CN214039837U - Large-scale turbonator stator and rotor air gap direct-reading type measuring instrument - Google Patents
Large-scale turbonator stator and rotor air gap direct-reading type measuring instrument Download PDFInfo
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- CN214039837U CN214039837U CN202120091943.5U CN202120091943U CN214039837U CN 214039837 U CN214039837 U CN 214039837U CN 202120091943 U CN202120091943 U CN 202120091943U CN 214039837 U CN214039837 U CN 214039837U
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Abstract
A direct-reading measuring instrument for the air gap between stator and rotor of large-scale turbonator relates to the technical field of measuring tools, comprising a measuring tube, a measuring rod, an operating tube and a dial indicator; the two ends of the measuring tube are closed, an opening is formed in the center of the end face of one end of the measuring tube, one end of a measuring rod is movably inserted into the opening, a moving handle which is perpendicular to the measuring rod correspondingly is arranged at the end part, located in the measuring tube, of the measuring rod, and a spring is sleeved on a rod body, located between the opening of the measuring tube and the moving handle, of the measuring rod; a strip-shaped slot I is formed in the position, corresponding to the movable handle, of the measuring pipe body, and one end, away from the measuring rod, of the movable handle extends out of the strip-shaped slot I; one end of the operating pipe is correspondingly and vertically fastened and connected with the end, provided with the opening, of the measuring pipe, and the axis of the operating pipe is correspondingly parallel to the axis of the moving handle; the utility model discloses convenient to use, measurement accuracy is higher.
Description
Technical Field
The utility model belongs to the technical field of measuring tool technique and specifically relates to a large-scale turbo generator stator and rotor air gap direct-reading measuring apparatu is related to.
Background
The existing tool for measuring the steam gap length of the stator and the rotor of the large-scale steam turbine generator is generally a self-made simple tool, the length of the tool is adjusted by matching a screw rod and a screw cylinder, when the tool is used, a close value is obtained through multiple times of comparison tests, and then the tool is taken out and measured by a vernier caliper; the defects are that numerical values cannot be directly read, repeated comparison is not quick, errors are large, the influence of narrow and dark sites is caused, errors are larger due to improper selection of measurement places, and the phenomenon is a problem to be solved by technical staff in the field.
Disclosure of Invention
In order to overcome the not enough among the background art, the utility model discloses a large-scale turbo generator stator and rotor air gap direct-reading measuring apparatu.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a direct-reading measuring instrument for the air gap between stator and rotor of large turbonator is composed of measuring tube, measuring rod, operating tube and dial indicator; the two ends of the measuring tube are closed, an opening is formed in the center of the end face of one end of the measuring tube, one end of a measuring rod is movably inserted into the opening, a moving handle which is perpendicular to the measuring rod correspondingly is arranged at the end part, located in the measuring tube, of the measuring rod, and a spring is sleeved on a rod body, located between the opening of the measuring tube and the moving handle, of the measuring rod; a strip-shaped slot I is formed in the position, corresponding to the movable handle, of the measuring pipe body, and one end, away from the measuring rod, of the movable handle extends out of the strip-shaped slot I; one end of the operating pipe is correspondingly and vertically fastened and connected with the end, provided with the opening, of the measuring pipe, and the axis of the operating pipe is correspondingly parallel to the axis of the moving handle; a T-shaped sliding column is arranged in one end, away from the measuring tube, of the operating tube, a horizontal column body of the sliding column is correspondingly and slidably connected with the operating tube, a strip-shaped groove II is formed in the position, corresponding to the sliding column, of the operating tube body, and a vertical column body of the sliding column extends out of the strip-shaped groove II; one end of the horizontal column body of the sliding column, corresponding to the operating tube, is correspondingly connected with one end of the moving handle, which is far away from the measuring rod, through a flexible steel wire rope, and a fixed pulley for changing the moving direction of the flexible steel wire rope is arranged at a position, close to the measuring tube, in the operating tube; the one end tip that the control tube deviates from surveying buret is equipped with the percentage table, and the probe of percentage table corresponds with the slip post and contradicts.
Preferably, the position of the operating pipe body close to the measuring pipe is provided with a camera device.
Preferably, the camera device is an endoscope probe or an external illuminating camera of a mobile phone.
Preferably, the measuring tube has a hemispherical structure at its end facing away from the measuring tube opening.
Preferably, the end of the measuring rod extending out of the measuring tube is in a pointed cone or hemisphere structure.
Preferably, the rope body of the flexible steel wire rope between the corresponding movable handle and the fixed pulley is parallel to the measuring pipe body correspondingly.
Preferably, the flexible steel wire rope is in universal connection with the sliding column through a ball head structure.
Preferably, the operating pipe body is provided with anti-skid lines.
Preferably, the dial indicator is a digital display electronic watch.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses a direct-reading measuring instrument for air gaps between a stator and a rotor of a large-scale turbonator, which has the advantages of simple structure, convenient use, lower production cost and higher measuring precision; in addition, the position of the operating pipe body close to the measuring pipe is provided with the camera device, so that a proper measuring place can be conveniently selected, and errors caused by improper measuring places can be avoided if paint burrs can be avoided; survey buret and deviate from survey buret open-ended one end and be hemispherical structure, the one end that the measuring stick stretches out survey buret is sharp conical structure and can further improve measurement accuracy.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a connection structure of a flexible steel cable and a sliding column.
In the figure: 1. a measurement tube; 2. a measuring rod; 3. operating the tube; 4. a dial indicator; 5. a camera device; 6. a spring; 7. a movable handle; 8. a strip-shaped slot I; 9. a sliding post; 10. a strip-shaped slot II; 11. a flexible wire rope; 12. and a fixed pulley.
Detailed Description
The present invention will be explained in detail by the following embodiments, and it is to be understood that the present invention is intended to protect all technical improvements within the scope of the present invention, and in the description of the present invention, it is to be understood that if there are the terms "upper", "lower", "front", "rear", "left", "right", etc. indicating the orientation or positional relationship, it is only corresponding to the drawings of the present application, and for the convenience of description of the present invention, it is not intended to indicate or imply that the device or element referred to must have a specific orientation.
With reference to the attached drawings 1-2, the direct-reading measuring instrument for the air gap between the stator and the rotor of the large-scale turbonator comprises a measuring tube 1, a measuring rod 2, an operating tube 3 and a dial indicator 4; the two ends of the measuring tube 1 are closed, an opening is arranged at the center of the end face of one end of the measuring tube 1, one end of the measuring rod 2 is movably inserted into the opening, a moving handle 7 which is perpendicular to the measuring rod 2 is arranged at the end part of one end, located in the measuring tube 1, of the measuring rod 2, and a spring 6 is sleeved on a rod body, located between the opening of the measuring tube 1 and the moving handle 7, of the measuring rod 2; a strip-shaped slot I8 is formed in the position, corresponding to the movable handle 7, of the tube body of the measuring tube 1, and one end, away from the measuring rod 2, of the movable handle 7 extends out of the strip-shaped slot I8; one end of the operating pipe 3 is correspondingly and vertically fastened and connected with the end, provided with the opening, of the measuring pipe 1, and the axis of the operating pipe 3 is correspondingly parallel to the axis of the movable handle 7; a T-shaped sliding column 9 is arranged in one end, away from the measuring tube 1, of the operating tube 3, a horizontal column body of the sliding column 9 is correspondingly and slidably connected with the operating tube 3, a strip-shaped groove II 10 is formed in the position, corresponding to the sliding column 9, of the tube body of the operating tube 3, and a vertical column body of the sliding column 9 extends out of the strip-shaped groove II 10;
one end of the horizontal column body of the sliding column 9, corresponding to the operating tube 3, is correspondingly connected with one end of the movable handle 7, departing from the measuring rod 2, through a flexible steel wire rope 11, a fixed pulley 12 for changing the moving direction of the flexible steel wire rope 11 is arranged at a position, close to the measuring tube 1, in the operating tube 3, and the fact that the elongation of the flexible steel wire rope 11 does not affect the measuring result under the action of tensile force of about 20N is guaranteed; according to the requirement, the rope body of the flexible steel wire rope 11 between the corresponding movable handle 7 and the fixed pulley 12 is correspondingly parallel to the pipe body of the measuring pipe 1, so that the structural volume of the measuring part can be effectively reduced, and the operation in a narrow space is facilitated; a dial indicator 4 is arranged at one end part of the operating pipe 3, which is far away from the measuring pipe 1, and a probe of the dial indicator 4 is correspondingly abutted against the sliding column 9; according to the requirement, the dial indicator 4 is a digital display electronic watch, so that direct reading is facilitated, and the operation is convenient; namely, the sliding column 9 can be controlled to move close to the dial indicator 4, the sliding column 9 pulls the moving handle 7 through the flexible steel wire rope 11, the measuring rod 2 is further controlled to extend out of the measuring tube 1, and the elongation of the measuring rod 2 can be displayed through the dial indicator 4;
in addition, a camera device 5 is arranged at the position, close to the measuring tube 1, of the tube body of the operating tube 3, and the camera device 5 is an endoscope probe or a light-emitting camera externally used by a mobile phone, so that a proper measuring place can be conveniently selected, paint burrs can be avoided, and errors caused by improper measuring places are avoided; the end of the measuring tube 1, which is far away from the opening of the measuring tube 1, is of a hemispherical structure, and the end, extending out of the measuring tube 1, of the measuring rod 2 is of a pointed cone or hemispherical structure, so that the measuring precision can be further improved; the flexible steel wire rope 11 is in universal connection with the sliding column 9 through a ball head structure, so that the influence of accidental torsion of the flexible steel wire rope 11 on the measurement precision can be avoided; the pipe body of the operating pipe 3 is provided with anti-slip lines, so that the operating hand feeling of an operator can be effectively improved.
The first embodiment is as follows:
for example, the gap between the stator and the rotor of a certain turbonator is 95.00 mm, and the actual maximum measurement range is 95 +/-3 mm; during measurement, firstly checking a tool, checking by using the gap of 95.00 mm, determining a scale A value corresponding to the dial indicator 4, selecting 10 mm as the A value when the measuring range of the dial indicator 4 is 20 mm, and during measurement, obtaining an actual value of the gap of the stator and the rotor by conversion according to the value of the dial indicator 4; for example, the value read by the dial indicator 4 is 10.42 mm, the value of the steam gap between the stator and the rotor is 95+ (10.42-10) =95.42 mm, the value read by the dial indicator 4 is 9.35 mm, and the value of the steam gap between the stator and the rotor is 95+ (9.35-10) =94.65 mm.
The part of the utility model not detailed is prior art.
Claims (9)
1. A direct-reading measuring instrument for air gaps between a stator and a rotor of a large-scale turbonator is characterized in that: comprises a measuring tube (1), a measuring rod (2), an operating tube (3) and a dial indicator (4); the two ends of the measuring tube (1) are closed, an opening is formed in the center of the end face of one end of the measuring tube (1), one end of the measuring rod (2) is movably inserted into the opening, a moving handle (7) which is perpendicular to the measuring rod (2) is arranged at the end part, located in the measuring tube (1), of the measuring rod (2), and a spring (6) is sleeved on the rod body, located between the opening of the measuring tube (1) and the moving handle (7), of the measuring rod (2); a strip-shaped slot I (8) is formed in the position, corresponding to the movable handle (7), of the tube body of the measuring tube (1), and one end, away from the measuring rod (2), of the movable handle (7) extends out of the strip-shaped slot I (8); one end of the operating pipe (3) is correspondingly and vertically fastened with the end, provided with the opening, of the measuring pipe (1), and the axis of the operating pipe (3) is correspondingly parallel to the axis of the moving handle (7); a T-shaped sliding column (9) is arranged in one end, away from the measuring tube (1), of the operating tube (3), a horizontal column body of the sliding column (9) is correspondingly and slidably connected with the operating tube (3), a strip-shaped groove II (10) is formed in the position, corresponding to the sliding column (9), of the tube body of the operating tube (3), and a vertical column body of the sliding column (9) extends out of the strip-shaped groove II (10); one end, corresponding to the operating pipe (3), of the horizontal column body of the sliding column (9) is correspondingly connected with one end, away from the measuring rod (2), of the moving handle (7) through a flexible steel wire rope (11), and a fixed pulley (12) used for changing the moving direction of the flexible steel wire rope (11) is arranged at a position, close to the measuring pipe (1), in the operating pipe (3); one end part of the operating pipe (3) deviating from the measuring pipe (1) is provided with a dial indicator (4), and a probe of the dial indicator (4) is correspondingly abutted against the sliding column (9).
2. The large-scale turbine generator stator and rotor air gap direct-reading measuring instrument of claim 1, characterized in that: the position of the pipe body of the operating pipe (3) close to the measuring pipe (1) is provided with a camera device (5).
3. The large-scale turbine generator stator and rotor air gap direct-reading measuring instrument as claimed in claim 2, wherein: the camera device (5) is an endoscope probe or a light-emitting camera externally used by a mobile phone.
4. The large-scale turbine generator stator and rotor air gap direct-reading measuring instrument of claim 1, characterized in that: the measuring pipe (1) deviates from one end of the measuring pipe (1) opening and is of a hemispherical structure.
5. The large-scale turbine generator stator and rotor air gap direct-reading measuring instrument of claim 1, characterized in that: one end of the measuring rod (2) extending out of the measuring tube (1) is of a pointed cone or hemisphere structure.
6. The large-scale turbine generator stator and rotor air gap direct-reading measuring instrument of claim 1, characterized in that: the flexible steel wire rope (11) is correspondingly parallel to the pipe body of the measuring pipe (1) between the movable handle (7) and the fixed pulley (12).
7. The large-scale turbine generator stator and rotor air gap direct-reading measuring instrument of claim 1, characterized in that: the flexible steel wire rope (11) is in universal connection with the sliding column (9) through a ball head structure.
8. The large-scale turbine generator stator and rotor air gap direct-reading measuring instrument of claim 1, characterized in that: the pipe body of the operating pipe (3) is provided with anti-skid grains.
9. The large-scale turbine generator stator and rotor air gap direct-reading measuring instrument of claim 1, characterized in that: the dial indicator (4) is a digital display electronic watch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120091943.5U CN214039837U (en) | 2021-01-14 | 2021-01-14 | Large-scale turbonator stator and rotor air gap direct-reading type measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120091943.5U CN214039837U (en) | 2021-01-14 | 2021-01-14 | Large-scale turbonator stator and rotor air gap direct-reading type measuring instrument |
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| Publication Number | Publication Date |
|---|---|
| CN214039837U true CN214039837U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120091943.5U Active CN214039837U (en) | 2021-01-14 | 2021-01-14 | Large-scale turbonator stator and rotor air gap direct-reading type measuring instrument |
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| CN (1) | CN214039837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865468A (en) * | 2021-11-16 | 2021-12-31 | 国网四川省电力公司映秀湾水力发电总厂 | Special dipperstick of motor stator rotor air gap |
-
2021
- 2021-01-14 CN CN202120091943.5U patent/CN214039837U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865468A (en) * | 2021-11-16 | 2021-12-31 | 国网四川省电力公司映秀湾水力发电总厂 | Special dipperstick of motor stator rotor air gap |
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