Wind power gear box filter element
By designing a multi-layer filter ring structure for wind turbine gearboxes, the problem of incomplete removal of impurities from lubricating oil has been solved, improving the cleanliness of the lubricating oil and reducing gearbox wear and failure rate.
Patent Information
- Application Number
- CN202520466751.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Existing gearbox filter elements cannot effectively remove impurities from lubricating oil, leading to a decline in lubricating oil performance and affecting the wear of internal gearbox components and equipment failure rate.
A wind turbine gearbox filter element is designed, which adopts a multi-layer filter ring structure. The filtration accuracies of filter ring A, filter ring B and filter ring C are 50μm, 40μm and 30μm respectively. They are fixedly connected by fluororubber sheets, combined with a sealing cover and an oil drain pipe to achieve multi-stage filtration.
It improves the purity of the lubricating oil, reduces wear on internal gearbox components, and lowers the equipment failure rate.
Smart Images

Figure CN223578802U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gear box lubricating system technical field, concretely related to a wind power gear box filter element. BACKGROUND
[0002] The lubricating oil is continuously polluted by metal particles, dust, moisture and other impurities during the operation of the gear box. If these impurities are not removed in time, the performance of the lubricating oil will be seriously affected, and the cleanliness will be reduced. Through the filtering system, these pollutants can be effectively removed to maintain the cleanliness of the oil and prevent the impurities from damaging the internal components of the gear box. Clean lubricating oil can better play a lubricating role and reduce the wear of the internal components of the gear box, thereby reducing the failure rate of the equipment.
[0003] The current gear box filter element is composed of a glass fiber layer integrated on the filter element cylinder. The lubricating oil is filtered through a single layer of glass fiber layer. The lubricating oil passes through the filter element cylinder quickly, and the lubricating oil cannot be fully filtered. Therefore, the wind power gear box filter element is proposed. SUMMARY
[0004] In view of the above technical problems in the related art, the utility model provides a wind power gear box filter element, which can solve the above problems.
[0005] To achieve the above technical purposes, the technical scheme of the utility model is as follows:
[0006] A wind power gear box filter element, comprising an outer cylinder, a filter element inner cavity arranged in the outer cylinder, a filter element ring fixed vertically to the outer circumference of the filter element inner cavity, the filter element inner cavity comprising an oil inlet pipe, a sealing cover fixed to the top of the oil inlet pipe, and a sieve hole base fixed to the bottom of the oil inlet pipe, the oil inlet pipe is provided with oil infiltration holes on the outer circumference, the bottom of the oil inlet pipe is closed, and a plurality of separation ring seats are fixed vertically and equidistantly on the outer circumference of the oil inlet pipe, one filter element ring is embedded between any two adjacent separation ring seats.
[0007] The sealing cover is fixed to the top end of the outer cylinder, the bottom of the outer cylinder is provided with an oil discharge pipe, and a plurality of sieve holes are arranged around the surface of the sieve hole base.
[0008] Further, the filter element ring is embedded between the sealing cover and the topmost separation ring seat, and between the sieve hole base and the bottommost separation ring seat.
[0009] Further, the filter element ring comprises filter element ring A, filter element ring B and filter element ring C arranged concentrically from inside to outside.
[0010] Further, the filter element ring A, the filter element ring B and the filter element ring C are fixedly connected by fluorine rubber sheets.
[0011] Further, the filter precision of the filter ring A, the filter ring B and the filter ring C is 50 μm, 40 μm and 30 μm in sequence.
[0012] Further, the resistance ring is integrally formed at the bottom of the inner wall of the outer cylinder, and the bottom end of the sieve hole base is supported on the top of the resistance ring when the sealing cover is fixed on the top end of the outer cylinder.
[0013] The beneficial effects of the utility model are as follows: the device of the application is vertically installed with multiple filter rings in the filter core inner cavity, can provide multiple oil filtering channels, and the filtered lubricating oil is discharged from the sieve holes and the oil discharge pipe, and in combination with the design of three layers of different filter precision of the filter rings, the impurities in the lubricating oil can be fully filtered, and the purity of the lubricating oil of the gear box is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.
[0015] The utility model will be further described in detail according to the drawings.
[0016] Figure 1 It is the assembly schematic view of filter core inner cavity and filter ring;
[0017] Figure 2 It is the external structure schematic view of gear box filter core;
[0018] Figure 3 It is the internal structure schematic view of gear box filter core;
[0019] Figure 4 It is the structure schematic view of filter core inner cavity;
[0020] Figure 5 It is the structure schematic view of filter ring.
[0021] In the drawings:
[0022] 1, outer cylinder; 101, oil discharge pipe; 102, resistance ring; 2, filter core inner cavity; 201, oil inlet pipe; 202, sealing cover; 203, separation ring seat; 204, oil seepage hole; 205, sieve hole base; 206, sieve hole; 3, filter ring; 301, filter ring A; 302, filter ring B; 303, filter ring C; 304, fluorine rubber sheet. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art belong to the scope of the present application.
[0024] As shown in the drawings, Figures 1-5 According to the present application, a kind of wind power gear box filter element is disclosed, including outer cylinder 1, the filter element inner cavity 2 of filter element inner cavity 2 including oil inlet pipe 201, the sealing cover 202 of being fixed to the top of oil inlet pipe 201, the sieve hole base 205 of being fixed to the bottom of oil inlet pipe 201, oil inlet pipe 201 circumferential surface is provided with oil seepage hole 204, the bottom of oil inlet pipe 201 is closed, oil inlet pipe 201 outer circumferential surface is vertically equidistant fixedly set with several partition ring seat 203, one filter element ring 3 is inlaid and set between adjacent two partition ring seat 203, filter element ring 3 is inlaid and set between sealing cover 202 and the most top partition ring seat 203, sieve hole base 205 and the most bottom partition ring seat 203 between;
[0025] Sealing cover 202 is fixed to the top of outer cylinder 1, and oil discharge pipe 101 is communicated and arranged at the bottom of outer cylinder 1, and a plurality of sieve holes 206 are arranged around the surface of sieve hole base 205.
[0026] Example one: filter element inner cavity 2 material is stainless steel material, filter element ring 3 is integrally made of glass fiber material, filter element ring A 301, filter element ring B 302 and filter element ring C 303 are separated and supported by fluorine rubber sheet 304, filter element ring 3 is integrated between sealing cover 202 and the most top partition ring seat 203, between adjacent two partition ring seat 203 and between the most bottom partition ring seat 203 and sieve hole base 205, filter element inner cavity 2 is directly embedded in the inside of outer cylinder 1, sealing cover 202 and outer cylinder 1 are sealed and installed by bolt and sealing ring mounting process, the distance between filter element ring 3 and the inner wall of outer cylinder 1 is 20mm, sieve hole base 205 is supported above abutment ring 102 when sealing cover 202 is attached to outer cylinder 1, the diameter of sieve hole 206 is 10mm, and the diameter of oil seepage hole 204 is 15mm.
[0027] In the preferred technical solution, the filter core ring 3 comprises filter core ring A 301, filter core ring B 302 and filter core ring C 303 arranged concentrically from inside to outside in sequence, and the filter core ring A 301, the filter core ring B 302 and the filter core ring C 303 are fixedly connected through the fluororubber sheet 304, the fluororubber sheet 304 has good oil resistance and stable chemical properties, the filtering precision of the filter core ring A 301, the filter core ring B 302 and the filter core ring C 303 is 50 μm, 40 μm and 30 μm in sequence, and the filtering precision of the filter core ring A 301, the filter core ring B 302 and the filter core ring C 303 is different and increases from inside to outside, so that the three-stage filtering can improve the effect of purifying impurities.
[0028] In the preferred technical solution, the resistance ring 102 is integrally formed on the inner wall bottom of the outer cylinder body 1, the bottom end of the sieve base 205 is supported on the top of the resistance ring 102 when the sealing cover 202 is fixed on the top end of the outer cylinder body 1, and the resistance ring 102 assists in supporting the filter core inner cavity 2, thereby improving the installation stability.
[0029] In specific use, the filter core inner cavity 2 is directly embedded in the inside of the outer cylinder body 1, the sealing cover 202 and the outer cylinder body 1 are sealed and installed through the mounting process of the bolts and the sealing ring, the lubricating oil of the gear box is input to the inlet of the oil inlet pipe 201 through the pump body, the lubricating oil passes through the oil permeation holes 204 and the filter core ring 3, and the purified lubricating oil after three-stage filtering flows to the surface of the sieve base 205 from the gap between the filter core inner cavity 2 and the inner wall of the outer cylinder body 1, the lubricating oil is discharged from the sieve holes 206 and the oil discharge pipe 101, and the lubricating oil is returned to the gear box through the circuit, so that the purification function of the lubricating oil of the gear box is realized.
[0030] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A wind turbine gearbox filter cartridge, characterized in that, The application relates to a filter element, which comprises an outer cylinder (1), a filter element inner cavity (2) sleeved in the outer cylinder (1), and filter element rings (3) fixed vertically on the outer circumferential surface of the filter element inner cavity (2), wherein the filter element inner cavity (2) comprises an oil inlet pipe (201), a sealing cover (202) fixed on the top of the oil inlet pipe (201), and a sieve hole base (205) fixed on the bottom of the oil inlet pipe (201); oil permeation holes (204) are formed in the circumferential surface of the oil inlet pipe (201); the bottom of the oil inlet pipe (201) is closed; a plurality of separation ring bases (203) are fixed vertically and equidistantly on the outer circumferential surface of the oil inlet pipe (201); and one filter element ring (3) is embedded between any two adjacent separation ring bases (203). The sealing cover (202) is fixed on the top end of the outer cylinder (1); an oil discharge pipe (101) is arranged at the bottom of the outer cylinder (1) in a communication mode; and a plurality of sieve holes (206) are formed around the surface of the sieve hole base (205).
2. A wind turbine gearbox filter element according to claim 1, characterised in that, The filter element rings (3) are embedded between the topmost separation ring base (203) and the sealing cover (202) and between the sieve hole base (205) and the bottommost separation ring base (203).
3. A wind turbine gearbox filter element according to claim 2, characterised in that, The filter element ring (3) comprises a filter element ring A (301), a filter element ring B (302) and a filter element ring C (303) which are arranged concentrically from inside to outside.
4. A wind turbine gearbox filter element according to claim 3, characterised in that, The filter element ring A (301), the filter element ring B (302) and the filter element ring C (303) are fixedly connected through fluorine rubber sheets (304).
5. A wind turbine gearbox filter element according to claim 4, characterised in that, The filter precision of the filter element ring A (301), the filter element ring B (302) and the filter element ring C (303) is 50 mu m, 40 mu m and 30 mu m respectively.
6. A wind turbine gearbox filter element according to claim 1, characterized in that An abutment ring (102) is integrally formed on the bottom of the inner wall of the outer cylinder (1); and when the sealing cover (202) is fixed on the top end of the outer cylinder (1), the sieve hole base (205) is supported on the top of the abutment ring (102).