CN108775400A - Stationary seal ring, seal assembly, mechanical equipment and pressure method of adjustment - Google Patents
Stationary seal ring, seal assembly, mechanical equipment and pressure method of adjustment Download PDFInfo
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- CN108775400A CN108775400A CN201810727400.0A CN201810727400A CN108775400A CN 108775400 A CN108775400 A CN 108775400A CN 201810727400 A CN201810727400 A CN 201810727400A CN 108775400 A CN108775400 A CN 108775400A
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- control valve
- fluid
- stationary
- valve opening
- valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
Abstract
A kind of stationary seal ring of present invention offer, seal assembly, mechanical equipment and pressure method of adjustment.The stationary seal ring includes：Stationary ring ontology, for circular cavity structure, outer wall offers fluid inlet and fluid outlet；Fluid input lines, first end are connected to fluid inlet；Three-way pipe, first end are connected to the second end of fluid input lines, and for being connect with pressure sensor, third end is connected to fluid-storing container by connecting pipeline second end, and connecting pipeline is equipped with the first control valve；Fluid outlet line, first end are connected to fluid outlet, and second end is connected with another connecting pipeline, and the second control valve is provided on another connecting pipeline.As it can be seen that the embodiment of the present invention can easily realize the adjustment of the specific contact pressure of stationary seal ring, it can effectively ensure the sealing performance of the seal assembly with the stationary seal ring in this way.
Description
Technical field
The present invention relates to technical field of engineering machinery, more particularly to a kind of stationary seal ring, seal assembly, mechanical equipment and
Pressure method of adjustment.
Background technology
In technical field of engineering machinery, being widely used for seal assembly is general.Generally, seal assembly includes quiet
It the problem of components such as sealing ring, rotary packing ring, existing stationary seal ring often is difficult to adjust there is specific contact pressure, in this way can be right
The sealing performance of seal assembly causes very detrimental effect.Therefore, the contact ratio of stationary seal ring how is more easily realized
The adjustment of pressure, to effectively ensure that the sealing performance of seal assembly is one urgently to be resolved hurrily to those skilled in the art
The problem of.
Invention content
The embodiment of the present invention is designed to provide a kind of stationary seal ring, seal assembly, mechanical equipment and pressure adjustment side
Method, more easily to realize the adjustment of the specific contact pressure of stationary seal ring, to effectively ensure the sealing performance of seal assembly.
In order to solve the above-mentioned technical problem, the embodiment of the present invention is realized in：
In a first aspect, the embodiment of the present invention provides a kind of stationary seal ring, including：
Stationary ring ontology, for circular cavity structure, outer wall offers fluid inlet and fluid outlet；
Fluid input lines, first end are connected with the fluid inlet；
Three-way pipe, first end are connected with the second end of the fluid input lines, and second end is used to pass with pressure
Sensor is connected, and third end is connected with fluid-storing container by connecting pipeline, also, is provided on the connecting pipeline
First control valve；
Fluid outlet line, first end are connected with the fluid outlet, and second end is connected with another connecting pipeline, institute
It states and is provided with the second control valve on another connecting pipeline.
Optionally, the stationary seal ring further includes：
Processing module is electrically connected with the pressure sensor, the pressure value for being acquired according to the pressure sensor, raw
At with first control valve and/or the relevant valve opening control signal of the second control valve；
Control mechanism is electrically connected with the processing module, the valve opening generated for obtaining the processing module
Signal is controlled, and according to the valve opening control signal, controls first control valve and/or second control valve
Valve opening, to adjust the intrinsic Fluid Volume of the stationary ring, so as to adjust the intrinsic pressure size of the stationary ring.
Optionally, when the pressure value is less than preset pressure value, the valve opening control signal is used to indicate increase
The valve opening of first control valve and/or the valve opening for reducing second control valve；
When the pressure value is more than preset pressure value, the valve opening control signal is used to indicate reduction described first
The valve opening of control valve and/or the valve opening for increasing second control valve.
Optionally, the stationary ring ontology includes：
Section is in the first annulus shell of arc-shaped；
Section is in arc-shaped, and the second annulus shell being oppositely arranged with the first annulus shell, first annulus
There are gaps between shell and the second annulus shell；
Section is in the third annulus shell of arc-shaped, the first side of the second annulus shell and first circular ring shell
The first side of body is fixedly connected by the third annulus shell；
Section is in arc-shaped, and is looped around the 4th external annulus shell of the third circular ring shell, second circular ring shell
The second side of body is fixedly connected with the second side of the first annulus shell by the 4th annulus shell, also, institute
It states fluid inlet and the fluid outlet is opened in the 4th annulus shell.
Optionally, middle heart septum 180 degree of the fluid inlet with the fluid outlet relative to the stationary ring ontology is set
It sets.
Second aspect, the embodiment of the present invention provide a kind of seal assembly, including above-mentioned stationary seal ring.
The third aspect, the embodiment of the present invention provide a kind of mechanical equipment, including above-mentioned seal assembly.
Fourth aspect, the embodiment of the present invention provide a kind of pressure method of adjustment, are applied to stationary seal ring, the stationary seal ring
Including stationary ring ontology, fluid input lines, three-way pipe and fluid outlet line；Wherein, the stationary ring ontology is circular cavity
Structure, outer wall offer fluid inlet and fluid outlet；The first end of the fluid input lines and the fluid inlet phase
Connection；The first end of the three-way pipe is connected with the second end of the fluid input lines, and second end is used for and pressure sensing
Device is connected, and third end is connected with fluid-storing container by connecting pipeline, also, is provided with first on the connecting pipeline
Control valve；The first end of the fluid outlet line is connected with the fluid outlet, and the second of the fluid outlet line
End is connected with another connecting pipeline, and the second control valve is provided on another connecting pipeline；
The method includes：
Obtain the pressure value of the pressure sensor acquisition；
According to the pressure value, the valve opening of first control valve and/or second control valve is controlled, with
The intrinsic Fluid Volume of the stationary ring is adjusted, so as to adjust the intrinsic pressure size of the stationary ring.
Optionally, described according to the pressure value, control first control valve and/or second control valve
Valve opening, including：
When the pressure value is less than preset pressure value, increase valve opening and/or the reduction of first control valve
The valve opening of second control valve；
When the pressure value is more than preset pressure value, reduce valve opening and/or the increase of first control valve
The valve opening of second control valve.
In the embodiment of the present invention, the stationary ring ontology in stationary seal ring is circular cavity structure, and the fluid of stationary ring ontology enters
Mouth is connected with fluid input lines, and the fluid outlet of stationary ring ontology is connected with fluid outlet line.In the reality of stationary seal ring
In the course of work of border, corresponding sealing operating mode can be determined according to the pressure value that pressure sensor detects, and according to different
Seal operating mode, the intrinsic pressure size of stationary ring is adjusted, to realize stationary seal ring specific contact pressure adjustment.Specifically
It ground can be by the first control valve and/or the second control valve when the pressure value that pressure sensor detects is smaller
The control of valve opening increases the intrinsic Fluid Volume of stationary ring, to pressurize to stationary ring body interior, to increase static seal
The specific contact pressure of ring.It, can be by the first control valve and/or second when the pressure value that pressure sensor detects is larger
The control of the valve opening of control valve reduces the intrinsic Fluid Volume of stationary ring, to carry out pressure release to stationary ring body interior, to
The specific contact pressure for reducing stationary seal ring, to avoid the breakage that is excessive and causing stationary ring ontology due to pressure.
As can be seen that the pressure value that need to be only detected according to pressure sensor in the embodiment of the present invention, to the first regulating valve
The valve opening of door and/or the second control valve carries out corresponding control can easily realize the specific contact pressure of stationary seal ring very much
Adjustment, can effectively ensure in this way with the stationary seal ring seal assembly sealing performance.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is one of the structural schematic diagram of stationary seal ring provided in an embodiment of the present invention；
Fig. 2 is the second structural representation of stationary seal ring provided in an embodiment of the present invention；
Fig. 3 is one of the sectional view of stationary seal ring provided in an embodiment of the present invention；
Fig. 4 is the two of the sectional view of stationary seal ring provided in an embodiment of the present invention；
Fig. 5 is the flow chart of pressure method of adjustment provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a kind of stationary seal ring, seal assembly, mechanical equipment and pressure methods of adjustment.
Stationary seal ring provided in an embodiment of the present invention is illustrated first below.
It should be noted that stationary seal ring provided in an embodiment of the present invention can be made of metal material, it can also be by non-
Metal material is made, it is only necessary to ensure that the stationary seal ring has preferable bearing capacity, the embodiment of the present invention quiet close to this
The specific material of seal ring does not do any restriction.
Referring to Fig. 1 to Fig. 4, the structural schematic diagram of stationary seal ring provided in an embodiment of the present invention is shown in figure.Extremely such as Fig. 1
Shown in Fig. 4, which includes：Stationary ring ontology 10, fluid input lines 20, three-way pipe 30 and fluid outlet line 40.
Wherein, stationary ring ontology 10 is circular cavity structure, and the outer wall of stationary ring ontology 10, which offers fluid inlet, (does not scheme
Show) and fluid outlet (not shown).It should be pointed out that stationary ring ontology 10 has the sealed end for coordinating with rotary packing ring
Face.
Optionally, fluid inlet can be spaced 180 degree setting with fluid outlet relative to the center of stationary ring ontology 10.When
So, fluid inlet and fluid outlet are not limited to 180 degree relative to the interval angles at the center of stationary ring ontology 10, specifically can be with
It is determined according to actual conditions, the embodiment of the present invention does not do this any restriction.In addition, the size of fluid inlet and fluid outlet
(such as caliber size) may be the same or different.
The first end (right end shown in Fig. 1) of fluid input lines 20 is connected with fluid inlet.
It optionally, can be by the modes such as being spirally connected, welding between the first end of fluid input lines 20 and stationary ring ontology 10
It is fixedly connected.It is understood that due to the first end of fluid input lines 20 and the connection of fluid inlet, from fluid input tube
The fluid of the first end output on road 20 can be entered in stationary ring ontology 10 by fluid inlet.
The first end (right end shown in Fig. 1) of three-way pipe 30 is with the second end of fluid input lines 20 (shown in Fig. 1
Left end) it is connected, the second end (upper end shown in Fig. 1) of three-way pipe 30 with pressure sensor 50 for being connected, three-way pipe
30 third end (left end shown in Fig. 1) is connected with fluid-storing container 60 by connecting pipeline 70, also, connecting pipeline
The first control valve 80 is provided on 70.
Wherein, the liquid that fluid-storing container 60 is stored both can be liquid, or gas.The of three-way pipe 30
Can be to be threadedly coupled between one end and the second end of fluid input lines 20, second end and the pressure sensor 50 of three-way pipe 30
Between or be threadedly coupled, between the third end and connecting pipeline 70 of three-way pipe 30 or be threadedly coupled.
It is understood that pressure sensor 50 can detect the pressure value for the fluid for flowing through three-way pipe 30 in real time, and
The first end of three-way pipe 30 is connected by fluid input lines 20 with fluid inlet, it is therefore contemplated that pressure sensor 50
What is detected is the pressure value in stationary ring ontology 10.In addition, due to the setting of the first control valve 80, in the first control valve 80
Valve opening change in the case of, the Fluid Volume in stationary ring ontology 10 can also change, correspondingly, stationary ring ontology 10
Interior pressure size can adjust.
The first end (left end shown in Fig. 1) of fluid outlet line 40 is connected with fluid outlet, fluid outlet line
40 second end (right end shown in Fig. 1) is connected with another connecting pipeline 90, and second is provided on another connecting pipeline 90
Control valve 100.
It optionally, can be by the modes such as being spirally connected, welding between the first end of fluid outlet line 40 and stationary ring ontology 10
It is fixedly connected.
It is understood that due to the first end of fluid outlet line 40 and the connection of fluid outlet, fluid outlet line
The connection of 40 second end and another connecting pipeline 90, the fluid in stationary ring ontology 10 can be defeated through fluid outlet, fluid successively
Go out outside pipeline 40 and the output to stationary ring ontology 10 of another connecting pipeline 90.In addition, due to the setting of the second control valve 100,
In the case where the valve opening of the second control valve 100 changes, can occur from the interior Fluid Volume flowed out of stationary ring ontology 10
Variation, correspondingly, the pressure size in stationary ring ontology 10 can adjust.
It should be noted that the variation of the valve opening of the first control valve 80 and the second control valve 100 can be people
Work is realized by manually controlling, or stationary seal ring is realized by automatically controlling, clear in order to be laid out, subsequently to controlling automatically
The specific implementation form of system carries out citing introduction.
In the embodiment of the present invention, the stationary ring ontology 10 in stationary seal ring is circular cavity structure, the stream of stationary ring ontology 10
Body entrance is connected with fluid input lines 20, and the fluid outlet of stationary ring ontology 10 is connected with fluid outlet line.Quiet close
In the practical work process of seal ring, corresponding sealing operating mode can be determined according to the pressure value that pressure sensor 50 detects, and
According to different sealing operating modes, the pressure size in stationary ring ontology 10 is adjusted, to realize the contact ratio of stationary seal ring
The adjustment of pressure.It specifically, can be by the first control valve 80 when the pressure value that pressure sensor 50 detects is smaller
And/or second control valve 100 valve opening control, increase the Fluid Volume in stationary ring ontology 10, with to stationary ring ontology 10
Inside is pressurizeed, to increase the specific contact pressure of stationary seal ring.It, can when the pressure value that pressure sensor 50 detects is larger
By the control of the valve opening to the first control valve 80 and/or the second control valve 100, to reduce in stationary ring ontology 10
Fluid Volume, to carry out pressure release to 10 inside of stationary ring ontology, to reduce the specific contact pressure of stationary seal ring, to avoid due to pressure mistake
Breakage that is big and causing stationary ring ontology 10.
As can be seen that the pressure value that need to be only detected according to pressure sensor 50 in the embodiment of the present invention, is adjusted to first
The valve opening of valve 80 and/or the second control valve 100 carries out corresponding control can easily realize stationary seal ring very much
The adjustment of specific contact pressure can effectively ensure the sealing performance of the seal assembly with the stationary seal ring in this way.
Optionally, stationary seal ring further includes：Processing module (not shown) and control mechanism (not shown)；Wherein,
Processing module is electrically connected with pressure sensor 50, for the pressure value that acquire according to pressure sensor 50, generate and
100 relevant valve opening control signal of first control valve 80 and/or the second control valve；
Control mechanism is electrically connected with processing module, the valve opening control signal for obtaining processing module generation, and root
According to valve opening control signal, the valve opening of the first control valve 80 and/or the second control valve 100 is controlled, it is quiet to adjust
Fluid Volume in ring body 10, so as to adjust the pressure size in stationary ring ontology 10.
Wherein, processing module can be a control chip；Control mechanism can realize the first tune by Mechanical Driven mode
Save the control of the valve opening of valve 80 and/or the second control valve 100.
Optionally, when pressure value is less than preset pressure value, valve opening control signal is used to indicate increase first and adjusts
The valve opening of valve 80 and/or the valve opening for reducing the second control valve 100；
When pressure value is more than preset pressure value, valve opening control signal, which is used to indicate, reduces the first control valve 80
Valve opening and/or the valve opening for increasing the second control valve 100.
In the present embodiment, processing module can obtain the pressure value of the acquisition of pressure sensor 50, next, processing module can
According to the pressure value of acquisition, to generate corresponding valve opening control signal.
When the pressure value of acquisition is less than preset pressure value, it is believed that stationary seal ring needs to increase specific contact pressure, at this point,
Processing module can generate the valve opening control signal for increasing specific contact pressure, that is, be used to indicate and increase the first control valve
The valve opening control signal of the valve opening of 80 the second control valve 100 of valve opening and/or reduction.For example, should
Valve opening control signal can serve to indicate that the valve opening by the first control valve 80 increases to 100%, and by second
The valve opening of control valve 100 is decreased to 0.In this way, after control mechanism receives the valve opening control signal, control machine
Structure can be opened the valve of the first control valve 80 by Mechanical Driven mode according to the instruction of the valve opening control signal
Degree increases to 100%, and the valve opening of the second control valve 100 is decreased to 0, to increase the contact ratio of stationary seal ring
Pressure.
When the pressure value of acquisition is more than preset pressure value, it is believed that stationary seal ring needs to reduce specific contact pressure, at this point,
Processing module can generate the valve opening control signal for reducing specific contact pressure, that is, be used to indicate and reduce the first control valve
The valve opening control signal of the valve opening of 80 the second control valve 100 of valve opening and/or increase.For example, should
Valve opening control signal can serve to indicate that the valve opening by the first control valve 80 is decreased to 0, and second is adjusted
The valve opening of valve 100 increases to 100%.In this way, after control mechanism receives the valve opening control signal, control machine
Structure can be opened the valve of the first control valve 80 by Mechanical Driven mode according to the instruction of the valve opening control signal
Degree is decreased to 0, and the valve opening of the second control valve 100 is increased to 100%, to reduce the contact ratio of stationary seal ring
Pressure.
In the present embodiment, processing module can obtain the pressure value of the acquisition of pressure sensor 50 automatically, to generate and send
Corresponding valve opening control signal, so that control mechanism is according to the valve opening control signal received, automatically to first
The valve opening of control valve 80 and/or the second control valve 100 controlled, to realize the specific contact pressure of stationary seal ring
Adjustment.As can be seen that stationary seal ring can be according to the pressure size in stationary ring ontology 10, the automatic adjustment for realizing specific contact pressure,
Entire adjustment process is participated in without artificial, more can easily realize the adjustment of specific contact pressure in this way.
Optionally, stationary ring ontology includes：First annulus shell 101, the second annulus shell 102,103 and of third annulus shell
4th annulus shell 104；Wherein,
The section of first annulus shell 101 is in arc-shaped；
The section of second annulus shell 102 is in arc-shaped and is oppositely arranged with the first annulus shell 101, the first annulus shell
101 and second there are gaps between annulus shell 102；
The section of third annulus shell 103 is in arc-shaped, the first side of the second annulus shell 102 and the first annulus shell
101 first side is fixedly connected by third annulus shell 103；
The section of 4th annulus shell 104 is in arc-shaped and is looped around outside third annulus shell 103, the second annulus shell
102 second side is fixedly connected with the second side of the first annulus shell 101 by the 4th annulus shell 104, also, fluid
Entrance and fluid outlet are opened in the 4th annulus shell 104.
Wherein, third annulus shell 103 respectively with the first side of the second annulus shell 102 and the first annulus shell 101
First side between all can be weld；4th annulus shell 104 respectively with the second side of the second annulus shell 102 and
Between the second side of one annulus shell 101 or weld.
As can be seen that in the present embodiment, stationary ring ontology is justified by the first annulus shell 101, the second annulus shell 102, third
Toroidal shell body 103 and the 4th annulus shell 104 are formed by connecting, and the overall structure of stationary ring ontology is very simple.In addition, though the 4th circle
Fluid inlet and fluid outlet are offered on toroidal shell body 104, still, the 4th annulus shell 104 and third annulus shell 103 are opposite
It is almost symmetry in the first annulus shell 101 (or second annulus shell 102), can reduces occur on stationary ring ontology 10 in this way
The possibility of stress concentration.
To sum up, the only pressure value that need to be detected according to pressure sensor 50 in the present embodiment, to the first control valve 80 and/
Or second the valve opening of control valve 100 carry out corresponding control and can easily realize very much the specific contact pressure of stationary seal ring
Adjustment can effectively ensure the sealing performance of the seal assembly with the stationary seal ring in this way.
A kind of seal assembly provided in an embodiment of the present invention is illustrated below.
The embodiment of the present invention additionally provides a kind of seal assembly, which includes above-mentioned stationary seal ring.Wherein, quiet
The specific implementation process of sealing ring does not do this any restriction with reference to above description, the embodiment of the present invention.
Since stationary seal ring has above-mentioned technique effect, therefore the seal assembly with the stationary seal ring is also with corresponding skill
Art effect, details are not described herein.
A kind of mechanical equipment provided in an embodiment of the present invention is illustrated below.
The embodiment of the present invention also provides a kind of mechanical equipment, which includes above-mentioned seal assembly.Wherein, this is close
The specific implementation process of sealing assembly does not do this any restriction with reference to above description, the embodiment of the present invention.
Since seal assembly has above-mentioned technique effect, therefore the mechanical equipment with the seal assembly is also with corresponding skill
Art effect, details are not described herein.
Pressure method of adjustment provided in an embodiment of the present invention is illustrated below.
Referring to Fig. 5, a kind of flow chart of pressure method of adjustment provided in an embodiment of the present invention is shown in figure.This method is answered
For stationary seal ring, stationary seal ring includes stationary ring ontology, fluid input lines, three-way pipe and fluid outlet line；Wherein, stationary ring
Ontology is circular cavity structure, and outer wall offers fluid inlet and fluid outlet；The first end and stream of fluid input lines
Body entrance is connected；The first end of three-way pipe is connected with the second end of fluid input lines, and second end is used for and pressure sensing
Device is connected, and third end is connected with fluid-storing container by connecting pipeline, also, the first adjusting is provided on connecting pipeline
Valve；The first end of fluid outlet line is connected with fluid outlet, the second end of fluid outlet line and another connecting pipeline
It is connected, the second control valve is provided on another connecting pipeline；As shown in figure 5, this method comprises the following steps：
Step 501, the pressure value of pressure sensor acquisition is obtained；
Step 502, according to pressure value, the valve opening of the first control valve and/or the second control valve is controlled, with adjustment
The intrinsic Fluid Volume of stationary ring, so as to adjust the intrinsic pressure size of stationary ring.
Optionally, according to pressure value, the valve opening of the first control valve and/or the second control valve is controlled, including：
When pressure value is less than preset pressure value, increases the valve opening of the first control valve and/or reduce the second adjusting
The valve opening of valve；
When pressure value is more than preset pressure value, reduces the valve opening of the first control valve and/or increase the second adjusting
The valve opening of valve.
As can be seen that in the embodiment of the present invention, stationary seal ring can be automatic to realize according to the intrinsic pressure size of stationary ring
The adjustment of specific contact pressure, the entire process that adjusts are participated in without artificial, can easily realize very much the adjustment of specific contact pressure in this way,
To effectively ensure the sealing performance of the seal assembly with the stationary seal ring.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.
Claims (9)
1. a kind of stationary seal ring, which is characterized in that including：
Stationary ring ontology, for circular cavity structure, outer wall offers fluid inlet and fluid outlet；
Fluid input lines, first end are connected with the fluid inlet；
Three-way pipe, first end are connected with the second end of the fluid input lines, and second end is used for and pressure sensor
It is connected, third end is connected with fluid-storing container by connecting pipeline, also, is provided with first on the connecting pipeline
Control valve；
Fluid outlet line, first end are connected with the fluid outlet, and second end is connected with another connecting pipeline, described another
A connecting pipe road is provided with the second control valve.
2. stationary seal ring according to claim 1, which is characterized in that further include：
Processing module is electrically connected with the pressure sensor, for the pressure value that acquire according to the pressure sensor, generate and
First control valve and/or the relevant valve opening control signal of the second control valve；
Control mechanism is electrically connected with the processing module, the valve opening control generated for obtaining the processing module
Signal, and according to the valve opening control signal, control the valve of first control valve and/or second control valve
Door aperture, to adjust the intrinsic Fluid Volume of the stationary ring, so as to adjust the intrinsic pressure size of the stationary ring.
3. stationary seal ring according to claim 2, which is characterized in that
When the pressure value is less than preset pressure value, the valve opening control signal, which is used to indicate, increases first adjusting
The valve opening of valve and/or the valve opening for reducing second control valve；
When the pressure value is more than preset pressure value, the valve opening control signal, which is used to indicate, reduces first adjusting
The valve opening of valve and/or the valve opening for increasing second control valve.
4. stationary seal ring according to claim 1, which is characterized in that the stationary ring ontology includes：
Section is in the first annulus shell of arc-shaped；
Section is in arc-shaped, and the second annulus shell being oppositely arranged with the first annulus shell, the first annulus shell
There are gaps between the second annulus shell；
Section is in the third annulus shell of arc-shaped, the first side of the second annulus shell and the first annulus shell
First side is fixedly connected by the third annulus shell；
Section is in arc-shaped, and is looped around the 4th external annulus shell of the third circular ring shell, the second annulus shell
Second side is fixedly connected with the second side of the first annulus shell by the 4th annulus shell, also, the stream
Body entrance and the fluid outlet are opened in the 4th annulus shell.
5. stationary seal ring according to any one of claim 1 to 4, which is characterized in that the fluid inlet and the stream
Body is exported to be arranged relative to the middle heart septum 180 degree of the stationary ring ontology.
6. a kind of seal assembly, which is characterized in that include the stationary seal ring as described in any one of claim 1 to 5.
7. a kind of mechanical equipment, which is characterized in that including seal assembly as claimed in claim 6.
8. a kind of pressure method of adjustment, which is characterized in that be applied to stationary seal ring, the stationary seal ring includes stationary ring ontology, stream
Body intake line, three-way pipe and fluid outlet line；Wherein, the stationary ring ontology is circular cavity structure, and outer wall opens up
There are fluid inlet and fluid outlet；The first end of the fluid input lines is connected with the fluid inlet；The three-way pipe
First end be connected with the second end of the fluid input lines, second end with pressure sensor for being connected, third end
It is connected by connecting pipeline with fluid-storing container, also, is provided with the first control valve on the connecting pipeline；The stream
The first end of body output pipe is connected with the fluid outlet, the second end of the fluid outlet line and another connecting pipeline
It is connected, the second control valve is provided on another connecting pipeline；
The method includes：
Obtain the pressure value of the pressure sensor acquisition；
According to the pressure value, the valve opening of first control valve and/or second control valve is controlled, with adjustment
The intrinsic Fluid Volume of stationary ring, so as to adjust the intrinsic pressure size of the stationary ring.
9. according to the method described in claim 8, it is characterized in that, described according to the pressure value, control described first is adjusted
The valve opening of valve and/or second control valve, including：
When the pressure value is less than preset pressure value, increase described in valve opening and/or the reduction of first control valve
The valve opening of second control valve；
When the pressure value is more than preset pressure value, reduce described in valve opening and/or the increase of first control valve
The valve opening of second control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810727400.0A CN108775400A (en) | 2018-07-05 | 2018-07-05 | Stationary seal ring, seal assembly, mechanical equipment and pressure method of adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810727400.0A CN108775400A (en) | 2018-07-05 | 2018-07-05 | Stationary seal ring, seal assembly, mechanical equipment and pressure method of adjustment |
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| CN108775400A true CN108775400A (en) | 2018-11-09 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810727400.0A Pending CN108775400A (en) | 2018-07-05 | 2018-07-05 | Stationary seal ring, seal assembly, mechanical equipment and pressure method of adjustment |
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| US4073521A (en) * | 1976-08-30 | 1978-02-14 | Mena Joseph M | Closure lock with inflatable bladder |
| CN2069947U (en) * | 1990-06-14 | 1991-01-23 | 李子红 | Prepressed dynamic-pressure compensated reciprocation sealing device |
| CN2080592U (en) * | 1990-07-27 | 1991-07-10 | 高绍纪 | Gas-pressure backflow end surface tail shaft seal |
| CN1285301A (en) * | 2000-09-29 | 2001-02-28 | 成都明达船用密封有限公司 | Oil lubricating seal device for ship tail shaft |
| CN101706026A (en) * | 2009-11-12 | 2010-05-12 | 中冶北方工程技术有限公司 | Air inflation sealing device for pipeline connection |
| CN201539572U (en) * | 2009-08-13 | 2010-08-04 | 都江堰东翔环保科技有限公司 | Device for conducting contact seal through constant pressure of air sac |
| CN203757001U (en) * | 2013-12-28 | 2014-08-06 | 楚天科技股份有限公司 | Air-charging sealing ring assembly |
-
2018
- 2018-07-05 CN CN201810727400.0A patent/CN108775400A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4073521A (en) * | 1976-08-30 | 1978-02-14 | Mena Joseph M | Closure lock with inflatable bladder |
| CN2069947U (en) * | 1990-06-14 | 1991-01-23 | 李子红 | Prepressed dynamic-pressure compensated reciprocation sealing device |
| CN2080592U (en) * | 1990-07-27 | 1991-07-10 | 高绍纪 | Gas-pressure backflow end surface tail shaft seal |
| CN1285301A (en) * | 2000-09-29 | 2001-02-28 | 成都明达船用密封有限公司 | Oil lubricating seal device for ship tail shaft |
| CN201539572U (en) * | 2009-08-13 | 2010-08-04 | 都江堰东翔环保科技有限公司 | Device for conducting contact seal through constant pressure of air sac |
| CN101706026A (en) * | 2009-11-12 | 2010-05-12 | 中冶北方工程技术有限公司 | Air inflation sealing device for pipeline connection |
| CN203757001U (en) * | 2013-12-28 | 2014-08-06 | 楚天科技股份有限公司 | Air-charging sealing ring assembly |
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Application publication date: 20181109 |