CN204145233U - The hot dynamic balancing auxiliary body of rotor and hot dynamic balance measuring device - Google Patents
The hot dynamic balancing auxiliary body of rotor and hot dynamic balance measuring device Download PDFInfo
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- CN204145233U CN204145233U CN201420671595.9U CN201420671595U CN204145233U CN 204145233 U CN204145233 U CN 204145233U CN 201420671595 U CN201420671595 U CN 201420671595U CN 204145233 U CN204145233 U CN 204145233U
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Abstract
The utility model discloses a kind of hot dynamic balancing auxiliary body of rotor, the brushgear comprising slip ring and match with slip ring, hot dynamic balancing auxiliary body also comprises portable slip-ring seat and frequency converter; Portable slip-ring seat is arranged on dynamic balancing machine test platform and it can to slidably reciprocate or fixing along the length direction of dynamic balancing machine test platform, brushgear is arranged on the inside of portable slip-ring seat, on rotating shaft one end that slip ring sleeve is contained in rotor and motor rotor shaft one end that cover installs slip ring stretch into the inside of portable slip-ring seat and brushgear supporting to installing, the outlet cable of rotor is connected with slip ring, and frequency converter is connected with brushgear by external cable line.The utility model the actual working state of simulated machine rotor can carry out hot dynamic balancing measurement to make measurement result more accurate to rotor, can make again can conveniently rotor Installation and adjustment be put in place in measurement preparation, time saving and energy saving, improve operating efficiency.
Description
Technical field
The utility model relates to a kind of relevant device rotor being carried out to hot dynamic balancing measurement, particularly relates to a kind of hot dynamic balancing auxiliary body of rotor and hot dynamic balance testing device, belongs to the hot dynamic balancing measurement technical field of rotor.
Background technology
Rotor dynamic balancing measures the common method that rotor amount of unbalance carrying out corrects.Traditional correcting motor rotor dynamic balancing carries out under rotor cold conditions, rotating shaft is not set with slip ring, and slip ring is due to the restriction of production technology, certain unbalancing value can be brought to whole rotor, be connected with three-phase symmetrical electric current in three-phase windings during motor actual motion simultaneously, rotor structure is in hot, the structural member thermal deformation such as copper cash and iron-core lamination now caused due to winding temperature rise causes the unbalancing value corrected when rotor unbalancing value and cold conditions to produce certain deviation, shaft strength inequality can be strengthened, cause motor oscillating to increase and accelerate bearing wear, therefore, the actual state deviation of traditional dynamic balancing measurement result out and rotor is larger, measurement result is not very accurate.
Application publication number is CN 103822756 A, Shen Qing Publication day is the Chinese invention patent on May 28th, 2014 low speed rotation electrical heating process when disclosing rotor of steam turbo generator dynamic balance test, it is characterized in that: when 1) rotor of steam turbo generator carries out dynamic balance test in manufactory, adopt low speed rotation electrical heating process, to complete the test of rotor heat aging; 2), during the electric heating of rotor of steam turbo generator low speed rotation, test brush holder is adopted to provide heating exciting current to collector rings of rotors; 3) during the electric heating of rotor of steam turbo generator low speed rotation, rotor rotates with turning engine rotating speed: 4) during the electric heating of rotor of steam turbo generator low speed rotation, and rotor rotates with dragging motor minimum speed; 5), during the electric heating of rotor of steam turbo generator low speed rotation, ambient temperature between monitoring dynamic balance test, comprises air themperature and test platform temperature; 6) during the electric heating of rotor of steam turbo generator low speed rotation, by venting practice regulation and control air themperature in dynamic balance test; 7), during the electric heating of rotor of steam turbo generator low speed rotation, inner platform temperature between dynamic balance test is controlled by the rotating speed size adjusting rotor of steam turbo generator; 8), during the electric heating of rotor of steam turbo generator low speed rotation, temperature of rotor ramp-up rate is controlled by adjustment exciting current size; 9), after rotor of steam turbo generator electric heating reaches requirement, cut off heating exciting current, Quick high rotor rotary speed, until rated speed, carries out heat aging test.
Test brush holder in dynamic balance test equipment in above-mentioned patent documentation is fixed on test platform, because rotor is inherently very heavy, when rotor to be installed on dynamic balancing machine and collector rings of rotors on it just will bother during Installation and adjustment relative position supporting with test brush holder very much, waste time and energy, had a strong impact on operating efficiency.
To sum up, how to design a kind of relevant device rotor being carried out to hot dynamic balancing measurement, make it actual working state of simulated machine rotor can carry out hot dynamic balancing measurement to make measurement result more accurate to rotor, can make again measuring in preparation that conveniently to be put in place by rotor Installation and adjustment is the technical problem being badly in need of solving.
Utility model content
Technical problem to be solved in the utility model is the defect for existing in prior art, a kind of hot dynamic balancing auxiliary body of rotor and hot dynamic balance measuring device are provided, it actual working state of simulated machine rotor can carry out hot dynamic balancing measurement to make measurement result more accurate to rotor, can make again can conveniently rotor Installation and adjustment be put in place in measurement preparation, time saving and energy saving, improve operating efficiency.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of hot dynamic balancing auxiliary body of rotor, the brushgear comprising slip ring and match with described slip ring, described hot dynamic balancing auxiliary body also comprises portable slip-ring seat and frequency converter; Described portable slip-ring seat is arranged on dynamic balancing machine test platform and it can to slidably reciprocate or fixing along the length direction of described dynamic balancing machine test platform, described brushgear is arranged on the inside of described portable slip-ring seat, on rotating shaft one end that described slip ring sleeve is contained in rotor and motor rotor shaft one end that described cover installs slip ring stretch into the inside of described portable slip-ring seat and described brushgear supporting to installing, the outlet cable of described rotor is connected with slip ring, and described frequency converter is connected with described brushgear by external cable line.
Preferably, described portable slip-ring seat comprises slip-ring seat casing and is arranged on the bedplate of described slip-ring seat bottom half; Described brushgear is arranged on described slip-ring seat box house, the bottom surface of described bedplate is provided with groove, along described dynamic balancing machine test platform length direction and on described dynamic balancing machine test platform, be provided with the guide block with described groove match, being matched with guide block by described groove makes described portable slip-ring seat be slidably connected on described dynamic balancing machine test platform; Described dynamic balancing machine test platform also having waist typed through hole, through coordinating with clamp nut after the waist typed through hole on described bedplate and dynamic balancing machine test platform, described portable slip-ring seat being fixed on described dynamic balancing machine test platform by fastening bolt.
Preferably, described slip-ring seat casing is dismantled and assembled structure, and it comprises slip-ring seat box-like body and dismountable end casing be arranged on described slip-ring seat box-like body one end; Described end casing has shaft hole, and described brushgear is connected with end casing and it is positioned at the inside of described slip-ring seat box-like body; The sidepiece of described slip-ring seat box-like body also has cable aperture, and described brushgear and frequency converter couple together through cable aperture by described external cable.
Preferably, the sidepiece of described slip-ring seat box-like body is positioned at described brushgear place and has inspection hole.
The utility model also discloses a kind of hot dynamic balance measuring device, comprises the dynamic balancing machine be arranged on dynamic balancing machine test platform, and described hot dynamic balance measuring device also comprises hot dynamic balancing auxiliary body as above.
The beneficial effects of the utility model are: pass through structural design, can effective simulated machine actual motion time thermal steady state, eliminate the amount of unbalance owing to have ignored slip ring generation and have ignored the motor rotor part when cold conditions dynamic balancing and cause motor oscillating because of thermal deformation thus accelerate the impact that the problems such as bearing wear bring measurement result, the utility model is made to determine unbalancing value more accurately and to correct, simultaneously, by the design of portable slip-ring seat, make conveniently rotor is in place in measurement preparation, time saving and energy saving, improve operating efficiency, portable slip-ring seat is also convenient to the matching status making slip ring and brush reach best by adjusting its position, slip-ring seat cabinet design is dismantled and assembled structure, is convenient to the maintenance to slip-ring seat box house and cleaning.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the utility model embodiment;
Fig. 2 is the sectional perspective structural representation one at the portable slip-ring seat place in the utility model embodiment;
Fig. 3 is the sectional perspective structural representation two at the portable slip-ring seat place in the utility model embodiment;
In figure: 1. slip ring, 2. brushgear, 21. studdles, 22. bracing frames, 23. brush holders, 24. brushes, 3. portable slip-ring seat, 31. slip-ring seat casings, 311. slip-ring seat box-like body, 312. end casing, 32. bedplates, 33. grooves, 4. frequency converter, 5. dynamic balancing machine test platform, 51. guide blocks, 52. waist typed through hole, 6. rotating shaft, 7. outlet cable, 8. external cable line, 9. dynamic balancing machine, 10. fastening bolt, 11. clamp nuts, 12. shaft holes, 13. cable aperture, 14. screwed holes, 15. bolts, 16. nuts, 17. inspection holes.
Embodiment
Below in conjunction with the drawings and specific embodiments, elaboration detailed is further done to the technical solution of the utility model.
Embodiment: as shown in Figure 1, a kind of hot dynamic balancing auxiliary body of rotor, the brushgear 2 comprising slip ring 1 and match with described slip ring 1, described hot dynamic balancing auxiliary body also comprises portable slip-ring seat 3 and frequency converter 4, described portable slip-ring seat 3 is arranged on dynamic balancing machine test platform 5 and it can to slidably reciprocate or fixing along the length direction of described dynamic balancing machine test platform 5, described brushgear 2 is arranged on the inside of described portable slip-ring seat 3, on rotating shaft 6 one end that described slip ring 1 is sleeved on rotor and motor rotor shaft 6 one end that described cover installs slip ring 1 stretch into the inside of described portable slip-ring seat 3 and described brushgear 2 supporting to installing, the outlet cable 7 of described motor rotor shaft 6 is connected with slip ring 1, described frequency converter 4 is connected with described brushgear 2 by external cable line 8.Dynamic balancing machine 9 adopts centrifugal balancing machine, and it is arranged on described dynamic balancing machine test platform 5, and portable slip-ring seat 3 to be slidably connected on dynamic balancing machine test platform 5 and to be positioned at the side of dynamic balancing machine 9.The present embodiment is applicable to wound rotor electric rotating machine, during measurement, first by one end of motor rotor shaft 6 suit slip ring 1, rotor outgoing line cable 7 is drawn from machine shaft wire hole and is connected to slip ring 1, then described portable slip-ring seat 3 is moved out along dynamic balancing machine test platform 5, rotor is installed to dynamic balancing machine 9 together with slip ring 1 handling, again portable slip-ring seat 3 is moved along dynamic balancing machine test platform 5, make to overlap motor rotor shaft 6 one end installing slip ring 1 and stretch into the inside of described portable slip-ring seat 3 and supporting to installing with described brushgear 2, now more portable slip-ring seat 3 is fixed, finally the external cable line 8 of being drawn by brush is connected to frequency converter 4, after installing, start dynamic balancing machine 9, drive motor rotor rotates, then symmetrical three-phase alternating current is passed into by frequency converter 4 to rotor three-phase windings, rotor is heated up, make it to reach the thermal steady state close to rotor during motor actual motion, when rotor is close to thermal steady state, start measurement rotor being carried out to rotor unbalancing value.Whole rotor dynamic balance test process is the operating state of simulated machine rotor actual band slip ring, and carry out under making motor temperature maintain thermal steady state.Technique scheme is adopted to measure rotor unbalancing value, can effectively simulated machine actual motion time thermal steady state, be beneficial to and determine unbalancing value more accurately and correct, avoid the motor oscillating because rotor part causes because of thermomechanical, produce noise and accelerate the problems such as bearing wear, effectively can extend motor bearings useful life, in addition, because slip-ring seat is moveable, so when rotor is installed on dynamic balancing machine, first can remove slip-ring seat, rotor is installed to after on dynamic balancing machine, again slip-ring seat is moved, realize the supporting assembling of slip ring and the brush be sleeved on motor rotor shaft, thus convenient and swift rotor to be in place, time saving and energy saving, improve operating efficiency, because slip-ring seat is moveable, when the slip ring be sleeved on motor rotor shaft and brush supporting is assembled, by the adjustment of portable slip-ring seat position, make the matching status that slip ring and brush reach best.
As shown in Figure 1 to Figure 3, described portable slip-ring seat 3 comprises slip-ring seat casing 31 and the bedplate 32 be welded on bottom described slip-ring seat casing 31; It is inner that described brushgear 2 is arranged on described slip-ring seat casing 31, the bottom surface of described bedplate 32 is provided with groove 33, along described dynamic balancing machine test platform 5 length direction and on described dynamic balancing machine test platform 5, be provided with the guide block 51 matched with described groove 33, being matched with guide block 51 by described groove 33 makes described portable slip-ring seat 3 be slidably connected on described dynamic balancing machine test platform 5; The longitudinal section of described dynamic balancing machine test platform 5 is T-shaped, described dynamic balancing machine test platform 5 also having waist typed through hole 52, through coordinating with clamp nut 11 after the waist typed through hole 52 on described bedplate 32 and dynamic balancing machine test platform, described portable slip-ring seat 3 being fixed on described dynamic balancing machine test platform 5 by fastening bolt 10.Described groove 33 is arranged with to guide block 51 along the length direction of dynamic balancing machine test platform 5, it is all set to two, waist typed through hole 52 is also arrange along the length direction of dynamic balancing machine test platform 5, be provided with two, it is positioned at the position, outside portion of two guide blocks 51, and fastening bolt 10 and clamp nut 11 are provided with four.Before mobile slip-ring seat, first clamp nut 11 is unclamped, then move slip-ring seat, after slip-ring seat moves to correct position along guide block, then clamp nut 12 is locked, thus portable slip-ring seat 3 is fixed on described dynamic balancing machine test platform 5.
Described slip-ring seat casing 31 is dismantled and assembled structure, and its longitudinal section is trapezoidal, and it comprises slip-ring seat box-like body 311 and dismountable end casing 312 be arranged on described slip-ring seat box-like body 311 one end; Described end casing 312 has shaft hole 12, and described brushgear 2 is connected with end casing 312 and it is positioned at the inside of described slip-ring seat box-like body 311; The sidepiece of described slip-ring seat box-like body 311 also has cable aperture 13, and described brushgear 2 couples together with frequency converter 4 through cable aperture 13 by described external cable 8.The end of slip-ring seat box-like body 311 has screwed hole 14, is screwed in screwed hole 14 by bolt 15 through end casing 312, is connected to dismountable for end casing 312 on described slip-ring seat box-like body 311 one end.Slip-ring seat casing 31 is set to dismantled and assembled structure, be convenient to the maintenance to slip-ring seat box house and cleaning, when needs keep in repair slip-ring seat box house and clear up, as long as bolt 15 is unclamped, end casing 312 is lifted down just passable, when keeping in repair and cleaning out, as long as again end casing 312 is connected by bolt 15.
Described brushgear 2 comprises with the bracing frame 22 of studdle 21, the brush 24 that is arranged on the brush holder 23 on support frame as described above 22 and is arranged on described brush holder 23; One end of described studdle 21 coordinates with nut 16 through the end casing 312 of described slip-ring seat casing, is connected by described brushgear 2 with end casing 312.After installing, brush 24 and slip ring 1 Elastic Contact on motor rotor shaft, bracing frame 22 is provided with three wiring points, one end of three external cables 8 is connected with above-mentioned three wiring points respectively, its other one end all through after the cable aperture 13 on slip-ring seat box-like body sidepiece and frequency converter 4 couple together, pass into symmetrical three-phase alternating current by frequency converter 4 to rotor three-phase windings.In the present embodiment, be also demountable between brushgear 2 and end casing 312, be convenient to the maintain and replace of brushgear 2 like this.
Studdle 21 is welded on bracing frame 22, described studdle 21 is provided with three, it is connected with described end casing 312 and is positioned at the peripheral position of the shaft hole 12 on end casing, three angle point arrangements that three studdles 21 are triangular in shape, is convenient to the supporting assembling of brush 24 and slip ring 1 like this.
The sidepiece of described slip-ring seat box-like body 311 is positioned at described brushgear 2 place and has inspection hole 17, inspection hole can be opened on the side of described slip-ring seat box-like body 311, also inspection hole 17 can all be offered on the both sides of described slip-ring seat box-like body 311, in the present embodiment, the both sides of described slip-ring seat box-like body 311 all offer inspection hole 17, brush (brush holder) and the centering of slip ring relevant position and adjustment when can realize like this installing.
The utility model also discloses a kind of hot dynamic balance measuring device, comprises the dynamic balancing machine be arranged on dynamic balancing machine test platform, and described hot dynamic balance measuring device also comprises hot dynamic balancing auxiliary body as above.
In sum, the utility model passes through structural design, can effective simulated machine actual motion time thermal steady state, eliminate the amount of unbalance owing to have ignored slip ring generation and have ignored the motor rotor part when cold conditions dynamic balancing and cause motor oscillating because of thermal deformation thus accelerate the impact that the problems such as bearing wear bring measurement result, the utility model is made to determine unbalancing value more accurately and to correct, simultaneously, by the design of portable slip-ring seat, make conveniently rotor is in place in measurement preparation, time saving and energy saving, improve operating efficiency, portable slip-ring seat is also convenient to the matching status making slip ring and brush reach best by adjusting its position, slip-ring seat cabinet design is dismantled and assembled structure, is convenient to the maintenance to slip-ring seat box house and cleaning.
Above embodiment is only for illustration of the utility model, but not limitation ot it.The relevant technologies personnel of related fields, when not departing from spirit and scope of the present utility model, can also make a variety of changes or convert.Therefore, all equivalent technical schemes also should belong to protection range of the present utility model.Protection range of the present utility model should be limited by each claim.
Claims (5)
1. a hot dynamic balancing auxiliary body for rotor, the brushgear comprising slip ring and match with described slip ring, is characterized in that: described hot dynamic balancing auxiliary body also comprises portable slip-ring seat and frequency converter; Described portable slip-ring seat is arranged on dynamic balancing machine test platform and it can to slidably reciprocate or fixing along the length direction of described dynamic balancing machine test platform, described brushgear is arranged on the inside of described portable slip-ring seat, on rotating shaft one end that described slip ring sleeve is contained in rotor and motor rotor shaft one end that described cover installs slip ring stretch into the inside of described portable slip-ring seat and described brushgear supporting to installing, the outlet cable of described rotor is connected with slip ring, and described frequency converter is connected with described brushgear by external cable line.
2. hot dynamic balancing auxiliary body according to claim 1, is characterized in that: described portable slip-ring seat comprises slip-ring seat casing and is arranged on the bedplate of described slip-ring seat bottom half; Described brushgear is arranged on described slip-ring seat box house, the bottom surface of described bedplate is provided with groove, along described dynamic balancing machine test platform length direction and on described dynamic balancing machine test platform, be provided with the guide block with described groove match, being matched with guide block by described groove makes described portable slip-ring seat be slidably connected on described dynamic balancing machine test platform; Described dynamic balancing machine test platform also having waist typed through hole, through coordinating with clamp nut after the waist typed through hole on described bedplate and dynamic balancing machine test platform, described portable slip-ring seat being fixed on described dynamic balancing machine test platform by fastening bolt.
3. hot dynamic balancing auxiliary body according to claim 2, is characterized in that: described slip-ring seat casing is dismantled and assembled structure, and it comprises slip-ring seat box-like body and dismountable end casing be arranged on described slip-ring seat box-like body one end; Described end casing has shaft hole, and described brushgear is connected with end casing and it is positioned at the inside of described slip-ring seat box-like body; The sidepiece of described slip-ring seat box-like body also has cable aperture, and described brushgear and frequency converter couple together through cable aperture by described external cable.
4. hot dynamic balancing auxiliary body according to claim 3, is characterized in that: be positioned at described brushgear place and have inspection hole on the sidepiece of described slip-ring seat box-like body.
5. a hot dynamic balance measuring device, comprise the dynamic balancing machine be arranged on dynamic balancing machine test platform, it is characterized in that: described hot dynamic balance measuring device also comprises according to the hot dynamic balancing auxiliary body in Claims 1-4 described in any one claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420671595.9U CN204145233U (en) | 2014-11-12 | 2014-11-12 | The hot dynamic balancing auxiliary body of rotor and hot dynamic balance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420671595.9U CN204145233U (en) | 2014-11-12 | 2014-11-12 | The hot dynamic balancing auxiliary body of rotor and hot dynamic balance measuring device |
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| Publication Number | Publication Date |
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| CN204145233U true CN204145233U (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420671595.9U Active CN204145233U (en) | 2014-11-12 | 2014-11-12 | The hot dynamic balancing auxiliary body of rotor and hot dynamic balance measuring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478919A (en) * | 2016-07-07 | 2017-12-15 | 宝沃汽车（中国）有限公司 | The test device of vehicle power drive system |
| CN108917790A (en) * | 2018-06-26 | 2018-11-30 | 中国船舶重工集团公司第七0七研究所 | A kind of hot dynamic poise device of inertia type instrument motor and method |
-
2014
- 2014-11-12 CN CN201420671595.9U patent/CN204145233U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478919A (en) * | 2016-07-07 | 2017-12-15 | 宝沃汽车（中国）有限公司 | The test device of vehicle power drive system |
| CN108917790A (en) * | 2018-06-26 | 2018-11-30 | 中国船舶重工集团公司第七0七研究所 | A kind of hot dynamic poise device of inertia type instrument motor and method |
| CN108917790B (en) * | 2018-06-26 | 2022-06-10 | 中国船舶重工集团公司第七0七研究所 | Inertia instrument motor thermal state dynamic balancing device and method |
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