CN113194661B - Monitoring device for TBM front-end construction environment safety and using method thereof - Google Patents
Monitoring device for TBM front-end construction environment safety and using method thereof Download PDFInfo
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- CN113194661B CN113194661B CN202110367438.3A CN202110367438A CN113194661B CN 113194661 B CN113194661 B CN 113194661B CN 202110367438 A CN202110367438 A CN 202110367438A CN 113194661 B CN113194661 B CN 113194661B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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Abstract
The invention discloses a monitoring device for TBM front end construction environment safety and a using method thereof. The heat dissipation assembly, the cooling liquid bin, the single chip microcomputer, the ultrasonic detector and the fan are matched for use, the fan is used for driving air in a cavity between the top cover bin and the bottom cover bin to start flowing, the heat dissipation fins can absorb part of heat generated by the single chip microcomputer, the air with the heat is cooled by the cooling liquid in the cooling liquid bin and then blown to the heat dissipation fins and the single chip microcomputer again, the continuous cooling effect on the single chip microcomputer and the ultrasonic detector is guaranteed, and the single chip microcomputer and the ultrasonic detector can work for a long time.
Description
Technical Field
The invention relates to the technical field of monitoring devices, in particular to a monitoring device for TBM front-end construction environment safety and a using method thereof.
Background
The TBM is a full-face tunnel boring machine which is divided into an open tunnel boring machine and a shield type tunnel boring machine, wherein the construction procedures of boring, supporting, deslagging and the like are performed in parallel and continuously, the TBM is factory assembly line tunnel construction equipment integrating systems of machine, electricity, liquid, light, gas and the like, has the advantages of high boring speed, environmental protection, high comprehensive benefit and the like, can realize the construction of deep-buried long tunnels with complex geographical features which are difficult to realize by the traditional drilling and blasting method, and is applied to tunnel projects of China railways, hydropower, traffic, mines, municipal administration and the like and is rapidly increased.
When safety monitoring is carried out on the front-end construction environment of the TBM at present, an ultrasonic detector device is generally used for monitoring, the ultrasonic detector device is generally fixedly arranged on the inner sides of two groups of supporting shoes of the TBM at present, and the temperature in a tunnel can be increased during the working period of the TBM, and moisture can also exist in the tunnel, so that the tunnel is in a damp and hot environment, the ultrasonic detector device can be greatly corroded, and the service life of the ultrasonic detector device is influenced; the temperature in the tunnel can be increased due to the work of the TBM, and if the ultrasonic detector device cannot be cooled in time, the long-time operation of the ultrasonic detector device can be greatly influenced; meanwhile, most of the conventional ultrasonic detector devices are fixedly arranged on the inner sides of two groups of supporting shoes of the TBM, and the facing direction of the ultrasonic detector devices cannot be changed automatically, so that the monitoring range of the ultrasonic detector devices is very limited.
Disclosure of Invention
The invention aims to provide a monitoring device for the safety of a TBM front-end construction environment and a using method thereof, so as to solve the related problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a monitoring device for TBM front end construction environment safety comprises a bottom plate, wherein a rotating shaft is arranged at the center of the top of the bottom plate, a bottom cover bin is mounted at the top end of the rotating shaft, a top cover bin is mounted at the top of the bottom cover bin, a dehumidifying component is arranged at the center of the top cover bin, a cooling liquid bin is arranged at the edge of the inner top of the top cover bin, a fan is mounted at the bottom of an inner ring of the cooling liquid bin, heat exchange tubes are uniformly arranged in the cooling liquid bin, one ends of the heat exchange tubes extend to the inner ring of the cooling liquid bin, the other ends of the heat exchange tubes penetrate through the bottom of the cooling liquid bin, a heat dissipation component is arranged at the inner top of the bottom cover bin, a single chip microcomputer is mounted at the center of the inner bottom of the bottom cover bin, an ultrasonic detector is mounted on the inner side of the bottom cover bin, and an annular groove is formed at the edge of the top of the bottom plate, an annular rack is arranged on the inner side of the annular groove, a servo motor is arranged at a non-circle center position of the bottom cover bin, an output end of the servo motor penetrates through the bottom cover bin and is provided with a gear meshed with the annular rack, and a joint is arranged at the bottom of the outer side of the bottom cover bin;
the dehumidification assembly comprises a sealing cover, a drying bag, a cone, side plates and sieve plates, wherein the sealing cover is arranged at the center of the top cover bin, the cone is arranged at the center of the bottom of the sealing cover, the side plates are uniformly arranged at positions, which are not the circle center, of the bottom of the sealing cover, the three groups of sieve plates are uniformly arranged between two adjacent groups of side plates, and the drying bag is arranged at the top of each sieve plate;
the heat dissipation assembly comprises a mounting frame, a connecting bearing, a mounting rod and heat dissipation fins, the mounting frame is mounted at the top of the inner side of the bottom cover bin, the connecting bearing is mounted at the middle position of the bottom end of the mounting frame, the mounting rod is mounted on the inner side of the connecting bearing, and the heat dissipation fins are uniformly mounted on the outer side of the mounting rod.
Preferably, a first flange plate is installed at the bottom of the outer side of the top cover bin, a second flange plate is installed at the top of the outer side of the bottom cover bin, and the first flange plate and the second flange plate are fixedly connected through a fixing bolt.
Preferably, the position department in the non-centre of a circle in top in the top cap storehouse installs the collar, the outside of collar and the inboard in top cap storehouse all are provided with the annular frame, and are provided with annular filter screen on two sets of annular frames jointly, the even screw thread in bottom of annular filter screen is provided with the set screw, annular filter screen passes through set screw and annular frame fixed connection.
Preferably, the non-circle center position of the top cover bin is provided with an annular placing groove matched with the sealing cover, the edge position of the top of the sealing cover is provided with screws in an even threaded manner, the sealing cover is fixedly connected with the inner bottom of the annular placing groove through the screws, and the edge position of the bottom of the sealing cover is provided with a sealing ring.
Preferably, the two ends of the bottom plate are symmetrically provided with the supporting frames, and the bottom of the outer side of each supporting frame is provided with a fixing hole.
Preferably, the top of the cooling liquid bin is provided with a liquid injection port, and the top thread of the liquid injection port is provided with an internal thread cover.
Preferably, an arc-shaped groove is formed in the middle of the top of the sealing cover, a handle is hinged to the inner portion of the arc-shaped groove, and an anti-skidding sleeve is arranged on the outer side of the handle.
Preferably, the use method of the monitoring device for the safety of the TBM front-end construction environment comprises the following steps:
before use, the two groups of devices are respectively and fixedly installed at the tops of the inner sides of the two groups of supporting shoes of the TBM through supporting frames, then, when the TBM advances for a certain distance, an ultrasonic detector is controlled by a main control console on the TBM to emit ultrasonic waves to a construction environment at the front end of the TBM, after echo is received, signals are transmitted to a single chip microcomputer, and then, the single chip microcomputer transmits processed information to the main control console on the TBM;
when the construction environment around the tunnel needs to be monitored, the servo motor is controlled to drive the gear to rotate, so that the bottom cover bin and the top cover bin rotate at the top of the bottom plate by a fixed angle together, and the soil environment around the construction tunnel is monitored more accurately by the ultrasonic detector;
when the ultrasonic detector and the single chip microcomputer work, heat is generated, the fan is controlled to rotate, the fan is used for forcing air in a cavity between the top cover bin and the bottom cover bin to start flowing, the air with the heat is filtered by the annular filter screen and then enters a plurality of groups of heat exchange tubes, the heat of the air in the heat exchange tubes is absorbed by cooling liquid in the cooling liquid bin in the process, then the air enters the cavity at the inner ring part of the cooling liquid bin, and water vapor in the air is absorbed by the drying bag;
and fourthly, blowing the cooled and dehumidified air to among the plurality of groups of radiating fins by the fan, carrying out air blowing cooling on the radiating fins and the single chip microcomputer, and finally, re-entering the air with heat into the heat exchange tubes to form circular flow of the air.
Compared with the prior art, the invention provides a monitoring device for TBM front-end construction environment safety and a using method thereof, and the monitoring device has the following beneficial effects:
1. according to the invention, through the matched use of the top cover bin, the dehumidification component, the bottom cover bin and the joint, the singlechip and the ultrasonic detector are sealed in the cavity between the top cover bin and the bottom cover bin, so that the corrosion of damp and hot air in a tunnel to the singlechip and the ultrasonic detector can be avoided, the moisture in the air in the cavity between the top cover bin and the bottom cover bin is absorbed by the drying bag, the influence of the moisture in the cavity on the singlechip and the ultrasonic detector is also avoided, and the service life of the whole monitoring device is greatly ensured.
2. According to the invention, through the matched use of the top cover bin, the bottom cover bin, the heat dissipation assembly, the cooling liquid bin, the single chip microcomputer, the ultrasonic detector, the heat exchange tube and the fan, the fan drives the air in the cavity between the top cover bin and the bottom cover bin to start flowing, the heat dissipation fin can absorb part of the heat generated by the single chip microcomputer, the air with the heat is cooled by the cooling liquid in the cooling liquid bin and then blown to the heat dissipation fin and the single chip microcomputer again, the continuous cooling effect on the single chip microcomputer and the ultrasonic detector is ensured, and the single chip microcomputer and the ultrasonic detector can work for a long time.
3. According to the invention, through the matched use of the top cover bin, the bottom plate, the rotating shaft, the servo motor, the gear, the annular rack and the annular groove, when the environment around the tunnel needs to be monitored, the servo motor is controlled to rotate, so that the top cover bin and the bottom cover bin rotate by a fixed angle by taking the rotating shaft as an axis, the ultrasonic detector can face different directions, and the monitoring range of the whole monitoring device is wider and more accurate.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a bottom view of the top head bin of the present invention;
FIG. 4 is a top view of the bottom housing of the present invention;
FIG. 5 is a bottom view of the dehumidification assembly of the present invention;
FIG. 6 is a schematic perspective view of the top head bin of the present invention;
FIG. 7 is an enlarged view of FIG. 2 at A.
In the figure: 1. a top cover bin; 2. a dehumidification assembly; 201. a sealing cover; 202. drying and packaging; 203. a cone; 204. a side plate; 205. a sieve plate; 3. a bottom cover bin; 4. a joint; 5. a base plate; 6. a rotating shaft; 7. a heat dissipating component; 701. a mounting frame; 702. connecting a bearing; 703. mounting a rod; 704. a heat sink; 8. a cooling liquid bin; 9. an annular filter screen; 10. a mounting ring; 11. a servo motor; 12. a gear; 13. a single chip microcomputer; 14. an annular rack; 15. an annular groove; 16. an ultrasonic detector; 17. a heat exchange tube; 18. a fan.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-7, the present invention provides a technical solution: a monitoring device for TBM front end construction environment safety comprises a bottom plate 5, a rotating shaft 6 is arranged at the center of the top of the bottom plate 5, a bottom cover bin 3 is installed at the top end of the rotating shaft 6, a top cover bin 1 is installed at the top of the bottom cover bin 3, a dehumidifying component 2 is arranged at the center of the top cover bin 1, a cooling liquid bin 8 is arranged at the edge of the inner top of the top cover bin 1, a fan 18 is installed at the bottom of the inner ring of the cooling liquid bin 8, heat exchange tubes 17 are uniformly arranged inside the cooling liquid bin 8, one ends of the heat exchange tubes 17 extend to the inner ring of the cooling liquid bin 8, the other ends of the heat exchange tubes 17 penetrate through the bottom of the cooling liquid bin 8, a heat dissipation component 7 is arranged at the inner top of the bottom cover bin 3, a single chip microcomputer 13 is installed at the center of the inner bottom of the bottom cover bin 3, an ultrasonic detector 16 is installed on the inner side of the bottom cover bin 3, an annular groove 15 is formed at the edge of the top of the bottom plate 5, and the inner side of the annular groove 15 is provided with an annular rack 14, a servo motor 11 is arranged at a non-circle center position at the bottom of the bottom cover bin 3, the output end of the servo motor 11 penetrates through the bottom cover bin 3 and is provided with a gear 12 which is meshed with the annular rack 14, and the bottom of the outer side of the bottom cover bin 3 is provided with a joint 4.
As a preferable embodiment of the present embodiment: the dehumidifying component 2 comprises a sealing cover 201, a drying bag 202, a cone 203, side plates 204 and sieve plates 205, the sealing cover 201 is installed at the center of the top cover bin 1, the cone 203 is installed at the center of the bottom of the sealing cover 201, the side plates 204 are evenly installed at the positions, which are not the center of a circle, of the bottom of the sealing cover 201, three groups of sieve plates 205 are evenly installed between every two adjacent groups of side plates 204, the drying bag 202 is arranged at the top of each sieve plate 205, water vapor in air in a cavity between the top cover bin 1 and the bottom cover bin 3 can be adsorbed, and the service life of the single chip microcomputer 13 and the service life of the ultrasonic detector 16 are prevented from being influenced by the water vapor.
As a preferable embodiment of the present embodiment: the heat dissipation assembly 7 comprises a mounting frame 701, a connecting bearing 702, a mounting rod 703 and a heat dissipation sheet 704, the mounting frame 701 is mounted at the top of the inner side of the bottom cover bin 3, the connecting bearing 702 is mounted at the middle position of the bottom end of the mounting frame 701, the mounting rod 703 is mounted on the inner side of the connecting bearing 702, the heat dissipation sheet 704 is uniformly mounted on the outer side of the mounting rod 703, and the improvement of the heat dissipation effect of the single chip microcomputer 13 and the ultrasonic detector 16 is facilitated.
As a preferable aspect of the present embodiment: first ring flange is installed to the bottom in the top cap storehouse 1 outside, and the second ring flange is installed at the top in the bottom storehouse 3 outsides, and first ring flange and second ring flange pass through fixing bolt fixed connection, are convenient for separate top cap storehouse 1 and bottom storehouse 3, overhaul the maintenance to inside part.
As a preferable aspect of the present embodiment: the position department of the top non-centre of a circle installs the collar 10 in the top cap storehouse 1, and the outside of collar 10 and the inboard of top cap storehouse 1 all are provided with the annular frame, and are provided with annular filter screen 9 on two sets of annular frames jointly, and the even screw thread in bottom of annular filter screen 9 is provided with the set screw, and annular filter screen 9 passes through set screw and annular frame fixed connection, is convenient for filter the air in the cavity between top cap storehouse 1 and the bottom storehouse 3.
Example two
Referring to fig. 1-7, the present invention provides a technical solution: a monitoring device for TBM front end construction environment safety comprises a bottom plate 5, a rotating shaft 6 is arranged at the center of the top of the bottom plate 5, a bottom cover bin 3 is arranged at the top end of the rotating shaft 6, a top cover bin 1 is arranged at the top of the bottom cover bin 3, a dehumidifying component 2 is arranged at the center of the top cover bin 1, a cooling liquid bin 8 is arranged at the edge of the top of the inner top of the top cover bin 1, a fan 18 is arranged at the bottom of the inner ring of the cooling liquid bin 8, heat exchange tubes 17 are uniformly arranged inside the cooling liquid bin 8, one ends of the heat exchange tubes 17 extend to the inner ring of the cooling liquid bin 8, the other ends of the heat exchange tubes 17 penetrate through the bottom of the cooling liquid bin 8, a heat dissipation component 7 is arranged at the inner top of the bottom cover bin 3, a single chip microcomputer 13 is arranged at the center of the bottom cover bin 3, an ultrasonic detector 16 is arranged on the inner side of the bottom cover bin 3, an annular groove 15 is arranged at the edge of the top of the bottom plate 5, an annular rack 14 is arranged on the inner side of the annular groove 15, a servo motor 11 is arranged at a non-circle center position of the bottom cover bin 3, an output end of the servo motor 11 penetrates through the bottom cover bin 3 and is provided with a gear 12 which is meshed with the annular rack 14, and a joint 4 is arranged at the bottom of the outer side of the bottom cover bin 3;
the dehumidifying component 2 comprises a sealing cover 201, a drying bag 202, a cone 203, side plates 204 and sieve plates 205, the sealing cover 201 is installed at the center of the top cover bin 1, the cone 203 is installed at the center of the bottom of the sealing cover 201, the side plates 204 are evenly installed at the positions, which are not the center of a circle, of the bottom of the sealing cover 201, three groups of sieve plates 205 are evenly installed between two adjacent groups of side plates 204, the drying bag 202 is arranged at the top of the sieve plates 205, moisture in air in a cavity between the top cover bin 1 and the bottom cover bin 3 can be adsorbed, and the moisture is prevented from affecting the service life of the single chip microcomputer 13 and the ultrasonic detector 16;
the heat dissipation assembly 7 comprises a mounting frame 701, a connecting bearing 702, a mounting rod 703 and a heat dissipation sheet 704, the mounting frame 701 is mounted at the top of the inner side of the bottom cover bin 3, the connecting bearing 702 is mounted at the middle position of the bottom end of the mounting frame 701, the mounting rod 703 is mounted on the inner side of the connecting bearing 702, the heat dissipation sheet 704 is uniformly mounted on the outer side of the mounting rod 703, and the improvement of the heat dissipation effect of the single chip microcomputer 13 and the ultrasonic detector 16 is facilitated.
As a preferable aspect of the present embodiment: first ring flange is installed to the bottom in the top cap storehouse 1 outside, and the second ring flange is installed at the top in the bottom storehouse 3 outsides, and first ring flange and second ring flange pass through fixing bolt fixed connection, are convenient for separate top cap storehouse 1 and bottom storehouse 3, overhaul the maintenance to inside part.
As a preferable embodiment of the present embodiment: the position department of the non-centre of a circle in top in the top cap storehouse 1 installs collar 10, and the outside of collar 10 and the inboard in top cap storehouse 1 all are provided with the annular frame, and are provided with annular filter screen 9 on two sets of annular frames jointly, and the even screw thread in bottom of annular filter screen 9 is provided with the set screw, and annular filter screen 9 passes through set screw and annular frame fixed connection, is convenient for filter the air in the cavity between top cap storehouse 1 and the bottom storehouse 3.
As a preferable aspect of the present embodiment: the annular standing groove mutually matched with the sealing cover 201 is formed in the non-circle center position of the top cover bin 1, screws are arranged on the edge positions of the top of the sealing cover 201 in an evenly threaded mode, the sealing cover 201 is fixedly connected with the inner bottom of the annular standing groove through the screws, and the sealing ring is arranged at the edge position of the bottom of the sealing cover 201 and contributes to improving the sealing performance of a cavity between the top cover bin 1 and the bottom cover bin 3.
As a preferable aspect of the present embodiment: the support frame is symmetrically installed at the two ends of the bottom plate 5, and the bottom of the outer side of the support frame is provided with a fixing hole, so that the whole device is conveniently and fixedly installed on the inner sides of the two sets of supporting boots of the TBM.
As a preferable aspect of the present embodiment: the top of the cooling liquid bin 8 is provided with a liquid injection port, and the top thread of the liquid injection port is provided with an internal thread cover, so that cooling liquid can be supplemented to the inside of the cooling liquid bin 8 in time.
As a preferable aspect of the present embodiment: the arc wall has been seted up to the intermediate position department at sealed lid 201 top, and the inside of arc wall articulates there is the handle, and the outside of handle is provided with anti-skidding cover, can be manual take out dehumidification subassembly 2 from top cap storehouse 1 is inside to be convenient for change drying bag 202.
As a preferable aspect of the present embodiment: a use method of a monitoring device for TBM front end construction environment safety comprises the following steps:
before use, the two groups of devices are respectively and fixedly installed at the tops of the inner sides of the two groups of supporting shoes of the TBM through the supporting frames, then, when the TBM advances for a certain distance, the main control console on the TBM controls the ultrasonic detector 16 to emit ultrasonic waves to the construction environment at the front end of the TBM, after echo is received, signals are transmitted to the single chip microcomputer 13, and then, the single chip microcomputer 13 transmits processed information to the main control console on the TBM;
when the construction environment around the tunnel needs to be monitored, the servo motor 11 is controlled to drive the gear 12 to rotate, so that the bottom cover bin 3 and the top cover bin 1 rotate together at the top of the bottom plate 5 by a fixed angle, and the ultrasonic detector 16 can be used for more accurately monitoring the soil environment around the tunnel;
when the ultrasonic detector 16 and the single chip microcomputer 13 work, heat is generated, the fan 18 is controlled to rotate, the fan 18 is used for forcing air in a cavity between the top cover bin 1 and the bottom cover bin 3 to start flowing, the air with heat is filtered by the annular filter screen 9 and then enters the plurality of groups of heat exchange tubes 17, the heat of the air in the heat exchange tubes 17 is absorbed by cooling liquid in the cooling liquid bin 8 in the process, then the air enters the cavity at the inner ring part of the cooling liquid bin 8, and water vapor in the air is absorbed by the drying bag 202;
fourthly, the fan 18 blows the air subjected to temperature reduction and dehumidification among the plurality of groups of radiating fins 704, the radiating fins 704 and the single chip microcomputer 13 are subjected to air blowing and temperature reduction, and finally the air with heat enters the heat exchange tube 17 again to form air circulation flow.
The working principle is as follows: before the device is used, the device is powered on, then the two groups of devices are respectively and fixedly installed at the tops of the inner sides of the two groups of supporting shoes of the TBM through the supporting frames, then when the TBM advances for a certain distance, the main control console on the TBM controls the ultrasonic detector 16 to emit ultrasonic waves to the construction environment at the front end of the TBM, after echo is received, signals are transmitted to the single chip microcomputer 13, and then the single chip microcomputer 13 transmits processed information to the main control console on the TBM; when the construction environment around the tunnel needs to be monitored, the servo motor 11 is controlled to drive the gear 12 to rotate, so that the bottom cover bin 3 and the top cover bin 1 rotate together at the top of the bottom plate 5 by a fixed angle, the soil environment around the construction tunnel can be monitored more accurately by the ultrasonic detector 16, and the construction environment at the front end of the TBM can be monitored when the ultrasonic detector 16 faces the front end direction of the TBM; because the ultrasonic detector 16 and the single chip microcomputer 13 can generate more heat when working, the fan 18 is controlled to rotate at the moment, the fan 18 is used for forcing the air in the cavity between the top cover bin 1 and the bottom cover bin 3 to start flowing, the air with heat is filtered by the annular filter screen 9 and then enters the plurality of groups of heat exchange tubes 17, in the process, the heat of the air in the heat exchange tubes 17 is absorbed by the cooling liquid in the cooling liquid bin 8, then the air enters the cavity at the inner ring part of the cooling liquid bin 8, the water vapor in the air is absorbed by the drying bag 202 after passing through the drying bag 202, then the fan 18 blows the air after temperature reduction and dehumidification to the plurality of groups of cooling fins 704, the air cooling fins 704 and the single chip microcomputer 13 are blown for temperature reduction, and finally the air with heat enters the heat exchange tubes 17 again to form the circular flow of the air; when the parts in the top cover bin 1 and the bottom cover bin 3 need to be overhauled and maintained, the fixing bolts on the flange plates on the outer sides of the top cover bin 1 and the bottom cover bin 3 are unscrewed, the top cover bin 1 and the bottom cover bin 3 are detached, if the drying bag 202 is replaced, the screws at the top of the sealing cover 201 are unscrewed, the whole dehumidifying component 2 is taken out from the inside of the top cover bin 1, and then the drying bag 202 on the sieve plate 205 is replaced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a monitoring devices for TBM front end construction environment security, includes bottom plate (5), its characterized in that: the central position department at bottom plate (5) top is provided with axis of rotation (6), and the top of axis of rotation (6) installs bottom cover storehouse (3), top cover storehouse (1) is installed at the top of bottom cover storehouse (3), the central position department at top cover storehouse (1) top is provided with dehumidification subassembly (2), the border position department at top in top cover storehouse (1) is provided with coolant liquid storehouse (8), and the bottom of coolant liquid storehouse (8) inner circle installs fan (18), the inside of coolant liquid storehouse (8) evenly is provided with hot exchange pipe (17), the one end of hot exchange pipe (17) extends to the inner circle position of coolant liquid storehouse (8), the other end of hot exchange pipe (17) passes the bottom of coolant liquid storehouse (8), the interior top of bottom cover storehouse (3) is provided with radiator unit (7), the central position department of bottom in bottom cover storehouse (3) installs singlechip (13), an ultrasonic detector (16) is installed on the inner side of the bottom cover bin (3), an annular groove (15) is formed in the edge position of the top of the bottom plate (5), an annular rack (14) is arranged on the inner side of the annular groove (15), a servo motor (11) is installed at a non-circle center position of the bottom cover bin (3), the output end of the servo motor (11) penetrates through the bottom cover bin (3) and is provided with a gear (12) meshed with the annular rack (14), and a connector (4) is installed at the bottom of the outer side of the bottom cover bin (3);
the dehumidification assembly (2) comprises a sealing cover (201), a drying bag (202), a cone (203), side plates (204) and sieve plates (205), the sealing cover (201) is installed at the center of the top cover bin (1), the cone (203) is installed at the center of the bottom of the sealing cover (201), the side plates (204) are evenly installed at positions, which are not the center of a circle, of the bottom of the sealing cover (201), three groups of sieve plates (205) are evenly installed between every two adjacent groups of side plates (204), and the drying bag (202) is arranged at the top of each sieve plate (205);
radiator unit (7) include mounting bracket (701), connection bearing (702), installation pole (703) and fin (704), mounting bracket (701) are installed at the top of bottom cap storehouse (3) inboard, and the intermediate position department of mounting bracket (701) bottom installs connection bearing (702), installation pole (703) are installed to the inboard of connection bearing (702), fin (704) are evenly installed in the outside of installation pole (703).
2. The monitoring device for the safety of the front-end construction environment of the TBM as claimed in claim 1, wherein: the novel bearing cover is characterized in that a first flange plate is installed at the bottom of the outer side of the top cover bin (1), a second flange plate is installed at the top of the outer side of the bottom cover bin (3), and the first flange plate and the second flange plate are fixedly connected through fixing bolts.
3. The monitoring device for the safety of the TBM front-end construction environment, according to claim 1, is characterized in that: the utility model discloses a novel top cover storehouse, including top cover storehouse (1), the position department of top non-centre of a circle installs collar (10), the outside of collar (10) and the inboard of top cover storehouse (1) all are provided with the annular frame, and are provided with annular filter screen (9) on two sets of annular frames jointly, the even screw thread in bottom of annular filter screen (9) is provided with the set screw, annular filter screen (9) are through set screw and annular frame fixed connection.
4. The monitoring device for the safety of the TBM front-end construction environment, according to claim 1, is characterized in that: the sealing device is characterized in that an annular placing groove matched with a sealing cover (201) is formed in the non-circle center position of the top cover bin (1), screws are arranged at the edge position of the top of the sealing cover (201) in an even threaded mode, the sealing cover (201) is fixedly connected with the inner bottom of the annular placing groove through the screws, and a sealing ring is arranged at the edge position of the bottom of the sealing cover (201).
5. The monitoring device for the safety of the TBM front-end construction environment, according to claim 1, is characterized in that: the supporting frames are symmetrically installed at two ends of the bottom plate (5), and fixing holes are formed in the bottom of the outer side of each supporting frame.
6. The monitoring device for the safety of the front-end construction environment of the TBM as claimed in claim 1, wherein: the top of the cooling liquid bin (8) is provided with a liquid injection port, and the top of the liquid injection port is provided with an internal thread cover in a threaded manner.
7. The monitoring device for the safety of the TBM front-end construction environment, according to claim 1, is characterized in that: the middle position department at sealed lid (201) top has seted up the arc wall, and the inside of arc wall articulates there is the handle, and the outside of handle is provided with the antiskid cover.
8. The use method of the monitoring device for the safety of the front-end construction environment of the TBM as recited in claim 1 comprises the following steps:
before use, the two groups of devices are respectively and fixedly installed at the tops of the inner sides of the two groups of supporting shoes of the TBM through supporting frames, then, when the TBM advances for a certain distance, an ultrasonic detector (16) is controlled by a main control console on the TBM to emit ultrasonic waves to a construction environment at the front end of the TBM, after echo is received, signals are transmitted to a single chip microcomputer (13), and then, processed information is transmitted to the main control console on the TBM through the single chip microcomputer (13);
when the construction environment around the tunnel needs to be monitored, the servo motor (11) is controlled to drive the gear (12) to rotate, so that the bottom cover bin (3) and the top cover bin (1) rotate together at the top of the bottom plate (5) by a fixed angle, and the soil environment around the tunnel is monitored more accurately by the ultrasonic detector (16);
when the ultrasonic detector (16) and the single chip microcomputer (13) work, heat is generated, the fan (18) is controlled to rotate, the fan (18) is used for forcing air in a cavity between the top cover bin (1) and the bottom cover bin (3) to start flowing, the air with heat enters a plurality of groups of heat exchange tubes (17) after being filtered by the annular filter screen (9), the heat of the air in the heat exchange tubes (17) is absorbed by cooling liquid in the cooling liquid bin (8) in the process, then the air enters the cavity at the inner ring part of the cooling liquid bin (8), and water vapor in the air is absorbed by the drying bag (202);
fourthly, the fan (18) blows the air subjected to temperature reduction and dehumidification among the plurality of groups of cooling fins (704), the cooling fins (704) and the single chip microcomputer (13) are cooled by wind blowing, and finally the air with heat enters the heat exchange tube (17) again to form air circulation flow.
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