CN105600353B - A kind of circular pipe belt type conveyer adhesive tape running state detecting device and method - Google Patents
A kind of circular pipe belt type conveyer adhesive tape running state detecting device and method Download PDFInfo
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- CN105600353B CN105600353B CN201610071978.6A CN201610071978A CN105600353B CN 105600353 B CN105600353 B CN 105600353B CN 201610071978 A CN201610071978 A CN 201610071978A CN 105600353 B CN105600353 B CN 105600353B
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- adhesive tape
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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
- B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating
-
- 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
- B65G2203/044—Optical
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- Length Measuring Devices By Optical Means (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention belongs to circular pipe belt type conveyer detection technique field, and in particular to a kind of circular pipe belt type conveyer adhesive tape running state detecting device and method.Realized with non-contact measuring means to circular pipe belt type conveyer adhesive tape on-line real-time measuremen, find adhesive tape torsion, tube expansion, tubulose state of collapsing in time, timely alert notice staff processing, prevent major accident.A kind of circular pipe belt type conveyer adhesive tape running state detecting device, including ring support, displacement transducer, signal processing module and background monitoring computer；The present invention will not produce any damage to adhesive tape in itself using laser displacement sensor as non-contact measuring means, detection process, there is provided the safety and reliability of system.
Description
Technical field
The invention belongs to circular pipe belt type conveyer detection technique field, and in particular to a kind of circular pipe belt type conveyer adhesive tape fortune
Row condition checkout gear and method.
Background technology
Circular pipe belt type conveyer is a kind of new special belt to grow up on the basis of traditional flute profile ribbon conveyer
Conveyer, it is oriented to by some groups of transition carrier roller groups adhesive tape being curled into circular tube shaped, and material is enclosed in the adhesive tape of circular tube shaped
It is interior, so as to realize the airtight transportation of logistics.In conveyor head, afterbody, adhesive tape expands into Planar realization discharging, charging.Pipe
Ribbon conveyer has the characteristics that material enclosed conveying, flexible arrangement, minor-circle turn, high-inclination conveying, Bidirectional transporting.Pipe
Ribbon conveyer has obvious economy compared with other mode of movements, and environmental benefit is good, applied to mine, coal
The industries such as charcoal, cement, metallurgy, harbour.
But the mechanical structure of circular pipe belt type conveyer determines its phenomenon that can be twisted in the process of running, leads
Cause directly over the adhesive tape both sides of the edge lap-joint substantial deviation of circular tube shaped, sideslip to both sides even lower section（That is anti-package）, so as to lead
Circular tube shaped adhesive tape when charging, discharging is caused not deploy normally, cause the accident generation.
When load redundancy, tube expansion phenomenon can occur for circular tube shaped adhesive tape, can increase circular pipe belt type conveyer when tube expansion is serious
Running resistance, increase motor current drain, and threaten carrying roller and louver configuration safety along circular pipe belt type conveyer.
When adhesive tape aging, adhesive tape itself can not maintain completed state to collapse tube field, can occur when the pipe that collapses is serious
Material leakage accident.The pipe that collapses is one of performance of adhesive tape aging.
It is current to take precautions against adhesive tape torsion, tube expansion, pipe failure of collapsing more by the way of manual inspection, contact are examined, manually patrol
It is low to examine operating efficiency, and missing inspection easily occurs.Contact examines general be pressed in using travel switch on adhesive tape to test, though
Missing inspection is so avoided that to a certain extent, but brings the risk for scratching adhesive tape.In a word there is severe safety in existing detection means
Hidden danger.
The content of the invention
The invention reside in a kind of circular pipe belt type conveyer adhesive tape running state detecting device is provided, with non-contact measuring means
Realize to circular pipe belt type conveyer adhesive tape on-line real-time measuremen, find adhesive tape torsion, tube expansion, tubulose state of collapsing, and alarm in time
Notify staff to handle, prevent major accident.
The present invention takes following technical scheme：A kind of circular pipe belt type conveyer adhesive tape running state detecting device, including ring
Shape support, displacement transducer, signal processing module and background monitoring computer；Ring support is arranged on circular pipe belt type conveyer window
On roller rack on plate, circular tube shaped adhesive tape is passed through from the annular central of ring support, and annular groove is provided with the inside of ring support,
Some displacement transducers are provided with ring support groove, displacement transducer is connected with signal processing module, signal processing module and
Background monitoring computer connects.Signal processing module is installed nearby, is connected by transducer connection cable with displacement transducer.Institute
State background monitoring computer and may be mounted to point of presence, be connected by teletransmission cable with signal processing module.
The ring support is divided into two parts up and down, and the top half of ring support is provided with a support feet, annular branch
The latter half of frame is provided with two support feets, and three support feets are installed with the roller rack on circular pipe belt type conveyer luffer boards respectively
Hole is fixed, the back-to-back installation of roller rack of three support feets of ring support and three each 120 degree of spacing, ring support installation
Two parts are merged into an annular up and down after good, and the annular center of circle is rolled into circular tube shaped for the adhesive tape of the circular pipe belt type conveyer
When its section circle the center of circle.
The ring support surface is provided with 360 degree of scale markers, and ring support side is provided with what two row's rings were staggered
The interrupted annular distance used, the concentric of interrupted annular distance and ring support are fixed for displacement transducer.Displacement transducer can be in annular
Any angle is installed on support, and has graduation indication.
The depth of groove of the ring support is more than the height of displacement transducer.Ring support provides machine for displacement transducer
Tool, shading protection.
Institute's displacement sensors are laser displacement sensor.For non-contact detection means.
Institute's displacement sensors possess 2 parameters：To the distance value and established angle on a toroidal support of tape surface
Angle value.By displacement sensor, angle value is positioned and angle parameter is initialized into write signal distance value by installation personnel
Manage in module.
The signal processing module collection power supply circuit, signal acquisition circuit, signal conditioning circuit, governor circuit, keyboard show
Show that circuit, communicating circuit support the access of No. 12 displacement transducers in one, individual signals processing module.The tool of displacement transducer
Depending on body installation number can be by accuracy of detection demand.
The ring support, displacement transducer, signal processing module, transducer connection cable can be supported in 32 pipe bands
Formula conveyer section is installed, and the signal processing module of each section passes through teletransmission cable and background monitoring computer and monitoring software
It is connected.
The connection of described 1 to 32 signal processing modules of background monitoring computer supported.Can be real-time at monitoring software interface
Show adhesive tape state, when occur adhesive tape torsions, tube expansion, collapse pipe when can trigger alarm.
A kind of circular pipe belt type conveyer adhesive tape method for detecting operation state, is comprised the following steps that：
1）, circular tube shaped adhesive tape run first in normal condition, displacement transducer collects the mark of tape surface distance value
Calibration signal, comprising tape edge lap-joint standard signal and non-overlapping place's standard signal, and position is set on signal processing module
The setting angle value information of displacement sensor, signal processing module transmit the distance value data for being equipped with angle information stamp
Background monitoring computer.
2）, on background monitoring computer circular pipe belt type conveyer caliber, tape thickness and tape edge overlap joint are set just
Beginning position initiation parameter, according to the distance value data combination algorithm of the angled information stamp collected generate one simulation
Circular tube shaped adhesive tape view, and the figure refreshes in real time with gathered data.
3）, on background monitoring computer set adhesive tape reverse alarm angle, reverse shut down angle, tube expansion alarm height,
Tube expansion shuts down height, the pipe that collapses alarm height and the pipe that collapses and shuts down height twice gated service value.
4）, in circular tube shaped adhesive tape follow-up operation, displacement transducer collect in real time tape surface distance value contrast letter
Number, contrast signal is sent to background monitoring computer by signal processing module.
5）, background monitoring computer contrasted contrast signal and standard signal.
Non-overlapping place's standard signal is respectively less than if there is all contrast signals of each angle, now judges there is tube expansion wind
Danger, if（Non-overlapping place's standard signal-contrast signal arithmetic average）During >=tube expansion alarm height, tube expansion alarm command is triggered,
If（Non-overlapping place's standard signal-contrast signal arithmetic average）When >=tube expansion shuts down height, tube expansion halt instruction is triggered；
Non-overlapping place's standard signal is all higher than if there is multiple contrast signals in continuous angle, now judges there is the pipe that collapses
Risk, if（Contrast signal arithmetic average-non-overlapping place standard signal）During >=the pipe that collapses alarm height, trigger pipe alarm of collapsing and refer to
Order, if（Contrast signal arithmetic average-non-overlapping place standard signal）When >=the pipe that collapses shuts down height, the pipe halt instruction that collapses is triggered；
It is less than non-overlapping place's standard signal if there is the single contrast signal of anon-normal upper angle, and is less than or equal to adhesive tape side
When virgin rubber belt edge lap-joint standard signal at edge lap-joint standard signal or the angle adjacent angular disappears, now judge have
Risk is reversed, if angle >=torsion herein is alarmed during angle, alarm command is reversed in triggering, if angle is shut down in angle >=torsion herein
When, halt instruction is reversed in triggering.
Compared with prior art, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, ring support is divided into two parts up and down, and its support feet mounting hole is identical with luffer boards roller rack mounting hole,
Ring support and the back-to-back installation of roller rack can be realized using a set of bolt, erecting bed improves without perforate again
Convenience is installed.
2nd, adhesive tape will not be produced in itself any as non-contact measuring means, detection process using laser displacement sensor
Damage, there is provided the safety and reliability of system.
3rd, the installation of displacement transducer any angle, displacement transducer more installations on a toroidal support are supported on ring support
After can ensure 360 degree of circular tube shaped adhesive tape detection non-blind area dead angles.
4th, on-line real-time measuremen, various faults detection, can detect torsion, tube expansion, pipe failure of collapsing simultaneously.
5th, remotely monitor, it is very clear to adhesive tape running situation, reduce labor intensity.
Package unit supports more section installations, and background monitoring software can also draw whole circular pipe belt type conveyer from head
State status schematic diagram along to tail adhesive tape, this function can provide the operation reference of whole piece adhesive tape for staff.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the sectional view of A-A in Fig. 1；
Fig. 3 is the scheme of installation of the present invention；
Fig. 4 is Fig. 3 top view.
Fig. 5 is the electrical block diagram of the present invention；
In figure：1- supports, 2- displacement transducers, 3- signal processing modules, 4- transducer connection cables, 5- teletransmission cables,
6- background monitoring computers.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be understood that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of circular pipe belt type conveyer adhesive tape running state detecting device, including ring support
1st, displacement transducer 2, signal processing module 3 and background monitoring computer 6；Ring support 1 is arranged on circular pipe belt type conveyer window
On roller rack on plate, the annular central of circular tube shaped adhesive tape from ring support 1 passes through, and it is recessed that the inner side of ring support 1 is provided with annular
Groove, the groove of ring support 1 is interior to be provided with some displacement transducers 2, and displacement transducer 2 is connected with signal processing module 3, signal transacting
Module 3 is connected with background monitoring computer 6.
The ring support 1 is divided to is provided with a support feet for upper and lower two parts, the top half of ring support 1, annular
The latter half of support 1 is provided with two support feets, three support feets respectively with the roller rack on circular pipe belt type conveyer luffer boards
Mounting hole is fixed, the back-to-back installation of roller rack of three support feets of ring support 1 and three each 120 degree of spacing, annular branch
Frame 1 installs rear two parts up and down and is merged into an annular, and the annular center of circle is the tape roll of the circular pipe belt type conveyer
The center of circle justified into its section during circular tube shaped.
The surface of ring support 1 is provided with 360 degree of scale markers, and the side of ring support 1 is staggered provided with two row's rings
Fix the interrupted annular distance that uses, the concentric of interrupted annular distance and ring support for displacement transducer 2.
The depth of groove of the ring support 1 is more than the height of displacement transducer 2.The groove of ring support 1 passes for displacement
Sensor 2 provides shell mechanical protection and shading measure.
Institute's displacement sensors 2 are laser displacement sensor.
The signal processing module 3 collects power supply circuit, signal acquisition circuit, signal conditioning circuit, governor circuit, keyboard and shown
Show that circuit, communicating circuit support the access of No. 12 displacement transducers 2 in one, individual signals processing module 3.
The background monitoring computer 6 supports the connection of 1 to 32 signal processing modules 3.
The uniformly installation six of the present embodiment laser displacement sensor, respective 60 degree of spacing.Initial angle information is respectively 0
Degree, 60 degree, 120 degree, 180 degree, 240 degree, 300 degree.
Circular pipe belt type conveyer adhesive tape method for detecting operation state, step are as follows：
1）, circular tube shaped adhesive tape run first in normal condition, displacement transducer 2 collects the mark of tape surface distance value
Calibration signal, as tape edge lap-joint standard signal is 85mm in this example, non-overlapping place's standard signal is 100mm.And believing
The setting angle value information of displacement transducer 2 is set in number processing module 3.Signal processing module 3 will be equipped with angle information stamp
Distance value data transmit background monitoring computer 6.
2）, on background monitoring computer 6 circular pipe belt type conveyer caliber, tape thickness, tape edge overlap joint are set just
The beginning initiation parameter such as position, it is 350mm that this example, which sets circular pipe belt type conveyer caliber, tape thickness 20mm, adhesive tape side
Edge overlap joint initial position is arranged on 0 degree（Surface）.Monitoring software is according to the distance value number of the angled information stamp collected
The circular tube shaped adhesive tape view of a simulation is generated according to combination algorithm, and the figure refreshes in real time with gathered data.
3）, on background monitoring computer and monitoring software 6 set adhesive tape to reverse alarm angle, reverse and shut down angle, swollen
Pipe alarm height, tube expansion shut down height, the pipe that collapses alarm height, the pipe that collapses and shut down the twice gated service values such as height.This example sets adhesive tape
It is 60 degree to reverse alarm angle（Each 60 degree of left and right）, reverse shut down angle be 120 degree（Each 120 degree of left and right）, tube expansion alarm height
It is highly 25mm to be shut down for 20mm, tube expansion, the pipe that collapses alarm height is 25mm, the pipe that collapses shutdown height is 35mm.
4）, in circular tube shaped adhesive tape follow-up operation, displacement transducer（2）The contrast of tape surface distance value is collected in real time
Signal.Signal processing module（3）Contrast signal is sent to background monitoring computer（6）.
5）, background monitoring computer（6）Contrast signal and standard signal are contrasted.
Non-overlapping place's standard signal is respectively less than if there is all contrast signals of each angle, i.e., laser displacement passes at six
The distance value contrast signal of sensor collection is respectively less than 100mm, now judges there is tube expansion risk.If now contrast signal arithmetic at six
Average value is 79mm, then 100mm-79mm=21mm, has exceeded tube expansion alarm height, has triggered tube expansion alarm command.If now at six
Contrast signal arithmetic mean of instantaneous value is 74mm, then 100mm-74mm=26mm, has exceeded tube expansion and has shut down height, triggering tube expansion, which is shut down, to be referred to
Order.
Be all higher than non-overlapping place's standard signal if there is multiple contrast signals in continuous angle, i.e., when 0 degree, 60 degree,
The distance value contrast signal that laser displacement sensor collects at 300 degree is all higher than 100mm, now judges to have manage-style danger of collapsing.If
Now contrast signal arithmetic mean of instantaneous value is 126mm at three, then 126mm-100mm=26mm, has exceeded pipe alarm height of collapsing, triggering
Collapse pipe alarm command.If now contrast signal arithmetic mean of instantaneous value is 136mm at three, 136mm-100mm=36mm, exceedes and collapsed
Pipe shuts down height, triggers the pipe halt instruction that collapses.
It is less than non-overlapping place's standard signal if there is the single contrast signal of anon-normal upper angle, and is less than or equal to adhesive tape side
When virgin rubber belt edge lap-joint standard signal at edge lap-joint standard signal or the angle adjacent angular disappears, i.e., this example exists
The distance value that laser displacement sensor collects at 60 degree or 300 degree single one is less than 100mm, and when being less than or equal to 85mm, or
The distance value that laser displacement sensor collects at 60 degree or 300 degree single one of person is less than 100mm, while virgin rubber band edge at 0 degree
When edge lap-joint standard signal has disappeared, now judge there is torsion risk.If angle information herein is 60 degree or 300 degree,
Alarm command is reversed in triggering.If angle information herein be 120 degree or 240 degree, even 180 degree when, trigger torsion shutdown refer to
Order.
During more section installations, by the more section adhesive tape running situations of real-time display on monitoring software, whole piece adhesive tape can be drawn
Torsion situation schematic diagram, tube expansion situation schematic diagram, pipe situation schematic diagram of collapsing.The present invention can be that circular pipe belt type conveyer runs people
Member provides true and reliable adhesive tape service data, reduces potential safety hazard to greatest extent.
The embodiment of the present invention is elaborated above in association with accompanying drawing, but the present invention is not limited to above-mentioned reality
Mode, all any modification, equivalent and improvement done within the spirit and principle of this practicality invention etc. are applied, all should be included
Within the protection domain of this practicality invention.
Claims (2)
- A kind of 1. circular pipe belt type conveyer adhesive tape method for detecting operation state, it is characterised in that：Including ring support（1）, displacement Sensor（2）, signal processing module（3）With background monitoring computer（6）；Ring support（1）On the roller rack on circular pipe belt type conveyer luffer boards, circular tube shaped adhesive tape is from ring support（1） Annular central pass through, ring support（1）Inner side is provided with annular groove, ring support（1）Some displacement sensings are provided with groove Device（2）, displacement transducer（2）With signal processing module（3）Connection, signal processing module（3）With background monitoring computer（6）Even Connect；The ring support（1）It is divided into two parts up and down, ring support（1）Top half be provided with a support feet, annular Support（1）The latter half be provided with two support feets, three support feets respectively with the carrying roller branch on circular pipe belt type conveyer luffer boards Frame mounting hole is fixed, ring support（1）Three support feets and three each 120 degree of spacing the back-to-back installation of roller rack, ring Shape support（1）Two parts are merged into an annular up and down after installing, and the annular center of circle is the circular pipe belt type conveyer The center of circle that its section is justified when adhesive tape is rolled into circular tube shaped；The ring support（1）Surface is provided with 360 degree of scale markers, ring support（1）Side is staggered provided with two row's rings Supply displacement transducer（2）The fixed interrupted annular distance used, the concentric of interrupted annular distance and ring support；The ring support（1）Depth of groove be more than displacement transducer（2）Height；Institute's displacement sensors（2）For laser displacement sensor；The signal processing module（3）Collect power supply circuit, signal acquisition circuit, signal conditioning circuit, governor circuit, keyboard ＆ display Circuit, communicating circuit are in one, individual signals processing module（3）Support No. 12 displacement transducers（2）Access；The background monitoring computer（6）Support 1 to 32 signal processing modules（3）Connection；Methods described includes,1）, circular tube shaped adhesive tape run first in normal condition, displacement transducer（2）Collect the standard of tape surface distance value Signal, comprising tape edge lap-joint standard signal and non-overlapping place's standard signal, and in signal processing module（3）Upper setting position Displacement sensor（2）Setting angle value information, signal processing module（3）The distance value data for being equipped with angle information stamp is packed It is sent to background monitoring computer（6）；2）, in background monitoring computer（6）Upper setting circular pipe belt type conveyer caliber, tape thickness and tape edge overlap joint are initial The initiation parameter of position, according to one simulation of the distance value data combination algorithm of the angled information stamp collected generation Circular tube shaped adhesive tape view, and the figure refreshes in real time with gathered data；3）, in background monitoring computer（6）It is upper setting adhesive tape reverse alarm angle, reverse shut down angle, tube expansion alarm height, it is swollen Pipe shuts down height, the pipe that collapses alarm height and the pipe that collapses and shuts down height twice gated service value；4）, in circular tube shaped adhesive tape follow-up operation, displacement transducer（2）The contrast letter of tape surface distance value is collected in real time Number, signal processing module（3）Contrast signal is sent to background monitoring computer（6）；5）, background monitoring computer（6）Contrast signal and standard signal are contrasted.
- 2. circular pipe belt type conveyer adhesive tape method for detecting operation state according to claim 1, it is characterised in that：On backstage Computer（6）It is respectively less than non-if there is all contrast signals of each angle when contrast signal and standard signal are contrasted Lap-joint's standard signal, now judge there is tube expansion risk, if（Non-overlapping place's standard signal-contrast signal arithmetic average）≥ During tube expansion alarm height, tube expansion alarm command is triggered, if（Non-overlapping place's standard signal-contrast signal arithmetic average）>=swollen When pipe shuts down height, tube expansion halt instruction is triggered；Non-overlapping place's standard signal is all higher than if there is multiple contrast signals in continuous angle, now judges there is manage-style of collapsing Danger, if（Contrast signal arithmetic average-non-overlapping place standard signal）During >=the pipe that collapses alarm height, the pipe alarm command that collapses is triggered, If（Contrast signal arithmetic average-non-overlapping place standard signal）When >=the pipe that collapses shuts down height, the pipe halt instruction that collapses is triggered；It is less than non-overlapping place's standard signal if there is the single contrast signal of anon-normal upper angle, and is taken less than or equal to tape edge When connecing the virgin rubber belt edge lap-joint standard signal disappearance at place's standard signal or the angle adjacent angular, now judge there is torsion Risk, if angle >=torsion herein is alarmed during angle, alarm command is reversed in triggering, if angle is shut down in angle >=torsion herein, Halt instruction is reversed in triggering.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071978.6A CN105600353B (en) | 2016-02-02 | 2016-02-02 | A kind of circular pipe belt type conveyer adhesive tape running state detecting device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071978.6A CN105600353B (en) | 2016-02-02 | 2016-02-02 | A kind of circular pipe belt type conveyer adhesive tape running state detecting device and method |
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| CN105600353A CN105600353A (en) | 2016-05-25 |
| CN105600353B true CN105600353B (en) | 2017-12-01 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111646136A (en) * | 2019-11-27 | 2020-09-11 | 泰富重工制造有限公司 | Pipe belt conveyor |
| CN112357454B (en) * | 2020-11-30 | 2024-04-26 | 华电重工股份有限公司 | Device and method for detecting lap joint position of adhesive tape of tubular belt conveyor |
| CN117622810B (en) * | 2024-01-25 | 2024-04-19 | 山西戴德测控技术股份有限公司 | Conveyor belt monitoring method, device, equipment and computer storage medium |
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| JPH0848415A (en) * | 1994-08-04 | 1996-02-20 | Yokohama Rubber Co Ltd:The | Pipe conveyor device with torsion detector means |
| WO2009069422A1 (en) * | 2007-11-30 | 2009-06-04 | Bridgestone Corporation | Pipe conveyor belt |
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| CN105600353A (en) | 2016-05-25 |
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Denomination of invention: Device and method for detecting running state of rubber belt for round tube belt conveyor Effective date of registration: 20200319 Granted publication date: 20171201 Pledgee: Shanxi Financing Reinsurance Group Co., Ltd. Pledgor: TAIYUAN XIANGMING INTELLIGENT CONTROL TECHNOLOGY Co.,Ltd. Registration number: Y2020980000839 |
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Denomination of invention: A detection device and method for belt running state of round pipe belt conveyor Effective date of registration: 20210519 Granted publication date: 20171201 Pledgee: Shanxi Financing Guarantee Co.,Ltd. Pledgor: TAIYUAN XIANGMING INTELLIGENT CONTROL TECHNOLOGY Co.,Ltd. Registration number: Y2021990000446 |
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