CN110228689A - A kind of mine belt conveyor comprehensive protector qualification test platform - Google Patents
A kind of mine belt conveyor comprehensive protector qualification test platform Download PDFInfo
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- CN110228689A CN110228689A CN201910622370.1A CN201910622370A CN110228689A CN 110228689 A CN110228689 A CN 110228689A CN 201910622370 A CN201910622370 A CN 201910622370A CN 110228689 A CN110228689 A CN 110228689A
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- 238000012360 testing method Methods 0.000 title claims abstract description 127
- 238000012797 qualification Methods 0.000 title claims abstract description 23
- 230000001012 protector Effects 0.000 title claims abstract description 16
- 239000003245 coal Substances 0.000 claims description 23
- 239000000779 smoke Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000001681 protective effect Effects 0.000 abstract description 8
- 230000009471 action Effects 0.000 description 6
- 235000013569 fruit product Nutrition 0.000 description 6
- 238000000528 statistical test Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013095 identification testing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
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- Control Of Conveyors (AREA)
Abstract
The invention discloses a kind of mine belt conveyor comprehensive protector qualification test platforms; belong to mine belt conveyor field; including testing stand ontology; the testing stand ontology is equipped with power switch; testing stand ontology is equipped with voltmeter, and working sensor indicator light and working sensor instructed voltage are installed on testing stand ontology, and testing stand ontology is equipped with touch display screen; testing stand ontology is equipped with lead terminal, and testing stand ontology is connected to by lead terminal with test sensor.The present invention provides a conveniently tool for full-time maintenance personal, improve the efficiency to comprehensive protective device for belt machine trouble hunting, avoid the risk of underground work, improves the safety of work.It is easy to operate, it is easy to upper hand.
Description
Technical field
The present invention relates to a kind of mine belt conveyor testing field, specifically a kind of mine belt conveyor comprehensive protector identification
Testing stand.
Background technique
Mining coal belt conveyer is by the main tool of the Coal Transport of underground coal mine exploitation to ground, to entire fortune
Defeated safety, efficiency have great influence.And mine belt conveyor comprehensive protector qualification test platform is as belt-conveying
Machine predominantly detect and monitor and control mechanism, carry belt feeder performance, control real time monitoring, fault alarm, safety transport
Defeated main task.
Mine belt conveyor comprehensive protector qualification test platform, which is used as, is uniquely able to detect and judges that a whole set of belt feeder is comprehensive
The authority for closing protective device is able to detect comprehensive protective device for belt machine various kinds of sensors and integrated belt machine protection master
Quality and the fault point of machine, watering electromagnet and emergency stop control button facilitate machine maintenance maintenance personnel quick and precisely to judge event
Hinder position.
Underground coal mine mainly relies on comprehensive protective device for belt machine itself function protect to belt feeder at present,
Do not judge that the various kinds of sensors of comprehensive protective device for belt machine and the quality of host when a failure occurs can only clearly
It is that maintenance personal goes into the well and checks, troubleshooting is carried out by master board of replacement various kinds of sensors or host etc., for dimension
The personnel of repairing increase workload and increase the degree of danger of underground work.And comprehensive protective device for belt machine qualification test platform
Specially solves the problems, such as this.When maintenance personal does not know some sensor quality, it can be removed and be taken on well in fact
It tests room to measure, it is only necessary to connect power supply, can show the quality of sensor or mainboard in qualification test platform.When
When sensor breaks down, region and the component of damage can be prompted, service personnel provides maintenance voucher for maintenance.Thus
It can quickly judge whether to damage and damage position.Quickly investigation failure and judgement quality.It only needs to change or to correlation
Damage element is replaced, and is reinstalled.Improve the efficiency and safety of underground work.
Summary of the invention
For existing problem, the purpose of the present invention is to provide a kind of mine belt conveyor comprehensive protector qualification tests
Platform, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of mine belt conveyor comprehensive protector qualification test platform, including testing stand ontology, on the testing stand ontology
Equipped with power switch, testing stand ontology is equipped with voltmeter, installs working sensor indicator light and sensor on testing stand ontology
Work instructed voltage, and testing stand ontology is equipped with touch display screen, and testing stand ontology is equipped with lead terminal, and testing stand ontology is logical
Lead terminal is crossed to be connected to test sensor.
As a further solution of the present invention: the test sensor includes coal site sensor, anti-deviation sensor, temperature
Sensor, velocity sensor, smoke sensor device, anti-tear sensor.
As a further solution of the present invention: the testing stand ontology is equipped with through conducting wire and watering solenoid valve, emergency stop
Button connection.
As a further solution of the present invention: being additionally provided with phonetic alarm on the testing stand ontology.
As a further solution of the present invention: the touch display screen is equipped with sensor fault guide button, comprehensive guarantor leads
Machine failure guide " button, electromagnet failure guide " button, coal site sensor testing button, the test of anti-deviation sensor " button,
Anti-deviation sensor test " button, velocity sensor test " button, smoke sensor device test " button, anti-tear sensor are surveyed
Examination " button.
Compared with prior art, the beneficial effects of the present invention are: the present invention for full-time maintenance personal to provide a convenience fast
Prompt tool, improves the efficiency to comprehensive protective device for belt machine trouble hunting, avoids the risk of underground work, improves
The safety of work.Coal mine can not judge the detection sensor of comprehensive protective device for belt machine and the quality of host at present,
The detection to sensor quality and the judgement of abort situation can be completed by this testing stand, provides one kind for service personnel
Thinking, the staff weaker to professional knowledge provide a demonstration guides effect.There is storage function to fault diagnosis
Can, there is traceability, user can constantly improve the content of diagnostic data base, easy-to-look-up.Experimental test can be carried out, to not
Using or the sensor that uses carry out experimental test, test its performance and anticipation side service life function.Entire display is adopted
Show that there is printing reports and analysis result export function with LCD colour.It is easy to operate, it is easy to upper hand.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of mine belt conveyor comprehensive protector qualification test platform.
In figure: 1, power switch, 2, voltmeter, 3, working sensor indicator light, 4, working sensor instructed voltage, 5,
Touch display screen, 6, lead terminal.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Have ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment one: referring to Fig. 1, a kind of mine belt conveyor comprehensive protector qualification test platform, including the test playscript with stage directions
Body, the testing stand ontology are equipped with power switch 1, and power switch 1 is responsible for the on-off of testing stand working power.
Testing stand ontology is equipped with voltmeter 2, and whether voltmeter 2 is used to indicate testing stand voltage normal.
Working sensor indicator light 3 and working sensor instructed voltage 4, working sensor instruction are installed on testing stand ontology
Lamp 3 is used to indicate the quality of sensor, and indicator light is bright when intact, and indicator light off when damage；Working sensor instructed voltage 4 is used
In instruction no matter the voltage value in the state of sensor quality, and then can further judge the good of sensor.
Testing stand ontology is equipped with touch display screen 5, and touch display screen 5 tests sensor for showing fault message
Method, parameter setting, fault point indicator light information.
Testing stand ontology is equipped with lead terminal 6, and lead terminal 6 is used to connect sensor and test by test cable
Platform.
Testing stand ontology is connected to by lead terminal 6 with test sensor, and test sensor includes coal site sensor, anti-race
Inclined sensor, temperature sensor, velocity sensor, smoke sensor device, anti-tear sensor, testing stand ontology are equipped with by leading
Line is connected with watering solenoid valve, scram button, facilitates guarantee safety.
It is additionally provided with phonetic alarm on testing stand ontology, when the faulty generation of phonetic alarm, various kinds of sensors is successively reported
Poster sound are as follows: coal site sensor: " belt coal piling "；Anti-deviation sensor: " belt deviation "；Anti-tear sensor: " belt is torn
It splits "；Velocity sensor: " belt slippage "；Temperature sensor: " belt overtemperature "；Smoke sensor device: " belt is smoldered " facilitates survey
The progress of examination.
Touch display screen 5 is equipped with sensor fault guide button, comprehensive guarantor's hostdown guide " button, electromagnet failure
Guide " button, coal site sensor testing button, the test of anti-deviation sensor " button, the test of anti-deviation sensor " button, speed
Sensor test " button, smoke sensor device test " button, the test of anti-tear sensor " button.
Click-sensor failure guide button, into sensor fault pathfinder picture.
Comprehensive guarantor's hostdown guide button is clicked, into comprehensive guarantor's hostdown pathfinder picture.
Electromagnet failure guide button is clicked, into electromagnet breakdown maintenance guide picture.
Coal site sensor testing button is clicked, coal site sensor test pictures are carried out.
Anti-deviation sensor test button is clicked, into anti-deviation sensor test pictures.
Temperature sensor testing button is clicked, into temperature sensor test pictures.
Click speed sensor test button, admission velocity sensor test pictures.
Smoke sensor device testing button is clicked, into smoke sensor device test pictures,
Anti-tear sensor test button is clicked, into anti-deviation sensor test pictures.
Embodiment two: this mine belt conveyor comprehensive protector qualification test platform is suitable for well on the basis of example 1
Upper environment is repaired suitable for coal mining machine electric-examination, staffs training etc..
Working principle of the present invention: connecting 220V power supply, when power supply indicator is bright, and voltage list index indicates 220V voltage,
Testing stand enters working condition.Test deck plate is reserved with the introducing interface of sensor, malfunction instruction and Test Identification
Parameter setting touch display screen.
(1) coal site sensor is tested
1) when coal site sensor predetermined interface, when not introducing sensor, input signal prompt input engineering noise.Meanwhile
Coal position indicator light sends out a warning.
2) when coal site sensor predetermined interface, when introducing sensor, input signal prompt input " effective ", while coal position refers to
Show that lamp becomes green from red, while number adds 1 automatically, is used for statistical test number.
3) under the premise of input signal prompt is effective, the setting testing time (default 30S).
4) " time setting " button is pressed, countdown number of seconds is effective.
5) " starting to test " button is pressed, starts to test the coal site sensor of access, count down time arrives, and passes through
PLC internal logic judgement, if fruit product is qualified, in " result judgement " appearance " qualification " printed words, otherwise without display.
6) " count and reset " button is pressed, " test counts " resets.
7) it clicks " return " and returns to main interface.
If 8) need Measurement of coal level sensor again, the corresponding pick up button of main interface need to be only clicked.
(2) anti-deviation sensor test
1) when anti-deviation sensor predetermined interface, when not introducing sensor, input signal prompt input engineering noise.Together
When, anti-deviation indicator light sends out a warning.
2) when anti-deviation sensor predetermined interface, when introducing sensor, input signal prompt input " effective ", while anti-race
Inclined indicator light becomes green from red, while number adds 1 automatically, is used for statistical test number.
3) under the premise of input signal prompt is effective, the setting testing time (default 30S).
4) " time setting " button is pressed, countdown number of seconds is effective.
5) " starting to test " button is pressed, starts to test the anti-deviation sensor of access, count down time arrives, warp
The judgement of PLC internal logic is crossed, if fruit product is qualified, in " result judgement " appearance " qualification " printed words, otherwise without display.
6) " count and reset " button is pressed, " test counts " resets.
7) it clicks " return " and returns to main interface.
If 8) anti-deviation sensor need to be measured again, the corresponding pick up button of main interface need to be only clicked.
(3) temperature sensor is tested
1) when temperature sensor predetermined interface, when not introducing sensor, input signal prompt input engineering noise.Meanwhile
Temperature indicator sends out a warning.
2) when temperature sensor predetermined interface, when introducing sensor, input signal prompt input " effective ", while temperature passes
Sensor indicator light becomes green from red, while number adds 1 automatically, is used for statistical test number.
3) under the premise of input signal prompt is effective, the setting testing time (default 30S).
4) " time setting " button is pressed, countdown number of seconds is effective.
5) " starting to test " button is pressed, starts to test the temperature sensor of access, count down time arrives, and passes through
PLC internal logic judgement, if fruit product is qualified, in " result judgement " appearance " qualification " printed words, otherwise without display.
6) " count and reset " button is pressed, " test counts " resets.
7) it clicks " return " and returns to main interface.
If 8) temperature sensor need to be measured again, the corresponding pick up button of main interface need to be only clicked.
9) " nominal action value " is sensor rated signal inverse values.It is set according to nameplate.It is initially set to 42 DEG C.
10) " real-time action value " is that sensor actual signal overturns corresponding temperature value.For determining that sensor probe is good
It is bad.
11) " real-time temperature values " are the environment real time temperature of sensor probe detection.
12) " the range upper limit, Lower Range " is the input range of sensor, is initially 0-100 DEG C.
13) " operating temperature " window is the temperature value that can be alarmed with real-time storage, facilitates inquiry.
(4) velocity sensor is tested
1) when velocity sensor predetermined interface, when not introducing sensor, input signal prompt input engineering noise.Meanwhile
Speed light sends out a warning.
2) when velocity sensor predetermined interface, when introducing sensor, input signal prompt input " effective ", while speed passes
Sensor indicator light becomes green from red, while number adds 1 automatically, is used for statistical test number.
3) under the premise of input signal prompt is effective, the setting testing time (default 30S).
4) " time setting " button is pressed, countdown number of seconds is effective.
5) " starting to test " button is pressed, starts to test the velocity sensor of access, count down time arrives, and passes through
PLC internal logic judgement, if fruit product is qualified, in " result judgement " appearance " qualification " printed words, otherwise without display.
6) " count and reset " button is pressed, " test counts " resets.
7) it clicks " return " and returns to main interface.
If 8) need measuring speed sensor again, the corresponding pick up button of main interface need to be only clicked.
9) " nominal action value " is sensor rated signal inverse values.It is set according to nameplate.It is initially set to 600r/min.
10) " real-time action value " is that sensor actual signal overturns corresponding velocity amplitude.For determining that sensor probe is good
It is bad.
11) " real-time speed value " is the real-time speed of sensor probe detection.
12) " the range upper limit, Lower Range " is the input range of sensor, is initially 0-10V.
13) " movement speed " window is the velocity amplitude that can be alarmed with real-time storage, facilitates inquiry.
(5) smoke sensor device is tested
1) when smoke sensor device predetermined interface, when not introducing sensor, input signal prompt input engineering noise.Meanwhile
Smog indicator light sends out a warning.
2) when smoke sensor device predetermined interface, when introducing sensor, input signal prompt input " effective ", while smog passes
Sensor indicator light becomes green from red, while number adds 1 automatically, is used for statistical test number.
3) under the premise of input signal prompt is effective, the setting testing time (default 30S).
4) " time setting " button is pressed, countdown number of seconds is effective.
5) " starting to test " button is pressed, starts to test the smoke sensor device of access, count down time arrives, and passes through
PLC internal logic judgement, if fruit product is qualified, in " result judgement " appearance " qualification " printed words, otherwise without display.
6) " count and reset " button is pressed, " test counts " resets.
7) it clicks " return " and returns to main interface.
If 8) smoke sensor device need to be measured again, the corresponding pick up button of main interface need to be only clicked.
9) " nominal action value " is sensor rated signal inverse values.It is set according to nameplate.It is initially set to 1000-
10000ppm。
10) " real-time action value " is that sensor actual signal overturns corresponding smokescope value.For determining that sensor is visited
Head quality.
11) " Real-time Smoke value " is the Real-time Smoke concentration of sensor probe detection.
12) " the range upper limit, Lower Range " is the input range of sensor, is initially 0-10V.
13) " movement smog " window is the smokescope value that can be alarmed with real-time storage, facilitates inquiry.
(6) anti-tear sensor test pictures
1) when anti-tear sensor predetermined interface, when not introducing sensor, input signal prompt input engineering noise.Together
When, anti-tear indicator light sends out a warning.
2) when anti-tear sensor predetermined interface, when introducing sensor, input signal prompt input " effective ", while preventing tearing
Splitting indicator light becomes green from red, while number adds 1 automatically, is used for statistical test number.
3) under the premise of input signal prompt is effective, the setting testing time (default 30S).
4) " time setting " button is pressed, countdown number of seconds is effective.
5) " starting to test " button is pressed, starts to test the anti-tear sensor of access, count down time arrives, warp
The judgement of PLC internal logic is crossed, if fruit product is qualified, in " result judgement " appearance " qualification " printed words, otherwise without display.
6) " count and reset " button is pressed, " test counts " resets.
7) it clicks " return " and returns to main interface.
If 8) anti-tear sensor need to be measured again, the corresponding pick up button of main interface need to be only clicked.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of mine belt conveyor comprehensive protector qualification test platform, including testing stand ontology, which is characterized in that including test
Playscript with stage directions body, the testing stand ontology are equipped with power switch (1), and testing stand ontology is equipped with voltmeter (2), on testing stand ontology
Working sensor indicator light (3) and working sensor instructed voltage (4) are installed, testing stand ontology is equipped with touch display screen
(5), testing stand ontology is equipped with lead terminal (6), and testing stand ontology is connected to by lead terminal (6) with test sensor.
2. according to mine belt conveyor comprehensive protector qualification test platform described in claim (1), which is characterized in that the survey
Trying sensor includes coal site sensor, anti-deviation sensor, temperature sensor, velocity sensor, smoke sensor device, anti-tear biography
Sensor.
3. according to mine belt conveyor comprehensive protector qualification test platform described in claim (1), which is characterized in that the examination
It tests playscript with stage directions body and is equipped with and connected by conducting wire and sprinkle water solenoid valve, scram button.
4. according to mine belt conveyor comprehensive protector qualification test platform described in claim (1), which is characterized in that the examination
It tests on playscript with stage directions body and is additionally provided with phonetic alarm.
5. according to mine belt conveyor comprehensive protector qualification test platform described in claim (1), which is characterized in that the touching
Display screen (5) are touched equipped with sensor fault guide button, comprehensive guarantor's hostdown guide " button, electromagnet failure guide " it presses
Button, coal site sensor testing button, the test of anti-deviation sensor " button, the test of anti-deviation sensor " button, velocity sensor
Test " button, smoke sensor device test " button, the test of anti-tear sensor " button.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910622370.1A CN110228689A (en) | 2019-07-05 | 2019-07-05 | A kind of mine belt conveyor comprehensive protector qualification test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910622370.1A CN110228689A (en) | 2019-07-05 | 2019-07-05 | A kind of mine belt conveyor comprehensive protector qualification test platform |
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| Publication Number | Publication Date |
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| CN110228689A true CN110228689A (en) | 2019-09-13 |
Family
ID=67855333
Family Applications (1)
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| CN201910622370.1A Pending CN110228689A (en) | 2019-07-05 | 2019-07-05 | A kind of mine belt conveyor comprehensive protector qualification test platform |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202245194U (en) * | 2011-06-23 | 2012-05-30 | 宿州中矿三杰科技有限公司 | Comprehensive protecting and monitoring device for networked belt conveyor |
| CN103454514A (en) * | 2012-06-01 | 2013-12-18 | 安徽恒源煤电股份有限公司 | Test bed of belt conveyer comprehensive protector |
| CN203386400U (en) * | 2013-06-24 | 2014-01-08 | 安徽省皖北煤电集团有限责任公司百善煤矿 | Integrated practice training bench device for mine maintenance electrician |
| CN107515313A (en) * | 2017-09-06 | 2017-12-26 | 长春中车轨道车辆有限公司 | City rail vehicle velocity sensor Detecting data and detection method |
| CN108093208A (en) * | 2016-11-19 | 2018-05-29 | 梁长棠 | A kind of fire trace tube pathfinder device |
| US10179704B1 (en) * | 2018-03-17 | 2019-01-15 | Finetek Co., Ltd. | Warning device of abnormal operation of belt conveyor |
| KR20190019774A (en) * | 2017-08-18 | 2019-02-27 | 현대제철 주식회사 | Preventing overload apparatus for belt conveyor |
-
2019
- 2019-07-05 CN CN201910622370.1A patent/CN110228689A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202245194U (en) * | 2011-06-23 | 2012-05-30 | 宿州中矿三杰科技有限公司 | Comprehensive protecting and monitoring device for networked belt conveyor |
| CN103454514A (en) * | 2012-06-01 | 2013-12-18 | 安徽恒源煤电股份有限公司 | Test bed of belt conveyer comprehensive protector |
| CN203386400U (en) * | 2013-06-24 | 2014-01-08 | 安徽省皖北煤电集团有限责任公司百善煤矿 | Integrated practice training bench device for mine maintenance electrician |
| CN108093208A (en) * | 2016-11-19 | 2018-05-29 | 梁长棠 | A kind of fire trace tube pathfinder device |
| KR20190019774A (en) * | 2017-08-18 | 2019-02-27 | 현대제철 주식회사 | Preventing overload apparatus for belt conveyor |
| CN107515313A (en) * | 2017-09-06 | 2017-12-26 | 长春中车轨道车辆有限公司 | City rail vehicle velocity sensor Detecting data and detection method |
| US10179704B1 (en) * | 2018-03-17 | 2019-01-15 | Finetek Co., Ltd. | Warning device of abnormal operation of belt conveyor |
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Address after: 277000 No.61 Jinhe commercial street, Changzhuang street, Xuecheng District, Zaozhuang City, Shandong Province Applicant after: Zaozhuang and Shunda Electromechanical Technology Co.,Ltd. Address before: 277000 south of 650m West Road of provincial highway 348 Yuantong paper industry, Changzhuang Town, Xuecheng District, Zaozhuang City, Shandong Province Applicant before: ZAOZHUANG HESHUNDA ELECTROMECHANICAL EQUIPMENT CO.,LTD. |
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Application publication date: 20190913 |