CN216715199U

CN216715199U - Double-filter integrated valve block assembly for wind power gear box lubricating system

Info

Publication number: CN216715199U
Application number: CN202220201001.2U
Authority: CN
Inventors: 刘保俊; 赵书敏; 霍明莉
Original assignee: Mintai Hydraulics Shanghai Co ltd
Current assignee: Mintai Hydraulics Shanghai Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-06-10
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses a double-filter integrated valve block assembly for a wind power gear box lubricating system, which comprises: the integrated valve block assembly is of a cuboid structure, and an oil inlet and an oil outlet are formed in the side surface and the top surface of the integrated valve block assembly; the integrated valve transition block is two circular rings with the same size and dimension and is arranged on the top surface of the integrated valve block component; two annular grooves are respectively arranged at the circle centers of the integrated valve transition blocks on the integrated valve block assembly; the cylinder filter is arranged on the integrated valve transition block, a filter element is arranged in the cylinder filter, and the top end of the cylinder filter is provided with a filter cover; the oil inlet is communicated with each cylinder filter through an oil inlet pipeline and is used for inputting oil liquid to be filtered into each cylinder filter; the oil outlet is communicated with each cylinder filter through an oil outlet pipeline and is used for outputting oil liquid filtered by each cylinder filter. The utility model has the advantages of convenient disassembly, easy maintenance and good stability.

Description

Double-filter integrated valve block assembly for wind power gear box lubricating system

Technical Field

The utility model relates to the field of machinery, in particular to a double-filter integrated valve block assembly for a wind power gear box lubricating system.

Background

A filter valve block assembly of a gearbox lubricating system in a wind generating set plays a role in filtering lubricating oil in a gearbox, and is a key component in the gearbox lubricating system. During the filtering process of the filter, impurities in the lubricating oil of the gear box inevitably adhere to the filter element, so that the filter element needs to be maintained and replaced regularly.

However, the aluminum cylinder body and the aluminum filter head of the existing double-filter valve block assembly are made of the same material, so that the occlusion is easy to occur for a long time, and the disassembly is very difficult.

On the basis of the existing double-filter integrated valve block assembly, the double-filter integrated valve block assembly improves the use convenience, is not easy to engage and is convenient to disassemble by improving the material of the connecting structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-filter integrated valve block assembly for a wind power gearbox lubricating system, which is used for meeting the use requirements of filter filtration and periodic maintenance and disassembly and solving the problems and the limitations in the prior art.

To achieve the above object, the present invention provides a dual filter integrated valve block assembly for a wind turbine gearbox lubrication system, comprising: the integrated valve block assembly is of a cuboid structure, and an oil inlet and an oil outlet are formed in the side surface and the top surface of the integrated valve block assembly; the integrated valve transition block is two circular rings with the same size and dimension and is arranged on the top surface of the integrated valve block component; two annular grooves are respectively arranged at the circle centers of the integrated valve transition blocks on the integrated valve block assembly; the cylinder filter is arranged on the integrated valve transition block, a filter element is arranged in the cylinder filter, and the top end of the cylinder filter is provided with a filter cover; the oil inlet is communicated with each cylinder filter through an oil inlet pipeline and is used for inputting oil liquid to be filtered into each cylinder filter; the oil outlet is communicated with each cylinder filter through an oil outlet pipeline and is used for outputting oil liquid filtered by each cylinder filter.

Preferably, the integrated valve block assembly is made of aluminum, the integrated valve transition block is made of carbon steel, and the cylinder filter is made of aluminum.

Specifically, the oil inlet includes: the first oil inlet is formed in one side face of the integrated valve block assembly, which has a larger area; the second oil inlet is arranged on one side surface of the integrated valve block assembly with a larger area and is arranged adjacent to the first oil inlet; the third oil inlets are arranged at the bottom of one groove of the integrated valve block assembly; and the fourth oil inlets are formed in the bottom of the other groove of the integrated valve block assembly.

Specifically, the oil outlet includes: the first oil outlet is arranged at the center of a circle of the middle of the integrated valve transition block provided with the third oil inlet; the second oil outlet is arranged on the side surface, close to the first oil inlet, of the integrated valve block assembly; the third oil outlet is arranged on one side surface of the integrated valve block assembly with a larger area and is arranged at equal intervals with the first oil inlet and the second oil inlet; and the fourth oil outlet is arranged at the center of the integrated valve transition block provided with the fourth oil inlet.

The first oil inlet and the second oil inlet are communicated through an oil inlet pipeline and then communicated with two third oil inlets and two fourth oil inlets so as to be communicated with the two barrel filters; and the two cylinder filters are respectively communicated with an oil outlet pipeline through the first oil outlet and the fourth oil outlet, and the oil outlet pipeline is respectively communicated with the second oil outlet and the third oil outlet.

Further, still be provided with first check valve and second check valve in the integrated valve piece subassembly, strike motor wheel pump and mechanical pump when can preventing fluid backward flow: the first check valve is arranged on the oil inlet pipeline of the first oil inlet; and the second one-way valve is arranged on the oil inlet pipeline of the second oil inlet.

Further, still be provided with two temperature-sensing valves in the integrated valve piece subassembly, parallelly connected the setting on the oil outlet pipeline with third oil-out intercommunication, can be according to the flow proportion of the following two way fluid of fluid temperature change control: one path of oil flows out of the second oil outlet, enters the cooler for cooling and then enters the gear box distributor; and the other path of oil flows out of the third oil outlet and directly enters the gear box distributor.

Furthermore, two test joints are also arranged in the integrated valve block assembly and are respectively arranged on an oil inlet pipeline and an oil outlet pipeline of the integrated valve block assembly; a hose is adopted to connect the test connector and the pressure gauge and is used for detecting the oil inlet pressure and the oil outlet pressure of the integrated valve block assembly; and the testing connector and the particle counter are connected by a hose and used for detecting the oil inlet cleanliness and the oil outlet cleanliness of the integrated valve block assembly.

Furthermore, an overflow pipeline is also arranged in the integrated valve block assembly, one end of the overflow pipeline is respectively communicated with the first oil inlet and the second oil inlet, and the other end of the overflow pipeline is provided with an overflow port communicated with the outside of the integrated valve block assembly; an overflow valve is arranged at the overflow port of the overflow pipeline and plays a role of pressure stabilization and overflow.

Further, still be provided with the ball valve in the integrated valve piece subassembly, the ball valve feeds through with the oil inlet pipe way after first check valve and the mixture of second check valve for discharge filter core and the lubricating oil in the integrated valve piece subassembly. Compared with the prior art, the utility model has the following beneficial effects:

1. the aluminum cylinder filter and the steel integrated valve transition block are adopted, are made of different materials, are not easy to be occluded and are easy to disassemble and replace.

2. The utility model integrates the check valve, the overflow valve and the temperature control valve into one valve block, and directly installs the filter on the integrated valve block, so that the whole filtering system has compact structure, small occupied area, tidiness and beauty, convenient assembly and maintenance, good stability and difficult leakage.

3. The diameter of the pore passage of the oil circuit connection between the control valves in the aluminum integrated valve block assembly is large, the length of the pore passage is short, and when a system runs, the pressure loss is small, the heat generation is small, and the efficiency is high.

4. The utility model can change the position of the oil port of the integrated valve block according to the difference of the positions of the gear box interfaces, thereby facilitating the design of subsequent pipelines.

Drawings

FIG. 1 is a schematic view of a dual filter integrated valve block assembly of the present invention;

FIG. 2 is a schematic view of the aluminum integrated valve block assembly structure and oil inlet and outlet paths of the present invention;

FIG. 3 is a schematic cross-sectional view of an aluminum integrated valve block assembly of the present invention;

fig. 4 is a schematic diagram of different flow paths of the oil controlled by the thermostatic valve of the present invention.

Detailed Description

The technical contents, construction features, attained objects and effects of the present invention will be described in detail through preferred embodiments with reference to the accompanying drawings.

It should be noted that the drawings are simplified in form and not to precise scale, and are only used for convenience and clarity to assist in describing the embodiments of the present invention, but not for limiting the conditions of the embodiments of the present invention, and therefore, the present invention is not limited by the technical spirit, and any structural modifications, changes in the proportional relationship, or adjustments in size, should fall within the scope of the technical content of the present invention without affecting the function and the achievable purpose of the present invention.

It is to be noted that, in the present invention, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The utility model provides a double-filter integrated valve block assembly for a wind power gear box lubricating system, which comprises an aluminum integrated valve block assembly 1, a steel integrated valve transition block 2 and an aluminum cylinder filter 3.

The aluminum integrated valve block assembly 1 is of a cuboid structure, and an oil inlet 8 and an oil outlet 9 are formed in the side face and the top face of the aluminum integrated valve block assembly. The top surface of the aluminum integrated valve block assembly 1 is tightly connected with two circular steel integrated valve transition blocks 2 with equal size, the steel integrated valve transition blocks 2 are made of carbon steel, and the aluminum integrated valve block assembly 1 is provided with two annular grooves around the circle center of each steel integrated valve transition block 2; two aluminium barrel filters 3 correspond through the screw thread on the aluminium barrel respectively and install in steel integrated valve transition piece 2, in order to prevent that the aluminium barrel is not hard up, and the tight loop 4 on the aluminium barrel can tightly lock aluminium barrel filter 3 on aluminium integrated valve piece subassembly 1 to be connected with aluminium integrated valve piece subassembly 1, every 3 internally mounted of aluminium barrel filter have filter core (not shown in the figure), be used for filtering fluid, the top is provided with strains lid 5, fixes the filter core and prevents during the foreign matter gets into the filter.

Preferably, on one hand, the strength of the steel integrated valve transition block 2 is high, and the connection with the fastening ring 4, the aluminum cylinder filter 3 and the aluminum integrated valve block assembly 1 is firm and is not easy to break; on the other hand, the material of steel integrated valve transition piece 2 and aluminium barrel filter 3 is inequality, and both assemble the back together, and the difficult interlock for a long time, the dismouting is easy.

The aluminum cylinder filter 3 is sleeved with a filter hoop 6, and the filter hoop 6 is further connected with a hoop fixing frame 7, so that the aluminum cylinder filter 3 can be tightly fixed on the hoop fixing frame 7 through the filter hoop 6.

Further, as shown in fig. 2, a first oil inlet 81, a second oil inlet 82 and a third oil outlet 93 are equidistantly arranged on one side surface of the rectangular parallelepiped aluminum integrated valve block assembly 1 with a larger area; wherein the first oil inlet 81 and the second oil inlet 82 are arranged adjacently; a second oil outlet 92 is arranged on the side surface close to the first oil inlet 81 and far away from the third oil outlet 93; two third oil inlets 83, two fourth oil inlets 84, a first oil outlet 91 and a fourth oil outlet 94 are arranged on the top surface. Two third oil inlets 83 are arranged at the bottom of a groove of the aluminum integrated valve block assembly 1, and a first oil outlet 91 is arranged at the center of a circle in the middle of the steel integrated valve transition block 2; two fourth oil inlets 84 are arranged at the bottom of the other groove of the aluminum integrated valve block assembly 1, and a fourth oil outlet 94 is arranged at the center of the middle circle of the steel integrated valve transition block 2.

Further, the first oil inlet 81 and the second oil inlet 82 are communicated through oil inlet pipelines and then communicated with two third oil inlets 83 and two fourth oil inlets 84, so as to be communicated with the two aluminum cylinder filters 3; the two aluminum cylinder filters 3 are respectively communicated with an oil outlet pipeline through a first oil outlet 91 and a fourth oil outlet 94, and the oil outlet pipeline is respectively communicated with a second oil outlet 92 and a third oil outlet 93.

Further, as shown in fig. 3, a check valve 11, an overflow valve 12, a temperature control valve 13, a ball valve 14 and a test connector 15 are also integrated in the aluminum integrated valve block assembly 1.

Specifically, two check valves 11 are arranged in the aluminum integrated valve block assembly 1, and the check valves 11 can prevent oil from impacting an electric wheel pump and a mechanical pump when the oil flows back, wherein a first check valve 111 is arranged on an oil inlet pipeline of the first oil inlet 81 and used for controlling the unidirectional flow of the oil, the oil flowing from the first oil inlet 81 applies pressure to the first check valve 111, and the oil flows through the first check valve 111 after the first check valve 111 is opened; the second check valve 112 is arranged on an oil inlet pipeline of the second oil inlet 82 and used for controlling the unidirectional flow of oil, the oil flowing from the second oil inlet 82 applies pressure to the second check valve 112, and the oil flows through the second check valve 112 after the second check valve 112 is opened; the oil passing through the first check valve 111 and the oil passing through the second check valve 112 are further mixed in the oil inlet pipeline and then flow into the two aluminum cylinder filters 3 through the two third oil inlets 83 and the two fourth oil inlets 84 respectively for filtering.

An overflow pipeline 10 is further arranged in the aluminum integrated valve block assembly 1, one end of the overflow pipeline 10 is respectively communicated with a first oil inlet 81 and a second oil inlet 82, and the other end of the overflow pipeline is provided with an overflow port communicated with the outside of the aluminum integrated valve block assembly 1; an overflow valve 12 is arranged at an overflow port of the overflow pipeline 10, and plays a role of pressure stabilization and overflow, when the pressure of oil in the pipeline exceeds the limit, the oil entering the pipeline from the first oil inlet 81 and the second oil inlet 82 overflows into the overflow pipeline 10, and applies pressure to the overflow valve 12, so that the overflow valve 12 is opened, the oil finally flows out through the overflow port, and the elements in the pipeline can be protected to normally work.

As shown in fig. 4, in order to ensure the flow rate of the third oil outlet 93 in the aluminum integrated valve block assembly 1, two temperature control valves 13 are connected in parallel on an oil outlet pipeline communicated with the third oil outlet 93, and the temperature control valves 13 can control the flow direction proportion of the oil in the second oil outlet 92 and the third oil outlet 93 according to the temperature change. Specifically, two thermostatic valves 13 are arranged in parallel on the oil outlet pipeline between the first oil outlet 91, the fourth oil outlet 94 and the third oil outlet 93.

Specifically, when the oil temperature of the oil in the pipeline is less than 45 ℃, the two temperature control valves 13 do not act, the second oil outlet 92 and the third oil outlet 93 are completely communicated, a cooler with damping is arranged on an oil way entering the gear box distributor through the second oil outlet 92, and the oil in the third oil outlet 93 can directly enter the gear box distributor, so that most of the oil enters the gear box distributor through the third oil outlet 93; when the oil temperature of oil in the pipeline is more than or equal to 45 ℃, the two temperature control valves 13 start switching action, air sealed in the valves is heated to expand to push a piston in the valves to move upwards, and the piston is propped against a top cover of the temperature control valves 13 and cannot move, so that the valve body is forced to overcome the resistance of a spring to push the valve body to move downwards under the reaction action of the piston, a through oil way is gradually cut off, oil flowing to a third oil outlet 93 is gradually reduced, oil flowing to a second oil outlet 92 is gradually increased, and most of the oil flows out of the aluminum integrated valve block assembly 1 through the second oil outlet 92 and enters a gear box distributor after being cooled by a cooler; as the temperature of the oil in the line further increases until the temperature of the oil reaches 60 ℃, the thermo valve 13 will now completely disconnect the through oil path, so that the oil will all flow to the second oil outlet 92, and then enter the cooler for cooling before entering the gearbox distributor.

Preferably, because the thermostatic valve 13 is small in size and the flow rate entering the third oil outlet 93 is large at low temperature, two thermostatic valves 13 need to be connected in parallel to meet the flow rate requirement.

The aluminum integrated valve block assembly 1 is further provided with a ball valve 14, which is arranged on the aluminum integrated valve block assembly 1, is communicated with an oil inlet pipeline which passes through the first check valve 111 and the second check valve 112, is mixed with the oil and then enters the two third oil inlets 83 and the two fourth oil inlets 84, and is used for discharging lubricating oil in the filter and the aluminum integrated valve block assembly 1 when the filter element is replaced, so that the replacement of the filter element in the aluminum cylinder filter 1 is facilitated.

The aluminum integrated valve block assembly 1 is also provided with two test connectors 15 which are respectively arranged on an oil inlet pipeline and an oil outlet pipeline of the aluminum integrated valve block assembly 1, and the two test connectors 15 can also be connected with a pressure gauge by a hose and used for detecting the oil inlet pressure and the oil outlet pressure of the aluminum integrated valve block assembly 1; two test connectors 15 can also be connected with a particle counter by using a hose to detect the oil inlet cleanliness and the oil outlet cleanliness of the aluminum integrated valve block assembly 1.

In the preferred embodiment, an electric gear pump and a mechanical pump suck oil from a gear box and supply oil to a system, oil enters through a first oil inlet 81 and a second oil inlet 82, enters the aluminum integrated valve block assembly 1 through a one-way valve 11 and is mixed, then flows into a corresponding aluminum cylinder filter 3 through a third oil inlet 83 and a fourth oil inlet 84 respectively for filtering, the filtered oil returns into the aluminum integrated valve block assembly 1 through a first oil outlet 91 and a fourth oil outlet 94 respectively for mixing again, flows through an oil path provided with a temperature control valve 13, and finally the temperature control valve 13 controls the flow ratio of two paths of oil according to the temperature change of the oil, wherein one path of the oil flows out from a second oil outlet 92, enters a cooler firstly and then enters a gear box distributor; the other way flows out of the third oil outlet 93 and directly enters the gear box distributor.

In summary, compared with the existing double-filter integrated valve block assembly, the double-filter integrated valve block assembly for the wind power gear box lubricating system provided by the utility model has the advantages that the aluminum cylinder filter and the steel integrated valve transition block are made of different materials, so that the occlusion phenomenon is not easy to occur, and the disassembly is convenient.

While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the utility model. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the utility model should be determined from the following claims.

Claims

1. A double-filter integrated valve block assembly for a wind power gear box lubricating system comprises an integrated valve block assembly (1), an integrated valve transition block (2) and a cylinder filter (3), and is characterized in that,

the integrated valve block assembly (1) is of a cuboid structure, and an oil inlet (8) and an oil outlet (9) are formed in the side surface and the top surface of the integrated valve block assembly;

the integrated valve transition block (2) is two circular rings with the same size and dimension and is arranged on the top surface of the integrated valve block component (1);

two annular grooves are respectively arranged at the circle centers of the integrated valve transition blocks (2) on the integrated valve block assembly (1);

the cylinder filter (3) is arranged on the integrated valve transition block (2), a filter element is arranged in the cylinder filter (3), and the top end of the cylinder filter is provided with a filter cover (5);

the oil inlet (8) is communicated with each cylinder filter (3) through an oil inlet pipeline and is used for inputting oil liquid needing to be filtered into each cylinder filter (3);

the oil outlet (9) is communicated with each cylinder filter (3) through an oil outlet pipeline and is used for outputting oil liquid filtered by each cylinder filter (3).

2. The double-filter integrated valve block assembly for the wind power gearbox lubricating system according to claim 1, wherein the integrated valve block assembly (1) is made of aluminum, the integrated valve transition block (2) is made of carbon steel, and the cylinder filter (3) is made of aluminum.

3. The dual filter integrated valve block assembly for a wind turbine gearbox lubrication system as defined in claim 1, wherein said oil inlet (8) comprises:

the first oil inlet (81) is arranged on one side surface of the integrated valve block assembly (1) with a larger area;

the second oil inlet (82) is arranged on one side face of the integrated valve block assembly (1) with a larger area and is arranged adjacent to the first oil inlet (81);

a plurality of third oil inlets (83) arranged at the bottom of one groove of the integrated valve block assembly (1);

and a plurality of fourth oil inlets (84) are arranged at the bottom of the other groove of the integrated valve block assembly (1).

4. The dual filter integrated valve block assembly for a wind turbine gearbox lubrication system as defined in claim 3, wherein said oil outlet (9) comprises:

the first oil outlet (91) is arranged at the center of a circle in the middle of the integrated valve transition block (2) provided with the third oil inlet (83);

the second oil outlet (92) is arranged on the side surface, close to the first oil inlet (81), of the integrated valve block assembly (1);

the third oil outlet (93) is arranged on one side surface of the integrated valve block assembly (1) with a larger area and is arranged at equal intervals with the first oil inlet (81) and the second oil inlet (82);

and the fourth oil outlet (94) is arranged at the center of the integrated valve transition block (2) provided with the fourth oil inlet (84).

5. The double-filter integrated valve block assembly for the wind power gearbox lubricating system according to claim 4, wherein the first oil inlet (81) and the second oil inlet (82) are communicated with two third oil inlets (83) and two fourth oil inlets (84) after being communicated with each other through oil inlet pipelines, and are further communicated with the two barrel filters (3); the two cylinder filters (3) are respectively communicated with an oil outlet pipeline through a first oil outlet (91) and a fourth oil outlet (94), and the oil outlet pipeline is respectively communicated with a second oil outlet (92) and a third oil outlet (93).

6. The double-filter integrated valve block assembly for the wind power gearbox lubricating system according to claim 5, characterized in that a first check valve (111) and a second check valve (112) are further arranged in the integrated valve block assembly (1), and the oil can be prevented from impacting an electric wheel pump and a mechanical pump when flowing back:

the first check valve (111) is arranged on an oil inlet pipeline of the first oil inlet (81);

and the second check valve (112) is arranged on the oil inlet pipeline of the second oil inlet (82).

7. The double-filter integrated valve block assembly for the wind power gearbox lubricating system according to claim 5, characterized in that two temperature control valves (13) are further arranged in the integrated valve block assembly (1) and are arranged in parallel on an oil outlet pipeline communicated with the third oil outlet (93), and the flow ratio of the following two oil paths can be controlled according to the temperature change of the oil liquid:

one path of oil flows out of the second oil outlet (92), enters the cooler for cooling and then enters the gear box distributor;

and the other path of oil flows out from a third oil outlet (93) and directly enters a gear box distributor.

8. The double-filter integrated valve block assembly for the wind power gearbox lubricating system according to claim 5, characterized in that two test joints (15) are further arranged in the integrated valve block assembly (1) and are respectively arranged on an oil inlet pipeline and an oil outlet pipeline of the integrated valve block assembly (1); a hose is adopted to connect the test connector (15) and the pressure gauge and is used for detecting the oil inlet pressure and the oil outlet pressure of the integrated valve block assembly (1); and a hose is adopted to connect the test connector (15) and the particle counter for detecting the oil inlet cleanliness and the oil outlet cleanliness of the integrated valve block assembly (1).

9. The double-filter integrated valve block assembly for the wind power gearbox lubricating system according to claim 5, characterized in that an overflow pipeline (10) is further arranged in the integrated valve block assembly (1), one end of the overflow pipeline (10) is respectively communicated with the first oil inlet (81) and the second oil inlet (82), and the other end is provided with an overflow port which is communicated with the outside of the integrated valve block assembly (1); an overflow valve (12) is arranged at the overflow port of the overflow pipeline (10) and plays a role of pressure stabilization overflow.

10. The double-filter integrated valve block assembly for the wind power gearbox lubricating system according to claim 6, characterized in that a ball valve (14) is further arranged in the integrated valve block assembly (1), and the ball valve (14) is communicated with an oil inlet pipeline mixed by the first check valve (111) and the second check valve (112) and used for discharging lubricating oil in the filter element and the integrated valve block assembly (1).