CN109752121A - A kind of heavy scraper conveyor sprocket wheel socket stress detection device - Google Patents
A kind of heavy scraper conveyor sprocket wheel socket stress detection device Download PDFInfo
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- CN109752121A CN109752121A CN201910192424.5A CN201910192424A CN109752121A CN 109752121 A CN109752121 A CN 109752121A CN 201910192424 A CN201910192424 A CN 201910192424A CN 109752121 A CN109752121 A CN 109752121A
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- foil gauge
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Abstract
A kind of heavy scraper conveyor sprocket wheel socket stress detection device, including bridge-type foil gauge group, data output collecting mechanism, battery, brush and slip-ring body；The bridge-type foil gauge group that surface is covered with protective film is pasted onto sprocket wheel socket；Slip-ring body is located at sprocket shaft end, and it includes shell, signal amplifier, A/D converter, data switch mouth and data collecting card that data, which export collecting mechanism,；Data output collecting mechanism and battery are located on sprocket shaft support base, and brush is packed on data output collecting mechanism shell；Brush is set there are four conductive brush head, and slip-ring body is set there are four conducting ring, and conductive brush head and conducting ring progressive contact cooperate；Battery is as bridge-type foil gauge group power supply；Bridge-type foil gauge group data conductor is connected by conducting ring, conductive brush head, signal amplifier, A/D converter, data switch mouth with data collecting card, and data collecting card storage stress data are passed through；Generator is fitted on sprocket shaft support base, generator is for charge the battery.
Description
Technical field
The invention belongs to drag conveyor technical fields, more particularly to a kind of heavy scraper conveyor sprocket wheel socket stress
Detection device.
Background technique
At this stage, coal mining constantly develops to digitlization, intelligence, unmanned direction, and fully-mechanized mining working is as existing
The key link of generationization coal mining work, the process of automation are always the direction that research is made great efforts in countries in the world.Heavy type is scraped
For plate conveyer as coal mine significant transportation equipment, the Contact stress between sprocket wheel and chain nest is very big, influences whether heavy type
The service life of drag conveyor.
Currently, for detecting the technology of stress at sprocket wheel socket still in blank, what most of research work was related to is all
The technology of tension between detection flight chain, and during chain link and sprocket engagement, due to by random load, polygon effect
It answers, the influence of the sprocket wheel socket doping factors such as material, it will usually with meshing impact power, engaging-in sliding, phenomena such as sliding is nibbled out,
And gap can be generated under the double action of heavy load and shock loading, between ring chain and sprocket, at the same time, in variable force heavy duty
Under lotus effect, sprocket wheel socket contact area meeting produce maximum stress, so that the chain nest contact area of chain drive system generates fatigue
Abrasion.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of heavy scraper conveyor sprocket wheel socket stress mornitoring dress
It sets, is realized for the first time to the stress mornitoring at heavy Chain Wheel of Flight Bar Conveyor chain nest, solve heavy scraper conveyor sprocket chain
The detection of fluctuating stress and data acquire problem at nest, have the spy that structure is simple and convenient to operate, testing result is intuitive and reliable
Point.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of heavy scraper conveyor sprocket wheel socket is answered
Force checking device, including bridge-type foil gauge group, data output collecting mechanism, battery, brush and slip-ring body；The bridge-type strain
The stickup of piece group is mounted in the chain nest of sprocket wheel, and conducting wire mounting hole is offered in sprocket wheel and sprocket shaft；The slip-ring body is packed in
The longitudinal center line of sprocket shaft end, slip-ring body and sprocket shaft coincides；The data output collecting mechanism includes shell, signal
Amplifier, A/D converter, data switch mouth and data collecting card；The signal amplifier, A/D converter, data switch mouth and
Data collecting card is respectively positioned in shell；The data output collecting mechanism and battery are packed on sprocket shaft support base, institute
Brush is stated to be packed on the shell of data output collecting mechanism；The matrix of the brush is insulating materials, on the matrix of brush
There are four conductive brush head, four conductive brush heads are denoted as 1. number brush head, 2. number brush head, 3. number brush head and 4. number brush head respectively for installation；
The matrix of the slip-ring body is insulating materials, and there are four conducting rings, four conducting rings to remember respectively for installation on the matrix of slip-ring body
For 1. number conducting ring, 2. number conducting ring, 3. number conducting ring and 4. number conducting ring；The current supply line of the bridge-type foil gauge group passes through
With 1. number conducting ring and 2. a number conducting ring is connected respectively after conducting wire mounting hole, and 1. number conducting ring cooperates with 1. number head contacts,
2. number conducting ring cooperates with 2. number head contacts, 1. number brush head and 2. a number brush head is connected to the battery by current supply line, electric power storage
Power supply of the pond as bridge-type foil gauge group；The data conductor of the bridge-type foil gauge group pass through conducting wire mounting hole after respectively with
3. number conducting ring is connected with a 4. number conducting ring, 3. number conducting ring cooperates with 3. number head contacts, 4. number conducting ring and 4. number brush
With 3. number brush head and 4. head is engaged, and by data conductor, a number brush head is connected the signal input part of signal amplifier respectively,
The signal output end of signal amplifier passes sequentially through A/D converter and data converting interface is connected with data collecting card, passes through data
Capture card storage stress data.
It is covered with protective film in the bridge-type foil gauge group upper surface, the moment of sprocket wheel Yu chain interannular is prevented by protective film
Impact force damages bridge-type foil gauge group.
Generator is fitted on sprocket shaft support base, generator is packed on sprocket shaft support base by electric machine support,
The motor shaft of generator is fixedly connected with sprocket shaft, and rectifier filter is equipped on generator, and the terminals of generator pass through whole
Stream filter is connected to the battery, and is charged by generator to battery.
Beneficial effects of the present invention:
Heavy scraper conveyor sprocket wheel socket stress detection device of the invention, realizes for the first time to heavy scraper conveyor
It is difficult to solve the detection of fluctuating stress and data acquisition at heavy scraper conveyor sprocket wheel socket for stress mornitoring at sprocket wheel socket
Topic, have the characteristics that structure be simple and convenient to operate, testing result it is intuitive and reliable.
Detailed description of the invention
Fig. 1 is a kind of perspective view of heavy scraper conveyor sprocket wheel socket stress detection device of the invention；
Fig. 2 be a kind of heavy scraper conveyor sprocket wheel socket stress detection device of the invention (generator, electric machine support and
Rectifier filter is not shown) front view；
Fig. 3 is the portion I enlarged drawing in Fig. 2；
In figure, 1-bridge-type foil gauge group, 2-data export collecting mechanism, 3-batteries, 4-brushes, 41-1. number brushes
Head, 42-2. number brush heads, 43-3. number brush heads, 44-4. number brush heads, 5-slip-ring bodies, 51-1. number conducting rings, 52-2. number lead
Electric ring, 53-3. number conducting rings, 54-4. number conducting rings, 6-sprocket wheels, 7-sprocket shafts, 8-conducting wire mounting holes, 9-sprocket shafts
Support base, 10-generators, 11-electric machine supports, 12-rectifier filters.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figures 1 to 3, a kind of heavy scraper conveyor sprocket wheel socket stress detection device, including bridge-type foil gauge group
1, data output collecting mechanism 2, battery 3, brush 4 and slip-ring body 5；The stickup of bridge-type foil gauge group 1 is mounted on sprocket wheel 6
In chain nest, conducting wire mounting hole 8 is offered in sprocket wheel 6 and sprocket shaft 7；The slip-ring body 5 is packed in 7 end of sprocket shaft, slip ring
Body 5 and the longitudinal center line of sprocket shaft 7 coincide；The data output collecting mechanism 2 includes shell, signal amplifier, A/D turns
Parallel operation, data switch mouth and data collecting card；The signal amplifier, A/D converter, data switch mouth and data collecting card are equal
In shell；The data output collecting mechanism 2 and battery 3 are packed on sprocket shaft support base 9, and the brush 4 is solid
On the shell of data output collecting mechanism 2；The matrix of the brush 4 is insulating materials, is equipped on the matrix of brush 4
Four conductive brush heads, four conductive brush heads are denoted as 1. number brush head 41,2. number brush head 42,3. number brush head 43 and 4. number brush head respectively
44；The matrix of the slip-ring body 5 is insulating materials, and there are four conducting ring, four conducting rings point for installation on the matrix of slip-ring body 5
It is not denoted as 1. number conducting ring 51,2. number conducting ring 52,3. number conducting ring 53 and 4. number conducting ring 54；The bridge-type foil gauge group 1
Current supply line with 1. number conducting ring 51 and 2. pass through after conducting wire mounting hole 8 that number conducting ring 52 is connected respectively, 1. number conducting ring
51 are engaged with 1. number brush head 41, and 2. number conducting ring 52 is engaged with 2. number brush head 42,1. number brush head 41 and 2. number brush head
42 are connected by current supply line with battery 3, power supply of the battery 3 as bridge-type foil gauge group 1；The bridge-type foil gauge
With 3. number conducting ring 53 and 4. the data conductor of group 1 passes through after conducting wire mounting hole 8 that number conducting ring 54 is connected respectively, 3. number conduction
Ring 53 is engaged with 3. number brush head 43, and 4. number conducting ring 54 is engaged with 4. number brush head 44, and the signal of signal amplifier is defeated
With 3. number brush head 43 and 4. entering end, number brush head 44 is connected respectively by data conductor, and the signal output end of signal amplifier is successively
It is connected by A/D converter and data converting interface with data collecting card, passes through data collecting card storage stress data.
It is covered with protective film in 1 upper surface of bridge-type foil gauge group, the wink of sprocket wheel 6 Yu chain interannular is prevented by protective film
Between impact force damage bridge-type foil gauge group 1.
Generator 10 is fitted on sprocket shaft support base 9, generator 10 is packed in sprocket shaft branch by electric machine support 11
It supports on seat 9, motor shaft and the sprocket shaft 7 of generator 10 are fixedly connected with, and rectifier filter 12, generator are equipped on generator 10
10 terminals are connected by rectifier filter 12 with battery 3, are charged by generator 10 to battery 3.
Illustrate first use process of the invention with reference to the accompanying drawing:
In chain link and 6 engagement process of sprocket wheel, chain link can generate moment punching to the bridge-type foil gauge group 1 at 6 chain nest of sprocket wheel
Power is hit, and leads to bridge-type foil gauge group 1 deformation occurs, to change the resistance value of bridge-type foil gauge group 1, bridge-type foil gauge group at this time
The voltage signal of 1 output, which also synchronizes, to change, and the voltage signal input signal first that bridge-type foil gauge group 1 exports amplifies
Device is amplified voltage signal by signal amplifier, and amplified voltage signal successively turns by A/D converter and data again
Interface is transmitted in data collecting card, is finally automatically converted into stress data in data collecting card and is saved；When heavy type is scraped
After plate conveyer works, heavy scraper conveyor is closed, reads the stress data stored in data collecting card.
In heavy scraper conveyor operational process, with the rotation of sprocket shaft 7, by the motor of synchronous drive generator 10
Axis rotation, the induced electromotive force generated by generator 10 form stable DC by the rectified action of rectifier filter 12,
And charge for battery 3, after battery 3 is full power state, battery 3 then stops charging, when the electricity of battery 3 is low
After 20%, then restore charged state again, to realize passive power supply.
The scope of patent protection that scheme in embodiment is not intended to limit the invention, it is all without departing from carried out by the present invention etc.
Effect implements or change, is both contained in the scope of the patents of this case.
Claims (3)
1. a kind of heavy scraper conveyor sprocket wheel socket stress detection device, it is characterised in that: including bridge-type foil gauge group, data
Export collecting mechanism, battery, brush and slip-ring body；The bridge-type foil gauge group stickup is mounted in the chain nest of sprocket wheel, in chain
Conducting wire mounting hole is offered in wheel and sprocket shaft；The slip-ring body is packed in sprocket shaft end, the axial direction of slip-ring body and sprocket shaft
Center line coincides；The data output collecting mechanism includes shell, signal amplifier, A/D converter, data switch mouth and number
According to capture card；The signal amplifier, A/D converter, data switch mouth and data collecting card are respectively positioned in shell；The data
Output collecting mechanism and battery are packed on sprocket shaft support base, and the brush is packed in the shell of data output collecting mechanism
On body；The matrix of the brush is insulating materials, and there are four conductive brush head, four conductive brush heads point for installation on the matrix of brush
It is not denoted as 1. number brush head, 2. number brush head, 3. number brush head and 4. number brush head；The matrix of the slip-ring body is insulating materials, in slip ring
There are four conducting rings, four conducting rings to be denoted as 1. number conducting ring, 2. number conducting ring, 3. number conducting ring respectively for installation on the matrix of body
And 4. number conducting ring；With 1. number conducting ring and 2. number the current supply line of the bridge-type foil gauge group passes through after conducting wire mounting hole respectively
Conducting ring is connected, and 1. number conducting ring cooperates with 1. number head contacts, and 2. number conducting ring cooperates with 2. number head contacts, 1. number brush
Head and 2. a number brush head is connected to the battery by current supply line, power supply of the battery as bridge-type foil gauge group；The bridge
With 3. number conducting ring and 4. the data conductor of formula foil gauge group passes through after conducting wire mounting hole that a number conducting ring is connected respectively, 3. number leads
Electric ring cooperates with 3. number head contacts, and 4. number conducting ring cooperates with 4. number head contacts, and the signal input part of signal amplifier is logical
With 3. number brush head and 4. crossing data conductor, a number brush head is connected respectively, and the signal output end of signal amplifier passes sequentially through A/D and turns
Parallel operation and data converting interface are connected with data collecting card, pass through data collecting card storage stress data.
2. a kind of heavy scraper conveyor sprocket wheel socket stress detection device according to claim 1, it is characterised in that:
The bridge-type foil gauge group upper surface is covered with protective film, prevents the instant impact of sprocket wheel and chain interannular from damaging by protective film
Bridge-type foil gauge group.
3. a kind of heavy scraper conveyor sprocket wheel socket stress detection device according to claim 1, it is characterised in that:
Generator is fitted on sprocket shaft support base, generator is packed on sprocket shaft support base by electric machine support, the electricity of generator
Arbor is fixedly connected with sprocket shaft, is equipped with rectifier filter on generator, the terminals of generator by rectifier filter with
Battery is connected, and is charged by generator to battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910192424.5A CN109752121A (en) | 2019-03-14 | 2019-03-14 | A kind of heavy scraper conveyor sprocket wheel socket stress detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910192424.5A CN109752121A (en) | 2019-03-14 | 2019-03-14 | A kind of heavy scraper conveyor sprocket wheel socket stress detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109752121A true CN109752121A (en) | 2019-05-14 |
Family
ID=66408665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910192424.5A Pending CN109752121A (en) | 2019-03-14 | 2019-03-14 | A kind of heavy scraper conveyor sprocket wheel socket stress detection device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323238A (en) * | 2013-07-18 | 2013-09-25 | 中国船舶重工集团公司第七�三研究所 | Sticking process method of strain gage for measuring gear stress |
| CN104229427A (en) * | 2014-09-26 | 2014-12-24 | 中国矿业大学 | Detection method for chain breakage of scraper conveyor |
| CN104655347A (en) * | 2013-11-21 | 2015-05-27 | 四川观想电子科技有限公司 | Digital display type multiplier wrench measuring system |
| CN105928653A (en) * | 2016-05-17 | 2016-09-07 | 中国矿业大学 | Scraper conveyer chain tension monitoring device and method |
| CN106404570A (en) * | 2016-09-26 | 2017-02-15 | 中国矿业大学 | Friction fatigue monitoring device and method of heavy-loading scraper conveyer chain wheels under vibration impact |
| CN206087005U (en) * | 2016-08-26 | 2017-04-12 | 昆明理工大学 | From electricity generation mountain bike device |
| CN209400108U (en) * | 2019-03-14 | 2019-09-17 | 辽宁工程技术大学 | A kind of heavy scraper conveyor sprocket wheel socket stress detection device |
-
2019
- 2019-03-14 CN CN201910192424.5A patent/CN109752121A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323238A (en) * | 2013-07-18 | 2013-09-25 | 中国船舶重工集团公司第七�三研究所 | Sticking process method of strain gage for measuring gear stress |
| CN104655347A (en) * | 2013-11-21 | 2015-05-27 | 四川观想电子科技有限公司 | Digital display type multiplier wrench measuring system |
| CN104229427A (en) * | 2014-09-26 | 2014-12-24 | 中国矿业大学 | Detection method for chain breakage of scraper conveyor |
| CN105928653A (en) * | 2016-05-17 | 2016-09-07 | 中国矿业大学 | Scraper conveyer chain tension monitoring device and method |
| CN206087005U (en) * | 2016-08-26 | 2017-04-12 | 昆明理工大学 | From electricity generation mountain bike device |
| CN106404570A (en) * | 2016-09-26 | 2017-02-15 | 中国矿业大学 | Friction fatigue monitoring device and method of heavy-loading scraper conveyer chain wheels under vibration impact |
| CN209400108U (en) * | 2019-03-14 | 2019-09-17 | 辽宁工程技术大学 | A kind of heavy scraper conveyor sprocket wheel socket stress detection device |
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