CN112146875A - Monitoring device for vertical mill gear box - Google Patents
Monitoring device for vertical mill gear box Download PDFInfo
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- CN112146875A CN112146875A CN202011096612.7A CN202011096612A CN112146875A CN 112146875 A CN112146875 A CN 112146875A CN 202011096612 A CN202011096612 A CN 202011096612A CN 112146875 A CN112146875 A CN 112146875A
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- assembly
- gear
- bearing seat
- vertical mill
- monitoring device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/028—Acoustic or vibration analysis
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- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a monitoring device for a vertical mill gear box, and belongs to the technical field of monitoring. The monitoring device of the vertical mill gear box comprises a box body, a bearing seat assembly, a gear ring assembly and a lubricating oil circuit, wherein the bearing seat assembly and the gear ring assembly are arranged in the box body; the metal particle detection sensor is used for detecting whether metal chips exist in the oil way or not. According to the monitoring device for the vertical mill gearbox, the vibration sensors arranged on the bearing seat assembly and the gear ring assembly and the metal particle sensor used for detecting metal chips in the oil circuit are combined, vibration data are collected and analyzed, the state of the gearbox is comprehensively judged, and when a fault occurs, related personnel can timely make a response scheme, so that unplanned production stop is avoided, risks are reduced, and loss is avoided.
Description
Technical Field
The invention relates to the technical field of monitoring, in particular to a monitoring device for a vertical mill gear box.
Background
In order to eliminate the potential risks caused by the damage of the internal structure of the gearbox, the gearbox needs to be subjected to vibration monitoring, related personnel usually only see one effective vibration value during routine inspection, and if the effective vibration value does not have a significant increasing trend, the gearbox is considered to be in a good state. When a bearing and a gear in the gearbox are damaged, the special damage information can be transmitted to the outer wall of the box body through a bearing seat in a vibration mode, and in the prior art, the outer wall of the box body is usually detected to judge the vibration condition; however, the outside of the box body is away from the bearing gear by a hollow distance, when information on damage of the bearing and the gear is transmitted to the outside of the box body, the damage information is greatly attenuated, and when the gear and the bearing have early faults, vibration characteristic information is weak, the interference on directly measuring the vibration outside the box body is large, the early fault information of the gear and the bearing is not easy to distinguish, potential risks exist, unplanned production halt can occur in serious cases, and great loss is caused.
Disclosure of Invention
The invention aims to provide a monitoring device for a vertical mill gear box, which has high monitoring precision, can judge the fault phenomenon of the vertical mill gear box more early and accurately, reduces the risk and avoids the loss.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a vertical mill gear box's monitoring devices, vertical mill gear box includes the box, installs bearing frame subassembly and ring gear subassembly in the box to and set up the lubricated oil circuit in the box inside, monitoring devices includes:
the vibration sensor assembly comprises a plurality of vibration sensors which are respectively arranged on the bearing seat assembly and the gear ring assembly;
and the metal particle detection sensor is used for detecting whether metal chips exist in the oil way or not.
Optionally, the vibration sensor assembly is adapted to detect radial vibrations of the bearing housing assembly and the ring gear assembly.
Optionally, the vertical mill gearbox comprises a first reduction gear assembly, a parallel-stage gear assembly and a first planetary gear assembly which are arranged in sequence, the bearing seat assembly comprises a first bearing seat for supporting parallel shafts of the parallel-stage gear assembly and a second bearing seat for supporting the first planetary gear assembly, the gear ring assembly comprises a first gear ring arranged on the first planetary gear assembly, and the vibration sensor assembly comprises vibration sensors respectively arranged on the first bearing seat, the second bearing seat and the first gear ring.
Optionally, the vertical mill gear box comprises a second reduction gear assembly and a second planetary gear assembly which are arranged in sequence, the bearing seat assembly comprises a third bearing seat for supporting the second reduction gear assembly and a fourth bearing seat for supporting the second planetary gear assembly, the gear ring assembly comprises a second gear ring arranged on the second planetary gear assembly, and the vibration sensor assembly comprises vibration sensors respectively arranged on the third bearing seat, the fourth bearing seat and the second gear ring.
Optionally, the second reduction gear assembly comprises a high speed shaft on which is disposed a bevel gear, the third bearing housing being for supporting the high speed shaft, and the third bearing housing being disposed adjacent the bevel gear.
Optionally, the vertical mill gear box comprises a third reduction gear assembly and a second-stage planetary gear assembly which are arranged in sequence, the bearing seat assembly comprises a fifth bearing seat for supporting the third reduction gear assembly and a sixth bearing seat for supporting the second-stage planetary gear assembly, the gear ring assembly comprises a third gear ring and a fourth gear ring which are arranged on the second-stage planetary gear assembly, and the vibration sensor assembly comprises vibration sensors which are respectively arranged on the fifth bearing seat, the sixth bearing seat, the third gear ring and the fourth gear ring.
Optionally, a clutch assembly is disposed in the box, and the vibration sensor assembly further includes a vibration sensor disposed on the clutch assembly.
Optionally, a metal particle detection sensor is provided in the oil passage.
Optionally, the metal particle detection sensor is disposed at an oil outlet of the oil passage.
Optionally, a filter is disposed on the oil passage, and the metal particle detection sensor is disposed upstream of the filter.
The invention has the beneficial effects that:
the monitoring device for the vertical mill gearbox, provided by the invention, combines the vibration sensors arranged on the bearing seat assembly and the gear ring assembly and the metal particle sensor for detecting metal chips in an oil circuit, collects and analyzes vibration data, comprehensively judges the state of the gearbox, and when a fault occurs, related personnel can timely make a response scheme, so that the occurrence of unplanned production halt is avoided, the risk is reduced, and the loss is avoided.
Drawings
FIG. 1 is a schematic structural diagram of a monitoring device for a vertical mill gearbox according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a monitoring device of a vertical mill gearbox according to a second embodiment of the invention;
fig. 3 is a schematic structural diagram of a monitoring device of a vertical mill gearbox according to a third embodiment of the invention.
In the figure:
1-a box body; 111-a first bearing seat; 112-a second bearing housing; 113-a first ring gear; 121-a third bearing seat; 122-fourth bearing seat; 123-a second gear ring; 124-a bevel gear; 131-a fifth bearing seat; 132-a sixth bearing housing; 133-third ring gear; 134-a fourth ring gear; 14-a clutch assembly;
2-a vibration sensor;
3-metal particle detection sensor.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the prior art, a vibration sensor is arranged on the outer wall of a box body of a vertical mill gear box to monitor the vibration of the internal structure of the box body so as to diagnose problems; however, a hollow distance exists between the internal structure of the box body and the outer wall of the box body, so that the interference is large, and effective information is difficult to feed back in time. In order to solve the above problems, the present embodiment provides a monitoring device for a vertical mill gear box, where the vertical mill gear box includes a box body 1, a bearing seat assembly and a gear ring assembly installed in the box body 1, and a lubricating oil path arranged inside the box body 1, and the monitoring device includes a vibration sensor assembly and a metal particle detection sensor 3, where the vibration sensor assembly includes a plurality of vibration sensors 2 respectively arranged on the bearing seat assembly and the gear ring assembly; the metal particle detection sensor 3 is used for detecting whether metal chips exist in the oil path.
When wear or damage occurs inside the gearbox, the vibration sensor assembly can be detected by the vibration sensors 2 arranged on the bearing block assembly and the ring gear assembly to determine the cause of the vibration problem. When parts such as gears or bearings in the gear box are slightly abraded or damaged, the influence of the parts on the whole vibration of the gear box is not obvious; however, as long as the wear or damage occurs, even slight wear or damage occurs, the metal particles are peeled off, the peeled metal particles flow along with the lubricating oil in the lubricating oil path, and the metal particle sensor judges whether the wear or damage occurs by detecting whether metal chips exist in the oil path; when the metal particle sensor detects the existence of metal chips, related personnel can be reminded of needing to perform detailed vibration analysis, so that the monitoring accuracy is improved, and the fault phenomenon can be judged earlier and more accurately; related personnel judge the specific position of the gear box which is worn or damaged according to the vibration sensors 2 arranged on the bearing seat assembly and the gear ring assembly, so that the fault information of the parts in the box body 1 can be more accurately monitored; through the vibration sensor 2 of the combination arrangement on bearing frame subassembly and ring gear subassembly and be used for detecting the metal particle sensor of metal fillings in the oil circuit, gather and analysis vibration data, synthesize the state of judging the gear box, when breaking down, relevant personnel can in time make the answer scheme, avoid appearing the unplanned shutdown, reduce the risk, avoid the loss.
Specifically, the vibration sensor assembly is coupled to the bearing housing assembly and the ring gear assembly via fasteners. Further specifically, can set up the mounting base on bearing frame subassembly and the ring gear subassembly, vibration sensor 2 passes through stud to be fixed on the mounting base, improves installation stability, avoids droing or influences the detection effect.
When the bearing or the gear ring is abraded, radial vibration mainly occurs, optionally, the vibration sensor assembly is used for detecting the radial vibration of the bearing seat assembly and the gear ring assembly, and the detection precision is improved; further alternatively, the vibration sensors 2 may be respectively disposed along a plurality of radial directions of the bearing housing assembly to improve detection accuracy, and preferably, two vibration sensors 2 may be vertically disposed on one bearing housing to obtain more accurate detection information through a minimum number of vibration sensors 2; similarly, the vibration sensors 2 are respectively arranged in a plurality of radial directions of the gear ring component so as to improve the detection precision, and the preferred scheme is to vertically arrange two vibration sensors 2 on one gear ring.
Optionally, according to the size of an oil outlet of an oil path of the gearbox, the metal particle detection sensor 3 is arranged in the oil path and is arranged at the corresponding position of the oil path according to detection requirements, detection is flexible, and installation is convenient.
Optionally, the metal particle detection sensor 3 is arranged at an oil outlet of the oil path to detect metal chips generated by abrasion in the whole box body 1, so that the detection range is improved, and of course, a plurality of metal particle detection sensors 3 can be arranged at different positions to improve the detection precision.
Optionally, be provided with the filter on the oil circuit, because the metal fillings flow along with the lubricating oil in the oil circuit, adsorb on the filter of lubricating oil station at last, metal particle detection sensor 3 sets up at the filter upper reaches to avoid the metal fillings of large granule to be filtered and unable the detection, improved and detected the precision.
Specifically, the metal particle detection sensor 3 mainly detects metal particle size in the lubricating oil, can monitor smaller metal chips, and the sensor has more excellent performance, and can be specifically selected according to specific requirements without limitation.
In order to avoid accidents caused by the failure of the clutch assembly 14, the vibration sensor 2 is arranged on the clutch assembly 14 so as to detect the abrasion condition of the clutch assembly 14, so that the clutch assembly 14 can be replaced as soon as possible, and the safety is improved.
The inside layout form that has multiple difference of 1 of box of vertical mill gear box, its bearing frame subassembly and ring gear subassembly have a difference, and to different structures, the corresponding adjustment needs to be done to the overall arrangement of vibration sensor subassembly to conveniently install the overall arrangement, and improve and detect the precision.
The vibration sensor 2 can select different types of vibration sensors 2 according to different monitoring positions (rotating mechanical frequency conversion size according to measured positions): the high-speed position can select a pass-frequency vibration acceleration sensor (the measurement range is 0.5-10000Hz), and the low-speed position can select a low-frequency acceleration sensor (the measurement range is 0.2-10000 Hz); the type of the vibration sensor 2 can be selected according to actual conditions so as to improve detection accuracy, and the selection of the specific type is not limited.
Example one
As shown in fig. 1, the vertical mill gear box comprises a first reduction gear assembly, a parallel-stage gear assembly and a first planetary gear assembly which are arranged in sequence; because the internal structure of the box body 1 is compact, the bearing seat of the first reduction gear assembly is arranged on the side wall of the box body 1, and the vibration sensor 2 is difficult to be arranged in the radial direction of the bearing seat, in order to facilitate the arrangement of the vibration sensor 2, the bearing seat assembly comprises a first bearing seat 111 for supporting the parallel shaft of the parallel-stage gear assembly, the vibration sensor assembly comprises the vibration sensor 2 arranged on the first bearing seat 111, the vibration condition of the parallel-stage gear assembly is detected, when the first reduction gear assembly is worn, the vibration of the first reduction gear assembly can be transmitted to the parallel-stage gear assembly, and therefore the vibration sensor 2 can simultaneously detect the first reduction gear assembly and the parallel-stage gear assembly; when the vibration sensor 2 detects a vibration signal, the first reduction gear assembly and the parallel-stage gear assembly need to be checked, so that the detection precision and the installation convenience are improved. In this embodiment, two ends of the parallel shaft are respectively provided with one first bearing seat 111, and each first bearing seat 111 is provided with the vibration sensor 2, so that the monitoring precision of the bearings at the two ends of the parallel shaft is improved.
The bearing seat assembly further comprises a second bearing seat 112 used for supporting the first planetary gear assembly, the gear ring assembly comprises a first gear ring 113 arranged on the first planetary gear assembly, and the vibration sensor assembly comprises vibration sensors 2 respectively arranged on the second bearing seat 112 and the first gear ring 113 so as to detect the vibration condition of the first planetary gear assembly, so that the detection precision and the installation convenience are improved.
Alternatively, the vibration sensor 2 on the first bearing housing 111 is a general-purpose acceleration vibration sensor 2. Alternatively, the vibration sensor 2 mounted on the second bearing housing 112 and the first ring gear 113 is a low-frequency acceleration vibration sensor 2.
Example two
As shown in fig. 2, the vertical mill gear box includes the second reduction gear assembly and the second planetary gear assembly that set gradually, and the bearing frame subassembly is including the third bearing frame 121 that is used for supporting the second reduction gear assembly, and the vibration sensor subassembly is including setting up the vibration sensor 2 on third bearing frame 121 to detect the vibration condition on third bearing frame 121 and then detect the bearing wearing and tearing condition of second reduction gear assembly, improved the detection precision to the bearing on third bearing frame 121. Optionally, the second reduction gear assembly includes a high-speed shaft, a bevel gear 124 is disposed on the high-speed shaft, the third bearing seat 121 is used for supporting the high-speed shaft, and the third bearing seat 121 is disposed near the bevel gear 124, since the bevel gear 124 is engaged for transmission, a bearing near one end of the bevel gear 124 is relatively stressed and is more easily worn, so that the detection accuracy can be improved when the vibration sensor 2 is disposed near one end of the bevel gear 124, and in addition, the third bearing seat 121 is disposed inside the box 1, so that the vibration sensor 2 can be protected from being damaged.
Similarly, the bearing block assembly further includes a fourth bearing block 122 for supporting the second planetary gear assembly, and the vibration sensor assembly includes a vibration sensor 2 disposed on the fourth bearing block 122 to detect a vibration condition of a bearing on the fourth bearing block 122;
the gear ring assembly comprises a second gear ring 123 arranged on the second planetary gear assembly, and the vibration sensor assembly comprises a vibration sensor 2 arranged on the second gear ring 123, so that the detection precision of the second gear ring 123 is improved. By detecting the bearing on the fourth bearing seat 122 and detecting the vibration of the second ring gear 123, the detection accuracy of the second planetary gear assembly is improved.
Optionally, the vibration sensor 2 on the third bearing seat 121 is a general-purpose acceleration vibration sensor 2. Alternatively, the vibration sensor 2 mounted on the fourth bearing seat 122 and the second ring gear 123 is a low-frequency acceleration vibration sensor 2.
EXAMPLE III
As shown in FIG. 3, the vertical mill gearbox comprises a third reduction gear assembly and a second-stage planetary gear assembly which are sequentially arranged, the bearing seat assembly comprises a fifth bearing seat 131 for supporting the third reduction gear assembly, the vibration sensor assembly comprises a vibration sensor 2 arranged on the fifth bearing seat 131, and the detection precision of a bearing on the fifth bearing seat 131 is improved.
In a similar manner, the bearing housing assembly further includes a sixth bearing housing 132 for supporting the secondary planetary gear assembly, and the vibration sensor assembly includes the vibration sensor 2 disposed on the sixth bearing housing 132, which improves the detection accuracy of the bearing on the sixth bearing housing 132.
The gear ring component comprises a third gear ring 133 and a fourth gear ring 134 which are arranged on the secondary planetary gear component, and the vibration sensor component comprises vibration sensors 2 which are respectively arranged on the third gear ring 133 and the fourth gear ring 134, so that the detection precision of the third gear ring 133 and the fourth gear ring 134 is improved; by detecting the vibration of the bearing on the sixth bearing housing 132, the third ring gear 133 and the fourth ring gear 134, the detection accuracy of the secondary planetary gear assembly is improved.
Alternatively, the vibration sensors 2 on the fifth bearing seat 131 and the third ring gear 133 are the universal type acceleration vibration sensor 2. Alternatively, the vibration sensor 2 mounted on the sixth bearing housing 132 and the fourth ring gear 134 is a low-frequency acceleration vibration sensor 2.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a vertical mill gear box's monitoring devices, vertical mill gear box includes box (1), installs bearing frame subassembly and ring gear subassembly in box (1), and set up the inside lubricated oil circuit of box (1), its characterized in that, monitoring devices includes:
the vibration sensor assembly comprises a plurality of vibration sensors (2) which are respectively arranged on the bearing seat assembly and the gear ring assembly;
and the metal particle detection sensor (3) is used for detecting whether metal chips exist in the oil way or not.
2. A monitoring device for a gearbox of a stand mill as claimed in claim 1, wherein the vibration sensor assembly is adapted to detect radial vibrations of the bearing block assembly and the ring gear assembly.
3. A monitoring device of a vertical mill gearbox according to claim 2, characterized in that the vertical mill gearbox comprises a first reduction gear assembly, a parallel stage gear assembly, a first planetary gear assembly arranged in sequence, the bearing seat assembly comprises a first bearing seat (111) for supporting parallel shafts of the parallel stage gear assembly, and a second bearing seat (112) for supporting the first planetary gear assembly, the gear ring assembly comprises a first gear ring (113) arranged on the first planetary gear assembly, and the vibration sensor assembly comprises the vibration sensor (2) arranged on the first bearing seat (111), the second bearing seat (112) and the first gear ring (113), respectively.
4. A monitoring device of a vertical mill gearbox according to claim 2, characterized in that the vertical mill gearbox comprises a second reduction gear assembly and a second planetary gear assembly arranged in sequence, the bearing block assembly comprises a third bearing block (121) for supporting the second reduction gear assembly and a fourth bearing block (122) for supporting the second planetary gear assembly, the ring gear assembly comprises a second ring gear (123) arranged on the second planetary gear assembly, and the vibration sensor assembly comprises the vibration sensor (2) arranged on the third bearing block (121), the fourth bearing block (122) and the second ring gear (123), respectively.
5. A monitoring device of a vertical mill gearbox according to claim 4, characterized in that the second reduction gear assembly comprises a high speed shaft on which a bevel gear (124) is arranged, the third bearing seat (121) is used to support the high speed shaft, and the third bearing seat (121) is arranged close to the bevel gear (124).
6. A monitoring device of a vertical mill gearbox according to claim 2, characterized in that the vertical mill gearbox comprises a third reduction gear assembly and a second-stage planetary gear assembly arranged in sequence, the bearing block assembly comprises a fifth bearing seat (131) for supporting the third reduction gear assembly and a sixth bearing seat (132) for supporting the second-stage planetary gear assembly, the ring gear assembly comprises a third ring gear (133) and a fourth ring gear (134) arranged on the second-stage planetary gear assembly, and the vibration sensor assembly comprises the vibration sensors (2) arranged on the fifth bearing seat (131), the sixth bearing seat (132), the third ring gear (133) and the fourth ring gear (134), respectively.
7. A monitoring device for a vertical mill gearbox according to any one of claims 1-6, characterized in that a clutch assembly (14) is arranged in the box body (1), and the vibration sensor assembly further comprises a vibration sensor (2) arranged on the clutch assembly (14).
8. A monitoring device for a gear box of a vertical mill according to any one of claims 1-6, characterized in that the metal particle detection sensor (3) is arranged in the oil circuit.
9. A monitoring device for a vertical mill gearbox according to any one of claims 1-6, characterized in that the metal particle detection sensor (3) is arranged at the oil outlet of the oil circuit.
10. A monitoring device for a gear box of a vertical mill according to any one of claims 1-6, characterized in that a filter is arranged on the oil path, and the metal particle detection sensor (3) is arranged upstream of the filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011096612.7A CN112146875A (en) | 2020-10-14 | 2020-10-14 | Monitoring device for vertical mill gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011096612.7A CN112146875A (en) | 2020-10-14 | 2020-10-14 | Monitoring device for vertical mill gear box |
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| Publication Number | Publication Date |
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| CN112146875A true CN112146875A (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011096612.7A Pending CN112146875A (en) | 2020-10-14 | 2020-10-14 | Monitoring device for vertical mill gear box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669214A (en) * | 2021-08-17 | 2021-11-19 | 德力佳传动科技(江苏)有限公司 | Method and system for detecting planet-level running state of wind power gear box and storage medium |
-
2020
- 2020-10-14 CN CN202011096612.7A patent/CN112146875A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669214A (en) * | 2021-08-17 | 2021-11-19 | 德力佳传动科技(江苏)有限公司 | Method and system for detecting planet-level running state of wind power gear box and storage medium |
| CN113669214B (en) * | 2021-08-17 | 2024-05-03 | 德力佳传动科技(江苏)有限公司 | Method, system and storage medium for detecting running state of planetary stage of wind power gear box |
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