CN112096394B - Shield constructs quick-witted ordinary pressure tool changing cutter detecting system - Google Patents
Shield constructs quick-witted ordinary pressure tool changing cutter detecting system Download PDFInfo
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- CN112096394B CN112096394B CN202010953253.6A CN202010953253A CN112096394B CN 112096394 B CN112096394 B CN 112096394B CN 202010953253 A CN202010953253 A CN 202010953253A CN 112096394 B CN112096394 B CN 112096394B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D9/087—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 with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
Abstract
The invention provides a shield machine normal pressure tool changing cutter detection system, which comprises a temperature sensor, a rotation sensor, a stress sensor and a wear detection hydraulic sensor, wherein the temperature sensor is used for monitoring the state of a shield machine hob cutter in real time; the rotary sensor is used for judging whether the hob is in the states of a chuck, eccentric wear and the like; the stress sensor is used for judging whether the hob is worn by a bearing or broken by a cutter ring; the wear detection hydraulic sensor detects whether the tool wear reaches a wear threshold value. The invention is based on the hob abrasion mechanism, monitors the temperature, rotation, stress, abrasion and other full states of the hob cutter in real time by combining a temperature sensor, a rotation sensor, a stress sensor and an abrasion detection hydraulic sensor, and displays related state information by a visual interface to help constructors and drivers to judge whether to replace the cutter.
Description
Technical Field
The invention relates to a real-time detection system for a cutter of a shield machine, in particular to a detection system for a normal-pressure cutter changing cutter of a shield machine.
Background
The tunneling cutter of the full-face tunneling machine is easy to wear in complex geological strata such as a water-rich sandy gravel stratum, a soft stratum and a hard stratum. Especially, the monitoring of the tunneling state of the hob in the composite stratum is very difficult, and once the hob is worn, the hob cannot be monitored and replaced in time, so that huge risks are brought to tunneling construction. At present, common hob abrasion detection is carried out in an oil-liquid type and a resistance type, only the abrasion critical point of a hob cutter can be detected, abnormal abrasion states such as eccentric abrasion of the hob, a hob chuck, stress breakage of a cutter ring and non-uniform abrasion cannot be monitored in real time, and the detection precision limitation is large due to factors such as geological environment.
By retrieval, CN108387261A discloses a wear detection device on the inner side of a box body, which cannot accurately reflect the normal wear condition of a cutter, and the anti-interference performance of a resistance sensor is poor; the influence of impact force on the cutter ring and the cutter shaft cannot be detected; the temperature sensor is arranged in the box body, the measuring point is only the blade part, the influence of abrasion on the cutter shaft and the cutter is difficult to accurately display, and whether the abrasion in a non-uniform mode occurs or not can not be judged.
Designers are based on the practical experience and professional knowledge which are abundant for many years when the products are designed and manufactured, and are matched with the application of scholars, research and innovation are actively carried out, so that a cutter detection system with a novel structure is created, and the cutter detection system is more practical. After continuous research and design, and repeated trial production and improvement, the invention with practical value is finally created.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a detection system for a normal-pressure tool changing cutter of a shield machine.
The technical scheme is as follows: in order to solve the technical problem, the invention provides a shield machine normal pressure cutter changing detection system, which comprises a temperature sensor, a rotation sensor, a stress sensor and a wear detection hydraulic sensor, and is used for monitoring the state of a shield machine hob cutter in real time and helping constructors and drivers judge that the cutter is in a safe state through visual interface display;
the temperature sensor is arranged in a first mounting hole of the cutter shaft, cutter temperature data are obtained in real time, and the cutter temperature data are used for indirectly judging whether the hob is subjected to abnormal phenomena of non-uniform wear or not, wherein the abnormal phenomena comprise eccentric wear of the hob, stress breakage of a hob chuck and a cutter ring, non-uniform wear and/or overlarge tunneling speed;
the rotary sensors are arranged at two ends of the cutter shaft and record the rotating speed data of the hob ring in real time, and the rotating speed data are used for judging whether the hob is in a state of a chuck, eccentric wear and the like;
the stress sensors are arranged in the second mounting hole and the third mounting hole of the cutter shaft, detect the influence of the sudden change stress on a cutter ring of the cutter shaft of the hob and are used for judging whether the hob is worn by a bearing or cracked;
the abrasion detection hydraulic sensor is an oil pressure type sensor arranged on an abrasion detection oil supply pipeline outside a hob cutter barrel, detects whether the abrasion of the cutter reaches an abrasion critical value or not, and is used for judging whether the hob needs to be replaced or not.
Preferably, the first mounting hole is formed in an end portion of the cutter shaft. The second mounting hole and the third mounting hole are arranged at a certain distance in the axial direction of the cutter shaft.
Preferably, the temperature stress protection cover is used for protecting the outgoing cable and the sealing of the temperature sensor and the stress sensor, the temperature stress protection cover is installed on the cutter shaft, the head is provided with a thread and a hydraulic oil pipe to be connected to the inside of the cutter cover, a temperature stress adapter plate connector is arranged outside the cutter cover, and the temperature stress adapter plate connector is connected with the cutter wireless acquisition module through the cable.
Specifically, a rotary adapter plate connector is further installed on the cutter cover, a connector at the lower part of the rotary adapter plate connector is connected with a rotary sensor outgoing cable, and the upper part of the rotary adapter plate connector is connected with the cutter wireless acquisition module through a connector cable.
Specifically, the abrasion detection mainly comprises an abrasion detection knife at the front section of the knife cylinder and an abrasion detection hydraulic sensor in the normal-pressure bin; the abrasion detection knife is filled with hydraulic oil with certain pressure, and the abrasion detection hydraulic sensor is installed on an oil supply pipeline of the hydraulic oil.
The cutting tool wireless acquisition module mainly comprises a battery bin and a circuit board bin; the cutter wireless acquisition module transmits a wireless signal in an antenna built-in mode; the cutter wireless acquisition module is connected with a temperature stress adapter plate connector on the cutter barrel, a rotary adapter plate connector and a wear detection hydraulic sensor in the normal-pressure bin through cables, acquires signals of related sensors in real time, analyzes the signal data and wirelessly transmits the related data; when the normal pressure tool changing is carried out, the cable connected to the temperature stress adapter plate on the tool cylinder and the cable connected to the rotary adapter plate can be pulled out, the connector position is plugged by the plug, and the tool cylinder is pulled out for tool changing.
Specifically, a wireless receiving module is installed on a partition plate of the normal-pressure cabin (outside the normal-pressure cabin), an antenna of the wireless receiving module penetrates into the normal-pressure cutter changing cabin through a hole formed in the partition plate of the normal-pressure cabin, and a signal sent by a cutter wireless acquisition module in the normal-pressure cabin is wirelessly received in real time.
When the normal-pressure tool changing and detecting system is used, the normal-pressure tool changing and detecting system comprises a hardware module and a sensor part which are arranged in a normal-pressure tool changing bin, a wireless receiving module and a control system in a cab; the hardware module and the sensor part in the normal-pressure tool changing bin mainly comprise a tool wireless acquisition module, a wear detection hydraulic sensor and a sensor part in a tool cylinder, wherein the tool wireless acquisition module, the wear detection hydraulic sensor and the sensor part are arranged in the normal-pressure tool changing bin; the sensor part in the cutter cylinder mainly comprises a temperature sensor arranged on the cutter shaft, a stress sensor for detecting stress by reforming the cutter shaft and a rotation sensor for detecting the rotation of the hob; the abrasion detection hydraulic sensor is arranged on an abrasion detection oil supply pipeline outside the cutter cylinder; the cutter wireless acquisition module is arranged on the mounting plate near the corresponding acquisition cutter barrel and mainly comprises a battery bin and a circuit board bin; a replaceable rechargeable battery is placed in the battery chamber to supply power to the circuit board in the circuit board chamber; the cutter wireless acquisition module is connected with the abrasion detection hydraulic sensor in the cutter barrel through a cable, and is used for acquiring signals of related sensors in real time, analyzing signal data and transmitting the related data in a wireless mode. The wireless receiving module wirelessly receives a signal sent by the cutter wireless acquisition module in the normal-pressure cabin in real time and transmits the signal to a control system in a cab in a wired RS485 communication mode; the control system in the cab mainly comprises a Mitsubishi PLC and a computer, wherein the Mitsubishi PLC receives data of the wireless receiving module, the data are communicated with computer upper computer software through a TCP/IP, and the upper computer software displays the temperature, rotation, stress and abrasion values of the cutter, alarm information and the like in real time.
The invention principle is as follows: the inventor monitors the temperature, rotation, stress, abrasion and other full states of the hob cutter in real time by researching the abrasion mechanism of the hob and combining a temperature sensor, a rotation sensor, a stress sensor and an abrasion detection hydraulic sensor. Meanwhile, related state information can be displayed through a visual interface, and accordingly constructors and drivers can be helped to judge whether to replace the cutter.
A temperature sensor: the temperature of the cutter is monitored in real time to indirectly judge whether the hob is abnormally abraded in a non-uniform manner;
a rotation sensor: the rotating speed of a hob ring of the hob is recorded in real time, and whether the hob is in a chuck state, an eccentric wear state and the like is judged;
a stress sensor: the influence of the sudden change stress on a cutter ring of a cutter shaft of the hob is detected through a stress strain sensor arranged at the position of the cutter shaft, and whether the hob is worn by a bearing or whether the cutter ring cracks or not is judged;
wear detection hydraulic sensor: the abrasion detection device detects the abrasion of the hob cutter cylinder by an oil pressure type sensor arranged on an oil supply pipeline and an abrasion detection cutter arranged at the front end of the hob cutter cylinder, a hole is formed in the abrasion detection cutter, hydraulic oil with certain pressure is filled in the hole, whether the value of the oil pressure type sensor becomes zero or not is judged, and whether the abrasion of the cutter is abraded or not and whether the hob needs to be replaced or not is judged.
Has the beneficial effects that: corresponding sensors are specially designed and installed on the cutter barrel and the cutter shaft in the normal-pressure cutter changing bin, the state of the hob is detected in real time, eccentric wear and abrasion of the hob can be found in time, the condition that the hob bears front stress can be detected, whether the cutter is damaged or not and eccentric wear and the like can be judged, the construction efficiency is improved, and the cutter changing process is convenient and quick due to the design of connectors.
In addition to the technical problems addressed by the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above. In order to make the objects, technical solutions and advantages of the present invention clearer, other technical problems, other technical features included in the technical solutions and advantages brought by the technical features which can be solved by the present invention will be described more clearly and completely with reference to the accompanying drawings in the embodiments of the present invention.
Drawings
FIG. 1 is a system architecture diagram of an embodiment of the present invention;
FIG. 2 is a diagram illustrating hardware in the tool holder according to an embodiment of the present invention;
FIG. 3 is a diagram of a stress sensor design in accordance with an embodiment of the present invention;
FIG. 4 is a layout diagram of the stress sensor outlet and temperature sensor mounting locations in an embodiment of the present invention;
FIG. 5 is a diagram of a protective cover for temperature and stress sensors in an embodiment of the invention;
FIG. 6 is a block diagram of a rotary adapter plate connector in accordance with an embodiment of the present invention;
FIG. 7 is a schematic diagram of a dual power supply system of a wireless acquisition module in an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.
The detection system for the normal-pressure cutter changing tool of the shield machine comprises a hardware module, a sensor part, a wireless receiving module and a control system in a cab, wherein the hardware module and the sensor part are installed in a normal-pressure cutter changing bin, as shown in figures 1-6.
The hardware module and the sensor part in the normal-pressure tool changing bin mainly comprise a tool wireless acquisition module 5, a wear detection hydraulic sensor 4 and a sensor part in a tool cylinder 9, wherein the tool wireless acquisition module 5, the wear detection hydraulic sensor and the sensor part are arranged in the normal-pressure tool changing bin; the sensor part in the knife cylinder 9 mainly comprises a temperature sensor 1 arranged on a knife shaft 12, and a stress sensor 2 which is arranged at the left 27 position and the right 28 position of the knife shaft to detect stress by transforming the knife shaft 12. A rotation sensor 3 for detecting rotation of the hob 21; the abrasion detection hydraulic sensor 4 is arranged on an oil supply pipeline for abrasion detection outside the cutter cylinder 9; the cutter wireless acquisition module 5 is arranged on the mounting plate near the corresponding acquisition cutter cylinder.
The rotation detection is performed through the rotation sensor 3 and eight magnets 36 uniformly distributed on the hob hub, when the rotation sensor 3 detects one magnet 36, the wireless acquisition module 5 records a pulse, and the hob rotation speed is calculated through the pulse; the rotary sensor 3 is arranged in the rotary protection cover 26, the cable of the rotary sensor 3 is connected to the inside of the knife cover 19 through the rotary protection cover 26 and the hydraulic oil pipe 24, and the rotary adapter plate connector 11 is arranged outside the knife cover 19 and is finally connected with the knife wireless acquisition module 5.
The temperature sensor 1 detects the temperature of the hob 21 by detecting the temperature of the hob shaft 12, a small hole 13 is formed in the hob shaft 12 of the hob 21, and the temperature sensor 1 is installed; the stress sensor 2 is based on a strain gauge principle, strain gauges are attached to positions 27 and 28 through holes, and two strain gauges are led out through positions 14; the outgoing cable and the sealing of the temperature sensor 1 and the stress sensor 2 are protected and sealed through a temperature stress protection cover 15, the temperature stress protection cover 15 is installed on a cutter shaft 12 through six installation bolts 29 and is connected to the inside of a cutter cover 19 through a head opening thread 30 and a hydraulic oil pipe 25, a temperature stress adapter plate connector 10 is installed outside the cutter cover 19, and finally the temperature stress adapter plate connector 10 is connected with a cutter wireless acquisition module 5 through a cable.
The rotary adapter plate connector 11 is installed on the cutter cover 19 through an installation bolt 33, a lower connector 32 of the rotary adapter plate connector 11 is connected with an outgoing cable of the rotary sensor 3, and an upper part 31 of the rotary adapter plate connector 11 is connected with the cutter wireless acquisition module 5 through a connector cable; the rotary adapter plate connector 11 is sealed by installing a sealing ring at a position 34, and if the hydraulic oil pipe 24 detected by rotation is damaged and water enters, the sealing ring can bear the water pressure of not less than 15Mpa for sealing protection.
The abrasion detection mainly comprises an abrasion detection knife 16 and an abrasion detection hydraulic sensor 4 which are arranged at the front section of the knife cylinder 9; welding a wear detection knife 16 on the knife cylinder 9, opening a hole in the wear detection knife, and filling hydraulic oil with certain pressure; the abrasion detection knife 16 is connected to a knife cover 19 through a hydraulic oil pipe 23, an oil pipe joint 18 is directly connected to the outside of the knife cover, the oil pipe joint 18 is connected to an oil supply pipeline for abrasion detection, and an abrasion detection hydraulic sensor is installed on the oil supply pipeline for abrasion detection of the knife cylinder.
The cutter wireless acquisition module 5 mainly comprises a battery bin and a circuit board bin; the cutter wireless acquisition module 5 transmits a wireless signal by adopting an antenna built-in mode 35; a replaceable rechargeable battery is placed in the battery chamber to supply power to the circuit board in the circuit board chamber; the cutter wireless acquisition module 5 is connected with a temperature stress adapter plate connector 10 on the cutter barrel 9, a rotary adapter plate connector 11 and the abrasion detection hydraulic sensor 4 in the normal-pressure bin through cables, acquires signals of related sensors in real time, analyzes signal data and wirelessly transmits the related data; when the normal pressure tool changing is carried out, the cables connected to the temperature stress adapter plate 10 on the tool cylinder 9 and the cable connected to the rotary adapter plate 11 can be pulled out, the connector position is plugged by the plug, and the tool cylinder 9 is convenient to pull out for tool changing.
The wireless acquisition module 5 has two power supply modes, namely, a battery 42 for supplying power and an external power supply 43 for supplying power; the external power supply 43 is connected with the battery 42 in the battery compartment through a DC/DC module, and when the external power supply 43 is powered off, the battery 42 in the battery compartment supplies power to the circuit board compartment; when the external power supply 43 is detected to be electrified, the external power supply 43 simultaneously supplies power to the circuit board bin and automatically charges the battery in the battery bin, and the maximum charging current and the charging cut-off voltage can be controlled; the power supplied by the external power supply 43 and the power supplied by the internal battery are input to the wireless acquisition module 5 through the two diodes 40 and 41, when the voltage of the external power supply 43 is higher than the voltage of the battery 42 in the battery bin, the diode 40 on the upper part is conducted in the forward direction, the diode 41 on the lower part is cut off in the reverse direction, and the external power supply 43 supplies power at the moment; when the external power supply 43 is at a voltage lower than the battery voltage or no voltage, the upper diode 40 is turned off in the reverse direction and the lower diode 41 is turned on, which is powered by the battery 42 in the battery compartment.
The external power supply 43 is a path of 24V power supply in the shield body, and the path of 24V power supply passes through a power supply slip ring in the central rotary joint 37 to the cutter detection active power supply box 38 in the normal pressure bin; the tool detection active power supply box 38 is arranged on the central rotary joint 37 in the normal-pressure cabin, and a DC/DC 24V stabilized power supply is arranged inside the tool detection active power supply box, so that the power supply voltage passing through a slip ring in the central rotary joint 37 cannot be suddenly changed, and the purpose of protecting the wireless acquisition module 5 is achieved; the cutter detection active power box 38 rotates along with the center rotary joint 37, a power supply cable to the wireless acquisition module 5 enters from two ways of Y of the center rotary joint 37 in the normal-pressure bin, the wireless acquisition module 5 is powered on one half of spokes of one path of cutter head in the Y-shaped fork, and the wireless acquisition module 5 is powered on the other half of spokes of the cutter head in the other path of the cutter head.
The wireless receiving module 6 is installed on the normal pressure cabin partition plate (outside the normal pressure cabin), and the antenna of the wireless receiving module 6 penetrates into the normal pressure cutter changing cabin through the hole formed in the normal pressure cabin partition plate, so that the signal sent by the cutter wireless collecting module 5 in the normal pressure cabin is received in a real-time wireless mode.
Control system in driver's cabin mainly includes Mitsubishi PLC7 (for data acquisition) and computer 8 (for data processing), and wireless receiving module 6 is through wired RS485 communication and Mitsubishi PLC7 communication, in data transmission to Mitsubishi PLC7 that detects in real time, and Mitsubishi PLC7 carries out the communication through TCP/IP and computer 8 host computer software, and host computer software shows the temperature, rotation, stress and the wearing and tearing numerical value of cutter in real time.
The upper computer control software is used for displaying the temperature, rotation, stress and abrasion values of the hob in real time; PLC communication state; displaying the latest refreshing time which is calculated, displaying alarm information of the hob which is caused by the change of the state of the hob and displaying the rotation state of the cutter head; the relevant state data information of each cutter can be checked in real time; the relevant state alarm information of each cutter can be checked in real time; a curve chart of the relevant state of each cutter can be viewed; the data acquisition frequency of the cutter wireless acquisition module 5 can be set, and the electric quantity is saved.
In the description of the present invention, it is to be understood that the terms "left", "right", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The particular features, structures, materials, or characteristics described in connection with the embodiments or examples are included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. The utility model provides a shield constructs quick-witted ordinary pressure tool changing cutter detecting system, includes temperature sensor, rotation sensor, stress transducer and wearing and tearing detection hydraulic sensor for real-time supervision shield constructs quick-witted hobbing cutter state, and through visual interface show, helps constructor and driver to judge cutter safe state, its characterized in that:
the temperature sensor is arranged in a first mounting hole of the cutter shaft, cutter temperature data are obtained in real time and used for indirectly judging the abnormity of the hob, and the abnormity of the hob comprises eccentric wear of the hob, stress breakage of a hob chuck and a cutter ring, non-uniform wear and/or overlarge tunneling speed;
the rotary sensors are arranged at two ends of the cutter shaft and record the rotating speed data of the hob ring in real time, and the rotating speed data is used for judging whether the hob is in chuck or eccentric wear;
the stress sensors are arranged in the second mounting hole and the third mounting hole of the cutter shaft, detect the influence of the sudden change stress on a cutter ring of the cutter shaft of the hob and are used for judging whether the hob is worn by a bearing or cracked;
the abrasion detection hydraulic sensor is an oil pressure type sensor arranged on an abrasion detection oil supply pipeline outside a hob cutter barrel, detects whether the abrasion of the cutter reaches an abrasion critical value or not, and is used for judging whether the hob needs to be replaced or not.
2. The system for detecting the normal-pressure tool changing tool of the shield tunneling machine according to claim 1, characterized in that: the first mounting hole is formed in the end portion of the cutter shaft.
3. The system for detecting the normal-pressure tool changing tool of the shield tunneling machine according to claim 1, characterized in that: the second mounting hole and the third mounting hole are arranged at a certain distance in the axial direction of the cutter shaft.
4. The system for detecting the normal-pressure tool changing tool of the shield tunneling machine according to claim 1, characterized in that: the temperature stress protection cover is used for protecting the outgoing cable and the sealing of the temperature sensor and the stress sensor, the temperature stress protection cover is installed on a cutter shaft, the temperature stress protection cover is connected to the inside of a cutter cover through a head thread and a hydraulic oil pipe, a temperature stress adapter plate connector is arranged outside the cutter cover, and the temperature stress adapter plate connector is connected with a cutter wireless acquisition module through a cable.
5. The system for detecting the normal-pressure tool changing tool of the shield tunneling machine according to claim 4, characterized in that: the cutter cover is also provided with a rotary adapter plate connector, the lower connector of the rotary adapter plate connector is connected with a rotary sensor outgoing cable, and the upper part of the rotary adapter plate connector is connected with the cutter wireless acquisition module through a connector cable.
6. The system for detecting the normal-pressure tool changing tool of the shield tunneling machine according to claim 1, characterized in that: the abrasion detection mainly comprises an abrasion detection knife at the front section of the knife cylinder and an abrasion detection hydraulic sensor in the normal-pressure bin; the abrasion detection knife is filled with hydraulic oil with certain pressure, and the abrasion detection hydraulic sensor is installed on an oil supply pipeline of the hydraulic oil.
7. The system for detecting the normal-pressure tool changing tool of the shield tunneling machine according to claim 1, characterized in that: the cutting tool wireless acquisition module mainly comprises a battery bin and a circuit board bin; the cutter wireless acquisition module transmits a wireless signal in an antenna built-in mode; the cutter wireless acquisition module is connected with a temperature stress adapter plate connector on the cutter barrel, a rotary adapter plate connector and a wear detection hydraulic sensor in the normal-pressure bin through cables, acquires signals of related sensors in real time, analyzes the signal data and wirelessly transmits the related data; when the normal pressure tool changing is carried out, the cable connected to the temperature stress adapter plate on the tool cylinder and the cable connected to the rotary adapter plate can be pulled out, the connector position is plugged by the plug, and the tool cylinder is pulled out for tool changing.
8. The system for detecting the normal-pressure tool changing tool of the shield tunneling machine according to claim 7, characterized in that: the wireless receiving module is installed on the normal-pressure cabin partition plate, the wireless receiving module antenna penetrates into the normal-pressure cutter changing cabin through the hole formed in the normal-pressure cabin partition plate, and the signal sent by the cutter wireless collecting module in the normal-pressure cabin is wirelessly received in real time.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010953253.6A CN112096394B (en) | 2020-09-11 | 2020-09-11 | Shield constructs quick-witted ordinary pressure tool changing cutter detecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010953253.6A CN112096394B (en) | 2020-09-11 | 2020-09-11 | Shield constructs quick-witted ordinary pressure tool changing cutter detecting system |
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| CN112096394A CN112096394A (en) | 2020-12-18 |
| CN112096394B true CN112096394B (en) | 2022-06-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112705533B (en) * | 2021-01-25 | 2023-06-20 | 成都和拓土木工程有限公司 | Blind pipe dredging and detecting integrated equipment |
| CN113090276B (en) * | 2021-04-21 | 2021-12-03 | 中交天和机械设备制造有限公司 | Detection method and system for normal-pressure tool changing tool of shield machine |
| CN113323678B (en) * | 2021-06-22 | 2023-07-28 | 马鞍山灵山机械设备科技有限公司 | Alloy mounting tool for shield cutter |
| CN114086973B (en) * | 2021-10-13 | 2023-10-27 | 湖南科技学院 | But tunnel engineering early warning shield constructs machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103969139B (en) * | 2014-04-30 | 2016-06-22 | 大连理工大学 | A kind of online hob abrasion detection method of development machine |
| CN106499400B (en) * | 2016-11-07 | 2018-12-14 | 中铁工程装备集团有限公司 | Quick-installed shield machine roller cutter state on-line detecting system and method |
| CN108387261A (en) * | 2017-12-25 | 2018-08-10 | 中铁工程装备集团有限公司 | A kind of cutter real-time monitoring system for normal pressure tool changing |
| CN108387195B (en) * | 2017-12-25 | 2020-07-31 | 中铁工程装备集团有限公司 | Hob abrasion loss measuring method for normal-pressure tool changing cutter |
| 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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