Device for automatically filling lubricating oil into wind driven generator
By designing an automatic lubricating oil filling device for wind turbines, the problem of non-recyclable lubricating oil was solved, enabling the collection, filtration, and recycling of lubricating oil, reducing operating costs and environmental pollution, and ensuring the stable operation of the generator.
Patent Information
- Application Number
- CN202520507575.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-03-21
AI Technical Summary
Existing wind turbine bearing lubrication equipment cannot recycle lubricating oil, resulting in resource waste and environmental pollution, while also increasing operating costs.
Design a device for automatically adding lubricating oil to a wind turbine, including a collection and filtration mechanism. The device automatically adds lubricating oil by calculating the generator's operating time and alarms when the bearing temperature is abnormal, thereby realizing the collection, filtration, and recycling of lubricating oil.
It enables the recycling of lubricating oil, reduces resource waste and environmental pollution, lowers operating costs, and avoids bearing failure through automated control.
Smart Images

Figure CN223709284U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to generator oiling technical field, concretely relates to a wind driven generator automatic filling lubricating oil's device. BACKGROUND
[0002] With the increasing demand for renewable energy worldwide, the wind power industry has also ushered in unprecedented development opportunities. As the main equipment in the wind turbine equipment, generator bearing lubrication is the basic guarantee for the stable and efficient operation of the generator. The bearing is prone to mechanical failure such as shaft temperature rise, bearing scattering and even locking in a long-term oil shortage state.
[0003] And the existing equipment for injecting oil into the bearing cannot collect and filter the oil injected into the motor bearing for recycling, so that new oil needs to be used every time the motor bearing is lubricated, thereby increasing the operating cost of the enterprise; if the waste oil is directly discharged into the environment without treatment, it will pollute the soil and water; the waste oil still contains certain lubricating components and valuable substances, which will be wasted if not collected and filtered for recycling.
[0004] Based on this, the present application provides a kind of wind driven generator automatic filling lubricating oil's device, can eliminate the drawbacks of existing device. INVENTION CONTENTS
[0005] To solve the above problems, a kind of wind driven generator automatic filling lubricating oil's device is provided, which solves the problem of resource waste by collecting mechanism.
[0006] To solve the problems of the prior art, the utility model provides a kind of wind driven generator automatic filling lubricating oil's device, including base, oil drum and flow controller are equipped on the base, flow controller input end connects conveying pipe, conveying pipe other end communicates oil drum, flow controller output end connects flow controller, pressure pump is installed on the oil drum, pressure pump input end connects connecting pipe and its output end connects communicating pipe, communicating pipe other end connects pressure gauge input end, pressure gauge output end connects the oil conveying pipe for injecting oil into bearing, oil storage mechanism for collecting oil and filtering mechanism for filtering are equipped below the bearing, filtering mechanism is installed and fixed by mounting mechanism.
[0007] Preferably, the oil storage mechanism includes a collection box and an oil injection pipe, the oil drum is provided with a collection box, the side wall of the collection box is provided with an oil injection pipe communication, and the other end of the oil injection pipe is communicated with the side wall of the conveying pipe.
[0008] Preferably, the filtering mechanism includes sliding grooves, mounting frames, filter screens, handles and limit strips, the collecting box is provided with a collecting opening, the collecting opening is arranged below the bearing, the collecting opening is provided with penetrating sliding grooves, the sliding grooves are slidably provided with mounting frames, limit strips are arranged at middle positions of the mounting frames, filter screens are detachably mounted on both sides of the limit strips of the mounting frames, and handles are arranged on sides, away from the limit strips, of the filter screens.
[0009] Preferably, the mounting mechanism includes fixed plates, rotating knobs, lead screws and pushing blocks, the pushing blocks are arranged at both ends of the filter screens and slidably cooperate with the mounting frames, the sidewalls of the mounting frames are provided with the fixed plates, the fixed plates are rotatably provided with the lead screws, the fixed plates are internally provided with threads cooperating with the lead screws, one end of the lead screw, away from the filter screen, is provided with the rotating knob, and the other end of the lead screw is inserted into the pushing block and rotatably cooperates with the pushing block.
[0010] Preferably, the sidewalls of the rotating knobs are symmetrically provided with protruding connecting blocks.
[0011] The present application has the following beneficial effects compared with the prior art:
[0012] 1. The present application calculates the cumulative operation time of the generator through the generator operation signal, starts automatic lubricating oil filling when the operation time reaches the set time, clears the operation time automatically when the lubricating oil filling is completed, enters the next operation period, and sends an alarm signal through the temperature measuring device when the bearing temperature is abnormal, reminding the operation and maintenance personnel to check the abnormal condition.
[0013] 2. The present application can collect and filter the excess dripping oil through the setting of the collecting mechanism and the filtering mechanism, thereby saving resources and realizing recycling. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a kind of wind driven generator automatic lubricating oil filling device's three-dimensional structure schematic Figure 1 .
[0015] Figure 2 It is a kind of wind driven generator automatic lubricating oil filling device's three-dimensional structure schematic Figure 2 .
[0016] Figure 3 It is a kind of wind driven generator automatic lubricating oil filling device's partial three-dimensional structure schematic.
[0017] Figure 4 It is a kind of wind driven generator automatic lubricating oil filling device's Figure 3 Partial enlarged three-dimensional structure schematic view of A.
[0018] Figure 5It is a kind of wind power generator automatic filling lubricating oil device's schematic diagram.
[0019] The label in the figure is: 101, oil drum;102, base;103, flow controller;104, pressure pump;105, delivery pipe;106, connecting pipe;107, communication pipe;108, pressure gauge;109, oil delivery pipe;110, bearing;111, collection port;200, oil storage mechanism;201, collection box;202, oil filling pipe;300, filtering mechanism;301, sliding groove;302, mounting frame;303, filter screen;304, handle;305, limiting strip;400, mounting mechanism;401, fixed plate;402, rotating knob;403, screw;404, push block. DETAILED DESCRIPTION
[0020] In order to further understand the characteristics, technical means and specific purposes and functions achieved by the utility model, the utility model will be described in further detail below in combination with the drawings and specific embodiments.
[0021] Reference Figures 1-5 : A kind of wind power generator automatic filling lubricating oil device, including base 102, the base 102 is equipped with oil drum 101 and flow controller 103, the input end of flow controller 103 is connected with delivery pipe 105, the other end of delivery pipe 105 is communicated with oil drum 101, the output end of flow controller 103 is connected with connecting pipe (106), pressure pump 104 is installed on oil drum 101, the input end of pressure pump 104 is connected with connecting pipe 106 and its output end is connected with communication pipe 107, the other end of communication pipe 107 is connected with the input end of pressure gauge 108, the output end of pressure gauge 108 is connected with oil delivery pipe 109 for bearing 110 is filled with oil, the oil storage mechanism 200 for collecting oil and the filtering mechanism 300 for filtering are equipped with in the lower of bearing 110, the filtering mechanism 300 is installed and fixed by mounting mechanism 400.
[0022] The generator running signal is used to calculate the cumulative running time of the generator. When the running time reaches the set time, the automatic lubricating oil filling is started. When the lubricating oil filling is completed, the running time is automatically cleared, and the next running cycle is entered. When the bearing 110 temperature is abnormal, the temperature measuring device detects and sends an alarm signal to remind the operation and maintenance personnel to check the abnormal situation, so as to avoid the bearing 110 in the long-term oil shortage state, which is easy to cause the shaft temperature to rise, and cause the bearing 110 to be scattered or even locked. The oil storage mechanism 200 and the filtering mechanism 300 can collect and filter the remaining oil, realize cyclic use, and the installation mechanism 400 is used to facilitate the quick installation and disassembly of the filter screen 303, and improve the work efficiency. The lubricating oil is stored in the oil tank 101. When lubrication is needed, the pressure pump 104 is started to pump the lubricating oil out of the oil tank 101 and through the conveying pipe 105 to the flow controller 103. The flow controller 103 adjusts the flow of the lubricating oil according to the actual needs, and then the lubricating oil enters the communication pipe 107 through the connecting pipe 106. In the communication pipe 107, the pressure of the lubricating oil is monitored by the pressure gauge 108. Finally, the lubricating oil after pressure regulation and pressure monitoring is delivered to the bearing 110 through the oil delivery pipe 109 for lubrication.
[0023] With reference to Figures 1-2 The oil storage mechanism 200 includes a collection box 201 and an oil injection pipe 202. The oil tank 101 is provided with the collection box 201, and the side wall of the collection box 201 is provided with the oil injection pipe 202 in communication. The other end of the oil injection pipe 202 is in communication with the side wall of the conveying pipe 105.
[0024] The excess oil on the bearing 110 will flow along the collection port 111 and finally fall into the collection box 201 through the filtering mechanism 300. The pressure pump 104 can deliver the oil in the oil tank 101 and the collection box 201 to the bearing 110.
[0025] With reference to Figure 3 The filtering mechanism 300 includes a sliding groove 301, a mounting frame 302, a filter screen 303, a handle 304 and a limiting strip 305. The collection port 111 is arranged below the bearing 110. The collection port 111 is provided with the penetrating sliding groove 301. The mounting frame 302 is slidably arranged in the sliding groove 301. The limiting strip 305 is arranged at the middle position of the mounting frame 302. The filter screen 303 is detachably arranged on both sides of the limiting strip 305 on the mounting frame 302. The handle 304 is arranged on the side of the filter screen 303 away from the limiting strip 305.
[0026] The filter screen 303 is used to filter the dripping oil, and such filter screen 303 is slidably installed in the sliding groove 301 through the mounting frame 302, so that the filter screen 303 can be quickly replaced by sliding, avoiding the long replacement time in the prior art, so that the unfiltered oil falls into the collection box 201, thereby polluting the clean oil in the collection box 201.
[0027] With reference to Figures 3-4 The mounting mechanism 400 includes a fixed plate 401, a rotating knob 402, a lead screw 403, and a pushing block 404. The pushing block 404 is arranged at both ends of the filter screen 303 and is in sliding cooperation with the mounting frame 302. The fixed plate 401 is arranged on the side wall of the mounting frame 302. The rotating knob 402 is rotatably arranged on the fixed plate 401. The fixed plate 401 is internally provided with a thread cooperating with the lead screw 403. The lead screw 403 is provided with the rotating knob 402 at an end away from the filter screen 303. The other end of the lead screw 403 is inserted into the pushing block 404 and is in rotating cooperation with the pushing block 404.
[0028] The rotating knob 402 drives the lead screw 403 to rotate. The cooperation between the lead screw 403 and the thread in the fixed plate 401 enables the lead screw 403 to move forward and backward, so as to push and pull the pushing block 404, and to quickly fix and disassemble the filter screen 303.
[0029] With reference to Figure 4 The rotating knob 402 is symmetrically provided with a protruding connecting block on the side wall.
[0030] Such connecting block is used to facilitate the rotation of the rotating knob 402 by the staff.
[0031] The lubricating oil filling device is connected with a lubricating oil automatic filling control system, the lubricating oil automatic filling control system is connected with a generator control system, a temperature sensor is installed near the lubricating oil filling device, the generator control system is connected with a signal receiver, and the generator control system is further connected with a fan control system alarm display.
[0032] With reference to Figure 5 The lubricating oil is automatically filled to the designated position from the filling device, and the process is monitored and managed by the filling control system, temperature monitoring, the temperature sensor (M) monitors the temperature in real time and feeds back the data to the system, the signal input module is powered by a DC 24V power supply, receives signals from various sensors, the signal output module sends control instructions to the corresponding execution unit, the generator control system monitors and controls the working state of the entire generator, and the fan control system receives signals in real time and triggers the alarm display when an abnormal condition is detected.
[0033] Working principle: the lubricating oil is automatically filled into the designated position from the filling device, the process is monitored and managed by the filling control system, the temperature is monitored in real time by the temperature sensor (M) and the data is fed back to the system, the signal input module is powered by DC24V power supply, receives signals from various sensors, the signal output module sends control instructions to the corresponding execution unit, the generator control system monitors and controls the working state of the whole generator, the fan control system receives signals in real time and triggers alarm display when abnormal conditions are detected; when lubrication is needed, start the pressure pump 104 to pump lubricating oil from the oil drum 101 and deliver it to the flow controller 103 through the delivery pipe 105, the flow controller 103 adjusts the flow of lubricating oil according to actual needs, then the lubricating oil enters the communication pipe 107 through the connecting pipe 106, in the communication pipe 107, the pressure of the lubricating oil is monitored by the pressure gauge 108, finally, the lubricating oil that has been pressure-regulated and pressure-monitored is delivered to the bearing 110 through the oil delivery pipe 109 for lubrication; the excess oil on the bearing 110 will fall into the collection tank 201 along the collection port 111 and through the filter mechanism 300, the oil in the oil drum 101 and the collection tank 201 can be delivered to the bearing 110 by the pressure pump 104; the filter screen 303 is used to filter the dripping oil, such filter screen 303 is slidingly installed in the sliding groove 301 through the mounting frame 302, realizing quick sliding replacement of the filter screen 303, avoiding the long replacement time in the past, causing the unfiltered oil to fall into the collection tank 201, polluting the clean oil in the collection tank 201; rotating the rotating knob 402 drives the screw rod 403 to rotate, the screw rod 403 moves forward and backward through the cooperation of the screw rod 403 and the screw thread in the fixed plate 401, the push block 404 can be pushed and pulled, and the filter screen 303 can be quickly fixed and disassembled.
[0034] The above embodiments only express one or several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as limiting the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.
Claims
1. A device for automatically adding lubricating oil to a wind turbine generator, characterized in that, The system includes a base (102), on which an oil drum (101) and a flow controller (103) are mounted. The input end of the flow controller (103) is connected to a delivery pipe (105), and the other end of the delivery pipe (105) is connected to the oil drum (101). The output end of the flow controller (103) is connected to a connecting pipe (106). A pressure pump (104) is mounted on the oil drum (101). The input end of the pressure pump (104) is connected to the connecting pipe (106), and its output end is connected to a connecting pipe (107). The other end of the connecting pipe (107) is connected to the input end of a pressure gauge (108). The output end of the pressure gauge (108) is connected to an oil supply pipe (109) for injecting oil into the bearing (110). Below the bearing (110) is an oil storage mechanism (200) for collecting oil and a filter mechanism (300) for filtering it. The filter mechanism (300) is installed and fixed by an installation mechanism (400).
2. The device for automatically adding lubricating oil to a wind turbine generator according to claim 1, characterized in that, The oil storage mechanism (200) includes a collection box (201) and an oil injection pipe (202). The oil drum (101) is provided with a collection box (201). The side wall of the collection box (201) is connected to the oil injection pipe (202). The other end of the oil injection pipe (202) is connected to the side wall of the delivery pipe (105).
3. The device for automatically adding lubricating oil to a wind turbine generator according to claim 2, characterized in that, The filtration mechanism (300) includes a sliding groove (301), a mounting bracket (302), a filter screen (303), a handle (304), and a limiting strip (305). The collection box (201) is provided with a collection port (111), which is located below the bearing (110). The collection port (111) is provided with a through sliding groove (301). The mounting bracket (302) is slidably mounted in the sliding groove (301). The limiting strip (305) is provided in the middle of the mounting bracket (302). The filter screen (303) can be detachably mounted on both sides of the limiting strip (305) on the mounting bracket (302). The filter screen (304) is provided on the side away from the limiting strip (305) of the filter screen (303).
4. The device for automatically adding lubricating oil to a wind turbine generator according to claim 1, characterized in that, The installation mechanism (400) includes a fixed plate (401), a rotary knob (402), a lead screw (403), and a push block (404). The push block (404) is disposed at both ends of the filter screen (303) and slides in cooperation with the mounting frame (302). The mounting frame (302) has a fixed plate (401) on its side wall. The fixed plate (401) is rotatably mounted on the fixed plate (401). The fixed plate (401) has a thread that cooperates with the lead screw (403). The end of the lead screw (403) away from the filter screen (303) has a rotary knob (402). The other end of the lead screw (403) is inserted into the push block (404) and rotates in cooperation with it.
5. The device for automatically adding lubricating oil to a wind turbine generator according to claim 4, characterized in that, The rotating knob (402) has symmetrically protruding connecting blocks on its side wall.