CN207395645U - A kind of TBM hob total state real time on-line monitoring system - Google Patents
A kind of TBM hob total state real time on-line monitoring system Download PDFInfo
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- CN207395645U CN207395645U CN201721461982.XU CN201721461982U CN207395645U CN 207395645 U CN207395645 U CN 207395645U CN 201721461982 U CN201721461982 U CN 201721461982U CN 207395645 U CN207395645 U CN 207395645U
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- tbm hob
- tbm
- hall element
- real time
- hob
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Abstract
The utility model discloses a kind of TBM hob total state real time on-line monitoring systems, including inductance type transducer, Hall element, foil gauge, sensor base, inductance type transducer and Hall element are arranged in sensor base, the inductance type transducer is corresponding with the cutter ring of TBM hob, in TBM hob magnetic patch is relatively set with the Hall element, the axis hole of TBM hob is provided with support voussoir and tenses voussoir, foil gauge is arranged in support voussoir, signal processing unit is provided in sensor base, inductance type transducer, Hall element and foil gauge are connected with signal processing unit, signal processing unit is connected by wireless communication module with TBM host computers.The utility model can monitor four wear extent of TBM hob, TBM hob rotating speed, TBM hob stress and TBM hob operating temperature index parameters, the working condition of TBM hob can be accurately monitored by monitoring in real time, TBM hob condition in damaged is learnt in time, convenient for carrying out maintenance or replacing to TBM hob in time.
Description
Technical field
The utility model is related to TBM hobs to monitor field, particularly relates to a kind of TBM hob total state real time on-line monitoring system
System.
Background technology
For TBM as large-scale engineering machinery, working environment is severe, system complex and huge, and an arbitrary part goes wrong
System-down is this may result in, construction efficiency is caused to substantially reduce.TBM cutters are the direct executors that TBM is tunneled forward, easily
Loss.The wear extent of cutter directly influences construction efficiency, adds construction cost indirectly.According to previous condition of construction, TBM works
In when making trouble, the detection and excessive wear of cutter cause the time of equipment hang-up replacement and repair occupancy and expense about whole
The 30% of body engineering.Thus need to monitor TBM hob overall operation state in real time, so as to carry out in time cutter repair or
The replacement of parts avoids wasting unnecessary man-hour and influencing construction efficiency.
The method of detection shield cutter state mainly has both at home and abroad at present：Open a position inspection, peculiar smell detection, oil pressure detection, pick
Into Parameter analysis etc..Reliability in terms of its physical detection is relatively low, and can only wait cutter hubs that could be found after damaging completely；Open a position inspection
It looks into after need to shutting down and knife is carried out hand inspection to every, there is larger dangerous row and take longer；And boring parameter analysis is with larger
Subjectivity, and need larger data volume, it is impossible to realize universality.
Research in terms of the existing TBM hob abrasion in the country, such as Authorization Notice No. is 103969139 B of CN, Granted publication
Day proposes a kind of online TBM hob abrasion detection method of development machine for the patent of invention of 2016.06.22, utilizes displacement sensing
Device and velocity sensor can realize the measurement to TBM hob abrasion amount and rotating speed, but the displacement sensor used in the method
It may be subject to big interference when rock slag is more, it is difficult to detect valid data；Authorization Notice No. for 103234903 B of CN,
Authorized announcement date is that the patent of invention of 2015.08.19 discloses a kind of TBM hob abrasion detection device, utilizes laser emitter
The wear extent of TBM hob is monitored with photosensitive sensor, but the method can equally be influenced be subject to foreign matter, it is impossible to carry out
Effectively measurement, the data deficiency reliability of monitoring；Application publication number is 105352420 A of CN, the applying date is 2016.02.24's
Patent of invention discloses a kind of TBM hob abrasion on-line real time monitoring device and monitoring method, utilizes permanent magnet and magneto sensor
TBM hob abrasion amount is measured, but it is influenced by surrounding metal magnetization effect, and there is very big mistake in the result of monitoring
Difference, therefore the data monitored equally lack reliability.
In conclusion for TBM hob integrality monitoring there has been no the mature equipment that can be promoted and applied on a large scale and
System, there is an urgent need for developing, a kind of precision is high, range is big, more than measurement data and reliable and stable monitoring system solves TBM hob state
The problem of monitoring is difficult.
Utility model content
The utility model is to solve the problems, such as that existing TBM hob abrasion detection device and method monitoring data are insecure, and
A kind of TBM hob total state real time on-line monitoring system and its measuring method are disclosed.
To solve the above problems, technical solution is used by the utility model：A kind of TBM hob total state real-time online
Monitoring system, including inductance type transducer, Hall element, foil gauge, sensor base, inductance type transducer and Hall element are equal
Be arranged in sensor base, the inductance type transducer is corresponding with the cutter ring of TBM hob, in TBM hob with the Hall
Element is relatively set with magnetic patch, and support voussoir is provided in TBM hob and tenses voussoir, and foil gauge is arranged in support voussoir,
It is provided with signal processing unit in sensor base, inductance type transducer, Hall element and foil gauge are and signal processing unit
It is connected, signal processing unit is connected by wireless communication module with TBM host computers.Inductance type transducer, Hall element are set, answered
Become piece, the stress size of TBM hob abrasion amount, TBM hob rotating speed and TBM hob can be monitored in real time, by multiple indexs
Real-time monitoring error can be shunk below 2%, by with TBM host computer data communications, it can be ensured that TBM hob by
Damage is serious or other TBM discomforts continue timely shutdown maintenance during driving, solves that prior art monitoring data are insecure to ask
Topic.
Further, the signal processing unit includes the signal acquisition module once connected, processor and work start and stop
Switch, inductance type transducer, Hall element and foil gauge are connected with signal acquisition module, are provided in the sensor base
To the power module of signal processing unit power supply, the periphery of power module and signal processing unit is provided with sealing ring.
Further, the sensor base includes base body and pedestal Epitaxy Module, and pedestal Epitaxy Module is rolled with TBM
The knife hub of knife is corresponding, and signal processing unit and inductance type transducer are arranged in base body, and Hall element is arranged on base
Seat Epitaxy Module in, the magnetic patch be arranged on on the corresponding knife hub of Hall element.Inductance type transducer is arranged on pedestal sheet
It not only ensure that the reliability of work in vivo, but also shortened the connection circuit of signal processing unit and inductance type transducer；By Hall
Element, which is arranged on knife hub, neither influences cutter ring normal work, and can accurately measure the rotating speed of TBM hob.
Further, there are two the foil gauge is set, the position of two foil gauges is mutually perpendicular to, and the foil gauge passes through
Type block is arranged tightly in support voussoir.Set two orthogonal foil gauges that can be supervised in vertical and horizontal both direction
The stress size of TBM hob is surveyed, makes monitoring data more accurate reliable.
Further, it is provided with to monitor the thermocouple of TBM hob temperature, the thermocouple and letter on the foil gauge
Number processing unit is connected.It sets electroheat pair that foil gauge, inductance type transducer, Hall element is coordinated to use, TBM can be monitored simultaneously
Four index parameters of wear extent, TBM hob rotating speed, TBM hob stress, TBM hob operating temperature of hobboing cutter, make detection result more
Add accurate reliable.
Further, it is provided with to prevent that Hall element from bedewing and the protection bed course of vibrations, Hall are first on the pedestal
The outer end of part is provided with no magnetic Titanium Alloy End Cover Part.Protection bed course at Hall element rear is set, can effectively protect Hall element
From damage, while the vibration amplitude of Hall element can also be reduced, then can ensure the reliability of TBM hob tachometric survey；Nothing
The setting of magnetic Titanium Alloy End Cover Part not only acts as the effect of collision protection, and it is possible to prevente effectively from magnetic metal makes Hall element
The influence inaccurate into measurement.
Further, positioning shaft sleeve being provided in the sensor base, inductance type transducer is arranged in positioning shaft sleeve,
The end set of inductance type transducer has protection end cap.Positioning shaft sleeve is set inductance type transducer can be made to be accurately aligned with cutter ring
Blade, be further ensured that the accuracy of measurement result.
Further, the front end of the protection end cap is provided with for the wear-resistant block of block rock slag.Set wear-resistant block can be with
Effectively stop rock slag to protecting the impact of end cap, and then can ensure to protect inductance type transducer in end cap against damages.
A kind of TBM hob total state real-time monitoring system measuring method, comprises the following steps：
1. unworn TBM hob is packed on the tool apron of the TBM hob total state real time on-line monitoring system, TBM
Host computer, which sends instruction, makes TBM hob total state real time on-line monitoring system work, inductance type transducer, Hall element, strain
Piece and thermocouple are transmitted to TBM host computers using the real time data collected as initial value by signal processing unit；
2. TBM hob can be subject to the normal direction extruding force of rock and circumferential thrust when working, with the accumulation of working time,
The cutter ring of TBM hob generates abrasion, and then the real-time number that foil gauge, thermocouple, Hall element and inductance type transducer monitor
According to can all occur to change accordingly, then TBM host computers can receive the real time data after variation；
After 3. TBM host computers receive the real time data after variation, TBM host computers count the real time data after variation
It calculates, can obtain the variation that TBM hob shows wear extent, stress, temperature and rotating speed.
A kind of TBM hob total state real time on-line monitoring system of the utility model, set inductance type transducer, foil gauge,
Electroheat pair and Hall element can monitor wear extent, TBM hob rotating speed, TBM hob stress and the TBM hob of TBM hob simultaneously
Four index parameters of operating temperature, by can accurately monitor TBM hob to the real-time monitoring of four index parameters
Working condition can learn when TBM hob is damaged in time, convenient for TBM hob is carried out maintenance or replaced in time；By signal
Processing unit and power module are arranged in sensor base, avoid additional cable laying, can effectively be reduced because cable is broken
The failure rate damaged and triggered sets sealing ring effectively protection signal processing unit and power module can avoid being damaged；Design can
The sensor base of dismounting, can continuous firing in the presence of a harsh environment, can replace parts in time if any damage.
Description of the drawings
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of the utility model embodiment
It is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of main structure diagram of TBM hob total state real time on-line monitoring system；
Fig. 2 is a kind of overlooking the structure diagram of TBM hob total state real time on-line monitoring system；
Fig. 3 is a kind of signal transmission schematic diagram of TBM hob total state real time on-line monitoring system.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of making the creative labor
All other embodiments obtained shall fall within the protection scope of the present invention.
As shown in Figure 1 to Figure 3, embodiment 1, a kind of TBM hob total state real time on-line monitoring system are passed including inductance type
Sensor 1, Hall element 2, foil gauge 3, sensor base 4, inductance type transducer 4 and Hall element 2 are arranged at sensor base
In seat 4, the sensor base 4 includes base body 7 and pedestal Epitaxy Module 8, pedestal Epitaxy Module 8 and the knife of TBM hob 5
Hub 55 is corresponding, and inductance type transducer 1 is arranged in base body 7, and Hall element 2 is arranged in pedestal Epitaxy Module 8, electricity
Sensing type sensor 1 is corresponding with the cutter ring 51 of TBM hob 5, and then inductance type transducer 1 can monitor the mill of TBM hob in real time
Damage amount.Magnetic patch 52 is relatively set with the Hall element 2 in TBM hob 5, passes through the sense between Hall element 2 and magnetic patch 52
Should input can monitor the rotating speed of TBM hob in real time, and then can obtain the driving state of TBM hob.The axis hole of TBM hob 5
It is inside provided with support voussoir 53 and tenses voussoir 54, support voussoir 53 carries out axial and circumferential with voussoir 54 is tensed to TBM hob 5
Positioning, foil gauge 3 are arranged in support voussoir 53, circumferential and radial direction since TBM hob can be subject to the thrust of circumferential direction and radial direction
Thrust can be transmitted to support voussoir 53 and tense voussoir 54, and then the foil gauge being arranged in support voussoir 53 can detect
The real time data of 5 stress of TBM hob.
Signal processing unit 41 is additionally provided in base body 7, signal processing unit 41 is adopted including sequentially connected signal
Collect module, processor and work start stop switch, inductance type transducer 1, Hall element 2 and foil gauge 3 pass through cable 6 and signal
Acquisition module 42 is connected.The power module 45 powered to signal processing unit 41, power supply mould are provided in the sensor base 4
The periphery of block 45 and signal processing unit 41 is both provided with sealing ring 47, signal processing unit 41 by wireless communication module with
TBM host computers are connected.Signal processing unit and power module are arranged in sensor base, avoid additional cable paving
If the failure rate triggered due to cable breakdown can be reduced effectively, set sealing ring can effectively protection signal processing unit and electricity
Source module avoids being damaged.
Embodiment 2, a kind of TBM hob total state real time on-line monitoring system, there are two the settings of foil gauge 3, two
Foil gauge 3 is arranged on mutual vertically in support voussoir 53, and the foil gauge 3 is arranged tightly on branch by type block 56
It supports in voussoir 53.Set two orthogonal foil gauges that can monitor the stress of TBM hob in vertical and horizontal both direction
Size makes monitoring data more accurate reliable.
Further, it is provided with to monitor the thermocouple 31 of TBM hob temperature, the thermocouple on the foil gauge 3
31 are connected with signal processing unit 41.Set electroheat pair that foil gauge, inductance type transducer, Hall element is coordinated to use, Ke Yitong
When monitor TBM hob four index parameters of wear extent, TBM hob rotating speed, TBM hob stress, TBM hob operating temperature, make
Detection result is more accurate reliable.The other structures of the present embodiment are same as Example 1.
Embodiment 3, a kind of TBM hob total state real time on-line monitoring system are provided with to prevent suddenly on the pedestal
The protection bed course 21 that your element 2 is bedewed and shaken, protection bed course 21 are made of AB glue, and the outer end of Hall element 2 is provided with no magnetic
Titanium Alloy End Cover Part 22.Protection bed course at Hall element rear is set, can effectively protect Hall element from damage, while also may be used
To reduce the vibration amplitude of Hall element, then it can ensure the reliability of TBM hob tachometric survey；Setting without magnetic Titanium Alloy End Cover Part
The effect of collision protection is not only acted as, and it is possible to prevente effectively from magnetic metal causes Hall element to measure inaccurate shadow
It rings.
Further, positioning shaft sleeve 46 is provided in the sensor base 4, inductance type transducer 1 is arranged on locating shaft
In set 46, the outer end of inductance type transducer 1 is provided with protection end cap 11, and protection end cap 11 is made of polyamide material.It sets
Positioning shaft sleeve can make inductance type transducer be accurately aligned with the blade of cutter ring, be further ensured that the accuracy of measurement result.Institute
The front end for stating protection end cap 11 is provided with for the wear-resistant block 12 of block rock slag.Set wear-resistant block that can effectively stop rock slag to protecting
The impact of end cap is protected, and then can ensure to protect inductance type transducer in end cap against damages.The other structures of the present embodiment with
Embodiment 2 is identical.
A kind of TBM hob total state real-time monitoring system measuring method, comprises the following steps：
1. it is packed by unworn new TBM hob on the tool apron of the TBM hob total state real time on-line monitoring system,
TBM host computers, which send instruction, makes TBM hob total state real time on-line monitoring system work, and inductance type transducer, Hall element are answered
Become piece and thermocouple is transmitted to TBM host computers using the real time data collected as initial value by signal processing unit；
2. TBM hob can be subject to the normal direction extruding force of rock and circumferential thrust when working, with the accumulation of working time,
The cutter ring of TBM hob generates abrasion, and then the real-time number that foil gauge, thermocouple, Hall element and inductance type transducer monitor
According to can all occur to change accordingly, then TBM host computers can receive the real time data after variation；
After 3. TBM host computers receive the real time data after variation, TBM host computers count the real time data after variation
It calculates, can obtain the variable quantity that TBM hob shows wear extent, stress, temperature and rotating speed.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modifications, equivalent replacements and improvements are made should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of TBM hob total state real time on-line monitoring system, it is characterised in that：Including inductance type transducer（1）, Hall member
Part（2）, foil gauge（3）, sensor base（4）, inductance type transducer（1）And Hall element（2）It is arranged at sensor base
（4）It is interior, the inductance type transducer（1）With TBM hob（5）Cutter ring（51）It is corresponding, TBM hob（5）The upper and Hall
Element（2）It is relatively set with magnetic patch（52）, TBM hob（5）Axis hole in be provided with support voussoir（53）With tension voussoir（54）,
Foil gauge（3）It is arranged on support voussoir（53）It is interior, sensor base（4）Inside it is provided with signal processing unit（41）, inductance type biography
Sensor（1）, Hall element（2）And foil gauge（3）And signal processing unit（41）It is connected, signal processing unit（41）Pass through nothing
Line communication module is connected with TBM host computers.
2. a kind of TBM hob total state real time on-line monitoring system according to claim 1, it is characterised in that：The letter
Number processing unit（41）Including sequentially connected signal acquisition module, processor and work start stop switch, inductance type transducer
（1）, Hall element（2）And foil gauge（3）It is connected with signal acquisition module, the sensor base（4）It is inside provided with to letter
Number processing unit（41）The power module of power supply（45）, power module（45）And signal processing unit（41）Periphery be provided with it is close
Seal（47）.
3. a kind of TBM hob total state real time on-line monitoring system according to claim 1, it is characterised in that：The biography
Sensor pedestal（4）Including base body（7）With pedestal Epitaxy Module（8）, pedestal Epitaxy Module（8）With TBM hob（5）Knife hub
（55）It is corresponding, signal processing unit（41）And inductance type transducer（1）It is arranged at base body（7）It is interior, Hall element（2）
It is arranged on pedestal Epitaxy Module（8）It is interior, the magnetic patch（52）It is arranged on and Hall element（2）Corresponding knife hub（55）On.
4. a kind of TBM hob total state real time on-line monitoring system according to claim 1, it is characterised in that：It is described to answer
Become piece（3）There are two settings, two foil gauges（3）Position be mutually perpendicular to, the foil gauge（3）Pass through type block（56）Closely
It is arranged on support voussoir（53）It is interior.
5. a kind of TBM hob total state real time on-line monitoring system according to claim 4, it is characterised in that：It is described to answer
Become piece（3）On be provided with to monitor TBM hob（5）The thermocouple of temperature（31）, the thermocouple（31）With signal processing list
Member（41）It is connected.
6. according to a kind of TBM hob total state real time on-line monitoring system of claim 1-5 any one of them, feature exists
In：The sensor base（4）On be provided with to prevent Hall element（2）Adhesional wetting and the protection bed course of vibrations（21）, Hall
Element（2）Outer end be provided with no magnetic Titanium Alloy End Cover Part（22）.
7. a kind of TBM hob total state real time on-line monitoring system according to claim 6, it is characterised in that：The biography
Sensor pedestal（4）Inside it is provided with positioning shaft sleeve（46）, inductance type transducer（1）It is arranged on positioning shaft sleeve（46）Interior, inductance type passes
Sensor（1）Outer end be provided with protection end cap（11）.
8. a kind of TBM hob total state real time on-line monitoring system according to claim 7, it is characterised in that：The guarantor
Protect end cap（11）Front end be provided with for the wear-resistant block of block rock slag（12）.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721461982.XU CN207395645U (en) | 2017-11-06 | 2017-11-06 | A kind of TBM hob total state real time on-line monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721461982.XU CN207395645U (en) | 2017-11-06 | 2017-11-06 | A kind of TBM hob total state real time on-line monitoring system |
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| CN207395645U true CN207395645U (en) | 2018-05-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655393A (en) * | 2017-11-06 | 2018-02-02 | 中铁工程装备集团有限公司 | A kind of TBM hob total state real time on-line monitoring system and its measuring method |
| CN109358505A (en) * | 2018-10-26 | 2019-02-19 | 中铁工程装备集团有限公司 | A kind of TBM intelligent driving method and system |
| CN109764798A (en) * | 2019-01-18 | 2019-05-17 | 中铁工程装备集团有限公司 | A kind of detection device of hob abrasion amount |
| CN110905541A (en) * | 2019-11-27 | 2020-03-24 | 中铁工程装备集团有限公司 | Intelligent hob with state self-test function |
-
2017
- 2017-11-06 CN CN201721461982.XU patent/CN207395645U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655393A (en) * | 2017-11-06 | 2018-02-02 | 中铁工程装备集团有限公司 | A kind of TBM hob total state real time on-line monitoring system and its measuring method |
| CN109358505A (en) * | 2018-10-26 | 2019-02-19 | 中铁工程装备集团有限公司 | A kind of TBM intelligent driving method and system |
| CN109358505B (en) * | 2018-10-26 | 2022-03-29 | 中铁工程装备集团有限公司 | TBM intelligent driving method and system |
| CN109764798A (en) * | 2019-01-18 | 2019-05-17 | 中铁工程装备集团有限公司 | A kind of detection device of hob abrasion amount |
| CN110905541A (en) * | 2019-11-27 | 2020-03-24 | 中铁工程装备集团有限公司 | Intelligent hob with state self-test function |
| CN110905541B (en) * | 2019-11-27 | 2021-04-16 | 中铁工程装备集团有限公司 | Intelligent hob with state self-test function |
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