CN215373750U - Device for measuring center of hollow nest of steam turbine cylinder and partition plate - Google Patents
Device for measuring center of hollow nest of steam turbine cylinder and partition plate Download PDFInfo
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- CN215373750U CN215373750U CN202121167478.5U CN202121167478U CN215373750U CN 215373750 U CN215373750 U CN 215373750U CN 202121167478 U CN202121167478 U CN 202121167478U CN 215373750 U CN215373750 U CN 215373750U
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Abstract
The utility model relates to a device for measuring the center of a hollow cavity of a steam turbine cylinder and a partition plate, which comprises an acousto-optic indicating part for prompting the current measuring state, wherein both ends of the acousto-optic indicating part are respectively and detachably connected with a connecting rod and an inner micrometer, and the free end of the connecting rod is mutually abutted to the cylinder or the partition plate. Compared with the prior art, the acoustic-optical indicating part is arranged, the two ends of the acoustic-optical indicating part are respectively detachably connected with the connecting rod and the inner micrometer, the free end of the connecting rod is abutted against the cylinder or the partition plate, the inner micrometer is touched with the steel wire, and when the inner micrometer is touched with the steel wire, the acoustic-optical indicating part correspondingly sends alarm information, so that a user can know the current measuring state without wearing an earphone and obtain a measuring result in time, thereby effectively simplifying the measuring operation and improving the measuring efficiency.
Description
Technical Field
The utility model relates to the technical field of hollow nest center measurement of a steam turbine, in particular to a device for measuring hollow nest centers of a steam turbine cylinder and a partition plate.
Background
In the design of a steam turbine, in order to install through-flow components such as a steam seal box, a partition plate, a shroud steam seal and the like in a cylinder, an annular process surface, namely a cylinder hollow nest, needs to be processed on a cylinder body of the cylinder, and when the steam turbine is installed and overhauled, the cylinder hollow nest can be used as a reference surface for positioning the cylinder body and positioning each component in the cylinder, so that the center of the cylinder hollow nest needs to be accurately measured; in addition, during the operation of the steam turbine, in order to reduce steam leakage loss, the steam seal clearance needs to be properly adjusted, and the center of the hollow nest of the partition plate needs to be measured during the steam seal clearance adjustment work so as to adjust the center of the partition plate to be concentric relative to the rotor, thereby ensuring that the steam seal clearance is accurately adjusted.
At present, a dummy shaft measuring method and a steel wire drawing method are mainly used for measuring the hollow center of a steam turbine cylinder and a partition plate, wherein the dummy shaft measuring method can simultaneously measure more data by arranging a measuring tool on a dummy shaft, but the requirement on placing the dummy shaft is strict, otherwise, the measuring accuracy is influenced, the dummy shaft is required to be manufactured according to different types of units, and the measuring cost is high; the steel wire drawing rule is that the steel wire is set up between two bearing seats using the rotor center as the benchmark, through adjustment micrometer length, after taking place the touching with the steel wire, utilize the earphone of being connected with the micrometer to learn the touching state, through earphone monitoring hollow nest measurement promptly, this kind of mode has reduced the measurement cost though, its operation is comparatively inconvenient, the user need wear the earphone just can learn the micrometer and take place the touching with the steel wire, it is lower to measure operating efficiency, be unfavorable for simultaneously and accurately learn measuring result.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to overcoming the above-mentioned drawbacks of the prior art and providing a device for measuring the center of a steam turbine cylinder and a diaphragm dimple, so as to improve the convenience and efficiency of the measurement operation.
The purpose of the utility model can be realized by the following technical scheme: the utility model provides a device that is used for steam turbine cylinder and baffle hollow nest center to measure, is including the reputation instruction portion that is used for indicateing current measurement state, the both ends of reputation instruction portion detachably are connected with respectively and connect pole and inside micrometer, the free end and the mutual butt of cylinder or baffle of connecting the pole.
Further, the acousto-optic indication portion comprises a cylinder, a battery, a buzzer and a light emitting diode are installed in the cylinder, one end of the battery is connected to the connecting rod through a first contact line, the other end of the battery is connected to one end of the buzzer and the anode of the light emitting diode respectively, and the other end of the buzzer and the cathode of the light emitting diode are connected to the inside micrometer through a second contact line.
Furthermore, a groove for placing a battery is formed in the cylinder, and a blind hole for placing a buzzer and a through hole for placing a light emitting diode are respectively formed in the cylinder.
Furthermore, the two ends of the cylinder are respectively connected with a first adapter and a second adapter, the first adapter is connected with the extension rod, and the second adapter is connected with the inside micrometer.
Further, both ends of the cylinder are respectively in threaded connection with the first adapter and the second adapter.
Furthermore, threaded connection between the first adapter and the extension rod, and threaded connection between the second adapter and the inside micrometer.
Furthermore, the first contact line passes through the first adapter and is connected with the extension rod, and the second contact line passes through the second adapter and is connected with the inside micrometer.
Further, the free end of the extension rod is of a top sharp-angled structure.
Further, the cylinder is made of organic glass materials.
Further, the connecting rod, the first adapter and the second adapter are all made of stainless steel materials.
A method for measuring the center of a hollow nest of a cylinder and a partition plate of a steam turbine comprises the following steps:
if the center of the cylinder hollow nest needs to be measured, the free end of the connecting rod is abutted against the cylinder, then a steel wire erected between two bearing seats taking the center of the rotor as a reference is touched with the inside micrometer through fine adjustment of the inside micrometer, and when the buzzer gives an alarm repeatedly and the light-emitting diode is lightened, the reading of the inside micrometer at the moment is the measured value of the center of the cylinder hollow nest;
if need measure baffle hole center, then will connect the free end of pole and the mutual butt of baffle, later through fine setting inside micrometer, make and erect the steel wire and the touching of inside micrometer between two bearing housings that use the rotor center as the benchmark, when buzzer repeated warning and emitting diode light up, inside micrometer reading at this moment is baffle hole center measurement value promptly.
Compared with the prior art, the utility model has the following advantages:
according to the utility model, the acousto-optic indication part is arranged, the two ends of the acousto-optic indication part are respectively detachably connected with the connecting rod and the inner micrometer, the free end of the connecting rod is abutted against the cylinder or the partition plate, and the inner micrometer is touched with the steel wire.
The battery, the buzzer and the light emitting diode are arranged in the cylinder to form the acousto-optic indicating part, the structure is simple and reliable, a user can conveniently and visually know the current measuring state, and meanwhile, the measuring precision can be further improved by combining a double alarm mode of the buzzer and the light emitting diode.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure of the acousto-optic indicator according to the present invention;
FIG. 3 is a schematic front view of the cylinder of the embodiment;
FIG. 4 is a schematic side view of the cylinder of the embodiment;
fig. 5 is a side view of the first adapter and the second adapter of the embodiment;
FIG. 6 is a schematic structural diagram of a connecting rod;
the notation in the figure is: 1. the sound and light indication part comprises a connecting rod 2, an inner micrometer 3, a first adapter 4, a second adapter 5, a battery 6, a buzzer 7, a light emitting diode 8 and a light emitting diode.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments.
Examples
As shown in figure 1, a device for measuring center of hollow cavities of a steam turbine cylinder and a partition plate comprises an acousto-optic indication part 1 used for prompting a current measuring state, wherein two ends of the acousto-optic indication part 1 are respectively detachably connected with a connecting rod 2 and an inner micrometer 3, and the free end of the connecting rod 2 is abutted to the cylinder or the partition plate. The acousto-optic indication part 1 comprises a cylinder, a battery 6, a buzzer 7 and a light emitting diode 8 are installed in the cylinder, as shown in fig. 2, one end of the battery 6 is connected to the connecting rod 2 through a first contact line, the other end of the battery 6 is respectively connected to one end of the buzzer 7 and the anode of the light emitting diode 8, and the other end of the buzzer 7 and the cathode of the light emitting diode 8 are both connected to the inside micrometer 3 through a second contact line;
the both ends of drum are connected with first adapter 4 and second adapter 5 respectively, first adapter 4 with connect pole 2 and be connected, second adapter 5 is connected with inside micrometer 3, the both ends of drum respectively with first adapter 4 and second adapter 5 threaded connection, first adapter 4 with connect threaded connection between the pole 2, threaded connection between second adapter 5 and the inside micrometer 3, first contact line passes first adapter 4 and connects pole 2 and be connected, the second contact line passes second adapter 5 and is connected with inside micrometer 3.
Specifically, a groove for placing the battery 6 is formed in the cylinder, a blind hole for placing the buzzer 7 and a through hole for placing the light emitting diode 8 are further formed in the cylinder, as shown in fig. 3 and 4, in the embodiment, the cylinder is made of organic glass materials, internal threads m2 x1.5 are formed in two ends of the cylinder, a threaded bottom hole is punched to connect the first adapter 4 and the second adapter 5, 26x50 and 20 grooves are formed in the front side of the cylinder, phi 30 and 20 holes are formed in the center of the back side, and phi 5.5 holes are punched in the center, wherein the light emitting diode is placed in the center.
As shown in fig. 5 and 6, the extension rod 2, the first adapter 4 and the second adapter 5 are all made of stainless steel, threaded through holes and through holes for passing through the first contact line or the second contact line are formed in the first adapter 4 and the second adapter 5, the free end of the extension rod 2 is of a top sharp-angled structure so as to ensure that the free end of the extension rod can be fully and reliably abutted against a cylinder or a partition plate, and a screw rod is arranged at the other end of the extension rod 2 so as to be matched with the threaded through hole of the first adapter 4.
When the device is installed specifically, a battery, a buzzer, a light emitting diode and a wiring are installed in a cylinder, two adapters are screwed into two ends of the cylinder respectively, then a first contact line and a second contact line are connected with the adapters at the two ends, wherein the adapter connected with the first contact line is screwed into a connecting rod with a proper length, and the adapter connected with the second contact line is screwed into an inside micrometer with the length adjusted.
In the dimple measuring process, by fine adjustment of the inside micrometer, when the inside micrometer touches a steel wire (which is erected between two bearing seats taking the center of a rotor as a reference in advance), due to the metal connection characteristic among a cylinder, a partition plate and the steel wire fixed on the bearing seats, when the touch occurs, a loop of the sound and light indicating part is communicated, a buzzer alarms, and a light emitting diode lights, when the scales of the same micrometer are finely adjusted to be the same, the alarm can be triggered repeatedly, and the scale reading of the micrometer is the dimple value of the current measuring point.
The device is applied to practice, and the specific measurement process comprises the following steps:
if the center of the cylinder hollow nest needs to be measured, the free end of the connecting rod is abutted against the cylinder, then a steel wire erected between two bearing seats taking the center of the rotor as a reference is touched with the inside micrometer through fine adjustment of the inside micrometer, and when the buzzer gives an alarm repeatedly and the light-emitting diode is lightened, the reading of the inside micrometer at the moment is the measured value of the center of the cylinder hollow nest;
if need measure baffle hole center, then will connect the free end of pole and the mutual butt of baffle, later through fine setting inside micrometer, make and erect the steel wire and the touching of inside micrometer between two bearing housings that use the rotor center as the benchmark, when buzzer repeated warning and emitting diode light up, inside micrometer reading at this moment is baffle hole center measurement value promptly.
In conclusion, the structure of the utility model is compact and portable: the appearance is small and exquisite and convenient for measurement operation, measurement feedback is carried out through the buzzer and the light emitting diode, an earphone does not need to be worn, and the portability is greatly improved;
the utility model has simple and high-efficiency operation: by the aid of the buzzing alarm and the light-emitting diode lighting indication, measurement operation is clear and visual, and operation efficiency can be greatly improved;
the utility model has higher measurement precision: the double feedback of the buzzing alarm and the light-emitting diode lighting indication ensures the reliability of the measuring result and improves the measuring precision.
Claims (10)
1. The utility model provides a device that is used for steam turbine cylinder and baffle hollow nest center to measure, its characterized in that, is including acousto-optic indication portion (1) that is used for indicateing current measurement status, the both ends of acousto-optic indication portion (1) detachably are connected with respectively and connect pole (2) and inside micrometer (3), the free end and the cylinder or the mutual butt of baffle that connect pole (2).
2. Device for steam turbine cylinder and diaphragm dimple center measurement according to claim 1, characterized by that the acousto-optic indicator (1) comprises a cylinder, inside which is mounted a battery (6), a buzzer (7) and a light emitting diode (8), one end of the battery (6) is connected to the extension bar (2) through a first contact line, the other end of the battery (6) is connected to one end of the buzzer (7) and the anode of the light emitting diode (8), respectively, the other end of the buzzer (7) and the cathode of the light emitting diode (8) are both connected to the inside micrometer (3) through a second contact line.
3. The device for measuring the hollow center of the cylinder and the partition board of the steam turbine as claimed in claim 2, wherein the cylinder is provided with a slot for placing the battery (6), and the cylinder is further provided with a blind hole for placing the buzzer (7) and a through hole for placing the light emitting diode (8).
4. The device for measuring the hollow center of a cylinder and a partition plate of a steam turbine as claimed in claim 2, wherein a first adapter (4) and a second adapter (5) are respectively connected to two ends of the cylinder, the first adapter (4) is connected with the connecting rod (2), and the second adapter (5) is connected with the inside micrometer (3).
5. Device for measuring the dimpling center of a steam turbine cylinder and diaphragm according to claim 4, characterized in that the two ends of the cylinder are screwed with the first (4) and second (5) swivel joints, respectively.
6. A device for measuring the dimpled center of a cylinder and a partition of a steam turbine according to claim 4, characterized in that the first adapter (4) is in threaded connection with the extension rod (2) and the second adapter (5) is in threaded connection with the inside micrometer (3).
7. A device for steam turbine cylinder and diaphragm dimple center measurement according to claim 4, characterized in that the first contact line is connected to the extension bar (2) through a first adapter (4) and the second contact line is connected to the inside micrometer (3) through a second adapter (5).
8. Device for measuring the dimpling center of a steam turbine cylinder and diaphragms according to any one of claims 1 to 7, characterized in that the free end of the extension rod (2) is of a pointed configuration.
9. The device for measuring the depressed center of the steam turbine cylinder and the partition plate according to any one of claims 2 to 7, wherein the cylinder is made of organic glass materials.
10. The device for measuring the dimpled center of the cylinder and the partition plate of the steam turbine according to any one of claims 4 to 7, wherein the connecting rod (2), the first adapter (4) and the second adapter (5) are all made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121167478.5U CN215373750U (en) | 2021-05-28 | 2021-05-28 | Device for measuring center of hollow nest of steam turbine cylinder and partition plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121167478.5U CN215373750U (en) | 2021-05-28 | 2021-05-28 | Device for measuring center of hollow nest of steam turbine cylinder and partition plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215373750U true CN215373750U (en) | 2021-12-31 |
Family
ID=79632062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121167478.5U Active CN215373750U (en) | 2021-05-28 | 2021-05-28 | Device for measuring center of hollow nest of steam turbine cylinder and partition plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215373750U (en) |
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2021
- 2021-05-28 CN CN202121167478.5U patent/CN215373750U/en active Active
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