CN208820557U - A kind of balance control structure of motor rotor end ring - Google Patents

Abstract

The utility model discloses a kind of balance control structure of motor rotor end ring, conductive bar connection ring plate is divided into teeth portion and yoke portion；The surface of teeth portion is provided with the crowning with the cooperation of the gear ring of iron core end face；It is the centre bore of package packing rotating shaft on the axis in yoke portion；Multiple jacks are provided in yoke portion and along centre bore gyratory directions；The interior snap ring is equipped with the butt hole of corresponding jack；It is linked between the jack and butt hole by connector；The both ends of the connector are respectively equipped with jack or trigger with what butt hole cooperated；The lateral surface triggered is slope；It is described to trigger with partial deformation ability；It is inserted into jack or butt hole after triggering deformation, triggers and is locked in jack or butt hole after restoring deformation；Spring is also arranged on the connector；The both ends of the spring directly act on interior snap ring and connect ring plate with conductive bar.

Description

A kind of balance control structure of motor rotor end ring

Technical field

The utility model relates to technical field of motors, more particularly to a kind of balance control structure of motor rotor end ring.

Background technique

Motor generally includes the rotor being mounted in stator inner shaft.Rotor divides iron core and copper conducting element, copper conductive element Part is known as copper conductive bar, places along its periphery.Copper conductive bar can be parallel with axis, can also tilt relative to axis.In rotor Every one end, copper end ring may be coupled to the respective end of copper conductive bar.Copper conductive bar and copper end ring are by special conductive materials system At, such as high-purity red copper.Since rotor can be rotated when running well, so must assure that rotor before using motor Relative equilibrium.Rotor in high-speed rotation process, can bring high load capacity to rotor part.For example, under 20000 turns of revolving speed Copper end ring can be made to reach 13,000 Ns of load, it is same because product end ring material is high-purity red copper, in high-speed rotation In can permit the pressure bearing centrifugation offsets of maximum 200 megapascal.

The size of assembly parts will affect the balance of rotor.For example, end ring material (for example, copper) can be due to the load of rotation And it expands outwardly.That is, due to violent rotation, the outer diameter of end ring be will increase, so that when size of end ring when assembly Greatly.In this case, copper end ring is carrying out centrifugation high speed rotation offset, keeps it no longer concentric with armature spindle, leads to rotor Become uneven, the meeting of shake is very serious.Normal practice is to be offset by selectively removing a small amount of substance from end ring respectively The imbalance in kind source.After adjustment, rotor high speed rotation again, to determine whether adjustment is enough.However, when rotation speed is got over Fastly, this additional rotary course may be introduced back into some imbalances, and end ring radial deformation problem as discussed above needs It improves.

Utility model content

The utility model is reduced mainly solving the technical problems that provide a kind of balance control structure of motor rotor end ring Relative motion between interior snap ring and copper end ring enhances the controlling extent in gap.

In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of rotor end The balance control structure of ring, comprising: shaft, copper end ring, outer garter spring and interior snap ring are set in shaft cored, and interior snap ring is arranged At the both ends of shaft upper core, the setting of copper end is axially external in interior snap ring, is provided with and is extended in copper end ring inner hole on interior snap ring Bushing, copper end ring includes conductive bar connection ring plate and stop collar, and conductive bar connection ring plate coaxial sleeve is located at the axis of stop collar Outward, outer hoop ring set is located at the outside of copper end ring；Conductive bar connection ring plate is divided into teeth portion and yoke portion；It is arranged on the surface of teeth portion There is the crowning with the cooperation of the gear ring of iron core end face；It is the centre bore of package packing rotating shaft on the axis in yoke portion；In yoke portion and along Centre bore gyratory directions are provided with multiple jacks；The interior snap ring is equipped with the butt hole of corresponding jack；The jack with dock It is linked between hole by connector；The both ends of the connector are respectively equipped with jack or trigger with what butt hole cooperated；Institute Stating the lateral surface triggered is slope；It is described to trigger with partial deformation ability；It is inserted into jack or butt hole after triggering deformation, is hooked It rises and is locked in jack or butt hole after restoring deformation；Spring is also arranged on the connector；The both ends of the spring are direct It acts on interior snap ring and connect ring plate with conductive bar.

In one preferred embodiment of the utility model, the connector is polythene material preparation；On the stop collar Equipped with for cooperating the groove triggered；Wear-resisting antiskid gasket is additionally provided in the groove.

In one preferred embodiment of the utility model, the bushing outer is provided with the first male cone (strobilus masculinus), the copper end ring Inside it is provided with the first inner conical surface corresponding with the first male cone (strobilus masculinus)；The second male cone (strobilus masculinus), the outer hoop are provided with outside the stop collar The second inner conical surface corresponding with the second male cone (strobilus masculinus) is provided in ring.

In one preferred embodiment of the utility model, copper conductive bar is axially provided in the iron core, the copper is conductive Item is connected between two copper end ring, is provided with jack corresponding with copper conductive bar in the conductive bar connection ring plate.

In one preferred embodiment of the utility model, the end of the copper conductive bar extends in outer garter spring and is provided with Stepped recesses corresponding with outer garter spring.

The beneficial effects of the utility model are: it has the advantages that:

1, structure concatenation ability is increased, fit system primary is improved, solves activity model in structure intermediate gap primary Unstable problem is enclosed, the concatenation ability of interior snap ring is increased, the stabilization of structure interval, and clamping side are ensured by flexibly supporting Radial restraining ability is also ensured in formula.

2, internal support is carried out to copper end ring using interior snap ring, recycles outer garter spring to carry out the limit outside copper end ring, adds Strong structure stability reduces the radial deformation problem of copper end ring, then applies pretightning force to copper end ring to when rotating, and reduces copper end ring Radial deformation problem when high speed rotation, prolongs the service life.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings, in which:

Fig. 1 is a kind of structural representation of one preferred embodiment of balance control structure of motor rotor end ring of the utility model Figure；

Fig. 2 is the explosive view of Fig. 1；

Fig. 3 is the structural schematic diagram of copper end ring in Fig. 2, outer garter spring and interior snap ring.

Fig. 4 is the cross-sectional view that connector is coupled place；

It is respectively marked in figure as follows: 101, outer garter spring；102, copper end ring；103, interior snap ring；104, iron core；105, shaft； 106, copper conductive bar；107, the first male cone (strobilus masculinus)；108, the first inner conical surface；109, stop collar；110, conductive bar connects ring plate；111, Second male cone (strobilus masculinus)；112, the second inner conical surface；113, bushing；114, jack；115, butt hole；116, connector；117, it triggers； 118, spring；119, wear-resisting antiskid gasket.

Specific embodiment

Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

Fig. 1 ~ Fig. 3 is please referred to, the utility model embodiment includes:

A kind of balance control structure of motor rotor end ring, comprising: shaft 105, copper end ring 102, outer garter spring 101 and Nei Ka Cored 104 are arranged in the shaft 105 for ring 103, and described two interior intervals of snap rings 103 are set in shaft 105 and are located at iron Inner hole and shaft 105 interference fit at 104 both ends of core, the interior snap ring 103 are fixed, stable structure.

The setting of copper end ring 102 is axially external in interior snap ring 103, and copper conductive bar 106 is axially provided in iron core 104, described Copper conductive bar 106 is connected between two copper end ring 102, is provided with and copper conductive bar 106 in the conductive bar connection ring plate 110 Corresponding jack, it is convenient that grafting is carried out to copper conductive bar 106, and be welded and fixed, realize that the drawing of copper end ring 102 is solid.

The bushing 113 extended in 102 inner hole of copper end ring is provided in interior 103 central axis hole of snap ring, the copper end ring 102 wraps Conductive bar connection ring plate 110 and stop collar 109 are included, the conductive bar connection ring plate 110 is arranged concentrically on the axis of stop collar 109 Outward, integrated red copper structure, conductive effect is good, pre-equilibrates addition or removal material on Shi Tong end ring 102 and turns to balance Son.

Conductive bar connection ring plate 110 is divided for teeth portion and yoke portion, and the surface of teeth portion is provided with the gear ring with 104 end face of iron core The crowning of cooperation.It is the centre bore of package packing rotating shaft 105 on the axis in yoke portion；It is set in yoke portion and along centre bore gyratory directions It is equipped with multiple jacks 114.Interior snap ring 103 is equipped with the butt hole 115 of corresponding jack, passes through between jack 114 and butt hole 115 Connector 116 links.The both ends of connector 116 are respectively equipped with jack 114 or trigger 117 with what butt hole 115 cooperated, hook The lateral surface for playing 117 is slope.As shown, triggering is in that folding is hook-shaped, conveniently triggers entirety and snap onto butt hole and jack In.Connector 116 is polythene material preparation, and triggering 117 has partial deformation ability, is caught in jack 114 or right triggering 117 When connecing in hole 115, it is easily installed.It is inserted into jack 114 or butt hole 115 after triggering 117 deformation, triggers locking after restoring deformation In jack or butt hole.In stratiform docking structure, the gap between structure can generate during exercise trembles, but stratiform connects It connects and too closely will affect structure heat dissipation, therefore, spring 118 is also arranged on connector.The both ends of spring 118 directly act on Interior snap ring 103 connect ring plate 110 with conductive bar, and resilient support both can satisfy connection request, can also ensure gap stability. Stop collar is equipped with for cooperating the groove triggered, and wear-resisting antiskid gasket 119 is additionally provided in groove.

It is provided with the first male cone (strobilus masculinus) 107 outside the bushing 113, is provided in the copper end ring 102 and the first male cone (strobilus masculinus) 107 corresponding first inner conical surfaces 108, the cooperation of the first male cone (strobilus masculinus) 107 and the first inner conical surface 108 are strengthened in copper end ring 102 The support in hole.

The outer garter spring 101 is set in the outside of copper end ring 102.The second male cone (strobilus masculinus) is provided with outside the stop collar 109 111, second inner conical surface 112 corresponding with the second male cone (strobilus masculinus) 111, the second male cone (strobilus masculinus) 111 and are provided in the outer garter spring 101 The cooperation of two inner conical surfaces 112 allows outer garter spring 101 to reduce diameter when high speed rotation to the application pretightning force of copper end ring 102 To problem on deformation.

The outer garter spring 101 is steel loop, and the interior snap ring 103 and bushing 113 are integrated steel construction, sound construction, by force Degree is high, is not easy to deform when rotating at high speed, reinforces the constraint to copper end ring 102.The end of the copper conductive bar 106 extends to outer In garter spring 101 and stepped recesses corresponding with outer garter spring 101 are provided with, radial direction is carried out to copper conductive bar 106 using outer garter spring 101 Limit reduces shaking and problem on deformation.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases The technical field of pass, is also included in the patent protection scope of the utility model.

Claims (5)

1. a kind of balance control structure of motor rotor end ring, comprising: shaft, copper end ring, outer garter spring and interior snap ring cover in shaft Equipped with iron core, interior snap ring is set in the both ends of shaft upper core, and the setting of copper end is axially external in interior snap ring, is provided on interior snap ring The bushing in copper end ring inner hole is extended to, copper end ring includes conductive bar connection ring plate and stop collar, and it is same that conductive bar connects ring plate Axle sleeve is located at the axially external of stop collar, and outer hoop ring set is located at the outside of copper end ring；It is characterized by: the conductive bar connection ring Piece is divided into teeth portion and yoke portion；The surface of teeth portion is provided with the crowning with the cooperation of the gear ring of iron core end face；Axis in yoke portion The upper centre bore for package packing rotating shaft；Multiple jacks are provided in yoke portion and along centre bore gyratory directions；It is set on the interior snap ring There is the butt hole of corresponding jack；It is linked between the jack and butt hole by connector；Distinguish at the both ends of the connector Equipped with jack or with butt hole cooperation trigger；The lateral surface triggered is slope；It is described to trigger with partial deformation Ability；It is inserted into jack or butt hole after triggering deformation, triggers and is locked in jack or butt hole after restoring deformation；The connector On be also arranged with spring；The both ends of the spring directly act on interior snap ring and connect ring plate with conductive bar.

2. the balance control structure of motor rotor end ring according to claim 1, it is characterised in that: the connector is poly- Vinyl material preparation；The stop collar is equipped with for cooperating the groove triggered；Wear-resisting antiskid is additionally provided in the groove Gasket.

3. the balance control structure of motor rotor end ring according to claim 1, it is characterised in that: the bushing outer is set It is equipped with the first male cone (strobilus masculinus), the first inner conical surface corresponding with the first male cone (strobilus masculinus) is provided in the copper end ring；Outside the stop collar It is provided with the second male cone (strobilus masculinus), the second inner conical surface corresponding with the second male cone (strobilus masculinus) is provided in the outer garter spring.

4. the balance control structure of motor rotor end ring according to claim 1, it is characterised in that: axial in the iron core Be provided with copper conductive bar, the copper conductive bar is connected between two copper end ring, be provided in conductive bar connection ring plate with The corresponding jack of copper conductive bar.

5. the balance control structure of motor rotor end ring according to claim 4, it is characterised in that: the copper conductive bar End extends in outer garter spring and is provided with stepped recesses corresponding with outer garter spring.