CN208979743U - Mine flight conveyer chain rupture monitoring device - Google Patents
Mine flight conveyer chain rupture monitoring device Download PDFInfo
- Publication number
- CN208979743U CN208979743U CN201821539091.6U CN201821539091U CN208979743U CN 208979743 U CN208979743 U CN 208979743U CN 201821539091 U CN201821539091 U CN 201821539091U CN 208979743 U CN208979743 U CN 208979743U
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- chain
- permanent magnet
- hall
- hall sensor
- monitoring device
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Abstract
A kind of mine flight conveyer chain rupture monitoring device, the chain rupture monitoring device is inserted into the intermediate channel plate of drag conveyor, in chain rupture monitoring device in the utility model, by the first permanent magnet, second permanent magnet, Hall pedestal, Hall element is all put together in stainless steel base, the chain rupture monitoring device is inserted directly into sensor special tooling, such design had both been able to satisfy the requirement for facilitating installation, duplicate protection is realized to the chain rupture monitoring device simultaneously, it is hardly damaged the chain rupture monitoring device, using the first hall sensor, second hall sensor detects left side chain respectively, right side chain, and first first permanent magnet in hall sensor or the second hall sensor, the end polarity that second permanent magnet is oppositely arranged is opposite, complete Distribution of Magnetic Field can be formed, magnetic conductive board can shield interference of the chain to magnetic field, it protects The effective identification for demonstrate,proving flat ring and vertical ring, solves the state that can only detect scraper plate in the prior art, precision is low, the technical bottleneck of poor reliability.
Description
Technical field
The utility model relates to mine flight conveyer equipment technical field, in particular to a kind of mine flight conveyer is disconnected
Chain monitoring device.
Background technique
Can drag conveyor be the important equipment of coal mine conveying operation, reliably run the peace for being directly related to mine
Overall height effect production.Working face choppy when drag conveyor works, the size of coal amount is with coal-getter in the actual production of underground
Make the variation of noodles part and change, the load for resulting in conveyer in this way is complicated and changeable.If this bad working environments are frequently and long
Phase exists, then chain must bear the shock loading of huge alternation repeatedly.In the work of the shock loading of this alternation repeatedly
Under, chain is easy to generate low-cycle fatigue, weld cracking, even results in chain rupture accident.Meanwhile chain uses a period of time
Afterwards, as chain link pitch constantly increases, chain relaxation will also result in heap chain, card chain, or even chain rupture accident, especially bottom occur
Chain chain rupture, processing accident need 4-16h, and occupancy working hour is long, seriously affect the Homes Using TV of working face, and handle accident labor intensity
Greatly.
Application No. is 200620012363.8 Chinese patents to propose monitoring scheme, and the right that the program requires is to scrape
The bracket parallel with scraper plate and mounted thereto close to switch is installed above plate.The program above scraper plate the problem is that pacify
Bracket is filled, coal stream is directly hindered and passes through, bracket and the impact close to switch directly by coal cinder and spoil be easy to cause and ruin
It is bad.The program only supports detection cochain road scraper plate simultaneously, does not support the detection road chain Ji Xialian scratch board machine chain.
Application No. is 201110052986.3 Chinese patents to propose a kind of detection device of scraper conveyor scraper.It should
Device is the left and right ledge installation permanent magnet in drag conveyor, installs Hall element in middle plate.The program the problem is that
The left and right ledge of the middle pan of scraper conveyor and middle plate need to be transformed again after cutting, and detection device form solidifies after transformation, no
It can modify, intermediate channel integral strength is a greater impact, while the program only supports detection scraper plate.
Application No. is 201621402128.1 Chinese patents to propose a kind of drag conveyor chain rupture monitoring device.The dress
Setting is the recessing on intermediate section groove for opening clearstory plate, and is installed at Hall sensor, permanent magnet, magnetic conductive rod and signal in groove
Manage plate, shell nylon material.The program is easy by iron material around the problem is that single magnet magnetic field strength itself is weak
It influences, causes plate to be packed into Hall element after intermediate channel puts in a skylight and be not felt by the variation in magnetic field, to fail.
Summary of the invention
In view of this, in view of the above deficiencies, it is necessary to propose that a kind of energy detection accuracy is high, be hardly damaged, replace easily
Mine flight conveyer chain rupture monitoring device.
A kind of mine flight conveyer chain rupture monitoring device, the chain rupture monitoring device are inserted into sensor special tooling, should
Sensor special tooling is inserted into the intermediate channel plate of drag conveyor, which includes stainless steel base, first
Hall sensor, the second hall sensor, the stainless steel base are the at T-shaped prolate body in section, the first hall sensor, the
Two hall sensors are spaced apart from each other certain distance and are mounted on stainless steel base, in the first hall sensor, the second hall sensor
The stainless steel base of corresponding position is equipped with the first mounting groove, and first hall sensor includes the first permanent magnet, second forever
Magnet, Hall pedestal, Hall element, magnetic conductive board, the first permanent magnet, the second permanent magnet are built in the first hall sensor position respectively
The both ends of corresponding first mounting groove are set, the end polarity that the first permanent magnet, the second permanent magnet are oppositely arranged is on the contrary, Hall pedestal
Also it is built in the first mounting groove, and is placed in the middle position of the first permanent magnet, the second permanent magnet, the Hall pedestal is one
The piece of stainless steel that the second mounting groove is set in a, is fixedly installed with Hall element, the notch lid of the first mounting groove in the second mounting groove
Conjunction has magnetic conductive board, the first permanent magnet, the second permanent magnet, Hall pedestal, Hall element is packaged in the first mounting groove, magnetic conduction
Plate is directed toward the upper chain setting of left side chain, and the magnetic conductive board is fixedly connected with stainless steel base by fastening bolt, and described the
Two hall sensors and the first hall sensor structure having the same, and be installed on stainless steel base in an identical manner,
Distance between the distance between first hall sensor, second hall sensor and drag conveyor left side chain, right side chain
Equal, the first hall sensor is located between the uplink section chain of left side chain, downlink section chain, and the of the first hall sensor
One permanent magnet, the second permanent magnet are located at the two sides of downlink section chain, to form small range in the two sides of downlink section chain, be exclusively used in
The closed magnetic field of downlink section chain, the second hall sensor are located between the uplink section chain of right side chain, downlink section chain, the
The first permanent magnet, the second permanent magnet of two hall sensors are located at the two sides of downlink section chain, in the two sides of downlink section chain
The closed magnetic field for forming small range, being exclusively used in downlink section chain.
Preferably, which further includes cable connector, and the cable connector is fixedly installed in stainless steel
The end of matrix is equipped with cabling channel in stainless steel base, and the cabling channel is arranged along stainless steel base length direction, cabling channel
It is connected to the second mounting groove, power supply line is equipped in cabling channel, Hall element is connect by power supply line with cable connector, in cabling
Signal wire is equipped in slot, Hall element is connect by signal wire with signal processor.
Preferably, it is filled with sealant in second mounting groove, to fix Hall element, be sealed in the second peace
In tankage.
In chain rupture monitoring device in the utility model, by the first permanent magnet, the second permanent magnet, Hall pedestal, Hall member
Part is all put together in stainless steel base, which is inserted directly into sensor special tooling, such to set
Meter had both been able to satisfy the requirement for facilitating installation, while realizing duplicate protection to the chain rupture monitoring device, made the chain rupture monitoring device not
It is easy to damage, left side chain, right side chain are detected respectively using the first hall sensor, the second hall sensor, and first suddenly
The end polarity that the first permanent magnet, the second permanent magnet are oppositely arranged in that inductor or the second hall sensor is on the contrary, can form
Complete Distribution of Magnetic Field, magnetic field strength are high, and magnetic conductive board can shield interference of the chain to magnetic field, guarantee the effective of flat ring and vertical ring
Identification, solves the state that can only detect scraper plate in the prior art, precision is low, the technical bottleneck of poor reliability.
Detailed description of the invention
Fig. 1 is the top view of the mine flight conveyer chain rupture monitoring device.
Fig. 2 is mine flight conveyer chain rupture monitoring device described in Fig. 1 along A-A sectional view.
Fig. 3 is mine flight conveyer chain rupture monitoring device described in Fig. 1 along B-B sectional view.
In figure: chain rupture monitoring device 20, stainless steel base 21, cabling channel 211, the first hall sensor 22, the first permanent magnetism
Body 221, the second permanent magnet 222, Hall pedestal 223, Hall element 224, magnetic conductive board 225, the second hall sensor 23, cable connect
Connect device 24, left side chain 80, right side chain 90.
Specific embodiment
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Referring to Fig. 1 to Fig. 3, the utility model embodiment provides a kind of mine flight conveyer chain rupture monitoring device, should
Chain rupture monitoring device 20 is inserted into sensor special tooling, which is inserted into the intermediate channel plate of drag conveyor
In, which includes stainless steel base 21, the first hall sensor 22, the second hall sensor 23, stainless steel
Matrix 21 is the at T-shaped prolate body in section, and the first hall sensor 22, the second hall sensor 23 are spaced apart from each other certain distance peace
Mounted in stainless steel base 21, on the stainless steel base 21 of the first hall sensor 22,23 corresponding position of the second hall sensor
Equipped with the first mounting groove, the first hall sensor 22 includes the first permanent magnet 221, the second permanent magnet 222, Hall pedestal 223, suddenly
That element 224, magnetic conductive board 225, the first permanent magnet 221, the second permanent magnet 222 are built in 22 position of the first hall sensor respectively
The both ends of corresponding first mounting groove, the end polarity that the first permanent magnet 221, the second permanent magnet 222 are oppositely arranged is on the contrary, Hall
Pedestal 223 is also built in the first mounting groove, and is placed in the middle position of the first permanent magnet 221, the second permanent magnet 222, suddenly
Your pedestal 223 is the piece of stainless steel that the second mounting groove is set in one, is fixedly installed with Hall element 224 in the second mounting groove, the
The notch of one mounting groove is covered with magnetic conductive board 225, by the first permanent magnet 221, the second permanent magnet 222, Hall pedestal 223, suddenly
Your element 224 is packaged in the first mounting groove, and magnetic conductive board 225 is directed toward the upper chain setting of left side chain 80, magnetic conductive board 225 with not
Rust steel matrix 21 is fixedly connected by fastening bolt, the second hall sensor 23 and the knot having the same of the first hall sensor 22
Structure, and be installed on stainless steel base 21 in an identical manner, between the first hall sensor 22, the second hall sensor 23
It is equidistant between distance and drag conveyor left side chain 80, right side chain 90, the first hall sensor 22 is located at left side chain
Between the uplink section chain of item 80, downlink section chain, the first permanent magnet 221, the second permanent magnet 222 of the first hall sensor 22
Positioned at the two sides of downlink section chain, with the closed magnetic for forming small range in the two sides of downlink section chain, being exclusively used in downlink section chain
, the second hall sensor 23 is located between the uplink section chain of right side chain 90, downlink section chain, the second hall sensor 23
The first permanent magnet, the second permanent magnet be located at the two sides of downlink section chain, to form small range, specially in the two sides of downlink section chain
Closed magnetic field for downlink section chain.
Hall element 224 changes for detecting Hall voltage with the variation of magnetic field strength, and magnetic field is stronger, and voltage is higher,
When scraper plate passes through the first hall sensor 22, the second hall sensor 23, changes of magnetic field caused by scraper plate, so that the first permanent magnetism
Changes of magnetic field between body 221, the second permanent magnet 222, Hall element 224 export a voltage signal.Flat ring in chain and
The relatively caused changes of magnetic field of vertical ring is too small, and therefore, Hall element 224 cannot export the electricity for distinguishing flat ring and vertical ring in chain
Buckling cannot also identify the flat ring in chain and vertical ring.
In present embodiment, chain 80, right side chain 90 are respectively by the first hall sensor 22, the on the left of drag conveyor
Two hall sensors 23 detect, and first permanent magnet 221, second is forever in the first hall sensor 22 or the second hall sensor 23
The end polarity that magnet 222 is oppositely arranged between the first permanent magnet 221, the second permanent magnet 222 on the contrary, just can form complete
Distribution of Magnetic Field, the center between the first permanent magnet 221, the second permanent magnet 222 is arranged in Hall element 224, in left side chain
The position of item 80 and the center of right side chain 90 lower section has been respectively formed complete Distribution of Magnetic Field, detects and fills with chain rupture in the prior art
It sets and compares, magnetic field strength is high, and flat ring and vertical ring are since position, angle are different, and corresponding changes of magnetic field intensity is different, so that Hall
Element 224 can export different voltage signals, also set up magnetic conductive board 225 between the upper chain and lower chain of the same side chain, lead
Magnetic sheet 225 can shield interference of the chain to magnetic field, guarantee to the flat ring of downlink section chain and effective identification of vertical ring, for example,
Previous time point, upper chain are exactly flat ring, and lower chain is vertical ring, the latter time point, the exactly vertical ring of upper chain, lower chain
Item is flat ring, in this way, changes of magnetic field caused by the summation of former and later two time points, upper chain and lower chain is exactly like, is caused
The voltage signal that Hall element 224 exports is the same, and in this case, flat ring and vertical ring just cannot be distinguished from, and be based on above-mentioned set
Meter, scraper plate can only be detected in the prior art by solving, and detection accuracy is low, the technical bottleneck of poor reliability, so that drag conveyor
Chain rupture identification precision and reliability improve a height.
Following present the voltage for a Hall element 224 for using oscillograph to detect in a specific embodiment is defeated
It is worth out, according to the output of oscillograph as a result, the voltage value for the vertical ring that Hall element 224 exports is 3.0V, the voltage value of flat ring is
2.7V, scraper plate voltage value be 3.7V, and voltage value is 2.5V when passing through without object, illustrates that the chain rupture monitoring device 20 can be effective
Identify scraper plate, flat ring, vertical ring.
In the case where individual chain ruptures, by the first hall sensor 22, the second hall sensor 23 scraper plate quantity still
It is normal condition, conventional chain rupture monitoring device detects the state due to being only able to detect scraper plate, it just cannot detect chain rupture, because
This, conventional chain rupture monitoring device precision is low, poor reliability.Chain rupture monitoring device 20 can identify flat ring and stand in the utility model
Ring, in this case, by the first hall sensor 22, the flat ring of the second hall sensor 23 and vertical number of rings amount and normal condition
Under it is inconsistent, judge chain rupture so as to effect.
Chain rupture monitoring device 20 in present embodiment can directly insert as needed into drag conveyor intermediate channel insert
In plate, there is no hindering coal stream to pass through, do not need to be transformed used mine flight conveyer yet.
The first permanent magnet 221, the second permanent magnet 222, Hall pedestal in chain rupture monitoring device 20 in present embodiment
223, Hall element 224 is all put together in stainless steel base 21, make entire chain rupture monitoring device 20 form one it is whole
Body, the design of this complete envelop-type, can effective protection chain rupture monitoring device 20, and integral design can be directly by chain rupture
Monitoring device 20 is inserted into sensor special tooling, is further avoided the impact by coal cinder and spoil and is damaged, moreover it is possible to convenient
Replacement after the failure of chain rupture monitoring device 20.
In chain rupture monitoring device 20 in the utility model, by the first permanent magnet 221, the second permanent magnet 222, Hall pedestal
223, Hall element 224 is all put together in stainless steel base 21, which is inserted directly into dedicated sensing
In device tooling, such design had both been able to satisfy the requirement for facilitating installation, while realizing duplicate protection to the chain rupture monitoring device 20,
It is hardly damaged the chain rupture monitoring device 20, a left side is detected respectively using the first hall sensor 22, the second hall sensor 23
Side chain item 80, right side chain 90, and the first permanent magnet 221, second in the first hall sensor 22 or the second hall sensor 23
The end polarity that permanent magnet 222 is oppositely arranged is on the contrary, complete Distribution of Magnetic Field can be formed, and magnetic field strength is high, and magnetic conductive board 225 can shield
Interference of the chain to magnetic field is covered, guarantees effective identification of flat ring and vertical ring, scraper plate can only be detected in the prior art by solving
State, precision is low, the technical bottleneck of poor reliability.
Referring to Fig. 1, further, which further includes cable connector 24, the fixed peace of cable connector 24
End loaded on stainless steel base 21 is equipped with cabling channel 211 in stainless steel base 21, and cabling channel 211 is along stainless steel base 21
Length direction setting, cabling channel 211 are connected to the second mounting groove, and power supply line is equipped in cabling channel 211, and power supply line is first by Hall
Part 224 is connect with cable connector 24, and signal wire is equipped in cabling channel 211, and signal wire is by Hall element 224 and signal processing
Device connection.
Further, it is filled with sealant in the second mounting groove, to fix Hall element 224, be sealed in the second peace
In tankage.
Module or unit in the utility model embodiment device can be merged according to actual needs, divide and be deleted
Subtract.
Above disclosures are merely preferred embodiments of the utility model, the utility model cannot be limited with this certainly
Interest field, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to this reality
The equivalent variations made by novel claim, still falls within the scope of the utility model.
Claims (3)
1. a kind of mine flight conveyer chain rupture monitoring device, it is characterised in that: the chain rupture monitoring device is inserted into sensor special
In tooling, which is inserted into the intermediate channel plate of drag conveyor, which includes stainless steel
Matrix, the first hall sensor, the second hall sensor, the stainless steel base are the at T-shaped prolate body in section, the first Hall
Inductor, the second hall sensor are spaced apart from each other certain distance and are mounted on stainless steel base, the first hall sensor, second suddenly
The stainless steel base of your inductor corresponding position is equipped with the first mounting groove, and first hall sensor includes the first permanent magnetism
Body, the second permanent magnet, Hall pedestal, Hall element, magnetic conductive board, the first permanent magnet, the second permanent magnet are built in first suddenly respectively
The both ends of your corresponding first mounting groove of sensor location, the end polarity phase that the first permanent magnet, the second permanent magnet are oppositely arranged
Instead, Hall pedestal is also built in the first mounting groove, and is placed in the middle position of the first permanent magnet, the second permanent magnet, described
Hall pedestal is the piece of stainless steel that the second mounting groove is set in one, is fixedly installed with Hall element, the first peace in the second mounting groove
The notch of tankage is covered with magnetic conductive board, and the first permanent magnet, the second permanent magnet, Hall pedestal, Hall element are packaged in first
In mounting groove, magnetic conductive board is directed toward the upper chain setting of left side chain, and the magnetic conductive board and stainless steel base are solid by fastening bolt
Fixed connection, second hall sensor and the first hall sensor structure having the same, and be installed in an identical manner
On stainless steel base, the distance between the first hall sensor, second hall sensor and chain, right side on the left of drag conveyor
It is equidistant between chain, the first hall sensor is located between the uplink section chain of left side chain, downlink section chain, and first suddenly
The first permanent magnet, the second permanent magnet of your inductor are located at the two sides of downlink section chain, are formed with the two sides in downlink section chain
Small range, the closed magnetic field for being exclusively used in downlink section chain, the second hall sensor are located at the uplink section chain of right side chain, downlink
Between section chain, the first permanent magnet, the second permanent magnet of the second hall sensor are located at the two sides of downlink section chain, in downlink
The closed magnetic field that the two sides of section chain form small range, are exclusively used in downlink section chain.
2. mine flight conveyer chain rupture monitoring device as described in claim 1, it is characterised in that: the chain rupture monitoring device is also
Including cable connector, the cable connector is fixedly installed in the end of stainless steel base, is equipped with away in stainless steel base
Wire casing, the cabling channel are arranged along stainless steel base length direction, and cabling channel is connected to the second mounting groove, is equipped in cabling channel
Hall element is connect by power supply line, power supply line with cable connector, and signal wire is equipped in cabling channel, and signal wire is by Hall element
It is connect with signal processor.
3. mine flight conveyer chain rupture monitoring device as claimed in claim 2, it is characterised in that: in second mounting groove
It is inside filled with sealant, to fix, be sealed in the second mounting groove by Hall element.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821539091.6U CN208979743U (en) | 2018-09-20 | 2018-09-20 | Mine flight conveyer chain rupture monitoring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821539091.6U CN208979743U (en) | 2018-09-20 | 2018-09-20 | Mine flight conveyer chain rupture monitoring device |
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CN208979743U true CN208979743U (en) | 2019-06-14 |
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ID=66784859
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CN201821539091.6U Expired - Fee Related CN208979743U (en) | 2018-09-20 | 2018-09-20 | Mine flight conveyer chain rupture monitoring device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109051625A (en) * | 2018-09-20 | 2018-12-21 | 宁夏天地奔牛实业集团有限公司 | Mine flight conveyer chain rupture monitoring device |
CN109051627A (en) * | 2018-09-20 | 2018-12-21 | 宁夏天地奔牛实业集团有限公司 | Mine flight conveyer chain rupture monitoring signals processor |
CN109051626A (en) * | 2018-09-20 | 2018-12-21 | 宁夏天地奔牛实业集团有限公司 | Mine flight conveyer chain rupture monitors sensor |
-
2018
- 2018-09-20 CN CN201821539091.6U patent/CN208979743U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109051625A (en) * | 2018-09-20 | 2018-12-21 | 宁夏天地奔牛实业集团有限公司 | Mine flight conveyer chain rupture monitoring device |
CN109051627A (en) * | 2018-09-20 | 2018-12-21 | 宁夏天地奔牛实业集团有限公司 | Mine flight conveyer chain rupture monitoring signals processor |
CN109051626A (en) * | 2018-09-20 | 2018-12-21 | 宁夏天地奔牛实业集团有限公司 | Mine flight conveyer chain rupture monitors sensor |
CN109051627B (en) * | 2018-09-20 | 2024-02-02 | 宁夏天地奔牛实业集团有限公司 | Broken chain monitoring signal processor for mining scraper conveyor |
CN109051626B (en) * | 2018-09-20 | 2024-02-02 | 宁夏天地奔牛实业集团有限公司 | Broken chain monitoring sensor for mining scraper conveyor |
CN109051625B (en) * | 2018-09-20 | 2024-02-02 | 宁夏天地奔牛实业集团有限公司 | Broken chain monitoring device of mining scraper conveyor |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20190614 |