CN109883873A - A kind of side seal board fretting wear Detecting data and experimental method - Google Patents
A kind of side seal board fretting wear Detecting data and experimental method Download PDFInfo
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- CN109883873A CN109883873A CN201910237401.1A CN201910237401A CN109883873A CN 109883873 A CN109883873 A CN 109883873A CN 201910237401 A CN201910237401 A CN 201910237401A CN 109883873 A CN109883873 A CN 109883873A
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- 238000002474 experimental method Methods 0.000 title claims abstract description 20
- 238000012360 testing method Methods 0.000 claims abstract description 36
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 238000005299 abrasion Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 210000003464 cuspid Anatomy 0.000 claims 1
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The present invention relates to metallurgy rolling technical field more particularly to a kind of side seal board fretting wear Detecting data and experimental methods.Including side seal board pressing device, roll, roller rotational device, high-frequency inductor and pressure sensor；The roll is mounted on roller rotational device, and roller rotational device drives roller rotational, and high-frequency inductor heats roll；Side seal board pressing device is located at immediately ahead of roller rotational device, and side seal board is mounted on side seal board pressing device, and side seal board pressing device drives side seal board mobile to roll end face, compresses roll end face；Pressure sensor is contacted with side seal plate surface, coplanar with roll end face.Operation of the present invention is simple, is convenient for observation, realizes side seal board load, friction, the comprehensive detection being heated；Testing stand is easy to use, efficient work, can be applied in factory, detects the pressure that side seal board receives by sensor, realizes the prediction of side seal board service life.
Description
Technical field
The present invention relates to metallurgy rolling technical field more particularly to a kind of side seal board fretting wear Detecting data and experiments
Method.
Background technique
In strip casting process, the bad Cast Strip edge that will lead to of side seal generates burr, bleed-out, cold piece and defect.Strip casting process
Middle side seal board is directly contacted with roll, and with the rotation of roll, side seal board is easily worn, it is broken to squeeze, and occurs gap, generating first
A small amount of bleed-out, with regard to occurrence of large-area bleed-out, causes casting to interrupt once side seal board is squeezed broken.In addition side seal board lower part is by solidifying
Gu the extruding force of Cast Strip, if side seal board refractory material without enough intensity, hardness and toughness, also easily wear and squeeze it is broken,
Cause seal failure, cause molten steel from both ends side seal bottom leakage, with the rotation of roll, the damage of side seal board aggravates, leakage
It is increasing to cause bleed-out.
Effective side dam technology can guarantee good sealing performance, prevent burr and bleed-out.This is just to side seal board
Very high requirement is proposed, the heat resistance of side seal board will be got well, and heat distortion amount wants small, there must be good intensity, wear-resisting under high temperature
Property, toughness.
201320563001.8 disclosing a kind of oscillating bearing friction and wear tester, self-lubricating knuckle bearing is mainly studied
Frictional property；200710051619.5 disclosing a kind of multifunction friction wear testing machine, sintered carbide tools abrasion is mainly had studied
Measurement analysis, unpredictable service life.The correlation measured in the case of casting for side seal board fretting wear is not disclosed at present
The measuring study of technology, side seal board abrasion loss is significant, can provide for the prediction in side seal board service life during actual processing
Reference frame is of great significance.
Summary of the invention
The present invention provides a kind of side seal board fretting wear Detecting data and experimental methods.It is easy to operate, convenient for observation,
Realize side seal board load, friction, heated comprehensive detection.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
A kind of side seal board fretting wear Detecting data, including side seal board pressing device, roll, roller rotational device, height
Frequency inductor and pressure sensor；The roll is mounted on roller rotational device, and roller rotational device drives roller rotational,
High-frequency inductor heats roll；Side seal board pressing device is located at immediately ahead of roller rotational device, and side seal board is mounted on side
On sealing plate pressing device, side seal board pressing device drives side seal board mobile to roll end face, compresses roll end face；Pressure sensor
It is contacted with side seal plate surface, it is coplanar with roll end face.
The side seal board pressing device includes support plate, adjustable plate and hydraulic cylinder；Side seal board places support on the supporting plate
Plate is connected with adjustable plate, and adjustable plate is connected with hydraulic cylinder.
The roller rotational device includes motor, transmission device, bearing block, rolling ring and carrying roller；Roll one end is mounted on
On bearing block, rolling ring is mounted on the other end of roll, and carrying roller holds up rolling ring；Motor drives roller rotational by transmission device.
The transmission device includes shaft coupling, speed reducer, pinion gear and gear wheel；Motor passes through shaft coupling and speed reducer
It is connected, pinion gear is mounted on speed reducer output shaft, and pinion gear is engaged with gear wheel, and gear wheel is mounted on roll.
A kind of experimental method based on testing stand, specifically comprises the following steps:
Step 1: motor, speed reducer, bearing block, hydraulic cylinder is fixed on the table, successively by roll, pinion gear, big
Gear, high-frequency inductor, rolling ring are installed, and side seal board, support plate, adjustable plate and hydraulic cylinder are connected, and adjustment distance makes side
Sealing plate is contacted with roller surface, and pressure sensor is fixed on support frame, is contacted with side seal plate surface, total with roll end face
Face；
Step 2: opening pressure sensor, shows pressure Value Data, by COMPUTER DETECTION pressure Value Data, pass through
It adjusts hydraulic cylinder and adjusts pressure value, guarantee that pressure value is constant, pressure sensor detection range is -100.0~100.0kpa；
Step 3: opening high-frequency inductor, heating temperature is set, roll is heated to specified temperature using electromagnetic induction principle
Degree keeps temperature constant, feeds back fire data out by thermocouple and show on computers, if there is abnormal parameters, leads to
It crosses and heating device is turned off manually；
Step 4: starting motor, guarantees that motor firm power, motor driven gear start turning roll, roll and side
Sealing plate generates friction, starts timing, controls roller temperature at ± 5 DEG C；Whether experimenter's observation experiment platform has abnormal sound, if there is
Stop experiment at once, pays attention to the variation of pressure value during the experiment；
Step 5: stopping experiment after reaching setting test period, and test period is recorded, it is bright whether observation side seal board has
Aobvious abrasion is removed side seal board detection abrasion condition data and is recorded, if abrasion condition is unobvious if there is noticeable wear
Extend test period, extend 3~5 hours every time, observes result；
Step 6: requiring change test pressure, test temperature, test period and motor speed repeatedly to weigh according to different tests
Retrial is tested, and side seal board state of wear is recorded.
Compared with prior art, the beneficial effects of the present invention are:
Present invention seek to address that the forecasting problem in side seal board service life during actual wear, provide it is a kind of it is easy to operate,
Convenient for observation, testing stand that is safe and reliable, being capable of composite measurement, side seal board load, friction, heated comprehensive detection are realized.
Testing stand is easy to use, efficient work, can be applied in factory, detects the pressure that side seal board receives by sensor
Power realizes the prediction of side seal board service life.
Detailed description of the invention
Fig. 1 is testing stand schematic perspective view of the present invention；
Fig. 2 is test platform structure schematic front view of the present invention；
Fig. 3 is test platform structure diagrammatic side view of the present invention；
Fig. 4 is side seal board pressing device of the present invention and pressure sensor structure schematic front view；
Fig. 5 is side seal board, support plate and adjustable plate structural representation front view of the present invention；
Fig. 6 is side seal board, support plate and adjustable plate structural representation side view of the present invention；
Fig. 7 is side seal board, support plate and adjustable plate structural representation top view of the present invention；
Fig. 8 is experiment flow block diagram of the present invention.
In figure: 1- side seal board pressing device 2- roll 3- roller rotational device 4- high-frequency inductor 5- pressure sensor
6- support frame 7- workbench 11- side seal board 12- support plate 13- adjustable plate 14- hydraulic cylinder 21- motor 9- transmission device
23- bearing block 24- rolling ring 25- carrying roller 91- shaft coupling 92- speed reducer 93- pinion gear 94- gear wheel
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing:
As shown in figs. 1-7, a kind of side seal board fretting wear Detecting data, including side seal board pressing device 1, roll 2, roll
Roller rotating device 3, high-frequency inductor 4 and pressure sensor 5.High-frequency inductor 4 and pressure sensor 5 use existing product,
High-frequency inductor 4 uses GP-60A type high-frequency inductor, and pressure sensor 5 uses DP-101 type pressure sensor.
Side seal board pressing device 1 includes support plate 12, adjustable plate 13 and hydraulic cylinder 14.Side seal board 11 is placed on support plate 12
On, side seal board 11 can be replaced, and analyze convenient for the abrasion condition to unlike material side seal board.Support plate 12 and adjustable plate 13
It is connected, adjustable plate 13 is connected with hydraulic cylinder 14.Hydraulic cylinder 14 is flexible to drive side seal board 11 to be moved forward and backward.
Roller rotational device 2 includes motor 21, transmission device 9, bearing block 23, rolling ring 24 and carrying roller 25.Transmission device 9
Including shaft coupling 91, speed reducer 92, pinion gear 93 and gear wheel 94.The output shaft of motor 21 is connected with shaft coupling 91, shaft coupling
Device 91 is connected with the input shaft of speed reducer 92, and pinion gear 93 is mounted on 92 output shaft of speed reducer, pinion gear 93 and gear wheel 94
Engagement, gear wheel 94 are mounted on roll 2.The rotation of motor 21 drives pinion gear 93,2 synchronous rotary of gear wheel 94 and roll.
2 one end of roll is mounted on bearings, and bearing is mounted on bearing block 23, and rolling ring 24 is mounted on the other end of roll 2,
Carrying roller 25 is located at 24 lower part of rolling ring, and carrying roller 25 plays a supportive role to rolling ring 24, and carrying roller 25 holds up rolling ring 2.
The sensing part of high-frequency inductor 4 is looped around outside roll 2.Pressure sensor 5 is fixed on support frame 6, pressure
Sensor 5 is contacted with 11 surface of side seal board, coplanar with 2 end of roll.After hydraulic cylinder 14 starts, adjustable plate 13 and side seal board are driven
11 move forward, and press to roll 2, and after reaching the pressure value of setting, the feedback of pressure sensor 5 arrives hydraulic cylinder 14, hydraulic cylinder
14 stop working.
As shown in figure 8, a kind of experimental method based on testing stand, specifically comprises the following steps:
Step 1: Y100L1-4 motor 21, speed reducer 92, bearing block 23, hydraulic cylinder 14 is fixed on the table 7, according to
It is secondary to be installed roll 2, pinion gear 93, gear wheel 94, high-frequency inductor 4, rolling ring 24, by side seal board 11, support plate 12, adjust
Section plate 13 is connect with hydraulic cylinder 14, and adjustment distance contacts side seal board 11 with 2 surface of roll, and pressure sensor 5 is fixed on branch
On support 6, contacted with 11 surface of side seal board, it is coplanar with 2 end face of roll.
Step 2: opening pressure sensor 5, shows pressure Value Data, by COMPUTER DETECTION pressure Value Data, pass through
It adjusts hydraulic cylinder 14 and adjusts pressure value, guarantee that pressure value is constant, 5 detection range of pressure sensor is -100.0~100.0kpa；
Step 3: opening high-frequency inductor 4, heating temperature is set, is heated to specify by roll 2 using electromagnetic induction principle
Temperature keeps temperature constant, feeds back fire data out by thermocouple and show on computers, if there is abnormal parameters,
By the way that heating device is turned off manually；
Step 4: starting motor 21, guarantees that 21 firm power of motor, motor 21 start turning roll 2 with moving gear, roll
Roller 2 and side seal board 11 generate friction, start timing, control roller temperature at ± 5 DEG C；It is different whether experimenter's observation experiment platform has
It rings, if there is stopping testing at once.The variation of pressure value is paid attention to during the experiment；
Step 5: stopping experiment after reaching setting test period, and test period is recorded, whether observation side seal board 11 has
Noticeable wear is removed side seal board detection abrasion condition data and is recorded, if abrasion condition is unobvious if there is noticeable wear
Then extend test period, extend 3~5 hours every time, observes result；
Step 6: requiring change test pressure, test temperature, test period and 21 revolving speed of motor multiple according to different tests
It repeats to test, records side seal board state of wear.
Present invention seek to address that the forecasting problem in service life during actual wear of side seal board 11, provides a kind of operation letter
It is single, convenient for observation, testing stand that is safe and reliable, being capable of composite measurement, realize side seal board load, friction, heated comprehensive detection.
Testing stand is easy to use, efficient work, can be applied in factory, detects what side seal board 11 received by sensor
Pressure realizes the prediction of 11 service life of side seal board.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of side seal board fretting wear Detecting data, which is characterized in that including side seal board pressing device, roll, roll rotation
Rotary device, high-frequency inductor and pressure sensor；The roll is mounted on roller rotational device, and roller rotational device drives
Roller rotational, high-frequency inductor heat roll；Side seal board pressing device is located at immediately ahead of roller rotational device, side seal board
It is mounted on side seal board pressing device, side seal board pressing device drives side plate mobile to roll end face, compresses roll end face；Pressure
Sensor is contacted with side seal plate surface, coplanar with roll end face.
2. a kind of side seal board fretting wear Detecting data according to claim 1, which is characterized in that the side seal board pressure
Tight device includes support plate, adjustable plate and hydraulic cylinder；Side plate is placed on the supporting plate, and support plate is connected with adjustable plate, adjustable plate
It is connected with hydraulic cylinder.
3. a kind of side seal board fretting wear Detecting data according to claim 1, which is characterized in that the roller rotational
Device includes motor, transmission device, bearing block, rolling ring and carrying roller；Roll one end is mounted on bearing block, and rolling ring, which is mounted on, rolls
The other end of roller, carrying roller hold up rolling ring；Motor drives roller rotational by transmission device.
4. a kind of side seal board fretting wear Detecting data according to claim 3, which is characterized in that the transmission device
Including shaft coupling, speed reducer, pinion gear and gear wheel；Motor is connected by shaft coupling with speed reducer, and pinion gear, which is mounted on, to be subtracted
On fast machine output shaft, pinion gear is engaged with gear wheel, and gear wheel is mounted on roll.
5. a kind of experimental method based on testing stand described in claim 1, which is characterized in that specifically comprise the following steps:
Step 1: motor, speed reducer, bearing block, hydraulic cylinder is fixed on the table, successively by roll, pinion gear, canine tooth
Wheel, high-frequency inductor, rolling ring are installed, and side seal board, support plate, adjustable plate and hydraulic cylinder are connected, and adjustment distance makes side seal
Plate is contacted with roller surface, and pressure sensor is fixed on support frame, is contacted with side seal plate surface, coplanar with roll end face；
Step 2: opening pressure sensor, shows pressure Value Data, by COMPUTER DETECTION pressure Value Data, pass through adjusting
Hydraulic cylinder adjusts pressure value, guarantees that pressure value is constant, and pressure sensor detection range is -100.0~100.0kpa；
Step 3: opening high-frequency inductor, heating temperature is set, roll is heated to assigned temperature using electromagnetic induction principle,
It keeps temperature constant, fire data out is fed back by thermocouple and is shown on computers, if there is abnormal parameters, passes through hand
It is dynamic to close heating device；
Step 4: starting motor, guarantees motor firm power, motor driven gear and roll rotation, roll and side seal board are generated
Friction starts timing, controls roller temperature at ± 5 DEG C；Whether experimenter's observation experiment platform has abnormal sound, if there is stopping at once
Experiment pays attention to the variation of pressure value during the experiment；
Step 5: stopping experiment after reaching setting test period, and test period is recorded, whether observation side seal board has obvious mill
Damage is removed side seal board detection abrasion condition data and is recorded, extended if abrasion condition is unobvious if there is noticeable wear
Test period extends 3~5 hours every time, observes result；
Step 6: being required to change test pressure, test temperature, test period and motor speed multiplicating examination according to different tests
It tests, records side seal board state of wear.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910237401.1A CN109883873A (en) | 2019-03-27 | 2019-03-27 | A kind of side seal board fretting wear Detecting data and experimental method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910237401.1A CN109883873A (en) | 2019-03-27 | 2019-03-27 | A kind of side seal board fretting wear Detecting data and experimental method |
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| CN109883873A true CN109883873A (en) | 2019-06-14 |
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