CN208885350U - Steam turbine regulating valve - Google Patents
Steam turbine regulating valve Download PDFInfo
- Publication number
- CN208885350U CN208885350U CN201820685693.6U CN201820685693U CN208885350U CN 208885350 U CN208885350 U CN 208885350U CN 201820685693 U CN201820685693 U CN 201820685693U CN 208885350 U CN208885350 U CN 208885350U
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- Prior art keywords
- valve
- spring
- steam turbine
- valve rod
- turbine regulating
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 37
- 230000000712 assembly Effects 0.000 claims abstract description 18
- 238000000429 assembly Methods 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000007257 malfunction Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Control Of Turbines (AREA)
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Abstract
The utility model provides a kind of steam turbine regulating valve, comprising: valve casing is provided with cavity on the valve casing；Bonnet assemblies, the bonnet assemblies are mounted on the valve casing, and the mounting hole being connected to the cavity is provided on the bonnet assemblies；Valve rod assembly, the valve rod assembly are worn from the mounting hole to the cavity；Protective shell, the protective shell are set in the periphery of the valve rod assembly and position in the cavity.The utility model effectively prevents valve rod assembly from being caused valve rod assembly to deform by the extruding of external force, cisco unity malfunction improves the stability of steam turbine regulating valve by increasing protective shell.
Description
Technical field
The utility model relates to regulating device technical fields, in particular to a kind of steam turbine regulating valve.
Background technique
There is also the places of some shortcomings for current existing thermal power plant's steam turbine pitch, such as；Existing thermal power plant's steam turbine
Pitch valve rod does not carry out safeguard measure to it, is easy the extruding by external force, valve rod is caused to deform, cisco unity malfunction, and
And the spring in existing thermal power plant's steam turbine pitch spring box is bigger, is easy to cause spring base to separate, to influence bullet
Sensitivity when spring case works.
Utility model content
The main purpose of the utility model is to provide a kind of steam turbine regulating valves, to solve thermal power plant's vapour in the prior art
The problem of valve rod of machine regulating valve is easily deformed.
To achieve the goals above, the utility model provides a kind of steam turbine regulating valve, comprising: valve casing, on the valve casing
It is provided with cavity；Bonnet assemblies, the bonnet assemblies are mounted on the valve casing, are provided on the bonnet assemblies and the sky
The mounting hole of chamber connection；Valve rod assembly, the valve rod assembly are worn from the mounting hole to the cavity；Protective shell, it is described
Protective shell is set in the periphery of the valve rod assembly and position in the cavity.
Further, the valve casing is internally provided with valve setting and valve pocket, is connected with the valve pocket above the valve setting, described
It is equipped with spring box inside valve pocket, the valve rod assembly is connected with above the spring box, the upper end of the valve pocket connects the guarantor
Protective case.
Further, the bonnet assemblies include valve deck, and the valve deck, which is equipped with, adjusts bolt, bolt and fixed column.
Further, the valve rod assembly includes: valve rod, and the valve rod is mounted in the cavity, the bottom of the valve rod
End is connect with the spring box；Connecting rod, the connecting rod are connected to the top of the valve rod；Coupling head, the coupling head connect
It connects the top in the connecting rod and is located at the top of the bonnet assemblies.
Further, the spring box includes: cabinet；First spring base and second spring seat, first spring base and
The second spring seat is installed in the cabinet, and first spring base is located at the top of the second spring seat, described
Valve rod is connect with first spring base；Spring, the both ends of the spring are supported respectively in first spring base and described
On two spring bases；Support column, the support column is fixed at the bottom of the second spring seat, and the bottom of the cabinet is set
It is equipped with the relief hole for avoiding the support column.
Further, the spring box further includes the adjusting component being adjusted for the precision to the spring.
Further, the adjusting component includes: adjusting compression bar, the adjusting compression bar be connected to first spring base and
Between the second spring seat；Regulating part, the regulating part are set on the adjusting compression bar to adjust first spring base
The distance between described second spring seat.
Further, stud section is provided on the adjusting compression bar, the regulating part is to be set in the stud section
Adjusting nut.
Further, the valve rod is welded and fixed with first spring base.
Further, welding is solid between the valve rod and the connecting rod, between the connecting rod and the coupling head
It is fixed
Using the technical solution of the utility model, the utility model effectively prevents valve rod assembly by increasing protective shell
By the extruding of external force, valve rod assembly is caused to deform, cisco unity malfunction improves the stability of steam turbine regulating valve.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 diagrammatically illustrates the cross-sectional view of the steam turbine regulating valve of the utility model；And
Fig. 2 diagrammatically illustrates the internal structure chart of the spring box of the utility model.
Wherein, the above drawings include the following reference numerals:
1, valve casing；2, valve setting；3, valve pocket；4, spring box；5, valve rod；6, protective shell；7, valve deck；8, bolt is adjusted；9, it inserts
Pin；10, fixed column；11, connecting rod；12, coupling head；13, support column；14, second spring seat；15, compression bar is adjusted；16, it adjusts
Nut；17, spring；18, the first spring base.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Referring to figure 1 and figure 2, embodiment according to the present utility model provides a kind of steam turbine regulating valve, the present embodiment
In steam turbine regulating valve especially thermal power plant's steam turbine regulating valve, including valve casing 1, bonnet assemblies, valve rod assembly and protective shell 6.
Wherein, cavity is provided on valve casing 1；Bonnet assemblies are mounted on valve casing 1, are provided on bonnet assemblies and are connected with cavity
Logical mounting hole；Valve rod assembly is worn from mounting hole to cavity；Protective shell 6 is set in the periphery of valve rod assembly and is located at cavity
It is interior.
The present embodiment effectively prevents valve rod assembly from being led to valve rod assembly by the extruding of external force by increasing protective shell 6
Deformation, cisco unity malfunction improve the stability of steam turbine regulating valve.
Referring again to shown in Fig. 1, the valve casing 1 in the present embodiment is internally provided with valve setting 2 and valve pocket 3, connects above valve setting 2
Valve pocket 3 is equipped with spring box 4 inside valve pocket 3, is connected with valve rod 5 above spring box 4, the upper end of valve pocket 3 is connected with protective shell 6, just
It is protected in valve rod assembly.
Specifically, the bonnet assemblies in the present embodiment include valve deck 7, and valve deck 7, which is equipped with, adjusts bolt 8 and bolt 9, just
It is installed in valve deck 7, valve deck 7 is equipped with fixed column 10 and improves the secured of valve deck 7 convenient for positioning to valve deck 7
Property.
Valve rod assembly in the present embodiment includes valve rod 5, connecting rod 11 and coupling head 12, and valve rod 5 is mounted in cavity,
The bottom end of valve rod 5 is connect with spring box 4；Connecting rod 11 is connected to the top of valve rod 5；Coupling head 12 is connected to the top of connecting rod 11
Hold and be located at the top of bonnet assemblies.Connecting rod 11 is fixedly connected on the upper end of valve rod 5, and coupling head 12 is fixedly connected on connecting rod
11 upper end enhances the reception and registration effect in work its role is to effectively improve the sensitivity between coupling head 12 and valve rod 5
Fruit.
Shown in Figure 2, the spring box 4 in the present embodiment includes cabinet, the first spring base 18, second spring seat 14, bullet
Spring 17 and support column 13, wherein the first spring base 18 and second spring seat 14 are installed in cabinet, the first spring base 18
Positioned at the top of second spring seat 14, valve rod 5 is connect with the first spring base 18；It is supported respectively in the first spring at the both ends of spring 17
On seat 18 and second spring seat 14；Support column 13 is fixed at the bottom of second spring seat 14, and the bottom of cabinet is provided with
The relief hole of support column 13 is avoided, column 13 easy to support is flexible.
Preferably, spring box 4 further includes the adjusting component being adjusted for the precision to spring 17.
Specifically, adjusting component includes adjusting compression bar 15 and regulating part.Wherein, it adjusts compression bar 15 and is connected to the first spring
Between seat 18 and second spring seat 14；Regulating part, which is set in, to be adjusted on compression bar 15 to adjust the first spring base 18 and second spring
Seat the distance between 14, by the effect of regulating part, can to the distance between the first spring base 18 and second spring seat 14 into
Row is adjusted, and then the decrement of spring 17 is adjusted, and then the precision of spring 17 is adjusted.
It adjusting and is provided with stud section on compression bar 15, regulating part is the upper adjusting nut 16 for being set in stud section, when adjusting,
It moves adjusting nut 16 in stud section, and then the distance between the first spring base 18 and second spring seat 14 is adjusted
Section, structure is simple, is easy to implement.
As it can be seen that support column 13 is fixedly connected on the bottom of spring box 4, the left end of the first spring base 18 and second spring seat 14
It is fixedly connected and adjusts compression bar 15, and run through the first spring base 18 and second spring seat 14, adjusting nut 16 is movably connected in tune
The lower end of compression bar 15 is saved, spring 17 is fixedly connected on the right side for adjusting compression bar 15, and its role is to can effectively control spring 17
Elasticity number obtains range, prevents 17 overtension of spring, causes the first spring base 18 and second spring seat 14 to separate, to influence bullet
Sensitivity when spring case 4 works.
Preferably, valve rod 5 is welded and fixed with the first spring base 18, between valve rod 5 and connecting rod 11, connecting rod 11 with couple
It is welded and fixed between first 12.
When work, in the work of thermal power plant's steam turbine pitch, after the spring 17 in spring box 4 is controlled, it can generate powerful
Elasticity, and the phenomenon that the first spring base 18 and second spring seat 14 can generate separation under this powerful elasticity for a long time, by
An adjusting compression bar 15 is run through in the side of first spring base 18 and second spring seat 14, and is arbitrarily adjusted with adjusting nut 16
The size of distance between spring box 4 effectively prevents 17 overtension of spring to control the elastic size of spring 17, leads to
One spring base 18 and second spring seat 14 separate, to influence sensitivity when spring box 4 works.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
1, a kind of thermal power plant's steam turbine regulating valve of the utility model, by the increase of protective shell, effectively prevent valve rod by
The extruding of external force, causes valve rod to deform, cisco unity malfunction, improves the stability of steam turbine pitch.
2, a kind of thermal power plant's steam turbine regulating valve of the utility model can effectively control spring by adjusting the increase of compression bar
Elasticity number obtains range, prevents spring tension excessive, spring base is caused to separate, to influence sensitivity when spring box work.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of steam turbine regulating valve characterized by comprising
Valve casing (1) is provided with cavity on the valve casing (1)；
Bonnet assemblies, the bonnet assemblies are mounted on the valve casing (1), are provided on the bonnet assemblies and are connected with the cavity
Logical mounting hole；
Valve rod assembly, the valve rod assembly are worn from the mounting hole to the cavity；
Protective shell (6), the protective shell (6) are set in the periphery of the valve rod assembly and position in the cavity.
2. steam turbine regulating valve according to claim 1, which is characterized in that the valve casing (1) be internally provided with valve setting (2) and
Valve pocket (3), valve setting (2) top are connected with the valve pocket (3), are equipped with spring box (4) inside the valve pocket (3), the bullet
The valve rod assembly is connected with above spring case (4), the upper end of the valve pocket (3) connects the protective shell (6).
3. steam turbine regulating valve according to claim 2, which is characterized in that the bonnet assemblies include valve deck (7), the valve
It covers (7) and is equipped with adjusting bolt (8), bolt (9) and fixed column (10).
4. steam turbine regulating valve according to claim 2, which is characterized in that the valve rod assembly includes:
Valve rod (5), the valve rod (5) are mounted in the cavity, and the bottom end of the valve rod (5) is connect with the spring box (4)；
Connecting rod (11), the connecting rod (11) are connected to the top of the valve rod (5)；
Coupling head (12), the coupling head (12) are connected to the top of the connecting rod (11) and are located at the upper of the bonnet assemblies
Side.
5. steam turbine regulating valve according to claim 4, which is characterized in that the spring box (4) includes:
Cabinet；
First spring base (18) and second spring seat (14), first spring base (18) and the second spring seat (14) are pacified
In the cabinet, first spring base (18) is located at the top of the second spring seat (14), the valve rod (5) and institute
State the first spring base (18) connection；
Spring (17), the both ends of the spring (17) are supported respectively in first spring base (18) and the second spring seat
(14) on；
Support column (13), the support column (13) are fixed at the bottom of the second spring seat (14), and the cabinet
Bottom is provided with the relief hole for avoiding the support column (13).
6. steam turbine regulating valve according to claim 5, which is characterized in that the spring box (4) further includes for described
The adjusting component that the precision of spring (17) is adjusted.
7. steam turbine regulating valve according to claim 6, which is characterized in that the adjusting component includes:
It adjusts compression bar (15), the adjusting compression bar (15) is connected to first spring base (18) and the second spring seat (14)
Between；
Regulating part, the regulating part are set on the adjusting compression bar (15) to adjust first spring base (18) and described
The distance between two spring bases (14).
8. steam turbine regulating valve according to claim 7, which is characterized in that be provided with stud on the adjusting compression bar (15)
Section, the regulating part is the adjusting nut (16) being set in the stud section.
9. steam turbine regulating valve according to claim 5, which is characterized in that the valve rod (5) and first spring base
(18) it is welded and fixed.
10. steam turbine regulating valve according to claim 4, which is characterized in that the valve rod (5) and the connecting rod (11) it
Between, be welded and fixed between the connecting rod (11) and the coupling head (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820685693.6U CN208885350U (en) | 2018-05-09 | 2018-05-09 | Steam turbine regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820685693.6U CN208885350U (en) | 2018-05-09 | 2018-05-09 | Steam turbine regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208885350U true CN208885350U (en) | 2019-05-21 |
Family
ID=66494980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820685693.6U Active CN208885350U (en) | 2018-05-09 | 2018-05-09 | Steam turbine regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208885350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483670A (en) * | 2020-11-30 | 2021-03-12 | 泉州市里维斯精密五金有限公司 | Explosion-proof valve core and water valve |
-
2018
- 2018-05-09 CN CN201820685693.6U patent/CN208885350U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483670A (en) * | 2020-11-30 | 2021-03-12 | 泉州市里维斯精密五金有限公司 | Explosion-proof valve core and water valve |
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| GR01 | Patent grant |