CN221032951U - Remote automatic locking system for wind turbine blades - Google Patents
Remote automatic locking system for wind turbine blades Download PDFInfo
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- CN221032951U CN221032951U CN202322870016.5U CN202322870016U CN221032951U CN 221032951 U CN221032951 U CN 221032951U CN 202322870016 U CN202322870016 U CN 202322870016U CN 221032951 U CN221032951 U CN 221032951U
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- 238000010248 power generation Methods 0.000 description 2
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Abstract
The utility model discloses a remote automatic locking system for blades of a wind turbine generator, which comprises a self-locking mechanism, wherein the self-locking mechanism comprises a fixed base, the top of the fixed base is provided with a locking mechanism, the side surface of the locking mechanism is provided with a locking seat which is matched with the locking mechanism for use, the top of the fixed base is provided with a hydraulic driving mechanism which is used for driving the locking mechanism and corresponds to the locking mechanism, the blade lock control cabinet is used for controlling the self-locking mechanism and comprises a central control box and a shaft control box, a miniature circuit breaker, a switching power supply and a UPS are arranged in the central control box, and a PLC module and a relay are arranged in the shaft control box. The utility model not only improves the safety and reliability of the locking of the unit blades, but also has simple and convenient operation of the blade locking device, and can realize the convenient locking of the unit blades, thereby reducing the time cost of locking the unit blades, improving the locking efficiency, shortening the downtime and further increasing the benefit of a wind power plant.
Description
Technical Field
The utility model relates to the technical field of locking of wind turbine generator blades, in particular to a remote automatic locking system of wind turbine generator blades.
Background
Wind energy is a clean renewable energy source, and the energy accumulating quantity is huge, and the global wind power generation industry is rapidly developing. The MW level wind power generation equipment of current mainstream is the wind generating set of horizontal axis structure, for the safety avoidance blade runs oar when unit maintenance or strong wind condition, when needs locking blade, just needs blade locking device, along with wind generating set intelligent development, adopts artificial intelligence mode to improve the security and the demand of adaptability of unit. The automatic locking function of the remote intelligent blade of the unit is added, which is very necessary.
At present, most of blade locks adopt a mechanical locking mode, before unit maintenance or typhoon comes, operation and maintenance personnel enter a hub to install a mechanical locking device into the hub, lock a variable-pitch bearing, waste a large amount of manpower and have low efficiency.
Disclosure of utility model
The utility model aims to provide a remote automatic locking system for wind turbine blades, which not only improves the safety and reliability of locking the wind turbine blades, but also has the advantages that the blade locking device is simple and convenient to operate, and the convenient locking of the wind turbine blades can be realized, so that the time cost of locking the wind turbine blades is reduced, the locking efficiency is improved, and meanwhile, the downtime is shortened, so that the benefit of a wind farm is increased.
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
A remote automatic locking system for wind turbine blades, comprising:
The self-locking mechanism comprises a fixed base, a locking mechanism is arranged at the top of the fixed base, a locking seat matched with the locking mechanism is arranged on the side face of the locking mechanism, and a hydraulic driving mechanism for driving the locking mechanism is arranged at the top of the fixed base and corresponds to the locking mechanism;
The blade lock control cabinet is used for controlling the self-locking mechanism and comprises a central control box and a shaft control box, wherein a miniature circuit breaker, a switching power supply and a UPS are installed in the central control box, and a PLC module and a relay are installed in the shaft control box.
The remote automatic locking system for the wind turbine blades comprises the locking mechanism, wherein the locking mechanism comprises the installation sliding seat fixedly connected to the top of the fixed base, the installation sliding seat is connected with the sliding clamping rod in a sliding mode, and the side face of the locking seat corresponds to the position of the sliding clamping rod, and the clamping groove matched with the sliding clamping rod is formed in the position of the side face of the locking seat.
The remote automatic lock system for the wind turbine blades comprises the hydraulic driving mechanism, wherein the hydraulic driving mechanism comprises the mounting seat fixedly connected to the top of the fixed base, the side surface of the mounting seat is provided with the hydraulic cylinder for driving the sliding clamping rod, the output end of the hydraulic cylinder is fixedly connected with the side surface of the sliding clamping rod, and the top of the fixed base corresponds to the position of the hydraulic cylinder and is also provided with the hydraulic pump.
According to the remote automatic locking system for the wind turbine blades, the fixed base is fixedly arranged on the hub of the wind turbine, and the locking seat is fixedly arranged on the variable pitch bearing teeth of the wind turbine.
The remote automatic locking system for the wind turbine blades is characterized in that the PLC module is electrically connected with the hydraulic cylinder of the hydraulic driving mechanism.
According to the remote automatic locking system for the wind turbine blades, the electric leakage protector for safety protection is further arranged in the central control box;
The remote automatic lock system for the wind turbine generator blade, wherein the blade lock control cabinet further comprises a monitoring probe used for real-time monitoring of the main control box, the monitoring probe is installed in the central control box, and the monitoring probe is externally connected with a display screen.
The utility model has at least the following beneficial effects:
according to the utility model, a remote automatic locking system for the wind turbine blades is realized:
1. The HIM interface operation and the remote monitoring interface operation of the blade lock are realized by combining the self-locking mechanism with the blade lock control cabinet;
2. The self-locking mechanism adopts a hydraulic driving mode to extend and retract to drive the sliding clamping rod to move, and the sliding clamping rod is clamped into a clamping groove on the side surface of the locking seat to lock;
3. The hydraulic driving mechanism is driven by a hydraulic cylinder, the fan main control controls the hydraulic cylinder to drive the sliding clamping rod to act through a solenoid valve of the hydraulic station, the sliding clamping rod is provided with a position sensor, and a position detection signal is fed back;
4. The control system adopts a variable pitch system to supply power and control signals to the driving system through a control box, and the control box is connected with the main control system through a slip ring to realize remote control.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic diagram of a remote automatic locking mechanism for a wind turbine blade according to the present utility model;
FIG. 2 is a schematic diagram of a remote automatic locking system for wind turbine blades according to the present utility model.
Reference numerals illustrate:
1. a fixed base; 2. a locking mechanism; 3. a locking seat; 4. a hydraulic drive mechanism;
201. installing a sliding seat; 202. a sliding clamping rod; 203. a clamping groove;
401. a mounting base; 402. a hydraulic cylinder; 403. a hydraulic pump.
Detailed Description
The following detailed description of embodiments of the present application will be given with reference to the accompanying drawings and examples, by which the implementation process of how the present application can be applied to solve the technical problems and achieve the technical effects can be fully understood and implemented.
Referring to fig. 1 to 2, a remote automatic locking system for a wind turbine blade according to an embodiment of the present utility model includes: the blade lock control cabinet is used for controlling the self-locking mechanism;
Referring to fig. 1 to 2, the self-locking mechanism includes a fixed base 1, a locking mechanism 2 is mounted on the top of the fixed base 1, a locking seat 3 matched with the locking mechanism 2 is disposed on the side of the locking mechanism 2, and a hydraulic driving mechanism 4 for driving the locking mechanism 2 is mounted on the top of the fixed base 1 and corresponding to the locking mechanism 2;
Referring to fig. 1 to 2, a fixed base 1 is fixedly installed on a hub of a wind turbine, and a locking seat 3 is fixedly installed on a pitch bearing tooth of the wind turbine;
Referring to fig. 1 to 2, the locking mechanism 2 includes a mounting sliding seat 201 fixedly connected to the top of the fixed base 1, a sliding clamping rod 202 is slidably connected to the mounting sliding seat 201, and a clamping groove 203 matched with the sliding clamping rod 202 is formed on a side surface of the locking seat 3 and corresponds to the sliding clamping rod 202.
Referring to fig. 1 to 2, the hydraulic driving mechanism 4 includes a mounting seat 401 fixedly connected to the top of the fixed base 1, a hydraulic cylinder 402 for driving the sliding clamping rod 202 is mounted on a side surface of the mounting seat 401, an output end of the hydraulic cylinder 402 is fixedly connected to a side surface of the sliding clamping rod 202, and a hydraulic pump 403 is further mounted on the top of the fixed base 1 and corresponding to the position of the hydraulic cylinder 402;
Referring to fig. 1 to 2, the PLC module is electrically connected to a hydraulic cylinder 402 of the hydraulic driving mechanism 4;
Referring to fig. 1 to 2, the blade lock control cabinet includes a central control box and a shaft control box, wherein a miniature circuit breaker, a switching power supply and a UPS are installed in the central control box, and a PLC module and a relay are installed in the shaft control box;
By adopting the technical scheme, the blade automatic lock can be used for carrying out the blade automatic lock extension or retraction operation independently of a safety chain, is not influenced by the safety chain, can be used for carrying out locking operation on a tower foundation and a cabin through an HIM interface, can also be used for realizing the blade locking function by remotely monitoring the interface operation, greatly improves the level of intelligent operation and maintenance, reduces the workload of manual boarding locking, increases the safety of a unit, and improves the operation and maintenance efficiency to increase the generating capacity of the unit.
Referring to fig. 1 to 2, a leakage protector for safety protection is further installed inside the central control box;
Through adopting above-mentioned technical scheme, through setting up earth leakage protector, increased the security that the circuit used.
Referring to fig. 1 to 2, the blade lock control cabinet further includes a monitoring probe for real-time monitoring of the main control box, the monitoring probe is installed in the central control box, and the monitoring probe is externally connected with a display screen;
Through adopting above-mentioned technical scheme, can monitor the inside running state of control box in real time through setting up monitor probe, and through external display screen, the staff's of being convenient for observation and operation.
The working principle of the utility model is as follows:
Firstly, the fixed base 1 is fixedly arranged on a hub of a wind turbine, and the locking seat 3 is fixedly arranged at a position corresponding to the hub, so that when the wind turbine is required to be locked, the sliding clamping rod 202 is driven to move only through the hydraulic cylinder 402, and the sliding clamping rod 202 is clamped into the corresponding clamping groove 203, thereby realizing convenient self-locking of the wind turbine, and when the wind turbine is unlocked, the sliding clamping rod 202 is driven to move only through the reverse direction of the hydraulic cylinder 402, and the sliding clamping rod 202 is separated from the clamping of the clamping groove 203, thereby not only improving the safety and reliability of locking the blades of the wind turbine, but also ensuring that the blade locking device is easy and convenient to operate, and realizing convenient locking of the blades of the wind turbine, thereby reducing the time cost of locking the blades of the wind turbine, improving the locking efficiency, shortening the downtime, and further increasing the benefit of the wind farm.
While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept, either as a result of the foregoing teachings or as a result of the knowledge or skills of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (3)
1. A remote automatic locking system for a wind turbine blade, comprising:
The self-locking mechanism comprises a fixed base (1), a locking mechanism (2) is arranged at the top of the fixed base (1), a locking seat (3) which is matched with the locking mechanism (2) for use is arranged on the side face of the locking mechanism (2), and a hydraulic driving mechanism (4) which is used for driving the locking mechanism (2) is arranged at the top of the fixed base (1) and corresponds to the position of the locking mechanism (2);
the blade lock control cabinet is used for controlling the self-locking mechanism and comprises a central control box and a shaft control box, wherein a miniature circuit breaker, a switching power supply and a UPS are arranged in the central control box, and a PLC module and a relay are arranged in the shaft control box;
the locking mechanism (2) comprises a mounting sliding seat (201) fixedly connected to the top of the fixed base (1), a sliding clamping rod (202) is connected to the mounting sliding seat (201) in a sliding mode, and a clamping groove (203) matched with the sliding clamping rod (202) is formed in the side face of the locking seat (3) and corresponds to the position of the sliding clamping rod (202);
The hydraulic driving mechanism (4) comprises a mounting seat (401) fixedly connected to the top of the fixed base (1), a hydraulic cylinder (402) for driving the sliding clamping rod (202) is mounted on the side surface of the mounting seat (401), the output end of the hydraulic cylinder (402) is fixedly connected with the side surface of the sliding clamping rod (202), and a hydraulic pump (403) is mounted on the top of the fixed base (1) and at a position corresponding to the hydraulic cylinder (402);
The fixed base (1) is fixedly arranged on a hub of the wind turbine, and the locking seat (3) is fixedly arranged on a variable pitch bearing tooth of the wind turbine;
The PLC module is electrically connected with the hydraulic cylinder (402) of the hydraulic driving mechanism (4).
2. The remote automatic locking system for wind turbine blades according to claim 1, wherein: and the inner part of the central control box is also provided with a leakage protector for safety protection.
3. The remote automatic locking system for wind turbine blades according to claim 1, wherein: the blade lock control cabinet further comprises a monitoring probe used for real-time monitoring of the main control box, the monitoring probe is installed in the central control box, and a display screen is externally connected with the monitoring probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322870016.5U CN221032951U (en) | 2023-10-25 | 2023-10-25 | Remote automatic locking system for wind turbine blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322870016.5U CN221032951U (en) | 2023-10-25 | 2023-10-25 | Remote automatic locking system for wind turbine blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221032951U true CN221032951U (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322870016.5U Active CN221032951U (en) | 2023-10-25 | 2023-10-25 | Remote automatic locking system for wind turbine blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221032951U (en) |
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2023
- 2023-10-25 CN CN202322870016.5U patent/CN221032951U/en active Active
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