CN105603142A - Blast furnace baiting gate flashboard driving mechanism, and flashboard corner detection device and method - Google Patents
Blast furnace baiting gate flashboard driving mechanism, and flashboard corner detection device and method Download PDFInfo
- Publication number
- CN105603142A CN105603142A CN201610145727.8A CN201610145727A CN105603142A CN 105603142 A CN105603142 A CN 105603142A CN 201610145727 A CN201610145727 A CN 201610145727A CN 105603142 A CN105603142 A CN 105603142A
- Authority
- CN
- China
- Prior art keywords
- blast furnace
- flashboard
- rotating shaft
- encoder
- blanking lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
Abstract
The invention provides a blast furnace baiting gate flashboard driving mechanism, and a flashboard corner detection device and method. The blast furnace baiting gate flashboard is driven by a crank using a rotating shaft as a driving joint. The blast furnace baiting gate flashboard corner detection device comprises an encoder matched with the rotating shaft, wherein the encoder is electrically connected with a controller; the encoder is a rotary encoder; the controller is a PLC (programmable logic controller); the encoder is mounted by a mounting mechanism; the mounting mechanism comprises a flange, an extension shaft which is coaxially mounted on the rotating shaft, and a rigid connection shaft which is coaxially connected with the extension shaft; the rigid connection shaft is coaxially connected with the rotating shaft of the encoder; the encoder is mount on a flange; and the flange is provided with a mounting bracket which is used for mounting the flange onto the blast furnace body. The flashboard corner detection device is convenient for demounting and maintaining the baiting gate, can implement dynamic detection on the baiting gate flashboard operating angle, and can enhance the detection precision on the blast furnace baiting gate flashboard corner.
Description
Technical field
The present invention relates to blast furnace top equipment control field, specifically a kind of blast furnace blanking lock flashboard driving mechanism, flashboard rotation angle detecting apparatus and method.
Background technology
At present, blanking lock (belonging to blast furnace top equipment) is metallurgy industry, such as being one of visual plant in ironmaking production processing line, is mainly used in the material stream of batch can to regulate, to meet the cloth requirement of distributing device.
Existing blanking lock is conventionally by its flashboard control material stream. When use, the flashboard of blanking lock carries out the corresponding rotation of respective angles under the effect of extraneous driving mechanism, with conducting with close described batch can internal channel, and meet the cloth requirement of distributing device.
Wherein, in the prior art, above-mentioned extraneous driving mechanism (be and crank arm) generally includes hydraulic cylinder, drive link and rotating shaft, one end of drive link is hinged on flashboard, the other end of described drive link and the piston rod of described hydraulic cylinder are rotationally connected by a rotating shaft, and described power transmission shaft and hydraulic cylinder form one by rotating shaft and drive with cranking arm. When use, hydraulic cylinder drives its piston rod stretching motion, thereby drives rotating shaft to rotate, and then drives flashboard to do reciprocating rotation by drive link, thus conducting and close described batch can internal channel, to meet the cloth requirement of distributing device.
In the process of blanking lock action, need to carry out detection of dynamic to the aperture of blanking lock flashboard, operating personnel, according to the aperture data that detect, adjust the aperture of flashboard, in time to ensure that blast furnace raw material enters the uniformity of stove. If deviation appears in the Measuring opening of flashboard, operating personnel cannot make adjustment scientifically and rationally in time, and then cannot ensure that blast furnace raw material enters the accurate of stove. Aperture data deviation for a long time, very easily to raw material, the reasonable layout in State of Blast Furnace makes a very bad impression, and causes charge level in State of Blast Furnace to occur that large area departs from, and then affects conditions of blast furnace stable operation, causes serious economic loss.
At present, the angle that conventionally uses selsyn to carry out blanking lock flashboard detects, and exists following not enough:
One, selsyn and blanking lock are installed together, and selsyn and the run-in synchronism of blanking lock are calculated the aperture of blanking lock flashboard, the dismounting of inconvenient blanking lock and maintenance with the signal that its detects;
Two, in use, often there is the phenomenon because of the vibration lossing signal of blanking brake apparatus in selsyn;
Three, the precision of selsyn self is not high enough, the accuracy that impact detects.
This is the deficiencies in the prior art part.
Summary of the invention
Technical problem to be solved by this invention is, for the deficiencies in the prior art, to provide a kind of blast furnace blanking lock flashboard driving mechanism, flashboard rotation angle detecting apparatus and method, for improving convenience and the accuracy of detection to blast furnace blanking lock flashboard roll angle inspection.
For solving the problems of the technologies described above, the invention provides a kind of blast furnace blanking lock flashboard rotation angle detecting apparatus, described blast furnace blanking lock flashboard drives by cranking arm taking rotating shaft as driving joint, comprises the encoder being used in conjunction with described rotating shaft, and described encoder is electrically connected with a controller.
Described encoder is rotary encoder.
Described controller is PLC controller.
Described encoder is installed by installing mechanism, described installing mechanism comprise ring flange, for be coaxially arranged on outrigger shaft in described rotating shaft and with the described coaxial rigid connecting shaft being connected of outrigger shaft, described rigid connecting shaft is connected with the rotating shaft coaxle of described encoder; Described encoder is arranged on described ring flange, and described ring flange is provided with for ring flange being arranged on to the mounting bracket on blast furnace.
Described mounting bracket comprises the first installing rack and the second installing rack, and the first described installing rack and one end of the second installing rack are arranged on described ring flange, and described the first installing rack and the second installing rack are all L-type.
Described rigid connecting shaft is coaxially connected by flexible connector with the rotating shaft of described encoder.
Described rigid connecting shaft is coaxially connected by cutting ferrule with described outrigger shaft.
The present invention also provides a kind of blast furnace blanking lock flashboard driving mechanism, comprise that hydraulic cylinder, rotating shaft and one end are for being hinged on the kinematic link on blast furnace blanking lock flashboard, the other end of described kinematic link and the piston rod of described hydraulic cylinder are rotationally connected by described rotating shaft, and described kinematic link and hydraulic cylinder form one by rotating shaft and crank arm; On this blast furnace blanking lock flashboard driving mechanism, be equipped with above-mentioned blast furnace blanking lock flashboard rotation angle detecting apparatus, the encoder of described blast furnace blanking lock flashboard rotation angle detecting apparatus and described rotating shaft are used in conjunction with.
The present invention also provides a kind of blast furnace blanking lock flashboard angle detection method, uses for the blast furnace blanking lock driving by cranking arm taking rotating shaft as driving joint, comprises step:
Step s1, by the rotation information of rotating shaft described in encoder Real-time Collection, and gathered information is sent to a controller in real time;
The rotation information of the described rotating shaft that step s2, described controller receive in real time based on it, calculates the corner of blast furnace blanking lock flashboard.
Wherein, described cranking arm comprises that hydraulic cylinder, rotating shaft and one end are for being hinged on the kinematic link on blast furnace blanking lock flashboard, and the other end of described kinematic link and the piston rod of described hydraulic cylinder are rotationally connected by described rotating shaft.
Compared with prior art, the invention has the advantages that:
The present invention can overcome the deficiency of bringing in selsyn use procedure in prior art, is not only convenient to dismounting and the maintenance of blanking lock, can also realize the detection of dynamic to blanking lock flashboard operating angle, and can improve the precision to blast furnace blanking lock flashboard roll angle inspection. Simple in structure, be convenient to realize, comparatively practical.
As can be seen here, the present invention compared with prior art, has outstanding substantive distinguishing features and significant progressive, and the beneficial effect of its enforcement is also apparent.
Brief description of the drawings
Fig. 1 is the structural representation of blast furnace blanking lock flashboard rotation angle detecting apparatus of the present invention.
Wherein: 1 is encoder, 2 is ring flange, and 3 is bolt, and 4 is the first installing rack, and 5 is the second installing rack, and 6 is rotating shaft, and 7 is flexible connector, and 8 is rigid connecting shaft, and 9 is the thin bore end of cutting ferrule, and 10 is the thick bore end of cutting ferrule, and 11 is outrigger shaft, and 12 is cutting ferrule.
Detailed description of the invention
For making technical scheme of the present invention and advantage clearer, below in conjunction with accompanying drawing of the present invention, technical scheme of the present invention is clearly and completely described.
As shown in Figure 1, a kind of blast furnace blanking lock flashboard rotation angle detecting apparatus of the present invention, described blast furnace blanking lock flashboard drives by cranking arm taking rotating shaft as driving joint, comprises the encoder 1 being used in conjunction with described rotating shaft, and described encoder 1 is electrically connected with a controller. Described encoder 1 is rotary encoder, and described controller is PLC controller.
In the present embodiment, described encoder 1 is installed by installing mechanism, described installing mechanism comprise ring flange 2, for be coaxially arranged on outrigger shaft 11 in described rotating shaft and with the described coaxial rigid connecting shaft being connected 8 of outrigger shaft 11, described rigid connecting shaft 8 is coaxially connected with the rotating shaft 6 of described encoder 1; Described encoder 1 is arranged on described ring flange 2 by fixed screw, and described ring flange 2 is provided with for ring flange 2 is arranged on to the mounting bracket on blast furnace, and described ring flange 2 is arranged on described mounting bracket by bolt. When use, described mounting bracket is vertically mounted on blast furnace.
Wherein, the use of above-mentioned ring flange 2, makes the installation of encoder 1 more firm, location is more accurate, not only increased service life of the application, is also convenient to the replacing of encoder 1, comparatively practical to a great extent. In addition, the use of above-mentioned mounting bracket, has further guaranteed the fastness that encoder 1 is installed, and this has further increased the application's service life to a certain extent.
Wherein, for making the installation of encoder 1 more stable, described mounting bracket comprises that one end of the first installing rack 4 and the second installing rack 5, the first installing racks 4 and the second installing rack 5 is installed on described ring flange 2, and described the first installing rack 4 and the second installing rack 5 are all L-type. When use, the two ends of described ring flange 2 are respectively arranged on blast furnace by the installing rack described in, and stability is relatively high.
Wherein, for the vibrations of avoiding being rigidly connected and bringing, and for making transmission process more steady, described rigid connecting shaft 8 is coaxially connected by flexible connector 7 with the rotating shaft 6 of described encoder 1, described rigid connecting shaft 8 is coaxially connected by cutting ferrule 12 with described outrigger shaft 11. Wherein, be fixedly connected with the rigid connecting shaft 8 of respective ends and the rotating shaft 6 of encoder 1 by housing pin respectively at flexible connector 7 two ends, be screwed respectively the rigid connecting shaft 8 and outrigger shaft 11 that connect respective ends at the two ends of cutting ferrule 12, install firmly.
When work, the action of cranking arm, drives the action of blast furnace blanking lock flashboard, and then the rotation of the drive rotating shaft identical with flashboard rotational angle, and then drive outrigger shaft 11 and follow rotation with the coaxial rigid connecting shaft being connected 8 of this outrigger shaft 11 and rotating shaft 6; The rotating shaft 6 of encoder 1 rotates, the signal that encoder 1 changes, and the signal of the variation of its generation is passed to controller in real time, controller carries out corresponding calculation process to this signal receiving, calculate the angle of the current actual rotation of flashboard, and then be convenient to follow-up use.
Wherein, blast furnace blanking lock flashboard rotation angle detecting apparatus of the present invention is arranged on blanking lock a side and blanking lock while use are not identical platform, thereby be convenient to dismounting and the maintenance of blanking lock, also be convenient to dismounting and the maintenance of blast furnace blanking lock flashboard rotation angle detecting apparatus of the present invention, also avoid to a great extent the generation of mechanical resonance phenomenon, also increased the flexibility that the present invention uses.
In addition, the present invention carries out the detection of blast furnace blanking lock flashboard corner angle by encoder 1, not only can realize the detection of dynamic (blast furnace blanking lock flashboard corner angle is detected in real time) to blanking lock flashboard operating angle, and this device is easy for installation, dismantle freely, be easy to maintenance, and improve compared to selsyn the precision of measuring.
The present invention also provides a kind of blast furnace blanking lock flashboard driving mechanism, comprise that hydraulic cylinder, rotating shaft and one end are for being hinged on the kinematic link on blast furnace blanking lock flashboard, the other end of described kinematic link and the piston rod of described hydraulic cylinder are rotationally connected by described rotating shaft, and described kinematic link and hydraulic cylinder form one by rotating shaft and crank arm. This is cranked arm is also the above-mentioned a kind of detailed description of the invention of cranking arm taking rotating shaft as driving joint.
In addition, on described blast furnace blanking lock flashboard driving mechanism, be equipped with blast furnace blanking lock flashboard rotation angle detecting apparatus as above, the encoder 1 of described blast furnace blanking lock flashboard rotation angle detecting apparatus is used in conjunction with described rotating shaft, and described encoder 1 is installed by above-mentioned installing mechanism. This blast furnace blanking lock flashboard driving mechanism is equipped with above-mentioned blast furnace blanking lock flashboard rotation angle detecting apparatus, has the effect of above-mentioned blast furnace blanking lock flashboard rotation angle detecting apparatus, does not repeat them here.
In addition, this blast furnace blanking lock flashboard driving mechanism is equipped with above-mentioned blast furnace blanking lock flashboard rotation angle detecting apparatus, make blast furnace blanking lock flashboard driving mechanism there is the function of real-time detection blast furnace blanking lock flashboard corner, thereby overcome the deficiency of blast furnace blanking lock flashboard driving mechanism function singleness in prior art, and then be convenient to improve the precision that blast furnace blanking lock flashboard driving mechanism drives above-mentioned flashboard control material to flow, comparatively practical.
In addition, the present invention also provides a kind of blast furnace blanking lock flashboard angle detection method, uses for the blast furnace blanking lock driving by cranking arm taking rotating shaft as driving joint, comprises step:
Step s1, by the rotation information of rotating shaft described in encoder Real-time Collection, and gathered information is sent to a controller in real time;
The rotation information of the described rotating shaft that step s2, described controller receive in real time based on it, calculates the corner of blast furnace blanking lock flashboard.
Wherein, in this blast furnace blanking lock flashboard angle detection method, described cranks arm described in above-mentioned blast furnace blanking lock flashboard rotation angle detecting apparatus and blast furnace blanking lock flashboard driving mechanism, does not repeat them here.
In addition, this method is by the rotation information of rotating shaft described in encoder Real-time Collection, and gathered information is sent to a controller in real time, the rotation information of the described rotating shaft that this controller receives in real time based on it, calculate the corner of blast furnace blanking lock flashboard, can realize the detection of dynamic to blanking lock flashboard operating angle, improve compared to selsyn the precision detecting. No matter and what use this detection method is device, mechanism or system, all both can be convenient to it and realize the real-time detection to blast furnace blanking lock flashboard corner, can improve to a certain extent again its precision to blast furnace blanking lock flashboard roll angle inspection, and also can reduce production costs to a certain extent, comparatively practical.
Above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned embodiments, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment technical scheme of the present invention.
Claims (10)
1. a blast furnace blanking lock flashboard rotation angle detecting apparatus, described blast furnace blanking lock flashboard drives by cranking arm taking rotating shaft as driving joint, it is characterized in that, comprise the encoder being used in conjunction with described rotating shaft, described encoder is electrically connected with a controller.
2. blast furnace blanking lock flashboard rotation angle detecting apparatus according to claim 1, is characterized in that, described encoder is rotary encoder.
3. blast furnace blanking lock flashboard rotation angle detecting apparatus according to claim 2, is characterized in that, described controller is PLC controller.
4. according to the blast furnace blanking lock flashboard rotation angle detecting apparatus described in claim 2 or 3, it is characterized in that, described encoder is installed by installing mechanism, described installing mechanism comprise ring flange, for be coaxially arranged on outrigger shaft in described rotating shaft and with the described coaxial rigid connecting shaft being connected of outrigger shaft, described rigid connecting shaft is connected with the rotating shaft coaxle of described encoder; Described encoder is arranged on described ring flange, and described ring flange is provided with for ring flange being arranged on to the mounting bracket on blast furnace.
5. blast furnace blanking lock flashboard rotation angle detecting apparatus according to claim 4, it is characterized in that, described mounting bracket comprises the first installing rack and the second installing rack, the first described installing rack and one end of the second installing rack are arranged on described ring flange, and described the first installing rack and the second installing rack are all L-type.
6. blast furnace blanking lock flashboard rotation angle detecting apparatus according to claim 4, is characterized in that, described rigid connecting shaft is coaxially connected by flexible connector with the rotating shaft of described encoder.
7. blast furnace blanking lock flashboard rotation angle detecting apparatus according to claim 4, is characterized in that, described rigid connecting shaft is coaxially connected by cutting ferrule with described outrigger shaft.
8. a blast furnace blanking lock flashboard driving mechanism, comprise that hydraulic cylinder, rotating shaft and one end are for being hinged on the kinematic link on blast furnace blanking lock flashboard, the other end of described kinematic link and the piston rod of described hydraulic cylinder are rotationally connected by described rotating shaft, and described kinematic link and hydraulic cylinder form one by rotating shaft and crank arm; It is characterized in that, on described blast furnace blanking lock flashboard driving mechanism, be equipped with the blast furnace blanking lock flashboard rotation angle detecting apparatus described in Arbitrary Term in claim 1-6, the encoder of described blast furnace blanking lock flashboard rotation angle detecting apparatus and described rotating shaft are used in conjunction with.
9. a blast furnace blanking lock flashboard angle detection method, uses for the blast furnace blanking lock driving by cranking arm taking rotating shaft as driving joint, it is characterized in that, comprises step:
Step s1, by the rotation information of rotating shaft described in encoder Real-time Collection, and gathered information is sent to a controller in real time;
The rotation information of the described rotating shaft that step s2, described controller receive in real time based on it, calculates the corner of blast furnace blanking lock flashboard.
10. blast furnace blanking lock flashboard angle detection method according to claim 9, it is characterized in that, described cranking arm comprises that hydraulic cylinder, rotating shaft and one end are for being hinged on the kinematic link on blast furnace blanking lock flashboard, and the other end of described kinematic link and the piston rod of described hydraulic cylinder are rotationally connected by described rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610145727.8A CN105603142A (en) | 2016-03-15 | 2016-03-15 | Blast furnace baiting gate flashboard driving mechanism, and flashboard corner detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610145727.8A CN105603142A (en) | 2016-03-15 | 2016-03-15 | Blast furnace baiting gate flashboard driving mechanism, and flashboard corner detection device and method |
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| Publication Number | Publication Date |
|---|---|
| CN105603142A true CN105603142A (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610145727.8A Pending CN105603142A (en) | 2016-03-15 | 2016-03-15 | Blast furnace baiting gate flashboard driving mechanism, and flashboard corner detection device and method |
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| CN (1) | CN105603142A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87200579U (en) * | 1987-01-24 | 1988-03-02 | 冶金工业部北京钢铁设计研究总院 | Bell-furnace top numerically controlled stuff-flow adjusting device for shaft furnace to use up stuff |
| CN201785421U (en) * | 2010-08-23 | 2011-04-06 | 四川省川威集团有限公司 | Blast furnace distribution control system |
| CN203112857U (en) * | 2012-12-30 | 2013-08-07 | 南阳汉冶特钢有限公司 | Rotating burden distribution equipment at top of blast furnace |
| CN103555873A (en) * | 2013-11-18 | 2014-02-05 | 武汉钢铁(集团)公司 | Adjusting method of material flow adjusting valve on furnace top |
| CN104694685A (en) * | 2015-02-28 | 2015-06-10 | 北京首钢自动化信息技术有限公司 | System and method for controlling angle of blast furnace throttle valve through redundancy detection |
-
2016
- 2016-03-15 CN CN201610145727.8A patent/CN105603142A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87200579U (en) * | 1987-01-24 | 1988-03-02 | 冶金工业部北京钢铁设计研究总院 | Bell-furnace top numerically controlled stuff-flow adjusting device for shaft furnace to use up stuff |
| CN201785421U (en) * | 2010-08-23 | 2011-04-06 | 四川省川威集团有限公司 | Blast furnace distribution control system |
| CN203112857U (en) * | 2012-12-30 | 2013-08-07 | 南阳汉冶特钢有限公司 | Rotating burden distribution equipment at top of blast furnace |
| CN103555873A (en) * | 2013-11-18 | 2014-02-05 | 武汉钢铁(集团)公司 | Adjusting method of material flow adjusting valve on furnace top |
| CN104694685A (en) * | 2015-02-28 | 2015-06-10 | 北京首钢自动化信息技术有限公司 | System and method for controlling angle of blast furnace throttle valve through redundancy detection |
Non-Patent Citations (1)
| Title |
|---|
| 崔建荣: "浅谈旋转编码器在高炉炉顶的应用", 《科技风》 * |
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20180608 |