CN208773452U - A kind of partition board of steam turbine set labyrinth strip assembly aids - Google Patents
A kind of partition board of steam turbine set labyrinth strip assembly aids Download PDFInfo
- Publication number
- CN208773452U CN208773452U CN201821340350.2U CN201821340350U CN208773452U CN 208773452 U CN208773452 U CN 208773452U CN 201821340350 U CN201821340350 U CN 201821340350U CN 208773452 U CN208773452 U CN 208773452U
- Authority
- CN
- China
- Prior art keywords
- labyrinth strip
- assembly aids
- main body
- auxiliary device
- strip assembly
- 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
A kind of partition board of steam turbine set labyrinth strip assembly aids, are related to a kind of labyrinth strip assembly aids.The utility model is in order to solve the problems, such as easily to bend or deform during labyrinth strip is installed to packing slot.The main body of auxiliary device is arc, the section of the main body of auxiliary device is T shape, the horizontal edge of auxiliary device T section is arranged towards the arc center of circle, the first U-shaped opening slot is provided on the extrados of the main body of auxiliary device, copper obturator is provided in first U-shaped opening slot, the second U-shaped opening slot is provided in the middle part of copper obturator extrados, the width of close opening is greater than inner width in the second U-shaped opening slot.The utility model auxiliary device can be avoided the bending or deformation of labyrinth strip, improve assembly efficiency.The utility model is assembled suitable for labyrinth strip.
Description
Technical field
The utility model relates to a kind of labyrinth strip assembly aids.
Background technique
If being along the circumferential direction machined with a cyclic annular packing slot being parallel to each other, packing slot circumference in partition board of steam turbine set inner hole
Direction is equipped with several segments labyrinth strip, is the interference fit of 0.01~0.02mm between labyrinth strip and packing slot, and labyrinth strip is assembled to
It needs pincers worker hand hammer to tap labyrinth strip during in packing slot and is packed into packing slot, but since labyrinth strip is very thin steel
Piece needs to carry out labyrinth strip labyrinth strip that is orthopedic or more renewing if labyrinth strip bends or deforms during percussion,
Therefore it causes damages and delays the production cycle.
Utility model content
The utility model in order to solve the problems, such as easily to bend or deform during labyrinth strip is installed to packing slot,
It is proposed a kind of partition board of steam turbine set labyrinth strip assembly aids.
The main body that the utility model partition board of steam turbine covers labyrinth strip assembly aids is arc, the main body of auxiliary device
Section be T shape, the horizontal edge of auxiliary device T section is arranged towards the arc center of circle, opens on the extrados of the main body of auxiliary device
There is the first U-shaped opening slot, copper obturator is provided in the first U-shaped opening slot, is provided with the 2nd U in the middle part of copper obturator extrados
Shape open slot is greater than inner width close to the width of opening in the second U-shaped opening slot；
The application method of the utility model partition board of steam turbine set labyrinth strip assembly aids are as follows:
Labyrinth strip is placed in diaphragm housing ring packing slot, corrects labyrinth strip behind the position of diaphragm housing ring circumference, it will be originally practical new
The second U-shaped opening slot covers on labyrinth strip in type partition board of steam turbine set labyrinth strip assembly aids, is successively tapped with hand hammer
Multiple points to the labyrinth strip of the intrados of auxiliary device fully enters in packing slot, that is, completes.
It the utility model principle and has the beneficial effect that
The utility model auxiliary device is set on labyrinth strip in labyrinth strip assembling process, when labyrinth strip enters packing slot
Only need to tap the intrados of auxiliary device, auxiliary device can will hit against power and conduct to labyrinth strip, and percussion tool will not directly connect
Labyrinth strip is touched, while the hardness of copper obturator is lower than the hardness of labyrinth strip in auxiliary device, therefore, labyrinth strip enters packing slot
During will not bend or deform；Second U-shaped opening slot covers the work that constraint labyrinth strip can also be played on labyrinth strip
With the slot bottom and labyrinth strip intrados contact area of the second U-shaped opening slot are big, make labyrinth strip uniform force, further avoid
The bending or deformation of labyrinth strip.The utility model assistant apparatus structure is simple, manufactures and is easy, at low cost, convenient for a wide range of
It uses, the assembly efficiency of labyrinth strip can be improved 20%.
Wherein, the preparation process of copper obturator are as follows: the first U-shaped that copper high temperature melting is poured into the main body of auxiliary device is opened
In mouthful slot, the extra copper poured is removed using lathe after cooling, then with metal saw copper obturator extrados
On process the second U-shaped opening slot.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the utility model partition board of steam turbine covers labyrinth strip assembly aids；
Fig. 2 is the cross-sectional view of Fig. 1 transverse direction；
Fig. 3 is to cover labyrinth strip assembly aids using the utility model partition board of steam turbine to carry out labyrinth strip assembly signal
Figure；
Fig. 4 is the cross-sectional view of Fig. 3, and a is labyrinth strip in figure, and b is partition board of steam turbine set；
Fig. 5 is enlarged drawing at c in Fig. 4；
Fig. 6 is the cross-sectional view of the longitudinal direction Fig. 1, and α is the main body circle that partition board of steam turbine covers labyrinth strip assembly aids in figure
The central angle of segmental arc.
Specific embodiment:
The technical solution of the present invention is not limited to the following list, further includes between each specific embodiment
Any reasonable combination.
Specific embodiment 1: illustrating present embodiment in conjunction with Fig. 1~6, present embodiment partition board of steam turbine covers labyrinth strip
The main body of assembly aids is arc, and the section of the main body of auxiliary device is T shape, the horizontal edge court of auxiliary device T section
It is arranged to the arc center of circle, the first U-shaped opening slot 1, setting in the first U-shaped opening slot is provided on the extrados of the main body of auxiliary device
There is copper obturator 2, the second U-shaped opening slot 3, close opening in the second U-shaped opening slot 3 are provided in the middle part of copper obturator extrados
The width at place is greater than inner width.
It present embodiment principle and has the beneficial effect that
Present embodiment auxiliary device is set on labyrinth strip in labyrinth strip assembling process, when labyrinth strip enters packing slot
Only need to tap the intrados of auxiliary device, auxiliary device can will hit against power and conduct to labyrinth strip, and percussion tool will not directly connect
Labyrinth strip is touched, while the hardness of copper obturator 2 is lower than the hardness of labyrinth strip in auxiliary device, therefore, labyrinth strip enters packing
It will not bend or deform during slot；Second 3 sets of U-shaped opening slot can also play constraint labyrinth strip on labyrinth strip
Effect, the slot bottom and labyrinth strip intrados contact area of the second U-shaped opening slot 3 are big, make labyrinth strip uniform force, further avoid
The bending or deformation of labyrinth strip.Present embodiment assistant apparatus structure is simple, manufactures and is easy, at low cost, is convenient for big model
Use is enclosed, the assembly efficiency of labyrinth strip can be improved 20%.
Specific embodiment 2: the present embodiment is different from the first embodiment in that: the partition board of steam turbine covers vapour
The central angle of the main body arc section of mounting assembly aids is less than the central angle of labyrinth strip arc section, and partition board of steam turbine covers vapour
The central angle of the main body arc section of mounting assembly aids is 20 °~40 °.Other steps and parameter and specific embodiment
One is identical.
Specific embodiment 3: present embodiment is unlike specific embodiment two: the partition board of steam turbine covers vapour
The central angle of the main body arc section of mounting assembly aids is 20 °.Other steps and parameter and specific embodiment two-phase
Together.
Specific embodiment 4: present embodiment is unlike specific embodiment two or three: the partition board of steam turbine
The central angle for covering the main body arc section of labyrinth strip assembly aids is 40 °.Other steps and parameter and specific embodiment
Two or three is identical.
Specific embodiment 5: unlike one of present embodiment and specific embodiment two to four: the steam turbine
The central angle of the main body arc section of diaphragm housing ring labyrinth strip assembly aids is 25 °.Other steps and parameter and specific implementation
One of mode two to four is identical.
Embodiment 1:
The main body that the present embodiment partition board of steam turbine covers labyrinth strip assembly aids is arc, the main body of auxiliary device
Section is T shape, and the horizontal edge of auxiliary device T section is arranged towards the arc center of circle, is provided on the extrados of the main body of auxiliary device
First U-shaped opening slot 1 is provided with copper obturator 2 in first U-shaped opening slot, is provided with the 2nd U in the middle part of copper obturator extrados
Shape open slot 3 is greater than inner width close to the width of opening in second U-shaped opening slot 3.The partition board of steam turbine covers labyrinth strip
The central angle of the main body arc section of assembly aids is less than the central angle of labyrinth strip arc section, and partition board of steam turbine covers labyrinth strip
The central angle of the main body arc section of assembly aids is 20 °.
The present embodiment auxiliary device is set on labyrinth strip in labyrinth strip assembling process, when labyrinth strip enters packing slot only
Need to tap the intrados of auxiliary device, auxiliary device can will hit against power and conduct to labyrinth strip, and percussion tool will not be contacted directly
Labyrinth strip, while the hardness of copper obturator 2 is lower than the hardness of labyrinth strip in auxiliary device, therefore, labyrinth strip enters packing slot
During will not bend or deform；Second 3 sets of U-shaped opening slot can also play the work of constraint labyrinth strip on labyrinth strip
With the slot bottom and labyrinth strip intrados contact area of the second U-shaped opening slot 3 are big, make labyrinth strip uniform force, further avoid
The bending or deformation of labyrinth strip.Present embodiment assistant apparatus structure is simple, manufactures and is easy, at low cost, convenient for a wide range of
It uses, the assembly efficiency of labyrinth strip can be improved 20%.
Claims (5)
1. a kind of partition board of steam turbine covers labyrinth strip assembly aids, it is characterised in that: the main body of the auxiliary device is arc,
The section of the main body of auxiliary device is T shape, and the horizontal edge of auxiliary device T section is arranged towards the arc center of circle, the master of auxiliary device
It is provided with the first U-shaped opening slot (1) on the extrados of body, is provided with copper obturator (2), copper filling in the first U-shaped opening slot
The second U-shaped opening slot (3) is provided in the middle part of external cambered surface, the width of close opening is greater than internal wide in the second U-shaped opening slot (3)
Degree.
2. partition board of steam turbine according to claim 1 covers labyrinth strip assembly aids, it is characterised in that: the steamer
The central angle of the main body arc section of machine diaphragm housing ring labyrinth strip assembly aids is less than the central angle of labyrinth strip arc section, steamer
The central angle of the main body arc section of machine diaphragm housing ring labyrinth strip assembly aids is 20 °~40 °.
3. partition board of steam turbine according to claim 1 covers labyrinth strip assembly aids, it is characterised in that: the steamer
The central angle of the main body arc section of machine diaphragm housing ring labyrinth strip assembly aids is 20 °.
4. partition board of steam turbine according to claim 1 covers labyrinth strip assembly aids, it is characterised in that: the steamer
The central angle of the main body arc section of machine diaphragm housing ring labyrinth strip assembly aids is 40 °.
5. partition board of steam turbine according to claim 1 covers labyrinth strip assembly aids, it is characterised in that: the steamer
The central angle of the main body arc section of machine diaphragm housing ring labyrinth strip assembly aids is 25 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821340350.2U CN208773452U (en) | 2018-08-20 | 2018-08-20 | A kind of partition board of steam turbine set labyrinth strip assembly aids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821340350.2U CN208773452U (en) | 2018-08-20 | 2018-08-20 | A kind of partition board of steam turbine set labyrinth strip assembly aids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208773452U true CN208773452U (en) | 2019-04-23 |
Family
ID=66157887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821340350.2U Active CN208773452U (en) | 2018-08-20 | 2018-08-20 | A kind of partition board of steam turbine set labyrinth strip assembly aids |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208773452U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024741A (en) * | 2020-07-31 | 2020-12-04 | 北京龙威发电技术有限公司 | Tooth riveting device and method for steam seal teeth of steam turbine |
| CN114102093A (en) * | 2021-11-01 | 2022-03-01 | 安徽誉特双节能技术有限公司 | High leakproofness gland sealing of steam turbine assists mounting tool |
-
2018
- 2018-08-20 CN CN201821340350.2U patent/CN208773452U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024741A (en) * | 2020-07-31 | 2020-12-04 | 北京龙威发电技术有限公司 | Tooth riveting device and method for steam seal teeth of steam turbine |
| CN114102093A (en) * | 2021-11-01 | 2022-03-01 | 安徽誉特双节能技术有限公司 | High leakproofness gland sealing of steam turbine assists mounting tool |
| CN114102093B (en) * | 2021-11-01 | 2024-02-02 | 安徽誉特双节能技术有限公司 | High-tightness steam seal auxiliary installation tool of steam turbine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208773452U (en) | A kind of partition board of steam turbine set labyrinth strip assembly aids | |
| CN201702531U (en) | Flange plane mounting platform for wind turbine tower | |
| JP6618527B2 (en) | Method for manufacturing turbomachine member ring support | |
| CN103722108A (en) | Titanium alloy blade forging method | |
| CN207027307U (en) | Processing unit (plant) based on automobile gas exhausting manifold branch flange | |
| CN102539315A (en) | Method for quickly and accurately confirming friction coefficient in metal forming processes | |
| CN102102140A (en) | Large arc casting calibrating method | |
| CN204321991U (en) | A kind of mechanism for bearing removal | |
| CN207104743U (en) | A kind of convertible pivot pin assembly tooling | |
| CN109396874A (en) | A kind of elasticity internal expansion type automatic fixture | |
| CN203557125U (en) | Clamp for processing shroud sealing tooth | |
| CN206009489U (en) | A kind of bending circular pipe mould | |
| CN209050650U (en) | A kind of hydraulic tool of multi-cylinder linkage cooperation | |
| CN108043969A (en) | A kind of processing unit (plant) and processing method of gas turbine rectification cover wall | |
| CN212399364U (en) | Mounting tool of gas turbine exhaust thermocouple | |
| CN204108567U (en) | A kind of elbow interior wall built-up welding fixing tool | |
| CN203665372U (en) | Tube plate and tube assembly and location tooling | |
| CN208772643U (en) | Collector ring detecting tool | |
| CN205102975U (en) | Mechanical type manometer timing point gear | |
| CN208759399U (en) | A kind of hammering disk device | |
| CN204603854U (en) | A kind of chucking device of Twisted Steam Turbine Blade | |
| CN106799430B (en) | A kind of cable tunnel arc bracket integration processing and forming technology | |
| CN106694635B (en) | A kind of gas spring stent exempts from fractionation bending method | |
| CN204263030U (en) | A kind of shell class part is picked up the ears the prefabricated tool of hole machined anchor point | |
| CN203769865U (en) | Thermal shroud of turbocharger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |