CN208650921U - A kind of blade that steam turbine use can be anti-loose - Google Patents
A kind of blade that steam turbine use can be anti-loose Download PDFInfo
- Publication number
- CN208650921U CN208650921U CN201821233509.0U CN201821233509U CN208650921U CN 208650921 U CN208650921 U CN 208650921U CN 201821233509 U CN201821233509 U CN 201821233509U CN 208650921 U CN208650921 U CN 208650921U
- Authority
- CN
- China
- Prior art keywords
- threaded hole
- blade
- loose
- steam turbine
- scarfing cinder
- 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.)
- Active
Links
Abstract
The utility model provides a kind of blade that steam turbine use can be anti-loose, including long bolt, connecting rod and steel needle, the long bolt left end passes through threaded hole one and is mounted in threaded hole two, the connecting rod is mounted on long bolt left end, the steel needle is fixed on the upside of connecting rod annular side and steel needle upper end is in contact with threaded hole one, the design, which solves in the blade that original steam turbine use can be anti-loose, lacks scarfing cinder function, the iron rust in threaded hole two can not be struck off in long bolt rotation process, the problem of scarfing cinder convenience deficiency, the utility model has the function of convenient scarfing cinder, it is easy for installation, production is simple.
Description
Technical field
The utility model is a kind of steam turbine blade that can be anti-loose, belongs to steam turbine accessories field.
Background technique
Steam turbine is also referred to as steam turbine engine, is a kind of rotary steam power device, and high temperature and high pressure steam passes through solid
Nozzle is determined as being ejected on blade after the air-flow accelerated, makes the rotor rotation equipped with blade row, while external work done, due to leaf
Piece working environment is moist for a long time, so each component junction gets rusty easily, periodic maintenance is needed to replace.
In the prior art, steam turbine with can anti-loose blade still remain shortcoming, no scarfing cinder function can not
The iron rust in threaded hole two is struck off in long bolt rotation process, scarfing cinder convenience is insufficient, so needing a kind of steam turbine to use can
Anti-loose blade solves the above-mentioned problem.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of leaf that steam turbine use can be anti-loose
Piece, to solve the problems mentioned in the above background technology, the utility model have the function of convenient scarfing cinder, easy for installation, production letter
It is single.
To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of steam turbine use can
Anti-loose blade, including scarfing cinder component, blade root, blade profile, slot, cutting and impeller, the scarfing cinder component are mounted on blade root
Right end, the blade profile setting are an integral molding structure in blade root upper end and blade profile and blade root, and the slot is provided with blade root lower end,
The cutting is mounted in slot and cutting is fixed in impeller annular side, and the impeller is arranged below blade root, described clear
Slag component includes long bolt, connecting rod and steel needle, and the blade root right side is threaded hole one and threaded hole one and slot phase
Logical, the cutting right end is threaded hole two and threaded hole two coincides with one central axes of threaded hole, the long bolt left end
It is mounted in threaded hole two across threaded hole one, the connecting rod is mounted on long bolt left end, and the steel needle is fixed on connecting rod annular
On the upside of side and steel needle upper end is in contact with threaded hole one.
Further, the slot, cutting and threaded hole two are equipped with three groups, and slot described in three groups is equidistantly provided with leaf
Root lower end surface, cutting described in three groups are separately mounted in three group slots, and threaded hole two described in three groups is provided with three groups of cuttings respectively
Right side.
Further, the scarfing cinder component is equipped with two groups, and scarfing cinder modular construction described in two groups is identical, scarfing cinder group described in two groups
Part is symmetrically mounted on blade root right side.
Further, the long bolt and connecting rod are an integral molding structure.
Further, the shape of the blade profile is helical form.
Further, the length of the connecting rod is 5mm.
The utility model has the beneficial effects that a kind of steam turbine of the utility model blade that can be anti-loose, because this is practical
Novel to be added to long bolt, threaded hole one, threaded hole two, connecting rod and steel needle, the design is by long bolt in one He of threaded hole
The purpose for removing blade is realized in rotation in threaded hole two, drives steel needle along threaded hole by connecting rod in long bolt rotation process
One or the movement of threaded hole two achieve the purpose that scrape removing rust, improve the convenience that iron rust strikes off, solve original steam turbine and use
Lack scarfing cinder function in blade that can be anti-loose, the iron rust in threaded hole two, scarfing cinder can not be struck off in long bolt rotation process
The problem of convenience deficiency.
Because the shape of blade profile is helical form, which increases the utilization rate of air-flow, and the utility model has convenient scarfing cinder
Function, easy for installation, production is simple.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of the utility model steam turbine blade that can be anti-loose；
Fig. 2 is the schematic diagram of scarfing cinder component in a kind of blade that steam turbine use can be anti-loose of the utility model；
In figure: 1- scarfing cinder component, 2- blade root, 3- blade profile, 4- slot, 5- cutting, 6- impeller, 11- long bolt, 12- screw thread
Kong Yi, 13- threaded hole two, 14- connecting rod, 15- steel needle.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Fig. 1 and Fig. 2 are please referred to, the utility model provides a kind of technical solution: a kind of blade that steam turbine use can be anti-loose,
Including scarfing cinder component 1, blade root 2, blade profile 3, slot 4, cutting 5 and impeller 6, scarfing cinder component 1 is mounted on 2 right end of blade root, blade profile 3
Setting is an integral molding structure in 2 upper end of blade root and blade profile 3 and blade root 2, and slot 4 is provided with 2 lower end of blade root, and cutting 5 is mounted on
In slot 4 and cutting 5 is fixed in 6 annular side of impeller, and impeller 6 is arranged below blade root 2.
Scarfing cinder component 1 include long bolt 11, connecting rod 14 and steel needle 15,2 right side of blade root be threaded hole 1 and
Threaded hole 1 is communicated with slot 4, and 5 right end of cutting is threaded hole 2 13 and threaded hole 2 13 and one 12 central axes of threaded hole
It coinciding, 11 left end of long bolt passes through threaded hole 1 and is mounted in threaded hole 2 13, and connecting rod 14 is mounted on 11 left end of long bolt,
Steel needle 15 is fixed on the upside of connecting rod 14 annular side and 15 upper end of steel needle is in contact with threaded hole 1, when 11 left end of long bolt according to
Secondary realization cutting 5 is fixed in slot 4 after threaded hole 1 and threaded hole 2 13, completes the installation of blade root 2, at this time steel
15 upper end of needle is in contact with threaded hole 1, and when maintenance work needs to dismantle blade root 2, rotation long bolt 11 realizes long bolt 11
It is moved right along threaded hole 1 and threaded hole 2 13, the rotation of long bolt 11 drives connecting rod 14 to rotate, and connecting rod 14 drives steel needle
15 move along threaded hole 1 or threaded hole 2 13, to the iron rust in threaded hole 1 or threaded hole 2 13 be struck off, iron
Rust is fallen in threaded hole 1 and threaded hole 2 13 again after striking off, until long bolt 11 and steel needle 15 are moved to 2 right side of blade root
Cutting 5 is separated the disassembly for realizing blade root 2 by side with slot 4, at this time using common tools such as high-pressure spray gun or air guns to threaded hole
1 and threaded hole 2 13 purged, the cleaning difficulty of iron rust is reduced with this.
Slot 4, cutting 5 and threaded hole 2 13 are equipped with three groups, and three group slots 4 are equidistantly provided with 2 lower end surface of blade root, and three
Group cutting 5 is separately mounted in three group slots 4, and three groups of threaded holes 2 13 are provided with three groups of 5 right sides of cutting respectively, which mentions
High mounting stability.
Scarfing cinder component 1 is equipped with two groups, and two groups of 1 structures of scarfing cinder component are identical, and two groups of scarfing cinder components 1 are symmetrically mounted on blade root 2
Right side, two groups of scarfing cinder components 1 can be improved scarfing cinder efficiency, reduce scarfing cinder difficulty.
Long bolt 11 and connecting rod 14 are an integral molding structure, and the design of integrated formed structure is easy to process.
The shape of blade profile 3 is helical form.
The length of connecting rod 14 is 5mm, after 11 left end of long bolt is detached from threaded hole 1, continues on the shifting of threaded hole 1
Dynamic steel needle 15, so that steel needle 15 strikes off the iron rust of remaining part.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of steam turbine blade that can be anti-loose, including scarfing cinder component (1), blade root (2), blade profile (3), slot (4), cutting
(5) and impeller (6), it is characterised in that: the scarfing cinder component (1) is mounted on blade root (2) right end, and blade profile (3) setting exists
Blade root (2) upper end and blade profile (3) and blade root (2) are an integral molding structure, and the slot (4) is provided with blade root (2) lower end, described
Cutting (5) is mounted in slot (4) and cutting (5) is fixed in impeller (6) annular side, and the impeller (6) is arranged in blade root
(2) lower section；
The scarfing cinder component (1) includes long bolt (11), connecting rod (14) and steel needle (15), blade root (2) the right side processing
Have threaded hole one (12) and threaded hole one (12) communicated with slot (4), cutting (5) right end be threaded hole two (13) and
Threaded hole two (13) coincides with threaded hole one (12) central axes, and long bolt (11) left end is installed across threaded hole one (12)
In threaded hole two (13), the connecting rod (14) is mounted on long bolt (11) left end, and the steel needle (15) is fixed on connecting rod (14)
On the upside of annular side and steel needle (15) upper end is in contact with threaded hole one (12).
2. a kind of steam turbine according to claim 1 blade that can be anti-loose, it is characterised in that: the slot (4) is inserted
Item (5) and threaded hole two (13) are equipped with three groups, and slot described in three groups (4) is equidistantly provided with blade root (2) lower end surface, three groups of institutes
It states cutting (5) to be separately mounted in three group slots (4), it is right that threaded hole two (13) described in three groups is provided with three groups of cuttings (5) respectively
End face.
3. a kind of steam turbine according to claim 1 blade that can be anti-loose, it is characterised in that: the scarfing cinder component
(1) two groups are equipped with, scarfing cinder component (1) structure described in two groups is identical, and scarfing cinder component (1) described in two groups is symmetrically mounted on blade root (2)
Right side.
4. a kind of steam turbine according to claim 1 blade that can be anti-loose, it is characterised in that: the long bolt (11)
It is an integral molding structure with connecting rod (14).
5. a kind of steam turbine according to claim 1 blade that can be anti-loose, it is characterised in that: the blade profile (3)
Shape is helical form.
6. a kind of steam turbine according to claim 1 blade that can be anti-loose, it is characterised in that: the connecting rod (14)
Length is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821233509.0U CN208650921U (en) | 2018-08-01 | 2018-08-01 | A kind of blade that steam turbine use can be anti-loose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821233509.0U CN208650921U (en) | 2018-08-01 | 2018-08-01 | A kind of blade that steam turbine use can be anti-loose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208650921U true CN208650921U (en) | 2019-03-26 |
Family
ID=65787589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821233509.0U Active CN208650921U (en) | 2018-08-01 | 2018-08-01 | A kind of blade that steam turbine use can be anti-loose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208650921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159354A (en) * | 2019-06-12 | 2019-08-23 | 李忠奇 | A kind of novel impeller device |
-
2018
- 2018-08-01 CN CN201821233509.0U patent/CN208650921U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159354A (en) * | 2019-06-12 | 2019-08-23 | 李忠奇 | A kind of novel impeller device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208650921U (en) | A kind of blade that steam turbine use can be anti-loose | |
| CN208879773U (en) | A kind of deburring drill bit of shape extrusion | |
| CN202520385U (en) | Steam turbine blade | |
| CN204942111U (en) | A kind ofly increase the vacuum pump vacuum capacity | |
| CN203593827U (en) | Simple tensioner | |
| CN204160418U (en) | A kind of centrifugal pump impeller provision for disengagement | |
| CN204103320U (en) | A kind of modularization drawer type power distribution cabinet | |
| CN203018815U (en) | Milling cutter for processing trapezoidal groove in supporting shaft of supporting wheel of dozer | |
| CN208914029U (en) | One kind taking bolt drill point | |
| CN203114726U (en) | Grooving structure used for impeller | |
| CN206189816U (en) | But angle regulation's coating spiller | |
| CN214196488U (en) | Engine igniter mounting structure | |
| CN208261980U (en) | A kind of Novel cutting blade | |
| CN203282379U (en) | Locating and assembling clamp of set screws | |
| CN203516373U (en) | Double-line fine-thread drywall screw | |
| CN205244075U (en) | Bolt of stealthy couple in area | |
| CN202991151U (en) | Cooling system for lower end wall of first stage guide vane of gas turbine | |
| CN203792772U (en) | Automatic exhaust module | |
| CN203080363U (en) | Novel sizing sprayer | |
| CN203317374U (en) | Pickax tip and electric pickax comprising same | |
| CN205494850U (en) | Hand -manipulating of needle structure of preparation badminton plastics shelf mould | |
| CN202010581U (en) | Nozzle | |
| CN208546193U (en) | A kind of high steam utilization turbine blade | |
| CN205148506U (en) | Production sophisticated planer slewing mechanism positioning channel section mounting for wooden toy | |
| CN201783419U (en) | Modified compound fertilizer coating nozzle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |