CN114439857B - Grease discharging control method based on bearing revolution change - Google Patents
Grease discharging control method based on bearing revolution change Download PDFInfo
- Publication number
- CN114439857B CN114439857B CN202111543644.1A CN202111543644A CN114439857B CN 114439857 B CN114439857 B CN 114439857B CN 202111543644 A CN202111543644 A CN 202111543644A CN 114439857 B CN114439857 B CN 114439857B
- Authority
- CN
- China
- Prior art keywords
- grease
- bearing
- revolution
- revolution number
- discharging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6685—Details of collecting or draining, e.g. returning the liquid to a sump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N31/00—Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Lubricants (AREA)
Abstract
The invention belongs to the field of bearing grease discharging, and particularly relates to a grease discharging control method based on bearing revolution change, which comprises the following steps: s1: presetting target revolution number N of bearing for discharging waste lubricating grease 0 The method comprises the steps of carrying out a first treatment on the surface of the S2: collecting the current revolution number N of the bearing 1 And the current revolution number N is collected 1 Sending to a controller; s3: counting the current number of revolutions N 1 Subtracting the target rotation number N 0 Is n, the difference between n and n; if N is smaller than 0, jumping to step S2 to continue to collect the current revolution number N 1 The method comprises the steps of carrying out a first treatment on the surface of the If n is equal to 0, jumping to step S4; s4: starting a waste grease discharging mechanism to discharge waste grease in the bearing, and collecting the current revolution N by a revolution collector 1 Returning to 0, jumping to step S2. The discharge of the waste lubricating grease can be responded according to the change of the revolution of the bearing, the discharge mode of the lubricating grease based on the lubricating effect and the utilization rate of the lubricating grease is realized, the novel relation between the lubrication of the bearing and the improvement of the lubricating environment is adapted, and a novel method for high utilization rate of the lubricating grease is provided for equipment maintenance.
Description
Technical Field
The invention belongs to the field of bearing grease discharging, and particularly relates to a grease discharging control method based on bearing revolution change.
Background
Along with the development of equipment technology and the increase of labor cost, the equipment structure is more compact, the maintenance and the maintenance are carried out under the requirements of high reliability and low operation and maintenance cost, and the defects of bearing pollution failure and environmental pollution existing in the waste grease elimination mode become a great threat for the stable operation of the equipment. In general, the bearing is arranged in a relatively airtight space, and the grease is relatively difficult to drain through the oil drain pipe. Waste lubricating grease generated in the running process of the bearing is accumulated in the inner cavity of the outer cover of the bearing or in the lubricating chamber of the bearing, cannot be discharged in time, and can be cleaned only after equipment is overhauled or the outer cover of the bearing is replaced, so that the defects of heating, abnormal abrasion, breakage and the like of the bearing caused by a large accumulation of the waste lubricating grease at the lubricating part of the bearing are caused, and the service life of the bearing is shortened.
In the prior art, most of waste grease discharging devices are used for discharging regularly, and the actual sliding state of bearing lubrication and the loss degree of grease are not considered, so that the utilization rate of the bearing grease can be reduced, and the good lubrication of the bearing is not facilitated. Patent number CN201721315670.8 discloses an automatic collection system for waste grease of bearings, which controls the discharge of grease by setting a pressure sensor in a chamber of the bearing to detect the pressure in the chamber, and the mode can improve the utilization rate of grease, but has high processing and installation requirements for the bearings and is inconvenient to maintain.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the grease discharging control method based on the change of the bearing revolution, which can improve the utilization rate of the grease and is more convenient to maintain.
In the context of the present invention, the method comprises the steps of:
s1: the target revolution number N of the waste lubricating grease discharged by the bearing is preset on the controller 0 ；
S2: the current revolution number N of the bearing is acquired through a revolution number acquisition device 1 And the current revolution number N is collected 1 Sending to a controller;
s3: counting the current number of revolutions N 1 Subtracting the target rotation number N 0 Is n, the difference between n and n; if N is smaller than 0, jumping to step S2 to continue to collect the current revolution number N 1 The method comprises the steps of carrying out a first treatment on the surface of the If n is equal to 0, jumping to step S4;
s4: starting a waste grease discharging mechanism to discharge waste grease in the bearing, and collecting the current revolution N by a revolution collector 1 Returning to 0, jumping to step S2.
Still further, the step S1 further includes: the controller is preset with a bearing to reach the target revolution number N once 0 Target amount M of waste grease to be discharged later 0 。
Still further, the step S1 further includes: according to the single-time waste grease discharging amount of the waste grease discharging mechanism, presetting a target discharge amount M of the waste grease discharging mechanism 0 The number of times T of discharge required for the waste grease.
Still further, the step S4 further includes: the bearing achieves the target revolution at a timeN 0 Discharging the target amount M 0 After the waste lubricating grease, the number of times of grease discharging operation on the controller is increased by 1.
Further, in the step S2, the revolution number collector collects the current revolution number N of the bearing in real time 1 And real-time collecting the current revolution number N 1 And sending the data to a controller.
Further, in the step S2, the revolution number collector collects the current revolution number N of the bearing in real time 1 And the revolution number collector sends the current revolution number N once every interval time tis 1 To the controller.
Still further, the step S3 further includes: if n is greater than 0, jumping to step S5;
s5: starting the waste lubricating grease discharging mechanism of the bearing, discharging the waste lubricating grease, jumping to the step S2 by using the absolute value of N as a counting initial value, and continuing to perform the current revolution N of the bearing by using the revolution collector 1 Is a count of (a) of (b).
Furthermore, a chamber capable of containing lubricating grease is formed between the inner ring and the outer ring of the bearing, the waste lubricating grease discharging mechanism comprises a grease sucking and discharging device and a power device for driving the grease sucking and discharging device to suck and discharge, a grease sucking port of the grease sucking and discharging device is connected with the chamber, and the power device, the revolution collector and the controller are electrically connected.
Still further still include the target detection spare that follows the bearing and rotate, the detection end of revolution collector detects the target detection spare, and revolution count increases 1.
Still further, the revolution collector is a counting sensor, the detection end of the counting sensor comprises an infrared emission head and a receiving head, and the target detection piece is an infrared reflection block.
The invention has the beneficial effects that the discharge of the waste lubricating grease can respond according to the change of the revolution of the bearing, and the discharge mode of the lubricating grease based on the lubrication effect and the utilization rate of the lubricating grease is realized, so that the abnormal rise of the temperature of the bearing is reduced, and the good lubrication of the bearing is promoted. The invention establishes a better waste lubricating grease discharging mode of the bearing, better adapts to the novel relation between bearing lubrication and improvement of the lubrication environment, provides a novel high-utilization method of the lubricating grease for equipment maintenance and service, and is beneficial to reducing the equipment maintenance cost.
Drawings
Fig. 1 is a schematic diagram of a matching structure of a bearing and a rotational speed collector and waste grease discharging mechanism in the invention.
In the figure, 1-bearing; 11-an outer ring; 111-lipid drainage channels; 12-an inner ring; 13-chamber; 2-a liposuction device; 3-power means; 4-a controller; 5-revolution collector; 6-a grease storage tank; 7-rotating shaft.
Detailed Description
Example 1
The first embodiment provides a grease discharging control method based on the change of the bearing revolution, which includes the following steps:
s1: presetting a target revolution number N of the bearing 1 for discharging waste grease on the controller 4 0 The bearing 1 reaches the target revolution number N once 0 Target amount M of waste grease to be discharged later 0 The method comprises the steps of carrying out a first treatment on the surface of the Then presetting a discharge target amount M of the waste grease discharging mechanism according to the single-time waste grease discharging amount of the waste grease discharging mechanism 0 The number of times T of discharge required for the waste grease. A database for discharging waste grease is formed. Wherein the target revolution number N 0 By manual preset by the controller I/O device, e.g. N, according to different working tasks of the bearing 1 and in combination with practical experience 0 Setting 1000 turns; target amount M 0 Such as 12ml, is preset according to the type of the bearing 1 and the working task thereof.
S2: when the device is in operation, the current revolution number N of the bearing 1 is acquired in real time through the revolution number acquisition device 5 1 And the current revolution number N is collected 1 And sent in real time to the controller 4.
S3: counting the current number of revolutions N 1 Subtracting the target rotation number N 0 Is n, the difference between n and n; if N is smaller than 0, jumping to step S2 to continue to collect the current revolution number N 1 The method comprises the steps of carrying out a first treatment on the surface of the If n is equal to 0, jumping to step S4;
s4: starting the waste grease discharging mechanism, discharging the waste grease in the bearing 1, and collecting the revolution number by a collector 5Current revolution number N of collection 1 Returning to 0, jumping to step S2. Wherein when the bearing 1 reaches the target revolution N at a time 0 Then discharge the target M 0 After the waste grease, the number of the grease discharging operation on the controller 4 is increased by 1. The grease discharging operation times can be checked conveniently by operators, whether maintenance is carried out or not is judged through the grease discharging operation times, and the relation between the grease quantity and the revolution of the bearing can be established better through the relation between the grease discharging operation times and time.
As shown in fig. 1, a chamber 13 capable of containing grease is formed between an inner ring 12 and an outer ring 11 of a bearing 1, the waste grease discharging mechanism comprises a grease sucking and discharging device 2 and a power device 3 for driving the grease sucking and discharging device 2 to suck and discharge, a grease sucking port of the grease sucking and discharging device 2 is connected with the chamber 13, the power device 3 is specifically a hydraulic pump, and an oil outlet of the hydraulic pump is respectively connected with a power oil port of the grease sucking and discharging device 2 through two pipelines. The power device 3 and the revolution number collector 5 are electrically connected with the controller 4.
The invention also comprises a target detection piece which rotates along with the bearing 1, the revolution number collector 5 is fixedly arranged, the detection end of the revolution number collector 5 faces to the area where the target detection piece is arranged, and when the target detection piece rotates to be within the detection range of the detection end of the revolution number collector 5 in the rotation process of the bearing 1, the revolution number collected by the revolution number collector 5 is increased by 1. Preferably, the revolution collector 5 is a counting sensor, specifically a reflective infrared counting sensor, the detection end of the counting sensor includes an infrared emission head and a receiving head, and the target detection part is an infrared reflection block, namely a reflection part capable of reflecting infrared rays. The infrared rays emitted by the infrared emission head can be reflected to the receiving head through the infrared reflection block, and the specific principle is the same as that of a conventional reflection type infrared counting sensor, and the detailed description is omitted.
In a preferred embodiment of the present invention, the inner ring 12 is provided with a rotating shaft 7, and the target detecting member is disposed on the rotating shaft 7. In this embodiment, the revolution number collector 5 is fixed on the bearing 1 seat or other fixed seat through a fixed bracket, and the detection end of the revolution number collector 5 is arranged towards the rotating shaft 7.
The outer ring 11 of the bearing 1 is provided with a grease discharging channel 111 communicated with the cavity 13, and a grease sucking port of the grease sucking and discharging device 2 is connected with the grease discharging channel 111. By providing the grease discharging channel 111, the connection with the grease sucking port of the grease sucking and discharging device 2 is facilitated, and the discharge of waste grease is also facilitated.
In order to improve the fat discharging efficiency, the fat discharging channel 111 is provided with more than two, the fat sucking and discharging device 2 is correspondingly provided with more than two, and one fat sucking and discharging device 2 is connected to the single fat discharging channel 111. As shown in fig. 1, the oil outlet of the hydraulic pump is respectively connected with two power oil ports of the fat suction and discharge device 2 through two pipelines in sequence, namely, preferably more than two fat suction and discharge devices 2 are driven by one power device 3, so that the whole volume of the device can be reduced, and the energy is saved.
The invention also comprises a grease storage tank 6, wherein a grease discharging port of the grease sucking and discharging device 2 is connected with a grease discharging pipe, the grease discharging pipe is connected with the grease storage tank 6, and waste grease discharged by the grease sucking and discharging device 2 can be stored in the grease storage tank 6 so as to facilitate subsequent treatment.
The invention establishes a better waste lubricating grease discharging mode of the bearing, better adapts to the novel relation between bearing lubrication and improvement of lubrication environment, provides a novel lubricating grease high-utilization method for equipment maintenance and service, and is beneficial to reducing equipment maintenance cost compared with the traditional direct timing discharging mode. Meanwhile, compared with the mode of arranging the pressure sensor in the bearing, the invention has lower processing requirement on the bearing and is more convenient to maintain and maintain the bearing during use.
Example two
The second embodiment provides a grease discharging control method based on the change of the bearing revolution, which includes the following steps:
s1: the same as in embodiment one S1.
S2: the preset revolution number collector 5 sends the current revolution number N 1 The interval time tis to the controller 4,when the equipment is running, the revolution number collector 5 collects the current revolution number N of the bearing 1 in real time 1 And the revolution number collector 5 transmits the current revolution number N once every interval time tis 1 To the controller 4. The time tis is set manually according to different working tasks of the bearing 1 and combined with practical experience, such as 20 minutes.
S3: counting the current number of revolutions N 1 Subtracting the target rotation number N 0 Is n, the difference between n and n; if N is smaller than 0, jumping to step S2 to continue to collect the current revolution number N 1 The method comprises the steps of carrying out a first treatment on the surface of the If n is equal to 0, jumping to step S4; if n is greater than 0, the process proceeds to step S5.
S4: starting a waste grease discharging mechanism to discharge waste grease in the bearing 1, adding 1 to the number of grease discharging operations on the controller 4, and collecting the current revolution N by the revolution collector 5 1 Returning to 0, jumping to step S2. Wherein when the bearing 1 reaches the target revolution N at a time 0 Then discharge the target M 0 After the waste grease, the number of the grease discharging operation on the controller 4 is increased by 1.
S5: starting the waste grease discharging mechanism of the bearing 1, discharging the waste grease, jumping to the step S2 by taking the absolute value of N as the counting initial value by the revolution number collector 5, and continuing to carry out the current revolution number N of the bearing 1 1 Is a count of (a) of (b).
The rest of this embodiment is the same as that of the first embodiment.
Claims (6)
1. The grease discharging control method based on the change of the bearing revolution is characterized by comprising the following steps:
s1: the target revolution number N of the waste lubricating grease discharged by the bearing is preset on the controller 0 The controller is preset with a bearing to reach the target revolution number N once 0 Target amount M of waste grease to be discharged later 0 And presetting a discharge target amount M of the waste grease discharging mechanism according to the single-time waste grease discharging amount of the waste grease discharging mechanism 0 The number of times T of discharge required by the waste lubricating grease;
s2: the current revolution number N of the bearing is acquired through a revolution number acquisition device 1 And the current revolution number N is collected 1 Send toA controller;
s3: counting the current number of revolutions N 1 Subtracting the target rotation number N 0 Is n, the difference between n and n; if N is smaller than 0, jumping to step S2 to continue to collect the current revolution number N 1 The method comprises the steps of carrying out a first treatment on the surface of the If n is equal to 0, jumping to step S4; if n is greater than 0, jumping to step S5;
s4: starting a waste grease discharging mechanism to discharge waste grease in the bearing, and collecting the current revolution N by a revolution collector 1 Returning to 0, and jumping to the step S2; wherein the bearing singly reaches the target revolution number N 0 Discharging the target amount M 0 After the waste lubricating grease, adding 1 to the number of times of grease discharging operation on the controller;
s5: starting a waste grease discharging mechanism, discharging waste grease in the bearing, jumping to the step S2 by using the absolute value of N as a counting initial value, and continuing to perform the current revolution N of the bearing by using the revolution collector 1 Is a count of (a) of (b).
2. The grease discharging control method based on the variation of the revolution number of the bearing according to claim 1, wherein in the step S2, the revolution number collector collects the current revolution number N of the bearing in real time 1 And real-time collecting the current revolution number N 1 And sending the data to a controller.
3. The grease discharging control method based on the variation of the revolution number of the bearing according to claim 1, wherein in the step S2, the revolution number collector collects the current revolution number N of the bearing in real time 1 And the revolution number collector sends the current revolution number N once every interval time tis 1 To the controller.
4. The grease discharging control method based on the change of the rotation number of the bearing according to any one of claims 1 to 3, wherein a chamber capable of containing grease is formed between the inner ring and the outer ring of the bearing, the waste grease discharging mechanism comprises a grease sucking and discharging device and a power device for driving the grease sucking and discharging device to suck and discharge, a grease sucking port of the grease sucking and discharging device is connected with the chamber, and the power device and the rotation number collector are electrically connected with the controller.
5. The grease discharging control method based on the variation of the revolution number of the bearing according to claim 4, further comprising a target detecting member rotating with the bearing, wherein the revolution number count is incremented by 1 after the detecting end of the revolution number collector detects the target detecting member.
6. The grease discharging control method based on the change of the number of revolutions of the bearing according to claim 5, wherein the number of revolutions collector is a counting sensor, a detection end of the counting sensor includes an infrared emission head and a receiving head, and the target detection member is an infrared reflection block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111543644.1A CN114439857B (en) | 2021-12-16 | 2021-12-16 | Grease discharging control method based on bearing revolution change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111543644.1A CN114439857B (en) | 2021-12-16 | 2021-12-16 | Grease discharging control method based on bearing revolution change |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114439857A CN114439857A (en) | 2022-05-06 |
| CN114439857B true CN114439857B (en) | 2023-07-28 |
Family
ID=81364709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111543644.1A Active CN114439857B (en) | 2021-12-16 | 2021-12-16 | Grease discharging control method based on bearing revolution change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114439857B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10148299A (en) * | 1996-11-18 | 1998-06-02 | Hitachi Constr Mach Co Ltd | Automatic grease feeder |
| JP2004076938A (en) * | 2002-08-02 | 2004-03-11 | Nsk Ltd | Lubricating device and bearing device |
| JP2005282707A (en) * | 2004-03-29 | 2005-10-13 | Yaskawa Electric Corp | Grease resupply method and its device |
| JP2005331029A (en) * | 2004-05-19 | 2005-12-02 | Toyota Motor Corp | Lubricating device of bearing |
| DE102004044530A1 (en) * | 2004-09-15 | 2006-03-30 | Boge Kompressoren Otto Boge Gmbh & Co. Kg | Air compressor, has drive activated based on operation and/or condition of electric driving motor, such that ball bearings are supplied more grease during higher number of revolutions than during lower number of revolutions |
| DE102005057610A1 (en) * | 2005-12-02 | 2007-06-06 | Repower Systems Ag | Wind turbine, has plungers, grease tanks, T-pieces, mixing device and slider, which stay in connection with controller for receiving of control values that are determined from measured values in controller |
| CN103375489A (en) * | 2012-04-26 | 2013-10-30 | 株式会社捷太格特 | Grease supply system for rolling bearing |
| CN207420792U (en) * | 2017-11-25 | 2018-05-29 | 大唐三门峡风力发电有限公司 | Wind driven generation set main shaft lubricates and waste oil collection system |
| CN208441975U (en) * | 2018-05-10 | 2019-01-29 | 国华巴彦淖尔（乌拉特中旗）风电有限公司 | The Wind turbines for having pitch variable bearings degras recycling and centralized lubrication function |
| CN109312894A (en) * | 2016-06-15 | 2019-02-05 | 株式会社太阳 | Lubricating grease replacing options and lubricating grease suction unit |
| CN210319352U (en) * | 2019-08-09 | 2020-04-14 | 湘电风能有限公司 | Intelligent bearing lubricating and waste oil recycling system |
| CN112664566A (en) * | 2020-12-04 | 2021-04-16 | 国家电投集团广西兴安风电有限公司 | Bearing grease lubrication monitoring and determining method and system |
| CN113137349A (en) * | 2021-04-28 | 2021-07-20 | 上海电气风电集团股份有限公司 | Main bearing grease replacing method for fan drive chain |
-
2021
- 2021-12-16 CN CN202111543644.1A patent/CN114439857B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10148299A (en) * | 1996-11-18 | 1998-06-02 | Hitachi Constr Mach Co Ltd | Automatic grease feeder |
| JP2004076938A (en) * | 2002-08-02 | 2004-03-11 | Nsk Ltd | Lubricating device and bearing device |
| JP2005282707A (en) * | 2004-03-29 | 2005-10-13 | Yaskawa Electric Corp | Grease resupply method and its device |
| JP2005331029A (en) * | 2004-05-19 | 2005-12-02 | Toyota Motor Corp | Lubricating device of bearing |
| DE102004044530A1 (en) * | 2004-09-15 | 2006-03-30 | Boge Kompressoren Otto Boge Gmbh & Co. Kg | Air compressor, has drive activated based on operation and/or condition of electric driving motor, such that ball bearings are supplied more grease during higher number of revolutions than during lower number of revolutions |
| EP1801415A3 (en) * | 2005-12-02 | 2010-06-30 | REpower Systems AG | Wind turbine with regreasing device for the generator bearing |
| DE102005057610A1 (en) * | 2005-12-02 | 2007-06-06 | Repower Systems Ag | Wind turbine, has plungers, grease tanks, T-pieces, mixing device and slider, which stay in connection with controller for receiving of control values that are determined from measured values in controller |
| CN103375489A (en) * | 2012-04-26 | 2013-10-30 | 株式会社捷太格特 | Grease supply system for rolling bearing |
| CN109312894A (en) * | 2016-06-15 | 2019-02-05 | 株式会社太阳 | Lubricating grease replacing options and lubricating grease suction unit |
| CN207420792U (en) * | 2017-11-25 | 2018-05-29 | 大唐三门峡风力发电有限公司 | Wind driven generation set main shaft lubricates and waste oil collection system |
| CN208441975U (en) * | 2018-05-10 | 2019-01-29 | 国华巴彦淖尔（乌拉特中旗）风电有限公司 | The Wind turbines for having pitch variable bearings degras recycling and centralized lubrication function |
| CN210319352U (en) * | 2019-08-09 | 2020-04-14 | 湘电风能有限公司 | Intelligent bearing lubricating and waste oil recycling system |
| CN112664566A (en) * | 2020-12-04 | 2021-04-16 | 国家电投集团广西兴安风电有限公司 | Bearing grease lubrication monitoring and determining method and system |
| CN113137349A (en) * | 2021-04-28 | 2021-07-20 | 上海电气风电集团股份有限公司 | Main bearing grease replacing method for fan drive chain |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114439857A (en) | 2022-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103388734B (en) | A kind of lubricating fitting of the band rotation plate type oil separator for main equipment | |
| CN104047858B (en) | The in line intelligent unit of Roots's air and its operation control strategy | |
| WO2012019330A1 (en) | Control method for pitch bearing automatic-lubricating system used in wind power set | |
| CN114439857B (en) | Grease discharging control method based on bearing revolution change | |
| CN208441975U (en) | The Wind turbines for having pitch variable bearings degras recycling and centralized lubrication function | |
| WO2022111350A1 (en) | Roller automatic grease filling system and method | |
| CN108869205B (en) | Intelligent control system and method for automatic lubrication of generator bearing of wind turbine generator | |
| CN216666246U (en) | Bearing waste lubricating grease discharging device | |
| CN208687335U (en) | A kind of oiling station of lubricant housings | |
| CN208097472U (en) | A kind of full-automatic centrifugal type oil conditioner | |
| CN221373806U (en) | Automatic lubrication system of wind power main shaft | |
| CN113251003A (en) | Water inlet filtering, impurity removing and anti-blocking device for centrifugal water pump | |
| CN209569184U (en) | A kind of big flow air intake structure of magnetic suspension air blower | |
| CN209261786U (en) | The water pump group of the automatic diagnosis monitoring device of band | |
| CN208872663U (en) | A kind of power plant stack gas on-line monitoring system | |
| CN112525444A (en) | Gas stove pipeline cleaning and air tightness detection integrated system and working method thereof | |
| CN209762188U (en) | Metal wear particle sensor mounting structure for wind power gear box | |
| CN111642107A (en) | Reliable operation's CPE equipment convenient to adjust | |
| CN218817645U (en) | Cylindrical bearing roller with high wear resistance | |
| CN218030525U (en) | Efficient energy-saving air compressor | |
| CN216077989U (en) | Bearing lubricating grease discharging device | |
| CN109488622A (en) | A kind of big flow air intake structure of magnetic suspension air blower | |
| CN219224233U (en) | Lubricating oil sampling equipment | |
| CN211553463U (en) | Sampling processing apparatus of other chlorosilane in analysis trichlorosilane | |
| CN219120313U (en) | Waste oil recovery device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |