CN204304743U - Big-and-middle-sized synchronous motor damping ring syndeton - Google Patents
Big-and-middle-sized synchronous motor damping ring syndeton Download PDFInfo
- Publication number
- CN204304743U CN204304743U CN201420813645.2U CN201420813645U CN204304743U CN 204304743 U CN204304743 U CN 204304743U CN 201420813645 U CN201420813645 U CN 201420813645U CN 204304743 U CN204304743 U CN 204304743U
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- bolt
- arc
- termination
- copper strips
- turnbuckle
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Abstract
The utility model relates to a kind of big-and-middle-sized synchronous motor damping ring syndeton, at the joint portion arranged outside arc copper coin that arc strip connects between two, inner side arranges stacked copper strips, and adopt bolt arc copper coin and stacked copper strips and arc strip termination to be linked together, and, between arc copper coin and stacked copper strips, the junction of arc strip termination arranges adjustable radial turnbuckle, described adjustable radial turnbuckle is through arc copper coin, the space spinning that stacked copper strips and between two opposing arcuate bar termination are formed is radial at rotor core, the nut of adjustable radial turnbuckle is strip and embeds in the breach of stacked copper strips upper end, the radial direction of described arc copper coin and stacked copper strips is provided with semi arch.Advantageous Effects of the present utility model does not need to make steel loop, effectively can ensure that each arc strip termination can not produce distortion, and can adjust the tension force of connector, and structure is simple, and cost is lower.
Description
Technical field
The utility model relates to big-and-middle-sized synchronous motor damping ring interconnection technique, is related specifically to a kind of big-and-middle-sized synchronous motor damping ring syndeton.
Background technology
For easily manufactured, big-and-middle-sized synchronous electric motor rotor damping ring adopts multistage arcuate structure usually, and namely damping ring is multistage arc strip during fabrication, is linked together by each section of arc strip after installing again, to form a complete annulus.For ensureing the electric conductivity that damping ring is good, each section of arc strip all adopts copper coin to prepare.Due to the intensity of copper coin and rigidity lower, the centrifugal force produced in rotor turns process after adopting common mode to connect will make the termination of each arc strip produce distortion, the serious friction that also can cause rotor and stator.Prior art big-and-middle-sized synchronous electric motor rotor damping ring connecting structure adopts and installs a steel loop additional in the outside of each section of arc strip, and adopt bolt and steel loop to link together the termination of individual arc strip and middle part, to ensure that each section of arc strip is connected to form a full circle, and the termination of each arc strip can not produce distortion in rotation process.But for big-and-middle-sized synchronous motor, the diameter of rotor, usually more than 1.5 meters, therefore, needs that making diameter is more than 1.5 meters, width is about 50mm, thickness is the steel loop of more than 10mm.Obviously, making such a steel loop needs to expend more raw material, and, need various machining apparatus and technique, make more difficult.Further, ensure that its circle ring center and rotor center are coaxial also comparatively difficult when mounted.Obviously, prior art big-and-middle-sized synchronous electric motor rotor damping ring connecting structure also exists to be needed to expend more raw material, need various process equipment and technique, and makes and install the problems such as comparatively difficult.
Summary of the invention
What exist for solution prior art big-and-middle-sized synchronous electric motor rotor damping ring connecting structure needs problems such as expending more raw material, need various process equipment and technique and making comparatively difficult, the utility model proposes a kind of big-and-middle-sized synchronous motor damping ring fixing structure.The utility model big-and-middle-sized synchronous motor damping ring syndeton, at the joint portion arranged outside arc copper coin that arc strip connects between two, inner side arranges stacked copper strips, and adopt bolt arc copper coin and stacked copper strips and arc strip termination to be linked together, and, between arc copper coin and stacked copper strips, the junction of arc strip termination arranges adjustable radial turnbuckle, described adjustable radial turnbuckle is through arc copper coin, the space spinning that stacked copper strips and between two opposing arcuate bar termination are formed is radial at rotor core, the nut of adjustable radial turnbuckle is strip and embeds in the breach of stacked copper strips upper end, the radial direction of described arc copper coin and stacked copper strips is provided with semi arch, and is also provided with the breach holding turnbuckle nut in the upper surface of stacked copper strips.
Further, the adjustable radial turnbuckle of the utility model big-and-middle-sized synchronous motor damping ring syndeton comprises bolt, lower bolt, thru-bolt and lock nut, upper and lower bolt spinning is in thru-bolt, the internal thread of thru-bolt is screw thread that two sections of rotation directions are contrary and middle part radial direction is provided with jack, lock nut spinning, on lower bolt, is provided with strip nut in the end of upper bolt; Or, comprise inverted T-shaped pull bar, be with the bolt and the lock nut that draw frame, described band draws the bolt of frame to refer to, and one end of bolt is connected with the door font groove cuboid of termination, both sides adduction, the major part of inverted T-shaped pull bar can to insert in the door font groove of termination, both sides adduction and just to be blocked by the termination of adduction, lock nut spinning is drawn on the bolt of frame at band, and the microcephaly of T-shaped pull bar is fixedly connected with arc copper coin.
The Advantageous Effects of the utility model big-and-middle-sized synchronous motor damping ring syndeton does not need to make steel loop, effectively can ensure that each arc strip termination can not produce distortion, and can adjust the tension force of connector, and structure is simple, and cost is lower.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation before big-and-middle-sized synchronous electric motor rotor damping ring does not connect;
Accompanying drawing 2 is the schematic diagram of the big-and-middle-sized synchronous electric motor rotor damping ring connecting structure of prior art;
Accompanying drawing 3 is the schematic diagram of the utility model big-and-middle-sized synchronous motor damping ring syndeton;
Accompanying drawing 4 is the schematic diagram of a kind of structure of the big-and-middle-sized adjustable radial turnbuckle of the utility model;
Accompanying drawing 5 is the schematic diagram of the another kind of structure of the big-and-middle-sized adjustable radial turnbuckle of the utility model.
Below in conjunction with the drawings and specific embodiments, the utility model big-and-middle-sized synchronous motor damping ring syndeton is further described.
Detailed description of the invention
Accompanying drawing 1 is the structural representation before big-and-middle-sized synchronous electric motor rotor damping ring does not connect, and accompanying drawing 2 is the schematic diagram of the big-and-middle-sized synchronous electric motor rotor damping ring connecting structure of prior art, and in figure, 1 is rotor core, and 2 is laminated iron core, and 3 is arc strip, and 4 is steel loop.As seen from the figure, for easily manufactured, big-and-middle-sized synchronous electric motor rotor damping ring adopts multistage arcuate structure usually, and namely damping ring is multistage arc strip during fabrication, is linked together by each section of arc strip after installing again, to form a complete annulus.For ensureing the electric conductivity that damping ring is good, each section of arc strip all adopts copper coin to prepare.Due to the intensity of copper coin and rigidity lower, the centrifugal force produced in rotor turns process after adopting common mode to connect will make the termination of each arc strip produce distortion, the serious friction that also can cause rotor and stator.Prior art big-and-middle-sized synchronous electric motor rotor damping ring connecting structure adopts and installs a steel loop additional in the outside of each section of arc strip, and adopt bolt and steel loop to link together the termination of individual arc strip and middle part, to ensure that each section of arc strip is connected to form a full circle, and the termination of each arc strip can not produce distortion in rotation process.But for big-and-middle-sized synchronous motor, the diameter of rotor, usually more than 1.5 meters, therefore, needs that making diameter is more than 1.5 meters, width is about 50mm, thickness is the steel loop of more than 10mm.Obviously, making such a steel loop needs to expend more raw material, and, need various machining apparatus and technique, make more difficult.Further, ensure that its circle ring center and rotor center are coaxial also comparatively difficult when mounted.Obviously, prior art big-and-middle-sized synchronous electric motor rotor damping ring connecting structure also exists to be needed to expend more raw material, need various process equipment and technique, and makes and install the problems such as comparatively difficult.
Accompanying drawing 3 is the schematic diagram of the utility model big-and-middle-sized synchronous motor damping ring syndeton, and in figure, 1 is rotor core, and 2 is laminated iron core, and 3 is arc strip, and 5 is arc copper coin, and 6 is stacked copper strips, and 7 is adjustable radial turnbuckle.As seen from the figure, the utility model big-and-middle-sized synchronous motor damping ring syndeton, in the joint portion arranged outside arc copper coin 5 that arc strip 3 connects between two, inner side, stacked copper strips 6 is set, and adopt bolt arc copper coin 5 and stacked copper strips 6 to be linked together with arc strip 3 termination, further, between arc copper coin 5 and stacked copper strips 6, the junction of arc strip 3 termination arranges adjustable radial turnbuckle 7; Described adjustable radial turnbuckle 7 is through arc copper coin 5, stacked copper strips 6 and the space spinning that formed of opposing arcuate bar 3 termination is radial at rotor core 1 between two, and the nut of adjustable radial turnbuckle 7 is strip and embeds in the breach of stacked copper strips 6 upper end; The radial direction of described arc copper coin 5 and stacked copper strips 6 is provided with semi arch, and is also provided with the breach holding turnbuckle nut in the upper surface of stacked copper strips 6.
The utility model big-and-middle-sized synchronous motor damping ring syndeton have employed the structure of two kinds of adjustable radial turnbuckles.
As shown in Figure 4, in figure, 71 is upper bolt to one, and 72 is thru-bolt, and 73 is lower bolt, and 74 is lock nut.As seen from the figure, the first adjustable radial turnbuckle 7 of the utility model, comprise bolt 71, lower bolt 73, thru-bolt 72 and lock nut 74, upper and lower bolt (71,73) spinning is in thru-bolt 72, the internal thread of thru-bolt 72 is screw thread that two sections of rotation directions are contrary and middle part radial direction is provided with jack, and lock nut 74 spinning, on lower bolt 73, is provided with strip nut in the end of upper bolt 71.When specifically connecting, upper bolt being inserted through arc copper coin, stacked copper strips and the space that formed, opposing arcuate bar termination between two, and strip nut being embedded in the groove of arc copper coin and stacked copper strips upper end.By lock nut spinning on lower bolt and by lower bolt spinning in the radial screw of rotor core, then, upper bolt and lower bolt are screwed in from the two ends of thru-bolt respectively, internal thread due to turnbuckle is that two sections of rotation directions are contrary, therefore, rotating thru-bolt can make bolt and lower bolt move in opposite directions, and arc strip termination is tightened up.Lock nut is screwed to rotor core direction, can by lower bolt-locking.
As shown in Figure 5, in figure, 5 is arc copper coin to another kind, and 701 is inverted T-shaped pull bar, and 702 is the bolt that band draws frame, and 703 is lock nut.As seen from the figure, the adjustable radial turnbuckle 7 of the utility model the second, comprise inverted T-shaped pull bar 701, be with the bolt 702 and the lock nut 703 that draw frame, described band draws the bolt 702 of frame to refer to, and one end of bolt is connected with the door font groove cuboid of termination, both sides adduction, the major part of inverted T-shaped pull bar 701 can to insert in the door font groove of termination, both sides adduction and just to be blocked by the termination of adduction, lock nut 703 spinning is drawn on the bolt of frame at band, and the microcephaly of T-shaped pull bar is fixedly connected with arc copper coin 5.When specifically connecting, arc copper coin is fixedly connected with arc strip termination by bolt, the microcephaly of T-shaped pull bar is fixedly connected with arc copper coin, the major part of inverted T-shaped pull bar is inserted band to be drawn in the door font groove of the bolt of frame, drawn by band the bolt of frame to screw in the radial screw bore of rotor core, and spinning is to suitable degrees of tensions.Lock nut is screwed to rotor core direction, band can be drawn the bolt-locking of frame.
These two kinds adjustable radial turnbuckles all can correct in rotor balancing or coordinate with stator in the process that adjust, can adjust the tension force of arc strip connector at any time, avoid, because arc strip connector is outstanding, causing machine of tearing open to reset.
Obviously, the Advantageous Effects of the utility model big-and-middle-sized synchronous motor damping ring syndeton does not need to make steel loop, effectively can ensure that each arc strip termination can not produce distortion, and can adjust the tension force of connector, and structure is simple, and cost is lower.
Claims (2)
1. one kind big-and-middle-sized synchronous motor damping ring syndeton, it is characterized in that, at the joint portion arranged outside arc copper coin that arc strip connects between two, inner side arranges stacked copper strips, and adopt bolt arc copper coin and stacked copper strips and arc strip termination to be linked together, and, between arc copper coin and stacked copper strips, the junction of arc strip termination arranges adjustable radial turnbuckle, described adjustable radial turnbuckle is through arc copper coin, the space spinning that stacked copper strips and between two opposing arcuate bar termination are formed is radial at rotor core, the nut of adjustable radial turnbuckle is strip and embeds in the breach of stacked copper strips upper end, the radial direction of described arc copper coin and stacked copper strips is provided with semi arch, and is also provided with the breach holding turnbuckle nut in the upper surface of stacked copper strips.
2. according to big-and-middle-sized synchronous motor damping ring syndeton described in claim 1, it is characterized in that, adjustable radial turnbuckle comprises bolt, lower bolt, thru-bolt and lock nut, upper and lower bolt spinning is in thru-bolt, the internal thread of thru-bolt is screw thread that two sections of rotation directions are contrary and middle part radial direction is provided with jack, lock nut spinning, on lower bolt, is provided with strip nut in the end of upper bolt; Or, comprise inverted T-shaped pull bar, be with the bolt and the lock nut that draw frame, described band draws the bolt of frame to refer to, and one end of bolt is connected with the door font groove cuboid of termination, both sides adduction, the major part of inverted T-shaped pull bar can to insert in the door font groove of termination, both sides adduction and just to be blocked by the termination of adduction, lock nut spinning is drawn on the bolt of frame at band, and the microcephaly of T-shaped pull bar is fixedly connected with arc copper coin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813645.2U CN204304743U (en) | 2014-12-18 | 2014-12-18 | Big-and-middle-sized synchronous motor damping ring syndeton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813645.2U CN204304743U (en) | 2014-12-18 | 2014-12-18 | Big-and-middle-sized synchronous motor damping ring syndeton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204304743U true CN204304743U (en) | 2015-04-29 |
Family
ID=53110250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420813645.2U Withdrawn - After Issue CN204304743U (en) | 2014-12-18 | 2014-12-18 | Big-and-middle-sized synchronous motor damping ring syndeton |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204304743U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104506003A (en) * | 2014-12-18 | 2015-04-08 | 重庆赛力盟电机有限责任公司 | Large and medium synchronous motor damping ring connecting structure |
| CN105501661A (en) * | 2015-12-20 | 2016-04-20 | 重庆赛力盟电机有限责任公司 | Surface protection device for transferring of rotors |
-
2014
- 2014-12-18 CN CN201420813645.2U patent/CN204304743U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104506003A (en) * | 2014-12-18 | 2015-04-08 | 重庆赛力盟电机有限责任公司 | Large and medium synchronous motor damping ring connecting structure |
| CN105501661A (en) * | 2015-12-20 | 2016-04-20 | 重庆赛力盟电机有限责任公司 | Surface protection device for transferring of rotors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150429 Effective date of abandoning: 20170825 |