CN113074781A - Intelligent diagnosis method and intelligent diagnosis system for faults of rotating machinery - Google Patents
Intelligent diagnosis method and intelligent diagnosis system for faults of rotating machinery Download PDFInfo
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- CN113074781A CN113074781A CN202110345824.2A CN202110345824A CN113074781A CN 113074781 A CN113074781 A CN 113074781A CN 202110345824 A CN202110345824 A CN 202110345824A CN 113074781 A CN113074781 A CN 113074781A
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- fixedly connected
- rod
- intelligent diagnosis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
Abstract
The invention discloses an intelligent diagnosis method and an intelligent diagnosis system for faults of a rotary machine, which comprise an outer box, a rotating shaft, a connecting block and a rotary machine body, wherein the rotating shaft is arranged on one side of the rotary machine body, a second mounting block is arranged on one side of the rotary machine body, the connecting block is clamped on one side of the second mounting block, a fixing mechanism matched with the connecting block is arranged at the top of the second mounting block, two connecting columns are fixedly connected to one side of the connecting block, one end of each connecting column is fixedly connected with the outer box, and a first fixing block is arranged on one side, close to the rotary machine body, in the outer box, the invention has the beneficial effects that: through having added No. two connecting rods, realized that No. two connecting rods drive No. two connecting plates and press pressure sensor and carry out skew fault diagnosis, through having added contact speed sensor, realized the rotational speed detection to the rotation axis, through having added infrared temperature sensor, realized infrared temperature sensor to the temperature real-time detection of rotation axis.
Description
Technical Field
The invention relates to the technical field of rotary machines, in particular to an intelligent diagnosis method and an intelligent diagnosis system for rotary machine faults.
Background
The blast furnace blower is a power machine which can collect part of atmosphere, increases air pressure through pressurization to form blast furnace with certain pressure and flow, and then carries out air pressure and air volume adjustment according to the requirements of the blast furnace condition and then conveys the blast furnace blower to the blast furnace.
Disclosure of Invention
The present invention is directed to a method and a system for intelligently diagnosing a fault of a rotating machine, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent diagnosis method and an intelligent diagnosis system for faults of a rotary machine comprise an outer box, a rotating shaft, a connecting block and a rotary machine body, wherein the rotating shaft is arranged on one side of the rotary machine body, a second mounting block is arranged on one side of the rotary machine body, the connecting block is clamped on one side of the second mounting block, a fixing mechanism matched with the connecting block is arranged at the top of the second mounting block, two connecting columns are fixedly connected on one side of the connecting block, an outer box is fixedly connected with one end of each connecting column, a first fixing block is arranged on one side, close to the rotary machine body, of the inner part of the outer box, a third detection mechanism is arranged inside the first fixing block, a second fixing block is arranged on one side, far away from the rotary machine body, of the first fixing block, a third fixing block is arranged on one side of the second fixing block, and a first detection mechanism is arranged inside, a through groove matched with the rotating shaft is formed in the outer box and the first fixing block and the second fixing block.
As a preferred embodiment of the present invention: the first detection mechanism comprises a first connecting plate, a fourth fixing block is arranged inside the third fixing block, a second through groove matched with the rotating shaft is formed inside the fourth fixing block, four first connecting plates are slidably connected inside the fourth fixing block, a first connecting rod is fixedly connected inside the first connecting plate and is slidably connected with the second through groove, one end of the first connecting rod is fixedly connected with a baffle matched with the second through groove, a spring is sleeved outside the first connecting rod, the first connecting rod is slidably connected with the third fixing block, four working boxes are arranged inside the third fixing block, the first connecting rod is slidably connected with the working boxes, a second detection mechanism is arranged inside two working boxes, the first connecting rod is connected with the second detection mechanism, and a third connecting plate is slidably connected inside the other two working boxes, and the first connecting rod is fixedly connected with the third connecting plate.
As a preferred embodiment of the present invention: no. two detection mechanism include the connecting plate No. two, the inside sliding connection of work box has the connecting plate No. two, the connecting rod No. two of one side fixedly connected with of connecting plate No. two, connecting rod and connecting rod fixed connection No. two, the inside sliding connection of No. two connecting plates has two slide bars, and slide bar and work box fixed connection, the inside fixedly connected with fixed plate of work box, one side of fixed plate be equipped with connecting plate complex pressure sensor No. two.
As a preferred embodiment of the present invention: no. two detection mechanism include the connecting plate No. two, the inside sliding connection of work box has the connecting plate No. two, the connecting rod No. two of one side fixedly connected with of connecting plate No. two, connecting rod and connecting rod fixed connection No. two, the inside sliding connection of No. two connecting plates has two slide bars, and slide bar and work box fixed connection, the inside fixedly connected with fixed plate of work box, one side of fixed plate be equipped with connecting plate complex pressure sensor No. two.
As a preferred embodiment of the present invention: and a contact type rotating speed sensor matched with the rotating shaft is arranged in the second fixing block.
As a preferred embodiment of the present invention: no. two draw-in grooves of installing the piece have been seted up with connecting block complex one side, one side of connecting block is equipped with four mounting panels, No. three draw-in grooves of installing the piece complex have been seted up to the inside of draw-in groove.
As a preferred embodiment of the present invention: the fixed establishment includes No. four connecting plates, the inside sliding connection of No. two installation pieces has No. four connecting plates, the top of No. four connecting plates is rotated and is connected with a bolt, and a bolt and No. two installation piece threaded connection, No. two draw-in grooves have been seted up at the top of connecting block, the bottom of No. four connecting plates be equipped with No. two draw-in groove complex installation pieces, and an installation piece and a draw-in groove sliding connection.
As a preferred embodiment of the present invention: threaded holes are formed in the mounting plate, and a second bolt matched with the threaded holes is connected to the inner threads of the second mounting block.
As a preferred embodiment of the present invention: the top of outer container is equipped with the alarm, one side of connecting block is equipped with control panel, pressure sensor, electric telescopic handle, infrared temperature sensor, contact speed sensor and alarm all with control panel electric connection.
Compared with the prior art, the invention has the beneficial effects that: the invention has simple structure, novelty and strong practicability, realizes the offset fault of the rotating shaft by adding the baffle plate, drives the first connecting rod to move through the baffle plate, realizes the offset fault diagnosis by adding the second connecting rod and drives the second connecting plate to press the pressure sensor, realizes the rotating speed detection of the rotating shaft by adding the contact type rotating speed sensor, realizes the real-time temperature detection of the infrared temperature sensor on the rotating shaft by adding the infrared temperature sensor, realizes the fixation between the first mounting block and the second clamping groove by adding the fixing mechanism, realizes the primary fixation of the connecting block, realizes the fixation of the second bolt on the mounting plate through a threaded hole by adding the second bolt, and realizes the control device of the control panel by adding the control panel.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the mounting structure of the present invention;
FIG. 3 is a schematic view of the inner structure of the outer case of the present invention;
FIG. 4 is a schematic view of an internal structure of a first fixing block according to the present invention;
FIG. 5 is a schematic view of the internal structure of the second fixing block according to the present invention;
FIG. 6 is a schematic view of the internal structure of the third fixing block according to the present invention;
FIG. 7 is an enlarged view taken at A of FIG. 6 in accordance with the present invention;
FIG. 8 is an enlarged view of the invention at B in FIG. 2.
In the figure: 1. an outer box; 2. a first fixed block; 3. a second fixed block; 4. a third fixed block; 5. a first detection mechanism; 51. a first connecting rod; 52. a first connecting plate; 53. a spring; 54. a baffle plate; 6. a second detection mechanism; 61. a pressure sensor; 62. a second connecting plate; 63. a slide bar; 64. a second connecting rod; 65. a fixing plate; 7. a third detection mechanism; 71. an electric telescopic rod; 72. a rack; 73. a first rotating rod; 74. a gear; 75. an infrared temperature sensor; 76. a second rotating rod; 77. rotating the block; 8. a fixing mechanism; 81. a fourth connecting plate; 82. a first mounting block; 83. a first bolt; 9. a first card slot; 10. a second card slot; 11. a work box; 12. a third connecting plate; 13. a fourth fixed block; 14. a rotating shaft; 15. a first-order through groove; 16. a contact type rotational speed sensor; 17. a second mounting block; 18. mounting a plate; 19. a threaded hole; 20. a third card slot; 21. a second bolt; 22. a control panel; 23. connecting blocks; 24. connecting columns; 25. a rotating machine body; 26. a second through groove; 27. an alarm.
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. 1-8, the present invention provides a technical solution: an intelligent diagnosis method and an intelligent diagnosis system for faults of a rotary machine comprise an outer box 1, a rotating shaft 14, a connecting block 23 and a rotary machine body 25, wherein the rotating shaft 14 is arranged on one side of the rotary machine body 25, a second mounting block 17 is arranged on one side of the rotary machine body 25, the connecting block 23 is clamped on one side of the second mounting block 17, a fixing mechanism 8 matched with the connecting block 23 is arranged at the top of the second mounting block 17, two connecting columns 24 are fixedly connected on one side of the connecting block 23, one ends of the two connecting columns 24 are fixedly connected with the outer box 1, a first fixing block 2 is arranged on one side, close to the rotary machine body 25, of the inner part of the outer box 1, a third detection mechanism 7 is arranged inside the first fixing block 2, a second fixing block 3 is arranged on one side, far away from the rotary machine body 25, a third fixing block 4 is arranged on one side of the second fixing block 3, and a first detection mechanism, the first through groove 15 of 14 complex of rotation axis is all seted up with the inside of outer container 1, No. 2 fixed block of a fixed block, No. 3 fixed block, and the rotation axis 14 of being convenient for passes a through groove 15 and thus detects, has improved failure diagnosis efficiency.
The first detection mechanism 5 comprises a first connecting plate 52, a fourth fixing block 13 is arranged inside the third fixing block 4, a second through groove 26 matched with the rotating shaft 14 is formed inside the fourth fixing block 13, four first connecting plates 52 are slidably connected inside the fourth fixing block 13, a first connecting rod 51 is fixedly connected inside the first connecting plate 52, the first connecting rod 51 is slidably connected with the second through groove 26, one end of the first connecting rod 51 is fixedly connected with a baffle 54 matched with the second through groove 26, a spring 53 is sleeved outside the first connecting rod 51, the first connecting rod 51 is slidably connected with the third fixing block 4, four working boxes 11 are arranged inside the third fixing block 4, the first connecting rod 51 is slidably connected with the working boxes 11, the second detection mechanism 6 is arranged inside two working boxes 11, the first connecting rod 51 is connected with the second detection mechanism 6, and a third connecting plate 12 is slidably connected inside the other two working boxes 11, and the first connecting rod 51 is fixedly connected with the third connecting plate 12, so that the baffle 54 drives the first connecting plate 52 to move and compress the spring 53 through the first connecting rod 51, the first connecting rod 51 drives the second detecting mechanism 6, the offset detecting efficiency is improved, the second detecting mechanism 6 comprises a second connecting plate 62, the inner part of the working box 11 is slidably connected with the second connecting plate 62, one side of the second connecting plate 62 is fixedly connected with a second connecting rod 64, the second connecting rod 64 is fixedly connected with the first connecting rod 51, the inner part of the second connecting plate 62 is slidably connected with two sliding rods 63, the sliding rods 63 are fixedly connected with the working box 11, the inner part of the working box 11 is fixedly connected with a fixing plate 65, one side of the fixing plate 65 is provided with a pressure sensor 61 matched with the second connecting plate 62, so that the second connecting plate 62 can press the pressure sensor 61, the detecting efficiency is improved, the third detecting mechanism 7 comprises a second rotating rod 76, the inside of the first fixed block 2 is rotatably connected with a second rotating rod 76, the outside of the second rotating rod 76 is fixedly connected with a rotating block 77, the bottom of the rotating block 77 is provided with an infrared temperature sensor 75 matched with the rotating shaft 14, the inside of the first fixed block 2 is rotatably connected with a first rotating rod 73, one end of the first rotating rod 73 is fixedly connected with the second rotating rod 76, the outside of the first rotating rod 73 is fixedly connected with a gear 74, the top of the first fixed block 2 is provided with an electric telescopic rod 71, the output end of the electric telescopic rod 71 is fixedly connected with a rack 72, the rack 72 is in sliding connection with the first fixed block 2, the gear 74 is meshed with the rack 72, the rack 72 conveniently drives the first rotating rod 73 to rotate through the gear 74, the first rotating rod 73 drives the rotating block 77 to rotate through the second rotating rod 76, the rotating block 77 drives the infrared temperature sensor 75 to adjust the position, the temperature detection efficiency is improved, the inside of the second fixed block 3 is provided with a contact type rotating speed sensor, the contact type rotating speed sensor 16 is convenient to detect the rotating speed of the rotating shaft 14, the working efficiency is improved, one side of the second mounting block 17 is provided with a first clamping groove 9 matched with the connecting block 23, one side of the connecting block 23 is provided with four mounting plates 18, a third clamping groove 20 matched with the mounting plates 18 is formed in the first clamping groove 9, the third clamping groove 20 is convenient to fix the mounting plates 18, the fixing efficiency is improved, the fixing mechanism 8 comprises a fourth connecting plate 81, the inner part of the second mounting block 17 is slidably connected with the fourth connecting plate 81, the top of the fourth connecting plate 81 is rotatably connected with a first bolt 83, the first bolt 83 is in threaded connection with the second mounting block 17, the top of the connecting block 23 is provided with a second clamping groove 10, the bottom of the fourth connecting plate 81 is provided with a first mounting block 82 matched with the second clamping groove 10, and the first mounting block 82 is slidably connected with the first clamping groove 9, no. 82 is convenient for fix connecting block 23 through No. two draw-in grooves 10, the convenience of connecting block 23 installation has been improved, threaded hole 19 is seted up to the inside of mounting panel 18, No. two internal thread of mounting block 17 is connected with No. two bolt 21 with threaded hole 19 complex, No. two bolt 21 of being convenient for fix mounting panel 18 through threaded hole 19, the fixed stability of connecting block 23 has been improved, the top of outer container 1 is equipped with alarm 27, one side of connecting block 23 is equipped with control panel 22, pressure sensor 61, electric telescopic handle 71, infrared temperature sensor 75, contact speed sensor 16 and alarm 27 all with control panel 22 electric connection, be convenient for control panel 22 carries out centralized control to the device, security performance and work efficiency have been improved.
Specifically, when the outer box 1 is sleeved outside the rotating shaft 14 through the first through groove 15, the connecting block 23 is aligned with the first clamping groove 9, the mounting plate 18 is aligned with the third clamping groove 20, the mounting plate 18 enters the third clamping groove 20, when the second clamping groove 10 reaches the position of the first mounting block 82, the first bolt 83 is rotated, the first bolt 83 drives the first mounting block 82 to enter the second clamping groove 10 through the fourth connecting plate 81, the connecting block 23 can be pre-tightened and fixed, the second bolt 21 is fixed with the mounting plate 18 through the threaded hole 19 by rotating the second bolt 21, the position of the connecting block 23 can be fixed, when the rotating machine operates, the rotating shaft 14 rotates, when the rotating shaft 14 rotates and deviates, the rotating shaft 14 touches the baffle 54, the baffle 54 drives the first connecting plate 52 to compress the spring 53 through the first connecting rod 51, the first connecting rod 51 drives the second connecting plate 62 to move upwards through the second connecting rod 64, the second connecting plate 62 presses the pressure sensor 61 on the fixing plate 65, the pressure sensor 61 is acted by force to display fault through the control panel 22 and send out alarm to the outside through the alarm 27, the fault is detected, the rotating shaft 14 drives the contact type rotating speed sensor 16 to rotate, the contact type rotating speed sensor 16 detects the rotating speed of the rotating shaft 14, when the rotating speed changes, the contact type rotating speed sensor 16 displays rotating speed fault through the control panel 22 and gives an alarm through the alarm 27, by starting the electric telescopic rod 71, the electric telescopic rod 71 drives the rack 72 to drive the gear 74 to rotate, the gear 74 drives the second rotating rod 76 to rotate through the first rotating rod 73, the second rotating rod 76 drives the infrared temperature sensor 75 to rotate through the rotating block 77 and adjusts the detection angle, the infrared temperature sensor 75 detects the temperature of the rotating shaft 14, when the temperature of the rotating shaft 14 is higher, the infrared temperature sensor 75 displays a fault through the control panel 22 and gives an alarm through the alarm 27.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
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 (9)
1. An intelligent diagnosis method and an intelligent diagnosis system for faults of rotary machinery comprise an outer box (1), a rotating shaft (14), a connecting block (23) and a rotary machinery body (25), and are characterized in that the rotating shaft (14) is arranged on one side of the rotary machinery body (25), a second mounting block (17) is arranged on one side of the rotary machinery body (25), the connecting block (23) is clamped on one side of the second mounting block (17), a fixing mechanism (8) matched with the connecting block (23) is arranged at the top of the second mounting block (17), two connecting columns (24) are fixedly connected on one side of the connecting block (23), the outer box (1) is fixedly connected on one end of each connecting column (24), a first fixing block (2) is arranged on one side, close to the rotary machinery body (25), of the inner part of the first fixing block (2) is provided with a third detection mechanism (7), one side that rotating machinery body (25) was kept away from in a fixed block (2) is equipped with No. two fixed blocks (3), one side of No. two fixed blocks (3) is equipped with No. three fixed block (4), the inside of No. three fixed block (4) is equipped with detection mechanism (5), the inside of outer container (1), No. two fixed blocks (2) is all seted up and is led to groove (15) No. one with rotation axis (14) complex.
2. The intelligent diagnosis method and system for faults of rotating machinery according to claim 1, wherein: the first detection mechanism (5) comprises a first connecting plate (52), a fourth fixing block (13) is arranged inside the third fixing block (4), a second through groove (26) matched with the rotating shaft (14) is formed inside the fourth fixing block (13), four first connecting plates (52) are connected inside the fourth fixing block (13) in a sliding mode, a first connecting rod (51) is fixedly connected inside the first connecting plate (52), the first connecting rod (51) is connected with the second through groove (26) in a sliding mode, a baffle (54) matched with the second through groove (26) is fixedly connected to one end of the first connecting rod (51), a spring (53) is sleeved outside the first connecting rod (51), the first connecting rod (51) is connected with the third fixing block (4) in a sliding mode, four work boxes (11) are arranged inside the third fixing block (4), and a connecting rod (51) and a working box (11) are connected in a sliding manner, wherein two detection mechanisms (6) are arranged inside the working box (11), the connecting rod (51) is connected with the detection mechanisms (6), another two connecting plates (12) are connected inside the working box (11) in a sliding manner, and the connecting rod (51) is fixedly connected with the connecting plates (12).
3. The intelligent diagnosis method and system for faults of rotating machinery according to claim 2, wherein: no. two detection mechanism (6) are including No. two connecting plates (62), the inside sliding connection of work box (11) has No. two connecting plates (62), connecting rod (64) No. two of one side fixedly connected with of No. two connecting plates (62), connecting rod (64) and connecting rod (51) fixed connection No. two, the inside sliding connection of No. two connecting plates (62) has two slide bars (63), and slide bar (63) and work box (11) fixed connection, the inside fixedly connected with fixed plate (65) of work box (11), one side of fixed plate (65) be equipped with No. two connecting plates (62) complex pressure sensor (61).
4. The intelligent diagnosis method and system for faults of rotating machinery according to claim 3, wherein: the third detection mechanism (7) comprises a second rotating rod (76), the second rotating rod (76) is rotatably connected inside the first fixed block (2), the outer side of the second rotating rod (76) is fixedly connected with a rotating block (77), the bottom of the rotating block (77) is provided with an infrared temperature sensor (75) matched with the rotating shaft (14), a first rotating rod (73) is rotatably connected inside the first fixing block (2), one end of the first rotating rod (73) is fixedly connected with the second rotating rod (76), the outer side of the first rotating rod (73) is fixedly connected with a gear (74), an electric telescopic rod (71) is arranged at the top of the first fixing block (2), a rack (72) is fixedly connected with the output end of the electric telescopic rod (71), and the rack (72) is connected with the first fixing block (2) in a sliding manner, and the gear (74) is connected with the rack (72) in a meshing manner.
5. The intelligent diagnosis method and system for faults of rotating machinery according to claim 4, wherein: and a contact type rotating speed sensor (16) matched with the rotating shaft (14) is arranged in the second fixed block (3).
6. The intelligent diagnosis method and system for faults of rotating machinery according to claim 1, wherein: no. one side of No. two installation piece (17) is seted up with connecting block (23) complex draw-in groove (9), one side of connecting block (23) is equipped with four mounting panels (18), No. three draw-in grooves (20) with mounting panel (18) complex are seted up to the inside of draw-in groove (9).
7. The intelligent diagnosis method and system for faults of rotating machinery according to claim 6, wherein: fixed establishment (8) are including No. four connecting plates (81), the inside sliding connection of No. two installation pieces (17) has No. four connecting plates (81), the top of No. four connecting plates (81) is rotated and is connected with a bolt (83), and a bolt (83) and No. two installation pieces (17) threaded connection, No. two draw-in grooves (10) have been seted up at the top of connecting block (23), the bottom of No. four connecting plates (81) is equipped with and installs piece (82) No. two draw-in grooves (10) complex, and installation piece (82) and draw-in groove (9) sliding connection.
8. The intelligent diagnosis method and system for faults of rotating machinery according to claim 6, wherein: threaded hole (19) are seted up to the inside of mounting panel (18), the inside threaded connection of No. two installation pieces (17) has No. two bolts (21) with threaded hole (19) complex.
9. The intelligent diagnosis method and system for faults of rotating machinery according to claim 5, wherein: the top of outer container (1) is equipped with alarm (27), one side of connecting block (23) is equipped with control panel (22), pressure sensor (61), electric telescopic handle (71), infrared temperature sensor (75), contact speed sensor (16) and alarm (27) all with control panel (22) electric connection.
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| CN202110345824.2A CN113074781A (en) | 2021-03-31 | 2021-03-31 | Intelligent diagnosis method and intelligent diagnosis system for faults of rotating machinery |
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| CN212557955U (en) * | 2020-05-24 | 2021-02-19 | 南京伟胜天成玻璃有限公司 | Glass production conveyer |
| CN212343564U (en) * | 2020-07-23 | 2021-01-12 | 深圳市踢踢电子有限公司 | Motor with rotating speed measuring device |
| CN112260071A (en) * | 2020-10-12 | 2021-01-22 | 林惠能 | Power equipment fault signal monitoring device and method |
| CN112377740A (en) * | 2020-11-10 | 2021-02-19 | 国网福建省电力有限公司漳州供电公司 | Intelligent substation clock synchronization control portable device |
| CN112504440A (en) * | 2020-12-10 | 2021-03-16 | 河南工学院 | Rotating machinery vibration on-line monitoring test device |
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