CN109026197A - A kind of turbine speed probe cooling holder - Google Patents
A kind of turbine speed probe cooling holder Download PDFInfo
- Publication number
- CN109026197A CN109026197A CN201810953703.4A CN201810953703A CN109026197A CN 109026197 A CN109026197 A CN 109026197A CN 201810953703 A CN201810953703 A CN 201810953703A CN 109026197 A CN109026197 A CN 109026197A
- Authority
- CN
- China
- Prior art keywords
- probe
- compressed air
- main support
- support
- secondary support
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/003—Arrangements for testing or measuring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of turbine speed probe cooling holder, including the main support being mounted on bearing box of steam turbine and it is mounted on main support for installing the secondary support of probe, main support is equipped with barrel, barrel section is U-shaped, barrel notch is fixed towards main support and main support, and both ends sealing encloses solid into compressed air cavity with main support, barrel side wall is equipped with the clamping sleeve blow-out patch for pouring into compressed air into compressed air cell body, main support is equipped with compressed air channel, compressed air channel is connected to compressed air cavity, compressed air channel locality is adapted with the compressed air inlet for being located at secondary support or with the probe positions being located on secondary support, compressed air is sprayed after directly spraying or be introduced into the compressed air inlet of secondary support from compressed air channel to probe orientation to probe orientation, and then cooling probe.The configuration of the present invention is simple still can substantially solve the problems, such as that probe temperature is excessively high, increase the service life of probe, improve the reliability of unit.
Description
Technical field
The present invention relates to turbine speed probes, and in particular to a kind of turbine speed probe cooling holder.
Background technique
For convenient for plant maintenance and overall construction design needs, at present part turbine speed fluted disc and revolving speed, key
The measuring probes such as phase, axial displacement are set to outside bearing housing.Since close to cylinder shaft seal body, revolving speed fluted disc region is by cylinder body, axle envelope
The high temperature metallic object heat radiation such as body influence is very big, and temperature is apparently higher than environment temperature, especially when gland steam leaks extremely,
High-temperature steam (300 DEG C) will directly impact the region, this is to electricity such as revolving speed, key phase, the axial displacements for using temperature to be no more than 120 DEG C
Eddy current probe will be fatal.
Summary of the invention
The object of the present invention is to provide a kind of turbine speed probe cooling holders, to solve high-temperature steam and directly impact spy
The problem of head, probe is easily damaged by high temperature.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of turbine speed probe cooling holder, is mounted on bearing box of steam turbine, it is characterised in that: including being mounted on
It main support on bearing box of steam turbine and is mounted on main support for install the secondary support of probe, the main support is equipped with slot
Pipe, the barrel section are U-shaped, and barrel notch is fixed towards main support and main support, and both ends sealing encloses solid with main support
At compressed air cavity, barrel side wall is equipped with the clamping sleeve blow-out patch for pouring into compressed air into compressed air cell body, institute
Main support is stated equipped with compressed air channel, the compressed air channel is connected to compressed air cavity, compressed air channel position
It sets direction to be adapted with the compressed air inlet for being located at secondary support or with the probe positions being located on secondary support, the compressed air
It is sprayed after directly spraying or be introduced into the compressed air inlet of secondary support from compressed air channel to probe orientation to probe orientation
It penetrates, and then cooling probe.
It is further preferred that the secondary support is strip, one end is bolted with main support, and the other end is towards far
Direction setting from main support, the probe are located at the end far from main support, and the probe is that shaft displacement probe or key are mutually visited
Head, the corresponding secondary support of every two compressed air channel.
Further, it sets there are six secondary support, correspondingly, on main support sets empty there are six compressing on each main support
Gas channel, each compressed air channel correspond to the probe on a secondary support.
Further, the probe is rotational speed probe, and the rotational speed probe is fixed on the installation of the probe on secondary support
Kong Shang, is equipped with jet channel be connected to compressed air channel in the secondary support, compressed air channel pass through compressed air into
Mouth is connected to jet channel, and the jet channel was arranged around probe mounting holes one week, is looped around the probe mounting holes one week
It is uniformly distributed on the jet channel to have fumarole.
Further, the secondary support is rectangular plate-like, and the secondary support is vertical with main support to be fixed.
Further, the secondary support section is L-type, including flange plate one and flange plate two, the probe mounting holes are set
In on flange plate one, the compressed air inlet is set on flange plate two, and the flange plate two is vertical with main support to be fixed.
Further, the main support includes bearing box of steam turbine fixing end and probe fixing end, the steam turbine bearing
Case fixing end and bearing box of steam turbine are fixed by bolt one.
Further, the probe fixing end left side is the arcwall face being recessed inwardly, and right side is outwardly projecting arc
Shape face, the barrel shape and right side are adapted, and barrel is fastened with right side.
Further, the corresponding secondary support of each compressed air channel, and secondary support and main support are integrally formed knot
Structure.
Further, each main support includes two brackets for being symmetrically fixed on bearing box of steam turbine, wherein left side brackets
There are five secondary supports for upper laying, one of them mutually pops one's head in for retainingf key, and other four is popped one's head in for fixed rotating speed, on the bracket of right side
Step is equipped with 6 secondary supports, wherein three secondary supports are visited for fixing shaft displacement probe, the other three secondary support for fixed rotating speed
Head.
Implement a kind of turbine speed probe cooling holder provided by the invention, can achieve it is following the utility model has the advantages that
A compressed air cavity is set in probe mounting bracket, the clamping sleeve blow-out patch on chamber connects external compression air hose,
It is equipped with compressed air channel inside mounting bracket of popping one's head in, the indoor compressed air of compressed air cell is led at probe and is projected, it is right
Probe is purged, is cooled down, and prevents the direct impact probe of high-temperature steam, and major and minor internal stent compressed air channel passes through it
The mating hole be combineding with each other on face carries out connection, can be added gasket and be sealed at mating hole, by main support compressed air chamber
Interior compressed air leads to secondary support, and major and minor bracket may be designed to integral type, then by introducing compressed air to bracket and probe
It being cooled down, total is simple but can substantially solve the problems, such as that probe temperature is excessively high, the service life of probe is increased,
Improve the reliability of unit.
Detailed description of the invention
Fig. 1 is that a kind of turbine speed probe cooling holder of the present invention is mounted on the structural representation on bearing box of steam turbine
Figure；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the side view of Fig. 1；
The structural schematic diagram of Fig. 4 specific embodiment one of the present invention；
Fig. 5 is the right view of Fig. 4；
The structural schematic diagram of Fig. 6 secondary support of the present invention；
Fig. 7 is the structural schematic diagram of specific embodiment two of the present invention；
Fig. 8 is the right view of Fig. 7.
The drawing reference numeral of specific embodiment illustrates:
Appended drawing reference: 1- bearing box of steam turbine；2- barrel；3- clamping sleeve blow-out patch；4- secondary support；5- main support；51- steamer
Machine bearing case fixing end；52- probe fixing end；6- compressed air channel；7- compressed air inlet；8- probe；9- bolt；10-
Jet channel；11- fumarole；12- flange plate one；13- flange plate two；14- bolt hole；15- turbine speed fluted disc；16- vapour
Turbine shaft；17- bolt one；18- probe mounting holes；19- compressed air cavity.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.Obviously, described embodiments are only a part of the embodiments of the present invention, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figures 1 to 3, prior art turbine speed fluted disc 15 is rotated by rotating shaft of steam turbine 16, each main support 5
Two brackets including being symmetrically fixed on bearing box of steam turbine 1, wherein there are five secondary for laying in left side brackets (Fig. 1 left side brackets)
Bracket 4, one of them mutually pops one's head in for retainingf key, and other four is popped one's head in for fixed rotating speed, on right side bracket (bracket on the right side of Fig. 1)
Step is equipped with 6 secondary supports 4, wherein three secondary supports 4 are used for fixed rotating speed for fixing shaft displacement probe, the other three secondary support 4
Probe, specific structure is as shown in the figure area A, and a-quadrant is a kind of turbine speed probe cooling holder of the present invention in figure
One embodiment, bracket is mounted on bearing box of steam turbine 1, the main support 5 including being mounted on bearing box of steam turbine 1 and peace
For installing the secondary support 4 of probe 8 on main support 5, main support 5 is equipped with barrel 2, and 2 section of barrel is U-shaped, 2 slot of barrel
Mouth is fixed towards main support 5 and main support 5, and both ends sealing encloses solid into compressed air cavity as shown in Figure 4 with main support 5
19,2 side wall of barrel is equipped with the clamping sleeve blow-out patch 3 for pouring into compressed air into compressed air cavity 19, sets on main support 5
Have compressed air channel 6, compressed air channel 6 is connected to compressed air cavity 19,6 locality of compressed air channel be located at
The compressed air inlet 7 of secondary support 4 is adapted with 8 position of probe being located on secondary support 4, and compressed air is directly empty from compression
Gas channel 6 is to the injection of 8 directions of probe or is introduced into after the compressed air inlet 7 of secondary support 4 to the injection of 8 directions of probe, to spy
First 8 are purged, are cooled down, and prevent the direct impact probe 8 of high-temperature steam, and then cooling probe 8, and compressed air channel 6 goes out
Mouth forms mating hole with compressed air inlet 7, can be added gasket and be sealed at mating hole.
Secondary support 4 is strip, and the fixed probe 8 of secondary support 4 is that shaft displacement probe or key are mutually popped one's head at this time, secondary support 4
One end and main support 5 are fixed by bolt 9, and the other end is directed away from the direction setting of main support 5, and probe 8 is located at far from main branch
The end of frame 5 is set on each main support 5 there are six secondary support 4, sets that there are six compressed air channel 6, each pressures on main support 5
Probe on the corresponding secondary support 4 of contracting air duct 6, when concrete application, every two or one, preferably two compressed airs are logical
Road 6 corresponds to a secondary support, and secondary support 4 and main support 5 are an integral molding structure.
Each main support 5 includes at least three rotational speed probes, and rotational speed probe is mutually popped one's head in above-mentioned shaft displacement probe or key
Locality is different, and rotational speed probe direction is general and shaft displacement probe or key phase probe vertical are fixed, therefore the position of secondary support 4
It sets and shape design is also different with the secondary support that fixed shaft displacement probe or key are mutually popped one's head in, be equipped with probe in the middle part of secondary support 4 at this time
Mounting hole 18, rotational speed probe are fixed on the probe mounting holes 18 on secondary support 4, are equipped in secondary support 4 and compressed air
The jet channel 10 that channel 6 is connected to, compressed air channel 6 are connected to by compressed air inlet 7 with jet channel 10, jet channel
10 were arranged around probe mounting holes 18 1 weeks, and being looped around uniformly distributed on 18 1 weeks jet channels of probe mounting holes 10 has fumarole
11.In specific application, as shown in FIG. 7 and 8, the secondary support 4 of fixed rotating speed probe is rectangular plate-like, secondary support 4 and main support 5
Vertical fixed, compressed air is directly sprayed from compressed air channel 6 to 8 directions of probe at this time.As shown in Figures 4 and 5, it fixes at this time
4 section of secondary support of rotational speed probe is L-type, including flange plate 1 and flange plate 2 13, and probe mounting holes 18 are set to flange plate
On one 12, compressed air inlet 7 is set on flange plate 2 13, and flange plate 2 13 is vertical with main support 5 fixed, at this time main support 5
On 6 section of compressed air channel should be L shape, at this time when flange plate 1 is parallel with 5 plate face of main support, and flange plate 2 13 with
5 plate face of main support is vertical, compressed air channel 6 should be equipped with turning, make compressed air inlet 7 just with compressed air channel 6
Outlet converges, and main support 5 and secondary support 4 are also possible to integrated formed structure namely secondary support 4 and need not pass through bolt and main support
5 is fixed.
As shown in fig. 6, main support 5 includes bearing box of steam turbine fixing end 51 and probe fixing end 52, bearing box of steam turbine
Fixing end 51 and bearing box of steam turbine 1 are fixed by bolt 1, and probe 52 left side of fixing end is the arcwall face being recessed inwardly,
Right side is outwardly projecting arcwall face, and 2 shape of barrel and right side are adapted, and barrel 2 is fastened with right side.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
- The cooling holder 1. a kind of turbine speed is popped one's head in, is mounted on bearing box of steam turbine (1), it is characterised in that: including installation In the main support (5) on bearing box of steam turbine (1) and it is mounted on for installing the secondary support (4) of probe (8) on main support (5), The main support (5) is equipped with barrel (2), and barrel (2) section is U-shaped, and barrel (2) notch is towards main support (5) and leads Bracket (5) is fixed, and both ends sealing encloses solid at compressed air cavity (19) with main support (5), and barrel (2) side wall, which is equipped with, to be used In the clamping sleeve blow-out patch (3) for pouring into compressed air into compressed air cavity (19), the main support (5) is equipped with compressed air Channel (6), the compressed air channel (6) are connected to compressed air cavity (19), compressed air channel (6) locality and position It is adapted in the compressed air inlet (7) of secondary support (4) or with probe (8) position being located on secondary support (4), the compression is empty The compressed air inlet (7) that gas is directly sprayed or is introduced into secondary support (4) from compressed air channel (6) to probe (8) direction The injection of backward probe (8) direction, and then cooling probe (8).
- The cooling holder 2. a kind of turbine speed as described in claim 1 is popped one's head in, it is characterised in that: the secondary support (4) is Strip, one end and main support (5) are fixed by bolt (9), and the other end is directed away from the direction setting of main support (5), described Probe (8) is located at the end far from main support (5), and the probe (8) is that shaft displacement probe or key are mutually popped one's head in, and every two compression is empty Gas channel (6) corresponds to a secondary support (4).
- The cooling holder 3. a kind of turbine speed as claimed in claim 2 is popped one's head in, it is characterised in that: each main support (5) it is set on there are six secondary support (4), correspondingly, sets that there are six compressed air channel (6), each compressed airs on main support (5) Probe on the corresponding secondary support (4) in channel (6).
- The cooling holder 4. a kind of turbine speed as described in claim 1 is popped one's head in, it is characterised in that: the probe (8) is to turn Speed probe, the rotational speed probe are fixed on the probe mounting holes (18) on secondary support (4), are set in the secondary support (4) There is the jet channel (10) being connected to compressed air channel (6), compressed air channel (6) passes through compressed air inlet (7) and spray Gas channel (10) connection, the jet channel (10) were arranged around probe mounting holes (18) one weeks, were looped around the probe mounting holes It is uniformly distributed on (18) one weeks jet channels (10) to have fumarole (11).
- The cooling holder 5. a kind of turbine speed as claimed in claim 4 is popped one's head in, it is characterised in that: the secondary support (4) is Rectangular plate-like, the secondary support (4) are vertical with main support (5) fixed.
- The cooling holder 6. a kind of turbine speed as claimed in claim 4 is popped one's head in, it is characterised in that: the secondary support (4) is cut Face is L-type, including flange plate one (12) and flange plate two (13), and the probe mounting holes (18) are set on flange plate one (12), The compressed air inlet (7) is set on flange plate two (13), and the flange plate two (13) is vertical with main support (5) fixed.
- The cooling holder 7. a kind of turbine speed as described in claim 1 is popped one's head in, it is characterised in that: main support (5) packet Include bearing box of steam turbine fixing end (51) and probe fixing end (52), the bearing box of steam turbine fixing end (51) and turbine shaft It is fixed by bolt one (17) to hold case (1).
- The cooling holder 8. a kind of turbine speed as claimed in claim 7 is popped one's head in, it is characterised in that: the probe fixing end (52) left side is the arcwall face being recessed inwardly, and right side is outwardly projecting arcwall face, barrel (2) shape and right side It is adapted, barrel (2) is fastened with right side.
- The cooling holder 9. a kind of turbine speed as described in claim 1 is popped one's head in, it is characterised in that: each compressed air channel (6) a corresponding secondary support (4), and secondary support (4) and main support (5) are an integral molding structure.
- 10. a kind of turbine speed probe cooling holder as claimed in any one of claims 1 to 9 wherein, it is characterised in that: each Main support (5) includes two brackets for being symmetrically fixed on bearing box of steam turbine (1), and wherein there are five secondary branch for laying in left side brackets Frame (4), one of them mutually pops one's head in for retainingf key, and other four is popped one's head in for fixed rotating speed, and step is equipped with 6 secondary branch on the bracket of right side Frame (4), wherein three secondary supports (4) are popped one's head in for fixing shaft displacement probe, the other three secondary support (4) for fixed rotating speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810953703.4A CN109026197B (en) | 2018-08-21 | 2018-08-21 | Cooling support for rotating speed probe of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810953703.4A CN109026197B (en) | 2018-08-21 | 2018-08-21 | Cooling support for rotating speed probe of steam turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109026197A true CN109026197A (en) | 2018-12-18 |
| CN109026197B CN109026197B (en) | 2021-02-02 |
Family
ID=64627172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810953703.4A Active CN109026197B (en) | 2018-08-21 | 2018-08-21 | Cooling support for rotating speed probe of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109026197B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439556A (en) * | 2022-01-24 | 2022-05-06 | 天津国能津能热电有限公司 | Cooling support for rotating speed probe of steam turbine |
| CN115302222A (en) * | 2022-09-19 | 2022-11-08 | 华能鹤岗发电有限公司 | Axial displacement installation and debugging method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4398867A (en) * | 1979-10-03 | 1983-08-16 | Klein, Schanzlin & Becker Ag | Centrifugal pump casing |
| US20080187436A1 (en) * | 2007-01-10 | 2008-08-07 | Leogrande John A | Instrument port seal for rf measurement |
| US20150198091A1 (en) * | 2014-01-15 | 2015-07-16 | Pratt & Whitney Canada Corp. | Electric probe assembly, gas turbine engine having same and method of cooling same |
| US20160237851A1 (en) * | 2015-02-18 | 2016-08-18 | United Technologies Corporation | Probe tip cooling |
| CN207795318U (en) * | 2018-01-24 | 2018-08-31 | 华润电力（海丰）有限公司 | A kind of probe environment temperature monitoring of steam turbine and control device |
-
2018
- 2018-08-21 CN CN201810953703.4A patent/CN109026197B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4398867A (en) * | 1979-10-03 | 1983-08-16 | Klein, Schanzlin & Becker Ag | Centrifugal pump casing |
| US20080187436A1 (en) * | 2007-01-10 | 2008-08-07 | Leogrande John A | Instrument port seal for rf measurement |
| US20150198091A1 (en) * | 2014-01-15 | 2015-07-16 | Pratt & Whitney Canada Corp. | Electric probe assembly, gas turbine engine having same and method of cooling same |
| US20160237851A1 (en) * | 2015-02-18 | 2016-08-18 | United Technologies Corporation | Probe tip cooling |
| CN207795318U (en) * | 2018-01-24 | 2018-08-31 | 华润电力（海丰）有限公司 | A kind of probe environment temperature monitoring of steam turbine and control device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439556A (en) * | 2022-01-24 | 2022-05-06 | 天津国能津能热电有限公司 | Cooling support for rotating speed probe of steam turbine |
| CN114439556B (en) * | 2022-01-24 | 2023-09-12 | 天津国能津能热电有限公司 | Turbine rotating speed probe cooling support |
| CN115302222A (en) * | 2022-09-19 | 2022-11-08 | 华能鹤岗发电有限公司 | Axial displacement installation and debugging method |
| CN115302222B (en) * | 2022-09-19 | 2023-11-21 | 华能鹤岗发电有限公司 | Axial displacement mounting and debugging method |
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| Publication number | Publication date |
|---|---|
| CN109026197B (en) | 2021-02-02 |
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