CN220081605U - Main bearing with temperature measurement function and suitable for wind power generator - Google Patents
Main bearing with temperature measurement function and suitable for wind power generator Download PDFInfo
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- CN220081605U CN220081605U CN202321113945.5U CN202321113945U CN220081605U CN 220081605 U CN220081605 U CN 220081605U CN 202321113945 U CN202321113945 U CN 202321113945U CN 220081605 U CN220081605 U CN 220081605U
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- main bearing
- wind power
- bearing
- power generator
- temperature
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 16
- 239000000565 sealant Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000010248 power generation Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Abstract
The utility model discloses a main bearing with a temperature measurement function and suitable for a wind power generator, and relates to the technical field of wind power generators. The main bearing comprises a main bearing body, a temperature sensor is arranged in one oil filling hole of the main bearing body and used for sensing temperature information of the main bearing body, the temperature sensor is connected with a signal input end of a control module of the wind power generator, an alarm module is connected with a signal output end of the control module, and the control module is used for controlling the alarm module and the wind power generator to act according to information measured by the temperature sensor. The main bearing can monitor the temperature of the rotating shaft of the old type wind driven generator by arranging the temperature sensor in the oil filling hole, so that the situation that the subsequent maintenance cannot be performed due to the fact that the blade fan rotates to a position which cannot be disassembled and assembled after the damage caused by the overhigh temperature is prevented, and the safety and the stability of a wind power generation system are improved.
Description
Technical Field
The utility model relates to the technical field of wind driven generators, in particular to a main bearing with a temperature measurement function and suitable for a wind driven generator.
Background
At present, various wind driven generators are burnt out and can not be hoisted due to the fact that the temperature of a main shaft is too high, so that the complete machine is scrapped. When the impeller is hoisted by the golden wind 750 unit, the hanging belt can be hung on the impeller only by enabling the impeller to be Y-shaped, because the main shaft bearing seat cannot be turned after being burnt, if the impeller is not arranged in the Y-shaped direction, the hanging belt cannot be hung on the impeller, even if the main shaft bearing seat is cut, the hanging belt cannot be hoisted, and the situation can only be scrapped by the whole machine, so that the maintenance cost is increased.
Disclosure of Invention
The utility model aims to provide a main bearing of a wind power generator with a temperature monitoring function.
In order to solve the technical problems, the utility model adopts the following technical scheme: main bearing suitable for wind-powered electricity generation generator with temperature measurement function, including main bearing body, its characterized in that: a temperature sensor is arranged in one oil filling hole of the main bearing body and is used for sensing the temperature information of the main shaft, the temperature sensor is connected with the signal input end of the control module of the wind power generator, the alarm module is connected with the signal output end of the control module, and the control module is used for controlling the actions of the alarm module and the wind power generator according to information measured by the temperature sensor.
Preferably, the temperature sensor uses a PT100 sensor.
Preferably, the alarm module comprises an audible and visual alarm module and a remote alarm module.
Preferably, the temperature sensor is fixed in the oil filling hole through sealant.
Preferably, the control module uses a PLC control module.
The further technical proposal is that: the main bearing body is sleeved on the shaft rod, the shaft rod comprises a connecting flange positioned at the leftmost side, the connecting flange is used for connecting the shaft rod with the hub, a bearing installation position is formed on the right side of the connecting flange, the main bearing body is sleeved on the bearing installation position, an anti-loose locking nut thread is formed on the shaft rod at the right side of the bearing installation position, the anti-loose locking nut is fixed to a position with the anti-loose locking nut thread and used for preventing the main bearing body from loosening, a main shaft body is formed on the right side of the anti-loose locking nut thread, a connecting column used for being connected with a gear box planet carrier is formed on the right side of the main shaft body, and the diameters of the connecting flange, the bearing installation position, the main shaft body and the connecting column are gradually reduced.
The further technical proposal is that: the outside cover of main bearing body is equipped with the bearing frame, be formed with the support arm on the bearing frame, be formed with the connecting bolt hole on the support arm, the connecting bolt hole be used for with the connecting bolt cooperation will the bearing frame is installed on the cabin seat, the right side on the bearing frame is formed with the front end housing, the front end housing is fixed to through mutually supporting bolt and nut on the bearing frame.
The further technical proposal is that: and a transition part with gradually reduced diameter is formed between the connecting flange and the bearing installation position.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in: the main bearing can monitor the temperature of the rotating shaft of the old type wind driven generator by arranging the temperature sensor in the oil filling hole, so that the situation that the old type wind driven generator cannot be maintained later due to the fact that the blade fan rotates to a position which cannot be disassembled and assembled after the temperature is too high is prevented, the temperature of the old type bearing of the machine set is guaranteed to be monitored, and the blade fan can be actively stopped by the control system when the temperature is at dangerous temperature, so that the safety and stability of a wind power generation system are improved.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic illustration of a main bearing body according to an embodiment of the present utility model;
FIG. 2 is a schematic block diagram of an electrical appliance in which a temperature sensor is connected to a control module according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the structure of the shaft according to the embodiment of the present utility model;
wherein: 1. a main bearing body; 2. an oil filling hole; 3. a shaft lever; 4. a connecting flange; 5. bearing installation position; 6. anti-loosening female locking threads; 7. a main shaft body; 8. a connecting column; 9. a bearing seat; 10. a support arm; 11. a connecting bolt hole; 12. a front end cover.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
As shown in fig. 1 and fig. 2, the embodiment of the utility model discloses a main bearing with a temperature measuring function suitable for a wind power generator, which comprises a main bearing body 1, wherein a temperature sensor is arranged in an oil filling hole 2 of the main bearing body 1 and is used for sensing temperature information of the main bearing body 1. The temperature sensor is connected with a signal input end of a control module of the wind power generator, the alarm module is connected with a signal output end of the control module, and the control module is used for controlling the alarm module and the wind power generator to act according to information measured by the temperature sensor. Preferably, the alarm module comprises an audible and visual alarm module and a remote alarm module, wherein the remote alarm module is generally an information sending module and is used for sending alarm information to a remote terminal, so that relevant staff can timely know the alarm information and timely process the alarm information.
Aiming at the problem that the main shaft bearing is not monitored in temperature at present and possibly burnt out due to overheat, the temperature sensor can be installed at the main shaft bearing by utilizing the existing oil filling hole, the main shaft temperature is monitored by utilizing a PLC (control module) and is transmitted to a central monitoring and control panel, and an alarm signal can be read and sent out in real time in the central monitoring.
The main shaft bearing damage caused by improper maintenance or natural factors is effectively prevented, the temperature change of the main shaft bearing is monitored in real time, when an alarm value is reached, the main shaft bearing temperature high alarm can be sent out, at the moment, the attention of maintenance personnel can be brought to, when the main shaft temperature high fault value is reached, the machine set can be stopped, and the bearing is prevented from being burnt out due to continuous operation. The regular maintenance at ordinary times can also strengthen the fixed-point maintenance of the main shaft according to the temperature change condition of the main shaft bearing, and provide reliable data support for the regular maintenance
As shown in fig. 1, which is a schematic side view structure of a main bearing, a main bearing seat of a 750-unit is provided with two oil nozzles, one of the oil nozzles can be removed to form an oil filling hole, a PT100 type temperature sensor is installed in the oil filling hole and then connected to a control module (such as a SM331 module of a PLC), so that temperature monitoring of the main bearing can be realized.
According to the structure, no new machining is added at the spindle bearing, and a temperature sensor is additionally arranged by utilizing the existing conditions; only one PT100 sensor is additionally arranged on hardware, so that the temperature monitoring of the main shaft bearing is realized; the temperature of the main shaft bearing can be read in real time through the control panel at the bottom of the tower and the central control, so that the device has the advantages of simple structure and the like.
Table 1: the central monitoring can send out a main shaft bearing temperature high alarm signal
| Fault name | Time to failure | Failure temperature | Reset time | Reset value |
| High-temperature alarm for spindle | 5s | 80 | 10min | 70 |
| High spindle temperature failure | 5s | 100 | 10min | 80 |
Table 2: device name and function
| Sequence number | Name of the name | Quantity of | Description of the utility model |
| 1 | PT100 | 1 | Monitoring spindle temperature |
| 2 | Plane sealant | 1 | For fixing PT100 |
The main bearing can monitor the temperature of the rotating shaft of the old type wind driven generator by arranging the temperature sensor in the oil filling hole, so that the situation that the old type wind driven generator cannot be maintained later due to the fact that the blade fan rotates to a position which cannot be disassembled and assembled after the temperature is too high is prevented, the temperature of the old type bearing of the machine set is guaranteed to be monitored, and the blade fan can be actively stopped by the control system when the temperature is at dangerous temperature, so that the safety and stability of a wind power generation system are improved.
The main bearing body 1 is sleeved on the shaft lever 3, further, as shown in fig. 3, the shaft lever 3 comprises a connecting flange 4 positioned at the leftmost side, the connecting flange 4 is used for connecting the shaft lever 3 with a hub, a bearing installation position 5 is formed at the right side of the connecting flange 4, and a transition part with gradually reduced diameter is formed between the connecting flange 4 and the bearing installation position 5. The main bearing body 1 is sleeved on the bearing installation position 5, a locking nut thread 6 is formed on a shaft rod on the right side of the bearing installation position 5, the locking nut is fixed to a position with the locking nut thread 6 and used for preventing the main bearing body 1 from loosening, a main shaft body 7 is formed on the right side of the locking nut thread 6, a connecting column 8 used for being connected with a gear box planet carrier is formed on the right side of the main shaft body 7, and the diameters of the connecting flange 4, the bearing installation position 5, the main shaft body 7 and the connecting column 8 are gradually reduced.
The outside cover of main bearing body 1 is equipped with bearing frame 9, be formed with support arm 10 on the bearing frame 9, be formed with connecting bolt hole 11 on the support arm 10, connecting bolt hole 11 is used for with connecting bolt cooperation with the bearing frame 9 is installed on the cabin seat, the right side of bearing frame 9 is formed with front end housing 12, front end housing 12 is fixed to through mutually supporting bolt and nut on the bearing frame 9.
Claims (8)
1. Main bearing suitable for wind-powered electricity generation generator with temperature measurement function, including main bearing body (1), its characterized in that: the main bearing comprises a main bearing body (1), and is characterized in that a temperature sensor is arranged in one oil injection hole (2) of the main bearing body (1), the temperature sensor is used for sensing temperature information of the main bearing body (1), the temperature sensor is connected with a signal input end of a control module of the wind power generator, an alarm module is connected with a signal output end of the control module, and the control module is used for controlling the alarm module and the wind power generator to act according to information measured by the temperature sensor.
2. The main bearing with temperature measurement function suitable for a wind power generator as claimed in claim 1, wherein: the temperature sensor uses a PT100 sensor.
3. The main bearing with temperature measurement function suitable for a wind power generator as claimed in claim 1, wherein: the alarm module comprises an audible and visual alarm module and a remote alarm module.
4. The main bearing with temperature measurement function suitable for a wind power generator as claimed in claim 1, wherein: the temperature sensor is fixed in the oil filling hole through sealant.
5. The main bearing with temperature measurement function suitable for a wind power generator as claimed in claim 1, wherein: the control module uses a PLC control module.
6. The main bearing with temperature measurement function suitable for a wind power generator as claimed in claim 1, wherein: the main bearing body (1) is sleeved on the shaft rod (3), the shaft rod (3) comprises a connecting flange (4) positioned at the leftmost side, the connecting flange (4) is used for connecting the shaft rod (3) with a hub, a bearing installation position (5) is formed on the right side of the connecting flange (4), the main bearing body (1) is sleeved on the bearing installation position (5), an anti-loosening locking female thread (6) is formed on the shaft rod on the right side of the bearing installation position (5), the anti-loosening locking female thread (6) is fixed at a position, used for preventing the main bearing body (1) from loosening, a main shaft body (7) is formed on the right side of the anti-loosening locking female thread (6), a connecting column (8) used for being connected with a gear box planet carrier is formed on the right side of the main shaft body (7), and the diameters of the connecting flange (4), the bearing installation position (5), the main shaft body (7) and the connecting column (8) are gradually reduced.
7. The main bearing with temperature measurement function suitable for a wind power generator as claimed in claim 1, wherein: the outside cover of main bearing body (1) is equipped with bearing frame (9), be formed with support arm (10) on bearing frame (9), be formed with connecting bolt hole (11) on support arm (10), connecting bolt hole (11) are used for with connecting bolt cooperation will on the cabin seat is installed to bearing frame (9), the right side of bearing frame (9) is formed with front end housing (12), front end housing (12) are fixed to through mutually supporting bolt and nut on bearing frame (9).
8. The main bearing with temperature measurement function suitable for a wind power generator as claimed in claim 6, wherein: a transition part with gradually reduced diameter is formed between the connecting flange (4) and the bearing installation position (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321113945.5U CN220081605U (en) | 2023-05-10 | 2023-05-10 | Main bearing with temperature measurement function and suitable for wind power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321113945.5U CN220081605U (en) | 2023-05-10 | 2023-05-10 | Main bearing with temperature measurement function and suitable for wind power generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220081605U true CN220081605U (en) | 2023-11-24 |
Family
ID=88832973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321113945.5U Active CN220081605U (en) | 2023-05-10 | 2023-05-10 | Main bearing with temperature measurement function and suitable for wind power generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220081605U (en) |
-
2023
- 2023-05-10 CN CN202321113945.5U patent/CN220081605U/en active Active
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