CN2911681Y - Detector for active redundant articles - Google Patents
Detector for active redundant articles Download PDFInfo
- Publication number
- CN2911681Y CN2911681Y CN 200620018750 CN200620018750U CN2911681Y CN 2911681 Y CN2911681 Y CN 2911681Y CN 200620018750 CN200620018750 CN 200620018750 CN 200620018750 U CN200620018750 U CN 200620018750U CN 2911681 Y CN2911681 Y CN 2911681Y
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- turret
- bolt
- wheel
- turntable
- transmission shaft
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- Expired - Lifetime
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Abstract
The utility model discloses an active redundancies detecting device and is composed of a control cabinet (12), and a rotary table (7); a piezoelectric transducer (1) is fixed by a fixing bracket (11) and is positioned on the surface of the instrument (10) being detected, and is then connected with the connection wire (8) of the pre-amplifier (2) which is inserted into the DC regulated power (6) of the control cabinet (12). An instantaneous waveform recorder (3) is connected with the DC regulated power (6) and a PC (4); a rotary frame (15) is used to drive the active redundancies in the instrument (10) being detected to move, generating stress wave and acoustic radiation wave inside the instrument walls which are processed with the differential analysis and linear regression method. The device has the advantages of long sampling length, continuous detection, high sensitivity, reliability, and accurate active redundancies detection.
Description
Technical field
The utility model relates to a kind of pick-up unit of fifth wheel, Checkout of active redundances device in particularly a kind of detecting instrument.
Background technology
For many years, the development research of movable fifth wheel detection technique and application are carried out in sophisticated technology department always, particularly in the spationautics field.Patent ZL 96 2 11981.4 movable fifth wheel pick-up units adopt transient signal capture card acquired signal, and the turntable motor-driven detects software and adopts dos operating system.The poor compatibility of transient signal registration card, sampling length are short, adopt the EPP interface to be connected with computing machine, and poor signal quality can not continuous acquisition; The pick-up unit mechanical noise is big, and the electric signal serious interference causes the false triggering of instrument easily, has a strong impact on the stability of device; What detect the software employing is dos operating system, and the operation interface literal is an English, uses inconvenient.The utility model is integrated in control system in the switch board, switch board is integrated computing machine, instantaneous waveform recorder, direct supply; Method excitation by hand rotation turret is subjected to displacement by the mobilizable fifth wheel in the test examination instrument, and mechanical noise is little, and electric signal disturbs few; Adopt the waveform signal of instantaneous waveform recorder record acquisition, instantaneous waveform recorder can be connected with the USB mouth of commercially available common computer, and sampling length is big, but continuous acquisition, and signal quality is good.System software moves under the WINDOWS platform, adopts the virtual instrument softpanel, and Chinese graphic interface is easy and simple to handle, easily learns usefulness well; Software adopts the methods analyst signal characteristic of differential analysis and linear recurrence, judges whether signal is the fifth wheel signal.
Summary of the invention
The purpose of this utility model be for movable fifth wheel detect provide a kind of highly sensitive, assay reliable, accuracy of judgement, movable fifth wheel pick-up unit simple to operate.
Movable fifth wheel pick-up unit is made of switch board and turntable two parts.Slide plate is equipped with in the switch board lower end, and the slide rail by two ends is fixed on switch board, puts computing machine, instantaneous waveform recorder on the slide plate.12 volts of D.C. regulated power supplies are fixed on the flat board of instantaneous waveform recorder top by draw-in groove.12 volts of D.C. regulated power supplies in the switch board link to each other by shielded multiconductor cable with the prime amplifier on the turntable; The signal output of 12 volts of D.C. regulated power supplies is divided into two paths of signals by three-way plug with a signal, is connected with instantaneous waveform recorder with the coaxial shielding lead respectively.Connect by the dedicated transmissions cable between computing machine USB mouth, instantaneous waveform recorder.The bearing support that turntable is made up of turret, rotating disk, transmission shaft, bearing and supporting base, clutch coupling, handle, clamping screw, chassis and framework, castor, foot bolt etc. constitute.Rotating disk is fixed on the turret by its central shaft, can do the rotation of 90 degree scopes on turret, and can be locked in the interior optional position of 90 degree by clamping screw.Rotating disk has some T type grooves, and the square of fixed mount screw rod lower end can insert T type groove and move in T type groove.According to by the size of test examination instrument, select the T type groove of correct position, can adjust the spacing of fixed mount standing screw.Center, two ends, turret plane transmission shaft with bolt, left end transmission shaft left end and supporting base have big space outward, axially have through hole, shielded multiconductor cable can pass this hole and be fastened on the prime amplifier of turret and 12 volts of D.C. regulated power supplies in the switch board respectively, and the two ends vertical with transmission shaft, turret plane are screwed jug.Transmission shaft passes bearing and is fixed on the upper end of bracing frame by bearing seat, and clutch coupling is equipped with in the termination of right-hand member transmission shaft, pushes clutch coupling and can lock transmission shaft, and turret is locked in the surface level position; When extracting, discharge transmission shaft, turret can freely rotate along transmission shaft.The bearing support that bearing seat is housed is fixed by bolts on the turntable carrier frame, and following four jiaos of places on chassis are installed with universal caster wheel and foot bolt, and frame outer surface coats with sheet iron.Unclamp the clutch coupling of transmission shaft, the rotation turret drives reciprocal ± 180 degree of being done by test examination instrument fixing on the rolling disc and quickens to rotate, and excitation is subjected to displacement by the movable fifth wheel in the test examination instrument.Rotation acceleration can change rotational frequency control by operating personnel.Concrete testing process is as follows: get piezoelectric transducer, prime amplifier, 12 volts of D.C. regulated power supplies, instantaneous waveform recorder, computing machine, turntable ready; Be fixed on the rotating disk of turret with fixing tool by test examination instrument, piezoelectric transducer is by the solid suitable position on tested instrument surface in fixed mount top, rotating disk with by test examination instrument, by test examination instrument and fixed mount, adopt the rubber slab isolation damper between piezoelectric transducer and the fixed mount.Piezoelectric transducer is connected with the signals collecting line with prime amplifier, the signal input of 12 volts of D.C. regulated power supplies links to each other with shielded multiconductor cable in prime amplifier on the turntable and the switch board, the signal output of 12 volts of D.C. regulated power supplies is divided into two paths of signals by three-way plug with a signal, be connected with instantaneous waveform recorder with the coaxial shielding lead, instantaneous waveform recorder and computing machine USB mouth connect by the dedicated transmissions cable, and power supply is connected with the D.C. regulated power supply of computing machine, instantaneous waveform recorder, prime amplifier respectively by lead.The rotation turret, driving reciprocal ± 180 degree of being done by test examination instrument fixing on the rotating disk quickens to rotate, excitation is subjected to displacement by the fifth wheel in the test examination instrument, fifth wheel with relative slips taken place by the internal chamber wall of test examination instrument and clashes into, propagation stress elastic wave harmony radiated wave in apparatus wall.Adopt piezoelectric transducer to convert consequent pressure signal to electric signal, amplify through prime amplifier, instantaneous waveform recorder converts digital signal to, by the collection of COMPUTER DETECTION program control signal, waveform show, the raw data deposit and read in, process such as wave form analysis, parameter are provided with.In the testing process, trace routine with fast, slow two kinds of friction speeds while continuous acquisition, can simultaneously or show the signal waveform that friction speed is gathered separately to same signal on display.The testing staff is according to vibration frequency, the envelope shape of signal waveform, whether decidable signal such as characteristic distributions is movable fifth wheel signal in sampling length.Also can adopt the method processing signals of differential analysis and linear regression, whether the automatic identification of trace routine is the fifth wheel signal, provides prompting on display automatically.Trace routine is moved under the WINDOWS platform, adopts the virtual instrument softpanel, Chinese graphic interface, and the user can be according to being set up on their own detected parameters by the size of test examination instrument and structure.Movable fifth wheel pick-up unit, can detect by the minimum dimension of the movable fifth wheel of the metal in the test examination instrument and be not more than 0.5 millimeter of diameter, be not more than 30 kilograms by the quality of test examination instrument, for profile bigger can be adopted a plurality of sensors by test examination instrument, be arranged in the suitable position of instrument.
The utility model picks up the displacement signal that existing sound radiation in the movable fifth wheel displacement process has acoustic emission again, adopted fast, slow two passages to pick up displacement signal, for detecting, movable fifth wheel provide a kind of sampling length big, but continuous detecting, the movable fifth wheel pick-up unit of highly sensitive, reliable results, accuracy of judgement.
Description of drawings
The movable fifth wheel pick-up unit of Fig. 1 structured flowchart;
The movable fifth wheel pick-up unit of Fig. 2 structural representation.
1. piezoelectric transducer 2. prime amplifiers 3. instantaneous waveform recorders 4. main frames 5. displays 6. D.C. regulated power supplies 7. turntables 8. signals collecting lines 9. shielded multiconductor cables 10. are by test examination instrument 11. fixed mounts 12. switch boards 13. coaxial shielding leads 14. transfer cable wires 15. turret 16. rotating disks, 17. right transmission shaft 18. bearing support 19. clutch couplinges, 20. handle 21. clamping screws, 22. chassis and framework 23. castors 24. foot bolt 25. slide plates 26. Left Drive axles
Embodiment
Below in conjunction with drawings and Examples the utility model is described further.
Movable fifth wheel pick-up unit is made of switch board 12 and turntable 7 two parts.Slide plate 25 is equipped with in switch board 12 lower ends, and the slide rail by two ends is fixed on switch board, puts computing machine 4, instantaneous waveform recorder 3 on the slide plate 25.12 volts of D.C. regulated power supplies 6 are fixed on the flat board of instantaneous waveform recorder 3 tops by draw-in groove.12 volts of D.C. regulated power supplies 6 in the switch board 12 link to each other by shielded multiconductor cable 9 with the prime amplifier 2 on the turntable 7; The signal output of 12 volts of D.C. regulated power supplies 6 is divided into two paths of signals by three-way plug with a signal, is connected with instantaneous waveform recorder 3 with coaxial shielding lead 13 respectively.Connect by the dedicated transmissions cable between instantaneous waveform recorder 3, computing machine 4USB mouth.The bearing support 18 that turntable 7 is made up of turret 15, rotating disk 16, right transmission shaft 17, bearing and supporting base, clutch coupling 19, handle 20, clamping screw 20, chassis and framework 22, castor 23, foot bolt 24, Left Drive axle 26 etc. constitute.Rotating disk 16 is fixed on the turret 15 by its central shaft, can do the rotation of 90 degree scopes on turret 15, and can be locked in the interior optional position of 90 degree by clamping screw 21.Rotating disk 16 has some T type grooves, and the square of fixed mount 11 screw rod lower ends can insert T type groove and slide in T type groove.According to by the size of test examination instrument 10, select the T type groove of correct position, can adjust the spacing of fixed mount 11 standing screws.Center, two ends, turret 15 plane is fixed by bolts to right transmission shaft 17, Left Drive axle 26 respectively, left end transmission shaft 26 axially has through hole, shielded multiconductor cable 9 can pass this hole and be fastened on the prime amplifier 2 of turret 15 and 12 volts of D.C. regulated power supplies 6 in the switch board 12 respectively, and turret 15 planes and right transmission shaft 17, Left Drive axle 26 vertical two ends are screwed handle 20.Right transmission shaft 17, Left Drive axle 26 pass bearing and are fixed on the upper end of bracing frame 18 by bearing seat, and clutch coupling 19 is equipped with in the termination of right-hand member transmission shaft 17, pushes clutch coupling 19 and can lock right transmission shaft 17, and turret 15 is locked in the surface level position; When extracting, discharge right transmission shaft 17, turret 15 can freely rotate along right transmission shaft 17, Left Drive axle 26.The bearing support 18 that bearing seat is housed is fixed by bolts on the turntable carrier frame 22, and following four jiaos of places on chassis 22 are installed with universal caster wheel 23 and foot bolt 24, and frame outer surface coats with sheet iron.Unclamp the clutch coupling 19 of right transmission shaft 17, rotation turret 15 drives reciprocal ± 180 degree of being done by test examination instrument 10 fixing on the rotating disk 16 and quickens to rotate, and excitation is subjected to displacement by the fifth wheel in the test examination instrument 10.Rotation acceleration can change rotational frequency control by operating personnel.Concrete testing process is as described below: get piezoelectric transducer 1,2,12 volts of D.C. regulated power supplies 6 of prime amplifier, instantaneous waveform recorder 3, computing machine 4, turntable 7 ready; Be fixed on the rotating disk 16 of turret 15 by test examination instrument 10 usefulness fixing tools 11, piezoelectric transducer 1 is fixed on by the suitable position on test examination instrument 10 surfaces by fixed mount 11 roof pressures, rotating disk 16 with by test examination instrument 10, by test examination instrument 10 and fixed mount 11, adopt the rubber slab isolation damper between piezoelectric transducer 1 and the fixed mount 11.Piezoelectric transducer 1 is connected with prime amplifier 2 usefulness signals collecting lines 8, prime amplifier 2 signals link to each other with 12 volts of D.C. regulated power supply 6 usefulness shielded multiconductor cables 9 in the switch board 12,12 volts of D.C. regulated power supplies 6 are divided into two paths of signals by three-way plug with a signal, be connected with instantaneous waveform recorder 3 with coaxial shielding lead 13, instantaneous waveform recorder 3 links to each other by dedicated transmissions cable 14 with the USB mouth of computing machine 4, and power supply is connected with the D.C. regulated power supply 6 of computing machine 4, instantaneous waveform recorder 3, prime amplifier 2 respectively by lead.Rotation turret 15, driving reciprocal ± 180 degree of being done by test examination instrument 10 fixing on the rotating disk 16 quickens to rotate, excitation is subjected to displacement by the fifth wheel in the test examination instrument 10, fifth wheel with relative slips taken place by the internal chamber wall of test examination instrument 10 and clashes into, propagation stress elastic wave harmony radiated wave in apparatus wall.Adopt piezoelectric transducer 1 to convert consequent pressure signal to electric signal, amplify through prime amplifier 2, instantaneous waveform recorder 3 converts digital signal to, by computing machine 4 trace routine control signal collections, waveform show, the raw data deposit and read in, process such as wave form analysis, parameter are provided with.In the testing process, trace routine with fast, slow two kinds of friction speeds while continuous acquisition, can simultaneously or show the signal waveform that friction speed is gathered separately to same signal on display.The testing staff is according to vibration frequency, the envelope shape of signal waveform, whether decidable signal such as characteristic distributions is movable fifth wheel signal in sampling length.Also can adopt the method processing signals of differential analysis and linear regression, whether the automatic identification of trace routine is the fifth wheel signal, provides prompting on display automatically.Trace routine is moved under the WINDOWS platform, adopts the virtual instrument softpanel, Chinese graphic interface.The user can be according to being set up on their own detected parameters by the size of test examination instrument and structure.
Claims (2)
1. a movable fifth wheel pick-up unit is made up of switch board (12) and turntable (7); It is characterized in that there is slide plate (25) switch board (12) lower end, computing machine (4), instantaneous waveform recorder (3) place on the slide plate (25); Piezoelectric transducer (1) is gathered line (8) with prime amplifier (2) and is connected, and piezoelectric transducer (1) is fixed with fixed mount (11) roof pressure, places by test examination instrument (10) surface; The dull and stereotyped draw-in groove of 12 volts of D.C. regulated power supplies (6) and instantaneous waveform recorder (3) top fixes, be connected with prime amplifier (2) cable (9) on the turntable (7); The signal output of 12 volts of D.C. regulated power supplies (6) and instantaneous waveform recorder (3) coaxial shielding lead (13) are pegged graft; Instantaneous waveform recorder (3) is connected with the USB mouth dedicated transmissions cable (14) of computing machine (4); Rubber slab places rotating disk (16) respectively, by between test examination instrument (10), fixed mount (11) and the piezoelectric transducer (1).
2. a kind of movable fifth wheel pick-up unit according to claim 1 is characterized in that the turntable (7) of described movable fifth wheel pick-up unit comprises turret (15), rotating disk (16), right transmission shaft (17), bearing support (18), clutch coupling (19), handle (20), clamping screw (20), chassis and framework (22), castor (23), foot bolt (24), Left Drive axle (26); Rotating disk (16) center and turret (15) clamping screw (21) are fixing, rotating range 0-90 degree, some T type grooves are arranged, turret (15) and right transmission shaft (17), Left Drive axle (26) bolt, handle (20) and turret (15) bolt on the rotating disk (16); Prime amplifier (2) places on the turret (15), screw retention; Right transmission shaft (17), Left Drive axle (26) and bracing frame (18) upper end bearing fixing, the termination of Left Drive axle (26) is connected with clutch coupling (19) bolt; Bracing frame (18) is connected with framework (22) bolt with the turntable chassis; Universal caster wheel (23), foot bolt (24) are connected for four jiaos with framework (22) bottom surface with the chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620018750 CN2911681Y (en) | 2006-04-03 | 2006-04-03 | Detector for active redundant articles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620018750 CN2911681Y (en) | 2006-04-03 | 2006-04-03 | Detector for active redundant articles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2911681Y true CN2911681Y (en) | 2007-06-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620018750 Expired - Lifetime CN2911681Y (en) | 2006-04-03 | 2006-04-03 | Detector for active redundant articles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2911681Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590788A (en) * | 2012-02-08 | 2012-07-18 | 航天科工防御技术研究试验中心 | Redundancy time difference positioning method and redundancy time difference positioning system |
| CN102590359A (en) * | 2012-02-08 | 2012-07-18 | 航天科工防御技术研究试验中心 | Method and system for identifying redundancy signals |
| CN103472196A (en) * | 2013-10-08 | 2013-12-25 | 上海航天测控通信研究所 | Redundancy detecting device |
| CN111025419A (en) * | 2019-11-22 | 2020-04-17 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Cavity device detection equipment and system |
-
2006
- 2006-04-03 CN CN 200620018750 patent/CN2911681Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590788A (en) * | 2012-02-08 | 2012-07-18 | 航天科工防御技术研究试验中心 | Redundancy time difference positioning method and redundancy time difference positioning system |
| CN102590359A (en) * | 2012-02-08 | 2012-07-18 | 航天科工防御技术研究试验中心 | Method and system for identifying redundancy signals |
| CN103472196A (en) * | 2013-10-08 | 2013-12-25 | 上海航天测控通信研究所 | Redundancy detecting device |
| CN103472196B (en) * | 2013-10-08 | 2015-07-08 | 上海航天测控通信研究所 | Redundancy detecting device |
| CN111025419A (en) * | 2019-11-22 | 2020-04-17 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Cavity device detection equipment and system |
| CN111025419B (en) * | 2019-11-22 | 2022-02-11 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Cavity device detection equipment and system |
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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 |
Granted publication date: 20070613 |
|
| EXPY | Termination of patent right or utility model |