CN204269363U - Chain jack value measuring device between automotive chain system camshaft - Google Patents
Chain jack value measuring device between automotive chain system camshaft Download PDFInfo
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- CN204269363U CN204269363U CN201420649480.XU CN201420649480U CN204269363U CN 204269363 U CN204269363 U CN 204269363U CN 201420649480 U CN201420649480 U CN 201420649480U CN 204269363 U CN204269363 U CN 204269363U
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Abstract
The utility model discloses chain jack value measuring device between a kind of automotive chain system camshaft, it comprises displacement transducer and fore-lying device, and displacement transducer is connected with fore-lying device, and fore-lying device connects the computer that inspection software is housed.Displacement transducer adopts current vortex sensor, and it comprises probe, can also be provided with extension cable, and popping one's head in is connected with fore-lying device by extension cable.The current vortex sensor range of linearity is wide, dynamic response good, antijamming capability is strong, driving wheel rotating speed when engine catenary system reaches resonance point can be grasped by the jerk value detected, also the abrasion condition of catenary system can be monitored, take the necessary measures before the value of beating exceeding regulation, prevent wearing and tearing rear chain and cylinder head Contact-impact from rubbing.
Description
Technical field
The utility model belongs to the pick-up unit being applicable to chain drive system chain jerk value, is specifically related to a kind of pick-up unit being applicable to chain jerk value between automobile engine timing chain system two camshaft.
Background technology
Chain conveyer is a kind of non-conjugated engaged transmission with center flexing, and its chain position of center line also exists periodic change, and chain center line is alternately tangent with sprocket wheel reference circle at the volley or cuts mutually.In Chain conveyer process, because polygon effect causes chain and the periodic variable motion of driven chain crop rotation, thus cause dynamic loading, therefore chaindriven polygon effect can be considered as the periodicity acting force in Chain conveyer, can chain vibration be caused, even resonate, produce noise.In Chain conveyer process, the dynamic loading acted on sprocket wheel is caused by factors.Chaindriven vibration comprises transverse vibration and extensional vibration.System part manufacturing accuracy and chain wear and property mesh cycle are impacted and polygon effect is all the main exciting source that Chain conveyer vertical, horizontal is vibrated.When low speed, chaindriven transverse vibration is comparatively remarkable, when speed and load become more remarkable close to extensional vibration chaindriven during chaindriven ratings.When engine speed raises, camshaft drive chain bob amount strengthens, and chain valve-chamber cover and cylinder head can be caused when exceeding permissible value to rub, and produces abnormal sound.Therefore the matching degree of each system part and chaindriven stationarity between Chain conveyer longitudinal vibration reaction catenary system.The permissible value of different model engine to the longitudinal jerk value of Chain conveyer is different.Chain conveyer is longitudinally beated becomes the key index of system even running, and Real-Time Monitoring Chain conveyer is longitudinally beated and become more important.
Summary of the invention
In order to overcome the above-mentioned defect that prior art field exists, the purpose of this utility model is, provides chain jack value measuring device between a kind of automotive chain system camshaft, and the jerk value of monitoring chain is to judge the stability that chain drive system runs.
Chain jack value measuring device between the automotive chain system camshaft that the utility model provides, it comprises displacement transducer and fore-lying device, and displacement transducer is connected with fore-lying device, and fore-lying device connects the computer that inspection software is housed.Displacement transducer adopts current vortex sensor, and it comprises probe, can also be provided with extension cable, and popping one's head in is connected with fore-lying device by extension cable.
Chain jack value measuring device between the automotive chain system camshaft that the utility model provides, its beneficial effect is, the current vortex sensor range of linearity is wide, dynamic response good, antijamming capability is strong, driving wheel rotating speed when engine catenary system reaches resonance point can be grasped by the jerk value detected, also the abrasion condition of catenary system can be monitored, take the necessary measures before the value of beating exceeding regulation, prevent wearing and tearing rear chain and cylinder head Contact-impact from rubbing.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the utility model embodiment.
Mark in figure:
1. pop one's head in; 2. chain; 3. extension cable; 4. fore-lying device; 5. computer.
Embodiment
With reference to the accompanying drawings, in conjunction with an embodiment, between the automotive chain system camshaft provide the utility model, chain jack value measuring device is described in detail.
Embodiment
With reference to Fig. 1, chain jack value measuring device between the automotive chain system camshaft of the present embodiment, it comprises current vortex sensor and fore-lying device 4, current vortex sensor comprises probe 1 and extension cable 3, probe 1 is connected with fore-lying device 4 by extension cable 3, and fore-lying device 4 connects the computer 5 that inspection software is housed.
The probe 1 of eddy current displacement sensor is placed on the cylinder cap between two camshafts above chain 2, be connected with fore-lying device 4 by extension cable 3, when catenary system operation produces longitudinal beating, chain 2 can be close owing to beating, away from probe 1, along with chain 2 bob, chain 2 and probe 1 distance circulation change, induction current is produced in the metal surface of chain 2 and probe 1 correspondence, this electric current produces alternating magnetic field, thus change the change of probe coil impedance, fore-lying device 4 exports a DC voltage be directly proportional to distance according to the change of probe coil impedance, be input in computer 5 change of displacement of being beated by software display.
Claims (2)
1. a chain jack value measuring device between automotive chain system camshaft, is characterized in that: it comprises displacement transducer and fore-lying device, institute's displacement sensors is connected with described fore-lying device, and described fore-lying device connects the computer that inspection software is housed.
2. chain jack value measuring device between automotive chain system camshaft according to claim 1, it is characterized in that: institute's displacement sensors adopts current vortex sensor, it comprises probe, can also be provided with extension cable, pops one's head in be connected with fore-lying device by extension cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420649480.XU CN204269363U (en) | 2014-11-04 | 2014-11-04 | Chain jack value measuring device between automotive chain system camshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420649480.XU CN204269363U (en) | 2014-11-04 | 2014-11-04 | Chain jack value measuring device between automotive chain system camshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204269363U true CN204269363U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420649480.XU Active CN204269363U (en) | 2014-11-04 | 2014-11-04 | Chain jack value measuring device between automotive chain system camshaft |
Country Status (1)
| Country | Link |
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| CN (1) | CN204269363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802124A (en) * | 2015-11-25 | 2017-06-06 | 青岛征和工业股份有限公司 | A kind of engine catenary system stretcher plunger displacement measuring device and measuring method |
-
2014
- 2014-11-04 CN CN201420649480.XU patent/CN204269363U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802124A (en) * | 2015-11-25 | 2017-06-06 | 青岛征和工业股份有限公司 | A kind of engine catenary system stretcher plunger displacement measuring device and measuring method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |