficiency and measuring accuracy, the storage life turning round pressure coupling spring can be assessed accurately.
To achieve these goals, technical solutions of the utility model are: a kind of stress relaxation measurement mechanism turning round pressure coupling spring, comprising: grooved mounting seat, torsion sensor, moment of torsion transfer block, locating piece, coupling sleeve, compression transfer block, pressure transducer, moving slider and dog screw; Wherein, grooved mounting seat, as pedestal, is the structure of two ends riser, mid-plane; The right-hand member riser of grooved mounting seat has the through hole for installing torsion sensor, and left end riser has the threaded hole for installing dog screw; Dog screw is arranged on the left end of grooved mounting seat; Torsion sensor is fixed on inside the right-hand member riser of grooved mounting seat by 4 screws, and the other end of torsion sensor is connected by screw fastening with moment of torsion transfer block; Turn round pressure coupling spring to be enclosed within the major axis in moment of torsion transfer block, and the right-hand member turning handle turning round pressure coupling spring injects on the pilot hole in moment of torsion transfer block, left end turning handle injects in the pilot hole on locating piece; Be processed into through-hole form in the middle of locating piece to be enclosed within the major axis of moment of torsion transfer block, and can around the major axis 360 ° rotation of moment of torsion transfer block; The left end of locating piece closely engages with the right-hand member of coupling sleeve, and coupling sleeve is inner needs the angle reversed to be processed into the groove of respective angles according to when turning round pressure coupling spring real work; The left end of coupling sleeve and pressure transducer compress transfer block by one and are fastenedly connected; Pressure transducer is fixed on the right side of moving slider by 4 trip bolts; The left side of moving slider is contacted by dog screw; Torsion sensor, moment of torsion transfer block, locating piece, coupling sleeve, compression transfer block, pressure transducer, moving slider and dog screw are coaxially arranged.
Described grooved mounting seat adopts stainless steel to process.
The metal material of described miscellaneous part except grooved mounting seat, pressure transducer and torsion sensor is high strength titanium alloy.
Advantageous Effects of the present invention is: (1) realizes turning round pressure coupling spring simultaneously and tests in the stress relaxation of compression direction and torsional direction; (2) testing efficiency and measuring accuracy high; (3) sensor is replaceable, can meet the test of different magnitude, have versatility.
Accompanying drawing explanation
Fig. 1 is vertical view of the present utility model.
Fig. 2 is front elevation of the present utility model.
Fig. 3 is side view of the present utility model.
Fig. 4 is schematic perspective view of the present utility model.
In figure, 1 for grooved mounting seat, 2 for torsion sensor, 3 for moment of torsion transfer block, 4 for locating piece, 5 for coupling sleeve, 6 for compression transfer block, 7 for pressure transducer, 8 for moving slider, 9 for dog screw, 10 for turning round pressure coupling spring.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
The present embodiment as shown in figures 1-4, comprising: grooved mounting seat 1, torsion sensor 2, moment of torsion transfer block 3, locating piece 4, coupling sleeve 5, compression transfer block 6, pressure transducer 7, moving slider 8 and dog screw 9; Wherein, grooved mounting seat 1, as pedestal, is the structure of two ends riser, mid-plane, and guarantee vertical plates on both sides can bear enough pressure; The right-hand member riser of grooved mounting seat 1 has the through hole for installing torsion sensor 2, and left end riser has the threaded hole for installing dog screw 9; Dog screw 9 is arranged on the left end of grooved mounting seat 1, accurately locates to guarantee that package unit will be turned round after pressure coupling spring 10 is compressed to certain length; Torsion sensor 2 is fixed on inside the right-hand member riser of grooved mounting seat 1 by 4 screws, and the other end of torsion sensor 2 is connected by screw fastening with moment of torsion transfer block 3; Turn round pressure coupling spring 10 to be enclosed within the major axis in moment of torsion transfer block 3, and the right-hand member turning handle turning round pressure coupling spring 10 injects on the pilot hole in moment of torsion transfer block 3, left end turning handle injects in the pilot hole on locating piece 4; Be processed into through-hole form in the middle of locating piece 4 to be enclosed within the major axis of moment of torsion transfer block 3, and can around the major axis 360 ° rotation of moment of torsion transfer block 3; The left end of locating piece 4 closely engages with the right-hand member of coupling sleeve 5, and coupling sleeve 5 inside needs the angle reversed to be processed into the groove of respective angles according to when turning round pressure coupling spring 10 real work; The left end of coupling sleeve 5 and pressure transducer 7 compress transfer block 6 by one and are fastenedly connected, and compression transfer block 6 has screw thread can be threaded connection on pressure transducer 7; Pressure transducer 7 is fixed on the right side of moving slider 8 by 4 trip bolts; The left side of moving slider 8 is contacted by dog screw 9.During use, moving slider 8 and pressure transducer 7 entirety are placed on the position of mounting seat left side, confirm that moving slider 8 and pressure transducer 7 entirety can be free to slide along mounting seat horizontal direction, the left side of moving slider 8 is contacted by dog screw 9.For realizing the stress relaxation test turning round pressure coupling spring 10 of different size model, pressure transducer 7 and the torsion sensor 2 of different range can be chosen according to the pressure and moment of torsion turning round pressure coupling spring 10.When testing, pressure transducer 7 and torsion sensor 2 will connect Displaying Meter, real-time monitoring can turn round the variation tendency of stress relaxation of pressure coupling spring 10.Torsion sensor, moment of torsion transfer block 3, locating piece 4, coupling sleeve 5, compression transfer block 6, pressure transducer 7, moving slider 8 and dog screw 9 are coaxially arranged.Grooved mounting seat 1 adopts stainless steel to process.Pressure transducer 7 and torsion sensor 2 adopt the matured product of Chinese aerodynamic investigation institute development and production and in the scope that mark inspection is qualified, the metal material of the miscellaneous part except grooved mounting seat 1, pressure transducer 7 and torsion sensor 2 is high strength titanium alloy.
Pressure transducer 7 is connected Displaying Meter with torque sensor 2 and is connected 220V alternating current, package unit has connected, and now can turn round pressure, the moment of torsion of pressure coupling spring 10 and turn round pressure coupling spring 10 stress relaxation in time by real-time testing.Concrete operation step is as follows:
(1) be arranged on the major axis of torsion contiguous block 3 by turning round pressure coupling spring 10, according to turning round the windup-degree of pressure coupling spring 10 spring when real work (storage) state, rotate to respective angles by locating piece 4 around torsion contiguous block 3, then accurately located by the groove of coupling sleeve 5 inside;
(2) keep the windup-degree turning round pressure coupling spring 10 constant, promote moving slider 8 by the dog screw 9 of twisting on grooved mounting seat 1 left end riser counterclockwise, pressure transducer 7, compression transfer block 6, coupling sleeve 5 and locating piece 4 horizontal compression turn round pressure coupling spring 10, turn round the length of pressure coupling spring 10 when real work (storage) until be compressed to, then stop twisting dog screw 9;
(3) confirm that whether the windup-degree turning round pressure coupling spring 10 is consistent with state time real work (storage) with reduction length, if any nuance, fine setting dog screw 9 and coupling sleeve 5 are until state meets;
(4) open the Displaying Meter of pressure transducer 7 and torque sensor 2, read pressure now and torque value.
(5) this covering device can keep turning round the accurate reduction length of pressure coupling spring 10 for a long time and windup-degree constant, As time goes on, can numerical value at any time in reading displayed instrument;
(6) the pressure pressure of coupling spring 10 and the numerical value of moment of torsion is turned round by the measurement of long-term timing, the pressure and moment of torsion stress relaxation ability decline trend of turning round pressure coupling spring 10 can be recorded, assess by data analysis and then to work (storage) life-span turning round pressure coupling spring 10.
Above embodiment of the present utility model is explained in detail, above-mentioned embodiment is only optimum embodiment of the present utility model, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.
Claims (3)
1. turn round a stress relaxation measurement mechanism for pressure coupling spring, it is characterized in that comprising grooved mounting seat (1), torsion sensor (2), moment of torsion transfer block (3), locating piece (4), coupling sleeve (5), compression transfer block (6), pressure transducer (7), moving slider (8) and dog screw (9); Wherein, grooved mounting seat (1), as pedestal, is the structure of two ends riser, mid-plane; The right-hand member riser of grooved mounting seat (1) has the through hole for installing torsion sensor (2), and left end riser has the threaded hole for installing dog screw (9); Dog screw (9) is arranged on the left end of grooved mounting seat (1); Torsion sensor (2) is fixed on inside the right-hand member riser of grooved mounting seat (1), and the other end of torsion sensor (2) is connected by screw fastening with moment of torsion transfer block (3); Turning round pressure coupling spring (10) is enclosed within the major axis in moment of torsion transfer block (3), and the right-hand member turning handle turning round pressure coupling spring (10) injects on the pilot hole on moment of torsion transfer block (3), left end turning handle injects in the pilot hole on locating piece (4); Be processed into through-hole form in the middle of locating piece (4) to be enclosed within the major axis of moment of torsion transfer block (3), and can around the major axis 360 ° rotation of moment of torsion transfer block (3); The left end of locating piece (4) closely engages with the right-hand member of coupling sleeve (5), and coupling sleeve (5) is inner needs the angle reversed to be processed into the groove of respective angles according to when turning round pressure coupling spring (10) real work; The left end of coupling sleeve (5) and pressure transducer (7) compress transfer block (6) by one and are fastenedly connected; Pressure transducer (7) is fixed on the right side of moving slider (8) by 4 trip bolts; The left side of moving slider (8) is by dog screw (9) contact; Torsion sensor (2), moment of torsion transfer block (3), locating piece (4), coupling sleeve (5), compression transfer block (6), pressure transducer (7), moving slider (8) and dog screw (9) are coaxially arranged.
2. as claimed in claim 1 a kind of turn round pressure coupling spring stress relaxation measurement mechanism, it is characterized in that grooved mounting seat (1) adopt stainless steel process.
3. as claimed in claim 1 a kind of turn round pressure coupling spring stress relaxation measurement mechanism, it is characterized in that the metal material of the miscellaneous part except grooved mounting seat (1), pressure transducer (7) and torsion sensor (2) is high strength titanium alloy.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520239867.2U CN204594803U (en) | 2015-04-20 | 2015-04-20 | A kind of stress relaxation measurement mechanism turning round pressure coupling spring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520239867.2U CN204594803U (en) | 2015-04-20 | 2015-04-20 | A kind of stress relaxation measurement mechanism turning round pressure coupling spring |
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| CN204594803U true CN204594803U (en) | 2015-08-26 |
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| CN201520239867.2U Active CN204594803U (en) | 2015-04-20 | 2015-04-20 | A kind of stress relaxation measurement mechanism turning round pressure coupling spring |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165838A (en) * | 2019-04-11 | 2019-08-23 | 广东省智能制造研究所 | A kind of moment of elasticity control device |
| CN110542522A (en) * | 2018-05-29 | 2019-12-06 | 中国科学院金属研究所 | dynamic test method for stress relaxation of torsion spring |
| CN112504588A (en) * | 2020-12-21 | 2021-03-16 | 广电计量检测（天津）有限公司 | Torsional spring stress relaxation acceleration test device |
-
2015
- 2015-04-20 CN CN201520239867.2U patent/CN204594803U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542522A (en) * | 2018-05-29 | 2019-12-06 | 中国科学院金属研究所 | dynamic test method for stress relaxation of torsion spring |
| CN110165838A (en) * | 2019-04-11 | 2019-08-23 | 广东省智能制造研究所 | A kind of moment of elasticity control device |
| CN112504588A (en) * | 2020-12-21 | 2021-03-16 | 广电计量检测（天津）有限公司 | Torsional spring stress relaxation acceleration test device |
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