CN220336896U - Monitoring device for shield tunneling machine cutterhead abrasion - Google Patents
Monitoring device for shield tunneling machine cutterhead abrasion Download PDFInfo
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- CN220336896U CN220336896U CN202322356128.9U CN202322356128U CN220336896U CN 220336896 U CN220336896 U CN 220336896U CN 202322356128 U CN202322356128 U CN 202322356128U CN 220336896 U CN220336896 U CN 220336896U
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- cutterhead
- rotating roller
- conveying mechanism
- temperature
- temperature measuring
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 9
- 230000005641 tunneling Effects 0.000 title claims description 21
- 238000005299 abrasion Methods 0.000 title abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000005507 spraying Methods 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 4
- 239000011435 rock Substances 0.000 abstract description 38
- 239000002893 slag Substances 0.000 abstract description 28
- 239000000203 mixture Substances 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model relates to the technical field of shield machines, in particular to a monitoring device for the abrasion of a shield machine cutterhead, which comprises a shield machine body, a temperature measuring mechanism and a workstation, wherein a conveying mechanism is arranged on the shield machine body and can convey rock slag cut by the shield machine cutterhead backwards; the temperature measuring mechanism is arranged on the conveying mechanism and comprises a temperature measuring radar and N groups of infrared image acquisition units, the temperature in the region on the conveying mechanism can be detected through the temperature measuring radar, and the local temperature of the appointed position on the conveying mechanism can be acquired through the N groups of infrared image acquisition units; the interference of the environment can be avoided through the separate collection of the regional temperature and the local temperature, so that the temperature of the rock slag on the conveying mechanism can be accurately measured, and the abrasion condition of the cutter head can be judged through the collection of the temperature of the rock slag.
Description
Technical Field
The utility model relates to the technical field of shield machines, in particular to a monitoring device for wear of a cutter head of a shield machine.
Background
Along with the continuous development of economy and society, the demand of China for coal resources is increased; the shield tunneling machine is used as full-face tunneling equipment, has the characteristics of high automation degree, labor saving, high construction speed, small influence on a ground building and the like when in tunnel construction, and is gradually used in tunnel tunneling of mines. Particularly, in coal exploitation with a large tunneling distance and a large burial depth, the tunneling is performed by using the shield tunneling machine more safely and reliably, and the construction efficiency can be greatly improved.
When the shield machine works, the rock stratum is tunneled through the cutterhead arranged at the front end of the shield machine, and due to complex ingredients of the rock stratum, the existing shield machine is easy to cause abrasion of the cutterhead during tunnelling, and safety accidents are easy to occur if the cutterhead is not overhauled timely after the abrasion reaches a certain degree.
Disclosure of Invention
The utility model aims to solve at least one technical problem in the background art, and provides a monitoring device for the abrasion of a cutter head of a shield machine, which can detect the abrasion state of the cutter head in real time.
In order to achieve the above object, the present utility model provides a device for monitoring wear of a cutter head of a shield machine, comprising:
the shield machine body is provided with a conveying mechanism;
the temperature measuring mechanism comprises a temperature measuring radar and N groups of infrared image acquisition units, wherein the N groups of infrared image acquisition units are linearly arranged along the length direction of the conveying mechanism, and N is more than or equal to 1;
the system comprises a working station, wherein the working station is provided with a controller, a display and an operation platform, the controller is connected with an infrared image acquisition unit, a temperature measuring radar and a display in an electric signal mode, the controller displays acquired signals through the display, and the operation platform is used for controlling the working state of a shield tunneling machine body.
According to some embodiments of the utility model, each set of the infrared image acquisition units comprises a first infrared scanner and a second infrared scanner, which are arranged on both sides of the conveying mechanism, respectively.
According to some embodiments of the utility model, the conveying mechanism comprises a spiral lifter and a conveyor belt, the input end of the spiral lifter is connected with the discharge port of the cutterhead, the output end of the spiral lifter is connected with the input end of the conveyor belt, and the temperature measuring radar and one group of infrared image acquisition units are arranged at the output end of the spiral lifter.
According to some embodiments of the utility model, the conveyor belt comprises a frame, a first rotating roller, a second rotating roller and a belt, wherein the first rotating roller and the second rotating roller are arranged on the frame in a V shape, a plurality of groups of the first rotating roller and the second rotating roller are arranged along the length direction of the frame, and the belt is wound on the first rotating roller and the second rotating roller.
According to some embodiments of the utility model, a weight sensor is provided between the lower ends of the first and second rotating rollers and the frame.
According to some embodiments of the utility model, the temperature measuring mechanism further comprises a water spraying pipeline, the water spraying pipeline is arranged on the conveying belt along the length direction of the conveying mechanism, and a water spraying port is arranged at the position, close to the infrared image acquisition unit, of the water spraying pipeline.
According to some embodiments of the utility model, the controller is provided with a wireless module.
According to some embodiments of the utility model, the wireless module is a Wi-Fi module of 2.4GHz or 5 GHz.
According to some embodiments of the utility model, the operation platform is provided with a detection key.
According to some embodiments of the utility model, the device for monitoring wear of the cutter head of the shield tunneling machine further comprises a hall sensor, wherein the hall sensor is used for detecting the rotating speed of the cutter head.
According to the scheme of the utility model, the method has at least the following technical effects:
according to the scheme, the monitoring device for the abrasion of the cutter head of the shield machine comprises a shield machine body, a temperature measuring mechanism and a workstation, wherein the shield machine body is provided with a conveying mechanism which can convey rock slag cut by the cutter head of the shield machine backwards; the temperature measuring mechanism is arranged on the conveying mechanism and comprises a temperature measuring radar and N groups of infrared image acquisition units, the temperature in the region on the conveying mechanism can be detected through the temperature measuring radar, and the local temperature of the appointed position on the conveying mechanism can be acquired through the N groups of infrared image acquisition units; the interference of the environment can be avoided through the respective collection of the regional temperature and the local temperature, so that the temperature of the rock slag on the conveying mechanism can be accurately measured, and the abrasion condition of the cutter head can be judged through the collection of the temperature of the rock slag; the utility model is also provided with a work station, the work station is provided with a controller, a display and an operation platform, wherein the controller can receive signals of a temperature measuring radar and N groups of infrared image acquisition units, convert the signals into image information and then display the image information through the display, so that a worker can acquire temperature information of rock slag on a conveying mechanism in real time, and control the movement state of a cutter head of the shield machine through the operation platform.
Drawings
FIG. 1 is a schematic view of a shield tunneling machine body according to the present utility model;
FIG. 2 is a schematic view of the partial structure at A of FIG. 1 according to the present utility model
FIG. 3 is a schematic view of the partial structure of the present utility model at B of FIG. 1;
FIG. 4 is a schematic view of a conveyor belt of the present utility model;
reference numerals:
100-of a shield tunneling machine body, 110-of a spiral elevator, 120-of a conveyor belt, 121-of a frame, 122-of a first rotating roller, 123-of a second rotating roller, 124-of a belt and 125-of a weight sensor;
200-temperature measuring mechanism, 210-temperature measuring radar, 220-infrared image acquisition unit, 221-first infrared scanner, 222-second infrared scanner, 230-water spraying pipeline and 231-water spraying port;
300-workstation, 310-display, 320-operating platform.
Detailed Description
The present disclosure will now be discussed with reference to exemplary embodiments. It should be understood that the embodiments discussed are merely to enable those of ordinary skill in the art to better understand and thus practice the teachings of the present utility model and do not imply any limitation on the scope of the utility model.
As used herein, the term "comprising" and variants thereof are to be interpreted as meaning "including but not limited to" open-ended terms. The term "based on" is to be interpreted as "based at least in part on". The terms "one embodiment" and "an embodiment" are to be interpreted as "at least one embodiment.
Fig. 1 schematically shows a device for monitoring wear of a cutterhead of a shield machine according to an embodiment of the utility model. As shown in fig. 1 to 4, the utility model discloses a device for monitoring wear of a cutter head of a shield machine, which comprises a shield machine body 100, a temperature measuring mechanism 200 and a workstation 300, wherein a conveying mechanism is arranged on the shield machine body 100; the temperature measuring mechanism 200 comprises a temperature measuring radar 210 and N groups of infrared image acquisition units 220, wherein the N groups of infrared image acquisition units 220 are linearly arranged along the length direction of the conveying mechanism; the workstation 300 is provided with a controller, a display 310 and an operation platform 320, wherein the controller is electrically connected with the infrared image acquisition unit 220, the temperature measuring radar 210 and the display 310, the controller displays acquired signals through the display 310, and the operation platform 320 is used for controlling the working state of the shield tunneling machine body 100. Specifically, the conveying mechanism can convey the rock slag cut by the cutter head of the shield machine backwards; the temperature measuring mechanism 200 is arranged on the conveying mechanism, the temperature measuring mechanism 200 comprises a temperature measuring radar 210 and N groups of infrared image acquisition units 220, the temperature in the area on the conveying mechanism can be detected through the temperature measuring radar 210, and the local temperature of the appointed position on the conveying mechanism can be acquired through the N groups of infrared image acquisition units 220; in this embodiment, the infrared image capturing unit 220 is provided with only one set, and may be provided with a plurality of sets as needed. The interference of the environment can be avoided through the respective collection of the regional temperature and the local temperature, so that the temperature of the rock slag on the conveying mechanism can be accurately measured, and the abrasion condition of the cutter head can be judged through the collection of the temperature of the rock slag; specifically, when the cutterhead carries out tunneling operation on the rock stratum, the temperature of rock slag is generated by friction between the cutterhead and the rock stratum when the cutterhead works at a constant rotating speed, when the composition components of the rock stratum are not changed greatly, the temperature of the rock slag should not generate great fluctuation, and when the temperature curve of the rock slag is higher than a set temperature threshold range, the friction between the rock stratum and the cutterhead is larger, so that the abrasion condition of the cutterhead can be judged by judging parameters such as the composition of the rock slag, the temperature of the rock slag and the like. In this embodiment, a workstation 300 is further provided, where the workstation 300 is provided with a controller, a display 310 and an operation platform 320, where the controller can receive signals of the temperature measuring radar 210 and the N groups of infrared image acquisition units 220, convert the signals into image information, and display the image information through the display 310, so that a worker can acquire temperature information of rock slag on a conveying mechanism in real time, and control a movement state of a cutter head of the shield machine through the operation platform 320, specifically, when the composition and the temperature of the rock slag in a designated area are acquired through the infrared image acquisition unit 220, and when it is determined that the composition of the rock slag is unchanged, but the temperature is higher than a set temperature threshold, it is determined that the cutter head is worn and needs maintenance or repair; when the components of the rock slag are changed, judging whether the proportion of the components of the rock slag is within a corresponding temperature threshold value, if so, allowing the temperature to be changed; if not, the cutter head is judged to be worn. Through the design of this structure, can in real time, non-contact ground inspection shield constructs the wearing and tearing condition of machine knife dish to can in time carry out timely maintenance and maintenance to the knife dish, simultaneously through the temperature information of detecting the rock sediment and through workstation 300 control knife dish's rotational speed, can reduce the wearing and tearing of knife dish.
In some embodiments of the present utility model, each set of infrared image capturing units 220 includes a first infrared scanner 221 and a second infrared scanner 222, the first infrared scanner 221 and the second infrared scanner 222 being disposed on both sides of the conveying mechanism, respectively. Specifically, the wavelength detected by the first infrared scanner 221 in this embodiment is 1200nm; the wavelength detected by the second infrared scanner 222 is 1900nm; the temperature information of the interface of coal and rock can be obtained respectively through the difference of the wavelength detected by the first infrared scanner 221 and the second infrared scanner 222; and the distribution proportion of coal and rock can be obtained preliminarily. Through the design of this structure, can avoid different wavelength light to reflect simultaneously and form the unclear defect in interface, the temperature and the image information of gathering are more accurate.
In some embodiments of the present utility model, the conveying mechanism includes a screw lifter 110 and a conveyor belt 120, an input end of the screw lifter 110 is connected with a discharge port of the cutterhead, an output end of the screw lifter 110 is connected with an input end of the conveyor belt 120, and a temperature measuring radar 210 and a group of infrared image acquisition units 220 are disposed at the output end of the screw lifter 110. Specifically, when the cutterhead is operating on a formation, the rock slag is transported by the screw elevator 110 to the conveyor belt 120 and then to the ground by the conveyor belt 120. In this embodiment, the temperature measuring radar 210 and one of the infrared image acquisition units 220 are disposed at the output end of the spiral elevator 110, so that temperature information of the rock slag can be timely obtained through the design of the structure, and inaccurate temperature acquisition caused by the influence of external temperature on the temperature of the rock slag is avoided.
In some embodiments of the present utility model, the conveyor belt 120 includes a frame 121, a first rotating roller 122, a second rotating roller 123, and a belt 124, the first rotating roller 122 and the second rotating roller 123 are arranged on the frame 121 in a V-shape, and the first rotating roller 122 and the second rotating roller 123 are provided with a plurality of groups along a length direction of the frame 121, and the belt 124 is wound on the first rotating roller 122 and the second rotating roller 123. In the present embodiment, the conveying manner of the V-shaped conveyor belt 120 is adopted, the accommodation capacity of the conveyor belt 120 can be improved, and the leakage of the rock slag to both sides can be prevented.
In some embodiments of the present utility model, a weight sensor 125 is provided between the lower ends of the first and second rotating rollers 122 and 123 and the frame 121. Specifically, in this embodiment, the weight of the rock slag can be detected in real time by the weight sensor 125, and the distribution of the components of the rock slag on the conveying mechanism can be obtained by the infrared image acquisition unit 220, so that the material composition of the rock stratum can be determined by the weight and the distribution.
In some embodiments of the present utility model, the temperature measuring mechanism 200 further includes a water spraying pipe 230, the water spraying pipe 230 is disposed on the conveyor belt 120 along the length direction of the conveying mechanism, and the water spraying pipe 230 is provided with water spraying ports 231 near the near infrared image capturing unit 220. Specifically, in this embodiment, the shield tunneling machine body 100 is provided with a conveying mechanism, the temperature measuring mechanism 200 includes a temperature measuring radar 210, N groups of infrared image acquisition units 220 and a water spraying pipeline 230, the N groups of infrared image acquisition units 220 are linearly arranged along the length direction of the conveying mechanism, and the water spraying pipeline 230 can spray water through a water spraying port 231, so that the surface of rock slag is cleaned, and the temperature and the image information acquired by the infrared image acquisition units 220 are more accurate. In this embodiment, a temperature measuring radar 210 is further provided, and the temperature measuring radar 210 can obtain the ambient temperature in the area, so that inaccurate temperature measurement can be avoided.
In some embodiments of the utility model, the controller is provided with a wireless module. The wireless module is arranged to transmit information acquired by the temperature measuring mechanism 200 to the outside.
In some embodiments of the utility model, the wireless module is a Wi-Fi module of 2.4GHz or 5 GHz. In this embodiment, the Wi-Fi module of 2.4GHz or 5GHz has good penetrability, so that signal transmission during the operation of the shield machine body 100 is facilitated.
In some embodiments of the present utility model, a detection key is provided on the operation platform 320. By arranging the detection key, data acquisition can be performed on the rock slag intermittently, and the energy consumption of the temperature measuring mechanism 200 is reduced.
In some embodiments of the utility model, the device for monitoring wear of the cutterhead of the shield machine further comprises a hall sensor, wherein the hall sensor is used for detecting the rotating speed of the cutterhead. In the embodiment, the rotating speed of the cutterhead can be detected in real time through the Hall sensor, so that the rotating speed of the cutterhead can be regulated and controlled conveniently; in this embodiment, the hall sensor may be disposed on the rotating shaft of the cutterhead or may be disposed on the cutterhead.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the utility model, and that, although the utility model has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides a shield constructs monitoring devices of quick-witted blade disc wearing and tearing which characterized in that includes:
the shield machine body is provided with a conveying mechanism;
the temperature measuring mechanism comprises a temperature measuring radar and N groups of infrared image acquisition units, wherein the N groups of infrared image acquisition units are linearly arranged along the length direction of the conveying mechanism, and N is more than or equal to 1;
the system comprises a working station, wherein the working station is provided with a controller, a display and an operation platform, the controller is connected with an infrared image acquisition unit, a temperature measuring radar and a display in an electric signal mode, the controller displays acquired signals through the display, and the operation platform is used for controlling the working state of a shield tunneling machine body.
2. The shield tunneling machine cutterhead wear monitoring device of claim 1, wherein each set of infrared image acquisition units includes a first infrared scanner and a second infrared scanner, the first infrared scanner and the second infrared scanner being disposed on either side of the conveying mechanism, respectively.
3. The device for monitoring wear of a cutterhead of a shield tunneling machine according to claim 2, wherein the conveying mechanism comprises a spiral elevator and a conveyor belt, an input end of the spiral elevator is connected with a discharge port of the cutterhead, an output end of the spiral elevator is connected with an input end of the conveyor belt, and the temperature measuring radar and one group of infrared image acquisition units are arranged at an output end of the spiral elevator.
4. The device for monitoring wear of a cutterhead of a shield machine according to claim 3, wherein the conveyor belt comprises a frame, a first rotating roller, a second rotating roller and a belt, the first rotating roller and the second rotating roller are arranged on the frame in a V shape, a plurality of groups of the first rotating roller and the second rotating roller are arranged along the length direction of the frame, and the belt is wound on the first rotating roller and the second rotating roller.
5. The device for monitoring wear of a cutterhead of a shield machine according to claim 4, wherein a weight sensor is arranged between the lower ends of the first rotating roller and the second rotating roller and the frame.
6. The device for monitoring wear of a cutterhead of a shield tunneling machine according to claim 5, wherein the temperature measuring mechanism further comprises a water spraying pipeline, the water spraying pipeline is arranged on the conveyor belt along the length direction of the conveying mechanism, and a water spraying port is arranged at a position, close to the infrared image acquisition unit, of the water spraying pipeline.
7. The device for monitoring wear of a cutterhead of a shield machine according to claim 1, wherein the controller is provided with a wireless module.
8. The shield tunneling machine cutterhead wear monitoring device of claim 7, wherein the wireless module is a Wi-Fi module of 2.4GHz or 5 GHz.
9. The device for monitoring wear of a cutterhead of a shield machine according to claim 1, wherein a detection key is arranged on the operation platform.
10. The device for monitoring wear of a shield tunneling machine cutterhead according to claim 1, further comprising a hall sensor for detecting the rotational speed of the cutterhead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322356128.9U CN220336896U (en) | 2023-08-31 | 2023-08-31 | Monitoring device for shield tunneling machine cutterhead abrasion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322356128.9U CN220336896U (en) | 2023-08-31 | 2023-08-31 | Monitoring device for shield tunneling machine cutterhead abrasion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220336896U true CN220336896U (en) | 2024-01-12 |
Family
ID=89456292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322356128.9U Active CN220336896U (en) | 2023-08-31 | 2023-08-31 | Monitoring device for shield tunneling machine cutterhead abrasion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220336896U (en) |
-
2023
- 2023-08-31 CN CN202322356128.9U patent/CN220336896U/en active Active
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