CN107084695A - A kind of Full-automatic cement electric pole mechanics deflection check-up device and method - Google Patents
A kind of Full-automatic cement electric pole mechanics deflection check-up device and method Download PDFInfo
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- CN107084695A CN107084695A CN201710414547.XA CN201710414547A CN107084695A CN 107084695 A CN107084695 A CN 107084695A CN 201710414547 A CN201710414547 A CN 201710414547A CN 107084695 A CN107084695 A CN 107084695A
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- 239000004568 cement Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000011068 loading method Methods 0.000 claims abstract description 87
- 238000006073 displacement reaction Methods 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 240000002853 Nelumbo nucifera Species 0.000 claims abstract description 27
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims abstract description 27
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims abstract description 27
- 230000008901 benefit Effects 0.000 claims abstract description 13
- 238000004364 calculation method Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 18
- 238000012544 monitoring process Methods 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- YDLQKLWVKKFPII-UHFFFAOYSA-N timiperone Chemical compound C1=CC(F)=CC=C1C(=O)CCCN1CCC(N2C(NC3=CC=CC=C32)=S)CC1 YDLQKLWVKKFPII-UHFFFAOYSA-N 0.000 claims 1
- 229950000809 timiperone Drugs 0.000 claims 1
- 230000009471 action Effects 0.000 description 8
- 238000012545 processing Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000013480 data collection Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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Abstract
The invention discloses Full-automatic cement electric pole mechanics deflection check-up device and method, the detector includes the first displacement transducer and second displacement sensor, it is separately mounted to the two ends of electric pole pile foundation, for detecting the displacement signal at electric pole pile foundation two ends respectively and being sent to processor;Loading transmission device, it is installed on the top of electric pole and is connected with processor, for during electric pole amount of deflection is detected, carrying out successive loading to electric pole, and enter after the completion of every grade of loading between the quiet stopping time set in advance;Between the quiet stopping time set in advance, processor carries out automatic benefit lotus to loading transmission device and automatic steady lotus is in default error range;Load transducer dynamometer, it is connected with loading transmission device, for detecting that loading transmission device is sent to processor to the loading value of electric pole;Amount of deflection sensor, for detecting the displacement signal of the head of the mast and being sent to processor;Processor obtains maximum defluxion and the output of electric pole according to the information and maximum defluxion calculation formula that receive.
Description
Technical field:
The present invention relates to technical fields such as the identification of the mechanics amount of deflection of cement electric pole and detections, especially emphasis is related to a kind of complete
Automatic cement electric pole mechanics deflection check-up device and method.
Background technology:
Electric pole is the bridge of electricity, allows electricity to transport each place.Total class of electric pole is a lot, and we have wooden by common electric pole
Electric pole, iron electric pole cement and concurrent etc..They highly differ, and stand in Plain intermountain, spread over around people.It is mixed
Solidifying soil electric pole (English name:Concrete pole) with concrete and rebar or steel wire it is that main raw material(s) is made
Electric pole.Concurrent is divided into prestressed electric wire pole, partially prestressed electric wire pole, three kinds of non-prestressed electric pole again.
It is domestic at present to detect its mechanical property for the concurrent rod-type of standard GB/T 4623-2014 defineds
Cucurbit loading method all is drawn using artificial during energy, data acquisition can not ensure there is more people by hand-kept, accuracy of detection
For factor, whether result is qualified there is uncertain factor for the inspection of electric pole mechanical property.
The content of the invention:
In order to solve the above problems, the first object of the present invention is to propose a kind of Full-automatic cement electric pole mechanics amount of deflection detection
Instrument, the detector can realize that, with the energy is saved, reduction is produced into from the full-automatic processing of Monitoring Data collection is loaded to
This, improves the advantage of operating efficiency.And the error of the data gathered can be controlled within 2%.
To achieve the above object, concrete scheme of the invention is as follows:
The Full-automatic cement electric pole mechanics deflection check-up device of the present invention includes:
1st, the first displacement transducer and second displacement sensor, it is separately mounted on the face of electric pole fulcrum, for respectively
The displacement signal at detection electric pole fulcrum two ends is simultaneously sent to processor.
2nd, loading transmission device.This device is linked at after load transducer dynamometer, for being scratched in detection electric pole mechanics
During degree, successive loading is carried out to electric pole, and can enter between the quiet stopping time set in advance after the completion of every grade of loading.
When between the quiet stopping time, processor can carry out automatic benefit lotus to loading transmission device and automatic steady lotus is in default error range.
3rd, load transducer dynamometer.This device is connected with loading transmission device, for detecting loading transmission device to electricity
The loading value of bar is simultaneously sent to processor.
4th, amount of deflection sensor.It is arranged on the head of the mast, for detecting the displacement signal of the head of the mast and being sent to processing
Device;The processor 6 is used to, according to the information and Deflection Formula received, obtain maximum defluxion and the output of electric pole.
For example:This device is arranged at the downward 250mm in electric pole top, for detecting the displacement signal of the head of the mast and by signal
It is sent to processor.The processor is used for according to the information and Deflection Formula received, automatic to calculate amount of deflection and aobvious
Show screen display amount of deflection result of calculation.
5th, processor.This device is connected with main frame, and the main frame is connected with remote monitoring center server.The long-range prison
Control central server is communicated with cloud server, and the cloud server is communicated with remote monitoring terminal.The main frame of the present invention is also
The information received is sent into cloud server through remote monitoring center server to be stored, remote monitoring terminal is from high in the clouds
Real-time query corresponding data in server, for realizing the remote monitoring of Monitoring Data and checking.
The processor is also connected with memory, and the memory is used to store the information that the processor is received.
The processor is also connected with alarm, and the alarm is used to exceed phase to the load capacity or displacement signal of electric pole
Alarm is carried out when answering predetermined threshold value.The present invention is also exceeded corresponding pre- using alarm to the load capacity or displacement signal of electric pole
If carrying out alarm during threshold value.
The second object of the present invention is to provide a kind of detection method of Full-automatic cement electric pole mechanics deflection check-up device.
A kind of detection method of Full-automatic cement electric pole mechanics deflection check-up device of the present invention, can be used for detecting national mark
All rod-type in quasi- GB4623-2014.This method step is as follows:
Step (1):System initialization, preset in processor every one-level loading value, per one-level the quiet stopping time between with
And steady lotus presets error range.
Step (2):Processor controls loading transmission device to add electric pole according to the loading value set in advance progress first order
Lotus, during loading, the first displacement transducer and second displacement sensor detect that the displacement at electric pole pile foundation two ends is believed respectively
Number and amount of deflection sensor and load transducer dynamometer detect the amount of deflection information and load capacity of the head of the mast respectively and transmit
To processor.
Step (3):Loading is to loading value set in advance, subsequently between the quiet stopping time set in advance.
Step (4):Between the quiet stopping time set in advance, processor carries out automatic benefit lotus and automatic steady to loading transmission device
Lotus is in default error range.
Step (5):Into the automatic loading of next stage;The process of repeat step (3)-(5);
Step (6):Judge whether it is afterbody loading value, if it is, terminating measurement.Processor is according to the letter received
Breath and Deflection Formula, obtain maximum defluxion and the output of electric pole;Otherwise return to step (5).
This method also includes:
1st, electric pole mechanics amount of deflection examining report template is prestored in the main frame being connected with processor, processor will be received
Data are sent to main frame, and correspondence preserves to electric pole mechanics amount of deflection examining report template generation electric pole mechanics amount of deflection examining report simultaneously
Output.
2nd, the information received is sent to cloud server through remote monitoring center server and stored by main frame, remotely
Monitor terminal real-time query corresponding data from cloud server.
3rd, processor is also cached the information transmission received to memory.
4th, when the load capacity or displacement signal that detect electric pole exceed corresponding predetermined threshold value, the early warning being connected with processor
Device carries out alarm.
Beneficial effects of the present invention are as follows:
The present invention detects the displacement letter at electric pole pile foundation two ends using the first displacement transducer and second displacement sensor respectively
Number and be sent to processor;During electric pole amount of deflection is detected, successive loading is carried out to electric pole using loading transmission device, and
And enter after the completion of every grade of loading between the quiet stopping time set in advance.Between the quiet stopping time set in advance, processor is passed to loading
Dynamic device carries out automatic benefit lotus and automatic steady lotus is in default error range.The present invention also uses the inspection of load transducer dynamometer
Loading transmission device is surveyed to the loading value of electric pole and processor is sent to;The displacement signal of the amount of deflection sensor detection head of the mast is simultaneously
It is sent to processor;Last processor is used to, according to the information and Deflection Formula received, obtain the maximum defluxion of electric pole
And export, the detector can be realized from the full-automatic processing of Monitoring Data collection is loaded to, and with the energy is saved, reduce production
Cost, improves the advantage of operating efficiency.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not constitute the improper restriction to the application.
Fig. 1 is Full-automatic cement electric pole mechanics deflection check-up device structural representation.
Fig. 2 is the detection method flow chart of Full-automatic cement electric pole mechanics deflection check-up device.
Wherein, 1. amount of deflection sensor, 2. first displacement transducers, 3. second displacement sensors, 4. load transducer dynamometry
Instrument, 5. loading transmission devices, 6. processors.
Embodiment
It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Fig. 1 is Full-automatic cement electric pole mechanics deflection check-up device structural representation.
Full-automatic cement electric pole mechanics deflection check-up device as shown in Figure 1, of the invention, including:
1st, installed in the first displacement transducer of A points 1 and installed in B point second displacements sensor 3.Two displacement transducers are used
In gather examine when 2 points of A, B displacement data and be sent to processor 6;
2nd, loading transmission device 5, it is installed on the top of electric pole and is connected with processor 6;The loading transmission device 5 is used
In detect electric pole amount of deflection during, to electric pole carry out successive loading, and after the completion of every grade of loading enter preset
The quiet stopping time between.Between the quiet stopping time set in advance, processor 6 carries out mending lotus and automatic steady lotus automatically to loading transmission device 5
In default error range;
3rd, load transducer dynamometer 4, it is connected with loading transmission device 5, for detecting loading transmission device 5 to electric pole
Loading value be sent to processor 6;
4th, amount of deflection sensor 1, it is arranged on the head of the mast, for detecting the displacement signal of the head of the mast and being sent to processing
Device 6;The processor 6 is used to, according to the information and Deflection Formula received, obtain maximum defluxion and the output of electric pole.
Wherein, Deflection Formula is:
asi=aCi-ll(aAi+aBi)/l2+aAi
In formula:
asi--- when cantilevered is tested, the top end deflection value under any level load action, unit is millimeter (mm);
aCi--- the deformation values of top end under any level load action measured by measuring instrument, unit is millimeter (mm);
aAi--- the deformation values of A measuring points under any level load action measured by measuring instrument, unit is millimeter (mm);
aBi--- the deformation values of B measuring points under any level load action measured by measuring instrument, unit is millimeter (mm);
ll--- electric pole calculates total length, and unit is millimeter (mm);
l2--- electric pole supports point height, and unit is millimeter (mm).
Wherein, ll=L=L1+L2+L3, wherein, L2、L1、L3Distance, B fulcrums respectively at electric pole lowermost end to B fulcrums
Locate distance, the distance of C fulcrums to electric pole top to C fulcrums.
First displacement transducer 2 and second displacement sensor 3 are connected by wire with processor 6 respectively.
Loading transmission device 5 is connected with processor 6 by wire or wireless communication module.
Wireless communication module is Wifi wireless communication modules or Zigbee wireless communication modules.
In a particular embodiment, the first displacement transducer 2, second displacement sensor 3, amount of deflection sensor 1, load transducer
Dynamometer 4 and loading transmission device 5 are existing structure, will be not repeated herein.
In the present embodiment, electric pole pile foundation two ends are detected using the first displacement transducer and second displacement sensor respectively
Displacement signal is simultaneously sent to processor;During electric pole amount of deflection is detected, carried out step by step to electric pole using loading transmission device
Loading, and enter after the completion of every grade of loading between the quiet stopping time set in advance;Within the quiet stopping time set in advance, processor
Automatic benefit lotus is carried out to loading transmission device and automatic steady lotus is in default error range;Also utilize the inspection of load transducer dynamometer
Survey loading transmission device and processor is sent to the loading value of electric pole;The displacement signal and biography of the amount of deflection sensor detection head of the mast
Deliver to processor;Last processor is used to, according to the information and Deflection Formula received, obtain the maximum defluxion of electric pole simultaneously
Output, the detector can realize that, with the energy is saved, reduction is produced into from the full-automatic processing of Monitoring Data collection is loaded to
This, improves the advantage of operating efficiency.
In another embodiment, processor is also connected with main frame, and main frame is also connected with remote monitoring center server.
Remote monitoring center server also cloud server is connected, and the cloud server is connected with remote monitoring terminal.
Wherein, remote monitoring terminal is PC ends or mobile phone terminal.
The main frame of the present invention is also connected with remote monitoring center server, remote monitoring center server also cloud server
It is connected, cloud server is connected with remote monitoring terminal, for realizing the remote monitoring of Monitoring Data and checking.
In another embodiment, processor of the invention is also connected with memory, and the memory is used for cache processor
The information received.Wherein, memory is FLASH memory.
The processor of the present invention is also connected with memory, the information received using memory buffer processor.
In another embodiment, processor is also connected with alarm, and the alarm is used for load or amount of deflection to electric pole
Alarm is carried out during more than corresponding predetermined threshold value.
The processor of the present invention is also connected with alarm, the load or amount of deflection of electric pole is exceeded using alarm corresponding default
Alarm is carried out during threshold value.
Fig. 2 is the detection method flow chart of Full-automatic cement electric pole mechanics deflection check-up device.
As shown in Fig. 2 a kind of detection method of Full-automatic cement electric pole mechanics deflection check-up device of the present invention, including:
Step (1):System initialization, preset in processor every one-level loading value, per one-level the quiet stopping time between with
And steady lotus presets error range.
Specifically, three-level loading, respectively first order loading, second level loading and the third level are preset in processor
Loading,
The loading value of first order loading, second level loading and third level loading is respectively a, b and c, wherein, a, b and c difference
For positive number;Between the quiet stopping time of first order loading, second level loading and third level loading be respectively t1, t2 and t3, wherein, t1, t2
With t3 respectively in seconds, and be positive integer;It is ± 0.02 that steady lotus, which presets error range,.
When electric pole is detected, per one-level loading after, lotus need to be held and preset between the quiet stopping time, subordinate's loading could be carried out, preset
, it is necessary to which load added after stable keeps constant in the quiet stopping time.
Step (2):Processor controls loading transmission device to add electric pole according to the loading value set in advance progress first order
Lotus, during loading, the first displacement transducer and second displacement sensor detect that the displacement at electric pole pile foundation two ends is believed respectively
Number and amount of deflection sensor and load transducer dynamometer detect that the amount of deflection information and load capacity of the head of the mast are sent to respectively
Processor.
Step (3):Loading is to loading value set in advance, subsequently between the quiet stopping time set in advance;
Step (4):Between the quiet stopping time set in advance, processor carries out automatic benefit lotus and automatic steady to loading transmission device
Lotus is in default error range.
What it is due to inspection is electric pole mechanical property, in electric pole stress, matches somebody with somebody influential point of tendons with stress in electric pole, reaches certain
During force value, reinforcing bar meeting occurred sequence becomes, and added load shows that numeral can be reduced, and " mechanics numerical difference must not surpass national regulations
Cross ± 0.02 " be less than load numerical value when system will automatic start, carry out benefit lotus, mend to setting load when can be automatically stopped, it is complete
Into a benefit lotus program.
Step (5):Into the automatic loading of next stage;The process of repeat step (3)-(5);
Step (6):Judge whether it is afterbody loading value, if it is, terminating measurement, processor is according to the letter received
Breath and Deflection Formula, obtain maximum defluxion and the output of electric pole;Otherwise return to step (5).
Wherein, Deflection Formula is:
asi=aCi-ll(aAi+aBi)/l2+aAi
In formula:
asi--- when cantilevered is tested, the top end deflection value under any level load action, unit is millimeter (mm);
aCi--- the deformation values of top end under any level load action measured by measuring instrument, unit is millimeter (mm);
aAi--- the deformation values of A measuring points under any level load action measured by measuring instrument, unit is millimeter (mm);
aBi--- the deformation values of B measuring points under any level load action measured by measuring instrument, unit is millimeter (mm);
ll--- electric pole calculates total length, and unit is millimeter (mm);
l2--- electric pole supports point height, and unit is millimeter (mm);
Wherein, ll=L=L1+L2+L3, wherein, L2、L1、L3Distance, B fulcrums respectively at electric pole lowermost end to B fulcrums
Locate distance, the distance of C fulcrums to electric pole top to C fulcrums.
In another embodiment, this method also includes:Electric pole mechanics amount of deflection is also prestored in the main frame being connected with processor
The data received are sent to main frame by examining report template, processor, and correspondence is preserved to electric pole mechanics amount of deflection examining report mould
Electric pole mechanics amount of deflection examining report is generated in plate and is exported.
In another embodiment, this method also includes:Main frame is also by the information received through remote monitoring center server
It is sent to cloud server to be stored, remote monitoring terminal real-time query corresponding data from cloud server.
In another embodiment, this method also includes:Processor is also delayed the information transmission received to memory
Deposit.
In another embodiment, this method also includes:When the load capacity or displacement signal that detect electric pole exceed accordingly in advance
If during threshold value, the precaution device being connected with processor carries out alarm.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deform still within protection scope of the present invention that creative work can make.
Claims (10)
1. a kind of Full-automatic cement electric pole mechanics deflection check-up device, it is characterised in that including:
First displacement transducer and second displacement sensor, it is separately mounted to the two ends of electric pole pile foundation, for detecting electricity respectively
The displacement signal at bar pile foundation two ends is simultaneously sent to processor;And
Loading transmission device, it is installed on the top of electric pole and is connected with processor;The loading transmission device is used in detection
During electric pole amount of deflection, successive loading is carried out to electric pole, and into the quiet stopping time set in advance after the completion of every grade of loading
Between;Between the quiet stopping time set in advance, processor carries out automatic benefit lotus to loading transmission device and automatic steady lotus is in default error
In the range of;And
Load transducer dynamometer, it is connected with loading transmission device, for detecting loading value of the loading transmission device to electric pole
It is sent to processor;And
Amount of deflection sensor, it is arranged on the head of the mast, for detecting the displacement signal of the head of the mast and being sent to processor;It is described
Processor is used to, according to the information and maximum defluxion calculation formula received, obtain maximum defluxion and the output of electric pole.
2. a kind of Full-automatic cement electric pole mechanics deflection check-up device as claimed in claim 1, it is characterised in that the processor
Also it is connected with main frame, the main frame is also connected with remote monitoring center server.
3. a kind of Full-automatic cement electric pole mechanics deflection check-up device as claimed in claim 2, it is characterised in that the long-range prison
Control central server also cloud server to be connected, the cloud server is connected with remote monitoring terminal.
4. a kind of Full-automatic cement electric pole mechanics deflection check-up device as claimed in claim 1, it is characterised in that the processor
Also it is connected with memory, the memory is used to cache the information that the processor is received.
5. a kind of Full-automatic cement electric pole mechanics deflection check-up device as claimed in claim 1, it is characterised in that the processor
Also it is connected with alarm, the alarm is used to report when exceeding corresponding predetermined threshold value to the load capacity or displacement signal of electric pole
Alert prompting.
6. a kind of detection method of Full-automatic cement electric pole mechanics deflection check-up device as any one of claim 1-5,
It is characterised in that it includes:
Step (1):System initialization, presets between every one-level loading value, the quiet stopping time per one-level and steady in processor
Lotus presets error range;
Step (2):Processor controls loading transmission device to carry out first order loading according to loading value set in advance to electric pole,
During loading, the first displacement transducer and second displacement sensor detect respectively electric pole pile foundation two ends displacement signal and
Amount of deflection sensor and load transducer dynamometer detect that the amount of deflection information and load capacity of the head of the mast are sent to processor respectively;
Step (3):Loading is to loading value set in advance, subsequently between the quiet stopping time set in advance;
Step (4):Between the quiet stopping time set in advance, processor carries out automatic benefit lotus to loading transmission device and automatic steady lotus exists
In default error range;
Step (5):Into the automatic loading of next stage;The process of repeat step (3)-(5);
Step (6):Judge whether it is afterbody loading value, if it is, terminate measurement, processor according to the information received and
Maximum defluxion calculation formula, obtains maximum defluxion and the output of electric pole;Otherwise return to step (5).
7. the detection method of Full-automatic cement electric pole mechanics deflection check-up device as claimed in claim 6, it is characterised in that the party
Method also includes:Electric pole load deflexion examining report template is also prestored in the main frame being connected with processor, processor will be received
Data be sent to main frame, correspondence, which is preserved, generates electric pole load deflexion examining report to electric pole load deflexion examining report template
And export.
8. the detection method of Full-automatic cement electric pole mechanics deflection check-up device as claimed in claim 7, it is characterised in that the party
Method also includes:The information received is also sent to cloud server through remote monitoring center server and stored by main frame, far
Range monitoring terminal real-time query corresponding data from cloud server.
9. the detection method of Full-automatic cement electric pole mechanics deflection check-up device as claimed in claim 6, it is characterised in that the party
Method also includes:Processor is also cached the information transmission received to memory.
10. the detection method of Full-automatic cement electric pole mechanics deflection check-up device as claimed in claim 6, it is characterised in that should
Method also includes:When the load capacity or displacement signal that detect electric pole exceed corresponding predetermined threshold value, what is be connected with processor is pre-
Alert device carries out alarm.
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CN109406298A (en) * | 2017-12-15 | 2019-03-01 | 国网福建省电力有限公司莆田供电公司 | A kind of composite material electric pole mechanical test method and its experimental rig |
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CN109342216B (en) * | 2018-09-27 | 2024-02-20 | 国网宁夏电力有限公司电力科学研究院 | Concrete pole mechanical property detecting system |
CN109743400A (en) * | 2019-01-17 | 2019-05-10 | 温州宏伟建设有限公司 | One kind being used for municipal works reflection wave method device |
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