CN108543815A - Whole roll-type plate-shaped sensing roller and its method for detecting shape - Google Patents
Whole roll-type plate-shaped sensing roller and its method for detecting shape Download PDFInfo
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- CN108543815A CN108543815A CN201810417152.XA CN201810417152A CN108543815A CN 108543815 A CN108543815 A CN 108543815A CN 201810417152 A CN201810417152 A CN 201810417152A CN 108543815 A CN108543815 A CN 108543815A
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- roll body
- strip
- main roll
- blind hole
- shaped sensing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/02—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring flatness or profile of strips
Abstract
The present invention relates to automatic measurement field, a kind of whole roll-type plate-shaped sensing roller and its method for detecting shape, including main roll body and displacement sensor are specifically disclosed；Main roll body is hollow tubular structure, two groups of blind holes are equidistantly processed in an axial direction on main roll body inner surface through main roll body axial line in-plane, multiple displacement sensors are fixed in main roll body boring structure, each displacement sensor corresponds to a blind hole on main roll body, the detection direction of each displacement sensor passes through the axis of corresponding blind hole respectively, it symmetrical two displacement sensors will connect on 180 ° of directions of main roll body circumference, and form differential output circuit；Whole roll-type plate-shaped sensing roller is mounted on the former guide roller position between milling train and coiling machine and carries out flatness detection.The application rolls rear strip internal residual stress along the distribution of plate width direction, i.e. plate shape S by the acquisition of displacement sensor roller wall deflection.
Description
Technical field
The present invention relates to automatic measurement field more particularly to a kind of whole roll-type plate-shaped sensing roller and its flatness detection sides
Method.
Background technology
The high-precision shape control of steel plate and process control are always the control targe of strip production process, and the inspection of plate shape
Measurement information directly affects product quality.Since actual production with plate shape there is an urgent need to improve caused great economic benefit,
Since the sixties in last century, the development of flatness detection device is carried out quite active, and each state has all put into comparable manpower
And material resources, it is nearly all to reflect that the physical quantity of strip shape quality is tried the research for method for detecting shape.Plate shape is examined
Survey apparatus structure form is various, and operation principle is also different, but can be by it substantially by the relationship of strip and flatness detection device
It is divided into two major classes, contact plate profile instrument and contactless plate profile instrument.
Contact plate profile instrument has many advantages, such as that signal detection is direct, signal processing is easy fidelity, and accuracy of detection is high, answers extensively
In being produced for cold rolling.As the segmentation roll-type plate profile instrument of ABB AB of Sweden, the whole roller of University On The Mountain Of Swallows of China autonomous innovation development are inlayed
Block formula and whole roller gapless plate profile instrument.The segmentation roll-type plate profile instrument of ABB AB is in use due to the variation of temperature, collars
Precompression between roll body easily changes, and collars is made to produce relative rotation relative to roll body, and the collars changing of the relative positions is caused to scratch
Band.The whole roller block insert type and whole roller gapless plate profile instrument of University On The Mountain Of Swallows avoid strip scuffing, but are adapted only in cold rolling environment
Lower use can make sensor failure applied to hot rolling environment due to high temperature.
The hardware configuration of contactless plate profile instrument is relatively easy and easy to maintain, and cost and spare part are much relatively cheap；It passes
Sensor is nonrotational part, easy for installation；And it since the non-contact high temperature without by hot-rolling stock is influenced, is applied in hot rolling
It is relatively wide.But the Shape signal of contactless plate profile instrument be indirect signal, processing with great difficulty be distorted, therefore measurement accuracy compared with
It is low.
In conclusion existing contact and contactless plate profile instrument cannot meet the detection need of hot rolling and cold rolling simultaneously
It asks, especially in being produced in hot rolling, precision height cannot be met simultaneously, the requirement that performance is stablized.Therefore, the present invention provides a kind of
Whole roll-type plate-shaped sensing roller can avoid the occurrence of strip and scratch phenomenon, and can be applied to cold rolling and heat simultaneously in use
Environment is rolled, to formulating Strip Shape Control strategy, high precision plate strip product is obtained and is of great significance.
Invention content
The purpose of the present invention is to provide a kind of whole roll-type plate-shaped sensing roller and its method for detecting shape, which can
Strip is avoided the occurrence of in use and scratches phenomenon, and can be applied to cold rolling and hot rolling environment, specific technical solution simultaneously：
A kind of whole roll-type plate-shaped sensing roller, including main roll body and displacement sensor；
The main roll body is the hollow tubular structure with thickness, the axial line of the inner surface of the main roll body in main roll body
First group of blind hole of spaced set and second group of blind hole, first group of blind hole and second group of blind hole are divided in an axial direction on in-plane
Not with the axis parallel of the main roll body and be spaced 180 ° and be symmetrically distributed on the inner surface of main roll body, each blind hole
Diameter and depth are all identical；
Institute's displacement sensors are fixed in the boring structure of main roll body, and corresponding with each blind hole
Position on be respectively provided with institute's displacement sensors, the bottom surface of institute's displacement sensors and the blind hole at a distance of one it is default away from
From；Institute's displacement sensors are rotated together with the main roll body, and the detection direction of each displacement sensor is respectively by corresponding
The axis of the blind hole symmetrical two institutes displacement sensors will connect along 180 ° of directions of main roll body circumference, and composition is differential
Output circuit.
Preferably, the main roll body outer diameter is 300~500mm, and 70~80mm of wall thickness, appearance surface hardness is more than 58HRC, outside
Entire surface is seamless.
Preferably, the blind hole diameter is 20~50mm, and the roughness of blind hole bottom surface is no more than Ra0.4um, blind hole bottom surface
Distance to home roll external surface is 2~5mm.
Preferably, institute's displacement sensors are ultrasonic sensor, infrared sensor or laser sensor；The displacement
The range of sensor is more than 5mm, and measurement accuracy is less than 100nm, and repeatable accuracy is less than 50nm, and sample frequency is more than 10kHz.
A method of carrying out flatness detection using above-mentioned whole roll-type plate-shaped sensing roller, it is characterised in that including following step
Suddenly：
S1, detected value when the first test position detected according to institute's displacement sensors and the second forced position, is obtained
Obtain roller wall elastic deformation amount's Δ d of main roll bodyi；
S2 obtains the radial pressure F that main roll body test position is subject to by way of calibrationiWith roller wall elastic deformation amount's Δ
diRelation curve；Then according to roller wall elastic deformation amount's Δ d of the main roll body in step S1iObtain main roll body test position by
The radial pressure F arrivedi；
S3, the radial pressure F being subject to according to test positioniObtain the strip longitudinal direction tensile stress σ of i-th of detection unitiAnd band
The average longitudinal tensile stress of steelAnd obtain longitudinal residual stress Δ σi；
S4, according to acquisition longitudinal residual stress Δ σiMaximum longitudinal residual stress and minimum longitudinal residual stress are obtained, and
Plate shape S is obtained using the elasticity modulus of the main roll body and the Poisson's ratio of main roll body.
Preferably, the step S1 is specially：
Δdi=di1-di0 (1)
Wherein, Δ diIndicate roller wall elastic deformation amount, di0Indicate test position do not stress state when displacement sensor
Value, di1Indicate displacement sensor value when test position stress.
Preferably, the step S3 is specially：
The strip longitudinal direction tensile stress σ of i-th of detection unit is covered during the rolling processiWith i-th of detection unit of strip pair
Radial pressure FiRelationship be:
Fi=σi·bihi·2sinθ (3)
Wherein, biTo cover the strip width of i-th of detection unit in the operation of rolling；hiTo be covered in the operation of rolling i-th
The belt steel thickness of detection unit；θ is the half that strip bypasses measuring roll cornerite in the operation of rolling；σiTo cover in the operation of rolling
The strip longitudinal direction tensile stress of i detection unit；FiFor the radial pressure of i-th of detection unit of strip pair；
According to expression formula (3) it is found that the strip longitudinal direction tensile stress σ of i-th of detection unitiExpression formula be：
Strip tension TiWith strip longitudinal direction tensile stress σiRelationship be：
Ti=σibihi (5)
Wherein, biTo cover the strip width of i-th of detection unit in the operation of rolling；hiTo be covered in the operation of rolling i-th
The belt steel thickness of detection unit；σiTo cover the strip longitudinal direction tensile stress of i-th of detection unit in the operation of rolling；TiIt is examined for i-th
Survey the strip tension of unit；
According to expression formula (3) and (5), can acquire the strip total tension T acted on plate-shaped sensing roller is：
After the strip total tension T acquired according to expression formula (6), the average longitudinal tensile stress of strip is obtainedFor：
Wherein, B is strip width；H is belt steel thickness, and T is the strip total tension acted on plate-shaped sensing roller；
The strip longitudinal direction tensile stress σ obtained according to expression formula (4)iWith the average longitudinal direction of strip obtained according to expression formula (7)
Tensile stressObtain longitudinal residual stress (stress-deviation) Δ σi：
Preferably, the S4 is specially：
Wherein, S is plate shape, and Δ l is strip longest and most short longitudinal fiber length difference；L is the most short longitudinal fiber of strip
Length, Δ σmaxFor maximum longitudinal residual stress；ΔσminFor minimum longitudinal residual stress；E is the elasticity modulus of main roll body；ν is
The Poisson's ratio of main roll body；I display plate shape base units are usually used in the world；
According to expression formula (8), Δ σmaxForSimilarly,Wherein σimaxFor band
Steel longitudinal direction tensile stress σiMaximum value, σiminFor steel longitudinal direction tensile stress σiMinimum value.
The beneficial effects of the invention are as follows：
1, it can get compared with the higher Shape signal of conventional contactless plate profile instrument precision, while solving conventional contact
Plate profile instrument sensor non-refractory and using limited problem in hot rolling, so as to be applied to cold rolling and hot rolling environment simultaneously.
2, measuring roll outer surface integral seamless can avoid the occurrence of strip and scratch phenomenon, sensor group in use
Part is symmetrical along 180 ° of directions of main roll body circumference in measuring roll, can get more accurate flatness detection signal.
Description of the drawings
Fig. 1 is the structural schematic diagram of plate-shaped sensing roller main roll body；
Fig. 2 is the left view of plate-shaped sensing roller main roll body；
Fig. 3 is test position partial enlarged view；
Fig. 4 is main roll body cornerite；
Main appended drawing reference：
Main roll body 1；Home roll external surface 11；Main roll body inner surface 12；
Displacement sensor 2；Steel plate 3；Blind hole 4；Retainer 5.
Specific implementation method
The present invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, the present invention provides a kind of whole roll-type plate-shaped sensing roller for flatness detection, include mainly main roll body
1 and displacement sensor 2.The main roll body 1 of whole roll-type plate-shaped sensing roller is hollow tubular structure, and preferred main roll body outer diameter is 300
~500mm, 70~80mm of wall thickness.11 hardness of home roll external surface is more than 58HRC, and 11 integral seamless of outer surface avoids use
In the process to the scuffing of strip.The equidistantly processing in an axial direction on main roll body inner surface 12 through 1 axial line in-plane of main roll body
Two groups of blind holes 4, the distance of 4 axis of two neighboring blind hole is preferably 55~65mm in every group of blind hole 4, and two groups of blind holes are all examined with plate shape
It surveys roller axis parallel and 180 ° is symmetrically distributed on main roll body inner surface 12, i.e. mutual corresponding two blind holes in two groups of blind holes
It is in 180 ° of angles on the same section of main roll body inner surface 12 and by dot of axial line.The diameter and depth of each blind hole 4
It is all identical, it is preferred that blind hole diameter is 20~50mm, and the roughness of blind hole bottom surface is no more than Ra0.4um, blind hole bottom surface to home roll
The distance of external surface is 2~5mm.
Multiple displacement sensors 2 are fixed in main roll body boring structure, are preferably passed using 5 fixed displacement of retainer
Sensor 2 is covered as 5 both ends of retainer can be fixed on main roll body two side ends with screw, and when work rotates together with main roll body.One
Displacement sensor 2 corresponds to a blind hole 4 on main roll body 1, and the detection direction of each displacement sensor 2 passes through corresponding blind hole respectively
4 axis.By along the direction of 180 ° of main roll body circumference symmetrical two displacement sensors 2 connect, form differential output circuit,
Realize that the amplification of difference mode signal, suppression common mode signal can effectively reduce temperature drift, this connection and single group using symmetric circuit
Sensor compares the flatness detection signal that can get higher precision.Adjust blind hole bottom surface on displacement sensor 2 and main roll body 1 away from
From making blind hole bottom surface be in the range ability of displacement sensor.Since displacement sensor and measuring roll are not directly contacted with, to
Sensor temperature can be avoided excessively high in Flatness of Hot Rolled Strip detection process and damaged.Preferably, displacement sensor is ultrasonic wave
The range of sensor, infrared sensor or laser sensor, sensor is more than 5mm, and measurement accuracy is less than 100nm, and repeats
Precision is less than 50nm, and sample frequency is more than 10kHz.
Whole roll-type plate-shaped sensing roller is mounted on the former guide roller position between milling train and coiling machine and carries out flatness detection, it will
Steps are as follows for the specific calculating of whole roll-type plate-shaped sensing roller detection：
Step (1)：The test position detected according to displacement sensor 2 do not stress state when and inspection when test position stress
Measured value obtains the roller wall elastic deformation amount of main roll body.The do not stress position of state of test position is set as the first test position,
The position of test position stress is set as the second forced position.
2 numerical value of all displacement sensors is reset before starting detection, is denoted as di0。di0It indicates in detection process, check bit
It sets when not stressing state, i.e., when main roll body goes to steel plate and does not contact test position in detection process, the measurement of displacement sensor
Value, therefore di0Initialization value be zero.In detection process, when test position stress, i.e., the steel plate with tension is covered in detection
When position, strip tension T acts on detection roller surface, roller wall can be made to generate flexible deformation, position the radial pressure F of test position
Displacement sensor measures numerical value of the different location apart from blind hole bottom surface, is denoted as di1。
Roller wall elastic deformation amount's Δ diFor：
Δdi=di1-di0 (1)
Wherein, Δ diIndicate roller wall elastic deformation amount, di0Indicate test position do not stress state when displacement sensor
Value, di1Indicate displacement sensor value when test position stress.
Step (2), according to roller wall elastic deformation amount's Δ diObtain the radial pressure F that main roll body test position is subject toi.When whole
After the main roll body of roll-type plate-shaped sensing roller determines, main roll body parameter lambda determines.Main roll body test position is provided by way of calibration
The radial pressure F being subject toiWith roller wall elastic deformation amount's Δ diRelationship, that is, use power-displacement calibrating device, by main roll body
Test position applies different radial pressure FiTo obtain corresponding roller wall elastic deformation amount Δ di, to obtain FiWith Δ di's
Relation curve：
Fi=f (Δ di,λ) (2)
Expression formula (2) indicates radial pressure FiWith roller wall elastic deformation amount's Δ diIt is related to main roll body parameter lambda, wherein FiTable
Show the radial pressure that test position is subject to, Δ diIndicate that roller wall elastic deformation amount, λ are main roll body parameter.Main roll body parameter is in master
Roll body is determined after manufacturing and the elasticity modulus of main roll body, test position wall thickness, blind hole diameter etc. are related, using not
Same main roll body can obtain different FiWith Δ diRelation curve.
Step (3), the radial pressure F being subject to according to test positioniObtain residual stress (stress-deviation) Δ σi。
According to mechanical relationship and geometrical relationship it is found that the strip for covering i-th of detection unit during the rolling process is longitudinally opened
Stress σiWith the radial pressure F of i-th of detection unit of strip pairiRelationship be:
Fi=σi·bihi·2sinθ (3)
Wherein, biTo cover the strip width of i-th of detection unit in the operation of rolling；hiTo be covered in the operation of rolling i-th
The belt steel thickness of detection unit；θ be the operation of rolling in strip bypass measuring roll cornerite half, with reference to 4 cornerites of figure, that is, strip with
Angle corresponding to main roll body contact portion circular arc.
According to expression formula (3) it is found that the strip longitudinal direction tensile stress σ of i-th of detection unitiExpression formula be：
Strip tension Ti and strip longitudinal direction tensile stress σiRelationship be：
Ti=σibihi (5)
According to expression formula (3) and (5), can acquire the strip total tension T acted on plate-shaped sensing roller is：
After the strip total tension T acquired according to expression formula (6), the average longitudinal tensile stress of strip is obtainedFor：
Wherein, B is strip width；H is belt steel thickness.
The strip longitudinal direction tensile stress σ obtained according to expression formula (4)iWith the average longitudinal direction of strip obtained according to expression formula (7)
Tensile stressObtain longitudinal residual stress (stress-deviation) Δ σi：
Step (4), computing board shape S.
I display plate shape base units, plate shape S is usually used to be expressed as in the world
Wherein, Δ l is strip longest and most short longitudinal fiber length difference；L is the length of the most short longitudinal fiber of strip, Δ
σmaxFor maximum longitudinal residual stress；ΔσminFor minimum longitudinal residual stress；E is the elasticity modulus of main roll body；ν is main roll body
Poisson's ratio.
According to expression formula (8), Δ σmaxForSimilarly,Wherein σimaxFor band
Steel longitudinal direction tensile stress σiMaximum value, σiminFor steel longitudinal direction tensile stress σiMinimum value.
The application is by displacement sensor roller wall deflection, then passes through the conversion to surveyed deflection, so that it may with
To strip longitudinal direction tensile stress σiWith longitudinal residual stress Δ σi, and then obtain rolling rear strip internal residual stress along plate width direction
Distribution, i.e. plate shape S.
The above is the preferred embodiment of the application, it is noted that for those skilled in the art
For, under the premise of not departing from this technology principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as
The protection domain of the application.
Claims (8)
1. a kind of whole roll-type plate-shaped sensing roller, it is characterised in that：Including main roll body and displacement sensor；
The main roll body is the hollow tubular structure with thickness, the axial line plane of the inner surface of the main roll body in main roll body
Side first group of blind hole of spaced set and second group of blind hole axially upward, first group of blind hole and second group of blind hole respectively with
The axis parallel of the main roll body is simultaneously spaced 180 ° and is symmetrically distributed on the inner surface of main roll body, each diameter of blind hole
It is all identical with depth；
Institute's displacement sensors are fixed in the boring structure of main roll body, and position corresponding with each blind hole
It sets and is respectively provided with institute's displacement sensors, the bottom surface of institute's displacement sensors and the blind hole is at a distance of a pre-determined distance；Institute
Displacement sensors are rotated together with the main roll body, and the detection direction of each displacement sensor is respectively by corresponding described blind
The axis in hole symmetrical two institutes displacement sensors will connect along 180 ° of directions of main roll body circumference, composition differential output electricity
Road.
2. whole roll-type plate-shaped sensing roller according to claim 1, it is characterised in that：
The main roll body outer diameter is 300~500mm, and 70~80mm of wall thickness, appearance surface hardness is more than 58HRC, outer surface entirety nothing
Seam.
3. whole roll-type plate-shaped sensing roller according to claim 1, it is characterised in that：The blind hole diameter is 20~50mm,
The roughness of blind hole bottom surface is no more than Ra0.4um, and the distance of blind hole bottom surface to home roll external surface is 2~5mm.
4. whole roll-type plate-shaped sensing roller according to claim 1, it is characterised in that：Institute's displacement sensors pass for ultrasonic wave
Sensor, infrared sensor or laser sensor；The range of institute's displacement sensors is more than 5mm, and measurement accuracy is less than 100nm,
And repeatable accuracy is less than 50nm, sample frequency is more than 10kHz.
5. a kind of method carrying out flatness detection using whole roll-type plate-shaped sensing roller described in claim 1, it is characterised in that：Packet
Include following steps：
S1, detected value when the first test position detected according to institute's displacement sensors and the second forced position, is led
Roller wall elastic deformation amount's Δ d of roll bodyi；
S2 obtains the radial pressure F that main roll body test position is subject to by way of calibrationiWith roller wall elastic deformation amount's Δ di's
Relation curve；Then according to roller wall elastic deformation amount's Δ d of the main roll body in step S1iObtain what main roll body test position was subject to
Radial pressure Fi；
S3, the radial pressure F being subject to according to test positioniObtain the strip longitudinal direction tensile stress σ of i-th of detection unitiIt is flat with strip
Longitudinal tensile stressAnd obtain longitudinal residual stress Δ σi；
S4, according to acquisition longitudinal residual stress Δ σiMaximum longitudinal residual stress and minimum longitudinal residual stress are obtained, and utilizes institute
The Poisson's ratio of the elasticity modulus and main roll body of stating main roll body obtains plate shape S.
6. the method that whole roll-type plate-shaped sensing roller according to claim 5 carries out flatness detection, it is characterised in that：The step
Suddenly S1 is specially：
Δdi=di1-di0 (1)
Wherein, Δ diIndicate roller wall elastic deformation amount, di0Indicate test position do not stress state when displacement sensor value, di1
Indicate displacement sensor value when test position stress.
7. the method that whole roll-type plate-shaped sensing roller according to claim 5 carries out flatness detection, it is characterised in that：The step
Suddenly S3 is specially：
The strip longitudinal direction tensile stress σ of i-th of detection unit is covered during the rolling processiWith the radial direction of i-th of detection unit of strip pair
Pressure FiRelationship be：
Fi=σi·bihi·2sinθ (3)
Wherein, biTo cover the strip width of i-th of detection unit in the operation of rolling；hiTo cover i-th of detection in the operation of rolling
The belt steel thickness of unit；θ is the half that strip bypasses measuring roll cornerite in the operation of rolling；σiTo be covered in the operation of rolling i-th
The strip longitudinal direction tensile stress of detection unit；FiFor the radial pressure of i-th of detection unit of strip pair；
According to expression formula (3) it is found that the strip longitudinal direction tensile stress σ of i-th of detection unitiExpression formula be：
Strip tension TiWith strip longitudinal direction tensile stress σiRelationship be：
Ti=σibihi (5)
Wherein, biTo cover the strip width of i-th of detection unit in the operation of rolling；hiTo cover i-th of detection in the operation of rolling
The belt steel thickness of unit；σiTo cover the strip longitudinal direction tensile stress of i-th of detection unit in the operation of rolling；TiIt is single for i-th of detection
The strip tension of member；
According to expression formula (3) and (5), can acquire the strip total tension T acted on plate-shaped sensing roller is：
After the strip total tension T acquired according to expression formula (6), the average longitudinal tensile stress of strip is obtainedFor：
Wherein, B is strip width；H is belt steel thickness, and T is the strip total tension acted on plate-shaped sensing roller；
The strip longitudinal direction tensile stress σ obtained according to expression formula (4)iWith the average longitudinal tensile stress of strip obtained according to expression formula (7)Obtain longitudinal residual stress (stress-deviation) Δ σi：
。
8. the method that whole roll-type plate-shaped sensing roller according to claim 5 carries out flatness detection, it is characterised in that：The S4
Specially：
Wherein, S is plate shape, and Δ l is strip longest and most short longitudinal fiber length difference；L is the length of the most short longitudinal fiber of strip,
ΔσmaxFor maximum longitudinal residual stress；ΔσminFor minimum longitudinal residual stress；E is the elasticity modulus of main roll body；V is main roll body
Poisson's ratio；I display plate shape base units are usually used in the world；
According to expression formula (8), Δ σmaxForSimilarly,Wherein σimaxFor strip longitudinal direction
Tensile stress σiMaximum value, σiminFor steel longitudinal direction tensile stress σiMinimum value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810417152.XA CN108543815B (en) | 2018-05-03 | 2018-05-03 | Whole roll-type plate-shaped sensing roller and its method for detecting shape |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810417152.XA CN108543815B (en) | 2018-05-03 | 2018-05-03 | Whole roll-type plate-shaped sensing roller and its method for detecting shape |
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| CN108543815A true CN108543815A (en) | 2018-09-18 |
| CN108543815B CN108543815B (en) | 2019-12-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455464A (en) * | 2018-12-25 | 2019-03-12 | 承德石油高等专科学校 | A kind of long-distance transportation machine belt detection device for operation trouble and method |
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|---|---|---|---|---|
| FR2602327B1 (en) * | 1986-07-30 | 1990-11-09 | Clecim Sa | TAPE CONTROL ROLLER AND METHOD FOR PRODUCING THE SAME |
| ES2017747B3 (en) * | 1986-12-04 | 1991-03-01 | Clecim Sa | DEVICE FOR MEASURING THE DEFECTS OF FLATNESS OF A BAND. |
| JPH093617A (en) * | 1995-06-15 | 1997-01-07 | Nisshin Steel Co Ltd | Shape detecting roll |
| US6070472A (en) * | 1997-02-06 | 2000-06-06 | Sms Schloemann-Siemag Aktiengesellschaft | Planarity measuring roller |
| JP2010203869A (en) * | 2009-03-03 | 2010-09-16 | Mitsubishi-Hitachi Metals Machinery Inc | Shape measuring roll of metal strip |
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2018
- 2018-05-03 CN CN201810417152.XA patent/CN108543815B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2602327B1 (en) * | 1986-07-30 | 1990-11-09 | Clecim Sa | TAPE CONTROL ROLLER AND METHOD FOR PRODUCING THE SAME |
| ES2017747B3 (en) * | 1986-12-04 | 1991-03-01 | Clecim Sa | DEVICE FOR MEASURING THE DEFECTS OF FLATNESS OF A BAND. |
| JPH093617A (en) * | 1995-06-15 | 1997-01-07 | Nisshin Steel Co Ltd | Shape detecting roll |
| US6070472A (en) * | 1997-02-06 | 2000-06-06 | Sms Schloemann-Siemag Aktiengesellschaft | Planarity measuring roller |
| JP2010203869A (en) * | 2009-03-03 | 2010-09-16 | Mitsubishi-Hitachi Metals Machinery Inc | Shape measuring roll of metal strip |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455464A (en) * | 2018-12-25 | 2019-03-12 | 承德石油高等专科学校 | A kind of long-distance transportation machine belt detection device for operation trouble and method |
| CN109455464B (en) * | 2018-12-25 | 2023-11-24 | 承德石油高等专科学校 | Belt operation fault detection device and method for long-distance conveyor |
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| Publication number | Publication date |
|---|---|
| CN108543815B (en) | 2019-12-03 |
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