CN218582247U - Cartridge pressure valve group suitable for high viscosity gear - Google Patents
Cartridge pressure valve group suitable for high viscosity gear Download PDFInfo
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- CN218582247U CN218582247U CN202222660721.8U CN202222660721U CN218582247U CN 218582247 U CN218582247 U CN 218582247U CN 202222660721 U CN202222660721 U CN 202222660721U CN 218582247 U CN218582247 U CN 218582247U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model provides a cartridge pressure valve group suitable for high viscosity gear, including the disk seat, the lower part that the middle part of disk seat was equipped with the cartridge valve body is equipped with the cartridge valve cover, the middle part sliding connection cartridge case of cartridge valve cover, the middle part of cartridge case is equipped with the main spring, the upper end cover of main spring is located the lower part of pressure adjustment mechanism, the middle part threaded connection of pressure adjustment mechanism is in the middle part of cartridge valve body, the utility model discloses through adopting the throat portion velocity of flow that reduces the pressure valve, increase the valve body internal gear oil flow equivalent diameter and reduce the velocity of flow, middle fretwork formula valve cover, further reduce methods such as valve body flow resistance, make this valve group be applicable to high viscosity gear oil; the pressure can be accurately adjusted through the pressure adjusting mechanism, so that the device is convenient and quick and has low cost; indirectly reducing the production cost.
Description
Technical Field
The utility model relates to a aerogenerator technical field, concretely relates to cartridge pressure valves suitable for high viscosity gear.
Background
The gearbox of the wind generating set is arranged in a cabin at the top of the tower barrel, and an online lubricating system is mostly adopted to ensure the safe and stable operation of the gearbox.
The lubricating system has the functions of filtering impurities in lubricating oil, controlling the oil temperature within a reasonable range by heat dissipation, ensuring good lubricating and cooling effects of the gear box, ensuring reasonable system pressure and the like.
The lubricating system consists of an oil pump, a filter, an oil-air radiator (including a pressure valve), a flow distribution valve, a distributor, a safety valve and the like, and the gear oil generally adopts ISO VG 320 gear oil.
At present, hydraulic valves are generally adopted for the valves, and the hydraulic oil viscosity suitable for the hydraulic valves is well known to be below 800mm2/s, while the viscosity of ISO VG 320 gear oil at 25 ℃ is optimally below 150mm 2/s.
From the above analysis, it can be seen that the safety valve, the flow distribution valve and the built-in pressure valve of the gear box lubricating system of the wind generating set are not suitable for high-viscosity gear oil, and the problems of valve working point drift, poor sensitivity, even failure and the like are caused. These problems are difficult to observe and repair and are the main causes of lubrication system oil bleeding, system and equipment damage, worsening heat dissipation and lubrication effects.
And most of the adjustable pressure valves can not accurately set pressure, and the adjustable pressure valves which can partially set the accurate pressure mostly take an external hydraulic system as a main part, so the mechanism is complicated and the equipment cost is high.
SUMMERY OF THE UTILITY MODEL
To the above problem the utility model provides a cartridge pressure valves suitable for high viscosity gear, the purpose is not suitable for high viscosity gear oil for solving a plurality of valves of the wind generating set gear box lubricating system who proposes among the above-mentioned background art, leads to the technical problem of a series of problems.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cartridge pressure valves suitable for high viscosity gear, includes the disk seat, the lower part that the middle part of disk seat was equipped with the cartridge valve body is equipped with the cartridge valve barrel, the middle part sliding connection cartridge case of cartridge valve barrel, the middle part of cartridge case is equipped with the main spring, the lower part of pressure adjustment mechanism is located to the upper end cover of main spring, the middle part threaded connection of pressure adjustment mechanism in the middle part of cartridge valve body.
Furthermore, a cavity is formed in the middle of the valve seat, an inserting internal thread is arranged on the upper portion of the cavity, an oil inlet is formed in the bottom of the cavity, and an oil outlet is formed in one side of the cavity.
Further, the diameter of the oil inlet ensures that the flow rate of the gear oil is less than 2m/s, and the diameter of the oil outlet is greater than that of the oil inlet.
Further, the middle part of the cartridge valve body is provided with an upper-layer sealing ring, the outer side of the lower part of the cartridge valve body is provided with a cartridge external thread, the cartridge external thread is in threaded connection with the upper part of the valve seat, the inner side of the lower part of the cartridge valve body is provided with a valve sleeve internal thread, the upper part of the cartridge valve body is provided with a hexagon nut, and the inner side of the upper part of the cartridge valve body is provided with an adjusting internal thread.
Further, the upper end outside of cartridge valve barrel is equipped with the valve barrel external screw thread, valve barrel external screw thread threaded connection in the lower part of cartridge valve body, the upper portion inboard of cartridge valve barrel is equipped with a plurality of case guide ways, the middle part of cartridge valve barrel is equipped with a plurality of support ribs, the lower extreme outside of cartridge valve barrel is equipped with lower floor's sealing washer, the lower extreme of cartridge valve barrel is equipped with interior hydraulic fluid port.
Further, the diameter of the inner oil port is consistent with that of the oil inlet.
Furthermore, the cartridge valve core comprises a valve clack, a valve core sealing cylinder is arranged on the top surface of the valve clack, a plurality of guide ribs are arranged on the outer side of the valve core sealing cylinder, and the guide ribs are connected to the inner side of the upper portion of the cartridge valve sleeve in a sliding mode.
Furthermore, the pressure adjusting mechanism comprises an adjusting rotary drum, the middle of the adjusting rotary drum is rotatably connected with a pressure acquisition unit, the lower end of the pressure acquisition unit is arranged in the middle of the top surface of the spring pressing block, and the lower part of the spring pressing block is arranged at the upper end of the main spring.
Furthermore, an adjusting rotating wheel is arranged at the upper end of the adjusting rotating cylinder, an adjusting external thread is arranged on the outer side of the lower portion of the adjusting rotating cylinder, and the adjusting external thread is in threaded connection with the inner side of the upper portion of the plug-in valve body.
Furthermore, the pressure acquisition unit comprises a pressure gauge, the pressure gauge is arranged at the upper end of the pressure acquisition column, the pressure acquisition column is rotatably connected to the middle part of the adjusting rotary drum, the lower part of the pressure acquisition column of the adjusting rotary drum is provided with an acquisition limiting ring, the lower end of the pressure acquisition column is provided with a pressure contact, and the pressure contact is arranged at the middle part of the top surface of the spring pressing block.
Compared with the prior art, the beneficial effects of the utility model are that:
the valve bank is suitable for high-viscosity gear oil by adopting methods of reducing the flow rate of the throat part of the pressure valve, increasing the equivalent flow diameter of the gear oil in the valve body to reduce the flow rate, and further reducing the flow resistance of the valve body through a middle hollow valve sleeve; the pressure can be accurately adjusted through the pressure adjusting mechanism, so that the device is convenient and quick and has low cost; indirectly reducing the production cost.
Drawings
FIG. 1 is a schematic view of the appearance structure of the present invention;
FIG. 2 is a sectional view of the internal structure of the present invention;
FIG. 3 is a schematic cross-sectional front view of the internal structure of the present invention;
FIG. 4 is a schematic view of the present invention showing the inner structure disassembled;
FIG. 5 is a sectional view of the valve seat structure of the present invention;
FIG. 6 is a schematic sectional view of the cartridge valve body structure of the present invention;
FIG. 7 is a sectional view of the structure of the cartridge valve sleeve of the present invention;
FIG. 8 is a schematic sectional view of the cartridge valve core structure of the present invention;
fig. 9 is a schematic diagram of the pressure adjusting mechanism of the present invention.
In the figure: 1. a valve seat; 11. a chamber; 12. inserting internal threads; 13. an oil inlet; 14. an oil outlet; 2. inserting a valve body; 21. an upper layer sealing ring; 22. inserting external threads; 23. valve sleeve internal threads; 24. a hexagonal nut; 25. adjusting the internal thread; 3. inserting a valve sleeve; 31. a valve housing external thread; 32. a valve core guide groove; 33. supporting the hypochondrium; 34. a lower layer sealing ring; 35. an inner oil port; 4. inserting a valve core; 41. a valve flap; 42. a valve core sealing cylinder; 43. guiding to the hypochondrium; 5. a main spring; 6. a pressure adjusting mechanism; 61. adjusting the rotating cylinder; 611. adjusting the rotating wheel; 612. adjusting the external thread; 62. a pressure acquisition unit; 621. a pressure gauge; 622. a pressure collection column; 623. collecting a limiting ring; 624. a pressure contact; 63. and (4) a spring pressing block.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In an embodiment, please refer to fig. 1-4, a pressure valve set suitable for a high-viscosity gear includes a valve seat 1, a valve body 2 is disposed in the middle of the valve seat 1, a valve sleeve 3 is disposed at the lower portion of the valve body 2, the valve sleeve 3 is slidably connected to a valve core 4, a main spring 5 is disposed in the middle of the valve core 4, the upper end of the main spring 5 is sleeved on the lower portion of a pressure adjusting mechanism 6, and the middle portion of the pressure adjusting mechanism 6 is in threaded connection with the middle portion of the valve body 2.
In the embodiment, please refer to fig. 5 again, a cavity 11 is formed in the middle of the valve seat 1, an internal screw thread 12 is inserted into the upper portion of the cavity 11, an oil inlet 13 is formed in the bottom of the cavity 11, an oil outlet 14 is formed in one side of the cavity 11, the diameter of the oil inlet 13 ensures that the flow rate of the gear oil is less than 2m/s, the diameter of the oil outlet 14 is greater than that of the oil inlet 13, and after the installation is completed, the flow rate of the oil in the cavity 11 is less than 1m/s.
In an embodiment, please refer to fig. 6 again, an upper sealing ring 21 is disposed in the middle of the valve body 2, an external insertion thread 22 is disposed on the outer side of the lower portion of the valve body 2, the external insertion thread 22 is connected to the upper portion of the valve seat 1 in a threaded manner, a valve sleeve internal thread 23 is disposed on the inner side of the lower portion of the valve body 2, a hexagonal nut 24 is disposed on the upper portion of the valve body 2, and an adjusting internal thread 25 is disposed on the inner side of the upper portion of the valve body 2, so that the installation can be conveniently tightened by the hexagonal nut 24.
In an embodiment, please refer to fig. 7 again, a valve sleeve external thread 31 is disposed on an outer side of an upper end of the insertion valve sleeve 3, the valve sleeve external thread 31 is in threaded connection with a lower portion of the insertion valve body 2, a plurality of valve core guide grooves 32 are disposed on an inner side of an upper portion of the insertion valve sleeve 3, a plurality of support ribs 33 are disposed in a middle portion of the insertion valve sleeve 3, structural strength of the insertion valve sleeve 3 is guaranteed by the plurality of support ribs 33, influence on oil flow in a cavity 11 of the valve seat 1 is reduced, a lower sealing ring 34 is disposed on an outer side of a lower end of the insertion valve sleeve 3, an inner oil port 35 is disposed at a lower end of the insertion valve sleeve 3, and a diameter of the inner oil port 35 is consistent with a diameter of the oil inlet 13.
In an embodiment, please refer to fig. 8 again, the cartridge valve 4 includes a valve flap 41, a valve element sealing cylinder 42 is disposed on a top surface of the valve flap 41, a plurality of guiding ribs 43 are disposed on an outer side of the valve element sealing cylinder 42, the guiding ribs 43 are slidably connected to an inner side of an upper portion of the cartridge valve sleeve 3, the main spring 5 is prevented from laterally swinging by the valve element sealing cylinder 42, the structural strength of the cartridge valve 4 is enhanced by the guiding ribs 43, and the guiding ribs are slidably connected to the guiding grooves 32 respectively to ensure stable sliding of the cartridge valve 4, so as to reduce an influence on oil flow in the cavity 11 of the valve seat 1.
In an embodiment, please refer to fig. 9 again, the pressure adjusting mechanism 6 includes an adjusting drum 61, a middle portion of the adjusting drum 61 is rotatably connected to a pressure collecting unit 62, a lower end of the pressure collecting unit 62 is disposed at a middle portion of a top surface of a spring pressing block 63, a lower portion of the spring pressing block 63 is disposed at an upper end of the main spring 5, an upper end of the adjusting drum 61 is provided with an adjusting wheel 611, a lower outer side of the adjusting drum 61 is provided with an adjusting external thread 612, the adjusting external thread 612 is threadedly connected to an inner side of an upper portion of the valve cartridge 2, the pressure collecting unit 62 includes a pressure gauge 621, the pressure gauge 621 is disposed at an upper end of the pressure collecting column 622, the pressure collecting column 622 is rotatably connected to the middle portion of the adjusting drum 61, a lower portion of the pressure collecting column 622 of the adjusting drum 61 is provided with a collecting limiting ring 623, a lower end of the pressure collecting column 622 is provided with a pressure contact 624, the pressure contact 624 is disposed at a middle portion of the top surface of the spring pressing block 63, and when the valve block is mounted in place, the adjusting drum 62 rotates the adjusting drum 61 while the pressure collecting unit 62 is stabilized, the pressure collecting unit 62 is driven to move up and down by matching with threads of the adjusting internal thread 25, so that the pressure collecting contact 621 displays the spring pressing block 63 changes of the spring pressing block 63.
The operation principle is as follows: firstly, after the valve group is connected with a pipeline, the pressure acquisition unit 62 is stabilized, the adjusting drum 61 is rotated, the pressure acquisition unit 62 is driven to move up and down through the thread matching with the adjusting internal thread 25, so that the pressure contact 624 acquires the elastic force change of the main spring 5 on the spring pressing block 63, and the pressure is displayed by the pressure gauge 621 until the required pressure is obtained; when gear oil enters from the oil inlet 13 and the oil pressure is higher than the set pressure, the cartridge valve core 4 moves upwards, the gear oil enters the cartridge valve sleeve 3 through the inner oil port 35, enters the cavity 11 among the plurality of supporting ribs 33 and is finally output from the oil outlet 14.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.
Claims (10)
1. The utility model provides a cartridge pressure valves suitable for high viscosity gear which characterized in that: including disk seat (1), the lower part that the middle part of disk seat (1) was equipped with cartridge valve body (2) is equipped with cartridge valve barrel (3), middle part sliding connection cartridge case (4) of cartridge valve barrel (3), the middle part of cartridge case (4) is equipped with main spring (5), the lower part of pressure adjustment mechanism (6) is located to the pot head of main spring (5), the middle part threaded connection of pressure adjustment mechanism (6) in the middle part of cartridge valve body (2).
2. The cartridge pressure valve set for high-viscosity gears according to claim 1, wherein: the oil-saving valve is characterized in that a cavity (11) is formed in the middle of the valve seat (1), an inner inserting thread (12) is arranged on the upper portion of the cavity (11), an oil inlet (13) is formed in the bottom of the cavity (11), and an oil outlet (14) is formed in one side of the cavity (11).
3. The cartridge pressure valve set for high-viscosity gears according to claim 2, wherein: the diameter of the oil inlet (13) ensures that the flow rate of gear oil is less than 2m/s, and the diameter of the oil outlet (14) is greater than that of the oil inlet (13).
4. The cartridge pressure valve set for high-viscosity gears according to claim 1, wherein: the middle part of cartridge valve body (2) is equipped with upper sealing washer (21), the lower part outside of cartridge valve body (2) is equipped with cartridge external screw thread (22), cartridge external screw thread (22) threaded connection in the upper portion of disk seat (1), the lower part inboard of cartridge valve body (2) is equipped with valve barrel internal thread (23), the upper portion of cartridge valve body (2) is equipped with hexagon nut (24), the upper portion inboard of cartridge valve body (2) is equipped with adjusts internal thread (25).
5. The cartridge pressure valve set for high-viscosity gears according to claim 2, wherein: the upper end outside of cartridge valve cover (3) is equipped with valve barrel external screw thread (31), valve barrel external screw thread (31) threaded connection in the lower part of cartridge valve body (2), the upper portion inboard of cartridge valve cover (3) is equipped with a plurality of case guide ways (32), the middle part of cartridge valve cover (3) is equipped with a plurality of support ribs (33), the lower extreme outside of cartridge valve cover (3) is equipped with lower floor's sealing washer (34), hydraulic fluid port (35) in the lower extreme of cartridge valve cover (3) is equipped with.
6. The cartridge pressure valve set for high-viscosity gears according to claim 5, wherein: the diameter of the inner oil port (35) is consistent with that of the oil inlet (13).
7. The cartridge pressure valve set for high-viscosity gears according to claim 1, wherein: the plug-in valve core (4) comprises a valve clack (41), a valve core sealing cylinder (42) is arranged on the top surface of the valve clack (41), a plurality of guide ribs (43) are arranged on the outer side of the valve core sealing cylinder (42), and the guide ribs (43) are connected to the inner side of the upper portion of the plug-in valve sleeve (3) in a sliding mode.
8. The cartridge pressure valve set for high-viscosity gears according to claim 1, wherein: the pressure adjusting mechanism (6) comprises an adjusting rotary drum (61), the middle of the adjusting rotary drum (61) is rotatably connected with a pressure acquisition unit (62), the lower end of the pressure acquisition unit (62) is arranged in the middle of the top surface of a spring pressing block (63), and the lower part of the spring pressing block (63) is arranged at the upper end of the main spring (5).
9. The cartridge pressure valve set for high-viscosity gears according to claim 8, wherein: an adjusting rotating wheel (611) is arranged at the upper end of the adjusting rotating cylinder (61), an adjusting external thread (612) is arranged on the outer side of the lower portion of the adjusting rotating cylinder (61), and the adjusting external thread (612) is in threaded connection with the inner side of the upper portion of the plug-in valve body (2).
10. The cartridge pressure valve set for high-viscosity gears according to claim 8, wherein: pressure acquisition unit (62) include manometer (621), the upper end of pressure acquisition post (622) is located in manometer (621), pressure acquisition post (622) rotate connect in the middle part of adjusting rotary drum (61), the lower part of adjusting pressure acquisition post (622) of rotary drum (61) is equipped with gathers spacing ring (623), the lower extreme of pressure acquisition post (622) is equipped with pressure contact (624), pressure contact (624) are located the top surface middle part of spring briquetting (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222660721.8U CN218582247U (en) | 2022-10-10 | 2022-10-10 | Cartridge pressure valve group suitable for high viscosity gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222660721.8U CN218582247U (en) | 2022-10-10 | 2022-10-10 | Cartridge pressure valve group suitable for high viscosity gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218582247U true CN218582247U (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222660721.8U Active CN218582247U (en) | 2022-10-10 | 2022-10-10 | Cartridge pressure valve group suitable for high viscosity gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218582247U (en) |
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2022
- 2022-10-10 CN CN202222660721.8U patent/CN218582247U/en active Active
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