CN210154506U - Centering tool of horizontal pump - Google Patents
Centering tool of horizontal pump Download PDFInfo
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- CN210154506U CN210154506U CN201921057329.6U CN201921057329U CN210154506U CN 210154506 U CN210154506 U CN 210154506U CN 201921057329 U CN201921057329 U CN 201921057329U CN 210154506 U CN210154506 U CN 210154506U
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- horizontal pump
- centering
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Abstract
The utility model relates to a nuclear power overhauls technical field, specifically discloses a centering frock of horizontal pump, wherein the radial deviation of horizontal pump back wheel is measured to the excircle percentage table, and the terminal surface deviation of horizontal pump back wheel is measured to terminal surface percentage table A, terminal surface percentage table B. The utility model discloses centering frock simple structure, convenient to use can show the centering precision that improves pump and motor, reduces the inherent error of centering.
Description
Technical Field
The utility model belongs to the technical field of the nuclear power overhauls, concretely relates to centering frock of horizontal pump.
Background
The aim of centering the pump and the motor in the nuclear power station is to ensure that the central lines of the pump rotor and the motor rotor can be connected into a smooth and continuous curve, so that the excircle of the pump and the motor pair wheel are concentric and the end faces of the pump and the motor pair wheel are parallel, and the accurate centering of the pump and the motor pair wheel plays a key role in the long-term stable operation of a pump set.
If the deviation of the outer circles of the pump and the motor pair wheel is large or the parallelism of the end faces is not good, the dynamic unbalance of the pump and the motor rotor can be caused after the two rotors are connected, so that the pump set can vibrate during operation, and even the bearing of the pump or the motor can be damaged.
Therefore, the process of centering the pump and the motor in the coupling is very important, and the deviation of the centers of the pump and the motor in the coupling needs to be adjusted to be within an industry standard allowable range in the daily maintenance and overhaul of the pump set so as to ensure the safe and stable operation of the pump set and provide guarantee for the stable operation of the nuclear power steam turbine generator unit and the safety of a reactor.
However, the traditional method for centering the wheel by fixing the dial indicator by using the magnetic meter frame has larger inherent error and influences the centering precision of the pump and the motor.
Disclosure of Invention
An object of the utility model is to provide a centering frock of horizontal pump to improve the centering precision of pump and motor, reduce the inherent error of centering.
The technical scheme of the utility model as follows:
a centering tool of a horizontal pump is used for improving centering precision of a horizontal pump and a motor pair wheel and comprises a fixing plate, a connecting pipe, a dial indicator mounting plate, an excircle dial indicator, an end face dial indicator A, an end face dial indicator B and a fixing bolt;
the fixing plate is a strip plate, and two bolt holes are symmetrically processed at two ends of the fixing plate;
the fixing bolts respectively penetrate through bolt holes in the fixing plate and are fixedly connected with the motor back wheel;
the dial indicator mounting plate is an L-shaped connecting plate and comprises a vertical plate and a transverse plate;
the vertical plate is parallel to the fixed plate, a connecting pipe is welded between the vertical plate of the dial indicator mounting plate and the fixed plate, and the connecting pipe is perpendicular to the fixed plate;
the transverse plate is vertical to the vertical plate and is parallel to the connecting pipe;
the outer circle dial indicator is arranged on a transverse plate of the dial indicator mounting plate, and the end face dial indicator A and the end face dial indicator B are respectively arranged on the upper portion and the lower portion of a vertical plate of the dial indicator mounting plate;
the axis of the excircle dial indicator is vertical to the axis of the end face dial indicator A, and the axis of the end face dial indicator A is parallel to the axis of the end face dial indicator B;
the back wheel of the horizontal pump is positioned on the other side of the dial indicator mounting plate, and the top ends of the gauge needles of the excircle dial indicator, the end face dial indicator A and the end face dial indicator B are in contact with the back wheel of the horizontal pump;
the excircle dial indicator is used for measuring the radial deviation of the horizontal pump back wheel, and the end face dial indicator A and the end face dial indicator B are used for measuring the end face deviation of the horizontal pump back wheel.
The distance between the two bolt holes on the fixing plate is the same as that of the bolt holes on the motor back wheel.
The thickness of the fixing plate is greater than or equal to 16 mm.
The connecting pipe is a round pipe, and the diameter of the connecting pipe is more than or equal to 50 mm.
The excircle dial indicator, the end face dial indicator A and the end face dial indicator B are respectively arranged on the dial indicator mounting plate through fixing bolts.
The beneficial effects of the utility model reside in that:
the utility model discloses centering frock simple structure, convenient to use can show the centering precision that improves pump and motor, reduces the inherent error of centering.
Drawings
Fig. 1 is the utility model discloses centering frock schematic diagram.
In the figure: 1. a fixing plate; 2. a connecting pipe; 3. a dial indicator mounting plate; 4. an excircle dial indicator; 5. an end face dial indicator A; 6. an end face dial indicator B; 7. and (5) fixing the bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The centering tool for the horizontal pump shown in fig. 1 is used for improving centering precision of the horizontal pump and a motor pair wheel, and comprises a fixing plate 1, a connecting pipe 2, a dial indicator mounting plate 3, an outer circle dial indicator 4, an end face dial indicator A5, an end face dial indicator B6 and a fixing bolt 7.
The fixing plate 1 is a strip plate, two bolt holes are symmetrically processed at two ends of the strip plate, and the distance between the two bolt holes is the same as that between bolt holes on the motor back wheel.
And the fixing bolts 7 respectively penetrate through the bolt holes on the fixing plate 1 and are fixedly connected with the motor back wheel. The thickness of the fixing plate 1 is more than or equal to 16 mm.
The dial indicator mounting plate 3 is an L-shaped connecting plate and comprises a vertical plate and a transverse plate. The riser be parallel with fixed plate 1, the welding has connecting pipe 2 between the riser of percentage table mounting panel 3 and fixed plate 1, connecting pipe 2 is perpendicular with fixed plate 1. The transverse plate is vertical to the vertical plate and is parallel to the connecting pipe 2.
The connecting pipe 2 is a round pipe, and the diameter of the round pipe is more than or equal to 50 mm.
The excircle percentage table 4 locate on the diaphragm of percentage table mounting panel 3 through fixing bolt, the riser upper portion and the riser lower part of percentage table mounting panel 3 are located through fixing bolt respectively to terminal surface percentage table A5 and terminal surface percentage table B6.
The axis of the excircle dial indicator 4 is vertical to the axis of the end face dial indicator A5, and the axis of the end face dial indicator A5 is parallel to the axis of the end face dial indicator B6.
The back wheel of the horizontal pump is positioned on the other side of the dial indicator mounting plate 3, and the top ends of the pointer of the excircle dial indicator 4, the end face dial indicator A5 and the end face dial indicator B6 are in contact with the back wheel of the horizontal pump.
The excircle dial indicator 4 is used for measuring the radial deviation of the horizontal pump back-rest wheel, and the end face dial indicator A5 and the end face dial indicator B6 are used for measuring the end face deviation of the horizontal pump back-rest wheel.
Claims (5)
1. The utility model provides a centering frock of horizontal pump which characterized in that: the centering device is used for improving the centering precision of a horizontal pump and a motor paired wheel and comprises a fixing plate (1), a connecting pipe (2), a dial indicator mounting plate (3), an excircle dial indicator (4), an end face dial indicator A (5), an end face dial indicator B (6) and a fixing bolt (7);
the fixing plate (1) is a strip plate, and two bolt holes are symmetrically processed at two ends of the strip plate;
the fixing bolts (7) respectively penetrate through bolt holes in the fixing plate (1) and are fixedly connected with the motor backrest wheel;
the dial indicator mounting plate (3) is an L-shaped connecting plate and comprises a vertical plate and a transverse plate;
the vertical plate is parallel to the fixed plate (1), a connecting pipe (2) is welded between the vertical plate of the dial indicator mounting plate (3) and the fixed plate (1), and the connecting pipe (2) is perpendicular to the fixed plate (1);
the transverse plate is vertical to the vertical plate and is parallel to the connecting pipe (2);
the outer circle dial indicator (4) is arranged on a transverse plate of the dial indicator mounting plate (3), and the end face dial indicator A (5) and the end face dial indicator B (6) are respectively arranged on the upper part and the lower part of a vertical plate of the dial indicator mounting plate (3);
the axis of the excircle dial indicator (4) is vertical to the axis of the end face dial indicator A (5), and the axis of the end face dial indicator A (5) is parallel to the axis of the end face dial indicator B (6);
the back wheel of the horizontal pump is positioned on the other side of the dial indicator mounting plate (3), and the top ends of the needles of the excircle dial indicator (4), the end face dial indicator A (5) and the end face dial indicator B (6) are in contact with the back wheel of the horizontal pump;
the outer circle dial indicator (4) is used for measuring the radial deviation of the horizontal pump back wheel, and the end face dial indicator A (5) and the end face dial indicator B (6) are used for measuring the end face deviation of the horizontal pump back wheel.
2. The centering tool of the horizontal pump as claimed in claim 1, wherein: the distance between the two bolt holes on the fixing plate (1) is the same as that of the bolt holes on the motor backrest wheel.
3. The centering tool of the horizontal pump as claimed in claim 2, wherein: the thickness of the fixing plate (1) is more than or equal to 16 mm.
4. The centering tool of the horizontal pump as claimed in claim 3, wherein: the connecting pipe (2) is a round pipe, and the diameter of the round pipe is more than or equal to 50 mm.
5. The centering tool of the horizontal pump as claimed in claim 4, wherein: the outer circle dial indicator (4), the end face dial indicator A (5) and the end face dial indicator B (6) are arranged on the dial indicator mounting plate (3) through fixing bolts respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921057329.6U CN210154506U (en) | 2019-07-08 | 2019-07-08 | Centering tool of horizontal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921057329.6U CN210154506U (en) | 2019-07-08 | 2019-07-08 | Centering tool of horizontal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210154506U true CN210154506U (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921057329.6U Active CN210154506U (en) | 2019-07-08 | 2019-07-08 | Centering tool of horizontal pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN210154506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686228A (en) * | 2021-08-25 | 2021-11-23 | 中国电建集团山东电力建设有限公司 | Horizontal pump coupling wheel alignment frame and horizontal pump coupling wheel alignment method |
-
2019
- 2019-07-08 CN CN201921057329.6U patent/CN210154506U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686228A (en) * | 2021-08-25 | 2021-11-23 | 中国电建集团山东电力建设有限公司 | Horizontal pump coupling wheel alignment frame and horizontal pump coupling wheel alignment method |
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