CN113587775A - Online monitoring device, monitoring system and monitoring method for power station boiler support and hanger - Google Patents
Online monitoring device, monitoring system and monitoring method for power station boiler support and hanger Download PDFInfo
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- CN113587775A CN113587775A CN202110998812.XA CN202110998812A CN113587775A CN 113587775 A CN113587775 A CN 113587775A CN 202110998812 A CN202110998812 A CN 202110998812A CN 113587775 A CN113587775 A CN 113587775A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
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Abstract
The invention discloses an on-line monitoring device, a monitoring system and a monitoring method for a boiler support and hanger frame of a power station, wherein a stay cord transmission mechanism is arranged, when a heavy object is hung at the lower end of a load connecting piece, a linkage frame on the load linkage mechanism rotates anticlockwise by taking a fixed shaft as a fulcrum under the action of gravity, at the moment, a rotating wheel can rotate under the action of a connecting rope and a rotating seat, a rotating rod rotates along with the rotating wheel when the rotating wheel rotates, so that a pointer can be driven to rotate, the displacement condition of the support and hanger frame can be clearly and simply judged by observing the position on a scale pointed by the pointer, a reset torsion spring is connected between the rotating seat and the rotating wheel, and after the rotating wheel rotates anticlockwise for a certain distance, the rotating wheel can generate a clockwise rotation reset force under the action of the reset torsion spring, so that the rotating wheel at the moment has the trend of clockwise rotation, this ensures that the pointer will automatically return to its original position when the weight suspended from the lower end of the load coupling is removed.
Description
Technical Field
The invention belongs to the technical field of support and hanger correlation, and particularly relates to an on-line monitoring device, a monitoring system and a monitoring method for a support and hanger of a power station boiler.
Background
So-called utility boilers are, in popular terms, boilers used by power plants to generate electricity. The general capacity is larger, the current main unit is 600MW, the current advanced is an ultra-supercritical boiler, and the capacity can reach 1000 MW. Utility boilers mainly have two types: pulverized coal furnaces and circulating fluidized bed boilers. These two types of boilers are the main types used in power stations today. The support and hanger frame is mainly used for steam-water pipelines or boiler equipment of a power plant, and thermal displacement and equipment devices thereof generated in the process of operation. The supporting and hanging frame can be mainly divided into four categories; a spring support hanger, a pipe support hanger, a root support hanger and an accessory support hanger. And calculating the working and thermal displacement requirements of the determined spring support and hanger according to the stress condition of the pipeline.
The prior support and hanger technology has the following problems: the existing support and hanger frame has certain defects in the application of actual production work of power station boiler equipment, wherein the constant force spring support and hanger frame in the support and hanger frame is designed according to a moment balance principle, and under allowable load displacement, the load moment and the spring moment are always kept balanced. When the pipeline and equipment supported by the constant-force spring support hanger are displaced, constant supporting force can be provided, and therefore additional stress cannot be brought to the pipeline equipment. In the course of the work of reality, power plant boiler and equipment normal operating back, need often observe a gallows displacement indicator's position and do the record, ensure the normal operating of a gallows and equipment, most gallows can only observe a gallows displacement indicator's position through the mode that the manual work was patrolled and examined at present, and numerical value observation is comparatively inconvenient, the work of a large amount of repeatability has been increased for the personnel of patrolling and examining, and because a gallows in the work is more, can not play timely supervision and alarming effect to the emergency, practicality and security performance are lower.
Disclosure of Invention
The invention aims to provide an on-line monitoring device, a monitoring system and a monitoring method for a boiler support hanger of a power station, which aim to solve the problems that most support hangers in the prior art can only observe the position of a support hanger displacement indicator in a manual inspection mode, numerical value observation is inconvenient, a large amount of repeated work is added for inspection personnel, and due to the fact that a plurality of support hangers are arranged in the work, the monitoring and alarming effects cannot be achieved in time for emergency situations.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a power plant boiler gallows on-line monitoring device, includes: the device comprises an outer frame, two positioning chutes and a load connecting piece for suspending equipment, wherein the two positioning chutes are arranged, the two positioning chutes are respectively arranged on the outer walls of the front end and the rear end of the outer frame, a load linkage mechanism for suspending the load connecting piece is arranged in the outer frame, a transmission mechanism matched with the load linkage mechanism is arranged at the right end of the outer frame, a pointer is arranged at the front side of the outer frame, a pull rope transmission mechanism for adjusting the pointer is arranged in the outer frame, scales corresponding to the pointer are distributed on the outer wall of the outer frame, a pull rope displacement sensor for pulling the pointer is fixed on the outer wall of the outer frame, and the pull rope displacement sensor is connected with the end part of the pointer through a telescopic pull rope; and a connecting rope is connected between the pull rope transmission mechanism and the load linkage mechanism.
Preferably, the load link gear includes the link gear and hangs the piece, hang the fixed cover of piece and locate link gear one end, load connecting piece upper end and hang a piece lower extreme fixed connection, link gear and hang the inside through connection of piece have with location spout matched with location slide bar, inside location spout was located to location slide bar sliding sleeve, the link gear other end rotates the cover and is equipped with the fixed axle, and fixed axle front and back end fixed connection respectively in frame front and back end inner wall.
Preferably, drive mechanism includes urceolus, sliding disk and is fixed in the fender ring of urceolus inner wall, the sliding disk sliding sleeve is located inside the urceolus, sliding disk and fender fixedly connected with coupling spring between the ring, the urceolus left side is equipped with the transmission piece of being connected with the linkage frame hub connection, fixedly connected with driving rope between transmission piece and the sliding disk.
Preferably, stay cord drive mechanism includes runner and bull stick, the bull stick is fixed in on the outer wall of runner, the bull stick front end runs through the frame front end outer wall and is connected with the pointer, and inside the frame was located to the bull stick rotation cover, be connected with the swivel mount of being connected with the runner rotation between runner and the frame rear end inner wall, swivel mount rear end fixed connection is in frame rear end inner wall, be connected with the reset torsion spring between swivel mount and the runner.
Preferably, a connecting rope is connected between the rotating wheel and the linkage frame.
The utility model provides a power plant boiler gallows on-line monitoring system, include power plant boiler gallows on-line monitoring device, still include: the controller comprises a user terminal, a controller, and an early warning device and a flash lamp which are arranged on the controller, wherein the output end of the stay cord displacement sensor is electrically connected to the input end of the controller and used for conveying a monitoring result to the controller, and the output end of the controller is electrically connected to the user terminal.
Preferably, the controller is fixed to the outer wall of the outer frame.
When a heavy object is hung at the lower end of the load connecting piece, the linkage frame of the load linkage mechanism rotates anticlockwise by taking the fixed shaft as a fulcrum under the action of gravity, at the moment, the rotating wheel can rotate under the pulling of the connecting rope, when the rotating wheel rotates, the rotating rod can rotate along with the rotating wheel so as to drive the pointer to rotate, the displacement condition of the support hanger can be clearly and conveniently judged by observing the position on the scale pointed by the pointer, the output end of the stay cord displacement sensor is electrically connected with the input end of the controller and used for conveying the monitoring result to the controller, the output end of the controller is electrically connected with the user terminal, so that a worker can grasp the working condition of the support hanger through the information received by the user terminal at any time, and when the displacement of the support hanger exceeds a preset value, the overlength can be stretched to last flexible stay cord of stay cord displacement sensor, and stay cord displacement sensor carries monitoring result to the controller after, and the controller can take place alarm sound through early warning device to utilize the flash light to flash, make things convenient for the staff to look for fast and discover this gallows position.
Compared with the prior art, the invention provides an on-line monitoring device and system for the boiler support hanger of the power station, which have the following beneficial effects:
according to the invention, the stay cord transmission mechanism is arranged, the connecting rope is connected between the rotating wheel and the linkage frame on the stay cord transmission mechanism, when a heavy object is hung at the lower end of the load connecting piece, the linkage frame on the load linkage mechanism rotates anticlockwise by taking the fixed shaft as a fulcrum under the action of gravity, at the moment, the rotating wheel can rotate under the action of the connecting rope and the rotating seat, and the rotating rod rotates along with the rotating wheel when the rotating wheel rotates, so that the pointer can be driven to rotate, and the displacement condition of the support hanger can be clearly, simply and conveniently judged by observing the position on the scale pointed by the pointer;
according to the invention, the reset torsion spring is connected between the rotary seat and the rotating wheel, and after the rotating wheel rotates anticlockwise for a certain distance, a clockwise rotation reset force is generated on the rotating wheel under the action of the reset torsion spring, so that the rotating wheel has a clockwise rotation trend, and thus, when a heavy object hung at the lower end of the load connecting piece is removed, the pointer can automatically return to the original position;
the controller and the stay cord displacement sensor are arranged on the outer wall of the outer frame, the output end of the stay cord displacement sensor is electrically connected to the input end of the controller and used for transmitting a monitoring result to the controller, the controller judges the displacement of the support hanger through the extension length of the telescopic stay cord, and the output end of the controller is electrically connected to the user terminal, so that a worker can master the working condition of the support hanger at any time through information received by the user terminal, and when the displacement of the support hanger exceeds a set value, the stay cord displacement sensor transmits the monitoring result to the controller, the controller can flash through a flash lamp while alarming sound is generated through the early warning device, and the worker can conveniently and quickly find the position of the support hanger.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic plan view of an on-line monitoring device and system for a boiler support hanger of a power station according to the present invention;
FIG. 2 is a schematic view of an internal structure of a utility boiler support hanger according to the present invention;
FIG. 3 is a schematic view of the structure of the load linkage mechanism according to the present invention;
FIG. 4 is a schematic diagram of a transmission mechanism according to the present invention;
FIG. 5 is a schematic structural diagram according to the present invention;
in the figure: 1. a pull rope displacement sensor; 101. a telescopic pull rope; 2. a load connection member; 3. a load linkage mechanism; 301. a hanging block; 302. positioning the slide bar; 303. a linkage frame; 304. a fixed shaft; 4. positioning the chute; 5. a pull rope transmission mechanism; 501. a rotating rod; 502. a rotating wheel; 503. a return torsion spring; 504. rotating; 6. a pointer; 7. calibration; 8. an outer frame; 9. a transmission mechanism; 901. an outer cylinder; 902. a sliding disk; 903. a connecting spring; 904. a drive rope; 905. a baffle ring; 906. a transmission block; 10. a controller; 1001. an early warning device; 1002. a flash lamp; 11. and connecting ropes.
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.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a power station boiler gallows on-line monitoring device and system, includes: the device comprises an outer frame 8, two positioning chutes 4 and a load connecting piece 2 for suspending equipment, wherein the two positioning chutes 4 are arranged, the two positioning chutes 4 are respectively arranged on the outer walls of the front end and the rear end of the outer frame 8, a load linkage mechanism 3 for suspending the load connecting piece 2 is arranged in the outer frame 8, a transmission mechanism 9 matched with the load linkage mechanism 3 is arranged at the right end of the outer frame 8, a pointer 6 is arranged at the front side of the outer frame 8, a pull rope transmission mechanism 5 for adjusting the pointer 6 is arranged in the outer frame 8, scales 7 corresponding to the pointer 6 are distributed on the outer wall of the outer frame 8, the displacement condition of a supporting and hanging frame is judged by observing the position on the scale 7 pointed by the pointer 6, a pull rope displacement sensor 1 for pulling the pointer 6 is fixed on the outer wall of the outer frame 8, the pull rope displacement sensor 1 is connected with the end part of the pointer 6 through a telescopic pull rope 101, and when the pointer 6 rotates anticlockwise, the retractable cord 101 is pulled, and the cord displacement sensor 1 converts the mechanical movement length generated by the retractable cord 101 into an electrical signal that can be measured and transmitted to the controller 10.
The load linkage mechanism 3 comprises a linkage frame 303 and a hanging block 301, one end of the linkage frame 303 is fixedly sleeved with the hanging block 301, the upper end of the load connecting piece 2 is fixedly connected with the lower end of the hanging block 301, the load connecting piece 2 is hung through the hanging block 301, a positioning sliding rod 302 matched with the positioning sliding groove 4 is connected inside the linkage frame 303 and the hanging block 301 in a penetrating mode, the positioning sliding rod 302 is slidably sleeved inside the positioning sliding groove 4, under the combined action of the positioning sliding rod 302 and the positioning sliding groove 4, the load linkage mechanism 3 can stably move inside the outer frame 8, a fixing shaft 304 is rotatably sleeved at the other end of the linkage frame 303, the front end and the rear end of the fixing shaft 304 are fixedly connected to the inner walls of the front end and the rear end of the outer frame 8 respectively, and under the action of the fixing shaft 304, the linkage frame 303 can rotate inside the outer frame 8 by taking the fixing shaft 304 as a fulcrum.
The transmission mechanism 9 comprises an outer cylinder 901, a sliding disc 902 and a baffle ring 905 fixed on the inner wall of the outer cylinder 901, the sliding disc 902 is slidably sleeved inside the outer cylinder 901, a connecting spring 903 is fixedly connected between the sliding disc 902 and the baffle ring 905, a transmission block 906 connected with a shaft of the linkage frame 303 is arranged on the left side of the outer cylinder 901, a transmission rope 904 is fixedly connected between the transmission block 906 and the sliding disc 902, when a heavy object is hung at the lower end of the load connecting piece 2, the linkage frame 303 on the load linkage mechanism 3 rotates anticlockwise by taking the fixed shaft 304 as a fulcrum under the action of gravity, at the moment, the transmission block 906 is connected inside the linkage frame 303 through a shaft, so that the sliding disc 902 can be dragged to slide inside the outer cylinder 901 under the action of the transmission rope 904, and the sliding of the sliding disc 902 and the rotation of the linkage frame 303 can be restrained under the action of the elastic force of the connecting spring 903.
The pull rope transmission mechanism 5 comprises a rotating wheel 502 and a rotating rod 501, the rotating rod 501 is fixed on the outer wall of the rotating wheel 502, the front end of the rotating rod 501 penetrates through the outer wall of the front end of the outer frame 8 to be connected with the pointer 6, the rotating rod 501 is rotatably sleeved inside the outer frame 8, a swivel mount 504 rotatably connected with the rotating wheel 502 is connected between the rotating wheel 502 and the inner wall of the rear end of the outer frame 8, the rear end of the swivel mount 504 is fixedly connected with the inner wall of the rear end of the outer frame 8, the rotating wheel 502 can rotate under the action of the swivel mount 504, when the rotating wheel 502 rotates, the rotating rod 501 rotates along with the rotating wheel 502 to drive the pointer 6 to rotate, a reset torsion spring 503 is connected between the swivel mount 504 and the rotating wheel 502, after the rotating wheel 502 rotates for a certain distance anticlockwise, a clockwise rotation reset force can be generated on the rotating wheel 502 under the action of the reset torsion spring 503, so that the rotating wheel 502 has a clockwise rotation tendency, thus when the heavy object hung at the lower end of the load connector 2 is removed, the pointer 6 will automatically return to its original position.
The connection cord 11 is connected between the runner 502 and the yoke 303 so that the runner 502 can be pulled and rotated when the yoke 303 rotates counterclockwise about the fixed shaft 304 as a fulcrum.
The utility model provides a power plant boiler gallows on-line monitoring system, include power plant boiler gallows on-line monitoring device, still include: user terminal, controller 10 and set up early warning device 1001 and flash light 1002 on controller 10, controller 10 is fixed in 8 outer walls of frame, when a gallows displacement volume exceedes the setting value, stay cord displacement sensor 1 carries the monitoring result to controller 10 back, and controller 10 can take place warning sound through early warning device 1001, and utilize flash light 1002 to flash, makes things convenient for the staff to look for fast and discover this gallows position.
The output end of the pull rope displacement sensor 1 is electrically connected to the input end of the controller 10 and used for conveying the monitoring result to the controller 10, and the output end of the controller 10 is electrically connected to the user terminal, so that a worker can master the working condition of the support and hanger at any time through the information received by the user terminal.
The working principle and the using process of the invention are as follows: after the invention is installed, when the invention is used for working, when a heavy object is hung at the lower end of the load connecting piece 2, under the action of gravity, the linkage frame 303 of the load linkage mechanism 3 can rotate anticlockwise by taking the fixed shaft 304 as a fulcrum, at the moment, the rotating wheel 502 can rotate under the pulling of the connecting rope 11, when the rotating wheel 502 rotates, the rotating rod 501 can rotate along with the rotating wheel 502, so as to drive the pointer 6 to rotate, the displacement condition of the support frame can be clearly and simply judged by observing the position on the scale 7 pointed by the pointer 6, through the controller 10 arranged on the outer wall of the outer frame 8, the output end of the stay cord displacement sensor 1 is electrically connected with the input end of the controller 10 for conveying the monitoring result to the controller 10, the output end of the controller 10 is electrically connected with the user terminal, so that a worker can grasp the working condition of the support frame constantly through the information received by the user terminal, when a gallows displacement volume exceeded preset value, the overlength can be stretched to flexible stay cord 101 on the stay cord displacement sensor 1, and stay cord displacement sensor 1 carries monitoring result to controller 10 after, and controller 10 can take place warning sound through early warning device 1001 to utilize flash light 1002 to flash, make things convenient for the staff to look for fast and discover this gallows position.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 power plant boiler gallows on-line monitoring device which characterized in that includes: the device comprises an outer frame (8), two positioning chutes (4) and load connecting pieces (2) used for suspending equipment, wherein the two positioning chutes (4) are arranged on the outer walls of the front end and the rear end of the outer frame (8) respectively, a load linkage mechanism (3) for suspending the load connecting pieces (2) is arranged in the outer frame (8), a transmission mechanism (9) matched with the load linkage mechanism (3) is arranged at the right end of the outer frame (8), a pointer (6) is arranged on the front side of the outer frame (8), a pull rope transmission mechanism (5) for adjusting the pointer (6) is arranged in the outer frame (8), scales (7) corresponding to the pointer (6) are distributed on the outer wall of the outer frame (8), and a pull rope displacement sensor (1) for pulling the pointer (6) is fixed on the outer wall of the outer frame (8), the stay cord displacement sensor (1) is connected with the end part of the pointer (6) through a telescopic stay cord (101); and a connecting rope (11) is connected between the pull rope transmission mechanism (5) and the load linkage mechanism (3).
2. The utility boiler support and hanger online monitoring device of claim 1, characterized in that: load link gear (3) are including linkage frame (303) and hang piece (301), hang the fixed cover of piece (301) and locate linkage frame (303) one end, load connecting piece (2) upper end and hang piece (301) lower extreme fixed connection, linkage frame (303) and hang piece (301) inside through connection have with location spout (4) matched with location slide bar (302), location slide bar (302) slip cap is located inside location spout (4), linkage frame (303) other end rotates the cover and is equipped with fixed axle (304), and fixed axle (304) front and back end fixed connection respectively in frame (8) front and back end inner wall.
3. The utility boiler support and hanger online monitoring device of claim 2, characterized in that: the transmission mechanism (9) comprises an outer barrel (901), a sliding disc (902) and a retaining ring (905) fixed on the inner wall of the outer barrel (901), the sliding disc (902) is sleeved inside the outer barrel (901) in a sliding mode, a connecting spring (903) is fixedly connected between the sliding disc (902) and the retaining ring (905), a transmission block (906) connected with a shaft of a linkage frame (303) is arranged on the left side of the outer barrel (901), and a transmission rope (904) is fixedly connected between the transmission block (906) and the sliding disc (902).
4. The utility boiler support and hanger online monitoring device of claim 2, characterized in that: stay cord drive mechanism (5) include runner (502) and bull stick (501), bull stick (501) are fixed in on the outer wall of runner (502), bull stick (501) front end runs through frame (8) front end outer wall and is connected with pointer (6), and bull stick (501) rotate the cover and locate inside frame (8), be connected with swivel mount (504) of being connected with runner (502) rotation between runner (502) and frame (8) rear end inner wall, swivel mount (504) rear end fixed connection in frame (8) rear end inner wall, be connected with reset torsion spring (503) between swivel mount (504) and runner (502).
5. The utility boiler support and hanger online monitoring device of claim 4, characterized in that: and a connecting rope (11) is connected between the rotating wheel (502) and the linkage frame (303).
6. A utility boiler support and hanger online monitoring system, characterized by comprising the utility boiler support and hanger online monitoring device of any claim 1-5, further comprising: the monitoring system comprises a user terminal, a controller (10), and an early warning device (1001) and a flash lamp (1002) which are arranged on the controller (10), wherein the output end of the stay cord displacement sensor (1) is electrically connected to the input end of the controller (10) and used for conveying a monitoring result to the controller (10), and the output end of the controller (10) is electrically connected to the user terminal.
7. The utility boiler support and hanger online monitoring system of claim 6, characterized in that: the controller (10) is fixed on the outer wall of the outer frame (8).
8. The monitoring method of the on-line monitoring system of the utility boiler supports and hangers in claim 6 is characterized in that when the lower end of the load connecting piece (2) is hung with a heavy object, the linkage frame (303) of the load linkage mechanism (3) rotates counterclockwise around the fixed shaft (304) as a pivot under the action of gravity, at this time, the rotating wheel (502) can rotate under the pulling of the connecting rope (11), when the rotating wheel (502) rotates, the rotating rod (501) rotates along with the rotating wheel (502) to drive the pointer (6) to rotate, the displacement of the supports and hangers can be clearly and simply judged by observing the position on the scale (7) pointed by the pointer (6), the output end of the stay cord displacement sensor (1) is electrically connected to the input end of the controller (10) for transmitting the monitoring result to the controller (10), and the output end of the controller (10) is electrically connected to the user terminal, make the staff can master the behavior of a gallows constantly through the information that user terminal received like this, when a gallows displacement volume exceeded preset value, flexible stay cord (101) on stay cord displacement sensor (1) can stretch the overlength, stay cord displacement sensor (1) carry the monitoring result to controller (10) back, warning sound can take place through early warning device (1001) in controller (10), and utilize flash light (1002) to flash, make things convenient for the staff to look for fast and discover this gallows position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110998812.XA CN113587775A (en) | 2021-08-28 | 2021-08-28 | Online monitoring device, monitoring system and monitoring method for power station boiler support and hanger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110998812.XA CN113587775A (en) | 2021-08-28 | 2021-08-28 | Online monitoring device, monitoring system and monitoring method for power station boiler support and hanger |
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| CN113587775A true CN113587775A (en) | 2021-11-02 |
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| CN202110998812.XA Pending CN113587775A (en) | 2021-08-28 | 2021-08-28 | Online monitoring device, monitoring system and monitoring method for power station boiler support and hanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776892A (en) * | 2022-04-21 | 2022-07-22 | 深圳万茂环境建设发展有限公司 | Method and system for monitoring support and hanger for building electromechanical installation |
-
2021
- 2021-08-28 CN CN202110998812.XA patent/CN113587775A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776892A (en) * | 2022-04-21 | 2022-07-22 | 深圳万茂环境建设发展有限公司 | Method and system for monitoring support and hanger for building electromechanical installation |
| CN114776892B (en) * | 2022-04-21 | 2023-10-24 | 深圳万茂环境建设发展有限公司 | Support and hanger monitoring method and system for electromechanical installation of building |
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