CN218094148U - Pressure-equalizing stress flange connecting mechanism and speed reducer - Google Patents
Pressure-equalizing stress flange connecting mechanism and speed reducer Download PDFInfo
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- CN218094148U CN218094148U CN202221664952.XU CN202221664952U CN218094148U CN 218094148 U CN218094148 U CN 218094148U CN 202221664952 U CN202221664952 U CN 202221664952U CN 218094148 U CN218094148 U CN 218094148U
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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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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model relates to a voltage-sharing atress flange joint mechanism. The technical problems that an existing pressure-equalizing stress flange connecting mechanism is uneven in stress and offset in flange connection are solved. This pressure-equalizing atress flange coupling mechanism includes: one end of the connecting pipe is provided with a flange plate; the flange pipe is arranged at one end of the connecting pipe and is communicated with the connecting pipe; one end of the flange pipe is provided with a flange connecting seat connected with the flange plate; and the pressure-equalizing positioning device is arranged between the flange connecting seat and the flange plate, and comprises at least three counter bores which are circumferentially arranged at intervals on one side of the flange connecting seat, far away from the flange plate, arc-shaped grooves which are connected with adjacent counter bores, and annular gaskets which are embedded into the counter bores and the arc-shaped grooves. The fastening mode of the pressure-equalizing stress flange connecting mechanism is characterized in that the annular gasket is axially and integrally applied with force in a secondary direction, and the spaced yielding cavity and the sealing structure of the annular sealing ring are matched, so that the flange is reduced from being connected and deviated, the sealing performance is improved, and a better fastening effect is kept.
Description
Technical Field
The utility model belongs to reduction gear flange field relates to a voltage-sharing atress flange coupling mechanism and reduction gear.
Background
The existing flange connection is combined to form integral connection sealing through a plurality of independently arranged fastening structures, and in the initial fastening process, the flange plate is fastened by single end force application, or after a single group of fastening pieces are loosened, the flange plate is unevenly stressed to cause the sealing assembly to easily generate lateral movement deviation, and finally the flange plate sealing is reduced or even loses efficacy.
For example, chinese patent literature discloses a steel pipe pole flange joint water repellent structure [201820671530.2], including lower guide way, sealing ring, last guide way, draw-in groove, O type sealing washer, recess, spring and locating pin, the guide way is seted up under on flange terminal surface down, the sealing ring assembles in last guide way, it sets up on last flange up end to go up the guide way, the draw-in groove is seted up on last flange up end, the draw-in groove is seted up on last flange lower surface, O type sealing washer is fixed on flange up end down, and O type sealing washer assembly is in the draw-in groove, the recess is seted up in the sealing ring in the annular side lower part, the spring assembly is on the left surface in the recess, and the spring right-hand member is connected with the locating pin, the locating pin assembly has realized in the recess that this design has connected flange and lower flange's fast assembly, and water repellent effect is good, the utility model discloses novel structure, the equipment is convenient, and water repellent effect is good, long service life, but still can't solve above-mentioned technical problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a voltage-sharing atress flange joint mechanism and reduction gear to the above-mentioned problem that prior art exists.
The purpose of the utility model can be realized by the following technical proposal:
the pressure-equalizing stress flange connecting mechanism comprises:
one end of the connecting pipe is provided with a flange plate;
the flange pipe is arranged at one end of the connecting pipe and is communicated with the connecting pipe; one end of the flange pipe is provided with a flange connecting seat connected with the flange plate;
the pressure-equalizing positioning device is arranged between the flange connecting seat and the flange plate and comprises at least three counter bores which are circumferentially arranged at intervals on one side, away from the flange plate, of the flange connecting seat, arc-shaped grooves for connecting adjacent counter bores, annular gaskets embedded into the counter bores and the arc-shaped grooves and fastening structures correspondingly arranged between the flange connecting seat and the flange plate in a penetrating mode.
Furthermore, the fastening structure comprises a bolt and a nut, wherein the bolt sequentially penetrates through the annular gasket, the counter bore and the flange plate, and the nut is arranged on one side of the flange plate and is in threaded connection with the bolt.
Further, a spring located between the annular gasket and the bolt is arranged in the counter bore.
Furthermore, reinforcing ribs distributed circumferentially are arranged on the outer wall of the flange pipe at intervals.
Further, the strengthening rib is rhombus and the cross-section contained angle is the obtuse angle, and the one end setting of strengthening rib is on flange joint seat, and the other end setting is on the flange pipe.
Furthermore, the flange connecting seat is provided with a yielding cavity at an interval on the surface of one end close to the flange plate.
Furthermore, one end of the flange plate is provided with an annular sealing ring corresponding to the yielding cavity.
Furthermore, an inner connection through hole is formed in one end, far away from the flange plate, of the flange pipe.
Furthermore, the fastening structure comprises a countersunk head clamping piece, one end of the countersunk head clamping piece abuts against the annular gasket and is embedded into the countersunk hole, an abutting clamping piece, one end of the abutting clamping piece abuts against the flange plate, and a threaded fastening piece, wherein the threaded fastening piece penetrates through the countersunk head clamping piece and the abutting clamping piece.
The utility model also provides a reduction gear, have like voltage-sharing atress flange joint mechanism.
Compared with the prior art, the fastening mode of the pressure-equalizing stress flange connecting mechanism is that the two ends of the annular gasket are fastened integrally through the secondary axial force application of the annular gasket, so that the tightness of flange connection can be ensured, the offset cavity and the sealing structure of the annular sealing ring are matched at intervals, the offset resistance between the flange connecting seat and the flange plate is increased, the influence degree of flange connection offset on the tightness is reduced, and a better fastening effect can be achieved after the single end of the fastening structure fails.
Drawings
Fig. 1 is the utility model provides a pair of pressure-equalizing forced flange connection mechanism's schematic structure diagram.
Fig. 2 is an enlarged structural schematic view of an area a of the pressure equalizing force-bearing flange connection mechanism in fig. 1.
FIG. 3 is a first view of a flanged pipe of the pressure equalizing force-receiving flanged connection of FIG. 1.
Fig. 4 is a second view showing a flange pipe of the pressure equalizing force-bearing flange connecting mechanism of fig. 1.
Fig. 5 is a schematic diagram of a second embodiment of the pressure equalizing forced flange connection mechanism of fig. 1.
In the figure, 10, connecting pipe; 11. a flange plate; 12. an annular seal ring; 20. a flange pipe; 21. a flange connecting seat; 22. reinforcing ribs; 23. a yielding cavity; 24. interconnecting the through holes; 30. a voltage-sharing positioning device; 31. a countersunk hole; 32. an arc-shaped slot; 33. an annular gasket; 34. a fastening structure; 341. a bolt; 342. a nut; 343. a countersunk head fastener; 344. the abutting fastener; 345. a threaded fastener; 35. a spring.
Detailed Description
Example one
Please refer to fig. 1 to 4, which are schematic structural views of a pressure-equalizing forced flange connection mechanism according to the present invention. This pressure-equalizing atress flange coupling mechanism includes: a connecting pipe 10 with a flange 11 at one end; a flange pipe 20 communicating with the connection pipe 10; a flange connecting seat 21 connected with the flange plate 11; and the pressure equalizing positioning device 30 is arranged between the flange connecting seat 21 and the flange plate 11. It is contemplated that the present pressure equalizing and force receiving flange connection mechanism may also include other functional components and specific structures, such as power components, seal components, mounting structures, etc., which are well known to those skilled in the art, and therefore, will not be described in detail herein.
The middle part of the flange pipe 20 is provided with a pipeline communicated with the connecting pipe 10, one end of the flange pipe 20 far away from the flange plate 11 is provided with an internal through hole 24 which is communicated with an internal power transmission part through the internal through hole 24, and the flange pipe 20 is used for providing external sealing performance for the connection of an input shaft or the input shaft.
One end of the flange pipe 20 is provided with a flange connecting seat 21 connected with the flange plate 11, the connecting surface between the flange connecting seat 21 and the flange plate 11 is flat, the surface of one end, close to the flange plate 11, of the flange connecting seat 21 is provided with receding cavities 23 arranged at intervals, the receding cavities 23 can reduce the connecting contact area between the flange connecting seat 21 and the flange plate 11, and reduce the flatness error of the connecting end surface of the flange, one end of the flange plate 11 is provided with annular sealing rings 12 corresponding to the receding cavities 23, the positions of inner rings of the flange plate 11 and the flange connecting seat 21 can be flexibly sealed, the annular sealing rings 12 are elastically extruded into the receding cavities 23 in a sealing mode, the original annular sealing grooves and the annular sealing rings 12 are replaced, and the influence degree of flange connection deviation on the sealing performance is reduced.
The pressure equalizing positioning device 30 comprises at least three counter bores 31 which are circumferentially arranged on one side of the flange connecting seat 21 away from the flange plate 11 at intervals, an arc-shaped groove 32 for connecting the adjacent counter bores 31, and an annular gasket 33 embedded in the counter bores 31 and the arc-shaped groove 32. Annular gasket 33 formula structure as an organic whole, size structure and counter sink 31, arc wall 32 looks adaptation to annular gasket 33 is equipped with the hole of stepping down that communicates with counter sink 31, and wears to establish through corresponding fastening structure 34 between flange joint seat 21 and the ring flange 11 realizes. In this embodiment, the fastening structure 34 includes a bolt 341 passing through the annular gasket 33, the counterbore 31 and the flange 11 in this order, and a nut 342 disposed on one side of the flange 11 and threadedly engaged with the bolt 341. The cap end of the bolt 341 is embedded into the countersunk hole 31 and abuts against the annular gasket 33, the fastening mode applies force in the secondary axial direction of the annular gasket 33, when at least two ends of the annular gasket 33 are fastened, the tightness of flange connection can be ensured, the offset resistance between the flange connecting seat 21 and the flange plate 11 is increased by matching with the sealing structure of the spaced yielding cavity 23 and the annular sealing ring 12, and a better fastening effect can be achieved after the single end of the fastening structure 34 fails.
The counter bore 31 is provided with a spring 35 located between the annular gasket 33 and the bolt 341, and the spring 35 is provided so as to be able to abut against the annular gasket 33 after the bolt 341 is loosened as a supplement to the axial force, thereby further enhancing the sealing performance and the service life of the flange connection structure.
The outer wall interval of flange pipe 20 is equipped with the strengthening rib 22 that the circumference distributes for increase flange pipe 20 and flange joint seat 21's joint strength, more specifically, strengthening rib 22 is the rhombus and the cross-section contained angle is the obtuse angle, and the one end setting of strengthening rib 22 is on flange joint seat 21, and the other end setting is on flange pipe 20. The reinforcing ribs 22 of the diamond structures are more beneficial to stress dispersion of the flange pipes 20 and the flange connecting seats 21, so that vibration stress factors in the transmission process are weakened, and the service life is prolonged.
Example two
Referring to fig. 5, the structure and principle of the present embodiment are substantially the same as those of the first embodiment, and the only difference is that: the fastening structure 34 includes a countersunk head fastener 343 having one end abutting on the annular gasket 33 and embedded in the countersunk hole 31, a propping fastener 344 having one end abutting on the flange plate 11, and a threaded fastener 345 penetrating between the countersunk head fastener 343 and the propping fastener 344, wherein the countersunk head fastener 343 and the propping fastener 344 are both in threaded connection with the threaded fastener 345, and the three constitute a U-shaped structure, and two ends of the flange connection are respectively guided by the connection holes on the countersunk hole 31 and the flange plate 11, and generate opposite forces on the annular gasket 33 and the flange plate 11 by bidirectional threaded fastening, so as to realize the whole edge fastening effect of the flange connection mechanism, as an effective alternative of the first embodiment.
EXAMPLE III
The utility model also provides a speed reducer has like above-mentioned voltage-sharing atress flange coupling mechanism, except that voltage-sharing atress flange coupling mechanism, other parts are prior art or commercial spare.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a pressure-equalizing atress flange coupling mechanism which characterized in that, pressure-equalizing atress flange coupling mechanism includes:
one end of the connecting pipe is provided with a flange plate;
the flange pipe is arranged at one end of the connecting pipe and is communicated with the connecting pipe; one end of the flange pipe is provided with a flange connecting seat connected with the flange plate;
the pressure-equalizing positioning device is arranged between the flange connecting seat and the flange plate and comprises at least three counter bores which are circumferentially arranged at intervals on one side, away from the flange plate, of the flange connecting seat, arc-shaped grooves for connecting adjacent counter bores, annular gaskets embedded into the counter bores and the arc-shaped grooves and fastening structures correspondingly arranged between the flange connecting seat and the flange plate in a penetrating mode.
2. The pressure equalizing and stressed flange connection mechanism according to claim 1, wherein the fastening structure comprises a bolt which sequentially penetrates through the annular gasket, the counter bore and the flange plate, and a nut which is arranged on one side of the flange plate and is in threaded connection with the bolt.
3. A pressure equalizing and force receiving flange connection according to claim 2 wherein springs are located between the annular spacer and the bolts in the counter bored holes.
4. The pressure equalizing and stressed flange connection mechanism according to claim 1, wherein the outer wall of the flange pipe is provided with circumferentially distributed reinforcing ribs at intervals.
5. The flange connecting mechanism with uniform pressure and stress according to claim 4, wherein the reinforcing ribs are rhombic and have an obtuse included angle in cross section, one end of each reinforcing rib is arranged on the flange connecting seat, and the other end of each reinforcing rib is arranged on the flange pipe.
6. The flange connecting mechanism with uniform pressure and stress according to claim 1, wherein the flange connecting base is provided with abdicating cavities at intervals on one end surface close to the flange plate.
7. The pressure equalizing and stressed flange connection mechanism according to claim 6, wherein one end of the flange plate is provided with an annular sealing ring corresponding to the abdicating cavity.
8. The pressure equalizing and stressed flange connection mechanism according to claim 1, wherein an internally-connected through hole is formed in one end, away from the flange plate, of the flange pipe.
9. The flange connection mechanism with uniform pressure and stress according to claim 1, wherein the fastening structure comprises a countersunk fastener with one end abutting on the annular gasket and embedded in the countersunk hole, an abutting fastener with one end abutting on the flange plate, and a threaded fastener penetrating between the countersunk fastener and the abutting fastener.
10. A reducer having a pressure equalizing forced flange connection as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221664952.XU CN218094148U (en) | 2022-06-30 | 2022-06-30 | Pressure-equalizing stress flange connecting mechanism and speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221664952.XU CN218094148U (en) | 2022-06-30 | 2022-06-30 | Pressure-equalizing stress flange connecting mechanism and speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218094148U true CN218094148U (en) | 2022-12-20 |
Family
ID=84479135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221664952.XU Active CN218094148U (en) | 2022-06-30 | 2022-06-30 | Pressure-equalizing stress flange connecting mechanism and speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218094148U (en) |
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2022
- 2022-06-30 CN CN202221664952.XU patent/CN218094148U/en active Active
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