CN104266782B - Rubber covered roller operating pressure monitoring device - Google Patents
Rubber covered roller operating pressure monitoring device Download PDFInfo
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- CN104266782B CN104266782B CN201410535065.6A CN201410535065A CN104266782B CN 104266782 B CN104266782 B CN 104266782B CN 201410535065 A CN201410535065 A CN 201410535065A CN 104266782 B CN104266782 B CN 104266782B
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- Prior art keywords
- rubber roll
- operating pressure
- chip microcomputer
- monitoring device
- wireless
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000009530 blood pressure measurement Methods 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
The invention discloses a rubber covered roller operating pressure monitoring device. The rubber covered roller operating pressure monitoring device comprises an upper computer, a wireless receiving module, a wireless transmitting module, a single-chip microcomputer and at least one group of pressure sensors. The pressure sensors are arranged on the surface or inside an outer covering rubber layer of a rubber covered roller and electrically connected with the single-chip microcomputer. The single-chip microcomputer and the wireless transmitting module are both arranged on a roller neck of the rubber covered roller and electrically connected. The wireless transmitting module and the wireless receiving module conduct data transmission through wireless radio waves. The wireless receiving module is electrically connected with the upper computer. The single-chip microcomputer collects operating pressure data of the outer covering rubber layer of the rubber covered roller through the pressure sensors and sends the operating pressure data of the outer covering rubber layer to the wireless receiving module through the wireless transmitting module. The wireless receiving module receives the operating pressure data of the outer covering rubber layer and sends the operating pressure data to the upper computer. By means of the rubber covered roller operating pressure monitoring device, the operating pressure of the industrial rubber covered roller can be monitored, the accuracy of fixed installation of the industrial rubber covered roller is improved, and the machining quality of the industrial rubber covered roller is also improved.
Description
Technical field
The present invention relates to pressure monitoring technical field, more particularly, to a kind of rubber roll operating pressure monitoring device.
Background technology
As shown in Figures 1 to 8, rubber roll is usually and by metal-cored 1, roll neck 2 and is cladded with glue-line 3 and forms；Wherein, it is cladded with glue-line
3 are typically made up of hard glue-line and outer layer glue.Industrial used rubber roller for industry adds in papermaking, printing and dyeing, printing, grain
It is obtained for extensive application in the fields such as work, metallurgy, plastic processing.
So that in paper technology, paper is carried out with the rubber roller for industry of press polish process as a example, in normal work, roll surfaces
Pressure distribution should be that ratio is more uniform, but because rubber roll is all to be fixed installation by two ends, therefore when rubber roll is longer
When, easily the situation of unbalance stress in roll surfaces, and it is excessive that this is likely to result in roll surfaces local pressure, or even can cause glue
The rubber layer of roller surface occurs damaged.Simultaneously as rubber roll is mutual extruding in the course of the work, the therefore pressure between rubber roll
Power can produce important impact to the quality of paper.In the prior art, the device rubber roll pressure not being monitored, this gives
The use of rubber roller for industry brings very big inconvenience, once roll surfaces bear pressure inequality, will have a strong impact on the quality of paper.
Content of the invention
For above-mentioned weak point of the prior art, the invention provides a kind of rubber roll operating pressure monitoring device, use
It is monitored in the operating pressure to rubber roller for industry.
The purpose of the present invention is achieved through the following technical solutions：
A kind of rubber roll operating pressure monitoring device is it is characterised in that include：Host computer, wireless receiving module, wireless transmission
Module, single-chip microcomputer and least one set pressure sensor；
Pressure sensor located at the surface or the inside that are cladded with glue-line of rubber roll, and with monolithic mechatronics；Single-chip microcomputer and
Wireless transmitter module is all on the roll neck of rubber roll, and single-chip microcomputer is electrically connected with wireless transmitter module；Wireless transmitter module with
Wireless receiving module is carried out data transmission by radio wave；Wireless receiving module and upper mechatronics；
Single-chip microcomputer gathers the operating pressure data being cladded with glue-line of rubber roll by pressure sensor, and passes through wireless transmission mould
Block will be cladded with the operating pressure data is activation of glue-line to wireless receiving module；Wireless receiving module receives the operation pressure being cladded with glue-line
Force data, and it is sent to host computer.
Preferably, every group of pressure sensor includes a piezoelectric film sensor for measuring rubber roll radial direction pressure
It is used for measuring the piezoresistive strain piece of rubber roll circumference pressure with one；Rubber roll be cladded with the surface of glue-line or inside is provided with least
One pressure measurement point, and each pressure measurement point arranges one group of pressure sensor.
Preferably, when pressure sensor located at rubber roll be cladded with glue-line inside when, pressure sensor distance is cladded with glue-line
Surface be not more than 20mm.Preferably, the roll neck of rubber roll is provided with conducting ring；It is dynamo-electric with monolithic that pressure sensor passes through conducting ring
Connect.
Preferably, the outside of single-chip microcomputer is provided with metal explosion-proof shell；Single-chip microcomputer is fixed on rubber roll by this metal explosion-proof shell
On roll neck.Preferably, wireless transmitter module and wireless receiving module are the telecommunication circuits based on IEEE 802.15.4.Preferably,
Wireless receiving module is connected by pci interface, PCI-E interface, USB interface or RS232 serial ports with host computer.Preferably, monolithic
Machine adopts intrinsic safety type STM32 single-chip microcomputer；Wireless transmitter module is using the wireless transmission electricity based on nRF2401 rf chip
Road；Wireless receiving module is using the wireless receiving circuit based on nRF2401 rf chip.
As seen from the above technical solution provided by the invention, the rubber roll operating pressure prison that the embodiment of the present invention is provided
Survey device and rubber roll radial direction pressure value is obtained by piezoelectric film sensor, and rubber roll circumference institute is obtained by piezoresistive strain piece
Pressurized force value, after the process through single-chip microcomputer 12 for these pressure datas, is sent to wireless receiving module by wireless transmitter module 13
14；Wireless receiving module 14 receives these pressure datas and parses the data of rubber roll radial direction pressure and rubber roll circumference is suffered
The data of pressure, is then forwarded to host computer 15, for monitoring, analysis, record, storage.As can be seen here, the embodiment of the present invention is carried
For rubber roll operating pressure monitoring device be not only simple in structure, certainty of measurement is high, safe and reliable, anti-explosion, anti-corrosion, and can
The operating pressure of rubber roller for industry is monitored, such that it is able to improve the hard-wired accuracy of rubber roller for industry, and industrial glue
Roller is processed the product quality of the product of producing.
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to required use in embodiment description
Accompanying drawing be briefly described it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation one of rubber roll operating pressure monitoring device provided in an embodiment of the present invention.
Fig. 2 is the structural representation two of rubber roll operating pressure monitoring device provided in an embodiment of the present invention.
Fig. 3 is that the cross section structure of rubber roll operating pressure monitoring device shown in Fig. 1 provided in an embodiment of the present invention is illustrated.
Fig. 4 is that the cross section structure of rubber roll operating pressure monitoring device shown in Fig. 2 provided in an embodiment of the present invention is illustrated.
Fig. 5 is the structural representation three of rubber roll operating pressure monitoring device provided in an embodiment of the present invention.
Fig. 6 is the structural representation four of rubber roll operating pressure monitoring device provided in an embodiment of the present invention.
Fig. 7 is that the cross section structure of rubber roll operating pressure monitoring device shown in Fig. 5 provided in an embodiment of the present invention is illustrated.
Fig. 8 is that the cross section structure of rubber roll operating pressure monitoring device shown in Fig. 6 provided in an embodiment of the present invention is illustrated.
Fig. 9 is the structural representation five of rubber roll operating pressure monitoring device provided in an embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on this
Inventive embodiment, the every other enforcement that those of ordinary skill in the art are obtained under the premise of not making creative work
Example, broadly falls into protection scope of the present invention.
Firstly the need of explanation, the rubber roll operating pressure monitoring device that the embodiment of the present invention is provided is primarily adapted for use in half
Footpath scope is the rubber roller for industry of 150～165mm.Mainly press polish process is carried out to paper in paper technology in present specification
Illustrate as a example rubber roller for industry, but this is not construed as limiting the invention.The glue below embodiment of the present invention being provided
Roller operating pressure monitoring device is described in detail.
As shown in Figures 1 to 9, a kind of rubber roll operating pressure monitoring device, its concrete structure includes：Host computer 15, wireless
Receiver module 14, wireless transmitter module 13, single-chip microcomputer 12 and least one set pressure sensor 11；Pressure sensor 11 is located at glue
The surface or the inside that are cladded with glue-line 3 of roller, and electrically connect with single-chip microcomputer 12；Single-chip microcomputer 12 and wireless transmitter module 13 all located at
On the roll neck 2 of rubber roll, and single-chip microcomputer 12 is electrically connected with wireless transmitter module 13；Wireless transmitter module 13 and wireless receiving module
14 are carried out data transmission by radio wave；Wireless receiving module 14 is electrically connected with host computer 15；
Single-chip microcomputer 12 gathers the operating pressure data being cladded with glue-line 3 of rubber roll by pressure sensor 11, and by wireless
Transmitter module 13 will be cladded with the operating pressure data is activation of glue-line 3 to wireless receiving module 14；Wireless receiving module 14 receives outer
Cover the operating pressure data of glue-line 3, and be sent to host computer 15.
Wherein, this rubber roll operating pressure monitoring device can include following specific embodiments：
(1) every group of pressure sensor 11 can include a piezoelectric membrane sensing for measuring rubber roll radial direction pressure
Device and a piezoresistive strain piece for measuring rubber roll circumference pressure；Rubber roll be cladded with the surface of glue-line 3 or inside is provided with
At least one pressure measurement point, and each pressure measurement point is provided with one group of pressure sensor 11, that is, one is used for measuring this pressure
The piezoelectric film sensor of measurement point rubber roll radial direction pressure and one are used for measuring rubber roll week at this pressure measurement point
Piezoresistive strain piece to pressure.Piezoelectric film sensor and piezoresistive strain piece are not to be overlappingly positioned over same pressure
Measurement point, but take and place or leave the modes of emplacements such as certain interval side by side.Because piezoelectric film sensor and pressure drag should
The size becoming piece is far smaller than the size of rubber roller for industry, therefore for the volume of rubber roller for industry, piezoelectric film sensor
It is negligible with the volume of piezoresistive strain piece, thus same pressure measurement point is not overlappingly placed a piezoelectric membrane and passed
Sensor and a piezoresistive strain piece can approx be considered to carry out pressure detecting to same pressure measurement point.
In actual applications, it is cladded with the surface of glue-line 3 or inside can regularly be distributed N number of pressure measurement point, each
Pressure measurement point can be provided with one group of pressure sensor 11, that is, have N group pressure sensor 11；And every group of pressure sensor 11
A piezoelectric film sensor and a piezoresistive strain piece can be included, as long as in therefore every group of pressure sensor 11, piezoelectricity is thin
The gap of film sensors and piezoresistive strain piece and modes of emplacement are all consistent, then can so that piezoelectric film sensor and
Piezoresistive strain piece forms the array of pressure sensors of a rule distribution, and this contributes to the operating pressure of rubber roll diverse location is entered
Row is more accurately monitored and is analyzed.
(2) when pressure sensor 11 located at rubber roll be cladded with glue-line 3 inside when, pressure sensor 11 distance is cladded with glue-line
3 surface is not more than 20mm, if pressure sensor 11 is excessive with the surface distance being cladded with glue-line 3, then less pressure can
Can will not be detected by pressure sensor 11, this brings error can to the monitoring to rubber roll operating pressure.
(3) roll neck 2 of rubber roll is provided with conducting ring 16；Pressure sensor 11 is electrically connected with single-chip microcomputer 12 by conducting ring 16
Connect.In actual applications, this conducting ring 16 can be using the conducting ring of model SRM-12-06D in prior art.
(4) outside of single-chip microcomputer 12 is provided with metal explosion-proof shell；Single-chip microcomputer 12 is fixed on rubber roll by this metal explosion-proof shell
On roll neck 2.Because the working environment of rubber roller for industry is more complicated, single-chip microcomputer 12 is arranged on the roll neck 2 of rubber roller for industry to be needed
The risk that prevention work environment is brought, therefore single-chip microcomputer 12 are first fixed in metal explosion-proof shell, then pass through this metal explosion-proof shell
It is fixed on the roll neck 2 of rubber roll, this can improve the adaptability of single-chip microcomputer 12 environment to external world.
(5) wireless transmitter module 13 and wireless receiving module 14 are the telecommunication circuits based on IEEE 802.15.4；In reality
In application, wireless transmitter module 13 can be using the radio transmitter based on nRF2401 rf chip in prior art；
Wireless receiving module 14 can be using the wireless receiving circuit based on nRF2401 rf chip in prior art.
(6) wireless receiving module 14 can be a wireless communication module independent of host computer 15 or upper
The wireless communication module that machine 15 inherently has.Wireless receiving module 14 can be connect by pci interface, PCI-E with host computer 15
Mouth, USB interface or RS232 serial ports are attached.
(7) single-chip microcomputer 12 is preferably with intrinsic safety type STM32 single-chip microcomputer of the prior art；Intrinsic safety type is essential safe type
Referred to as, it is a kind of safest type of explosion proof construc tion of all type of explosion proof construc tion, no matter intrinsic safety type STM32 single-chip microcomputer is internal short-circuit or short
Road, all can not cause the flammable explosive gas of surrounding environment to explode, this can enable single-chip microcomputer 12 better adapt to industrial glue
The working environment of roller, thus improve this rubber roll operating pressure monitoring device to run security capabilities.
Specifically, because rubber roller for industry is in running, it is radially and circumferentially all under pressure, and therefore this rubber roll runs
The course of work of pressure monitoring device is as follows：Piezoelectric film sensor obtains rubber roll radial direction pressure value, and is converted into
Voltage value signal；Piezoresistive strain piece obtains rubber roll circumference pressure value, is also converted into voltage value signal；These magnitudes of voltage
After the process through single-chip microcomputer 12 for the signal, wireless receiving module is sent in the form of radio wave by wireless transmitter module 13
14；Wireless receiving module 14 receives these radio waves, and parses data or the rubber roll circumference institute of rubber roll radial direction pressure
The data being stressed, is then forwarded to host computer 15, for monitoring, analysis, record, storage.
Additionally, according to software programming technique of the prior art and mathematical modeling technology, can write on host computer 15
Specific program, carries out automaticdata with the data realizing the data to rubber roll radial direction pressure and rubber roll circumference pressure and divides
Analysis, and carry out different responses, for example for different analysis results：Pressure inequality warning, data storage overflow alarm etc.
Response.
In order to more clearly from show technical scheme provided by the present invention and produced technique effect, below with several
Individual specific embodiment is described in detail to rubber roll operating pressure monitoring device provided by the present invention.
Embodiment one
As shown in Fig. 5, Fig. 7 and Fig. 9, a kind of rubber roll operating pressure monitoring device, its concrete structure includes：Host computer 15,
Wireless receiving module 14, wireless transmitter module 13, single-chip microcomputer 12 and multigroup pressure sensor 11；Every group of pressure sensor 11 wraps
Include a piezoelectric film sensor and a piezoresistive strain piece；Each piezoelectric film sensor and piezoresistive strain piece are all pasted onto glue
The surface being cladded with glue-line 3 of roller, and electrically connected with single-chip microcomputer 12 by conducting ring 16；Conducting ring 16, single-chip microcomputer 12 and wireless
Transmitter module 13 is all on the roll neck 2 of rubber roll, and single-chip microcomputer 12 is electrically connected with wireless transmitter module 13；Wireless transmitter module
13 are carried out data transmission by radio wave with wireless receiving module 14；Wireless receiving module 14 is electrically connected with host computer 15.
Wherein, the size of piezoelectric film sensor is：15×12×1mm；The size of piezoresistive strain piece is：5.4×7.5×
1mm；Conducting ring 16 adopts the conducting ring of model SRM-12-06D in prior art；Single-chip microcomputer 12 adopts of the prior art
Peace type STM32 single-chip microcomputer；Wireless transmitter module 13 adopts the wireless transmission in prior art based on nRF2401 rf chip
Circuit；Wireless receiving module 14 adopts the wireless receiving circuit in prior art based on nRF2401 rf chip.Wirelessly connect
Receiving module 14 is the wireless communication module that host computer 15 inherently has, and wireless receiving module 14 can lead to host computer 15
Cross pci interface to be attached.
Specifically, the course of work of this rubber roll operating pressure monitoring device is as follows：Piezoelectric film sensor obtains rubber roll footpath
To pressure value, and it is converted into voltage value signal；Piezoresistive strain piece obtains rubber roll circumference pressure value, also by its turn
It is changed to voltage value signal；After the process through single-chip microcomputer 12 for these voltage value signals, by wireless transmitter module 13 with radio wave
Form be sent to wireless receiving module 14；Wireless receiving module 14 receives these radio waves, and parses rubber roll radial direction institute
The data being stressed or the data of rubber roll circumference pressure, are then forwarded to host computer 15, for monitoring, analyzing, record, deposit
Storage.
In actual applications, this rubber roll operating pressure monitoring device is applied and be 500mm, be cladded with glue-line 3 thickness in radius
For, on the rubber roller for industry of 30mm, being learnt by test of many times, the pressure measurement accuracy of this rubber roll operating pressure monitoring device is permissible
Reach 20 newton/cm2.
As fully visible, the embodiment of the present invention have that structure is simple, certainty of measurement is high, safe and reliable, explosion-proof, anticorrosion etc. excellent
Point, can not only be monitored to the operating pressure of rubber roller for industry, and be capable of real-time monitoring, such that it is able to improve industry
The hard-wired accuracy of rubber roll, and rubber roller for industry processed the product quality of the product of producing.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in,
All should be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (7)
1. a kind of rubber roll operating pressure monitoring device is it is characterised in that include：Host computer, wireless receiving module, wireless transmission mould
Block, single-chip microcomputer and least one set pressure sensor；
Pressure sensor located at the surface or the inside that are cladded with glue-line of rubber roll, and with monolithic mechatronics；Single-chip microcomputer and wireless
Transmitter module is all on the roll neck of rubber roll, and single-chip microcomputer is electrically connected with wireless transmitter module；Wireless transmitter module with wireless
Receiver module is carried out data transmission by radio wave；Wireless receiving module and upper mechatronics；
Single-chip microcomputer gathers the operating pressure data being cladded with glue-line of rubber roll by pressure sensor, and will by wireless transmitter module
The operating pressure data is activation being cladded with glue-line is to wireless receiving module；Wireless receiving module receives the operating pressure number being cladded with glue-line
According to, and it is sent to host computer；
Every group of pressure sensor include a piezoelectric film sensor for measuring rubber roll radial direction pressure and one be used for
The piezoresistive strain piece of measurement rubber roll circumference pressure；The be cladded with surface of glue-line or the inside of rubber roll are provided with least one pressure and survey
Amount point, and each pressure measurement point arranges one group of pressure sensor.
2. rubber roll operating pressure monitoring device according to claim 1 is it is characterised in that work as pressure sensor located at rubber roll
Be cladded with glue-line inside when, the surface that pressure sensor distance is cladded with glue-line is not more than 20mm.
3. rubber roll operating pressure monitoring device according to any one of claim 1 to 2 is it is characterised in that the roller of rubber roll
Neck is provided with conducting ring；Pressure sensor passes through conducting ring and monolithic mechatronics.
4. rubber roll operating pressure monitoring device according to any one of claim 1 to 2 is it is characterised in that single-chip microcomputer
Outside is provided with metal explosion-proof shell；Single-chip microcomputer is fixed on the roll neck of rubber roll by this metal explosion-proof shell.
5. rubber roll operating pressure monitoring device according to any one of claim 1 to 2 is it is characterised in that wireless transmission
Module and wireless receiving module are the telecommunication circuits based on IEEE 802.15.4.
6. rubber roll operating pressure monitoring device according to any one of claim 1 to 2 is it is characterised in that wireless receiving
Module is connected by pci interface, PCI-E interface, USB interface or RS232 serial ports with host computer.
7. rubber roll operating pressure monitoring device according to any one of claim 1 to 2 is it is characterised in that single-chip microcomputer is adopted
With intrinsic safety type STM32 single-chip microcomputer；Wireless transmitter module is using the radio transmitter based on nRF2401 rf chip；No
Line receiver module is using the wireless receiving circuit based on nRF2401 rf chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410535065.6A CN104266782B (en) | 2014-10-11 | 2014-10-11 | Rubber covered roller operating pressure monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410535065.6A CN104266782B (en) | 2014-10-11 | 2014-10-11 | Rubber covered roller operating pressure monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104266782A CN104266782A (en) | 2015-01-07 |
| CN104266782B true CN104266782B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410535065.6A Expired - Fee Related CN104266782B (en) | 2014-10-11 | 2014-10-11 | Rubber covered roller operating pressure monitoring device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806518B (en) * | 2016-05-25 | 2018-10-02 | 浙江亚卫通科技有限公司 | The anti-shear signal detecting system of stage based on self power generation and wireless transmission |
| CN107323002A (en) * | 2017-08-25 | 2017-11-07 | 上海大松瓦楞辊有限公司 | A kind of Corrugator roller extractor fan |
| CN111531923B (en) * | 2020-06-08 | 2024-03-12 | 中国水产科学研究院渔业机械仪器研究所 | Roller brush capable of displaying pressure and working method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201924237U (en) * | 2010-12-23 | 2011-08-10 | 杭州顺隆胶辊有限公司 | Wireless real-time monitor system for rubber-covered rollers |
| CN203062440U (en) * | 2013-01-04 | 2013-07-17 | 杭州顺隆胶辊有限公司 | Detecting device of rubber roller monitoring system |
| CN103604399A (en) * | 2013-10-24 | 2014-02-26 | 沈阳达尔科技开发有限公司 | Highly-intelligent comprehensive measuring instrument and measuring method |
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Owner name: TENGZHOU LIHUA MITAIKESI TOP ROLLER CO., LTD. Free format text: FORMER OWNER: ZAOZHUANG UNIVERSITY Effective date: 20150806 |
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Effective date of registration: 20150806 Address after: 277500 Shandong city of Zaozhuang province Tengzhou City Hengyuan Economic Development Zone No. 366 North Road Applicant after: Tengzhou Lihua Mitex Elastomer Roller Co., Ltd. Address before: 277160 No. 1, Bei'an Road, Zaozhuang, Shandong Applicant before: Zaozhuang University |
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Effective date of registration: 20170821 Address after: 277500 No. 1, Bei'an Road, Zaozhuang, Shandong Co-patentee after: Tengzhou Lihua Mitex Elastomer Roller Co., Ltd. Patentee after: Zaozhuang University Address before: 277500 Shandong city of Zaozhuang province Tengzhou City Hengyuan Economic Development Zone No. 366 North Road Patentee before: Tengzhou Lihua Mitex Elastomer Roller Co., Ltd. |
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