CN214621595U - Rotor dynamic balance adjusting device - Google Patents
Rotor dynamic balance adjusting device Download PDFInfo
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- CN214621595U CN214621595U CN202120388925.3U CN202120388925U CN214621595U CN 214621595 U CN214621595 U CN 214621595U CN 202120388925 U CN202120388925 U CN 202120388925U CN 214621595 U CN214621595 U CN 214621595U
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Abstract
The invention discloses a rotor dynamic balance adjusting device which comprises a first nut, a second nut, a first sliding block, a second sliding block, a first T-shaped bolt, a second T-shaped bolt, an inner hexagonal cylinder head bolt, a circular disc body, a first circular ring body, a second circular ring body and a third circular ring body. The end face of the correction amount and the direction can be adjusted, and the magnitude and the direction of the correction amount are adjusted to offset the unbalanced resultant force and the unbalanced resultant couple, so that the effect of reducing or eliminating the unbalance amount is achieved, and the unbalanced state is controlled within an acceptable range.
Description
Technical Field
The invention belongs to the technical field of adjusting equipment, and particularly relates to a dynamic balance adjusting device for a rotor.
Background
Due to the influence of factors such as uneven material, process errors, uneven deformation of rotor blades, uneven wear or local chipping, unbalance always exists on the rotor. Imbalance causes rotor vibration, accelerates wear of components such as bearings, shaft seals, etc., and reduces the service life and efficiency of the machine. The traditional dynamic balance is adjusted by removing weight or adding weight on the rotor, but the limitation is large during the operation process due to the structure of the rotor and other factors. The utility model relates to an adjustable correction amount size and the terminal surface of direction, through the size and the direction of adjustment correction amount, thereby offset the effect that reaches reduction or elimination unbalance amount with unbalanced resultant couple to unbalanced resultant force and unbalanced resultant couple and control at the acceptable within range.
Disclosure of Invention
In order to solve the problems, the invention discloses a rotor dynamic balance adjusting device. The utility model relates to an adjustable correction amount size and the terminal surface of direction, through the size and the direction of adjustment correction amount, thereby offset the effect that reaches reduction or elimination unbalance amount with unbalanced resultant couple to unbalanced resultant force and unbalanced resultant couple and control at the acceptable within range. The utility model discloses a new technology avoids the destruction to former work piece for the adjustment is more convenient, and adjustable precision is higher.
A rotor dynamic balance adjusting device comprises a first nut, a second nut, a first sliding block, a second sliding block, a first T-shaped bolt, a second T-shaped bolt, an inner hexagonal cylinder head bolt, a disc body, a first ring body, a second ring body and a third ring body; the third circular body is positioned at the central position of the circular disc body through four fan-shaped ring bosses in the circular disc body and is connected through the inner hexagonal cylindrical head bolt; the second annular body and the third annular body are concentric, arranged in the circular body and fixed through the inner hexagonal cylindrical head bolt; the first T-shaped bolt is arranged in the middle of the lower parts of the second ring body and the third ring body and limited by a sliding chute arranged between the second ring body and the third ring body and the disc body; the first ring body and the third ring body are concentric, are arranged on the outer side of the third ring body and are fixed through the inner hexagonal cylindrical head bolt; the second T-shaped bolt is arranged in the middle of the lower parts of the second annular body and the first annular body and is limited by a sliding chute arranged between the second annular body and the disc body; the first sliding block is arranged in the middle of the upper parts of the first circular ring body and the second circular ring body, so that a sliding groove arranged between the first circular ring body and the second circular ring body is limited, and a first T-shaped bolt is connected; the second slider is arranged in the upper middle position of the second ring body and the upper middle position of the third ring body, so that a sliding groove arranged between the second ring body and the third ring body is limited, and a second T-shaped bolt is connected.
Furthermore, the circular disc body is provided with a fan ring boss matched with the third circular disc body; the disc body is provided with a hole matched with the inner hexagonal cylindrical head bolt; the through hole at the center of the disc body is provided with a groove matched with the key.
Furthermore, the first ring body is provided with a hole matched with the inner hexagonal cylindrical bolt; a sliding groove matched with the first T-shaped bolt is formed in the lower part of the gap between the first circular ring body and the second circular ring body; and a sliding groove matched with the first sliding block is arranged at the upper part of the clearance position of the first annular body and the second annular body.
Furthermore, the second ring body is provided with a hole matched with the inner hexagonal cylindrical bolt; a sliding groove matched with a second T-shaped bolt is formed in the lower part of the gap between the second circular ring body and the third circular ring body; and a sliding groove matched with the second sliding block is arranged at the upper part of the clearance position between the second circular ring body and the third circular ring body.
Furthermore, the third circular body is provided with a fan ring groove matched with the circular body; and the second ring body is provided with a hole matched with the inner hexagonal cylindrical bolt.
Further, the bolt heads of the first T-shaped bolt and the second T-shaped bolt are in a circular sector ring shape.
The invention has the beneficial effects that:
the principle of correcting the dynamic unbalance of the rotor is to cancel the unbalance force by the centrifugal force generated during rotation, whether the rotor is weighted or de-weighted, since the centrifugal force is equal to mrw ^2, w is consistent at each end and is variable for the rotor, the adjustment of the unbalance depends on the magnitude of the product of mass and half-value, i.e. the correction, mr, the vector of which is consistent with the direction of the corresponding centrifugal force: pointing outward from the center of the circle.
The utility model discloses it is different at two kinds of areas of terminal surface design, apart from the centre of a circle distance difference but the same circle fan ring shape of the correction amount size that produces makes it freely rotate at the design terminal surface.
Since the correction is vector and equal in magnitude, the rotation produces a correction with an equivalent magnitude of 2mr × cos (a/2) in the direction of the middle of the two. When the two are separated by 180 degrees, the correction effect is zero (the generated centrifugal forces are equal and opposite in direction), and the unbalance of the rotor and the unbalanced end face is conveniently measured.
The utility model relates to a detachable adjustment terminal surface has avoided rotor structure body to be unfavorable for dynamic balance to correct the shortcoming.
The utility model discloses a 360 degrees regulations can be realized to two adjustable sliders.
The utility model discloses the unbalance amount size that can adjust as required calculates and designs the angle and the width of fan ring slider.
The utility model discloses it is higher to adjust adjustable precision according to the principle of making a concerted effort.
Drawings
Fig. 1 is an exploded view of the general structure of the present invention.
Fig. 2 is an assembly view of the general structure of the present invention.
Description of the drawings: 1. a first nut; 2. a second nut; 3. a first slider; 4. a second slider; 5. a key; 6. a first T-bolt; 7. a second T-bolt; 8. a hexagon socket head cap screw; 9. a disc body; 10. a first torus; 11. a second torus; 12. a third ring body.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The rotor dynamic balance adjusting device comprises a first nut 1, a second nut 2, a first sliding block 3, a second sliding block 4, a first T-shaped bolt 6, a second T-shaped bolt 7, an inner hexagonal cylindrical head bolt 8, a disc body 9, a first ring body 10, a second ring body 11 and a third ring body 12; the third circular body is positioned at the central position of the circular disc body through four fan-shaped ring bosses in the circular disc body and is connected through the inner hexagonal cylindrical head bolt; the second annular body and the third annular body are concentric, arranged in the circular body and fixed through the inner hexagonal cylindrical head bolt; the first T-shaped bolt is arranged in the middle of the lower parts of the second ring body and the third ring body and limited by a sliding chute arranged between the second ring body and the third ring body and the disc body; the first ring body and the third ring body are concentric, are arranged on the outer side of the third ring body and are fixed through the inner hexagonal cylindrical head bolt; the second T-shaped bolt is arranged in the middle of the lower parts of the second annular body and the first annular body and is limited by a sliding chute arranged between the second annular body and the disc body; the first sliding block is arranged in the middle of the upper parts of the first circular ring body and the second circular ring body, so that a sliding groove arranged between the first circular ring body and the second circular ring body is limited, and a first T-shaped bolt is connected; the second slider is arranged in the upper middle position of the second ring body and the upper middle position of the third ring body, so that a sliding groove arranged between the second ring body and the third ring body is limited, and a second T-shaped bolt is connected.
The circular disc body is provided with a fan ring boss matched with the third circular disc body; the disc body is provided with a hole matched with the inner hexagonal cylindrical head bolt; the through hole at the center of the disc body is provided with a groove matched with the key 5.
The first ring body is provided with a hole matched with the inner hexagonal cylindrical bolt; a sliding groove matched with the first T-shaped bolt is formed in the lower part of the gap between the first circular ring body and the second circular ring body; and a sliding groove matched with the first sliding block is arranged at the upper part of the clearance position of the first annular body and the second annular body.
The second ring body is provided with a hole matched with the inner hexagonal cylindrical bolt; a sliding groove matched with a second T-shaped bolt is formed in the lower part of the gap between the second circular ring body and the third circular ring body; and a sliding groove matched with the second sliding block is arranged at the upper part of the clearance position between the second circular ring body and the third circular ring body.
The third circular body is provided with a fan ring groove matched with the circular body; and the second ring body is provided with a hole matched with the inner hexagonal cylindrical bolt.
The bolt heads of the first T-shaped bolt and the second T-shaped bolt are circular sector rings.
The utility model discloses will when specifically using first slider with the 180 degrees angles assurance adjusting device's unbalance amount is in acceptable within range is placed to the second slider. The adjusting device is matched with the rotor rotating shaft through keys, after the unbalance amount and the unbalance amount position are measured, the unbalance amount synthesized by the first sliding block and the second sliding block is corrected, and the direction points to the opposite position of the measured unbalance amount. The first sliding block and the second sliding block are fixed through the second nut, so that the rotation process cannot be rotated, and the rotor imbalance is corrected.
The traditional dynamic balance is adjusted by removing weight or adding weight on the rotor, but the limitation is large during the operation process due to the structure of the rotor and other factors. The utility model relates to an adjustable correction amount size and the terminal surface of direction, through the size and the direction of adjustment correction amount, thereby offset the effect that reaches reduction or elimination unbalance amount with unbalanced resultant couple to unbalanced resultant force and unbalanced resultant couple and control at the acceptable within range. The utility model discloses a new technology avoids the destruction to former work piece for the adjustment is more convenient, and adjustable precision is higher.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.
Claims (6)
1. A rotor dynamic balance adjusting device is characterized in that: the device comprises a first nut, a second nut, a first sliding block, a second sliding block, a first T-shaped bolt, a second T-shaped bolt, an inner hexagonal cylinder head bolt, a disc body, a first circular ring body, a second circular ring body and a third circular ring body; the third circular body is positioned at the central position of the circular disc body through four fan-shaped ring bosses in the circular disc body and is connected through the inner hexagonal cylindrical head bolt; the second annular body and the third annular body are concentric, arranged in the circular body and fixed through the inner hexagonal cylindrical head bolt; the first T-shaped bolt is arranged in the middle of the lower parts of the second ring body and the third ring body and limited by a sliding chute arranged between the second ring body and the third ring body and the disc body; the first ring body and the third ring body are concentric, are arranged on the outer side of the third ring body and are fixed through the inner hexagonal cylindrical head bolt; the second T-shaped bolt is arranged in the middle of the lower parts of the second annular body and the first annular body and is limited by a sliding chute arranged between the second annular body and the disc body; the first sliding block is arranged in the middle of the upper parts of the first circular ring body and the second circular ring body, so that a sliding groove arranged between the first circular ring body and the second circular ring body is limited, and a first T-shaped bolt is connected; the second slider is arranged in the upper middle position of the second ring body and the upper middle position of the third ring body, so that a sliding groove arranged between the second ring body and the third ring body is limited, and a second T-shaped bolt is connected.
2. A dynamic rotor balance adjustment device as claimed in claim 1, wherein: the circular disc body is provided with a fan ring boss matched with the third circular disc body; the disc body is provided with a hole matched with the inner hexagonal cylindrical head bolt; the through hole at the center of the disc body is provided with a groove matched with the key.
3. A dynamic rotor balance adjustment device as claimed in claim 1, wherein: the first ring body is provided with a hole matched with the inner hexagonal cylindrical bolt; a sliding groove matched with the first T-shaped bolt is formed in the lower part of the gap between the first circular ring body and the second circular ring body; and a sliding groove matched with the first sliding block is arranged at the upper part of the clearance position of the first annular body and the second annular body.
4. A dynamic rotor balance adjustment device as claimed in claim 1, wherein: the second ring body is provided with a hole matched with the inner hexagonal cylindrical bolt; a sliding groove matched with a second T-shaped bolt is formed in the lower part of the gap between the second circular ring body and the third circular ring body; and a sliding groove matched with the second sliding block is arranged at the upper part of the clearance position between the second circular ring body and the third circular ring body.
5. A dynamic rotor balance adjustment device as claimed in claim 1, wherein: the third circular body is provided with a fan ring groove matched with the circular body; and the second ring body is provided with a hole matched with the inner hexagonal cylindrical bolt.
6. A dynamic rotor balance adjustment device as claimed in claim 1, wherein: the bolt heads of the first T-shaped bolt and the second T-shaped bolt are circular sector rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120388925.3U CN214621595U (en) | 2021-02-22 | 2021-02-22 | Rotor dynamic balance adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120388925.3U CN214621595U (en) | 2021-02-22 | 2021-02-22 | Rotor dynamic balance adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214621595U true CN214621595U (en) | 2021-11-05 |
Family
ID=78441461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120388925.3U Expired - Fee Related CN214621595U (en) | 2021-02-22 | 2021-02-22 | Rotor dynamic balance adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214621595U (en) |
-
2021
- 2021-02-22 CN CN202120388925.3U patent/CN214621595U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |