Wind power gear box fine filtering device convenient to carry, disassemble and assemble

Abstract

The utility model discloses a wind power gear box fine filtration device convenient to carry, disassemble and assemble, which belongs to the technical field of gear box fine filtration devices and comprises a base frame, an oil pump, a tank body and a filter element membrane stack, the base frame comprises a base plate and a vertical frame body; the vertical frame body is vertically and fixedly arranged on the upper end face of the base plate. The oil pump and the tank body are respectively arranged on the front side and the rear side of the vertical frame body; a plurality of trundles are arranged on the lower end face of the base plate and bear the base plate in a mechanical supporting mode. The device further comprises a lifting mechanism. The lifting mechanism comprises a mounting plate, a telescopic part and a supporting plate; the oil pump, the tank body, the filter element membrane stack and other key components of the refined filtration device are orderly integrated on the base frame to form an integral structure, so that the integral transportation and movement are facilitated. In addition, due to the arrangement of trundles and a lifting mechanism, the fine filtration device can be flexibly switched between a moving state and a fixed state, it is ensured that the fine filtration device is convenient to disassemble and assemble, and the maintenance efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gear box fine filter device technical field, concretely relates to a wind power gear box fine filter device convenient to carry dismount. BACKGROUND

[0002] Gear box is the core component of wind turbine, and its operation state is directly related to the stability and reliability of the whole wind power system. According to statistics, 80% of gear box failures are related to oil pollution, therefore, lubricating oil plays a crucial role in the gear box system. The bypass fine filtration of wind turbine gear box, as a key measure to improve the performance of gear box and maintain the quality of oil, filters the lubricating oil of gear box through external circulation, effectively removes water, particles and oil sludge and other pollutants, thereby keeping the oil and oil circuit clean. This bypass fine filtration system not only improves the precision of the gear box filtration system, but also ensures that the lubricating components are fully protected, significantly reducing the wear of gear box bearings and gears. By preventing problems from occurring, this system effectively avoids wind farm downtime and gear box hoisting and repair, thereby greatly reducing the operation and maintenance cost of wind turbine throughout its life cycle.

[0003] The Chinese patent document with publication number CN214999302U provides a wind turbine gear box bypass online fine filtration system, which includes a filter cavity, an upper end cover, an end face flange, a handle, a pressure switch, a pressure gauge, a motor, an oil pump, a oil discharge port, a filter element overflow valve, a filter element mounting seat and a filter element. The motor is connected with the oil pump to provide power for the oil circulation in the filtration system. The oil pump is provided with pipelines at both ends, one end of which is connected with the filter cavity to realize the circulation filtration of oil. The oil discharge port is arranged at the lower end of the filter cavity to facilitate the discharge of internal pressure and impurities when replacing the filter element. The filter element overflow valve is installed at the top of the filter cavity to further enhance the stability and safety of the system. However, although this fine filtration system is powerful, the fine filtration device is usually not designed for a single wind turbine, and after completing the filtration task in one wind turbine, it needs to be moved to the next wind turbine for operation. During this process, the traditional fine filtration device has technical problems such as inconvenience in carrying and dismounting, which affects the work efficiency and operation and maintenance cost.

[0004] Therefore, in view of the many inconveniences of existing fine filtration devices in the process of carrying and dismounting, it is urgent to provide a wind power gear box fine filtration device convenient to carry and dismount to optimize the work process, improve the operation and maintenance efficiency and reduce the operation cost of wind farm. SUMMARY

[0005] In view of the problems in the related art, the utility model provides a wind power gear box fine filtration device convenient to carry and dismount to solve the technical problems of inconvenience in carrying and dismounting of existing fine filtration devices.

[0006] The technical scheme of the utility model is implemented as follows: a wind power gear box fine filter device convenient to carry and disassemble, including base frame, oil pump, tank body and filter core membrane stack arranged on the base frame, the input end of the oil pump is connected with oil inlet pipeline, the oil inlet pipeline and the wind power gear box are communicated with each other, the output end of the oil pump is communicated to the tank body, the tank body is equipped with filter core membrane stack for filtering, the tank body is also connected with oil outlet pipeline, and the oil outlet pipeline is communicated back to the wind power gear box,

[0007] The base frame includes base plate and stand body, the upper end surface of the base plate is vertically fixed with the stand body, the front and back sides of the stand body are respectively equipped with the oil pump and the tank body, the lower edge of the oil pump and the tank body and the upper end surface of the base plate have a distance, the lower end surface of the base plate is equipped with a plurality of casters, and the plurality of casters bear the base plate in a mechanical support form, the lower end surface of the base plate is also equipped with lifting mechanism, the lifting mechanism includes mounting plate, telescopic part and support plate, the upper end of the mounting plate is fixedly connected with the base plate, the lower end is equipped with the telescopic part, the telescopic part is connected with the support plate, and the support plate is in contact with or away from the ground,

[0008] When the fine filter device is moved, the telescopic part is retracted, and the lower edge of the support plate is higher than the lower edge of each caster, when the fine filter device is fixed, the telescopic part is extended, and the lower edge of the support plate is lower than the lower edge of each caster.

[0009] The utility model integrates the key components such as oil pump, tank body and filter core membrane stack of fine filter device in order on the base frame, forms a whole structure, and is convenient to carry and move as a whole. In addition, the setting of casters and lifting mechanism can flexibly switch the fine filter device in the moving and fixed state, ensure that the fine filter device can quickly complete the disassembly and assembly work when being moved to another wind turbine, and improve the maintenance efficiency.

[0010] As a further improvement of the above scheme, the telescopic part includes first connecting rod and second connecting rod, the first connecting rod and the second connecting rod are hingedly connected with each other and cross each other at the hinge points, each connecting rod is equipped with hinge end and sliding end, the hinge end of the first connecting rod is hingedly connected to the mounting plate, and the sliding end is slidingly connected to the support plate, the hinge end of the second connecting rod is hingedly connected to the support plate, and the sliding end is slidingly connected to the mounting plate, and the telescopic part further includes driving unit, and the driving unit is in transmission connection with the sliding end of the first connecting rod or the second connecting rod. The design that the first connecting rod and the second connecting rod cross each other at the hinge points makes the telescopic part more flexible in adjusting the lifting height during the telescoping process, allows a larger telescoping range to be realized in a smaller space, and thus improves the adaptability and flexibility of the whole lifting mechanism.

[0011] As a further improvement of the above scheme, the mounting plate and the support plate are each provided with a guide rod extending in the horizontal direction, and a sliding seat is sleeved on each guide rod; the sliding end of the first connecting rod is connected to the sliding seat of the support plate to form the sliding connection; and the sliding end of the second connecting rod is connected to the sliding seat of the mounting plate to form the sliding connection. The sliding connection mode ensures that the telescopic part can keep a smooth motion track during the telescopic process, and the sliding connection reduces the friction and resistance generated by the movement of the connecting rod, so that the lifting process is smooth and reliable.

[0012] As a further improvement of the above scheme, the driving unit comprises a screw rod, one end of the screw rod is provided with a power source, and the power source provides power for the rotation of the screw rod; the other end of the screw rod is threadedly connected with the sliding seat of the mounting plate or the support plate to drive the sliding seat to reciprocate along the axis direction of the guide rod.

[0013] As a further improvement of the above scheme, the power source is a hand wheel, the hand wheel is fixedly connected with the screw rod; the screw rod is provided with a fastening mechanism near the hand wheel; the fastening mechanism comprises a left clamping part and a right clamping part, and the left clamping part and the right clamping part jointly clamp the screw rod; one end of the left clamping part is fixedly connected with one end of the right clamping part, and the other ends of the two have a gap therebetween; and a fastener is further provided, which penetrates through the left clamping part and the right clamping part to adjust the gap therebetween. An adjustable gap is designed between the left clamping part and the right clamping part, and the gap size between the left clamping part and the right clamping part can be accurately controlled by adjusting the fastener, so that the fastening mechanism can tightly clamp and fix the screw rod, and the rotation of the screw rod is avoided, and the fixing of the lifting mechanism after lifting is reliable.

[0014] As a further improvement of the above scheme, the lifting mechanism is arranged at the middle part of the base plate, and each caster is distributed on the periphery of the lifting mechanism; the area of the mounting plate and the support plate is consistent, and is 2 / 3-3 / 4 of the area of the base plate. The lifting mechanism is arranged at the middle part of the base plate, and the center design helps to balance the center of gravity of the whole device, so that the device is lifted, and the shaking or tilting caused by the eccentric load is reduced, thereby ensuring the stable operation of the device under various working conditions. The mounting plate and the support plate are main load-bearing components, and the matching of the areas can ensure that the device has a uniform support surface when subjected to force, and local overload or stress concentration is avoided. At the same time, under the premise of ensuring sufficient supporting force, the material and space are maximized.

[0015] As a further improvement of the above scheme, the stand body comprises a vertical plate, the left and right sides of the vertical plate are respectively provided with a rib plate, and each rib plate is fixedly connected with a handrail; the upper part of the vertical plate is fixedly connected with the oil pump and the tank body; the lower part of the vertical plate is provided with a through groove, the output end of the oil pump is communicated to the tank body through the through groove, and the oil outlet pipeline of the tank body is communicated to the wind power gear box through the through groove. The upper part of the vertical plate is fixedly connected with the oil pump and the tank body, so that the oil pump and the tank body can be closely integrated to form a compact whole, thereby saving space and reducing the complexity and cost of the system; meanwhile, the lower part of the vertical plate is provided with a through groove, which enables the output end of the oil pump to be conveniently communicated to the tank body through the through groove, and the oil outlet pipeline of the tank body can also be communicated to the wind power gear box through the through groove. This communication mode not only simplifies the structure of the system, but also improves the transmission efficiency of the oil.

[0016] As a further improvement of the above scheme, the two ends of the oil pump are also connected in parallel with bypass valves, which can remove excess impurities and ensure normal lubrication of the engine; the oil inlet pipeline and the oil outlet pipeline are arranged on the same side of the fine filter device, and the pipeline design on the same side helps to optimize the use of space, so that the wind power gear box and the fine filter device can be more closely fitted during installation, thereby reducing unnecessary space waste. This is particularly important for wind power equipment with limited space, which can effectively reduce the floor area and installation cost of the overall equipment.

[0017] As a further improvement of the above scheme, the base plate is rectangular, and the circumferential edge of the base plate is provided with a folding plate extending in the vertical direction, the folding plate is fixedly provided with an ear, and the ear is distributed in a diagonal position. The arrangement of the folding plate is conducive to improving the structural strength of the base plate, and the ear facilitates hoisting of the fine filter device and improves the disassembly and assembly efficiency.

[0018] As a further improvement of the above scheme, it further comprises an auxiliary angle iron, the auxiliary angle iron comprises a first fixing part and a second fixing part arranged perpendicular to each other, and a reinforcing rib connecting the two; when the fine filter device is fixed, the lifting mechanism is lifted into place, the first fixing part of the auxiliary angle iron is fixedly connected with the ground, and the second fixing part is fixedly connected with the side wall of the folding plate. The design of the auxiliary angle iron forms a stable triangular support structure through the fixed connection of the first fixing part with the ground and the fixed connection of the second fixing part with the side wall of the folding plate, which further ensures the stability of the fine filter device during use and prevents displacement or tilting due to vibration or external force.

[0019] Advantages:

[0020] (1)Compact structure: The key components of the fine filter device, such as the oil pump, the tank body, and the filter core membrane stack, are orderly integrated on the base frame to form an overall structure, which is convenient for overall carrying and moving. The vertical fixation of the base plate and the stand body makes the structure compact and enhances the stability, so that the fine filter device is not easy to be damaged during carrying.

[0021] (2)Convenient disassembly and assembly: The lower end surface of the base plate is provided with a plurality of casters, which is beneficial to the movement of the fine filter device and improves the carrying efficiency. At the same time, the setting of the lifting mechanism enables flexible switching of the fine filter device in the moving and fixed states. When the device needs to be moved, the telescopic part is retracted, and the lower edge of the support plate is higher than the lower edge of the caster to avoid friction with the ground, which is convenient for moving. When the device needs to be fixed, the telescopic part is extended, and the lower edge of the support plate is lower than the lower edge of each caster, so that the support plate is in contact with the ground to provide additional support force to ensure the stability of the device in the fixed state. When the fine filter device is moved to another wind turbine, the disassembly and assembly can be quickly completed, and the maintenance efficiency is improved. At the same time, the design of the lifting mechanism also facilitates height adjustment of the device during disassembly and assembly to adapt to different working environments and requirements. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a perspective view of the utility model;

[0023] Figure 2 It is a front view of the utility model;

[0024] Figure 3 It is a side view of the utility model;

[0025] Figure 4 It is a top view of the utility model;

[0026] Figure 5 It is a perspective view of the lifting mechanism of the utility model;

[0027] Figure 6 It is another perspective view of the lifting mechanism of the utility model;

[0028] Figure 7 It is a working schematic view of the lifting mechanism of the utility model;

[0029] Figure 8 It is an installation schematic view of the utility model.

[0030] Reference signs:

[0031] 1, base frame;

[0032] 11, base plate; 111, folding plate; 112, lifting lug;

[0033] 12, stand body; 121, vertical plate; 122, rib plate; 123, handrail; 124, through slot;

[0034] 2. Oil pump;

[0035] 3. Tank body;

[0036] 4. Oil inlet pipeline;

[0037] 5. Oil outlet pipeline;

[0038] 6. Bypass valve;

[0039] 7. Casters;

[0040] 8. Lifting mechanism; 8a. Guide rod; 8b. Slide;

[0041] 81. Mounting plate;

[0042] 82. Telescopic part; 821. First connecting rod; 822. Second connecting rod; D1. Hinge end; D2. Sliding end;

[0043] 83. Support plate;

[0044] 84. Drive unit; 841. Screw; 842. Power source;

[0045] 85. Fastening mechanism; 851. Left clamping part; 852. Right clamping part; 853. Clearance; 854. Fastener;

[0046] 9. Auxiliary angle iron; 91. First fixing part; 92. Second fixing part; 93. Reinforcing rib. Detailed Implementation

[0047] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0048] like Figures 1-8 As shown, this embodiment provides a wind turbine gearbox fine filtration device that is easy to transport and disassemble, including a base frame 1, and an oil pump 2, a tank 3, and a filter membrane stack (not shown) mounted on the base frame 1; the input end of the oil pump 2 is connected to an oil inlet pipe 4, which is interconnected with the wind turbine gearbox (not shown); the output end of the oil pump 2 is connected to the tank 3, and the tank 3 is equipped with a filter membrane stack for filtration; the tank 3 is also connected to an oil outlet pipe 5, which is connected back to the wind turbine gearbox;

[0049] The base frame 1 comprises a base plate 11 and a stand body 12; the upper end surface of the base plate 11 is vertically fixed with the stand body 12; the front and rear sides of the stand body 12 are respectively provided with the oil pump 2 and the tank body 3; wherein the lower edge of the oil pump 2 and the tank body 3 has a distance from the upper end surface of the base plate 11; in this embodiment, the stand body 12 comprises a stand plate 121, the left and right sides of the stand plate 121 are respectively provided with a rib plate 122, and each rib plate 122 is fixedly connected with a handrail 123; the upper part of the stand plate 121 is fixedly connected with the oil pump 2 and the tank body 3; the lower part of the stand plate 121 is provided with a through groove 124, the output end of the oil pump 2 is communicated to the tank body 3 through the through groove 124, and the oil outlet pipeline 5 of the tank body 3 is communicated to the wind power gear box through the through groove 124. The upper part of the stand plate 121 is fixedly connected with the oil pump 2 and the tank body 3, so that the oil pump 2 and the tank body 3 can be closely integrated together to form a compact whole, saving space and reducing the complexity and cost of the system; at the same time, the lower part of the stand plate 121 is provided with a through groove 124, which makes the output end of the oil pump 2 conveniently communicated to the tank body 3 through the through groove 124, and the oil outlet pipeline 5 of the tank body 3 can also be communicated to the wind power gear box through the through groove 124. This communication mode not only simplifies the structure of the system, but also improves the transmission efficiency of the oil.

[0050] In this embodiment, the two ends of the oil pump 2 are also connected in parallel with a bypass valve 6, the setting of the bypass valve 6 can exclude excess impurities and ensure normal lubrication of the engine; when the pressure in the fine filter device is too high, the bypass valve 6 will automatically open, guiding part of the lubricating oil to the oil return line, thereby reducing the pressure and preventing equipment damage or oil leakage caused by excessive pressure.

[0051] The oil inlet pipeline 4 and the oil outlet pipeline 5 are both arranged on the same side of the fine filter device, and the pipeline design on the same side helps to optimize the use of space, so that the wind power gear box and the fine filter device can be more closely fitted during installation, reducing unnecessary space waste. This is particularly important for wind power equipment with limited space, which can effectively reduce the floor area and installation cost of the overall equipment.

[0052] In this embodiment, the base plate 11 is rectangular, and the circumferential edge of the base plate 11 is provided with a folding plate 111 extending in the vertical direction, and the folding plate 111 is fixedly provided with an ear 112, and the ears 112 are distributed in diagonal positions. The setting of the folding plate 111 is conducive to improving the structural strength of the base plate 11, and the ears 112 facilitate the hoisting of the fine filter device and improve the disassembly efficiency.

[0053] The lower end surface of the base plate 11 is provided with a plurality of casters 7, and the plurality of casters 7 bear the base plate 11 in a form consistent with mechanical support; in this embodiment, the plurality of casters 7 are arranged at the four corner positions of the base plate 11 and jointly bear the base plate 11.

[0054] The lower end surface of the substrate 11 is further provided with a lifting mechanism 8, which comprises a mounting plate 81, an extension part 82 and a supporting plate 83; wherein the upper end of the mounting plate 81 is fixedly connected with the substrate 11, the lower end is provided with the extension part 82, the extension part 82 is connected with the supporting plate 83, the supporting plate 83 is in contact with or away from the ground, and the ground refers to the target position plane where the fine filtering device is installed.

[0055] When the fine filtering device is moved, the extension part 82 is retracted, and the lower edge of the supporting plate 83 is higher than the lower edge of each caster 7; when the fine filtering device is fixed, the extension part 82 is extended, and the lower edge of the supporting plate 83 is lower than the lower edge of each caster 7.

[0056] In the embodiment, the extension part 82 comprises a first connecting rod 821 and a second connecting rod 822, the first connecting rod 821 and the second connecting rod 822 are hinged to each other and cross each other at the hinge points; each connecting rod is provided with a hinge end D1 and a sliding end D2; wherein the hinge end D1 of the first connecting rod 821 is hinged to the mounting plate 81, and the sliding end D2 thereof is slidingly connected with the supporting plate 83; the hinge end D1 of the second connecting rod 822 is hinged to the supporting plate 83, and the sliding end D2 thereof is slidingly connected with the mounting plate 81; further comprising a driving unit 84, which is in transmission connection with the sliding end D2 of the first connecting rod 821 or the second connecting rod 822. The design that the first connecting rod 821 and the second connecting rod 822 cross each other at the hinge points makes the extension part 82 more flexible in adjusting the lifting height during the extension and retraction process, allowing a larger extension and retraction range in a smaller space, thereby improving the adaptability and flexibility of the entire lifting mechanism 8.

[0057] In the embodiment, the mounting plate 81 and the supporting plate 83 are each provided with a guide rod 8a extending in the horizontal direction, and a sliding seat 8b is sleeved on each guide rod 8a; the sliding end D2 of the first connecting rod 821 is connected to the sliding seat 8b of the supporting plate 83, forming the sliding connection; the sliding end D2 of the second connecting rod 822 is connected to the sliding seat 8b of the mounting plate 81, forming the sliding connection. The sliding connection mode ensures that the extension part 82 can maintain a stable motion trajectory during the extension and retraction process, and the sliding connection reduces the friction and resistance generated by the movement of the connecting rod, making the lifting process smooth and reliable.

[0058] In the embodiment, the driving unit 84 comprises a screw rod 841, one end of the screw rod 841 is provided with a power source 842, the power source 842 provides power for the rotation of the screw rod 841; the other end of the screw rod 841 is threadedly connected with the sliding seat 8b of the mounting plate 81 or the supporting plate 83, so as to drive the sliding seat 8b to reciprocate along the axis direction of the guide rod 8a. In the embodiment, the power source 842 is a hand wheel, the hand wheel is fixedly connected with the screw rod 841; the other end of the screw rod 841 is in transmission connection with the sliding seat 8b of the mounting plate 81.

[0059] The screw rod 841 is provided with a fastening mechanism 85 near the hand wheel; the fastening mechanism 85 comprises a left clamping part 851 and a right clamping part 852, the left clamping part 851 and the right clamping part 852 jointly clamp the screw rod 841; wherein one end of the left clamping part 851 is fixedly connected with one end of the right clamping part 852, and the other ends of the two have a gap 853 therebetween; further comprising a fastener 854, the fastener 854 passes through the left clamping part 851 and the right clamping part 852, so as to adjust the gap 853 therebetween. The left clamping part 851 and the right clamping part 852 are designed to have an adjustable gap 853 therebetween, by adjusting the fastener 854, the gap 853 therebetween can be accurately controlled, so as to ensure that the fastening mechanism 85 can tightly clamp and fix the screw rod 841, and avoid the rotation of the screw rod 841, and ensure that the lifting mechanism 8 is fixed reliably after being lifted into place.

[0060] In the embodiment, the lifting mechanism 8 is arranged at the middle part of the base plate 11, and each caster 7 is distributed at the circumferential side of the lifting mechanism 8; the areas of the mounting plate 81 and the supporting plate 83 are consistent, and are 2 / 3-3 / 4 of the area of the base plate 11. The lifting mechanism 8 is arranged at the middle part of the base plate 11, and the center design helps to balance the gravity center of the whole device, so that the device is lifted, and the shaking or tilting caused by the eccentric load is reduced, thereby ensuring the stable operation of the device under various working conditions. The mounting plate 81 and the supporting plate 83 are main load-bearing components, and the area matching can ensure that the device has a uniform support surface when being stressed, and avoid local overload or stress concentration. At the same time, under the premise of ensuring sufficient supporting force, the area ratio can maximize the saving of materials and space.

[0061] In the embodiment, the auxiliary angle iron 9 is also included, which comprises a first fixing part 91 and a second fixing part 92 arranged perpendicularly to each other, and a reinforcing rib 93 connecting the two; when the fine filter device is fixed, the lifting mechanism 8 is lifted into place, the first fixing part 91 of the auxiliary angle iron 9 is fixedly connected with the ground, and the second fixing part 92 is fixedly connected with the side wall of the folding plate 111. The design of the auxiliary angle iron 9 forms a stable triangular support structure through the fixed connection of the first fixing part 91 with the ground and the fixed connection of the second fixing part 92 with the side wall of the folding plate 111, further ensuring the stability of the fine filter device in use and preventing displacement or tilting due to vibration or external force.

[0062] Through the above scheme of the utility model, in specific application: the key components of the fine filter device such as the oil pump 2, the tank body 3 and the filter core membrane stack are orderly integrated on the base frame 1, forming a whole structure, which is convenient for overall carrying and moving. The lower end surface of the base plate 11 is provided with a plurality of casters 7, which is beneficial to the movement of the fine filter device and improves the carrying efficiency; at the same time, the setting of the lifting mechanism 8 enables the fine filter device to be flexibly switched between the moving and fixed states.

[0063] When the device needs to be moved, the connection of the wind power gear box with the oil inlet pipeline and the oil outlet pipeline is removed. Rotate the hand wheel, the telescopic part 82 is retracted, the lower edge of the supporting plate 83 is higher than the lower edge of the caster 7, avoiding friction with the ground, and facilitating movement. When the device needs to be fixed, the telescopic part 82 is extended and locked with the fastening mechanism 85, the lower edge of the supporting plate 83 is lower than the lower edge of each caster 7, so that the supporting plate 83 is in contact with the ground, providing additional support force to ensure the stability of the device in the fixed state, and realizing the connection of the wind power gear box with the oil inlet pipeline and the oil outlet pipeline, ensuring that when the fine filter device is moved to another wind turbine, the disassembly and assembly work can be quickly completed, improving the maintenance efficiency. At the same time, the design of the lifting mechanism 8 also facilitates height adjustment of the device during disassembly and assembly to adapt to different working environments and requirements.

[0064] According to the disclosure and teaching of the above description, those skilled in the art of the utility model can also make changes and modifications to the above embodiments. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the utility model should fall within the protection scope of the claims of the utility model. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the utility model.

Claims

1. A wind turbine gearbox fine filter device convenient to carry and disassemble, comprising a base frame, an oil pump, a tank body and a filter core membrane stack arranged on the base frame; an oil inlet pipeline is connected to an input end of the oil pump, and the oil inlet pipeline and a wind turbine gearbox are in communication with each other; an output end of the oil pump is communicated to the tank body, and the tank body is internally provided with a filter core membrane stack for filtering; the tank body is further connected with an oil outlet pipeline, and the oil outlet pipeline is communicated back to the wind turbine gearbox; characterized in that: the base frame comprises a base plate and a stand body; the stand body is vertically and fixedly arranged on an upper end surface of the base plate; the oil pump and the tank body are respectively arranged on the front and rear sides of the stand body; wherein the oil pump and the tank body are spaced apart from the upper end surface of the base plate; a plurality of casters are arranged on a lower end surface of the base plate, and the casters bear the base plate in a mechanical support form; the lower end surface of the base plate is further provided with a lifting mechanism, and the lifting mechanism comprises a mounting plate, an extension part and a support plate; wherein the upper end of the mounting plate is fixedly connected with the base plate, the lower end of the mounting plate is provided with the extension part, the extension part is connected with the support plate, and the support plate is in abutment with or away from the ground; when the fine filter device is moved, the extension part is retracted, and the lower edge of the support plate is higher than the lower edge of each caster; when the fine filter device is fixed, the extension part is extended, and the lower edge of the support plate is lower than the lower edge of each caster.

2. The wind turbine gearbox fine filter device according to claim 1, characterized in that, the extension part comprises a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are hingedly connected with each other and cross each other at a hinge point; each connecting rod is provided with a hinged end and a sliding end; wherein the hinged end of the first connecting rod is hingedly connected to the mounting plate, and the sliding end of the first connecting rod is slidingly connected with the support plate; the hinged end of the second connecting rod is hingedly connected to the support plate, and the sliding end of the second connecting rod is slidingly connected with the mounting plate; further comprising a driving unit, the driving unit is in transmission connection with the sliding end of the first connecting rod or the second connecting rod.

3. The wind turbine gearbox fine filter device according to claim 2, characterized in that, the mounting plate and the support plate are each provided with a guide rod extending in a horizontal direction, and a sliding seat is sleeved on each guide rod; the sliding end of the first connecting rod is connected to the sliding seat of the support plate, forming the sliding connection; the sliding end of the second connecting rod is connected to the sliding seat of the mounting plate, forming the sliding connection.

4. The wind turbine gearbox fine filter device according to claim 3, characterized in that, the driving unit comprises a screw rod, one end of the screw rod is provided with a power source, and the power source provides power for rotation of the screw rod; the other end of the screw rod is in threaded connection with the sliding seat of the mounting plate or the support plate, so as to drive the sliding seat to reciprocatingly move along the axis direction of the guide rod.

5. The wind turbine gearbox fine filter device according to claim 4, characterized in that, the power source is a hand wheel, the hand wheel is fixedly connected with the screw rod; the screw rod is provided with a fastening mechanism near the hand wheel; the fastening mechanism comprises a left clamping part and a right clamping part, and the left clamping part and the right clamping part jointly clamp the screw rod; wherein one end of the left clamping part is fixedly connected with one end of the right clamping part, and the other ends of the left clamping part and the right clamping part are spaced apart; further comprising a fastener, the fastener passes through the left clamping part and the right clamping part, so as to adjust the gap between the left clamping part and the right clamping part.

6. The wind turbine gearbox fine filter device according to claim 5, characterized in that, the lifting mechanism is arranged at the middle part of the base plate, and each caster is distributed on the circumferential side of the lifting mechanism; the areas of the mounting plate and the support plate are consistent, and are 2 / 3-3 / 4 of the area of the base plate.

7. The wind turbine gearbox fine filter device according to claim 1, characterized in that, The stand body comprises a vertical plate, the left and right sides of the vertical plate are each provided with a rib plate, each rib plate is fixedly connected with a handrail; the upper part of the vertical plate is fixedly connected with an oil pump and a tank body; the lower part of the vertical plate is provided with a through slot, the output end of the oil pump is communicated to the tank body through the through slot, and the oil outlet pipeline of the tank body is communicated to the wind power gear box through the through slot.

8. The wind turbine gearbox fine filter device according to claim 7, characterized in that, Both ends of the oil pump are also connected with bypass valves in parallel; the oil inlet pipeline and the oil outlet pipeline are arranged on the same side of the fine filter device.

9. The wind turbine gearbox fine filter device according to claim 1, characterized in that, The base plate is rectangular, the circumferential edge of the base plate is provided with a folding plate extending in the vertical direction, a lifting lug is fixedly arranged on the folding plate, and the lifting lug is distributed in a diagonal position.

10. The wind turbine gearbox fine filter device according to claim 9, wherein, The auxiliary angle iron comprises a first fixing part and a second fixing part arranged perpendicularly to each other and a reinforcing rib connecting the two; when the fine filter device is fixed, the lifting mechanism is lifted into place, the first fixing part of the auxiliary angle iron is fixedly connected with the ground, and the second fixing part is fixedly connected with the side wall of the folding plate.

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