CN215445055U - Impeller sealing device of turbo expander - Google Patents
Impeller sealing device of turbo expander Download PDFInfo
- Publication number
- CN215445055U CN215445055U CN202121827032.0U CN202121827032U CN215445055U CN 215445055 U CN215445055 U CN 215445055U CN 202121827032 U CN202121827032 U CN 202121827032U CN 215445055 U CN215445055 U CN 215445055U
- Authority
- CN
- China
- Prior art keywords
- impeller
- sealing
- bearing
- hole
- plate
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 98
- 239000002184 metal Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 abstract description 6
- 238000012856 packing Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of impeller sealing devices, and discloses an impeller sealing device of a turboexpander, which structurally comprises a connecting plate, wherein a sealing plate, a sealing bearing, a sliding groove and a mounting hole are arranged on the connecting plate, the sealing plate is fixedly connected to the left end of the connecting plate and surrounds the outside of the sealing bearing, the outer ring of the sealing bearing is fixedly connected to the center of the inside of the connecting plate, the sliding groove is positioned inside the connecting plate and on the periphery of the sealing bearing, the mounting hole penetrates through the inside of the connecting plate and is positioned at the corner of the connecting plate, a rotating shaft is fixedly connected to the inner ring of the sealing bearing, and an impeller is fixedly connected to the right end of the rotating shaft. The impeller mounting structure disclosed by the utility model realizes sealing of the mounting part of the impeller, avoids the phenomenon of leakage of the sealing device in the use process, is convenient for dismounting the sealing device, and improves the convenience for dismounting the sealing device.
Description
Technical Field
The utility model relates to the technical field of impeller sealing devices, in particular to an impeller sealing device of a turbo expander.
Background
According to patent 202020857359.1, an impeller sealing device of turboexpander can know, including changeing the roller, the one side of changeing the roller is connected with the impeller, the pivot is installed to one side of impeller, and the impeller rotates with changeing the roller through the pivot and is connected, the baffle is installed in the outside of pivot, one side of baffle is connected with the roof, the opposite side of baffle is connected with the bottom plate, change the outside of roller and install the axle sleeve, the outside of axle sleeve is connected with the go-between, the closing plate is installed to one side of pivot. The sealing plate and the sealing ring are arranged on one side of the impeller of the turboexpander, when the equipment runs, the sealing plate can prevent gas in the equipment from leaking through the impeller, the leakage amount is reduced, but the complete sealing can not be achieved, the sealing plate is a primary sealing, and through the arranged annular groove and the connecting ring, when the rotating roller runs, the arranged annular groove and the connecting ring are matched with each other, and when the rotating roller runs, the annular groove and the connecting ring are matched with each other.
Currently, the existing impeller sealing device of the turboexpander has some defects, for example; the impeller sealing device of the existing turboexpander does not completely seal the installation part of the impeller, the sealing device is easy to leak in the using process, and the sealing device is inconvenient to disassemble and assemble, so that the convenience of disassembling and assembling the sealing device is reduced. For this reason, new technical solutions need to be designed to solve the problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an impeller sealing device of a turboexpander, which solves the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: an impeller sealing device of a turboexpander comprises a connecting plate, wherein a sealing plate, a sealing bearing, a sliding groove and a mounting hole are arranged on the connecting plate, the sealing plate is fixedly connected to the left end of the connecting plate and surrounds the outside of the sealing bearing, the outer ring of the sealing bearing is fixedly connected to the center of the inside of the connecting plate, the sliding groove is positioned inside the connecting plate and is positioned on the periphery of the sealing bearing, the mounting hole penetrates through the inside of the connecting plate and is positioned at the corner of the connecting plate, a rotating shaft is fixedly connected to the inner ring of the sealing bearing, an impeller is fixedly connected to the right end of the rotating shaft, a rubber sealing ring is arranged on the left surface of the impeller, a through hole is formed in the inside of the rubber sealing ring, a metal supporting rod is arranged inside the left end of the through hole, and a small bearing and a threaded hole are formed in the metal supporting rod, the inner ring of the small-sized bearing is fixedly connected to the left end of the metal support rod, the threaded hole is formed in the right end of the metal support rod, and the impeller is internally provided with a fixing screw rod.
In a preferred embodiment of the present invention, the fixing screw penetrates through the impeller and the inside of the through hole and is threadedly coupled to the inside of the threaded hole.
In a preferred embodiment of the present invention, the small bearing is fitted in the inside of the slide groove and is movably connected to the inside of the slide groove.
In a preferred embodiment of the present invention, the right surface of the rubber packing is fixedly connected to the left surface of the impeller, and the left surface of the rubber packing is placed against the right surface of the connection plate and is movably connected to the right surface of the connection plate.
In a preferred embodiment of the present invention, the outer diameter of the right end of the metal support rod is matched with the inner diameter of the left end of the through hole, and is movably connected to the inside of the through hole.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through the combination of the sealing plate, the sliding groove, the mounting hole, the rubber sealing ring, the metal support rod and the small bearing, when the impeller of the turboexpander rotates, the mounting part of the impeller is effectively sealed, the phenomenon of leakage of the sealing device in the use process is avoided, the sealing device is convenient to disassemble and assemble, and the convenience in disassembling and assembling the sealing device is improved.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a front view of a sealing arrangement for the impeller of a turboexpander in accordance with the present invention;
FIG. 2 is a left side view of an adapter plate of the impeller seal assembly of a turboexpander in accordance with the present invention;
FIG. 3 is a right side view of the adapter plate of the impeller seal assembly of a turboexpander according to the present invention;
fig. 4 is a cross-sectional view of a rubber seal ring of an impeller sealing device of a turbo expander according to the present invention;
fig. 5 is a cross-sectional view of a metal support rod of a sealing device for the impeller of a turboexpander according to the present invention.
In the figure: the connecting plate comprises a connecting plate 1, a sealing plate 2, a sealing bearing 3, a sliding groove 4, a mounting hole 5, a rotating shaft 6, an impeller 7, a rubber sealing ring 8, a through hole 9, a metal supporting rod 10, a miniature bearing 11, a threaded hole 12 and a fixing screw 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. For those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations, the model of the electrical appliance provided in the present invention is only referred to, and different models of electrical appliances with the same function can be replaced according to the actual use situation.
Referring to fig. 1-5, the present invention provides a technical solution: an impeller sealing device of a turboexpander comprises a connection plate 1, wherein a sealing plate 2, a sealing bearing 3, a sliding groove 4 and a mounting hole 5 are arranged on the connection plate 1, the sealing plate 2 is fixedly connected at the left end of the connection plate 1 and surrounds the outside of the sealing bearing 3, the outer ring of the sealing bearing 3 is fixedly connected at the center of the inside of the connection plate 1, the sliding groove 4 is positioned inside the connection plate 1 and at the periphery of the sealing bearing 3, the mounting hole 5 penetrates through the inside of the connection plate 1 and is positioned at the corner of the connection plate 1, a rotating shaft 6 is fixedly connected at the inner ring of the sealing bearing 3, an impeller 7 is fixedly connected at the right end of the rotating shaft 6, a rubber sealing ring 8 is arranged on the left surface of the impeller 7, a through hole 9 is arranged inside the rubber sealing ring 8, a metal support rod 10 is arranged inside the left end of the through hole 9, the metal support rod 10 is provided with a miniature bearing 11 and a threaded hole 12, the inner ring of the miniature bearing 11 is fixedly connected to the left end of the metal support rod 10, the threaded hole 12 is positioned inside the right end of the metal support rod 10, the inside of the impeller 7 is provided with a fixing screw 13, in the embodiment, as shown in fig. 1, 2, 3, 4 and 5, through the combination of the sealing plate 2, the chute 4, the mounting hole 5, the rubber sealing ring 8, the metal support rod 10 and the miniature bearing 11, when the impeller of the turbo expander rotates, the connecting plate 1 is sealed with the inner wall of the turbo expander through the sealing plate 2, when the impeller 7 rotates, the rotating shaft 6 is driven to rotate inside the sealing bearing 3, and simultaneously the rubber sealing ring 8 on the impeller 7 drives the miniature bearing 11 to rotate inside the chute 4 through the metal support rod 10, and simultaneously the rubber sealing ring 8 rotates on the right surface of the connecting plate 1, the mounting part of the impeller 7 is effectively sealed, the phenomenon of leakage of the sealing device in the using process is avoided, the sealing device is convenient to disassemble and assemble, and convenience in disassembling and assembling the sealing device is improved.
In this embodiment, referring to fig. 1 and 4, the fixing screw 13 penetrates through the impeller 7 and the inside of the through hole 9 and is connected to the inside of the threaded hole 12 through a thread, which is effective and convenient for allowing the fixing screw 13 to penetrate through the impeller 7 and the inside of the through hole 9 and to be screwed into the inside of the threaded hole 12, so as to fix the metal support rod 10.
In this embodiment, referring to fig. 3 and 4, the small bearing 11 is embedded in the sliding slot 4 and movably connected with the inside of the sliding slot 4, and the small bearing 11 can effectively and conveniently roll in the sliding slot 4.
In this embodiment, referring to fig. 1, the right surface of the rubber sealing ring 8 is fixedly connected to the left surface of the impeller 7, and the left surface of the rubber sealing ring 8 abuts against the right surface of the connecting plate 1 and is movably connected to the right surface of the connecting plate 1, so that the rubber sealing ring 8 can effectively and conveniently seal the position of the sealing bearing 3.
In this embodiment, referring to fig. 4, the outer diameter of the right end of the metal support rod 10 is identical to the inner diameter of the left end of the through hole 9, and is movably connected to the inside of the through hole 9, so that the metal support rod 10 can be effectively and conveniently disassembled and assembled inside the through hole 9.
It should be noted that, the impeller sealing device of the turboexpander of the present invention includes a connection plate 1, a sealing plate 2, a sealing bearing 3, a sliding slot 4, a mounting hole 5, a rotating shaft 6, an impeller 7, a rubber sealing ring 8, a through hole 9, a metal support rod 10, a small bearing 11, a threaded hole 12, a fixing screw 13, and other components that are all common standard components or known by those skilled in the art, and the structure and principle thereof are all known by the technical manual or by a conventional experimental method, at the idle position of the device, all the above electric components, which refer to a power element, an electric component, an adaptive monitoring computer and a power supply, are connected by a wire, and a specific connection means should refer to the following working principle in which the electric components are sequentially electrically connected, and the detailed connection means thereof are known in the art, and the following working principle and process are mainly described, without further explanation of the electrical control, when an impeller sealing device of a turbo expander is used, through the combination of the sealing plate 2, the sliding groove 4, the mounting hole 5, the rubber sealing ring 8, the metal supporting rod 10 and the small bearing 11, when the impeller of the turboexpander rotates, the connecting plate 1 is sealed with the inner wall of the turboexpander through the sealing plate 2, when the impeller 7 rotates, the rotating shaft 6 is driven to rotate in the sealing bearing 3, meanwhile, the rubber sealing ring 8 on the impeller 7 drives the small bearing 11 to rotate in the chute 4 through the metal support rod 10, meanwhile, the rubber sealing ring 8 can rotate on the right surface of the connecting plate 1, the mounting part of the impeller 7 is effectively sealed, the phenomenon that the sealing device leaks in the using process is avoided, the sealing device is convenient to disassemble and assemble, and convenience in disassembling and assembling of the sealing device is improved.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A turbo expander's impeller seal device, includes adapter plate (1), its characterized in that: the connector plate (1) is provided with a sealing plate (2), a sealing bearing (3), a sliding groove (4) and a mounting hole (5), the sealing plate (2) is fixedly connected to the left end of the connector plate (1) and surrounds the sealing bearing (3), the outer ring of the sealing bearing (3) is fixedly connected to the center of the interior of the connector plate (1), the sliding groove (4) is located in the interior of the connector plate (1) and located on the periphery of the sealing bearing (3), the mounting hole (5) penetrates through the interior of the connector plate (1) and located at the corner of the connector plate (1), the inner ring of the sealing bearing (3) is fixedly connected with a rotating shaft (6), the right end of the rotating shaft (6) is fixedly connected with an impeller (7), and the left surface of the impeller (7) is provided with a rubber sealing ring (8), the inside of rubber seal (8) is provided with through-hole (9), the inside of through-hole (9) left end is provided with metal support rod (10), be provided with miniature bearing (11) and screw hole (12) on metal support rod (10), the inner ring fixed connection of miniature bearing (11) is in the left end of metal support rod (10), screw hole (12) are located the inside of metal support rod (10) right-hand member, the inside of impeller (7) is provided with clamping screw (13).
2. The impeller seal device of a turboexpander according to claim 1, wherein: the fixing screw (13) penetrates through the impeller (7) and the inside of the through hole (9) and is connected with the inside of the threaded hole (12) through threads.
3. The impeller seal device of a turboexpander according to claim 1, wherein: the small bearing (11) is embedded in the sliding chute (4) and movably connected with the inside of the sliding chute (4).
4. The impeller seal device of a turboexpander according to claim 1, wherein: the right surface of the rubber sealing ring (8) is fixedly connected to the left surface of the impeller (7), and the left surface of the rubber sealing ring (8) is abutted against the right surface of the connecting plate (1) and is movably connected with the right surface of the connecting plate (1).
5. The impeller seal device of a turboexpander according to claim 1, wherein: the outer diameter of the right end of the metal support rod (10) is matched with the inner diameter of the left end of the through hole (9), and is movably connected with the inside of the through hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121827032.0U CN215445055U (en) | 2021-08-06 | 2021-08-06 | Impeller sealing device of turbo expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121827032.0U CN215445055U (en) | 2021-08-06 | 2021-08-06 | Impeller sealing device of turbo expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215445055U true CN215445055U (en) | 2022-01-07 |
Family
ID=79691910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121827032.0U Expired - Fee Related CN215445055U (en) | 2021-08-06 | 2021-08-06 | Impeller sealing device of turbo expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215445055U (en) |
-
2021
- 2021-08-06 CN CN202121827032.0U patent/CN215445055U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215445055U (en) | Impeller sealing device of turbo expander | |
| CN102570687A (en) | Corrugated pipe compensation sealing type deepwater motor | |
| CN206099585U (en) | High -power two brushless once -through water pump motor of voltage permanent magnetism | |
| CN201918822U (en) | Corrugated pipe compensation sealing type deep-water motor | |
| CN219675188U (en) | Anti-interference electromagnetic flowmeter | |
| CN203452905U (en) | Installation connection structure for diesel engine and electric generator | |
| CN218917475U (en) | Full-sealing fixing device for ultrasonic probe | |
| CN216115844U (en) | Axial displacement monitor for shielding pump | |
| CN214014013U (en) | Step motor with dustproof construction | |
| CN212544386U (en) | Regulator cubicle heat dissipation wind channel | |
| CN219977429U (en) | Sensor convenient to assemble and disassemble joint | |
| CN221402049U (en) | Heating and ventilation pipeline assembled clamping seat easy to adjust | |
| CN220268241U (en) | Split type tapered roller bearing adjusting washer | |
| CN215628147U (en) | Observation window for heat treatment furnace | |
| CN213871015U (en) | Sealing shell for planetary gear reducer | |
| CN217539608U (en) | Mechanical sealing device with heat transfer strengthening structure | |
| CN218543479U (en) | SF6 tester quick-operation joint | |
| CN221826299U (en) | Vibration detector suitable for shaft tower occasion | |
| CN210464904U (en) | Heat exchanger port pressurizer | |
| CN217335276U (en) | Motor end cover sealing device | |
| CN109356880B (en) | Shaft seal and fan | |
| CN218632781U (en) | Knob formula TO-CAN structure convenient TO dismouting | |
| CN220728136U (en) | Court lamp convenient to angle regulation | |
| CN215719813U (en) | Centrifugal pump cover | |
| CN221035090U (en) | Quick installing support of electric power monitor terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220107 |