CN106697846B - The safe emergency flight control system of conveyer - Google Patents
The safe emergency flight control system of conveyer Download PDFInfo
- Publication number
- CN106697846B CN106697846B CN201710063945.1A CN201710063945A CN106697846B CN 106697846 B CN106697846 B CN 106697846B CN 201710063945 A CN201710063945 A CN 201710063945A CN 106697846 B CN106697846 B CN 106697846B
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- China
- Prior art keywords
- bearing
- conveyer
- right end
- left end
- monitoring portion
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0266—Control or detection relating to the load carrier(s)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
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- Control Of Conveyors (AREA)
Abstract
The present invention relates to a kind of safe emergency flight control systems of conveyer, including converyor roller bearing on-line monitoring portion and conveyer safety emergency portion, it is characterized in that, the converyor roller bearing on-line monitoring portion includes axial displacement monitoring portion and radial displacement monitoring portion, and the conveyer safety emergency portion includes roller band-type brake；The converyor roller bearing on-line monitoring portion includes motor, shaft coupling, left end support bearing, shaft position sensor, axial displacement carrier, radial displacement transducer, right end spring bearing, drive chain, drum shaft, motor drives drum shaft rotation by shaft coupling, drum shaft is supported between left end support bearing and right end spring bearing, roller is mounted on drum shaft, and is matched with left end support bearing and right end spring bearing.The bearing that the present invention focuses on to be directed to driving effect is monitored on-line, and starts the safe emergency flight control system of influence to guarantee the safety of whole device.
Description
Technical field
The present patent application is the divisional application of application number 201510188316.2.The present invention relates to one kind for monitoring conveying
The device of equipment, more particularly it relates to on-line monitoring and safe emergency flight control system for conveying device roller bearings
System.
Background technique
In the prior art, belt conveyor and roller conveyor usually all carry out power transmission using roller, and roller is then
It is mounted on rolling bearing.Currently, each industrial and mining enterprises are more mature to the on-line monitoring research and development of conveying device, for example, utilizing light
Electric system especially carries out optical detection to loading end, wherein to occurring at runtime to conveyer belt loading end and/or rolling surface
Damage carry out identification and issue the sound and/or optics alarm signal when reaching conveyer belt critical state and/or especially promote
Disconnect conveying equipment automatically.
For another example, in roller class conveyer, roller chain connection, chain is driven by top drive sprocket wheel.Normal condition
Lower chain and the gear of drive chain are the mutual normal operations being fitted close to guarantee chain, however, in the reality of reality
In, since entire chain does not prevent the device of chain jump tooth during sprocket wheel operates, therefore sometimes in material transportation
In the process due to weight of material, component of machine failure, drive system aging the problems such as, it may occur that chain is jumped at drive sprocket
The relative position of the problem of tooth, chain and drive sprocket changes, and causes the accident, and such chain is jumped tooth failure and can be made
At chain bucket rear portion steel plate deformed, whole equipment can be damaged when serious, must not cause and be changed without, greatly affected production operation into
Degree causes unnecessary economic loss, therefore shows the monitoring device of the anti-chain abjection in this kind of conveyer at present, can effectively supervise
The working condition between chain and drive sprocket is controlled, when problem occurs, energy and alarm issue stopping signal, and need safety can
It leans on, strong antijamming capability.
For another example, in belt conveyor and roller conveyor, on-line monitoring system can supervise in real time whole equipment
It surveys, thus achieve the purpose that security control, but this on-line monitoring system is complex, higher cost.
In terms of the monitoring for bearing, mostly in currently available technology is to fill bearing to be measured mounted in special Bearing testing
It sets, carries out the fault diagnosises such as antifatigue, damage.What this technology developed at present have been relatively mature, and common are, by high-speed rail
The bearing removal of wheel gets off or before the bearing is assembled on axletree, the bearing or axletree is mounted on special
On bearing detecting device, then tested by the special bearing monitoring device to bearing to be measured, to obtain bearing
Relevant parameter, and then judge the working condition of bearing.This detection method is currently used Bearing testing method, its main feature is that
Instead of traditional artificial percussion detection mode, the accuracy of detection is improved, but this mode is still based on perfect condition
Under static test mode carry out Bearing testing, and usually require to dismantle on bearing to be measured, even if not into
Row bearing removal, it is also desirable to it will entirely take turns on the detection device placed to axis, thus detection method is more complicated.
Studies have shown that the one kind of conveying device as mechanical device, achieves length in terms of safety detection at present
The progress of foot, but fail to cause enough attention on the emergency flight control on the on-line monitoring of roller bearings and after conveyer stop.
Especially with the development of society, conveyer using more and more extensive, wherein belt conveyor is applied large quantities of in mine etc. more
Being continuously conveyed for amount material, must since the material of continuous permission and the conveying of belt conveyor has the characteristics that quality is big
It must guarantee the safe operation of conveying device using corresponding on-line monitoring system, but conveyer is in the process of running by online
After the controlling alarm of monitoring system, situations such as will appear emergency stop to guarantee operator safely, conveyer at this time is due to being
Stop at random, for the safety of operator, equipment at this moment generally can all cut off electrical source of power and enter emergency rating, but such as
Fruit conveyer once restores electricity suddenly and operates again with having no omen, it is likely that causes personnel to maintenance and operator
Safety.
The present invention is directed to propose a kind of conveying device roller bearings carry out dynamic on-line monitoring/monitoring system, particularly
Be that the present invention focuses on to be directed to the bearing of driving effect to monitor on-line, and start the safe emergency flight control system of influence from
And guarantee the safety of whole device.
Summary of the invention
To problem of the existing technology, what the present invention was led to has been designed to provide a kind of safe emergency flight control system of conveyer
System.
To achieve the above object, the technical solution adopted by the present invention is that: including converyor roller bearing on-line monitoring portion and
Conveyer safety emergency portion, which is characterized in that the converyor roller bearing on-line monitoring portion include axial displacement monitoring portion and
Radial displacement monitoring portion, the conveyer safety emergency portion includes roller band-type brake.
Further, the converyor roller bearing on-line monitoring portion includes motor, shaft coupling, left end support bearing, axis
To displacement sensor, axial displacement carrier, radial displacement transducer, right end spring bearing, drive chain, drum shaft, motor
Drum shaft rotation is driven by shaft coupling, drum shaft is supported between left end support bearing and right end spring bearing, roller installation
It is matched on drum shaft, and with left end support bearing and right end spring bearing, is additionally provided with axial displacement on the drum shaft
Carrier is used to the axial force F a that the drum shaft is subject to being transferred to shaft position sensor, and the drums inside is also set
It is equipped with radial displacement transducer, the radial force being subject to for detecting drum shaft；Wherein left end support bearing only provides radial support
The installation site of power, radial displacement transducer abuts right end spring bearing；
Further, the conveyer safety emergency portion further includes backup power source, control unit, safety valve, wherein described
Control unit is connect with frequency converter, and the frequency converter connects the motor, described control unit respectively with roller band-type brake and spare
Power supply connection；When conveyer is when operational process monitoring system provides alarm signal, cutting electrical source of power stops power supply, conveyer
In stopping, at this moment whole equipment stops working, and electrical source of power is powered suddenly by because of other human factors in order to prevent, makes defeated
It send machine to rerun and leads to safety accident, at this moment, control unit can cut off electrical source of power, cut off electrical source of power back roll band-type brake
Driving roller, which can be locked, prevents its rotation, and operator and service personnel complete maintenance or after determining safety at this time, starting peace
Full valve, backup power source are powered to roller band-type brake and motor, and roller band-type brake is opened, at this point, motor drives conveyer again.
Further, the axial displacement monitoring portion includes shaft position sensor, and the radial displacement monitoring portion includes
Radial displacement transducer, the shaft position sensor and the radial displacement transducer are current vortex sensor.
Further, the converyor roller bearing on-line monitoring portion includes shaft coupling, and the shaft coupling passes through speed reducer
Drive drum shaft rotation.
Further, the converyor roller bearing on-line monitoring portion includes left end support bearing and right end spring bearing,
The left end support bearing and right end spring bearing use single layer ball bearing.
Further, the converyor roller bearing on-line monitoring portion includes left end support bearing and right end spring bearing,
The left end support bearing and right end spring bearing use double layers of rolling balls bearing.
Further, the converyor roller bearing on-line monitoring portion includes left end support bearing and right end spring bearing,
The left end support bearing and right end spring bearing one use single layer ball bearing, a use double layers of rolling balls bearing, two
The internal diameter and outer diameter of bearing are identical.
The present invention also provides a kind of method controlled using the safe emergency flight control system of conveyer, wherein institute
Stating axial displacement monitoring portion includes shaft position sensor, and the radial displacement monitoring portion includes radial displacement transducer, described
The axial displacement signal measured is sent to control device by shaft position sensor, is preset when the axial displacement measured is greater than
Early warning numerical value when, control unit issues alarm signal, and conveyer starts stop mode, and staff overhauls；Work as radial direction
When the radial displacement signal that displacement sensor measures is greater than preset early warning numerical value, control unit issues alarm signal, defeated
Machine is sent to start stop mode, staff's maintenance.
Further, when the conveyer is in any stop mode, control unit cuts off electrical source of power and stops power supply,
The roller band-type brake locking driving roller prevents its rotation, when operator or service personnel complete maintenance or in determining safety
Afterwards, start safety valve, backup power source is powered to the roller band-type brake and the motor, and roller band-type brake is opened, and the motor is again
Drive conveyer.
Further, the shaft position sensor and the radial displacement transducer are current vortex sensor, model
CWY_DO_810504 can be selected, the range of linearity of detection: 0.4mm-1.4mm, precision is up to 0.1um.In this section,
Sensor can see it is linear, at this time be displaced, ratio, that is, sensor ratio coefficient proportional with output voltage.
The beneficial effects of the present invention are:
By the detection to drum shaft and the state of spring bearing, reduce measurement difficulty can be convenient it is safe obtain it is defeated
The operating status for sending machine further enhances safety in production by the operation of safety valve and control unit, thus guarantee machine and
The safety of operator.
Detailed description of the invention
Fig. 1 is that the converyor roller bearing on-line monitoring system in the safe emergency flight control system of conveyer of the invention is whole
Structural schematic diagram.
Fig. 2 is the safe emergency flight control systematic schematic diagram of conveyer of the invention.
In figure, 1. motor, 2. shaft coupling, 3. left end support bearing, 4. shaft position sensor, 5. axial displacement carrier
6. 7. right end spring bearing of radial displacement transducer, 8. drum shaft
Specific embodiment
Brief description is made to a specific embodiment of the invention with reference to the accompanying drawing.
A kind of safe emergency flight control system of conveyer, including converyor roller bearing on-line monitoring system, the conveyer
Roller bearings on-line monitoring system includes motor 1, shaft coupling 2, left end support bearing 3, shaft position sensor 4, axial displacement
Carrier 5, radial displacement transducer 6, right end spring bearing 7, drive chain, drum shaft 8, motor 1 drive rolling by shaft coupling 2
Cylinder axis 8 rotates, and drum shaft 8 is supported between left end support bearing 3 and right end spring bearing 7, and roller is mounted on drum shaft 8,
And matched with left end support bearing 3 and right end spring bearing 7, it is characterised in that: be additionally provided with axial position on the drum shaft 8
Carrier 5 is moved, is used to the axial force F a that the drum shaft 8 is subject to being transferred to shaft position sensor 4, the drums inside
It is additionally provided with radial displacement transducer 6, the radial force being subject to for detecting drum shaft 8；The wherein installation of radial displacement transducer 6
Position abuts right end spring bearing 7.
Further, the shaft position sensor 4 and the radial displacement transducer 6 are current vortex sensor, type
Number optional CWY_DO_810504, the range of linearity of detection: 0.4mm-1.4mm, precision is up to 0.1um.In this section
It is interior, sensor can see it is linear, at this time be displaced, ratio, that is, sensor ratio coefficient proportional with output voltage.
In actual operation, roller is due to conveying article to be carried, thus force status is complex, but according to theoretical power
Learn and the mechanics of materials knowledge, can by the complicated applied force regime decomposition be axial force and radial force, below just it is done briefly
It introduces.
Since left end support bearing only provides radial support power, the axial force along loading direction is not provided, therefore act on
Current vortex sensor can be selected in process of production and make for the axial force that axial load on right end spring bearing is subject to regard to drum shaft
Carrying out the installation site using, radial displacement transducer for displacement sensor, (bearing to be measured is the right side in the present invention against bearing to be measured
Left-side support bearing also may be selected according to actual condition certainly in side spring bearing, and in this case, Right side support bearing only provides
Radial support power), by detecting the radial displacement of the drum shaft close to bearing end to be measured come the approximate radial direction as bearing to be measured
Deflection, and the influence that radial displacement transducer selects differential installation method to eliminate rigging error to measurement result, axial position
Displacement sensor determines the axial deformation of bearing to be measured by the displacement of detection axial displacement carrier axial end face.Radial direction and axis
It is 35mv/um, range of linearity 0.4-1.0mm, the linearity 1.2% to the sensitivity of sensor.In order to eliminate axial displacement
The influence to measurement result such as out-of-balance force, data collecting card and establishment by NI company of the U.S. when carrier circularity and rotation
The output signal of corresponding acquisition software acquisition displacement sensor, then by being filtered to collected digital signal
And calculate the mean value of output signal to determine the bearing deformation after load, about digital signal acquiring herein and the process of processing,
This is the ordinary technical knowledge of this field, and those skilled in the art are completely it is understood that such as publishing house of Tsinghua University publication, Hu Guang
There is specific elaboration in " the Digital Signal Processing guide wheel " of book chief editor, does not do in the present invention and excessively repeat.
It should be pointed out that Left-side support bearing is single layer ball bearing, Right side support axis in attached drawing 1 of the invention
It holds as double layers of rolling balls bearing, thus the ratio shown in the accompanying drawings is not consistent, but those skilled in the art are it is understood that this generation
Drum shaft can be realized as left and right spring bearing using same dimensioned bearings in table two kinds of specific embodiments of the invention
The installation of upper roller.And for the double-deck bearing, this bearing is made of inside and outside two layers of bearing, possesses inside and outside two layers of ball, is propped up
The lasso for supportting two layers of ball is respectively defined as inner ring, centre circle and outer ring, wherein the inner ring of the outer ring of internal layer bearing and outer layer bearing
It is connected together by adapter ring, centre circle is collectively formed.Outer ring is mounted in bearing block when use, inner ring and rotor engagement, this
Kind bearing is the double layers of rolling balls bearing that this field is illustrated.
In the actual operation process, axial displacement signal and radial displacement signal are all using in electronic circuit and mechanics
Ordinary technical knowledge is converted into corresponding axial force and radial force, is compared to obtain with the predetermined mechanics numerical value set
To corresponding control model.
In the present invention, since bearing is mounted in bearing block, displacement usually can be directly utilized in the art
Sensor detects the radial displacement close to bearing, but the more difficult measurement of axial displacement, and the present invention is by the axial position of bearing to be measured
Transfer is changed in the measurement to the axial displacement of axial displacement carrier, to enormously simplify the difficulty of measurement, and is obtained
Preferable detection consistency.
The safe emergency flight control system of conveyer further includes roller band-type brake, backup power source, control unit, safety valve,
Described in control unit connect with frequency converter, the frequency converter connects the motor, described control unit respectively with roller band-type brake
It is connected with backup power source, the axial displacement signal measured is sent to control unit by shaft position sensor, when the axial direction measured
When displacement is greater than preset early warning numerical value, control unit issues alarm signal, and conveyer starts stop mode, staff
It is overhauled；When the radial displacement signal that radial displacement transducer measures is greater than preset early warning numerical value, control unit
Alarm signal is issued, conveyer starts stop mode, and staff's maintenance when conveyer is in any stop mode, is cut off
Electrical source of power stops power supply, and at this moment whole equipment stops working, and electrical source of power supplies suddenly because of other human factors in order to prevent
Electricity reruns conveyer and leads to safety accident, and at this moment, control unit can cut off electrical source of power, after cutting off electrical source of power
Roller band-type brake, which can lock driving roller, prevents its rotation, and operator and service personnel complete maintenance or determining safety at this time
Afterwards, start safety valve, backup power source is powered to roller band-type brake and motor, and roller band-type brake is opened, at this point, motor drives conveying again
Machine.
It should be pointed out that safety valve is any device (such as Resetting Switching that can satisfy above-mentioned starting requirement
Deng), and this is known in those skilled in the art, therefore be not repeated herein.
One embodiment of the present invention has been described in detail above, but the content is only preferable implementation of the invention
Example, should not be considered as limiting the scope of the invention.It is all according to all the changes and improvements made by the present patent application range
Deng should still be within the scope of the patent of the present invention.
Claims (5)
1. a kind of safe emergency flight control system of conveyer, including converyor roller bearing on-line monitoring portion and conveyer are met an urgent need safely
Portion, the converyor roller bearing on-line monitoring portion include axial displacement monitoring portion and radial displacement monitoring portion, the conveyer
Safe emergency portion includes roller band-type brake；It is characterized in that, the converyor roller bearing on-line monitoring portion includes motor, shaft coupling
Device, shaft position sensor, axial displacement carrier, radial displacement transducer, right end spring bearing, drives left end support bearing
Dynamic chain, drum shaft, motor drive drum shaft to rotate by shaft coupling, and drum shaft is supported on left end support bearing and right end support
Between bearing, roller is mounted on drum shaft, and is matched with left end support bearing and right end spring bearing, on the drum shaft
It is additionally provided with the axial displacement carrier, is used to for the axial force F a that the drum shaft is subject to be transferred to axial displacement sensing
Device, the drums inside are additionally provided with radial displacement transducer, the radial force being subject to for detecting drum shaft；Wherein left end support
Bearing only provides radial support power, and the installation site of radial displacement transducer abuts right end spring bearing；The axial displacement prison
Survey portion includes shaft position sensor, and the radial displacement monitoring portion includes radial displacement transducer, the axial displacement sensing
Device and the radial displacement transducer are current vortex sensor.
2. the safe emergency flight control system of conveyer as described in claim 1, which is characterized in that the converyor roller bearing exists
Line monitoring portion includes shaft coupling, and the shaft coupling drives drum shaft to rotate by speed reducer.
3. the safe emergency flight control system of conveyer as described in claim 1, which is characterized in that the converyor roller bearing exists
Line monitoring portion includes left end support bearing and right end spring bearing, and the left end support bearing and right end spring bearing use single layer
Ball bearing.
4. the safe emergency flight control system of conveyer as described in claim 1, which is characterized in that the converyor roller bearing exists
Line monitoring portion includes left end support bearing and right end spring bearing, and the left end support bearing and right end spring bearing are using double-deck
Ball bearing.
5. the safe emergency flight control system of conveyer as described in claim 1, which is characterized in that the converyor roller bearing exists
Line monitoring portion includes left end support bearing and right end spring bearing, and the left end support bearing and right end spring bearing one use
Single layer ball bearing, one uses double layers of rolling balls bearing, and the internal diameter and outer diameter of two bearings are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710063945.1A CN106697846B (en) | 2015-04-21 | 2015-04-21 | The safe emergency flight control system of conveyer |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710063945.1A CN106697846B (en) | 2015-04-21 | 2015-04-21 | The safe emergency flight control system of conveyer |
| CN201510188316.2A CN104828516B (en) | 2015-04-21 | 2015-04-21 | The safe emergency flight control system of conveyer |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510188316.2A Division CN104828516B (en) | 2015-04-21 | 2015-04-21 | The safe emergency flight control system of conveyer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106697846A CN106697846A (en) | 2017-05-24 |
| CN106697846B true CN106697846B (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710064051.4A Active CN106628943B (en) | 2015-04-21 | 2015-04-21 | A kind of control method of the safe emergency flight control system of conveyer |
| CN201510188316.2A Active CN104828516B (en) | 2015-04-21 | 2015-04-21 | The safe emergency flight control system of conveyer |
| CN201710063945.1A Active CN106697846B (en) | 2015-04-21 | 2015-04-21 | The safe emergency flight control system of conveyer |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710064051.4A Active CN106628943B (en) | 2015-04-21 | 2015-04-21 | A kind of control method of the safe emergency flight control system of conveyer |
| CN201510188316.2A Active CN104828516B (en) | 2015-04-21 | 2015-04-21 | The safe emergency flight control system of conveyer |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663616A (en) * | 2018-03-09 | 2018-10-16 | 上海宝钢工业技术服务有限公司 | Large-size machine shaft axial displacement state analysis method |
| CN109178830A (en) * | 2018-09-06 | 2019-01-11 | 徐州唐荣机械科技有限公司 | A kind of coal mine current failure emergency control System of Belt Conveyer |
| CN109911551A (en) * | 2019-03-14 | 2019-06-21 | 上海山潜智能科技有限公司 | A kind of intelligent checking system and detection method monitoring rubber belt from deviating |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54101579A (en) * | 1978-01-27 | 1979-08-10 | Hitachi Seiki Co Ltd | Safety device for chuck of machine tool |
| JP3402468B2 (en) * | 2000-08-24 | 2003-05-06 | 川崎製鉄株式会社 | Bearing vibration diagnostic device |
| JP3873095B2 (en) * | 2001-06-20 | 2007-01-24 | 伊東電機株式会社 | Zone controller |
| JP2004233284A (en) * | 2003-01-31 | 2004-08-19 | Nsk Ltd | Diagnostic device and diagnostic method of rolling bearing unit |
| JP4879837B2 (en) * | 2007-08-07 | 2012-02-22 | 株式会社リコー | Roller member breaking strength measuring device and breaking strength measuring method |
| CN101226103A (en) * | 2008-02-01 | 2008-07-23 | 西安交通大学 | Device for testing elastic foil tablet transverse bearing departure rotary speed |
| CN201269807Y (en) * | 2008-08-16 | 2009-07-08 | 太原极峰科技有限责任公司 | Rolling bearing monitoring device |
| CN101387575B (en) * | 2008-10-20 | 2011-10-05 | 兖矿国泰化工有限公司 | Rotor bearing system failure perfect information analytical method and apparatus |
| CN101936810B (en) * | 2010-08-02 | 2012-02-01 | 沈机集团昆明机床股份有限公司 | Comprehensive test experiment device for dynamic and static properties of rolling bearing-main shaft system |
| CN102252836B (en) * | 2011-04-14 | 2013-05-22 | 唐德尧 | Testing method and apparatus for supporting state, dynamic balancing state and non-centering state of rotating machine |
| CN202793245U (en) * | 2012-07-31 | 2013-03-13 | 宝山钢铁股份有限公司 | Displacement monitoring apparatus capable of displaying axial movement of roller |
| CN103105226B (en) * | 2013-01-21 | 2014-12-24 | 中国航天科技集团公司第五研究院第五一〇研究所 | Pairing bearing vibration signal collection device |
| JP2014238531A (en) * | 2013-06-10 | 2014-12-18 | シャープ株式会社 | Transfer device and image forming apparatus including the same |
| CN203568410U (en) * | 2013-10-23 | 2014-04-30 | 宝山钢铁股份有限公司 | Axial bouncing detecting device of movable transmission wheel of belt conveyor |
| CN104326236B (en) * | 2014-10-24 | 2016-05-04 | 河北工程大学 | For the grading automatical deviation correcting device of nation device |
-
2015
- 2015-04-21 CN CN201710064051.4A patent/CN106628943B/en active Active
- 2015-04-21 CN CN201510188316.2A patent/CN104828516B/en active Active
- 2015-04-21 CN CN201710063945.1A patent/CN106697846B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106628943B (en) | 2018-12-14 |
| CN104828516B (en) | 2017-04-05 |
| CN106697846A (en) | 2017-05-24 |
| CN104828516A (en) | 2015-08-12 |
| CN106628943A (en) | 2017-05-10 |
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