CN205138394U - Circle frame is surveyed to simple and easy rotor - Google Patents
Circle frame is surveyed to simple and easy rotor Download PDFInfo
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- CN205138394U CN205138394U CN201520906665.9U CN201520906665U CN205138394U CN 205138394 U CN205138394 U CN 205138394U CN 201520906665 U CN201520906665 U CN 201520906665U CN 205138394 U CN205138394 U CN 205138394U
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Abstract
The utility model provides a circle frame is surveyed to simple and easy rotor, it includes first holding ring, second holding ring, journal bearing, connecting rod, base, thrust bearing, compensating beam, measuring stick, being fixed with the journal bearing that three group's equal circumference distribute between first holding ring of and the second holding ring, the upper surface at the second holding ring is fixed along the diameter symmetry to two connecting rods, and the compensating beam is fixed in the upper end of connecting rod, and the base passes through thrust bearing to be fixed in the below of compensating beam, and the terminal surface design has the tang under the base. The one end of support arm and connecting rod rigid coupling are located the upper surface of second holding ring, and the other end of support arm is fixed on the connecting seat, and the opposite side of connecting seat is fixed with branch, and the below of branch is fixed with the measuring stick, are fixed with the tail end assembly pouring weight of counter weight arm, counter weight arm in the symmetry department of second holding ring surface and measuring stick. The utility model discloses practical nimble, measurement accuracy is high, can satisfy in hydroelectric set rotor assembling process at any time and to carry out the demand that detects to rotor yoke circularity and concentricity.
Description
Technical field
The utility model relates to hydroelectric generating set rotor assembling field, is related specifically to hydroelectric generating set rotor yoke and magnetic pole circularity, concentricity testing device.
Background technology
Rotor is the important rotatable parts of turbine-generator units, whether its circularity is by even for the clearance directly affecting unit, the center of gravity of concentricity to unit of rotor has a significant impact, if rotor circularity in an assembling process and concentricity effectively can not be controlled, unit will be caused to vibrate in operational process very large, therefore very high to the accuracy requirement of the circularity of rotor rim and magnetic pole, concentricity in rotor assembling process, a kind of device is needed to measure, to adjust in time the circularity of rotor rim and magnetic pole, concentricity at any time.
Guide bearing block is generally adopted to hug generator shaft in hydroelectric generating set rotor assembling field at present, the survey round belting of distinguish thrust pad.If this device finds that guide bearing block seize is too tight, rotates dumb at the scene in use procedure, firmly uneven, have a strong impact on measuring accuracy; If guide bearing block seize is tight not, cause measuring error comparatively large, and split-type pedestal is difficult to the circumferential levelness of adjustment, whenever turning to seaming position, jerk value is very large.Also have some monoblock types to survey round belting due to inner structure complexity in addition, the factor affecting accuracy for roundness measurement is a lot, is difficult to reach desirable measurement effect.
Utility model content
The simple and easy rotor of the utility model is surveyed circle frame and is solved above-mentioned survey round belting and rotate dumb, and the problems such as measuring accuracy is not high, and error is large, can measure rotor rim and magnetic pole circularity, concentricity at any time in rotor assembling process.
The technical scheme that the utility model adopts is that circle frame surveyed by a kind of simple and easy rotor, its main points are that it comprises the first locating ring, the second locating ring, transverse bearing, connecting link, pedestal, thrust bearing, balance beam, sounding rod, the transverse bearing of three groups of equal circumference distributions is fixed with between first locating ring and the second locating ring, two connecting links diametrically symmetrical upper surface being fixed on the second locating ring, balance beam is fixed on the upper end of connecting link, pedestal is fixed on the below of balance beam by thrust bearing, and pedestal lower surface is designed with seam.One end and the connecting link of support arm are affixed, be positioned at the upper surface of the second locating ring, the other end of support arm is fixed on Connection Block, the opposite side of Connection Block is fixed with pole, the below of pole is fixed with sounding rod, weight arm is fixed with the symmetrical place of sounding rod, the tail end assembling pouring weight of weight arm on the second locating ring surface.
Pedestal of the present utility model is arranged on generator shaft top by the seam of bottom, and fixing structure ensure that the concentricity of itself and generator shaft.After adjusting the distance of sounding rod and rotor rim or magnetic pole as required, weight arm installs balancing weight to ensure the utility model simple and easy survey circle frame two ends balance additional.
In three groups of transverse bearings, have one group can be radially movable.Push moveable transverse bearing to generator shaft by jackscrew during use, until three groups of transverse bearings all with generator shaft close contact.Unclamp this group transverse bearing and can facilitate the utility model integral demounting, be again assembled to another machine and use.
Have brace, its one end is connected with arm end, and the other end is connected with balance beam, forms triangular structure.Increase the strength and stability of support arm.
Sounding rod is fixed on pole by upper and lower two intermediate plates, convenient adjustment.
Between sounding rod and pole, diagonal brace is installed, the intensity of sounding rod can be strengthened, reduce oscillating quantity in use as far as possible.
Be fixed with reinforcement on the surface of two support arms, increase the strength and stability of support arm.
The seam of pedestal must be concentric with thrust axis bearing bore, and thrust axis bearing bore and thrust bearing are interference fit.Avoid thrust bearing and pedestal in use produces play because of excesssive gap, thus reduce measuring error.
After the utility model simple and easy rotor survey circle frame assembles, balance beam sets up dial gauge, and indicator points to generator shaft center, rotates and surveys round frame, the reading of observed and recorded four groups of dial gauges in symmetrical both direction.If the difference of the dial gauge reading in symmetrical both direction, more than 0.04mm, is finely tuned pedestal, repeated above-mentioned steps after screwde on, until the difference of dial gauge reading in symmetrical both direction is no more than 0.04mm.
Dial gauge, magnetic stand are fixed on the suitable position of sounding rod and can measure the yoke on same cross section or magnetic pole circularity.Also piano wire can be hung on support arm, coordinate micrometer inside caliper, measure yoke on one group of same vertical face or the absolute radius of magnetic pole by electrical measuring method, to measure the relative circularity on each cross section with the measurement point on vertical face for benchmark, and then calculate the absolute radius of each point on cross section.
It is flexibly practical that circle frame surveyed by the simple and easy rotor of the utility model, and measuring accuracy is high, can meet at any time to the demand that rotor rim circularity and concentricity detect in hydroelectric generating set rotor assembling process, and work efficiency is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
Fig. 2 is the utility model using state schematic diagram
Fig. 3 is that circle frame locating ring detail drawing surveyed by the simple and easy rotor of the utility model
Fig. 4 is that circle frame pedestal detail drawing surveyed by the simple and easy rotor of the utility model
Wherein: 1 first locating ring 2 second locating ring 3 transverse bearing 4 balancing weight 6 weight arm
7 connecting link 8 pedestal 9 thrust bearing 10 Connection Block 11 balance beam 12 brace 13 pole 15 reinforcement 16 sounding rod 17 diagonal brace 19 dial gauge 20 magnetic stand 22 support arm 23 bolt 24 nut 25 jackscrew 81 seam 161 intermediate plates.
Embodiment
Below in conjunction with accompanying drawing, the utility model is conducted further description.
As Figure 1-4, circle frame surveyed by a kind of simple and easy rotor, and it comprises the first locating ring 1, second locating ring 2, transverse bearing 3, connecting link 7, pedestal 8, thrust bearing 9, balance beam 11, sounding rod 16.The transverse bearing 3 of three groups of equal circumference distributions is fixed with between first locating ring 1 and the second locating ring 2, wherein one group can radially be moved, therefore three designed on the first locating ring 1, second locating ring 2 bearing fixed orifices are uniformly distributed, wherein two is fixed orifice, and another one is elongated hole (as shown in Figure 3).Respectively welding a nut 24 at the elongated hole place of the first locating ring lower surface, the second locating ring upper surface, and have the jackscrew 25 matched with nut 24, adjusting the position of bearing by rotating jackscrew.Push moveable transverse bearing to generator shaft by jackscrew 25 during use, until three groups of transverse bearings all with generator shaft close contact.Unclamp this group transverse bearing and can facilitate the utility model integral demounting, be again assembled to another machine and use.
Two isometric and straight connecting links 7 diametrically symmetrical fixing (welding) at upper surface of the second locating ring 2, balance beam 11 is fixed on the upper end of connecting link 7, pedestal 8 is fixed on the below of balance beam 11 by thrust bearing 9, pedestal 8 lower surface is designed with seam 81(as shown in Figure 4), pedestal is arranged on generator shaft top by seam, and fixing structure ensure that the concentricity of itself and generator shaft.Pedestal 8 is fixedly connected with generator shaft surface by bolt 23.Pedestal 8 ensure that the concentricity of itself and generator shaft because of the fixing structure of bottom.The seam of pedestal 8 must be concentric with thrust axis bearing bore, thrust axis bearing bore and thrust bearing 9 interference fit, avoid thrust bearing 9 and pedestal 8 because of excesssive gap in use play, thus reduce measuring error.
In order to weight reduction, the utility model many uses rod member connects, for increasing the strength and stability connected, between two connecting links, increase brace form stable three-legged structure, as: one end and the connecting link 7 of support arm 22 are affixed, be positioned at the upper surface of the second locating ring 2, its other end is fixed on Connection Block 10.One end of brace 12 is connected with support arm 22 end, and the other end is connected with balance beam, forms triangular structure.Simultaneously be fixed with reinforcement 15 on the surface of two support arms 22, make two support arms form a stable plane.The opposite side of Connection Block 10 is fixed with pole 13, and the below of pole 13 is fixed with sounding rod 16, and sounding rod 16 is fixed on pole 13 by upper and lower two intermediate plates 161, unclamps intermediate plate 161, and sounding rod 16 can move along pole 13, to regulate the distance of itself and measurement point.Diagonal brace 17 is installed between sounding rod 16 and pole 13, the intensity of sounding rod can be strengthened, reduce oscillating quantity in use as far as possible.
Weight arm 6 is fixed with the symmetrical place of sounding rod 16, the tail end assembling pouring weight 4 of weight arm on the second locating ring 2 surface.After adjusting the distance of sounding rod and rotor rim or magnetic pole as required, weight arm installs balancing weight 4 to ensure the utility model simple and easy survey circle frame two ends balance additional.
After the utility model simple and easy rotor survey circle frame assembles, balance beam 11 sets up dial gauge, and indicator points to generator shaft center, rotates and surveys round frame, the reading of observed and recorded four groups of dial gauges in symmetrical both direction.If the difference of the dial gauge reading in symmetrical both direction, more than 0.04mm, is finely tuned pedestal 8, after clamping screw 23, repeat above-mentioned steps, until the difference of dial gauge reading in symmetrical both direction is no more than 0.04mm.
Dial gauge 19, magnetic stand 20 are fixed and can be measured the yoke on same cross section or magnetic pole circularity in position.Also piano wire can be hung on support arm 13, coordinate micrometer inside caliper, measure yoke on one group of same vertical face or the absolute radius of magnetic pole by electrical measuring method, to measure the relative circularity on each cross section with the measurement point on vertical face for benchmark, and then calculate the absolute radius of each point on cross section.
After rotor assembling completes, pull down sounding rod 16, unclamp the jackscrew 25 on the first locating ring 1, second locating ring 2, the utility model can axially be sling by the bolt 23 on pedestal 8, disassemble, move on another machine rotor generator shaft, screw jackscrew 25, can come into operation after adjusting the concentricity of the utility model and generator shaft.
It is flexibly practical that circle frame surveyed by the simple and easy rotor of the utility model, and measuring accuracy is high, can meet at any time to the demand that rotor rim circularity and concentricity detect in hydroelectric generating set rotor assembling process, and work efficiency is high.
Claims (7)
1. circle frame surveyed by a simple and easy rotor, it is characterized in that it comprises the first locating ring (1), second locating ring (2), transverse bearing (3), connecting link (7), pedestal (8), thrust bearing (9), balance beam (11), sounding rod (16), three groups of transverse bearings (3) of equal circumference distribution are fixed with between first locating ring (1) and the second locating ring (2), two connecting links (7) diametrically symmetry are fixed on the upper surface of the second locating ring (2), balance beam (11) is fixed on the upper end of connecting link (7), pedestal (8) is fixed on the below of balance beam (11) by thrust bearing (9), pedestal (8) lower surface is designed with seam (81), one end and the connecting link (7) of support arm (22) are affixed, be positioned at the upper surface of the second locating ring (2), the other end of support arm (22) is fixed on Connection Block (10), the opposite side of Connection Block (10) is fixed with pole (13), the below of pole (13) is fixed with sounding rod (16), weight arm (6) is fixed with the symmetrical place of sounding rod (16) on the second locating ring (2) surface, tail end assembling pouring weight (4) of weight arm (6).
2. circle frame surveyed by simple and easy rotor according to claim 1, it is characterized in that, in three groups of transverse bearings (3), have one group can be radially movable.
3. circle frame surveyed by simple and easy rotor according to claim 1, and it is characterized in that there is brace (12), its one end is connected with support arm (22) end, and the other end is connected with balance beam, forms triangular structure.
4. circle frame surveyed by simple and easy rotor according to claim 1, and it is characterized in that, sounding rod (16) is fixed on pole (13) by upper and lower two intermediate plates (161).
5. circle frame surveyed by simple and easy rotor according to claim 1, it is characterized in that, installs diagonal brace (17) between sounding rod (16) and pole (13).
6. circle frame surveyed by simple and easy rotor according to claim 1, it is characterized in that, is fixed with reinforcement (15) on the surface of two support arms (22).
7. circle frame surveyed by simple and easy rotor according to claim 1, and it is characterized in that, the seam of pedestal (8) must be concentric with thrust axis bearing bore, and thrust axis bearing bore and thrust bearing (9) are interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520906665.9U CN205138394U (en) | 2015-11-16 | 2015-11-16 | Circle frame is surveyed to simple and easy rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520906665.9U CN205138394U (en) | 2015-11-16 | 2015-11-16 | Circle frame is surveyed to simple and easy rotor |
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| Publication Number | Publication Date |
|---|---|
| CN205138394U true CN205138394U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520906665.9U Active CN205138394U (en) | 2015-11-16 | 2015-11-16 | Circle frame is surveyed to simple and easy rotor |
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| CN (1) | CN205138394U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462132A (en) * | 2017-06-29 | 2017-12-12 | 重庆大唐国际彭水水电开发有限公司 | A kind of measurement apparatus and method of the absolute radius of hydraulic generator rotor |
| CN110044315A (en) * | 2019-05-07 | 2019-07-23 | 中国水利水电科学研究院 | Roundness measuring system |
| CN112414252A (en) * | 2020-11-19 | 2021-02-26 | 江苏理工学院 | Device and method for quickly detecting quality of cylindrical products produced in batch |
-
2015
- 2015-11-16 CN CN201520906665.9U patent/CN205138394U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462132A (en) * | 2017-06-29 | 2017-12-12 | 重庆大唐国际彭水水电开发有限公司 | A kind of measurement apparatus and method of the absolute radius of hydraulic generator rotor |
| CN110044315A (en) * | 2019-05-07 | 2019-07-23 | 中国水利水电科学研究院 | Roundness measuring system |
| CN110044315B (en) * | 2019-05-07 | 2024-02-02 | 中国水利水电科学研究院 | Roundness measuring system |
| CN112414252A (en) * | 2020-11-19 | 2021-02-26 | 江苏理工学院 | Device and method for quickly detecting quality of cylindrical products produced in batch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |