CN110905541A - Intelligent hob with state self-test function - Google Patents
Intelligent hob with state self-test function Download PDFInfo
- Publication number
- CN110905541A CN110905541A CN201911179338.7A CN201911179338A CN110905541A CN 110905541 A CN110905541 A CN 110905541A CN 201911179338 A CN201911179338 A CN 201911179338A CN 110905541 A CN110905541 A CN 110905541A
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- Prior art keywords
- hob
- hub
- power generation
- main control
- monitoring unit
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 79
- 238000010248 power generation Methods 0.000 claims abstract description 46
- 230000008054 signal transmission Effects 0.000 claims abstract description 17
- 239000003638 chemical reducing agent Substances 0.000 claims description 13
- 238000005520 cutting process Methods 0.000 claims description 10
- 230000001133 acceleration Effects 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 230000005641 tunneling Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention provides an intelligent hob with a state self-test function, which comprises a hob ring, wherein the hob ring is sleeved on a hob hub, a spacing ring is arranged between corresponding bearings, a first power generation assembly is arranged on the hob hub, a second power generation assembly is arranged on the spacing ring, and the first power generation assembly is matched with the second power generation assembly; the main control board is fixedly installed on the inner side of the cutter hub, the hob monitoring assembly and the signal transmission assembly are arranged on the cutter hub, the main control board is connected with the first power generation assembly, the hob monitoring assembly and the signal transmission assembly respectively, and the signal transmission assembly is in wireless connection with the main node. The invention can monitor the running state of the hob in real time through the hob monitoring component, indirectly judge the condition of the working section of the front cutterhead and guide a shield driver to maintain or replace the hob; meanwhile, the self-generating device is arranged on the hob, the monitoring assembly on the hob is powered, external power supply is not needed, wiring of a cutter head is reduced, and the hob has good popularization.
Description
Technical Field
The invention relates to the technical field of shield machine hobs, in particular to an intelligent hob with a state self-test function.
Background
Since the 21 st century, the urban process speed is faster and faster, and projects such as subway construction, tunnel construction and the like are more and more. The shield machine as the open circuit pioneer for tunnel construction is more and more emphasized by the construction party, and the use frequency is higher and higher. As an iron tooth and a steel tooth of a shield machine, a hob inevitably generates abrasion in the construction process, and the abrasion forms are different. The state of the hob greatly restricts the tunneling efficiency of the shield tunneling machine. Therefore, the real-time monitoring of the hob state is an important ring for the efficient and safe tunneling of the shield tunneling machine. At present, a wireless communication system for monitoring the state of a hob of a shield machine is disclosed in the patent application number of "CN 201711249244.3" and the patent name of "wireless communication system and method applied to monitoring the state of a hob of a shield machine", so that the processing, transmission and the like of monitoring information of the state of the hob are realized, and the real-time understanding of the running state of the hob by a worker is facilitated, but a state monitoring device for the specific structure of the hob does not exist at present.
Disclosure of Invention
The invention provides an intelligent hob with a state self-test function, aiming at the technical problem that the running state of a hob of a shield machine influences the tunneling efficiency of the shield machine to a great extent and a state monitoring device aiming at the specific structure of the hob does not exist at present.
In order to solve the above problems, the technical solution of the present invention is realized as follows:
an intelligent hob with a state self-test function comprises a hob ring, wherein the hob ring is sleeved on a hob hub, a spacing ring is arranged between corresponding bearings, a hob shaft penetrates through the bearings, a first power generation assembly is arranged on the hob hub, a second power generation assembly is arranged on the spacing ring, and the first power generation assembly is matched with the second power generation assembly; the main control board is fixedly mounted on the inner side of the cutter hub, the hob monitoring assembly and the signal transmission assembly are arranged on the cutter hub, the main control board is connected with the first power generation assembly, the hob monitoring assembly and the signal transmission assembly respectively, and the signal transmission assembly is in wireless connection with the main node.
Preferably, the first power generation assembly comprises a power generator, a speed reducer, a storage battery and a power generation circuit, the power generator, the speed reducer and the storage battery are all fixed on the inner side of the cutter hub, the power generator is matched with the second power generation assembly through the speed reducer, the power generator is connected with the storage battery through the power generation circuit, and the storage battery is connected with the main control board.
Preferably, the power generation circuit comprises a voltage boosting and reducing voltage stabilizing circuit and a storage battery charging circuit, the power generator is connected with the storage battery charging circuit through the voltage boosting and reducing voltage stabilizing circuit, and the storage battery charging circuit is connected with the storage battery.
Preferably, the second power generation assembly comprises an external gear, the external gear is sleeved on the spacer ring, and the external gear is meshed with the gear of the speed reducer in the first power generation assembly.
Preferably, the hob monitoring assembly comprises a rotating speed monitoring unit, and the rotating speed monitoring unit is connected with the main control panel; the rotating speed monitoring unit is matched with the cutter hub.
Preferably, the rotating speed monitoring unit comprises a plurality of strong magnetic blocks for rotating speed, the strong magnetic blocks are uniformly arranged on the separating ring, Hall elements corresponding to the strong magnetic blocks are uniformly arranged on the inner side of the cutter hub, and the Hall elements are connected with the main control panel.
Preferably, the hob monitoring assembly comprises a wear monitoring unit, the wear monitoring unit is fixed in the cutter hub opposite to the cutting edge of the cutter ring, and the wear monitoring unit is connected with the main control board.
Preferably, the wear monitoring unit comprises a plurality of ultrasonic transducers, the ultrasonic transducers are uniformly distributed in the axial direction of the cutter hub and correspond to the cutting edge of the cutter ring, and the ultrasonic transducers are connected with the main control board.
Preferably, hobbing cutter monitoring subassembly still includes the temperature monitoring unit, and the temperature monitoring unit is fixed at the sword hub inboard and the temperature monitoring unit is connected with the master control board.
Preferably, the temperature monitoring unit comprises a temperature sensor fixed on the inner side of the cutter hub, and the temperature sensor is connected with the main control panel.
Preferably, hobbing cutter monitoring subassembly still includes vibration monitoring unit, and vibration monitoring unit fixes at the sword hub inboard, and vibration monitoring unit is connected with the master control board.
Preferably, the vibration monitoring unit comprises an acceleration sensor, the acceleration sensor is fixed on the inner side of the cutter hub, and the acceleration sensor is connected with the main control panel.
Preferably, the signal transmission assembly comprises a rod antenna fixed on the cutter hub, and the main control board is wirelessly connected with the main node through the rod antenna.
The invention has the beneficial effects that: the hob upper rotating speed monitoring unit, the abrasion monitoring unit, the temperature monitoring unit and the vibration monitoring unit can monitor the hob rotating speed, the hob abrasion, the hob temperature and the vibration state of the hob in the cutting process in real time in the operation process of the hob, the hob state information is sent to the main node through the rod-shaped antenna, the condition of the front cutterhead working section is indirectly judged through the vibration state in the cutting process of the hob, and a shield driver is guided to maintain or replace the hob; meanwhile, the self-generating device is arranged on the hob, the monitoring assembly on the hob is powered, external power supply is not needed, wiring of a cutter head is reduced, and the hob has good popularization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of fig. 1.
In the figure, 1 is a storage battery, 2 is a rod antenna, 3 is a main control board, 4 is a generator, 5 is an external gear, 6 is a cutter ring, 7 is an ultrasonic transducer, 8 is a cutter hub, 9 is a bearing, 10 is a spacer ring, 11 is a strong magnet, 12 is a rod antenna wiring hole, and 13 is a cutter shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in figure 1, the intelligent hob with the state self-test function comprises a hob ring 6, the hob ring 6 is sleeved on a hob hub 8, two groups of bearings 9 are arranged in the hob hub 8, a spacing ring 10 is arranged between the two corresponding groups of bearings 9, a monitoring assembly and a power generation assembly in the intelligent hob are arranged in a space area between the two bearings, a hob shaft 13 is arranged in the bearings 9 in a penetrating manner, the cutter hub 8 is provided with a first power generation assembly, the space ring 10 is provided with a second power generation assembly, the first power generation assembly and the second power generation assembly are matched to realize self power generation, the storage battery stores electric energy generated by the power generation assembly, the storage battery supplies power to the main control panel and the monitoring assembly, the first power generation assembly and the second power generation assembly are utilized to realize self power generation, therefore, the wiring of the cutter head is reduced, the protection difficulty of the sensor is reduced, the change to the cutter head is reduced, and the device has a good popularization and application prospect.
The utility model discloses a hobbing cutter monitoring device, including sword hub 8, main control board 3, signal transmission subassembly, main control board 3, signal transmission subassembly and main node wireless connection, the inboard fixed mounting of sword hub 8 has main control board 3, is equipped with hobbing cutter monitoring subassembly and signal transmission subassembly on the sword hub 8, and main control board 3 is connected with first electricity generation subassembly, hobbing cutter monitoring subassembly and signal transmission subassembly respectively, and the signal transmission subassembly transmits the parameter of hobbing cutter monitoring subassembly monitoring to the main node through wireless transmission's mode, and the main node.
As shown in fig. 2, the first power generation assembly comprises a power generator 4, a speed reducer, a storage battery 1 and a power generation circuit, the power generator 4, the speed reducer and the storage battery 1 are all fixed on the inner side of a cutter hub 8, the power generator 4 is matched with a second power generation assembly through the speed reducer, the storage battery is fixed on the inner side of the cutter hub and rotates along with the cutter hub, the second power generation assembly comprises an external gear 5, the external gear 5 is sleeved on a spacer ring 10, the external gear 5 is meshed with a gear of the speed reducer in the first power generation assembly, the power generator and the speed reducer are integrally fixed on the inner side of the cutter hub and rotate along with the cutter hub, the power generator and a cutter shaft move relatively, the power generator acts to generate power, the power generator 4 is connected with the storage battery 1 through the power generation circuit, the power generator stabilizes the output voltage of the power generator at, the battery supplies power to the main control board 3.
The power generation circuit includes step-up step-down voltage stabilizing circuit and battery charging circuit, generator 4 is connected with battery charging circuit through step-up step-down voltage stabilizing circuit, battery charging circuit is connected with battery 1, step-up step-down voltage stabilizing circuit adopts boost chip circuit, boost chip circuit's input is connected with the output of generator, battery charging circuit adopts TC4054b charging chip circuit, boost chip circuit's input is connected with the input of TC4054b charging chip circuit, TC4054b charging chip circuit's output is connected with the battery and is used for charging to the battery.
The hob monitoring assembly comprises a rotating speed monitoring unit, and the rotating speed monitoring unit is connected with the main control board 3; the rotational speed monitoring unit cooperatees with sword hub 8 and is used for monitoring the rotational speed of hobbing cutter, rotational speed monitoring unit includes that a plurality of rotational speed is with strong magnet 11, strong magnet 11 evenly sets up on space ring 10, 4 phi 6 x 6 d's magnet hole of axial evenly distributed on the space ring between two inside bearings of hobbing cutter, strong magnet is placed in the magnet hole, 8 inboard evenly provided with of sword hub are with the corresponding hall element of strong magnet 11, hall element is hall sensor, hall element follows the sword hub and rotates together, thereby hall element and strong magnet take place relative motion, hall element is connected with main control board 3, the time of 2 strong magnets of hall element commentaries on classics through the timing, thereby obtain the actual rotational speed r of hobbing cutter =1/4 t.
The signal transmission subassembly includes rod antenna 2, rod antenna 2 is fixed in the rod antenna walk the downthehole 12 of seting up in the sword hub 8, main control board 3 passes through rod antenna 2 and main node wireless connection, the main control board transmits each item hobbing cutter state information of receiving to the wireless receiving main node through the wireless transmission mode, the main node transmits hobbing cutter state information for the host computer, and then realize the real-time supervision to shield structure machine hobbing cutter state, the host computer obtains the operating condition and the impaired situation of hobbing cutter through these parameters of analysis, the indirect condition of judging the place ahead cutterhead working section, instruct the shield driver to maintain or change the hobbing cutter, and optimize the tunnelling parameter.
Example 2: as shown in fig. 2, the intelligent hob with state self-test function, the hob monitoring assembly includes a wear monitoring unit, the wear monitoring unit is fixed in the hob hub 8 opposite to the cutting edge of the hob ring and is connected with the main control board 3; the wearing and tearing monitoring unit includes a plurality of ultrasonic transducer 7, ultrasonic transducer 7 evenly distributed is in the axial of sword hub 8 through-hole, ultrasonic transducer's the quantity that sets up is 4 at least groups, 4 ultrasonic transducer evenly distributed are in the axial of sword hub through-hole, and ultrasonic transducer 7's position and the corresponding effective wearing and tearing volume of being convenient for effectively measure the cutting edge of sword circle cutting edge, ultrasonic transducer 7 is connected with main control board 3, ultrasonic transducer measures the cutting edge wearing and tearing volume according to the ultrasonic ranging principle, ultrasonic transducer records initial cutting edge thickness and is W circle thickness△. At the time t, the real-time abrasion value of the hob is W = Wt-W△。
The rest of the structure is the same as in example 1.
Example 3: as shown in fig. 2, the intelligent hob with state self-test function further comprises a temperature monitoring unit, wherein the temperature monitoring unit is fixed on the inner side of the hob hub 8 and is connected with the main control board 3; the temperature monitoring unit comprises a temperature sensor, the temperature sensor is fixed on the inner side of the cutter hub 8, the main control board 3 is connected with the temperature sensor, the temperature sensor is used for collecting the temperature of the hob, and the hob temperature is monitored.
The rest of the structure is the same as in example 2.
Example 4: the hob monitoring assembly further comprises a vibration monitoring unit, the vibration monitoring unit is fixed on the inner side of the hob hub 8, and the vibration monitoring unit is connected with the main control board 3; the vibration monitoring unit comprises an acceleration sensor which is fixed on the inner side of the cutter hub 8 and is connected with the main control board 3, the acceleration sensor measures vibration parameters of the hob, the vibration parameters such as vibration speed and vibration amplitude are measured by the acceleration sensor, and whether the running state of the hob is normal or not is judged through the vibration parameters.
The rest of the structure is the same as in example 3.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (13)
1. An intelligent hob with state self-test function comprises a hob ring (6), wherein the hob ring (6) is sleeved on a hob hub (8), and a spacing ring (10) is arranged between corresponding bearings (9), and is characterized in that a first power generation assembly is arranged on the hob hub (8), a second power generation assembly is arranged on the spacing ring (10), and the first power generation assembly is matched with the second power generation assembly; the utility model discloses a power generation device, including sword hub (8), sword hub (8) inboard fixed mounting has main control board (3), is equipped with hobbing cutter monitoring subassembly and signal transmission subassembly on sword hub (8), and main control board (3) are connected with first electricity generation subassembly, hobbing cutter monitoring subassembly and signal transmission subassembly respectively, and signal transmission subassembly and main node wireless connection.
2. The intelligent hob with the state self-test function according to claim 1, wherein the first power generation assembly comprises a power generator (4), a speed reducer, a storage battery (1) and a power generation circuit, the power generator (4), the speed reducer and the storage battery (1) are all fixed on the inner side of the hob hub (8), the power generator (4) is matched with the second power generation assembly through the speed reducer, the power generator (4) is connected with the storage battery (1) through the power generation circuit, and the storage battery (1) is connected with the main control board (3).
3. The intelligent hob with self-test of state according to claim 2, characterized in that the power generation circuit comprises a step-up and step-down voltage stabilizing circuit and a battery charging circuit, the generator (4) is connected with the battery charging circuit through the step-up and step-down voltage stabilizing circuit, and the battery charging circuit is connected with the battery (1).
4. The intelligent hob with state self-testing according to claim 1 or 2, characterized in that the second power generation assembly comprises an external gear (5), the external gear (5) is sleeved on the spacer ring (10) and the external gear (5) is meshed with a gear of a speed reducer in the first power generation assembly.
5. The intelligent hob with state self-test according to claim 1, characterized in that the hob monitoring assembly comprises a rotation speed monitoring unit, the rotation speed monitoring unit is connected with the main control board (3); the rotating speed monitoring unit is matched with the cutter hub (8).
6. The intelligent hob with the state self-test function according to claim 5, wherein the rotation speed monitoring unit comprises a plurality of strong magnets (11) for rotation speed, the strong magnets (11) are uniformly arranged on the space ring (10), Hall elements corresponding to the strong magnets (11) are uniformly arranged on the inner side of the hob hub (8), and the Hall elements are connected with the main control board (3).
7. The intelligent hob with state self-test according to claim 1 or 5, characterized in, that the hob monitoring assembly comprises a wear monitoring unit, which is fixed in the hub (8) opposite the edge of the hob ring and which is connected with the main control board (3).
8. The intelligent hob with the self-test of the state according to claim 7, characterized in that the wear monitoring unit comprises a plurality of ultrasonic transducers (7), the ultrasonic transducers (7) are evenly distributed in the axial direction of the hob hub (8) and the ultrasonic transducers (7) correspond to the cutting edges of the hob ring, and the ultrasonic transducers (7) are connected with the main control board (3).
9. The intelligent hob with state self-testing according to claim 7, characterized in that the hob monitoring assembly further comprises a temperature monitoring unit, the temperature monitoring unit is fixed inside the hob hub (8) and the temperature monitoring unit is connected with the main control panel (3).
10. The intelligent hob with state self-testing according to claim 9, characterized in that the temperature monitoring unit comprises a temperature sensor, the temperature sensor is fixed inside the hob hub (8), and the main control board (3) is connected with the temperature sensor.
11. The intelligent hob with self-testing of state according to claim 1, 5 or 9, characterized in that the hob monitoring assembly further comprises a vibration monitoring unit, the vibration monitoring unit is fixed inside the hob hub (8), and the vibration monitoring unit is connected with the main control panel (3).
12. The intelligent hob with self-test status according to claim 11, characterized in, that the vibration monitoring unit comprises an acceleration sensor, which is fixed inside the hob hub (8) and which is connected with the main control board (3).
13. The intelligent hob according to claim 12, characterized in that the signal transmission assembly comprises a rod antenna (2), the rod antenna (2) is fixed in the hob hub (8), and the main control board (3) is wirelessly connected with the main node through the rod antenna (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911179338.7A CN110905541B (en) | 2019-11-27 | 2019-11-27 | Intelligent hob with state self-test function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911179338.7A CN110905541B (en) | 2019-11-27 | 2019-11-27 | Intelligent hob with state self-test function |
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| Publication Number | Publication Date |
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| CN110905541A true CN110905541A (en) | 2020-03-24 |
| CN110905541B CN110905541B (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911179338.7A Active CN110905541B (en) | 2019-11-27 | 2019-11-27 | Intelligent hob with state self-test function |
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| JPH08201529A (en) * | 1995-01-23 | 1996-08-09 | Mitsubishi Heavy Ind Ltd | Forward monitoring apparatus of shield machine |
| JP2766554B2 (en) * | 1990-06-08 | 1998-06-18 | 飛島建設株式会社 | Excavation control device for shield machine |
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| CN102251778A (en) * | 2011-06-20 | 2011-11-23 | 无锡盾建重工制造有限公司 | Hobbing cutter with wear indication function |
| CN102278122A (en) * | 2011-07-13 | 2011-12-14 | 无锡盾建重工制造有限公司 | End cover fixed hob with abrasion indication function for shield machine |
| CN202348288U (en) * | 2011-12-16 | 2012-07-25 | 盾建重工制造有限公司 | End cap fixed three-blade hob with abrasion detection function |
| CN205981152U (en) * | 2016-08-25 | 2017-02-22 | 德阳宏源机电工程有限责任公司 | Shield constructs quick -witted hobbing cutter convenient to monitoring cutter grinder damage volume |
| CN206053959U (en) * | 2016-08-31 | 2017-03-29 | 海瑞克股份公司 | The tool monitoring system of tunneler and corresponding tunneler |
| 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 |
| CN207395645U (en) * | 2017-11-06 | 2018-05-22 | 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 |
| CN108462243A (en) * | 2018-03-20 | 2018-08-28 | 中国计量大学 | A kind of generating and energy storage device of bicycle lock |
| CN109883470A (en) * | 2019-01-18 | 2019-06-14 | 北京工业大学 | Cutter head of shield machine condition monitoring system and method |
-
2019
- 2019-11-27 CN CN201911179338.7A patent/CN110905541B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2766554B2 (en) * | 1990-06-08 | 1998-06-18 | 飛島建設株式会社 | Excavation control device for shield machine |
| JPH08201529A (en) * | 1995-01-23 | 1996-08-09 | Mitsubishi Heavy Ind Ltd | Forward monitoring apparatus of shield machine |
| CN102055302A (en) * | 2009-11-10 | 2011-05-11 | 李秋发 | Magnetic power generation device |
| CN102251778A (en) * | 2011-06-20 | 2011-11-23 | 无锡盾建重工制造有限公司 | Hobbing cutter with wear indication function |
| CN102278122A (en) * | 2011-07-13 | 2011-12-14 | 无锡盾建重工制造有限公司 | End cover fixed hob with abrasion indication function for shield machine |
| CN202348288U (en) * | 2011-12-16 | 2012-07-25 | 盾建重工制造有限公司 | End cap fixed three-blade hob with abrasion detection function |
| CN205981152U (en) * | 2016-08-25 | 2017-02-22 | 德阳宏源机电工程有限责任公司 | Shield constructs quick -witted hobbing cutter convenient to monitoring cutter grinder damage volume |
| CN206053959U (en) * | 2016-08-31 | 2017-03-29 | 海瑞克股份公司 | The tool monitoring system of tunneler and corresponding tunneler |
| 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 |
| CN207395645U (en) * | 2017-11-06 | 2018-05-22 | 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 |
| CN108462243A (en) * | 2018-03-20 | 2018-08-28 | 中国计量大学 | A kind of generating and energy storage device of bicycle lock |
| CN109883470A (en) * | 2019-01-18 | 2019-06-14 | 北京工业大学 | Cutter head of shield machine condition monitoring system and method |
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| CN110905541B (en) | 2021-04-16 |
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