CN105627899B - A kind of shield blade wears on-line real time monitoring system - Google Patents
A kind of shield blade wears on-line real time monitoring system Download PDFInfo
- Publication number
- CN105627899B CN105627899B CN201610127886.5A CN201610127886A CN105627899B CN 105627899 B CN105627899 B CN 105627899B CN 201610127886 A CN201610127886 A CN 201610127886A CN 105627899 B CN105627899 B CN 105627899B
- Authority
- CN
- China
- Prior art keywords
- metal sleeve
- interior
- shell
- shield
- steel disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
Abstract
The invention discloses a kind of shield blade wears on-line real time monitoring system, including shield scraper, abrasion sensing device, data acquisition circuit and data processing module, abrasion sensing device includes can shell, the steel disc that multiple vertical and horizontal are placed equidistant in can shell and spring trigger module, can shell is fixedly arranged on the shield scraper back side, horizontal steel disc shortens step by step from top to bottom, spring trigger module lower end is fixedly linked with can shell lower end, and the steel disc laterally set is withstood in its upper end；Data acquisition circuit is made up of multiple resistance in parallel and power supply and switch wired in series, each resistance is connected with removable motion block in corresponding spring trigger module by wire, data processing module includes processor of single chip computer and wireless transmitter module, the present invention can realize to be monitored in real time to shield blade wears amount, sensitivity and range are adjustable, it can prevent water and rock slag from invading and harassing simultaneously, suitable for the severe driving environment of shield.
Description
Technical field
The invention belongs to underground tunnel project mechanized construction and mechanical intelligence monitoring field, it is related to answering for novel sensor
With, and in particular to a kind of shield blade wears on-line real time monitoring system.
Background technology
Shield construction is widely used to Urban Underground orbit construction, and shield scraper tunnels in soil and causes to wear,
Wear extent will seriously reduce drivage efficiency more than 20mm, cause construction delay even card machine, the abrasion of real-time perception scraper
Measure and change significant.
It is work with pressure between shield cutter and face, cutterhead internal measurement blade wears amount is entered by staff
Method has larger danger；Blade wears amount is estimated also with stronger by theoretical calculation or construction experience
Engineering dependence, it is difficult to be promoted.Method most viable at present is exactly to carry out direct measurement to scraper by sensor, to obtain
Take its wear extent.Has the research of this respect both at home and abroad, such as Chinese invention patent (U of publication number CN 201540105) proposes
A kind of method that shield cutter wear extent is obtained using ultrasonic thickness measurement device, this method needs to change cutter structure, in knife
Has placed inside ultrasonic thickness measurement device；Chinese invention patent (publication number CN 102288099A) discloses a kind of resistor chain formula
Shield machine scraper wears on-Line Monitor Device, the resistance arranged by constant spacing is placed in scraper, the abrasion of scraper causes electricity
The change of resistance, so as to extrapolate wear extent, the method stills need to change blade construction, and shield machine works in muddy water, muddy water
It is conductive that certain influence can be also produced to monitoring result；Chinese utility model patent (U of publication number CN 203432558) proposes
A kind of device that shield blade wears monitoring is carried out using pressure sensor, but the method is only capable of to blade wears to certain value
Shi Jinhang alarms, it is impossible to realizes the on-line real time monitoring of scraper.
In summary, certain deficiency, indirect method of measurement error all be present to the monitoring method of shield blade wears at present
Too big, direct measurement fado needs to change scraper internal structure, it is difficult to realizes, thus needs to propose a kind of new shield scraper mill
Damage on-line real time monitoring method.
The content of the invention
To solve the above problems, the present invention provides a kind of shield scraper on-line real time monitoring device, shield can not changed
The real-time perception to its wear extent is realized on the basis of structure scraper internal structure.
Its concrete technical scheme is：
A kind of shield blade wears on-line real time monitoring system, including shield scraper, abrasion sensing device, data acquisition electricity
Road and the data processing module being connected with data acquisition circuit, it is characterised in that：The abrasion sensing device includes can
Shell, the steel disc that multiple vertical and horizontal are placed equidistant in can shell and set in the steel disc interval of longitudinal direction
Spring trigger module, the can shell are fixedly arranged on the shield scraper back side, and the horizontal steel disc shortens step by step from top to bottom,
The spring trigger module lower end is fixedly linked with can shell lower end, and the steel disc laterally set is withstood in its upper end；The number
Be made up of according to Acquisition Circuit multiple resistance in parallel and power supply and switch wired in series, each resistance with it is corresponding
Removable motion block is connected by wire in spring trigger module, and the data processing module includes and multiple resistance both ends phases in parallel
Processor of single chip computer even and the wireless transmitter module being connected with processor of single chip computer.
As an improvement, the outer metal sleeve of the spring trigger module including upper opening and can in outer metal sleeve
The interior metal sleeve moved up and down, lower spring, the interior metal are provided between the outer metal sleeve bottom and interior metal sleeve
Sleeve upper end is provided with upper spring and is enclosed on the spring positioning protective sleeve for preventing that it from offseting on spring, and the upper spring top passes through
Sheet metal connects metallic rod, and the outer metal sleeve bottom is fixedly linked with can outer casing bottom, the metallic rod upper end top
The steel disc firmly laterally set in can shell, at the top of the outer metal sleeve bottom and interior metal sleeve between by stretching
Wire be connected and with corresponding resistant series.
As an improvement, being provided with metal clips in the interior metal sleeve, the interior metal sleeve side wall is provided with aperture, described
Metal clips bottom stretch out in the aperture of metal sleeve side wall withstand on outer metal sleeve inwall, on the outer metal sleeve inwall
Provided with the aperture being engaged with metal clips bottom, when interior metal sleeve moves a segment distance upwards relative to outer metal sleeve
When, the metal clips stretched out from interior metal sleeve side wall aperture is just stuck in outer metal sleeve inwall aperture, so that interior
Metal sleeve and outer metal sleeve relative position are fixed.
As an improvement, steel disc upper space filling epoxy resin horizontal in the can shell, to improve can
The rigidity of shell.
As an improvement, the data acquisition circuit, processor of single chip computer and being placed in tetrafluoro second with wireless transmitter module
In alkene guard box, the cutterhead back side that tetrafluoroethene guard box is arranged in shield scraper prevents from damaging.
The beneficial effects of the invention are as follows：
The present invention provides a kind of brand-new shield blade wears on-line real time monitoring system, can not change shield scraper
Internal structure and obtain wear extent, range and precision can disclosure satisfy that shield blade wears amount is supervised according to regulation is actually needed
Surveying needs.The whole main circuit part of monitoring system is respectively positioned in the tetrafluoroethene guard box of cutterhead behind, only trigger device with
Soil directly contacts, and prevents the damage of circuit system.Wear signal is sent by wireless launcher, avoids the tired of wiring
It is difficult.
Brief description of the drawings
Fig. 1 is shield scraper and abrasion sensing device relative position figure.
Fig. 2 is shield blade wears on-line monitoring system structural representation.
Fig. 3 is spring trigger module structural representation detail drawing.
Fig. 4 is resistance partial circuit diagram in parallel.
Fig. 5 is magnitude of voltage and abrasion value graph of a relation.
Wherein, shield scraper 1, steel disc 2, epoxy resin 3, metallic rod 4, can shell 5, sheet metal 6, upper spring 7, bullet
Spring positioning protective sleeve 8, outer metal sleeve 9, interior metal sleeve 10, metal clips 11, lower spring 12, glue 13, tetrafluoroethene are protected
Protecting box 14, the Ω fixed value resistances 16 of resistance 15,100,3.2V dc sources 17, A switches 18, processor of single chip computer 19, wireless transmission
Module 20,5V dc sources 21, B switches 22, wire 23.
Embodiment
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
A kind of shield blade wears on-line real time monitoring system as shown in Figure 1 to Figure 3, including shield scraper 1, abrasion perceive
Device, data acquisition circuit, the data processing module being connected with data acquisition circuit and the nothing being connected with data processing module
Line transmitter module 20, the abrasion sensing device include steel disc 2, epoxy resin 3, can shell 5 and the spring set in length and breadth
Trigger module, can shell 5 are welded by thick iron plate, and internal structure is protected at four sides, and is welded in the back side of shield scraper 1；
The steel disc 2 set in length and breadth is arranged in can with constant spacing, and horizontal steel disc 2 shortens step by step, longitudinal steel disc 2
Elongated arrangement, longitudinal steel disc 2 form interval in placement spring trigger module；
The spring trigger module includes metallic rod 4, sheet metal 6, upper spring 7, spring positioning protective sleeve 8, outer metallic sheath
Cylinder 9, interior metal sleeve 10, metal clips 11, lower spring 12 and glue 13, the bottom of lower spring 12 and the outer bottom phase of metal sleeve 9
Even, top is connected with interior metal sleeve 10, and the outer bottom of metal sleeve 9 is fixedly linked with the bottom of can shell 5, interior metal
Arrangement metal clips 11 in sleeve 10；The upper bottom of spring 7 is connected with the interior top plate of metal sleeve 10, and top is connected by sheet metal 6
Metallic rod 4, upper spring 7 are protected by spring positioning protective sleeve 8, prevent it from shifting, the top of metallic rod 4 top can shell 5
The steel disc 2 inside laterally set；
The side wall of interior metal sleeve 10 is provided with aperture, the bottom of metal clips 11 stretch out in the side wall of metal sleeve 10
Aperture withstand on the outer inwall of metal sleeve 9, the outer inwall of metal sleeve 9 is provided with what is be engaged with the bottom of metal clips 11
Aperture, when interior metal sleeve 10 is relative to outer metal sleeve 9 one segment distance of motion upwards, from the interior side wall aperture of metal sleeve 10
The metal clips 11 of middle stretching is just stuck in the outer inwall aperture of metal sleeve 9, so that interior metal sleeve 10 and outer metallic sheath
9 relative positions of cylinder are fixed.
The data acquisition circuit includes resistance 15,100 Ω fixed value resistances 16,3.2V dc sources 17, A switches 18, institute
It is 2K Ω fixed value resistances to state resistance 15, and some 2K Ω resistance 15 is in parallel, and the wire 23 of parallel circuit connects gold outside relevant position
Belong to the bottom of sleeve 9 and the top plate of interior metal sleeve 10, fixed with glue 13, wire 23 stretches and reserves 2-3mm spaces, to prevent down
Wire 23 is broken in the shake of spring 12；
The data processing module includes processor of single chip computer 19,5V dc sources 21, B switches 22 and wireless transmission mould
Block 20, both ends of resistance 15 in parallel in the voltage fetching portion of processor of single chip computer 19 connection data acquisition circuit, and by acquisition
Voltage signal is converted into wear signal, is sent by wireless transmitter module 20.
The magnitude of voltage that the processor of single chip computer 19 obtains the both ends of resistance 15 of parallel connection changes with the change of wear extent, electricity
One-to-one relationship be present with abrasion value in pressure value, when the monitoring system wear monitoring range is 20mm, when sensitivity is 1mm,
Magnitude of voltage with abrasion magnitude relationship as shown in figure 5, Fig. 5 is fitted to obtain relational expression be：
δ=2.7502V6-27.379V5+112.17V4-244.53V3+305.6V2-218.56V+78.753
Wherein, δ is shield blade wears amount；V is the both end voltage value of resistance 15 in parallel.
A kind of shield blade wears on-line real time monitoring working-flow is：It is welded in the back side of shield scraper 1
Can shell 5 wears with blade wears, often wears up to the steel disc 2 of a transverse direction, and steel disc 2 can not bear metallic rod 4
Pressure, metallic rod 4 are ejected, and upper spring 7 and lower spring 12 are extended and eject interior metal sleeve 10, and wire 23 is pulled off, to prevent
Metallic rod 4, which is pressurized, retracts, and the ejecting card of metal clips 11 is in the outer inwall aperture of metal sleeve 9 in interior metal sleeve 10；Single-chip microcomputer
The voltage signal that processor 19 obtains internally is converted to corresponding wear extent because the number of resistance 15 of parallel connection is reduced and is changed
And sent by wireless transmitter module 20.
Claims (5)
1. a kind of shield blade wears on-line real time monitoring system, including shield scraper（1）, abrasion sensing device, data acquisition
Circuit and the data processing module being connected with data acquisition circuit, it is characterised in that：The abrasion sensing device includes metal
Box shell（5）, in can shell（5）The steel disc that interior multiple vertical and horizontal are placed equidistant（2）And the steel disc in longitudinal direction
（2）The spring trigger module set in interval, the can shell（5）It is fixedly arranged on shield scraper（1）The back side, it is described horizontal
Steel disc（2）Shorten step by step from top to bottom, the spring trigger module lower end and can shell（5）Lower end is fixedly linked, thereon
Withstand the steel disc laterally set in end（2）；The data acquisition circuit is by multiple resistance in parallel（15）Pass through with power supply and switch
Wire（23）It is composed in series, each resistance（15）Pass through wire with removable motion block in corresponding spring trigger module（23）Phase
Even, the data processing module includes and multiple resistance in parallel（15）The connected processor of single chip computer in both ends（19）With with monolithic
Machine processor（19）Connected wireless transmitter module（20）.
A kind of 2. shield blade wears on-line real time monitoring system as claimed in claim 1, it is characterised in that：The spring triggering
Module includes the outer metal sleeve of upper opening（9）With located at outer metal sleeve（9）Interior interior metal sleeve moving up and down
（10）, the outer metal sleeve（9）Bottom and interior metal sleeve（10）Between be provided with lower spring（12）, the interior metal sleeve
（10）Upper end is provided with upper spring（7）Be enclosed on upper spring（7）On spring positioning protective sleeve（8）, the upper spring（7）Top leads to
Cross sheet metal（6）Connect metallic rod（4）, the outer metal sleeve（9）Bottom and can shell（5）Bottom is fixedly linked, institute
State metallic rod（4）Withstand can shell in upper end（5）The steel disc inside laterally set（2）, the outer metal sleeve（9）Bottom and interior
Metal sleeve（10）Wire between top by stretching（23）Be connected and with corresponding resistance（15）Series connection.
A kind of 3. shield blade wears on-line real time monitoring system as claimed in claim 2, it is characterised in that：The interior metallic sheath
Cylinder（10）It is interior to be provided with metal clips（11）, the interior metal sleeve（10）Side wall is provided with aperture, the metal clips（11）Lower end
Metal sleeve in portion's stretching（10）The aperture of side wall withstands on outer metal sleeve（9）Inwall, the outer metal sleeve（9）Set on inwall
Have and metal clips（11）The aperture that bottom is engaged, when interior metal sleeve（10）Relative to outer metal sleeve（9）Fortune upwards
During a dynamic segment distance, from interior metal sleeve（10）The metal clips stretched out in side wall aperture（11）Just it is stuck in outer metal sleeve
（9）In inwall aperture, so that interior metal sleeve（10）With outer metal sleeve（9）Relative position is fixed.
A kind of 4. shield blade wears on-line real time monitoring system as claimed in claim 2, it is characterised in that：Outside the can
Shell（5）Interior horizontal steel disc（2）Upper space fills epoxy resin（3）.
5. such as any one shield blade wears on-line real time monitoring system of Claims 1-4, it is characterised in that：The data
Acquisition Circuit, processor of single chip computer（19）And and wireless transmitter module（20）It is placed in tetrafluoroethene guard box（14）It is interior, four
PVF guard box（14）It is arranged in shield scraper（1）The cutterhead back side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610127886.5A CN105627899B (en) | 2016-03-07 | 2016-03-07 | A kind of shield blade wears on-line real time monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610127886.5A CN105627899B (en) | 2016-03-07 | 2016-03-07 | A kind of shield blade wears on-line real time monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105627899A CN105627899A (en) | 2016-06-01 |
| CN105627899B true CN105627899B (en) | 2018-03-27 |
Family
ID=56043055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610127886.5A Active CN105627899B (en) | 2016-03-07 | 2016-03-07 | A kind of shield blade wears on-line real time monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105627899B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397236A (en) * | 2018-03-12 | 2018-08-14 | 安徽理工大学 | A kind of accurate monitoring device of roof delamination |
| CN109296375B (en) * | 2018-11-28 | 2019-12-06 | 北京城建轨道交通建设工程有限公司 | Wear monitoring point arrangement method and wear monitoring method for large-diameter urban fast track tunnel shield machine cutter |
| CN109779648A (en) * | 2019-03-14 | 2019-05-21 | 中铁工程装备集团有限公司 | A kind of protective device based on tool wear sensor line and receiving instrument |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201540105U (en) * | 2009-09-29 | 2010-08-04 | 中铁隧道集团二处有限公司 | Tool-wear monitoring device for shield machine |
| CN102288099A (en) * | 2011-07-08 | 2011-12-21 | 天津大学 | Shield machine cutter wearing capacity on-line monitoring device based on resistor network |
| CN102352754A (en) * | 2011-07-08 | 2012-02-15 | 天津大学 | Wire grid-based shield machine cutter abrasion loss on-line monitoring device |
| CN103148771A (en) * | 2013-02-27 | 2013-06-12 | 中南大学 | Real-time tunnel boring machine (TBM) hob abrasion monitoring device |
| CN203432558U (en) * | 2013-08-19 | 2014-02-12 | 中铁隧道装备制造有限公司 | Device for detecting tool wearing on shield cutting pan |
| CN103698237A (en) * | 2013-12-30 | 2014-04-02 | 天津大学 | Resistor column core type shield cutter abrasion sensor and abrasion loss monitoring device |
| CN104515574A (en) * | 2013-09-30 | 2015-04-15 | 繁昌县倍思创业服务有限公司 | Mechanical wearing detection and alarm system |
| CN105352420A (en) * | 2015-11-09 | 2016-02-24 | 武汉大学 | TBM hobbing cutter wear online real-time monitoring device and monitoring method |
-
2016
- 2016-03-07 CN CN201610127886.5A patent/CN105627899B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201540105U (en) * | 2009-09-29 | 2010-08-04 | 中铁隧道集团二处有限公司 | Tool-wear monitoring device for shield machine |
| CN102288099A (en) * | 2011-07-08 | 2011-12-21 | 天津大学 | Shield machine cutter wearing capacity on-line monitoring device based on resistor network |
| CN102352754A (en) * | 2011-07-08 | 2012-02-15 | 天津大学 | Wire grid-based shield machine cutter abrasion loss on-line monitoring device |
| CN103148771A (en) * | 2013-02-27 | 2013-06-12 | 中南大学 | Real-time tunnel boring machine (TBM) hob abrasion monitoring device |
| CN203432558U (en) * | 2013-08-19 | 2014-02-12 | 中铁隧道装备制造有限公司 | Device for detecting tool wearing on shield cutting pan |
| CN104515574A (en) * | 2013-09-30 | 2015-04-15 | 繁昌县倍思创业服务有限公司 | Mechanical wearing detection and alarm system |
| CN103698237A (en) * | 2013-12-30 | 2014-04-02 | 天津大学 | Resistor column core type shield cutter abrasion sensor and abrasion loss monitoring device |
| CN105352420A (en) * | 2015-11-09 | 2016-02-24 | 武汉大学 | TBM hobbing cutter wear online real-time monitoring device and monitoring method |
Non-Patent Citations (1)
| Title |
|---|
| 盾构刀具关键技术及其最新发展;陈馈;《隧道建设》;20150330;第35卷(第3期);第197-203页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105627899A (en) | 2016-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105627899B (en) | A kind of shield blade wears on-line real time monitoring system | |
| CN105971517B (en) | The laddering gas pre-drainage directional hole drilling system in broken soft seam underground and method | |
| CN105422088B (en) | Coal mine tunnel geological parameter on-line monitoring system | |
| CN104265280A (en) | Solid filling feeding well wall abrasion detecting device and method | |
| CN104612631A (en) | Power balance digitization automatic control oil pumping method and oil extraction robot | |
| CN111323331B (en) | Coal seam gas content measuring device and method based on directional drilling machine | |
| CN103529488A (en) | Mine roof and floor water inrush monitoring and prediction system and method | |
| CN106679735B (en) | A kind of more water kind real-time monitoring devices in ore deposit refuse dump and application method | |
| CN108868595B (en) | A kind of ice layer of polar region Air Reverse Circulation fast drilling system | |
| CN101280682B (en) | Complete hydraulic self-drilling type side pressure equipment | |
| CN109267999A (en) | One kind is based on signal measurement and wireless transmitting system under the self-powered rod-pumped well of piezo-electric crystal | |
| CN108507453A (en) | Tunnel roof and floor deformation measuring device | |
| CN203223215U (en) | High-efficiency automatic control system of drilling machine | |
| CN106065765B (en) | Angular bit machine | |
| CN201857953U (en) | Advanced abutment pressure monitoring device on coal face | |
| CN204944735U (en) | A kind of shield machine detects the device of tail shield grease chamber grease pressure | |
| CN104763424B (en) | Gob-side entry driving reasonable position determination method | |
| CN105806275B (en) | Device and method for monitoring continuous deformation of different areas of surrounding rock in real time | |
| CN203224223U (en) | Device for detecting layer separation of surrounding rock based on displacement sensors and wireless transmission | |
| CN204389710U (en) | A kind of geologic prospecting screw thread electrode screwing-in device | |
| CN201857996U (en) | Coal face advance rate monitoring device | |
| CN103821500A (en) | Coalbed methane subsurface pressure gauge with vibration sensing function and measuring method thereof | |
| CN206539374U (en) | A kind of obturation pressure monitoring line protective devices | |
| CN103615235B (en) | The method that a kind of potassium salt solid mineral drilling solution method molten chamber liquid level measures supervision in real time | |
| CN111082733A (en) | Switched reluctance motor speed regulation system for oil field workover rig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |