CN203717429U - Compressor inlet flow adjusting and sealing structure - Google Patents
Compressor inlet flow adjusting and sealing structure Download PDFInfo
- Publication number
- CN203717429U CN203717429U CN201320890385.4U CN201320890385U CN203717429U CN 203717429 U CN203717429 U CN 203717429U CN 201320890385 U CN201320890385 U CN 201320890385U CN 203717429 U CN203717429 U CN 203717429U
- Authority
- CN
- China
- Prior art keywords
- inlet flow
- compressor inlet
- driving shaft
- housing
- active bearings
- 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
Links
Abstract
The utility model relates to the field of pipeline sealing, and particularly discloses a compressor inlet flow adjusting and sealing structure. The compressor inlet flow adjusting and sealing structure comprises an actuator and a shell. A drive shaft is arranged in the center of the shell, a drive bearing is arranged between the shell and the drive shaft, the drive bearing and the shell are locked through a locking piece, the drive bearing is provided with a pressing gasket, an annular groove is formed in the contact portion of the pressing gasket, the drive bearing and the drive shaft, and a main seal ring is arranged in the annular groove. At least one auxiliary seal ring is arranged between the drive shaft and the drive bearing, the drive shaft is connected with the actuator through a connector, a fixing support is arranged below the actuator, the pressing gasket supports the fixing support, and a gap is reserved between the fixing support and the shell. The compressor inlet flow adjusting and sealing structure has the advantages that because the main seal ring and the auxiliary seal ring are used for dual integral sealing, the using effect is reliable, mounting and dismounting are convenient, and frequent maintaining is not needed.
Description
Technical field
The utility model relates to seal for pipe joints field, refers to especially a kind of compressor inlet Flow-rate adjustment sealing configuration.
Background technique
At present, the industries such as domestic and international petrochemical industry are generally carried various gas with centrifugal compressor, for prevent or limit these gases along compressor rotating shaft end leakage in atmosphere, just must adopt various shaft end seal devices, to maintain the normal operation of main frame, reduce the consumption of material and the energy, prevent the pollution of the environment and ensure the person and device security.The Control Shaft of the centrifugal compressor controlling mechanism now generally using, its shaft end seal form is many, mainly contain hydraulic seal, the sealing of mechanical type contact formula, gas-flow closure, maze type sealing, floating ring oil film seal etc., above-mentioned sealing device structure is all comparatively complicated, need often to safeguard and check, and installing/dismounting inconvenience, working life is shorter.
Centrifugal refrigerating machines compressor inlet Flow-rate adjustment sealing at present adopts static seal mostly, and in static seal, substantially adopts the sealing of teflon plain cushion.Its import axial seal adopts teflon that micro-leakage easily occurs, poorly sealed, easily damages.When replacing, need shut down after freon in unit is found time and change, generally need the time about 2 days, be unfavorable for user's normal use.
Model utility content
The purpose of this utility model is to provide a kind of compressor inlet Flow-rate adjustment sealing configuration, and it is simple in structure, is convenient to installing/dismounting, and transmission effect is good, sealability is reliable.
To achieve these goals, the utility model has adopted following technological scheme: a kind of compressor inlet Flow-rate adjustment sealing configuration, comprise final controlling element and housing, described housing center is provided with a driving shaft, and is provided with the active bearings coordinating with driving shaft between described housing and driving shaft; Described active bearings and housing are locked by locking element, and described active bearings is provided with packing washer, have a circular groove at the contacting part of described packing washer, active bearings and driving shaft, are provided with primary seal circle in this circular groove; Between described driving shaft and active bearings, be at least provided with an auxiliary seal ring; Between described driving shaft and final controlling element, be connected by connecting head, described final controlling element below is provided with fixed support, and described packing washer supports fixed support, and between described fixed support and housing, has a gap.
Further, between described housing and active bearings, be provided with compress gasket.
Further, described fixed support is fixed by lock screw with final controlling element and housing respectively.
Further, in described active bearings, have tapped through hole, described housing has a hole, and described locking element is bolt.
Further, described active bearings and packing washer material are copper, and driving shaft material is alloyed steel.
Further, described compress gasket material is teflon.
Further, described auxiliary seal ring is three.
Further, described clearance height is 0.8～1.5mm.
The beneficial effects of the utility model are: adopt after said structure, use primary seal circle, the dual integrated sealing of auxiliary seal ring, make sealing effect reliable, structural design is simple, easy installation and removal, and do not need frequent maintenance, long service life, effectively improved centrifugal compressor integrally-built compactedness, etc. arm of force transmission and can conveniently change primary seal circle not affecting under the normal prerequisite using of user.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment technological scheme, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only that this practicality is in order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the enlarged view of I in Fig. 1
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of compressor inlet Flow-rate adjustment sealing configuration as shown in Figure 1 and Figure 2, comprises final controlling element 2 and housing 1, and described housing 1 center is provided with a driving shaft 3, and is provided with the active bearings 4 coordinating with driving shaft 3 between described housing 1 and driving shaft 3; Driving shaft 3 rotates relative to active bearings 4, and described active bearings 4 is locked by locking element 12 with housing 1.
Described active bearings 4 is provided with packing washer 5, has a circular groove at the contacting part of described packing washer 5, active bearings 4 and driving shaft 3, is provided with primary seal circle 6 in this circular groove; Between described driving shaft 3 and active bearings 4, be at least provided with an auxiliary seal ring 7; Described final controlling element 2 belows are provided with fixed support 9, and described packing washer 5 supports fixed support 9.Primary seal circle 6 surrounds by driving shaft 3, active bearings 4 and packing washer 5, and fixed support 9 coordinates with packing washer 5 vertically, finally by the fastening screw trip bolt of fixed support 9, its locked formation is mainly sealed; Driving shaft 3 is through primary seal circles 6,7 double seals of auxiliary seal ring, and is monolithic construction, final controlling element 2 be positioned at driving shaft 3 directly over.
Between described driving shaft 3 and final controlling element 2, be connected by connecting head 11, between fixed support 9 and housing 1, have a gap 10, ensure that primary seal circle 6 can be by locked.
Wherein, between described housing 1 and active bearings 4, be provided with compress gasket 8, in described active bearings 4, have tapped through hole, described housing 1 has a hole, and described locking element 12 is bolt.Between active bearings 4 and housing 1, carry out plane sealing by compress gasket 8, and active bearings 4 forms convex-concave with housing 1 fitting surface and coordinates, in active bearings 4, have tapped through hole, housing 1 is drilled with a hole, by bolt, it is locked, the sealing effect while ensureing to change primary seal circle 6.
Wherein, described active bearings 4 and packing washer 5 materials are copper, and driving shaft 3 materials are alloyed steel, and described compress gasket 8 materials are teflon, while ensureing on the one hand driving shaft 3 frequent rotation, be difficult for being pulled, extended on the other hand the working life of primary seal circle 6.
In the present embodiment, described auxiliary seal ring 7 is three, and described gap 10 is highly 0.8～1.5mm.
When assembling, first compress gasket 8 is installed in the groove of housing 1, then driving shaft 3 is held and be installed on the bearing position place of housing 1 it is locked by bolt; Secondly auxiliary seal ring 7 is loaded on driving shaft 3, packs from top to bottom active bearings 4 inside into; Then primary seal circle 6 is packed into driving shaft 3, active bearings 4 and packing washer 5 and match in the circular groove forming, this circular groove surrounds primary seal circle 6; Fixed support 9 is placed on ring washer, between guarantee figure housing 1 and fixed support 9, has gap 10, adjust by packing washer 5, making gap 10 is highly 1mm left and right.Load onto connecting head 11 in driving shaft 3 ends, finally pack final controlling element 2 into; On fixed support 9, orthogonal bar shaped bolt hole regulates fastening screw trip bolt to make to reach concentric between final controlling element 2 and driving shaft 3, ensures good transmission effect, then that bolt is locked.
In the time changing primary seal circle 6, only packing washer 5, fixed support 9, fastening screw trip bolt, connecting head 11, final controlling element 2 parts need be pulled down, the primary seal circle 6 of damage is taken out, changing new primary seal circle 6, then assemble successively the part of pulling down.Whole process is consuming time few, convenient to operation, does not affect user's normal use.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a compressor inlet Flow-rate adjustment sealing configuration, comprise final controlling element (2) and housing (1), it is characterized in that: described housing (1) center is provided with a driving shaft (3), and be provided with the active bearings (4) coordinating with driving shaft (3) between described housing (1) and driving shaft (3); Described active bearings (4) is locked by locking element (12) with housing (1), described active bearings (4) is provided with packing washer (5), contacting part at described packing washer (5), active bearings (4) and driving shaft (3) has a circular groove, is provided with primary seal circle (6) in this circular groove; Between described driving shaft (3) and active bearings (4), be at least provided with an auxiliary seal ring (7); Between described driving shaft (3) and final controlling element (2), be connected by connecting head (11), described final controlling element (2) below is provided with fixed support (9), described packing washer (5) supports fixed support (9), and has a gap (10) between described fixed support (9) and housing (1).
2. compressor inlet Flow-rate adjustment sealing configuration according to claim 1, is characterized in that: between described housing (1) and active bearings (4), be provided with compress gasket (8).
3. compressor inlet Flow-rate adjustment sealing configuration according to claim 1, is characterized in that: described fixed support (9) is fixed by lock screw with final controlling element (2) and housing (1) respectively.
4. compressor inlet Flow-rate adjustment sealing configuration according to claim 1, is characterized in that: described active bearings has tapped through hole on (4), described housing (1) has a hole, and described locking element (12) is bolt.
5. according to the compressor inlet Flow-rate adjustment sealing configuration described in claim 1～4 any one, it is characterized in that: described active bearings (4) and packing washer (5) material are copper, and driving shaft (3) material is alloyed steel.
6. compressor inlet Flow-rate adjustment sealing configuration according to claim 2, is characterized in that: described compress gasket (8) material is teflon.
7. according to the compressor inlet Flow-rate adjustment sealing configuration described in claim 1～4 any one, it is characterized in that: described auxiliary seal ring (7) is three.
8. according to the compressor inlet Flow-rate adjustment sealing configuration described in claim 1～4 any one, it is characterized in that: described gap (10) are highly 0.8～1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890385.4U CN203717429U (en) | 2013-12-31 | 2013-12-31 | Compressor inlet flow adjusting and sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890385.4U CN203717429U (en) | 2013-12-31 | 2013-12-31 | Compressor inlet flow adjusting and sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717429U true CN203717429U (en) | 2014-07-16 |
Family
ID=51156587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320890385.4U Expired - Fee Related CN203717429U (en) | 2013-12-31 | 2013-12-31 | Compressor inlet flow adjusting and sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717429U (en) |
-
2013
- 2013-12-31 CN CN201320890385.4U patent/CN203717429U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20211231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |