CN204008091U - A kind of test unit for tappet Stromeyer test - Google Patents
A kind of test unit for tappet Stromeyer test Download PDFInfo
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- CN204008091U CN204008091U CN201420362847.XU CN201420362847U CN204008091U CN 204008091 U CN204008091 U CN 204008091U CN 201420362847 U CN201420362847 U CN 201420362847U CN 204008091 U CN204008091 U CN 204008091U
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- tappet
- rocking arm
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- force cell
- tooling base
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Abstract
The utility model belongs to Aero Engine Testing technical field, a kind of test unit for tappet Stromeyer test is provided, comprise: tappet is become to specific examination corner with rocking arm horizontal direction, by front fixture block and rear piece, be fixed tightly on tooling base, one end of wire rope is connected with pin by linker, pin is arranged in the rocking arm of tappet and the link hole of valve, the other end of wire rope is connected with one end of force cell by linker after angle sheave guiding, the other end of force cell is connected on load support plate by bolt and regulating nut, load support plate, a rear piece, front fixture block is all fixed on tooling base, tooling base is fixed on vibration slide unit, the to-and-fro movement of described vibration slide unit along continuous straight runs, laser sensor irradiates the rocking arm top of tappet along the vibration displacement direction of rocking arm, laser sensor rear end connects monitoring equipment by amplifier, dynamometry digital display meter is connected with force cell.
Description
Technical field
The invention belongs to Aero Engine Testing technical field, relate to a kind of fatigue strength tester of engine bleeder valve tappet.
Background technology
The opening and closing of engine bleeder valve are the important mechanism of engine anti-asthma, carry out the multiple load of tappet rocking arm carrying person of handling valve work, and the quality of its fatigue properties, directly affects the normal work of engine.In order to improve its fatigue behaviour, improve fatigue resistance, and verify the rationality of its technique, need to design a set of special test unit.
Summary of the invention
The technical problem to be solved in the present invention: a kind of test unit for tappet Stromeyer test is provided, can accurately simulates tappet rocking arm stress, and complete the fatigue strength efficiency test to tappet rocking arm.
Technical scheme of the present invention: a kind of test unit for tappet Stromeyer test, comprising:
Dynamometry digital display meter 1, bolt 2, load support plate 3, tooling base 4, vibration slide unit 5, rear carrier plate 6, regulating nut 7, force cell 8, wire rope 9, angle sheave 10, front fixture block 12, pin 13, laser sensor 14, amplifier 15;
Tappet 11 is become to specific examination corner with rocking arm horizontal direction, by front fixture block 12 and rear piece 6, be fixed tightly on tooling base 4, one end of wire rope 9 is connected with pin 13 by linker, pin 13 is arranged in the rocking arm of tappet 11 and the link hole of valve, the other end of wire rope 9 is connected with one end of force cell 8 by linker after angle sheave 10 guiding, the other end of force cell 8 is connected on load support plate 3 by bolt 2 and regulating nut 7, load support plate 3, a rear piece 6, front fixture block 12 is all fixed on tooling base 4, tooling base 4 is fixed on vibration slide unit 5, described vibration slide unit 5 along continuous straight runs to-and-fro movements, laser sensor 14 irradiates the rocking arm top of tappet 11 along the vibration displacement direction of rocking arm, laser sensor 14 rear ends connect monitoring equipment by amplifier 15, dynamometry digital display meter 1 is connected with force cell 8.
Further, described tappet 11 becomes specific examination corner for become 25 degree angles with level with rocking arm horizontal direction.
Beneficial effect of the present invention: make tappet rocking arm Stromeyer test have general feasible test unit, solved a test difficult problem for tappet rocking arm examination, met the troubleshooting needs of aeromotor.
Accompanying drawing explanation
Fig. 1 is air bleed valve tappet rocking arm torture test sketch of the present invention;
Fig. 2 is that the A of Fig. 1 is to view.
In figure: fixture block 13-pin 14-laser sensor 15-amplifier before 1-dynamometry digital display meter 2-bolt 3-load support plate 4-base plate 5-vibration slide unit 6-rear carrier plate 7-regulating nut 8-force cell 9-wire rope 10-angle sheave 11-tappet 12-
Embodiment
A kind of test unit for tappet Stromeyer test provided by the invention, as shown in Figure 1 and Figure 2, comprising:
Dynamometry digital display meter 1, bolt 2, load support plate 3, tooling base 4, vibration slide unit 5, rear carrier plate 6, regulating nut 7, force cell 8, wire rope 9, angle sheave 10, front fixture block 12, pin 13, laser sensor 14, amplifier 15;
By tappet 11 with rocking arm horizontal direction to become the force direction that is subject to of 25 degree corners with level, by front fixture block 12 and rear piece 6, be fixed tightly on tooling base 4, guarantee that rocking arm can not circumferentially rotate, one end of wire rope 9 is connected with pin 13 by linker, pin 13 is arranged in the rocking arm of tappet 11 and the link hole of valve, the other end of wire rope 9 is connected with one end of force cell 8 by linker after angle sheave 10 guiding, the other end of force cell 8 is connected on load support plate 3 by bolt 2 and regulating nut 7, with this, simulate and regulate the stress of tappet rocking arm, load support plate 3, a rear piece 6, front fixture block 12 is all fixed on tooling base 4, tooling base 4 is fixed on vibration slide unit 5, described vibration slide unit 5 along continuous straight runs to-and-fro movements, laser sensor 14 irradiates the rocking arm top of tappet 11 along the vibration displacement direction of rocking arm, laser sensor 14 rear ends connect monitoring equipment by amplifier 15, dynamometry digital display meter 1 is connected with force cell 8.
In test, by shaking table, complete the torture test of tappet rocking arm, test procedure is as follows:
(1) in order to reach test objective, need be processed into the plane that tightens up use to the rotating shaft of tappet 11, while guaranteeing rocking arm to load, tappet can not rotate.
(2) tooling base 4 and vibration slide unit 5 are fastenedly connected.
(3) load support plate 3 and rear piece 6, front fixture block 12 are all fixed on tooling base 4.
(4) rocking arm of tappet 11 is fixed tightly on tooling base by front fixture block 12 and rear piece 6, guarantees that rocking arm can not circumferentially rotate.
(5) one end of wire rope 9 is connected with pin 13 by linker, pin 13 be arranged on rocking arm and or door link hole in, the other end of wire rope 9 is connected with one end of force cell 8 by linker after angle sheave 10 guiding, the other end of force cell 8 is connected on load support plate 3 by bolt 2 and regulating nut 7, guarantee that the pulling force that puts on tappet rocking arm meets value requirement, and show in real time value of thrust by dynamometry digital display meter 1.
(6) adjusting regulating nut 7 makes tappet rocking arm be subject to the pulling force of about 145Kg.
(7) control the little load 1g vibration of vibration slide unit 5 frequency sweep, find the curved resonant frequency of rocking arm one and rocking arm amplitude maximum position, laser displacement sensor 14 is placed in to the about 40mm in this position and detects.
(8) load on request rocking arm vibration displacement value, carry out torture test.
The fatigue strength tester of connecting rod rocking arm is retained on vibration slide unit, can effectively simulate the operating load of connecting rod, can complete the connecting rod rocking arm of different process is carried out to fatigue examination, test unit redjustment and modification are simple and easy to do, use the method effectively to complete the contrast of connecting rod rocking arm fatigue strength, certification test, guaranteed the safe handling of engine.
Claims (2)
1. for a test unit for tappet Stromeyer test, it is characterized in that, comprising:
Dynamometry digital display meter (1), bolt (2), load support plate (3), tooling base (4), vibration slide unit (5), rear carrier plate (6), regulating nut (7), force cell (8), wire rope (9), angle sheave (10), front fixture block (12), pin (13), laser sensor (14), amplifier (15);
Tappet (11) is become to specific examination corner with rocking arm horizontal direction, by front fixture block (12) and rear piece (6), be fixed tightly on tooling base (4), one end of wire rope (9) is connected with pin (13) by linker, pin (13) is arranged in the rocking arm of tappet (11) and the link hole of valve, the other end of wire rope (9) is connected with one end of force cell (8) by linker after angle sheave (10) guiding, the other end of force cell (8) is connected on load support plate (3) by bolt (2) and regulating nut (7), load support plate (3), a rear piece (6), front fixture block (12) is all fixed on tooling base (4), tooling base (4) is fixed on vibration slide unit (5), described vibration slide unit (5) along continuous straight runs to-and-fro movement, laser sensor (14) irradiates the rocking arm top of tappet (11) along the vibration displacement direction of rocking arm, laser sensor (14) rear end connects monitoring equipment by amplifier (15), dynamometry digital display meter (1) is connected with force cell (8).
2. a kind of test unit for tappet Stromeyer test as claimed in claim 1, is characterized in that, described tappet (11) becomes specific examination corner for become 25 degree angles with level with rocking arm horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362847.XU CN204008091U (en) | 2014-07-02 | 2014-07-02 | A kind of test unit for tappet Stromeyer test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362847.XU CN204008091U (en) | 2014-07-02 | 2014-07-02 | A kind of test unit for tappet Stromeyer test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204008091U true CN204008091U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420362847.XU Active CN204008091U (en) | 2014-07-02 | 2014-07-02 | A kind of test unit for tappet Stromeyer test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738115A (en) * | 2016-02-29 | 2016-07-06 | 西安航空动力股份有限公司 | Method for measuring engine venting valve servo-actuated rod dynamic vibration stress contrast |
| CN113758664A (en) * | 2021-08-10 | 2021-12-07 | 广州大学 | Rope-tied artificial excitation control system and control method thereof |
-
2014
- 2014-07-02 CN CN201420362847.XU patent/CN204008091U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738115A (en) * | 2016-02-29 | 2016-07-06 | 西安航空动力股份有限公司 | Method for measuring engine venting valve servo-actuated rod dynamic vibration stress contrast |
| CN105738115B (en) * | 2016-02-29 | 2018-05-29 | 西安航空动力股份有限公司 | A kind of engine bleeder valve tappet dynamic vibration stress measurement of comparison method |
| CN113758664A (en) * | 2021-08-10 | 2021-12-07 | 广州大学 | Rope-tied artificial excitation control system and control method thereof |
| CN113758664B (en) * | 2021-08-10 | 2023-10-31 | 广州大学 | Rope-tied type manual excitation control system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Fengcheng Weiyang District ten road 710021 Shaanxi city of Xi'an Province Patentee after: AECC AVIATION POWER CO,LTD. Address before: Fengcheng Weiyang District ten road 710021 Shaanxi city of Xi'an Province Patentee before: AVIC AVIATION ENGINE Corp.,PLC Address after: Fengcheng Weiyang District ten road 710021 Shaanxi city of Xi'an Province Patentee after: AVIC AVIATION ENGINE Corp.,PLC Address before: Fengcheng Weiyang District ten road 710021 Shaanxi city of Xi'an Province Patentee before: XI'AN AVIATION POWER Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |