CN216895104U - Nitrogen filling joint - Google Patents
Nitrogen filling joint Download PDFInfo
- Publication number
- CN216895104U CN216895104U CN202220551662.8U CN202220551662U CN216895104U CN 216895104 U CN216895104 U CN 216895104U CN 202220551662 U CN202220551662 U CN 202220551662U CN 216895104 U CN216895104 U CN 216895104U
- Authority
- CN
- China
- Prior art keywords
- hole
- filling
- filling joint
- nitrogen
- joint body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 35
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004146 energy storage Methods 0.000 description 6
- 239000000945 filler Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a nitrogen filling joint which comprises a filling joint body, wherein a through hole is formed in the filling joint body, one end of the through hole can be correspondingly connected with a hub energy accumulator, the other end of the through hole is in threaded connection with an adjusting piece, one end, facing the hub energy accumulator, of the adjusting piece is provided with an ejector pin, and the ejector pin can be abutted against a valve core of the hub energy accumulator along with the adjustment of the adjusting piece in the through hole; one side of filling the dress and connecting the body is provided with the admission line that is used for filling the dress instrument with nitrogen gas and is connected, the middle part of admission line intercommunication through-hole. The filling joint body designed by the utility model can be arranged between a nitrogen filling tool and a hub energy accumulator and used as an intermediate joint, so that the time for disassembling and assembling equipment in the prior art during nitrogen filling is saved, the hub energy accumulator does not need to be disassembled and assembled during nitrogen filling and maintenance, the nitrogen filling work efficiency is greatly improved, and the filling joint body has important significance for improving the generated energy.
Description
Technical Field
The utility model belongs to the technical field of wind power operation and maintenance, and particularly relates to a nitrogen filling joint.
Background
The existing 1.25MW wind generating set has a hydraulic pitch control mode, three safety modules are arranged in a hub, each safety module is provided with a 10-liter energy accumulator, if a hydraulic station breaks down or other failure emergency situations occur, the energy accumulator provides pressure to complete feathering control of a fan, and if the nitrogen pressure of the energy accumulator in the hub of the fan is too low, the blades cannot be driven to feather in time, so that major accidents of the fan can be caused. Consequently need supply the nitrogen gas of energy storage ware every year, nevertheless because the wheel hub space is narrow and small, the energy storage ware only has 15cm with become oar alignment jig interval, and the required interval of traditional nitrogen gas filling instrument installation is greater than 20cm, consequently unable direct mount, nitrogen gas is supplied, is measured and all need go on after dismantling safety module, and the working process is numerous and diverse, consuming time hard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a nitrogen filling joint for solving the problems in the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a nitrogen filling joint comprises a filling joint body, wherein a through hole is formed in the filling joint body, one end of the through hole can be correspondingly connected with a hub energy accumulator, the other end of the through hole is in threaded connection with an adjusting piece, one end, facing the hub energy accumulator, of the adjusting piece is provided with a thimble, and the thimble can be abutted against a valve core of the hub energy accumulator along with the adjustment of the adjusting piece in the through hole; one side of filling the dress and connecting the body is provided with the admission line that is used for filling the dress instrument with nitrogen gas and is connected, the middle part of admission line intercommunication through-hole.
As a preferred technical solution in the present invention, the other end of the adjusting member extends to the outside of the filling joint body, and the other end of the adjusting member is provided with a limit adjusting portion.
As a preferable technical scheme in the utility model, the outer wall of the limit adjusting part is provided with anti-skid grains.
As a preferred technical solution in the present invention, one end of the through hole is provided with a threaded connection groove that can be in threaded connection with the hub accumulator.
As a preferable technical solution in the present invention, a first seal ring is disposed in the threaded connection groove.
As a preferable technical solution of the present invention, the through hole is divided into an air outlet passage and an adjusting member mounting passage from a portion thereof connected to the air inlet pipe, and the adjusting member is screwed into the adjusting member mounting passage.
As a preferred technical solution in the present invention, a sealing ring installation groove is provided in the adjusting member installation passage, and a second sealing ring is installed in the sealing ring installation groove.
As a preferred technical scheme in the utility model, the air inlet pipeline is of a hollow screw structure provided with a through hole, a second threaded hole is formed in one side of the filling joint body corresponding to the air inlet pipeline, the second threaded hole is communicated with the through hole, and the air inlet pipeline is in threaded connection with the second threaded hole.
As a preferred technical solution in the present invention, the filling joint body has a polygonal shape, the air inlet duct is disposed corresponding to one side of the filling joint body, and the air inlet duct is connected with a nut in a threaded manner, and the nut abuts against the side of the filling joint body.
Has the advantages that: the filling joint body designed by the utility model can be arranged between a nitrogen filling tool and a hub energy accumulator and used as an intermediate joint, so that the time for dismounting and mounting equipment in the prior art during nitrogen filling is saved, the hub energy accumulator does not need to be dismounted and mounted during nitrogen filling and maintenance, when the filling joint body needs to work, the position of the adjusting piece in the through hole is only needed to be adjusted, the ejector pin is enabled to abut against the valve core of the hub energy accumulator, the hub energy accumulator is further inflated, and the work of filling nitrogen into the hub energy accumulator is carried out.
Drawings
FIG. 1 is a cross-sectional view of the present invention.
In the figure: 1-filling a joint body; 101-a through hole; 102-a thread connecting groove; 2-an air inlet duct; 3-an adjusting part; 301-thimble; 302-limit adjustment; 4-a first sealing ring; 5-a second sealing ring; 6-nut.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the embodiments or the description in the prior art, it is obvious that the following description of the structure of the drawings is only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
Example (b):
as shown in fig. 1, this embodiment provides a nitrogen gas fills dress and connects to extensively be applicable to all hydraulic pressure and become wind generating set of oar, in order to solve in the wheel hub energy storage ware and become the problem that can't be connected because of the distance is limited between the oar alignment jig, specifically, nitrogen gas fills dress and connects including filling dress joint body 1, in order to fill dress joint body 1 and install between nitrogen gas filling instrument and wheel hub energy storage ware, use as the intermediate head, make to fill dress nitrogen gas and need not to dismantle the wheel hub energy storage ware, and then improve work efficiency, improve the generated energy. Meanwhile, after the nitrogen filling joint is used, the hub energy accumulator is not required to be disassembled when nitrogen is filled, the time for filling nitrogen by one fan is about 0.5 hour, the outage time is reduced by 2 hours for a single fan, and the annual scheduled maintenance outage time of 38 fans is reduced by about 150 hours, so that the nitrogen filling joint has important significance for improving the working efficiency and the generated energy.
Specifically, a through hole 101 with one end capable of being correspondingly connected with a hub energy accumulator is arranged on a charging connector body 1 in the technology, so that a nitrogen charging tool is conveniently utilized to provide nitrogen for the hub energy accumulator, an adjusting piece 3 is in threaded connection with the other end of the through hole 101, the adjusting piece 3 can be stably adjusted in the through hole 101, one end, facing the hub energy accumulator, of the adjusting piece 3 is provided with a thimble 301, the thimble 301 can press against a valve core of the hub energy accumulator along with the adjustment of the adjusting piece 3 in the through hole 101, so as to open an air inlet channel of the hub energy accumulator, when the charging connector is used, the hub energy accumulator is connected to the through hole 101, the position of the adjusting piece 3 in the through hole 101 is adjusted, the thimble 301 presses against the valve core of the hub energy accumulator, so that the hub energy accumulator is charged, and the work of charging the hub energy accumulator with nitrogen is performed; fill one side of connecting body 1 and be provided with the admission line 2 that is used for being connected with nitrogen gas filling instrument, the middle part of admission line 2 intercommunication through-hole 101, and then utilize nitrogen gas filling instrument to provide nitrogen gas for the wheel hub energy storage ware.
The filling joint body 1 designed by the utility model can be arranged between a nitrogen filling tool and a hub energy accumulator and used as an intermediate joint, so that the time for assembling and disassembling equipment in the prior art during nitrogen filling is saved, the hub energy accumulator does not need to be assembled and disassembled during nitrogen filling and maintenance, when the filling joint body needs to work, the position of the adjusting piece 3 in the through hole 101 is only needed to be adjusted, the ejector pin 301 is enabled to be pressed against the valve core of the hub energy accumulator, the hub energy accumulator is inflated, and the work of filling nitrogen into the hub energy accumulator is carried out, the whole process is simple to operate, the nitrogen filling work efficiency is greatly improved, and the filling joint body has important significance for improving the generated energy.
As a preferred embodiment in this embodiment, it should be further described that the other end of the adjusting element 3 extends out of the charging connector body 1, and the other end of the adjusting element 3 is provided with a limit adjusting portion 302, so that the position of the adjusting element 3 in the through hole 101 can be conveniently controlled by adjusting the limit adjusting portion 302, and then adjusted, and further the position of the thimble 301 in the through hole 101 is adjusted, so that the thimble 301 presses against the valve core of the hub accumulator or is separated from the valve core of the hub accumulator, and the operation is simple and convenient. It should be noted that the shape of the limit adjusting part 302 may be polygonal or circular, and is not limited specifically, and the size of the limit adjusting part 302 is preferably larger than the aperture of the through hole 101, for example, when the shape of the limit adjusting part 302 is polygonal, the diameter of the inscribed circle of the limit adjusting part 302 is larger than the aperture of the through hole 101, and when the shape of the limit adjusting part 302 is circular, the diameter of the limit adjusting part 401 is larger than the aperture of the through hole 101, so that the limit adjusting part 302 cannot enter the through hole 101, and further the stability of the limit adjusting part 302 is ensured.
As a preferred implementation scheme in this embodiment, it should be further described that the outer wall of the limit adjusting portion 302 is provided with anti-slip threads, so as to facilitate adjustment of the limit adjusting portion 302, and the anti-slip threads may be threads recessed into the limit adjusting portion 302, or may be a raised structure protruding out of the limit adjusting portion 302, and no specific limitation is made, and in practice, the anti-slip threads may also be a hand wheel type structure, so as to adjust the limit adjusting portion 302 in a mean square manner, so as to make the operation more flexible.
As a preferred embodiment in this embodiment, it should be further described that one end of the through hole 101 is provided with a threaded connection groove 102 capable of being in threaded connection with the hub energy accumulator, and the size of the threaded connection groove 102 is matched with that of the connection portion of the hub energy accumulator, so that the processing is convenient, and as long as the threaded connection groove is processed at one end of the through hole 101, the hub energy accumulator and the charging connector body 1 can be stably connected together, and the nitrogen charging operation is ensured to be smoothly performed.
As a preferred embodiment in this embodiment, it should be further explained that, the first sealing ring 4 is disposed in the threaded connection groove 102, so that the sealing performance of the hub accumulator in the threaded connection groove 102 can be enhanced, and air leakage can be prevented.
As a preferred embodiment in this embodiment, it should be further explained that the through hole 101 is divided into an air outlet channel and an adjusting member installation channel from a portion where it is connected to the air inlet pipe 2, and the adjusting member 3 is screwed into the adjusting member installation channel, so that only a part of the through hole 101 is required to be designed with an internal thread.
As a preferred embodiment in this embodiment, it should be further described that a sealing ring installation groove is arranged in the adjusting member installation channel, and a second sealing ring 5 is installed in the sealing ring installation groove, so that the sealing performance of the adjusting member 3 in the through hole 101 can be enhanced, and air leakage can be prevented.
Example two:
the present embodiment is a further improvement on the basis of the first embodiment, and specific differences between the present embodiment and the first embodiment are as follows:
as a preferred embodiment of the present invention, it should be further explained that the gas inlet pipe 2 is a hollow screw structure provided with a through hole for discharging gas, and one side of the filling joint body 1 corresponding to the air inlet pipeline 2 is provided with a second threaded hole which is communicated with the air outlet channel 101 to realize the circulation of air, the air inlet pipeline 2 is in threaded connection with the second threaded hole to conveniently adjust the extending length of the air inlet pipeline 2 relative to the filling joint body 1, thereby making the connection of the inlet pipe 2 to the nitrogen filling means more flexible and convenient, for instance in practice, if the inlet duct 2 is a little shorter, the length of the extension of the inlet duct 2 with respect to the filler neck body 1 can be adjusted directly, and then make inlet pipe 2 can be connected with nitrogen gas filling tool stable, avoid unable problem that connects the needs readjustment. It should be noted that, preferably, a limiting portion may be disposed at a position of the second threaded hole close to the air outlet channel 101, and the limiting portion is used to limit the depth of the air inlet pipe 2 in the second threaded hole, so as to avoid collision between the air inlet pipe 2 and the adjusting member 3.
Example three:
the present embodiment is a further improvement on the basis of the first embodiment or the second embodiment, and the specific differences between the present embodiment and the first embodiment or the second embodiment are:
as a preferred embodiment of the present invention, it should be further noted that the filling joint body 1 has a polygonal shape, such as a quadrilateral structure, a pentagonal structure, or a hexagonal structure, the air inlet duct 2 is disposed corresponding to one side of the filling joint body 1, the air inlet duct 2 is threadedly connected with a nut 6, the nut 6 abuts against the side of the filling joint body 1, and the nut 6 can enhance the air tightness between the air inlet duct 2 and the filling joint body 1, and enhance the stability of the air inlet duct 2. It should be noted that preferably a gasket may be provided between the nut 6 and the filler neck body 1, further enhancing the air tightness between the air inlet duct 2 and the filler neck body 1.
Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The nitrogen filling joint is characterized by comprising a filling joint body (1), wherein the filling joint body (1) is provided with a through hole (101) of which one end can be correspondingly connected with a hub energy accumulator, the other end of the through hole (101) is in threaded connection with an adjusting piece (3), one end, facing the hub energy accumulator, of the adjusting piece (3) is provided with a thimble (301), and the thimble (301) can be pressed against a valve core of the hub energy accumulator along with the adjustment of the adjusting piece (3) in the through hole (101); one side of the filling joint body (1) is provided with an air inlet pipeline (2) used for being connected with a nitrogen filling tool, and the air inlet pipeline (2) is communicated with the middle part of the through hole (101).
2. A nitrogen filling joint according to claim 1, characterized in that the other end of the regulating member (3) extends outside the filling joint body (1), and the other end of the regulating member (3) is provided with a limit regulating portion (302).
3. A nitrogen gas filling joint according to claim 2, wherein the outer wall of the limit adjustment part (302) is provided with anti-slip threads.
4. A nitrogen charging connection according to claim 1, characterized in that one end of the through hole (101) is provided with a threaded connection groove (102) which is threadably connectable with a hub accumulator.
5. A nitrogen filling connection according to claim 4, wherein a first sealing ring (4) is arranged in the threaded connection groove (102).
6. A nitrogen gas filling joint according to claim 1, wherein said through hole (101) is divided into a gas outlet passage and a regulating member installation passage from a portion thereof connected to the gas inlet pipe (2), and the regulating member (3) is screwed into the regulating member installation passage.
7. A nitrogen gas filling joint according to claim 6, wherein a seal ring mounting groove is provided in said regulating member mounting passage, and a second seal ring (5) is mounted in said seal ring mounting groove.
8. The nitrogen filling joint as recited in claim 1, characterized in that the air inlet pipe (2) is a hollow screw structure with a through hole, and a second threaded hole is provided on a side of the filling joint body (1) corresponding to the air inlet pipe (2), the second threaded hole communicates with the through hole (101), and the air inlet pipe (2) is connected to the second threaded hole by screw thread.
9. A nitrogen gas filling joint according to claim 8, characterized in that the filling joint body (1) has a polygonal external shape, the gas inlet pipe (2) is arranged corresponding to one side of the filling joint body (1), and a nut (6) is connected to the gas inlet pipe (2) in a threaded manner, and the nut (6) abuts against the side of the filling joint body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220551662.8U CN216895104U (en) | 2022-03-14 | 2022-03-14 | Nitrogen filling joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220551662.8U CN216895104U (en) | 2022-03-14 | 2022-03-14 | Nitrogen filling joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216895104U true CN216895104U (en) | 2022-07-05 |
Family
ID=82191927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220551662.8U Expired - Fee Related CN216895104U (en) | 2022-03-14 | 2022-03-14 | Nitrogen filling joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216895104U (en) |
-
2022
- 2022-03-14 CN CN202220551662.8U patent/CN216895104U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |