Compensation device, lubricating system and wind generating set

Abstract

The utility model relates to a compensation device, lubrication system and wind generating set, compensation device includes box body and pressurization subassembly, box body has first chamber and second chamber, box body is provided with communication port and outlet, first chamber is used for storing the lubrication medium, first chamber and second chamber pass through the communication port intercommunication, and the pressurization subassembly passes through the first chamber and second chamber intercommunication. The lubricating medium can enter the second cavity from the communicating port, and the outlet is communicated with the second cavity; the pressurizing assembly is connected with the box body and comprises a driving part and a sealing part, the sealing part is arranged in the second cavity, the sealing part has the moving freedom degree relative to the box body in the first direction, and the driving part drives the sealing part to move in the first direction so that the lubricating medium in the second cavity can flow out of the outlet. According to the compensation device, the lubricating system and the wind generating set provided by the embodiment of the utility model, the compensation lubrication on the bearing can be kept under various working conditions, the problem of depending on a lubricating pump for lubrication is solved, and the better lubrication continuity is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind power generation technical field especially is involved in a kind of compensation device, lubricating system and wind turbine generator unit. BACKGROUND

[0002] With the increase of wind turbine generator size, bearing as important load-bearing component, size is increasingly large, for bearing, lubrication is crucial to bearing load and life, therefore, bearing lubrication is concerned by people.

[0003] With the increase of bearing size, the difficulty of lubrication in the upper half area of bearing increases.Although the scheme of prior art adopts top oil injection or adds grease scheme to lubricate the top area, in some special working conditions, for example, lubricating pump cannot be opened or lubricating pipeline is not connected, etc., in this state, the difficulty of lubricating bearing increases. SUMMARY

[0004] The utility model embodiment provides a kind of compensation device, lubricating system and wind turbine generator unit, can keep the compensation lubrication of bearing under multiple working conditions, overcome the problem of lubrication depending on lubricating pump, with better lubrication continuity.

[0005] In the first aspect, according to the utility model embodiment proposes a kind of compensation device, including box and pressurizing component, box has first chamber and second chamber, box is provided with communicating port and outlet, first chamber is used to store lubricating medium, first chamber and second chamber are communicated by communicating port, to enable lubricating medium to enter second chamber by communicating port, outlet is communicated with second chamber;Pressurizing component is connected with box, and pressurizing component includes driving part and sealing element, sealing element is set to second chamber, sealing element has the freedom of movement along first direction relative to box, driving part drives sealing element to move along first direction, to make the lubricating medium in second chamber flow out by outlet.

[0006] According to an aspect of the utility model embodiment, the volume of the first chamber is greater than the volume of the second chamber.

[0007] According to an aspect of the utility model embodiment, the pressurizing component further includes a transmission member, at least a portion of the transmission member is disposed in the second chamber, one end of the transmission member is connected with the driving part and the other end is connected with the sealing element, and the driving part can drive the sealing element to move along the first direction through the transmission member.

[0008] According to an aspect of the utility model embodiment, the transmission member includes a transmission rod and a transmission block, one end of the transmission rod is connected with the driving part, the transmission block is sleeved on the other end of the transmission rod and is in transmission cooperation with each other, and the transmission member is connected with the sealing element through the transmission block.

[0009] According to an aspect of the embodiment of the present application, the transmission member comprises a telescopic cylinder, the telescopic cylinder has telescopic property in the first direction, and the telescopic cylinder is connected with the sealing member and can drive the sealing member to move along the first direction.

[0010] According to an aspect of the embodiment of the present application, the compensation device further comprises a one-way valve, the one-way valve is arranged at the communication port, and the one-way valve is one-way communicated from the first chamber to the second chamber.

[0011] According to an aspect of the embodiment of the present application, the compensation device further comprises a connecting pipe, the connecting pipe is inserted at the outlet, the outer surface of the connecting pipe is provided with threads, and the connecting pipe is configured to transport the lubricating medium.

[0012] According to an aspect of the embodiment of the present application, the compensation device further comprises a heating member, the heating member is arranged in the first chamber and is configured to heat the lubricating medium in the first chamber.

[0013] According to an aspect of the embodiment of the present application, the compensation device further comprises a detector and a controller, the detector is connected with the first chamber and connected with the controller, the detector is configured to detect the temperature information of the lubricating medium in the first chamber, and the controller is configured to control the opening and closing of the heating member according to the obtained temperature information of the lubricating medium.

[0014] In a second aspect, the present application provides a lubricating system, comprising a transmission assembly and the compensation device as described above, the transmission assembly comprises a support shaft, a bearing seat and a bearing sleeved between the support shaft and the bearing seat, the bearing seat is provided with a connecting hole communicated with the bearing; the compensation device is connected with the bearing seat, and the box body is butted with the connecting hole through the outlet.

[0015] In a third aspect, the present application provides a wind turbine generator, comprising the lubricating system as described above.

[0016] According to an aspect of the embodiment of the present application, the wind turbine generator comprises a control unit and a wireless receiving unit, the wireless receiving unit receives the start instruction of the lubricating system sent by the remote instruction sending unit and transmits the start instruction to the control unit, and the control unit controls the opening and closing of the heating member of the compensation device.

[0017] The utility model embodiment provides a kind of compensation device, lubricating system and wind generating set, by being set as the structural form of box and pressurizing component to compensation device, first chamber in box is used to store lubricating medium, and the lubricating medium in first chamber is transported to second chamber by communicating port, under the action of pressurizing component in second chamber, sealing member is moved in second chamber along first direction using driving member, to drive the lubricating medium in second chamber to flow out from outlet, realize the lubrication compensation of bearing, even in the working condition of existing lubricating pump, lubricating medium can be compensated using the compensation device in the embodiment, ensure the sustainability of bearing lubrication, reduce the lubrication dependency of lubricating pump, provide reliable guarantee for sustainable bearing lubrication, further improve the safety performance of bearing operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] The features, advantages and technical effects of the exemplary embodiments of the utility model will be described below with reference to the drawings.

[0019] Figure 1 It is the structure schematic diagram of a kind of compensation device of the utility model embodiment;

[0020] Figure 2 It is the internal structure schematic diagram of a kind of compensation device of the utility model embodiment;

[0021] Figure 3 It is the plan view of a kind of compensation device of the utility model embodiment;

[0022] Figure 4 It is the connection schematic diagram of a kind of compensation device and transmission assembly of the utility model embodiment.

[0023] Reference signs:

[0024] 100-compensation device;10-box;11-first chamber;12-second chamber;13-communicating port;14-outlet;20-pressurizing component;21-driving member;22-sealing member;23-transmission member;23a-transmission rod;23b-transmission block;30-one-way valve;40-connection pipe;50-heating element;60-detector;Z-first direction;

[0025] 200-transmission assembly;201-support shaft;202-bearing seat;203-bearing.

[0026] In the drawings, the same components use the same reference signs. The drawings are not drawn according to actual scale. DETAILED DESCRIPTION

[0027] The features and exemplary embodiments of each aspect of the present application will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one of ordinary skill in the art that the present application can be practiced without some or all of these specific details. The description of the embodiments is merely illustrative of the present application and is not intended to limit the present application, as is apparent to one of ordinary skill in the art. In the following description, well-known structures and techniques have not been shown in detail in order not to obscure the present application.

[0028] The orientation words appearing in the following description are the directions shown in the drawings, and do not limit the specific structure of the compensation device, the lubricating system and the wind turbine generator set of the present application. In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting" and "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be directly connected, or indirectly connected. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In order to better understand the present application, the following will be described in conjunction with Figures 1 to 4 The compensation device, the lubricating system and the wind turbine generator set of the embodiments of the present application are described in detail.

[0030] Please refer to Figures 1 to 3 According to the embodiments of the present application, a compensation device 100 is provided, which comprises a box body 10 and a pressurizing assembly 20. The box body 10 has a first chamber 11 and a second chamber 12. The box body 10 is provided with a communication port 13 and an outlet 14. The first chamber 11 is used for storing lubricating medium. The first chamber 11 and the second chamber 12 are communicated through the communication port 13, so that the lubricating medium can enter the second chamber 12 through the communication port 13. The outlet 14 is communicated with the second chamber 12. The pressurizing assembly 20 is connected with the box body 10. The pressurizing assembly 20 comprises a driving member 21 and a sealing member 22. The sealing member 22 is arranged in the second chamber 12. The sealing member 22 has a moving freedom degree relative to the box body 10 along a first direction Z. The driving member 21 drives the sealing member 22 to move along the first direction Z, so that the lubricating medium in the second chamber 12 flows out through the outlet 14.

[0031] The compensation device 100 in the embodiment divides the box 10 into a first chamber 11 and a second chamber 12, the first chamber 11 is used for storing lubricating medium, which can be lubricating oil optionally, for lubricating the bearing 203 in the wind turbine generator set, the second chamber 12 and the first chamber 11 are communicated through the intermediate communication port 13, when the bearing 203 needs to be lubricated, the lubricating medium can enter the second chamber 12 from the first chamber 11.

[0032] The outlet 14 is arranged at the second chamber 12 and communicated with the second chamber 12, the pressurizing assembly 20 is connected to the box 10 and used in the second chamber 12, which mainly pressurizes the lubricating medium in the second chamber 12, drives the lubricating medium to be discharged from the outlet 14, so as to deliver the lubricating medium to the position of the bearing 203 for lubrication.

[0033] Optionally, for the specific structure of the pressurizing assembly 20, the embodiment is arranged in the structure form of the driving member 21 and the sealing member 22, the sealing member 22 can be a rubber sealing gasket structure, which is arranged in the second chamber 12 and can be clamped to the inner wall of the second chamber 12, the driving member 21 is connected to the box 10 at the position of the second chamber 12 and provides the power for the sealing member 22 to move in the first direction Z, which can be the height direction of the box 10.

[0034] That is to say, the lubricating medium in the box 10 is mainly used for storing lubricating medium, when the bearing 203 needs to be lubricated and compensated, the lubricating medium enters the second chamber 12 from the communication port 13, the second chamber 12 mainly provides the pressurization for the lubricating medium under the action of the pressurizing assembly 20, so that the lubricating medium can be smoothly shot from the outlet 14 to complete the oil injection lubrication of the bearing 203.

[0035] In the embodiment, the driving member 21 provides the power for the sealing member 22 to move, so that the lubricating medium in the second chamber 12 is discharged under the extrusion of the sealing member 22, the specific structure of the driving member 21 and the sealing member 22 is not specially limited in the application, which can pressurize the lubricating medium in the second chamber 12.

[0036] The utility model discloses an embodiment provides a kind of compensation device 100, by being set as the structural form of box 10 and pressurizing component 20 of compensation device 100, utilize the first chamber 11 in box 10 to store lubricating medium, and by communicating port 13, lubricating medium in the first chamber 11 is delivered to second chamber 12, under the action of pressurizing component 20 in second chamber 12, utilize driving member 21 to drive sealing member 22 in second chamber 12 along the first direction Z moves, to drive lubricating medium in second chamber 12 to flow out from outlet 14, realize the lubrication compensation of bearing 203, even in the working condition of existing lubricating pump, lubricating medium can be compensated using the compensation device 100 in the embodiment, ensure the continuity of bearing 203 lubrication, reduce the lubrication dependence of lubricating pump, provide reliable guarantee for sustainable bearing 203 lubrication, further improve the safety performance of bearing 203 operation.

[0037] As an alternative embodiment, please refer to Figure 2 The volume of the first chamber 11 is greater than the volume of the second chamber 12.

[0038] In this embodiment, the oil storage function of the first chamber 11 and the pressurized oil injection function of the second chamber 12 are mainly considered. For the lubrication of bearings 203 in wind turbine generators, it is often necessary to lubricate the bearings 203 at intervals. Since the unit is in a harsh project site environment, it may not be possible to meet the needs of frequent oiling by on-site maintenance personnel. In order to avoid increasing the workload of the staff, the volume of the first chamber 11 needs to be increased as much as possible. The volume of the first chamber 11 is not specially limited in value in this application, and theoretically the larger the better, so as to store more lubricating medium.

[0039] Optionally, the first chamber 11 for storing oil can be designed according to the lubrication amount of two months per unit, so as to determine the actual volume of the first chamber 11.

[0040] The purpose of transferring the lubricating medium to the relatively small second chamber 12 for pressurized discharge is to divide the lubricating medium in the first chamber 11 into multiple times for pressurized lubrication compensation in the second chamber 12, avoiding direct pressurization in the first chamber 11 to discharge the lubricating medium at once, so as to divide the large volume of lubricating medium into multiple small volumes for compensation. The volume of the second chamber 12 is not specially limited in value in this application, and the volume of the first chamber 11 can be greater than the volume of the second chamber 12 to complete multiple lubrication compensation.

[0041] The utility model embodiment provides a kind of compensation device 100, by the volume of first chamber 11 is greater than the volume of second chamber 12, so that box 10 has greater lubricating medium storage capacity, simultaneously can realize the multiple ejection compensation of lubricating medium, improve the compensation efficiency of compensation device 100 whole, avoid staff repeatedly oiling box 10, save the labor of staff.

[0042] As an alternative embodiment, please refer to Figure 2 The pressurizing assembly 20 further comprises a transmission member 23, at least a portion of the transmission member 23 is arranged in the second chamber 12, one end of the transmission member 23 is connected with the driving member 21 and the other end is connected with the sealing member 22, and the driving member 21 can drive the sealing member 22 to move along the first direction Z through the transmission member 23.

[0043] Optionally, in the present embodiment, the transmission member 23 is arranged in the pressurizing assembly 20, the transmission member 23 can be directly arranged in the second chamber 12, and the driving member 21 can be arranged outside the box 10 and connected with the transmission member 23, so as to directly drive the transmission member 23 to move along the first direction Z in the second chamber 12, and further drive the sealing member 22 clamped in the second chamber 12 to move along the first direction Z, thereby realizing the pressurization of the lubricating medium in the second chamber 12.

[0044] Optionally, the driving member 21 can adopt the structure of a servo motor, and the specific structure of the transmission member 23 is not specially limited in the present application, which can be connected with the driving member 21 and can complete the movement in the second chamber 12; of course, the transmission member 23 can also not be arranged in the pressurizing assembly 20, and the movement of the sealing member 22 can be realized by the air pressurization mode, at this time, the driving member 21 can adopt the structure of an air pump or a pressurized air blower, which can also drive the sealing member 22 to move in the second chamber 12 to realize the pressurization of the lubricating medium, and the present application does not limit this.

[0045] The utility model embodiment provides a kind of compensation device 100, by being arranged in pressurizing assembly 20 transmission member 23, utilize driving member 21 and transmission member 23 are connected and drive sealing member 22 to form movement, realized the direct drive pressurization of sealing member 22, so that the pressurization of second chamber 12 is more sufficient, it is convenient to carry out multiple pressurization compensation process by the reciprocating movement of transmission member 23, with higher pressurization compensation reliability.

[0046] As an alternative embodiment, please refer to Figure 2 The transmission member 23 comprises a transmission rod 23a and a transmission block 23b, one end of the transmission rod 23a is connected with the driving member 21, the transmission block 23b is sleeved on the other end of the transmission rod 23a and is in transmission cooperation with each other, and the transmission member 23 is connected with the sealing member 22 through the transmission block 23b.

[0047] The transmission member 23 is provided in the form of a transmission rod 23a and a transmission block 23b in this embodiment, and the transmission rod 23a can be a screw rod structure, the driving member 21 is connected with the transmission rod 23a and can drive the transmission rod 23a to rotate, so that the transmission rod 23a moves in the first direction Z, and the transmission block 23b connected with the transmission rod 23a is driven to move.

[0048] The transmission block 23b is connected with the sealing member 22, so that the transmission block 23b further drives the sealing member 22 to move, and the cross-sectional size of the transmission block 23b can be greater than that of the transmission rod 23a, so that the connecting surface of the transmission block 23b and the sealing member 22 has a larger contact area, the sealing member 22 can be more fully driven to stably move, and the lubricating medium in the second cavity 12 can be more stably pressurized.

[0049] The specific structure of the transmission member 23 and the specific transmission principle are not specially limited in this application, and the driving of the sealing member 22 can be realized through various transmission modes, and the sealing member 22 can be driven to press the lubricating medium in the second cavity 12 to realize pressurization.

[0050] The utility model embodiment provides a compensation device 100, through the transmission member 23 is provided as the structure form of transmission rod 23a and transmission block 23b connection, utilize the connection of transmission block 23b and sealing member 22, realized more stable transmission process, improved the pressurization stability in second cavity 12.

[0051] As an optional embodiment, the transmission member 23 includes a telescopic cylinder, the telescopic cylinder has telescopic performance in the first direction Z, and the telescopic cylinder is connected with the sealing member 22 and can drive the sealing member 22 to move along the first direction Z.

[0052] Optionally, the transmission member 23 is provided in the form of a telescopic cylinder in this embodiment, and the form of a pneumatic cylinder or a hydraulic cylinder can be specifically adopted, the movement of the sealing member 22 is driven by the telescopic performance of the telescopic cylinder in the first direction Z, and the pressurization of the lubricating medium in the second cavity 12 can also be realized.

[0053] The utility model embodiment provides a compensation device 100, by the transmission member 23 is provided as telescopic cylinder and equipment, provided another feasible transmission pressurization structure, the telescopic cylinder as integral type transmission structure has better safety performance, provides reliable guarantee for the sustainable operation of transmission member 23.

[0054] As an optional embodiment, please refer to Figure 3 The compensation device 100 further includes a one-way valve 30, the one-way valve 30 is arranged at the communication port 13, and the one-way valve 30 is unidirectionally communicated from the first cavity 11 to the second cavity 12.

[0055] To ensure the effectiveness of the pressurization of the second chamber 12, a one-way valve 30 is arranged at the communication port 13 between the first chamber 11 and the second chamber 12 in the embodiment, and the main function of the one-way valve 30 is to allow the lubricating medium to flow from the first chamber 11 to the second chamber 12 only, and the lubricating medium cannot flow back.

[0056] Therefore, when the bearing 203 needs to be lubricated, the one-way valve 30 is opened by the automatic equipment, at this time, the lubricating medium can flow from the first chamber 11 to the second chamber 12, and the sealing member 22 can extrude the lubricating medium in the second chamber 12 in the process of pressurizing the second chamber 12, at this time, the lubricating medium can only flow out from the outlet 14 communicating with the second chamber 12, and the one-way valve 30 prevents the lubricating medium from flowing back to the first chamber 11 through the communication port 13, thereby effectively pressurizing the lubricating medium and spraying it out of the outlet 14.

[0057] Optionally, the one-way valve 30 can be arranged directly at the communication port 13, or a pipeline can be connected at the communication port 13, and the one-way valve 30 is arranged on the pipeline, which needs to be determined according to the actual structure of the one-way valve 30, and the specific structure and arrangement position of the one-way valve 30 are not specially limited in the application, as long as the lubricating medium cannot flow back in the process of pressurizing the second chamber 12.

[0058] The embodiment of the utility model provides a kind of compensation device 100, by being arranged one-way valve 30 at the communication port 13 between first chamber 11 and second chamber 12, utilize the one-way valve 30 itself one-way conduction performance, avoid the problem of pressurization failure caused by the lubricating medium from second chamber 12 backflow to first chamber 11, to ensure the reliability of pressurization compensation, with better pressurization effect.

[0059] As an alternative embodiment, please refer to Figure 2 The compensation device 100 further includes a connecting pipe 40, which is inserted into the outlet 14, and the outer surface of the connecting pipe 40 is provided with threads, and the connecting pipe 40 is configured to transport the lubricating medium.

[0060] Optionally, the connecting pipe 40 is arranged at the outlet 14 in the embodiment, and the main function of the connecting pipe 40 is to connect with the bearing seat 202 where the bearing 203 is located, so that the connecting pipe 40 can pass through the bearing seat 202 to the position of the bearing 203, and the connecting pipe 40 can transport the pressurized lubricating medium to the position of the bearing 203.

[0061] For the connection of the connecting pipe 40 and the bearing seat 202, optionally, an external thread can be arranged on the connecting pipe 40, and a threaded connection is formed through the external thread and a connecting hole on the bearing seat 202, so that the detachable connection of the connecting pipe 40 and the bearing seat 202 is realized, and the specific connection mode of the connecting pipe 40 is not specially limited in the application, and it is only required to ensure that the connecting pipe 40 is used to realize the conduction of the lubricating medium.

[0062] The utility model embodiment provides a kind of compensation device 100, by being provided with connecting pipe 40 structure at the outlet 14 of second chamber 12, lubricating medium after pressurization can be smoothly transported to the gap position of bearing 203 roller by connecting pipe 40, it provides orientation for the circulation of lubricating medium, improves the accuracy of compensation lubrication to bearing 203.

[0063] As an optional embodiment, please refer to Figure 2 And Figure 3 Compensation device 100 further includes heating element 50, and the heating element 50 is arranged in the first chamber 11 and is configured to heat the lubricating medium in the first chamber 11.

[0064] When the temperature is low, the flowability of the lubricating medium is affected, and in the embodiment, the heating element 50 is arranged in the first chamber 11 for oil outlet, so that the lubricating medium in the first chamber 11 can be heated in time, so that the flowability of the lubricating medium is restored.

[0065] Optionally, the heating element 50 can be a heating resistor structure, which is connected to the first chamber 11, and the specific structure of the heating element 50 is not specially limited in the application, and the lubricating medium can be heated according to the actual temperature.

[0066] The utility model embodiment provides a kind of compensation device 100, by being provided with heating element 50 in first chamber 11, the lubricating medium in it can be heated in low temperature working condition, ensure the effective flowability of lubricating medium in pressurization compensation process, provide basic condition for subsequent pressurization compensation.

[0067] As an optional embodiment, please refer to Figure 3 Compensation device 100 further includes detector 60 and controller, and the detector 60 is connected to the first chamber 11 and connected to the controller, and the detector 60 is configured to detect the temperature information of the lubricating medium in the first chamber 11, and the controller is configured to control the opening and closing of the heating element 50 according to the obtained temperature information of the lubricating medium.

[0068] Optionally, the detector 60 can be a temperature sensor arranged in the first chamber 11, and the main function of the detector 60 is to detect the temperature of the lubricating medium in the first chamber 11 in real time, and the controller can be a main control system in the wind turbine generator, and the temperature information detected by the detector 60 can be transmitted to the controller.

[0069] The main function of the controller is to judge the obtained temperature information, and control the opening and closing of the heating element 50 according to the actual temperature information, for example, when the detector 60 detects that the temperature in the low-temperature environment of-10℃, at this time, the lubricating pump of the unit is closed, and the controller opens the heating element 50 in the above-mentioned state, when the temperature of the lubricating medium heated by the heating element 50 reaches 10℃ or above, the controller controls the heating element 50 to stop heating, and at this time, the lubricating medium restores the fluidity.

[0070] Optionally, the heating element 50 can be a heating resistor structure, that is, the heating can be performed in an electric heating mode, and at this time, a temperature control switch can be used in the circuit, and when the temperature reaches 10℃ or above, the controller controls the temperature control switch to be turned off to stop the heating of the heating element 50.

[0071] The embodiment of the utility model provides a kind of compensation device 100, by being arranged detector 60 and controller in compensation device 100, realize the automatic control to lubricating medium temperature, ensure the effective fluidity of lubricating medium, provide reliable guarantee for subsequent pressurization compensation process, with better automatic regulation ability simultaneously.

[0072] According to the embodiment of the utility model provides a kind of lubricating system, including transmission assembly 200 and the compensation device 100 as described above, transmission assembly 200 includes support shaft 201, bearing seat 202 and bearing 203 of sleeve joint between the two, bearing seat 202 is provided with the connecting hole being communicated with bearing 203;Compensation device 100 is connected with bearing seat 202, and box 10 is connected with connecting hole by outlet 14.

[0073] Optionally, the transmission assembly 200 can be a transmission system in a wind turbine generator, which is connected between an impeller and a generator. The bearing 203 between the support shaft 201 and the bearing seat 202 needs to be compensated and lubricated. By providing the connecting hole on the bearing seat 202 and connecting the outlet 14 on the box 10 with the connecting hole, the lubricating medium after being pressurized in the second chamber 12 flows from the second chamber 12 to the bearing 203, completing the compensation and lubrication of the bearing 203.

[0074] According to the embodiment of the utility model provides a kind of wind turbine generator, including the lubricating system as described above.

[0075] When the above-mentioned unit cannot start the lubricating pump to provide oil for the bearing 203 due to special environment, and the lubricating time exceeds one month, the user inputs the starting instruction through the instruction input interface, the instruction input interface receives the starting instruction of the lubricating system and transmits the starting instruction to the control unit, the control unit controls the wireless sending unit to send the starting instruction to the controller of the compensation device 100, and the controller of the compensation device 100 receives the starting instruction and controls the opening and closing of the heating part 50 of the compensation device 100. The instruction input interface may be, for example, a human-computer interaction interface set remotely, in which case the user can remotely control the compensation device 100 on the unit through the interaction interface, for example, by sending the corresponding lubricating instruction to the controller of the compensation device 100 through radio waves or remote communication, and the controller executes the opening and closing function of at least one of the pressurizing device, the heating device and the one-way valve when receiving the instruction.

[0076] The working process of an embodiment of the present application is described below:

[0077] First, the temperature of the lubricating medium in the first chamber 11 is detected by the detector 60, and if the temperature is lower than the predetermined temperature, the controller controls the heating circuit to start the heating part 50 to heat the lubricating medium in the first chamber 11, and when the temperature reaches above the predetermined temperature, the heating part 50 is automatically powered off to stop heating, or the temperature control switch in the heating circuit is powered off to stop the heating of the heating part 50.

[0078] Then, the controller controls the one-way valve to open to open the communication port 13 in the compensation device 100, so that the lubricating medium flows from the first chamber 11 to the second chamber 12, and when the predetermined compensation amount is reached, the controller controls the one-way valve to close to close the communication port 13 between the two.

[0079] Finally, the controller controls the driving part 21 of the pressurizing assembly 20 to start and drive the sealing part 22 to move downward to pressurize the lubricating medium in the second chamber 12, so as to ensure that the lubricating medium enters the inside of the bearing 203 from the jetting state, thereby providing lubrication for the rollers and the inner and outer raceways, and completing the compensation lubrication process of the bearing 203.

[0080] The utility model discloses a kind of compensation device, lubricating system and wind turbine unit, by being set as the structural form of box and pressurizing component compensation device, first chamber in box is stored to lubricating medium, and lubricating medium in first chamber is delivered to second chamber by communicating port, under the action of pressurizing component in second chamber, using driving member to drive sealing member moves in second chamber along first direction, to drive lubricating medium in second chamber to flow out from outlet, realized the lubrication compensation of bearing, even in the working condition of existing lubricating pump inoperative, lubricating medium can be compensated using the compensation device in the embodiment, ensure the sustainability of bearing lubrication, reduce the lubrication dependency of lubricating pump, provide reliable guarantee for sustainable bearing lubrication, further improve the safety performance of bearing operation.

[0081] Although the utility model has been described with reference to the preferred embodiments, various modifications can be made to it and parts thereof can be replaced by equivalents without departing from the scope of the utility model. In particular, each of the technical features mentioned in each of the embodiments can be combined in any manner, provided that there is no structural conflict. The utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A compensating device (100), characterized in that, The application relates to a compensation device (100) for a lubricating system, comprising: a box body (10) having a first chamber (11) and a second chamber (12), the box body (10) being provided with a communication port (13) and an outlet (14), the first chamber (11) being used for storing a lubricating medium, the first chamber (11) and the second chamber (12) being communicated through the communication port (13) to enable the lubricating medium to enter the second chamber (12) through the communication port (13), the outlet (14) being communicated with the second chamber (12); a pressurizing assembly (20) connected with the box body (10), the pressurizing assembly (20) comprising a driving member (21) and a sealing member (22), the sealing member (22) being arranged in the second chamber (12) and having a moving freedom relative to the box body (10) along a first direction (Z), the driving member (21) driving the sealing member (22) to move along the first direction (Z) to enable the lubricating medium in the second chamber (12) to flow out through the outlet (14).

2. The compensation device (100) according to claim 1, characterized in that The volume of the first chamber (11) is greater than the volume of the second chamber (12).

3. The compensation device (100) according to claim 1 or 2, characterized in that The pressurizing assembly (20) further comprises a transmission member (23), at least a part of the transmission member (23) being arranged in the second chamber (12), one end of the transmission member (23) being connected with the driving member (21) and the other end being connected with the sealing member (22), the driving member (21) being capable of driving the sealing member (22) to move along the first direction (Z) through the transmission member (23).

4. The compensation device (100) according to claim 3, characterized in that The transmission member (23) comprises a transmission rod (23a) and a transmission block (23b), one end of the transmission rod (23a) being connected with the driving member (21), the transmission block (23b) being sleeved on the other end of the transmission rod (23a) and being in transmission cooperation with each other, the transmission member (23) being connected with the sealing member (22) through the transmission block (23b).

5. The compensation device (100) according to claim 3, characterized in that The transmission member (23) comprises a telescopic cylinder, the telescopic cylinder having telescopic property along the first direction (Z), the telescopic cylinder being connected with the sealing member (22) and being capable of driving the sealing member (22) to move along the first direction (Z).

6. The compensation device (100) according to claim 1 or 2, characterized in that The compensation device (100) further comprises a one-way valve (30), the one-way valve (30) being arranged at the communication port (13), the one-way valve (30) being unidirectionally communicated from the first chamber (11) to the second chamber (12).

7. The compensation device (100) according to claim 1, characterized in that The compensation device (100) further comprises a connecting pipe (40), the connecting pipe (40) being inserted at the outlet (14), an outer surface of the connecting pipe (40) being provided with threads, the connecting pipe (40) being configured to transport the lubricating medium.

8. The compensation device (100) according to claim 1, characterized in that The compensation device (100) further comprises a heating member (50), the heating member (50) being arranged in the first chamber (11) and being configured to heat the lubricating medium in the first chamber (11).

9. The compensation device (100) according to claim 8, characterized in that The compensation device (100) further comprises a detector (60) connected to the first chamber (11) and a controller, the detector (60) is configured to detect the temperature information of the lubricating medium in the first chamber (11), and the controller is configured to instruct the opening and closing of the heating member (50) according to the obtained temperature information of the lubricating medium.

10. A lubrication system characterized in that, Comprising: A transmission assembly (200) comprising a support shaft (201), a bearing seat (202), and a bearing (203) sleeved between the two, the bearing seat (202) is provided with a connecting hole in communication with the bearing (203); The compensation device (100) as claimed in any one of claims 1 to 9, the compensation device (100) is connected with the bearing seat (202), and the box body (10) is connected with the connecting hole through the outlet (14).

11. A wind power unit, characterized in that Comprising the lubricating system as claimed in claim 10.

12. A wind power plant according to claim 11, characterised in that Comprising: A control unit and a wireless receiving unit, the wireless receiving unit receives the start instruction of the lubricating system sent by the remote instruction sending unit and transmits the start instruction to the control unit, and the control unit controls the opening and closing of the heating member (50) of the compensation device (100).

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