CN203197793U - Device for preventing axial movement of steam turbine rotor - Google Patents
Device for preventing axial movement of steam turbine rotor Download PDFInfo
- Publication number
- CN203197793U CN203197793U CN 201320227014 CN201320227014U CN203197793U CN 203197793 U CN203197793 U CN 203197793U CN 201320227014 CN201320227014 CN 201320227014 CN 201320227014 U CN201320227014 U CN 201320227014U CN 203197793 U CN203197793 U CN 203197793U
- Authority
- CN
- China
- Prior art keywords
- turbine rotor
- pressure head
- steam turbine
- axial movement
- rotor
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a device for preventing axial movement, in particular to a device for preventing the axial movement of a steam turbine rotor, and belongs to the field of machinery. The device for preventing the axial movement of the steam turbine rotor comprises stand columns which are fixedly arranged on the two sides, pressure heads which are vertically fixed are arranged on the stand columns on the two sides, a plating layer is arranged on the lower surface of each pressure head, and the thickness of each plating layer is 0.05mm-0.5mm. When overhauling is carried out, the steam turbine rotor is positioned in the axial direction through the pressure heads on the two sides, the device for preventing the axial movement of the steam turbine rotor is simple in structure and convenient to install, is matched with a rotor taking device to achieve low occurrence probability of the axial movement of the steam turbine rotor in the process of overhauling, and ensures precision of overhauling and precision of assembly.
Description
Technical field
The utility model relates to a kind of anti-axial float device, and particularly a kind of axial shifting device of turbine rotor that prevents belongs to mechanical field.
Background technology
During the thermal power plant major overhaul, turbine rotor can reach the axial motion of 2mm because of various reasons in the turbine body maintenance, this is being firmly unallowed take one of percentage millimeter in the maintenance required precision of metering, it can cause inconvenience and the error of the measurement of the related datas such as through-flow gap, rotor alignment, generally all adopt interim locating piece to help the rotor location under the present circumstances, and the making of locating piece to draw according to actual measurement rotor locator value behind the cylinder.Adopt this method, the moving rotor of each dish all needs again to locate (method that adopts jack to apply the axial top of external force rotor is shifted rotor onto operating position), and there is error in various degree each location, then corresponding measurement data also needs again to note the cancellation error, measuring process and data are processed very loaded down with trivial details, in the larger power plant of generating capacity, the service work of thermal power generation unit is frequent, needs in practice a kind of axial shifting device of turbine rotor that prevents comparatively simply and easily.
Summary of the invention
The utility model is for providing a kind of axial shifting device of turbine rotor that prevents.
A kind of axial shifting device of turbine rotor that prevents provided by the utility model, comprise two heel posts that are fixedly installed, be provided with the fixing pressure head of above-below direction at two heel posts, described pressure head lower surface is provided with coating, described thickness of coating is between 0.05mm-0.5mm, described pressure head is arranged on arc below, described arc below arranges the pressure head at least two same levels, be provided with the bilinear guide rail on described two heel posts, pressure head is connected on the bilinear guide rail, be provided with the line slideway drive unit, described line slideway drive unit is cylinder or oil cylinder.
A kind of axial shifting device of turbine rotor that prevents provided by the utility model, when maintenance, adopt the pressure head of both sides that turbine rotor is located in the axial direction, the pressure head surface is provided with coating, coating is elected as copper, thickness of coating reasonably is set, neither can be to the rotor injury, axial invariant position in the time of can also guaranteeing repairing rotor, the pressure head of this device adopts the below that is arranged on arc, a plurality of pressure heads distribute at circumference, can obtain better effect, and pressure head is connected on the bilinear guide rail, can guarantee pressure head positional precision in the course of the work, the line slideway drive unit is set, can adapts to the rotor needs of different size, the utility model is simple in structure, easy for installation, cooperating rotor to transfer device armature spindle when maintenance, to alter probability of happening very low, the precision when having guaranteed maintenance and assembling, the physical life of extension device, lower the probability of device fails, be conducive to the high-quality operation of generating electricity and overhauling.
Description of drawings
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is the schematic top plan view of the utility model pressure head.
Fig. 3 is that schematic diagram is looked on the right side of the utility model pressure head.
The specific embodiment
In order to explain more fully enforcement of the present utility model, provide embodiment of the present utility model.These embodiments only are the elaborations to this device, do not limit scope of the present utility model.
As shown in drawings, a kind of axial shifting device of turbine rotor that prevents, comprise two heel posts that are fixedly installed, column a1-1 has been shown among Fig. 1, column b1-2, be provided with the fixing pressure head of above-below direction at two heel posts, the pressure head of both sides has been shown among Fig. 1, be respectively pressure head a4-1, pressure head b4-2, described pressure head lower surface is provided with coating, coating is selected as copper, as accommodation of the present utility model, the pressure head material also can directly be selected copper coin and coating is not set, described thickness of coating is between 0.05mm-0.5mm, described pressure head is arranged on arc below, as shown in Figure 2, described arc below arranges the pressure head at least two same levels, as shown in Figure 3, figure 3 illustrates four pressure heads, be respectively pressure head a6-1, pressure head b6-2, pressure head c6-3, pressure head d6-4, be provided with the bilinear guide rail on described two heel posts, bilinear guide rail a2-1 has been shown among Fig. 1, bilinear guide rail b2-2, pressure head is connected on the bilinear guide rail, be provided with the line slideway drive unit, described line slideway drive unit is cylinder or oil cylinder, and oil cylinder a3-1 has been shown among Fig. 1, oil cylinder b3-2,5 are depicted as turbine rotor, the utility model cooperated suspender that the turbine rotor surface is risen to the pressure head lower surface and contact in when work, can realize preventing that axle alters function, the rotor that adapts to different size when needs is=time, regulate the horizontal position of pressure head by the hydraulic oil cylinder driving line slideway and get final product.A kind of axial shifting device of turbine rotor that prevents provided by the utility model, when maintenance, adopt the pressure head of both sides that turbine rotor is located in the axial direction, the pressure head surface is provided with coating, coating is elected as copper, thickness of coating reasonably is set, neither can be to the rotor injury, axial invariant position in the time of can also guaranteeing repairing rotor, the pressure head of this device adopts the below that is arranged on arc, can better bring into play the effect of this device, pressure head is connected on the bilinear guide rail, can guarantee pressure head positional precision in the course of the work, and the line slideway drive unit is set, the rotor needs that can adapt to different size, the utility model is simple in structure, and is easy for installation, and cooperating rotor to transfer device armature spindle when maintenance, to alter probability of happening very low, precision when having guaranteed maintenance and assembling, the physical life of extension device has lowered the probability of device fails, is conducive to the high-quality operation of generating electricity and overhauling.
After describing embodiment of the present utility model in detail, the personage who is familiar with this technology can be well understood to, can carry out various variations and modification not breaking away under above-mentioned claim and the spirit, any simple modification, equivalent variations and modification that all foundations technical spirit of the present utility model is done above embodiment, the scope that all belongs to technical solutions of the utility model, and the utility model also is not subject to the embodiment that gives an actual example in the specification.
Claims (4)
1. one kind prevents the axial shifting device of turbine rotor, comprise two heel posts that are fixedly installed, it is characterized in that: be provided with the fixing pressure head of above-below direction at two heel posts, described pressure head lower surface is provided with coating, and described thickness of coating is between 0.05mm-0.5mm.
2. a kind of axial shifting device of turbine rotor that prevents according to claim 1 is characterized in that: described pressure head is arranged on arc below, and described arc below arranges the pressure head at least two same levels.
3. a kind of axial shifting device of turbine rotor that prevents according to claim 1, it is characterized in that: be provided with the bilinear guide rail on described two heel posts, pressure head is connected on the bilinear guide rail, is provided with the line slideway drive unit.
4. a kind of axial shifting device of turbine rotor that prevents according to claim 3, it is characterized in that: described line slideway drive unit is cylinder or oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320227014 CN203197793U (en) | 2013-04-28 | 2013-04-28 | Device for preventing axial movement of steam turbine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320227014 CN203197793U (en) | 2013-04-28 | 2013-04-28 | Device for preventing axial movement of steam turbine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203197793U true CN203197793U (en) | 2013-09-18 |
Family
ID=49141932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320227014 Expired - Fee Related CN203197793U (en) | 2013-04-28 | 2013-04-28 | Device for preventing axial movement of steam turbine rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203197793U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047644A (en) * | 2014-06-20 | 2014-09-17 | 山东电力建设第一工程公司 | Adjustable axial-endplay preventing device for steam turbine rotor |
| CN113279827A (en) * | 2021-06-10 | 2021-08-20 | 武汉理工大学 | Steam turbine |
-
2013
- 2013-04-28 CN CN 201320227014 patent/CN203197793U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047644A (en) * | 2014-06-20 | 2014-09-17 | 山东电力建设第一工程公司 | Adjustable axial-endplay preventing device for steam turbine rotor |
| CN113279827A (en) * | 2021-06-10 | 2021-08-20 | 武汉理工大学 | Steam turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20140428 |