CN208333529U - Lower watt of neglected loading detection system of piston rod and vehicle - Google Patents
Lower watt of neglected loading detection system of piston rod and vehicle Download PDFInfo
- Publication number
- CN208333529U CN208333529U CN201820678659.6U CN201820678659U CN208333529U CN 208333529 U CN208333529 U CN 208333529U CN 201820678659 U CN201820678659 U CN 201820678659U CN 208333529 U CN208333529 U CN 208333529U
- Authority
- CN
- China
- Prior art keywords
- piston
- neglected loading
- detection system
- lower watt
- piston rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 238000006073 displacement reaction Methods 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 3
- 238000012806 monitoring device Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model embodiment provides a kind of lower watt of neglected loading detection system of piston rod, belongs to equipment monitoring field.The system includes: position detecting device, driving device and processor, wherein the driving device is for driving the crank rotation；The position detecting device is used to detect the displacement for the piston being driven due to the crank rotation；The processor is connect with the position detecting device, for according to the displacement of piston detected judge the connecting rod lower half bearing whether neglected loading.The testing result of lower watt of neglected loading detection system of the piston rod is accurate and reliable, can carry out with piston bulge quantity automatic measurement synchronization, and detection efficiency is high.
Description
Technical field
The utility model relates to equipment monitorings, more particularly to a kind of lower watt of neglected loading detection system of piston rod and vehicle
?.
Background technique
The connecting rod lower half bearing neglected loading automatic testing method generallyd use at present is: driving transmission of crankshaft piston using servo motor
To the top dead center position of setting, then crankshaft is rotated further by certain angle, and the piston top of two positions is recorded using displacement sensor
Face position.When the absolute value of the difference of measured value twice is greater than the limit value determined by product structure, it is determined as that lower link watt does not leak
Dress, is otherwise determined as neglected loading.
This method has the following problems:
1, servo motor drives crank rotation by transmission mechanism, after transmission mechanism is worn in use,
Fit clearance between component becomes larger, and causes actual rotation angle to be less than programmed values, causes to judge by accident.
2, it synchronous with piston protrusion measuring can not carry out, detection circulation time is longer.
3, the acceleration and deceleration process of multiple jiggering start-stop makes transmission mechanism Fast Wearing.
Utility model content
The purpose of the utility model embodiment is to provide a kind of lower watt of neglected loading detection system of piston rod and vehicle, the work
The testing result for filling in connecting rod lower half bearing neglected loading detection system and vehicle is accurate and reliable, can with the automatic measurement synchronization of piston bulge quantity into
Row, detection efficiency are high.
To achieve the goals above, the utility model embodiment provides a kind of lower watt of neglected loading detection system of piston rod, institute
Connecting rod connection crankshaft is stated, which includes: position detecting device, driving device and processor, wherein the driving device is used
In the driving crank rotation；The position detecting device is used to detect the position for the piston being driven due to the crank rotation
It moves；The processor is connect with the position detecting device, for being judged under the connecting rod according to the displacement of piston detected
Watt whether neglected loading.
Preferably, the position detecting device is displacement sensor, and institute's displacement sensors are mounted on the piston.
Preferably, the position detecting device is changing sensor, and the changing sensor is fixed on the piston-top surface
Top.
Preferably, the changing sensor is fixed on the processor, and described when the piston is located at top dead centre
Piston-top surface contact.
Preferably, the processor is also used to: within the certain time moved since the piston is located at top dead centre, institute
When the displacement of the piston of detection is 0, the connecting rod lower half bearing neglected loading is judged.
Preferably, the position detecting device is infrared sensor, and the infrared sensor is fixed on the piston-top surface
Top.
Preferably, the system further include: data collecting card, be connected to the processor and the position monitoring device it
Between, the data that are detected for acquiring the position monitoring device.
Preferably, system further include: sequence controller is connect with the data collecting card, for controlling the data
The data acquisition intervals of capture card.
The utility model embodiment also provides a kind of vehicle, which includes lower watt of neglected loading inspection of piston rod described above
Examining system.
Through the above technical solutions, using lower watt of neglected loading detection system of piston rod provided by the utility model and vehicle
, due to using position monitoring device continuous acquisition piston-top surface height during crankshaft uniform rotation, then sentenced
Lower watt of cracking connecting rod whether neglected loading, eliminate the abrasion of transmission mechanism in former connecting rod lower half bearing automatic testing method for the shadow of testing result
It rings, testing result is accurate and reliable, can be with the same stepping of piston Projection Measure without individually carrying out connecting rod lower half bearing detecting step
Row, detection efficiency improve.
The other feature and advantage of the utility model embodiment will give in the following detailed description section specifically
It is bright.
Detailed description of the invention
Attached drawing is to further understand for providing to the utility model embodiment, and constitute part of specification,
It is used to explain the utility model embodiment together with following specific embodiment, but does not constitute to the utility model embodiment
Limitation.In the accompanying drawings:
Fig. 1 is the structural schematic diagram for the lower watt of neglected loading detection system of piston rod that an embodiment of the present invention provides；
Fig. 2 is the structural schematic diagram for the lower watt of neglected loading detection system of piston rod that another embodiment of the utility model provides；
Fig. 3 is the structural schematic diagram for the lower watt of neglected loading detection system of piston rod that another embodiment of the utility model provides；
Fig. 4 is the structural schematic diagram for the lower watt of neglected loading detection system of piston rod that another embodiment of the utility model provides；
Fig. 5 is the operation schematic diagram for the lower watt of neglected loading detection system of piston rod that another embodiment of the utility model provides；
And
Fig. 6 A-6B is the piston stroke curve synoptic diagram that an embodiment of the present invention provides.
Description of symbols
1 position detecting device, 2 driving device
3 processor, 11 displacement sensor
12 changing sensor, 13 infrared sensor
4 piston, 5 data collecting card
6 sequence controllers.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the utility model embodiment.It should be understood that
It is that specific embodiment described herein is merely to illustrate and explains the utility model embodiment is not limited to this reality
Use new embodiment.
Fig. 1 is the structural schematic diagram for the lower watt of neglected loading detection system of piston rod that an embodiment of the present invention provides.Such as
Shown in Fig. 1, the connecting rod connects crankshaft, which includes: position detecting device 1, driving device and processor 3, wherein institute
Driving device is stated for driving the crank rotation；The position detecting device 1 is passed for detecting due to the crank rotation
The displacement of dynamic piston 4；The processor 3 is connect with the position detecting device 1, for the position according to piston 4 detected
Shifting judge the connecting rod lower half bearing whether neglected loading.
Crankshaft is at the uniform velocity rotated by driving device driving, and due to the effect of connecting rod, drive piston 4 is moved.Due to air cylinder connecting rod
Lower watt of neglected loading, so that after piston 4 reaches top dead centre, when crank throw axle journal moves downward in tie rod holes, the two fit clearance
Become larger, so piston 4, since top dead centre, 4 position of crank rotation certain angle range inner piston remains unchanged.
Therefore, the utility model is using processor 3 with the measurement of certain real-time reading position detection device 1 of sample frequency
Value, and carry out data processing.Within the certain time moved since the piston 4 is located at top dead centre, piston 4 detected
When displacement is 0, the connecting rod lower half bearing neglected loading is judged.
In addition, the curve for indicating the stroke of piston 4 also can be generated in processor 3, and adopted with the stroke curve of lower watt of neglected loading
It is compared with image Comparison Method, when characteristics of image meets lower watt of neglected loading state (at wave crest in certain length horizontal), i.e.,
It is determined as neglected loading.
Due to using position detecting device continuous acquisition piston-top surface to be displaced during crankshaft uniform rotation, it is not required to more
Secondary start and stop crankshaft reduces and repeatedly starts and stop crank rotation to abrasion caused by transmission system, eliminates transmission mechanism
Wear the influence for testing result.The detection of this system simultaneously synchronous with piston Projection Measure can carry out, without independent
Connecting rod lower half bearing detecting step is carried out, detection efficiency improves.
Position detecting device 1 can not limit for the various positions that can detect piston 4 or the equipment of displacement, the utility model
It is fixed.Part of equipment will be enumerated below to be described in detail.
Fig. 2 is the structural schematic diagram for the lower watt of neglected loading detection system of piston rod that another embodiment of the utility model provides.
As shown in Fig. 2, the position detecting device 1 is displacement sensor 11, institute's displacement sensors 11 are mounted on the piston 4.
Displacement sensor 11 is also known as linear transducer, and mechanical displacement is converted into therewith into line by it by potentiometer element
The resistance or voltage output of property or arbitrary function relationship.
In the present embodiment, displacement sensor 11 is located on piston 4, moves together with piston 4.When piston 4 is in top dead centre
When slack in certain time later, it is constant that displacement sensor 11 can detecte out 4 holding position of piston, so as to according to above
The method judges lower watt of neglected loading.
Fig. 3 is the structural schematic diagram for the lower watt of neglected loading detection system of piston rod that another embodiment of the utility model provides.
As shown in figure 3, the position detecting device 1 is changing sensor 12, the changing sensor 12 is fixed on 4 top surface of piston
Top.
In the present embodiment, the preferably described changing sensor 12 is fixed on the processor 3, vertical with 4 top surface of piston.
It when the piston 4 is located at top dead centre, is contacted with 4 top surface of piston, and in 12 useful range of changing sensor.
Changing sensor 12 is when bearing external applied load, it will deformation occurs, will generate corresponding different outputs.In piston
4 when being moved, and changing sensor 12 is compressed or discharges, and according to the difference that changing sensor 12 exports, can be learnt
Much deformation has occurred in changing sensor 12, with the displacement of precise measurement piston 4.
Fig. 4 is the structural schematic diagram for the lower watt of neglected loading detection system of piston rod that another embodiment of the utility model provides.
As shown in figure 4, the position detecting device 1 is infrared sensor 13, the infrared sensor 13 is fixed on 4 top surface of piston
Top.
Infrared sensor 13 forms the process of a reflection after being irradiated to object, is reflected by launching infrared light
Sensor is followed by the collection of letters number, the data of transmitting with received time difference is then received using image procossing, at signal processor 3
The distance of object is calculated after reason.
Carried out in moving process in piston 4, infrared sensor 13 real-time detection at a distance from piston 4, with piston 4 away from
When from remaining unchanged, judge that piston 4 is not displaced.
Fig. 5 is the operation schematic diagram for the lower watt of neglected loading detection system of piston rod that another embodiment of the utility model provides.
As shown in figure 5, the system further include:
Data collecting card 5 is connected between the processor 3 and the position monitoring device, for acquiring the position
The data that monitoring device detects；
Sequence controller 6 is connect with the data collecting card 5, and the data for controlling the data collecting card 5 acquire
Interval.
The system work process are as follows: driving device driving crank rotation is moved with drive piston 4, position detecting device
The displacement of 1 detection piston 4.Sequence controller 6 controls the detection of 5 separated in time of data collecting card (such as 5ms) acquisition position
The data of device 1, and it is sent to processor 3.Processor 3 has processing routine, and includes database, is sentenced by processing routine
Break lower watt whether neglected loading, and interact, extract and storing data with database.
Fig. 6 A-6B is the piston stroke curve synoptic diagram that an embodiment of the present invention provides.Wherein, Fig. 6 A is lower watt
Curve made of numeric renderings is collected into when normal mounting；Fig. 6 B is collected into curve made of numeric renderings when being lower watt of neglected loading.
Ordinate is the reading of position detecting device 1, and abscissa is sampled point.Piston 4 when lower watt of normal mounting as can be seen from Figure 6A
In top dead centre (wave crest), certain time is in sine curve to the curve of top side location afterwards, and in Fig. 6 B, piston 4 is pushed up when lower watt of neglected loading
Certain time is horizontal afterwards in top dead centre (wave crest) for the curve of face position.According to this phenomenon, determine that the condition of lower watt of neglected loading is
Continuous N number of point meets:
①|HX+1–HX|=0；
②HX≠0(HXFor the measured value of X sampled point).
Depending on N value is by the speed of crankshaft in product structure and detection process.
In addition, the utility model embodiment also provides a kind of vehicle, which includes lower watt of piston rod described above
Neglected loading detection system.
Through the above technical solutions, using lower watt of neglected loading detection system of piston rod provided by the utility model and vehicle
, due to using position monitoring device continuous acquisition piston-top surface height during crankshaft uniform rotation, then sentenced
Lower watt of cracking connecting rod whether neglected loading, eliminate the abrasion of transmission mechanism in former connecting rod lower half bearing automatic testing method for the shadow of testing result
It rings, testing result is accurate and reliable, can be with the same stepping of piston Projection Measure without individually carrying out connecting rod lower half bearing detecting step
Row, detection efficiency improve.
The optional embodiment of the utility model embodiment, still, the utility model is described in detail in conjunction with attached drawing above
Embodiment be not limited to the above embodiment in detail can in the range of the technology design of the utility model embodiment
A variety of simple variants are carried out with the technical solution to the utility model embodiment, these simple variants belong to the utility model reality
Apply the protection scope of example.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the utility model is implemented
No further explanation will be given to various combinations of possible ways for example.
In addition, any combination can also be carried out between a variety of different embodiments of the utility model embodiment, as long as
It equally should be considered as the utility model embodiment disclosure of that without prejudice to the thought of the utility model embodiment.
Claims (9)
1. a kind of lower watt of neglected loading detection system of piston rod, the connecting rod connects crankshaft, which is characterized in that the system includes:
Position detecting device, driving device and processor, wherein
The driving device is for driving the crank rotation；
The position detecting device is used to detect the displacement for the piston being driven due to the crank rotation；
The processor is connect with the position detecting device, for being judged under the connecting rod according to the displacement of piston detected
Watt whether neglected loading.
2. lower watt of neglected loading detection system of piston rod according to claim 1, which is characterized in that the position detecting device
It is displacement sensor, institute's displacement sensors are mounted on the piston.
3. lower watt of neglected loading detection system of piston rod according to claim 1, which is characterized in that the position detecting device
It is changing sensor, the changing sensor is fixed on above the piston-top surface.
4. lower watt of neglected loading detection system of piston rod according to claim 3, which is characterized in that the changing sensor is solid
Determine on the processor, when the piston is located at top dead centre, to contact with the piston-top surface.
5. lower watt of neglected loading detection system of piston rod according to claim 1, which is characterized in that the processor is also used
In:
Within the certain time moved since the piston is located at top dead centre, when the displacement of piston detected is 0, institute is judged
State connecting rod lower half bearing neglected loading.
6. lower watt of neglected loading detection system of piston rod according to claim 1, which is characterized in that the position detecting device
It is infrared sensor, the infrared sensor is fixed on above the piston-top surface.
7. lower watt of neglected loading detection system of piston rod according to claim 1, which is characterized in that the system further include:
Data collecting card is connected between the processor and the position monitoring device, for acquiring the position monitoring dress
Set the data detected.
8. lower watt of neglected loading detection system of piston rod according to claim 7, which is characterized in that the system further include:
Sequence controller is connect with the data collecting card, for controlling the data acquisition intervals of the data collecting card.
9. a kind of vehicle, which is characterized in that the vehicle includes that piston described in any one of claim 1-8 claim connects
Lower watt of neglected loading detection system of bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820678659.6U CN208333529U (en) | 2018-05-08 | 2018-05-08 | Lower watt of neglected loading detection system of piston rod and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820678659.6U CN208333529U (en) | 2018-05-08 | 2018-05-08 | Lower watt of neglected loading detection system of piston rod and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208333529U true CN208333529U (en) | 2019-01-04 |
Family
ID=64776214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820678659.6U Expired - Fee Related CN208333529U (en) | 2018-05-08 | 2018-05-08 | Lower watt of neglected loading detection system of piston rod and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208333529U (en) |
-
2018
- 2018-05-08 CN CN201820678659.6U patent/CN208333529U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101537954B (en) | Elevator speed limiter detector | |
| CN102060037A (en) | Online dynamic detection device of all-periphery contour dimension of locomotive wheel pair | |
| JP6841558B2 (en) | Condition diagnosis system and condition diagnosis method of rolling guidance device | |
| CN107860564A (en) | A kind of flaccid state online testing device for primary cut-out operation spring | |
| CN101907520B (en) | Engine fire detection method and detection device thereof | |
| CN208333529U (en) | Lower watt of neglected loading detection system of piston rod and vehicle | |
| CN108692929A (en) | The monitoring system and monitoring method of breaker closing energy-stored spring state | |
| CN111606177A (en) | Passenger conveying device and its fault detection and monitoring method and device | |
| CN104528508A (en) | Non-contact type escalator multi-parameter measuring method based on photoelectricity testing part | |
| CN109752459A (en) | Ultrasonic flaw detecting device, system and method | |
| CN110108550A (en) | Material Testing Machine | |
| CN206420445U (en) | Bearing outside diameter detection means | |
| CN111606176B (en) | Passenger conveyor, abnormality diagnosis device and method thereof, and cycle recognition method | |
| CN108731792B (en) | Method for judging train passing and vibration detection device | |
| CN115849129B (en) | Elevator drum brake monitoring device | |
| CN114626162B (en) | Quantitative recognition method for loss degree of contact ball bearing | |
| CN210719107U (en) | Crank assembly height detection device | |
| CN201011610Y (en) | Mechanism kinematics and dynamics parameter testing experimental teaching system | |
| KR20140139955A (en) | System and method of detecting failure of engine | |
| CN109269717A (en) | A kind of superposing type force standard machine that self can be achieved and verifies function | |
| CN209624489U (en) | Ultrasonic flaw detecting device and system | |
| GB2607532A (en) | Apparatuses, methods, systems, and techniques of misfire detection using engine speed sensor | |
| CN102564700A (en) | Detection method and control system for detecting tightness of engine air cylinder as well as engine system | |
| CN219220915U (en) | Cylinder life testing device | |
| CN205620132U (en) | Utilize photoelectrical technique and vibration sensor to detect device of bearing flexibility |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |