CN103114858B - Ultrasonic real-time monitoring device for shield machine cutter anti-abrasion block thickness abrasion loss - Google Patents
Ultrasonic real-time monitoring device for shield machine cutter anti-abrasion block thickness abrasion loss Download PDFInfo
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- CN103114858B CN103114858B CN201310005315.0A CN201310005315A CN103114858B CN 103114858 B CN103114858 B CN 103114858B CN 201310005315 A CN201310005315 A CN 201310005315A CN 103114858 B CN103114858 B CN 103114858B
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Abstract
An ultrasonic real-time monitoring device for shield machine cutter anti-abrasion block thickness abrasion loss comprises a tool (6), a central revolution body (7), a cutter plate (10), a front shield (11), a middle shield (12), a tail shield (13), a main control room (14), a cutter head (15), an anti-abrasion block (16), a fixing body (29) and a cutter seat (31). An ultrasonic energy exchanger (1) is arranged inside an inner thread through hole (19) in a configuring mode and a thickness tester (2) is arranged at the rear end of the inner thread through hole (19), wherein the inner thread through hole is matched with the cutter head in drilling. An ultrasonic energy changer signal line (8) is connected with the thickness tester, the central revolution body is matched with a through hole (28) in drilling, electric sliding ring devices (3) are arranged at the rear ends of the central revolution body and the fixing body in a matching mode, a thickness tester signal line and a power source line (9) are in butt joint with a bunch of rotor guide lines (25), and the signal line and the power source line are connected with a personal computer (PC) (4) inside the main control room and an alternating-direct-current power source (5) after passing through the middle shield and the tail shield. Therefore, the problem that the anti-abrasion block is difficult to monitor is solved.
Description
Technical field
The invention belongs to shield machine monitoring technical field, refer more particularly to a kind of real time monitoring ultrasound wave device of shield machine cutter wear-resistant block thickness wear extent.
Background technology
One of the wearing and tearing of cutter wear-resistant block the biggest problem that to be shield machine run in compound stratum construction, at present the wear extent of shield machine cutter wear-resistant block is difficult to accomplish Real-Time Monitoring, often can only in the time that producing heavy wear, the central cutter wear-resistant block of shield machine driving could carry out the inspection that opens a position with pressure to shield machine cutter passively, but the inspection that opens a position with pressure is conventionally consuming time longer, not only affect construction speed, and security risk is higher.
Also there is the mode that adopts pre-buried oil pipe or add peculiar smell agent to judge the degree of wear of shield machine cutter wear-resistant block, this mode can only competence exertion effect in the time that the wear extent of cutter wear-resistant block acquires a certain degree, but can not carry out Real-Time Monitoring to the wear extent of cutter wear-resistant block, can not be just the timely replacing of the cutter wear-resistant block support that provides the necessary technical without Real-time Monitoring Data.
Summary of the invention
For addressing the above problem, the present invention has designed a kind of real time monitoring ultrasound wave device of shield machine cutter wear-resistant block thickness wear extent, the wear extent of fixing cutter wear-resistant block on this real time monitoring ultrasound wave device energy Real-Time Monitoring cutterhead, by electric slip ring device and with wire transmission mode, monitor signal is reached to the PC in tail shield control room, simultaneously the straight power supply of alternation in tail shield control room also ensures for calibrator provides continued power by electric slip ring device, has solved shield machine and can not carry out cutter wear-resistant block wear extent in work progress a difficult problem for Real-Time Monitoring.
For achieving the above object, the present invention adopts following technical scheme:
A real time monitoring ultrasound wave device for shield machine cutter wear-resistant block thickness wear extent, described shield machine contains cutter, center steering body, cutterhead, anterior shield, middle shield, tail shield, master-control room, cutter head, wear-resistant block, fixed body and tool rest, front end and cutterhead that cutterhead is fixed on center steering body together rotate with center steering body, center steering body is fixed on the center of anterior shield by fixed body, on cutterhead, be fixed with tool rest, configure cutter on tool rest, cutter is made up of the wear-resistant block being embedded on cutter head, the front end of middle shield connects anterior shield, the rear end of middle shield connects tail shield, tail shield backend arrangement master-control room, and described monitoring device contains ultrasonic transducer, calibrator, the straight power supply of PC and alternation, calibrator possesses RS485 communication modes and communication distance reaches km, and PC configure generic data processing software also can be controlled transmission Monitoring instruction, cancel Monitoring instruction and monitoring time frequency is set, the straight power supply of alternation can be converted into the 220V alternating current of job site 3V direct current and provide lasting electric power for the normal work of calibrator.
Feature of the present invention is:
On the large end face of cutter head, join and be drilled with internal thread through hole, the front-end configuration ultrasonic transducer of internal thread through hole, the front end face of ultrasonic transducer is concordant with the rear end face of wear-resistant block, rear end apart from internal thread through hole is fixed with calibrator, calibrator is fixed on cutterhead, the holding wire connecting with ultrasonic transducer connects with calibrator from internal thread through hole is drawn again, join and bore an axially extending bore along the internal chamber wall of center steering body, be fitted with electric slip ring device in the rear end of center steering body and the rear end of fixed body simultaneously, the holding wire connecting with calibrator and power line are through implementing to dock with a branch of rotor leading wire of drawing in electric slip ring device again after through hole, and a branch of stator lead of drawing in electric slip ring device and the holding wire docking, power line is shield in process, after tail shield respectively with the PC being arranged in master-control room, the straight power supply of alternation connects.
The rear end of above-mentioned internal thread through hole arranges and is linked with the stepped hole larger than internal thread through hole diameter, be step-like sealing-plug by external screw thread and after spreading upon the locking agent on this external screw thread, be screwed in again the rear end of internal thread through hole, spring is set between ultrasonic transducer and sealing-plug and between this, is perfused with couplant, join and be milled with groove in a side of described stepped hole, the holding wire of ultrasonic transducer is connected on calibrator by groove from the central through hole of sealing-plug is drawn, after described central through hole perfusion couplant, re-using fluid sealant seals described central through hole.
The periphery configure of above-mentioned calibrator has irony protective cover, and the holding wire connecting with calibrator and power line are all implemented to dock with a branch of rotor leading wire of drawing in electric slip ring device through irony protective cover and by through hole again.
Above-mentioned electric slip ring device comprises stator, rotor, a branch of stator lead, a branch of rotor leading wire, spline sheet, bearing pin, jig and stator, the interior ring of stator disposes several that spacing equates and determines slip ring, the outer shroud of rotor disposes several slip rings that turn that spacing equates, describedly severally determine slip ring all corresponding to described several slip rings that turn, severally determine slip ring and connect and draw a branch of stator lead from described, connect and draw a branch of rotor leading wire from described several slip rings that turn, rotor is fixed on the rear end of center steering body, stator is fixed on center steering body by a branch of rotor leading wire and joins in the through hole of brill, a branch of rotor leading wire is corresponding again to be implemented to dock with holding wire and the power line of calibrator connection, connect and dispose jig in the rear end of fixed body, on jig, be provided with symmetrical radially draw-in groove, in two described draw-in grooves, connect spline sheet by bearing pin respectively, two spline sheets connect with stator again, a branch of stator lead and PC, the straight power supply of alternation connects the holding wire of coming, power line is implemented docking.
owing to adopting technical scheme described above, the present invention produces following good effect:
1, the wear extent of fixing cutter wear-resistant block on real time monitoring ultrasound wave device energy Real-Time Monitoring cutterhead of the present invention, by electric slip ring device and with wire transmission mode, monitor signal is reached to the PC in tail shield control room, simultaneously the straight power supply of alternation in tail shield control room also ensures for calibrator provides continued power by electric slip ring device, has solved shield machine and can not carry out cutter wear-resistant block wear extent in work progress a difficult problem for Real-Time Monitoring.
2, ultrasonic transducer is shorter to the holding wire between electric slip ring device to the holding wire between calibrator and calibrator, can not make signal that ultrasonic transducer collects produce relaxation phenomenon and affects the Real-Time Monitoring reliability of PC.
3, electric slip ring device can be controlled in 5m according to the configuration of existing shield machine to the holding wire length between PC, so also can not make signal that ultrasonic transducer collects produce relaxation phenomenon and affect the Real-Time Monitoring reliability of PC, PC can show the monitoring result of ultrasonic transducer to wear-resistant block in real time.
4, real time monitoring ultrasound wave device of the present invention have that antijamming capability is strong, the feature of good stability, simple and convenient assembly, can grasp in real time its state of wear by the contrast of numerical value before numerical value after cutter wear-resistant block wearing and tearing and wearing and tearing, preferably resolve the technical barrier that the wear extent of shield machine cutter wear-resistant block in work progress is difficult in real time, continues to monitor.
Brief description of the drawings
Fig. 1 is that real-time detection apparatus of the present invention is arranged on the structural representation sketch on shield machine.
Fig. 2 is the partial structurtes simplified schematic diagram of ultrasonic transducer.
Fig. 3 is that partial structurtes simplified schematic diagram is looked on the right side of Fig. 2.
Fig. 4 is the structural representation sketch of electric slip ring device.
Fig. 5 is the left TV structure simplified schematic diagram of Fig. 4.
In above-mentioned figure: 1-ultrasonic transducer, 2-calibrator, 3-electric slip ring device, 4-PC, the straight power supply of 5-alternation, 6-cutter, 7-center steering body, 8-holding wire, 9-power line, 10-cutterhead, 11-anterior shield, shield in 12-, 13-tail shield, 14-master-control room, 15-cutter head, 16-wear-resistant block, 17-spring, 18-sealing-plug, 19-internal thread through hole, 20-stepped hole, 21-irony protective cover, 22-stator, 23-rotor, the a branch of stator lead of 24-, the a branch of rotor leading wire of 25-, 26-spline sheet, 27-bearing pin, 28-through hole, 29-fixed body, 30-jig, 31-tool rest, 32-groove, 33-stator.
Detailed description of the invention
The present invention is a kind of real time monitoring ultrasound wave device of shield machine cutter wear-resistant block thickness wear extent, the wear extent of fixing cutter wear-resistant block on this real time monitoring ultrasound wave device energy Real-Time Monitoring cutterhead, by electric slip ring device and with wire transmission mode, monitor signal is reached to the PC in tail shield control room, simultaneously the straight power supply of alternation in tail shield control room also ensures for calibrator provides continued power by electric slip ring device, has solved shield machine and can not carry out cutter wear-resistant block wear extent in work progress a difficult problem for Real-Time Monitoring.
In conjunction with Fig. 1, shield machine contains cutter 6, center steering body 7, cutterhead 10, anterior shield 11, middle shield 12, tail shield 13, master-control room 14, cutter head 15, wear-resistant block 16, fixed body 29 and tool rest 31, front end and cutterhead 10 that cutterhead 10 is fixed on center steering body 7 together rotate with center steering body 7, center steering body 7 is fixed on the center of anterior shield 11 by fixed body 29, on cutterhead 10, be fixed with tool rest 31, on tool rest 31, configure cutter 6, cutter 6 is made up of the wear-resistant block 16 being embedded on cutter head 15, in fact wear-resistant block 16 is exactly blade, the front end of middle shield 12 connects anterior shield 11, the rear end of middle shield 12 connects tail shield 13, tail shield 13 backend arrangement master-control rooms 14, described front end is the left end of Fig. 1, described rear end is the right-hand member of Fig. 1, the above-mentioned basic configuration that is shield machine.Described monitoring device contains the straight power supply 5 of ultrasonic transducer 1, calibrator 2, PC 4 and alternation, calibrator 2 possesses RS485 communication modes and communication distance reaches km, PC 4 configure generic data processing softwares also can be controlled transmission Monitoring instruction, cancel Monitoring instruction and monitoring time frequency is set, and the straight power supply 5 of alternation can be converted into the 220V alternating current of job site 3V direct current and provide lasting electric power for the normal work of calibrator 2.
Can explain in more detail the present invention by the following examples, the present invention is not limited to the following examples, discloses object of the present invention and is intended to protect all changes and improvements in the scope of the invention.
In conjunction with Fig. 1-2, on the large end face of cutter head 15, join and be drilled with internal thread through hole 19, the front-end configuration ultrasonic transducer 1 of internal thread through hole 19, the front end face of ultrasonic transducer 1 is concordant with the rear end face of wear-resistant block 16, be fixed with calibrator 2 apart from the rear end of internal thread through hole 19, calibrator 2 is fixed on cutterhead 10, the holding wire 8 connecting with ultrasonic transducer 1 connects with calibrator 2 from internal thread through hole 19 is drawn again, join and bore an axially extending bore 28 along the internal chamber wall of center steering body 7, the rear end that in the rear end of center steering body 7 is tail end and fixed body 29 is fitted with electric slip ring device 3 simultaneously, the holding wire 8 connecting with calibrator 2 and power line 9 are through implementing to dock with a branch of rotor leading wire 25 of drawing in electric slip ring device 3 again after through hole 28, and a branch of stator lead 24 of drawing in electric slip ring device 3 and the holding wire 8 docking, power line 9 is shield 12 in process, tail shield 13 rear respectively with the PC 4 being arranged in master-control room 14, the straight power supply 5 of alternation connects.
Ultrasonic transducer 1 is shorter to the holding wire 8 between electric slip ring device 3 to the holding wire 8 between calibrator 2 and calibrator 2, can not make signal that ultrasonic transducer 1 collects produce relaxation phenomenon and affects the Real-Time Monitoring reliability of PC 4.Electric slip ring device 3 can be controlled in 5m according to the configuration of existing shield machine to holding wire 8 length between PC 4, so also can not make signal that ultrasonic transducer 1 collects produce relaxation phenomenon and affect the Real-Time Monitoring reliability of PC 4, PC 4 can show the monitoring result of ultrasonic transducer 1 to wear-resistant block 16 in real time.
In conjunction with Fig. 2-3, the rear end of above-mentioned internal thread through hole 19 arranges and is linked with the stepped hole 20 larger than internal thread through hole 19 diameters, the diameter of internal thread through hole 19 is got 10mm with the interior holding wire 8 that can arrive between calibrator 2 by ultrasonic transducer 1, be step-like sealing-plug 18 by external screw thread and after spreading upon the locking agent on this external screw thread, be screwed in again the rear end of internal thread through hole 19, the maximum outside diameter of the diameter > sealing-plug 18 of stepped hole 20, spring 17 is set between ultrasonic transducer 1 and sealing-plug 18 and between this, is perfused with couplant, ultrasonic transducer 1 is similar to ultrasonic probe, join and be milled with groove 32 in a side of described stepped hole 20, the holding wire 8 of ultrasonic transducer 1 is connected on calibrator 2 by groove 32 from the central through hole of sealing-plug 18 is drawn, after described central through hole perfusion couplant, re-using fluid sealant seals described central through hole, described couplant can be penetrated into by the thread pitch of internal thread through hole 19 front end of ultrasonic transducer 1.
In conjunction with Fig. 2, the periphery configure of above-mentioned calibrator 2 has irony protective cover 21, and the holding wire 8 connecting with calibrator 2 and power line 9 are all implemented to dock with a branch of rotor leading wire 25 of drawing in electric slip ring device 3 through irony protective cover 21 and by through hole 28 again.
In conjunction with Fig. 4-5, above-mentioned electric slip ring device 3 comprises stator 22, rotor 23, a branch of stator lead 24, a branch of rotor leading wire 25, spline sheet 26, bearing pin 27, jig 30 and stator 33, the interior ring of stator 22 disposes several that spacing equates and determines slip ring, the outer shroud of rotor 23 disposes several slip rings that turn that spacing equates, describedly severally determine slip ring all corresponding to described several slip rings that turn, severally determine slip ring and connect and draw a branch of stator lead 24 from described, connect and draw a branch of rotor leading wire 25 from described several slip rings that turn, rotor 23 is fixed on the rear end of center steering body 7, stator 33 is fixed on center steering body 7 by a branch of rotor leading wire 25 and joins in the through hole 28 of brill, a branch of rotor leading wire 25 holding wire 8 that correspondence connects with calibrator 2 again and power line 9 are implemented to dock, connect and dispose jig 30 in the rear end of fixed body 29, on jig 30, be provided with symmetrical radially draw-in groove, in two described draw-in grooves, connect spline sheet 26 by bearing pin 27 respectively, two spline sheets 26 connect with stator 22 again, a branch of stator lead 24 and PC 4, the straight power supply 5 of alternation connects the holding wire 8 of coming, power line 9 is implemented docking.The three-phase trolley that the conducting principle of electric slip ring device 3 is joined close to overhead traveling crane, only described three-phase trolley is straight line contact, and 3 stator 22 is to rotate to contact with rotor 23 in electric slip ring device, because the maximum gauge of cutterhead 10 can reach 8 meters, therefore the less rotating speed of rotor 23 that causes of the rotating speed of center steering body 7 is also less, and the signal transmission between rotor 23 and stator can not produce relaxation phenomenon yet.
Because the rotor 23 that is fixed on center steering body 7 rear ends can together rotate with cutterhead 10, therefore the holding wire 8 that a branch of rotor leading wire 25 connects with calibrator 2 and power line 9 are also that the distance that is keeping relative is constant, and the jig 30 that is fixed on fixed body 29 rear ends does not rotate, therefore a branch of stator lead 24 is fixed with holding wire 8, power line 9 that PC 4, the straight power supply 5 of alternation connect, thereby electric slip ring device 3 of the present invention has solved the winding problem of holding wire 8 and power line 9 between rotating part and standing part.There are wearing and tearing and while causing its thickness to change in cutter wear-resistant block in the time of shield machine construction, the thickness wear extent electric signal transmission that ultrasonic transducer 1 can be real-time monitored is to calibrator 2, and calibrator 2 converts electrical signals to data signal again and by electric slip ring device 3, it transferred on PC 4 in real time.
Real time monitoring ultrasound wave device of the present invention has that antijamming capability is strong, the feature of good stability, simple and convenient assembly, can grasp in real time its state of wear by the contrast of numerical value before numerical value after cutter wear-resistant block wearing and tearing and wearing and tearing, preferably resolve the technical barrier that the wear extent of shield machine cutter wear-resistant block in work progress is difficult in real time, continues to monitor.
The embodiment selecting in this article for open object of the present invention, current think suitable, but will be appreciated that: the present invention is intended to comprise that all belong to all changes and the improvement of the embodiment in this design and the scope of the invention.
Claims (4)
1. the real time monitoring ultrasound wave device of a shield machine cutter wear-resistant block thickness wear extent, described shield machine contains cutter (6), center steering body (7), cutterhead (10), anterior shield (11), middle shield (12), tail shield (13), master-control room (14), cutter head (15), wear-resistant block (16), fixed body (29) and tool rest (31), front end and cutterhead (10) that cutterhead (10) is fixed on center steering body (7) together rotate with center steering body (7), center steering body (7) is fixed on the center of anterior shield (11) by fixed body (29), on cutterhead (10), be fixed with tool rest (31), tool rest (31) upper configuration cutter (6), cutter (6) is made up of the wear-resistant block (16) being embedded on cutter head (15), the front end of middle shield (12) connects anterior shield (11), the rear end of middle shield (12) connects tail shield (13), tail shield (13) backend arrangement master-control room (14), described monitoring device contains ultrasonic transducer (1), calibrator (2), PC (4) and the straight power supply of alternation (5), calibrator (2) possesses RS485 communication modes and communication distance reaches km, PC (4) configure generic data processing software also can be controlled transmission Monitoring instruction, cancel Monitoring instruction and monitoring time frequency is set, the straight power supply of alternation (5) can be converted into the 220V alternating current of job site 3V direct current also for the normal work of calibrator (2) provides lasting electric power, it is characterized in that:
On the large end face of cutter head (15), join and be drilled with internal thread through hole (19), the front-end configuration ultrasonic transducer (1) of internal thread through hole (19), the front end face of ultrasonic transducer (1) is concordant with the rear end face of wear-resistant block (16), be fixed with calibrator (2) apart from the rear end of internal thread through hole (19), calibrator (2) is fixed on cutterhead (10), the holding wire (8) connecting with ultrasonic transducer (1) connects with calibrator (2) from internal thread through hole (19) is drawn again, join and bore an axially extending bore (28) along the internal chamber wall of center steering body (7), be fitted with electric slip ring device (3) in the rear end of center steering body (7) and the rear end of fixed body (29) simultaneously, the holding wire (8) connecting with calibrator (2) and power line (9) are through docking with a branch of rotor leading wire (25) enforcement of drawing in electric slip ring device (3) after through hole (28) again, and a branch of stator lead (24) of drawing in electric slip ring device (3) and the holding wire docking (8), power line (9) is shield (12) in process, after tail shield (13) respectively with the PC (4) being arranged in master-control room (14), the straight power supply of alternation (5) connects.
2. the real time monitoring ultrasound wave device of shield machine cutter wear-resistant block thickness wear extent according to claim 1, it is characterized in that: the rear end of internal thread through hole (19) arranges and is linked with the stepped hole larger than internal thread through hole diameter, be step-like sealing-plug (18) by external screw thread and after spreading upon the locking agent on this external screw thread, be screwed in again the rear end of internal thread through hole (19), spring (17) is set between ultrasonic transducer (1) and sealing-plug (18) and between this, is perfused with couplant, join and be milled with groove (32) in a side of described stepped hole, the holding wire (8) of ultrasonic transducer (1) is connected on calibrator (2) by groove (32) from the central through hole of sealing-plug (18) is drawn, after described central through hole perfusion couplant, re-using fluid sealant seals described central through hole.
3. the real time monitoring ultrasound wave device of shield machine cutter wear-resistant block thickness wear extent according to claim 1; it is characterized in that: the periphery configure of calibrator (2) has irony protective cover (21), the holding wire (8) connecting with calibrator (2) and power line (9) are all implemented to dock with a branch of rotor leading wire (25) of drawing in electric slip ring device (3) through irony protective cover (21) and by through hole (28) again.
4. the real time monitoring ultrasound wave device of shield machine cutter wear-resistant block thickness wear extent according to claim 1, it is characterized in that: electric slip ring device (3) comprises stator (22), rotor (23), a branch of stator lead (24), a branch of rotor leading wire (25), spline sheet (26), bearing pin (27), jig (30) and stator (33), the interior ring of stator (22) disposes several that spacing equates and determines slip ring, the outer shroud of rotor (23) disposes several slip rings that turn that spacing equates, describedly severally determine slip ring all corresponding to described several slip rings that turn, severally determine slip ring and connect and draw a branch of stator lead (24) from described, connect and draw a branch of rotor leading wire (25) from described several slip rings that turn, rotor (23) is fixed on the rear end of center steering body (7), stator (33) is fixed on center steering body (7) by a branch of rotor leading wire (25) and joins in the through hole (28) of brill, a branch of rotor leading wire (25) is corresponding again to be implemented to dock with holding wire (8) and the power line (9) of calibrator (2) connection, connect and dispose jig (30) in the rear end of fixed body (29), on jig (30), be provided with symmetrical radially draw-in groove, in two described draw-in grooves, connect spline sheet (26) by bearing pin (27) respectively, two spline sheets (26) connect with stator (22) again, a branch of stator lead (24) and PC (4), the straight power supply of alternation (5) connects the holding wire (8) of coming, power line (9) is implemented docking.
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| CN201310005315.0A CN103114858B (en) | 2013-01-08 | 2013-01-08 | Ultrasonic real-time monitoring device for shield machine cutter anti-abrasion block thickness abrasion loss |
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| CN201310005315.0A CN103114858B (en) | 2013-01-08 | 2013-01-08 | Ultrasonic real-time monitoring device for shield machine cutter anti-abrasion block thickness abrasion loss |
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| CN103114858B true CN103114858B (en) | 2014-12-10 |
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| CN107036564A (en) * | 2017-06-08 | 2017-08-11 | 四川汇智众创科技有限公司 | A kind of shield machine roller cutter abrasion amount detecting device |
| CN109281680B (en) * | 2018-11-13 | 2023-08-15 | 吉林大学 | Shield hob with ultrasonic vibration function and hob rock breaking method |
| CN109579751A (en) * | 2018-11-30 | 2019-04-05 | 西安科技大学 | A kind of detection method and device of the shield machine cutter abrasion amount based on sound emission |
| CN110017147A (en) * | 2019-05-09 | 2019-07-16 | 中国电建集团铁路建设有限公司 | A kind of shield cutter abrasion real-time monitoring system and monitoring method |
| CN112855177B (en) * | 2019-08-29 | 2022-09-06 | 北京住总集团有限责任公司 | Wear-resistant shield machine |
| CN112985256B (en) * | 2019-12-16 | 2023-03-14 | 中国航发商用航空发动机有限责任公司 | High-pressure rotor comb tooth disk center butt joint algorithm |
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