CN208619674U - Water conservancy diversion sealing device is isolated - Google Patents
Water conservancy diversion sealing device is isolated Download PDFInfo
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- CN208619674U CN208619674U CN201821223528.5U CN201821223528U CN208619674U CN 208619674 U CN208619674 U CN 208619674U CN 201821223528 U CN201821223528 U CN 201821223528U CN 208619674 U CN208619674 U CN 208619674U
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- ring
- stationary ring
- rotary shaft
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Abstract
The utility model provides a kind of isolation water conservancy diversion sealing device, including at least rotary shaft, equipment end cap, rotating ring and stationary ring, moving ring sleeve is fixed on the rotary shaft and with rotary shaft, and is rotated together with rotary shaft, equipment end cap covers on the rotary shaft, and stationary ring is connected and fixed with equipment end cap；The rotating ring includes the first main ring being arranged radially along rotary shaft, and the interior rotating ring, middle rotating ring and the outer rotating ring that are connected on the first main ring；The stationary ring includes the second main ring being arranged radially along rotary shaft, and the interior stationary ring, middle stationary ring and the outer stationary ring that are connected on the second main ring, and the stationary ring covers on rotating ring, and it is interspersed to intermesh between the two, and tortuous seal chamber is collectively formed；The device not only favorable sealing property, plays the effect of isolation, additionally it is possible to according to the different corresponding selection fillers of institute's sealing medium, play the effect of water conservancy diversion.
Description
Technical field
The utility model provides a kind of sealing device more particularly to a kind of sealing device with water conservancy diversion, isolation features,
Belong to technical field of mechanical.
Background technique
Labyrinth seal is that several belt sealing teeth being arranged successively are set around rotation axis, and a system is formed between tooth and tooth
Shut off gap and expansion cavity are arranged, sealed medium generates throttle effect when through the gap in tortuous labyrinth and reaches Drain Resistance
The device of purpose.Since there are gap, no solid contacts between the rotor and casing of labyrinth seal, and allow to have thermal expansion, therefore
Adapt to high temperature, high pressure, the occasion of high speed-frequency, this seal form be widely used in steam turbine, gas turbine, compressor,
The shaft end of air blower and it is at different levels between sealing.
In the stringenter occasion of some requirements, sealing device will not only reach in seal chamber when in use to be lubricated
The zero leakage of oil, but also to achieve the purpose that prevent extraneous pollutant from entering inside seal chamber, in addition, for sealing element
Service life also has higher requirement, therefore it provides a kind of sealing performance is very excellent, and the sealing that service life is permanent
Device becomes this field urgent problem to be solved.
Summary of the invention
The utility model solves deficiency in the prior art, provides a kind of isolation water conservancy diversion sealing device, the device is not
Only favorable sealing property plays the effect of isolation, additionally it is possible to according to the different corresponding selection fillers of institute's sealing medium, play and lead
The effect of stream.
Realize technical solution used by the utility model above-mentioned purpose are as follows:
A kind of isolation water conservancy diversion sealing device, includes at least rotary shaft, equipment end cap, rotating ring and stationary ring, and moving ring sleeve is rotating
It fixes on axis and with rotary shaft, and is rotated together with rotary shaft, equipment end cap covers on the rotary shaft, and stationary ring is connect with equipment end cap
It is fixed；The rotating ring includes the first main ring being arranged radially along rotary shaft, and be connected on the first main ring interior rotating ring, in
Rotating ring and outer rotating ring, interior rotating ring, middle rotating ring and outer rotating ring along rotary shaft axially be arranged, the first main ring, interior rotating ring, middle rotating ring and
The section that outer rotating ring is collectively formed is in " E " shape；The stationary ring includes the second main ring being arranged radially along rotary shaft, and connection
In interior stationary ring, middle stationary ring and outer stationary ring on the second main ring, interior stationary ring, middle stationary ring and outer stationary ring are axially arranged along rotary shaft,
The section that second main ring, interior stationary ring, middle stationary ring and outer stationary ring are collectively formed is in anti-" E " shape, and the stationary ring covers on rotating ring, and two
It intermeshes between person interspersed, tortuous seal chamber is collectively formed, outer rotating ring is between middle stationary ring and outer stationary ring, middle rotating ring position
Between interior stationary ring and middle stationary ring, interior stationary ring is between interior rotating ring and middle rotating ring；The equipment end cap, interior rotating ring and interior quiet
It is provided with seal groove on the inner headed face of ring, is mounted on sealing ring in seal groove.
It is distributed with axial bolt hole on the outer stationary ring, connection bolt is installed in bolt hole, and equipment end covers pair
It should be provided with threaded hole, stationary ring is fixed on equipment end by connection bolt and covers.
On the middle rotating ring, outer rotating ring, interior stationary ring, middle stationary ring and outer stationary ring, it is provided with more than one protrusion
Seal ring gear.
The bottom of the outer stationary ring is provided with interface tube.
Compared with prior art, the utility model has the advantage that the side of equipment end cap in the application is to be sealed
Region, set sealing ring is first of sealing between equipment end cap and rotary shaft, and the medium sealed is sealed by this
Circle enters in seal chamber, fills in the insulating effect and seal chamber of set multiple sealing ring gears on rotating ring and stationary ring
It under the barrier of sealing medium, can not further leak, to play the sealing effect of isolation.If the substance sealed is liquid
When, return pipe is connected at pipe fitting, under the influence of centrifugal force into the liquid in seal chamber, be gathered in the bottom of stationary ring and
Return pipe is flowed into via interface tube.If the substance sealed is gas or steam, tracheae is connected at pipe fitting, by tracheae to
High pressure gas is poured in seal chamber, is completely cut off.If the substance sealed is dust, greasing pipe is connected at pipe fitting,
By injecting grease into seal chamber, to play the effect of isolation dust, powder.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of isolation water conservancy diversion sealing device provided by the utility model；
In figure: 1- rotary shaft, 2- equipment end cap, the first main ring of 3-, rotating ring in 4-, the outer rotating ring of 5-, the second main ring of 6-, in 7-
Stationary ring, stationary ring in 8-, the outer stationary ring of 9-, 10- seal chamber, 11- sealing ring, 12- connection bolt, 13- threaded hole, 14- sealing ring gear,
Rotating ring in 15-, 16- interface tube.
Specific embodiment
Detailed specific description is done to the utility model with reference to the accompanying drawing.
As shown in FIG. 1, FIG. 1 is cross-sectional views for the overall structure of isolation water conservancy diversion sealing device provided by the utility model.It should be every
It include rotary shaft 1, equipment end cap 2, rotating ring and stationary ring from water conservancy diversion sealing device, moving ring sleeve is on the rotary shaft and solid with rotary shaft
Fixed, and rotate together with rotary shaft, the rotating ring includes the first main ring 3 being arranged radially along rotary shaft, and is connected to the
Interior rotating ring 4, middle rotating ring 15 and outer rotating ring 5 on one main ring, interior rotating ring, middle rotating ring and outer rotating ring are axially arranged along rotary shaft,
The section that first main ring, interior rotating ring, middle rotating ring and outer rotating ring three are collectively formed is in " E " shape；On the inner headed face of interior rotating ring
It is provided with seal groove, the sealing ring 11 being in contact with rotary shaft is mounted in seal groove, sealing ring, which is extruded, is installed on sealing
In slot, rotating ring is fixed on the rotary shaft under the frictional force effect of sealing ring.
The stationary ring includes the second main ring 6 being arranged radially along rotary shaft, and is connected to interior quiet on the second main ring
Ring 7, middle stationary ring 8 and outer stationary ring 9, interior stationary ring, middle stationary ring and outer stationary ring along rotary shaft axially be arranged, the second main ring, interior stationary ring,
The section that middle stationary ring and outer stationary ring are collectively formed is in anti-" E " shape.Seal groove, peace in seal groove are provided on the inner headed face of interior stationary ring
Equipped with the sealing ring 11 being in contact with the periphery of interior rotating ring, interior stationary ring is realized between interior rotating ring under the action of seal groove
Sealing.
Equipment end cap covers on the rotary shaft, and seal groove, installation in seal groove are provided on the inner headed face of the equipment end cap
There is the sealing ring being in contact with rotary shaft.Axial bolt hole is distributed on the outer stationary ring 9, connection bolt 12 is installed on spiral shell
In keyhole, equipment end, which covers, is correspondingly arranged on threaded hole 13, and stationary ring is fixed on equipment end by connection bolt and covers.
The stationary ring covers on rotating ring, and it is interspersed to intermesh between the two, and tortuous seal chamber 10 is collectively formed, outer dynamic
Ring is between middle stationary ring and outer stationary ring, and between interior stationary ring and middle stationary ring, interior stationary ring is located at interior rotating ring and moves in middle rotating ring
Between ring；On the interior rotating ring, outer rotating ring, interior stationary ring, middle stationary ring and outer stationary ring, it is provided with the close of more than one protrusion
Seal ring gear 14.The bottom of the outer stationary ring is provided with interface tube 17.
Claims (4)
1. a kind of isolation water conservancy diversion sealing device includes at least rotary shaft, equipment end cap, rotating ring and stationary ring, moving ring sleeve is in rotary shaft
It above and with rotary shaft fixes, and is rotated together with rotary shaft, equipment end cap covers on the rotary shaft, and stationary ring connect solid with equipment end cap
It is fixed；It is characterized by: the rotating ring includes the first main ring being arranged radially along rotary shaft, and it is connected on the first main ring
Interior rotating ring, middle rotating ring and outer rotating ring, interior rotating ring, middle rotating ring and outer rotating ring are axially arranged along rotary shaft, the first main ring, interior dynamic
The section that ring, middle rotating ring and outer rotating ring are collectively formed is in " E " shape；The stationary ring includes the second master being arranged radially along rotary shaft
Ring, and the interior stationary ring, middle stationary ring and the outer stationary ring that are connected on the second main ring, interior stationary ring, middle stationary ring and outer stationary ring are along rotation
Axis is axially arranged, and the section that the second main ring, interior stationary ring, middle stationary ring and outer stationary ring are collectively formed is in anti-" E " shape, and the stationary ring covers
On rotating ring, and it is interspersed to intermesh between the two, is collectively formed tortuous seal chamber, outer rotating ring be located at middle stationary ring and outer stationary ring it
Between, middle rotating ring is between interior stationary ring and middle stationary ring, and interior stationary ring is between interior rotating ring and middle rotating ring；It is the equipment end cap, interior
It is provided with seal groove on the inner headed face of rotating ring and interior stationary ring, is mounted on sealing ring in seal groove.
2. isolation water conservancy diversion sealing device according to claim 1, it is characterised in that: axial direction is distributed on the outer stationary ring
Bolt hole, connection bolt is installed in bolt hole, and equipment end, which covers, is correspondingly arranged on threaded hole, and stationary ring is solid by connection bolt
It is covered due to equipment end.
3. isolation water conservancy diversion sealing device according to claim 1, it is characterised in that: the middle rotating ring, outer rotating ring, interior quiet
On ring, middle stationary ring and outer stationary ring, it is provided with the sealing ring gear of more than one protrusion.
4. isolation water conservancy diversion sealing device according to claim 3, it is characterised in that: the bottom of the outer stationary ring is provided with pipe
Interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821223528.5U CN208619674U (en) | 2018-07-31 | 2018-07-31 | Water conservancy diversion sealing device is isolated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821223528.5U CN208619674U (en) | 2018-07-31 | 2018-07-31 | Water conservancy diversion sealing device is isolated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208619674U true CN208619674U (en) | 2019-03-19 |
Family
ID=65708081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821223528.5U Active CN208619674U (en) | 2018-07-31 | 2018-07-31 | Water conservancy diversion sealing device is isolated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208619674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696485A (en) * | 2020-12-25 | 2021-04-23 | 中国船舶重工集团公司第七0三研究所 | Non-contact combined seal for gearbox |
-
2018
- 2018-07-31 CN CN201821223528.5U patent/CN208619674U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696485A (en) * | 2020-12-25 | 2021-04-23 | 中国船舶重工集团公司第七0三研究所 | Non-contact combined seal for gearbox |
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