High-power two-pole generator hard winding rotor winding tool

Abstract

The utility model discloses a high-power two-pole generator hard winding rotor winding tool which comprises a spline shaft and a rotor punching sheet arranged in the middle of the spline shaft, rotor damping end plates and rotor pressing rings are arranged at the two ends of the rotor punching sheet, and a plurality of wire grooves are formed in the rotor punching sheet in the circumferential direction and used for winding coils. Detachable in-slot positioning strips are matched in the wire slots and are used for positioning and shaping in the slots during coil winding, end part positioning plates are matched at the end parts of the rotor punching sheets, and arc-shaped slots are formed in the bottoms of the end part positioning plates and are used for positioning and shaping the end parts during coil winding; rotor end fixing frames are arranged at the two ends of the spline shaft. According to the utility model, the hard copper wires are guided and shaped during coil winding, so that the hard copper wires cannot have the conditions of different bending angles and irregular shapes after upwarping, the turn-to-turn insulation of the copper conductors is protected, and the coil is further reinforced by arranging the rotor end part fixing frame and the insulation reinforcing plate, so that the winding quality is improved. And the device is prevented from being thrown away due to centrifugal force in the working process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of generator production, especially relates to a high -power 2 -pole generator hard winding rotor winding tool. BACKGROUND

[0002] When developing new product high -power 2 -pole generator (rotational speed 3000 turns / min), there are mainly following two technical difficulties:

[0003] 1, motor rotor outer circle is too big, 2 -pole generator rotates after unit mass produced centrifugal force becomes with generator rotor outer diameter square multiple increase, is 9 times for 6 -pole generator, winding is too big due to centrifugal force, itself material is copper, cannot bear, finally leads to rotor winding end part to throw open, generator stator, rotor burns down;

[0004] 2, motor rotor mass is big, 2 -pole generator rotates after centrifugal force produced with same rotational speed becomes with generator rotor mass geometric multiple increase, is 2-5 times for small -power generator, winding is too big due to centrifugal force, itself material is copper, cannot bear, finally leads to rotor winding end part to throw open, generator stator, rotor burns down. INNOVATION CONTENT

[0005] In order to solve the above technical problems of prior art, the utility model provides a high -power 2 -pole generator hard winding rotor winding tool, convenient to use, simple, guarantees generator quality.

[0006] In order to achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of high -power 2 -pole generator hard winding rotor winding tool, including spline shaft and the rotor lamination being set in the middle part of spline shaft, rotor lamination both ends are provided with rotor damping end plate and rotor pressure ring, there are a plurality of wire slots for winding coil on the rotor lamination along the circumference, the wire slot is matched with the detachable in-slot positioning strip in, for the in-slot positioning shaping when winding coil, the end positioning plate is matched with the end of rotor lamination, and the arc-shaped groove is set in the bottom of end positioning plate, for the end positioning shaping when winding coil;The both ends of spline shaft are provided with rotor end part fixing frame, and there are a plurality of fixed holes on the rotor end part fixing frame along the circumference, and fixed hole penetrates the front and back ends of rotor end part fixing frame, for cooperating with binding material fixed coil.

[0008] Preferably, the wire slot is wrapped with an insulating reinforcing plate along the edge for further strengthening the fixed coil.

[0009] Compared with the prior art, the coil winding of the utility model is guided and shaped to the hard copper wire, so that the hard copper wire will not have different bending angles and irregular shapes after being raised, the copper conductor turn-to-turn insulation is protected, and the coil is further strengthened through the rotor end fixing frame and the insulation reinforcing plate to prevent it from being thrown off due to centrifugal force in the working process. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a three-dimensional structure schematic view of the unwound rotor core of the utility model embodiment;

[0011] Figure 2 It is a three-dimensional structure schematic view of the unwound rotor core of the utility model embodiment;

[0012] Figure 3 It is a three-dimensional structure schematic view of the unwound rotor core of the utility model embodiment;

[0013] Figure 4 It is a three-dimensional structure schematic view of the unwound rotor core of the utility model embodiment;

[0014] Figure 5 It is a three-dimensional structure schematic view of the unwound rotor core of the utility model embodiment;

[0015] Figure 6 It is a three-dimensional structure schematic view of the unwound rotor core of the utility model embodiment;

[0016] In the figure: 1, spline shaft, 2, rotor lamination, 201, wire slot, 3, rotor damping end plate, 4, rotor pressing ring, 5, rotor end fixing frame, 501, fixing hole, 6, in-slot positioning strip, 7, end positioning plate, 701, arc-shaped groove, 8, coil, 9, insulation reinforcing plate. DETAILED DESCRIPTION

[0017] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model.

[0018] The technical solutions in the utility model embodiments will be clearly and completely described below with reference to the drawings in the utility model embodiments, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0019] As Figures 1-6 shown, the utility model embodiment includes spline shaft 1 and rotor lamination 2 of setting in the middle part of spline shaft 1, rotor lamination 2 both ends are provided with rotor damping end plate 3 and rotor pressure ring 4, rotor lamination 2 is provided with several line slots 201 along the circumference, for winding coil 8, line slot 201 is matched with detachable in-slot positioning strip 6, for the in-slot positioning shaping when winding coil 8, rotor lamination 2 end is matched with end positioning plate 7, and the bottom of end positioning plate 7 is provided with arc slot 701, for the end positioning shaping when winding coil 8, the both ends of spline shaft 1 are provided with rotor end fixing frame 5, and the circumferential of rotor end fixing frame 5 is evenly distributed with several fixing holes 501, and fixing hole 501 penetrates the front and back ends of rotor end fixing frame 5, for cooperating with the binding of fixing coil 8.

[0020] When winding coil 8 on rotor lamination 2, first, hard copper wire is wound from the bottom of line slot 201, in-slot positioning strip 6 is inserted into line slot 201 during winding process, and the end of coil 8 is guided and shaped through the arc slot 701 at the bottom of end positioning plate 7, so that the hard copper wire can not have the situation of different bending angles and irregular shape after bending, and the turn-to-turn insulation of copper conductor is protected. After winding coil 8, the end thereof corresponds to rotor end fixing frame 5, and at this time, the end of coil 8 is fixed by binding material cooperating with fixing hole 501, to further strengthen the strength of coil 8 and prevent it from being thrown off during work. The binding material can be a binding tape, a wire wrapped with an insulating outer skin, or the like, or can be designed as two detachable buckling plates.

[0021] As preferred, insulating reinforcing plate 9 is wrapped along the edge in line slot 201, which is bent from a plate material, and is first bent in line slot 201 to fit the inner wall of line slot 201, and the top opening is bent to close after winding coil 8 is completed, so as to wrap and compress the hard copper wire in line slot 201, for further strengthening the fixing of coil 8.

[0022] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-power 2-pole generator hard-wound rotor winding fixture, comprising a splined shaft and a rotor lamination disposed in the middle of the splined shaft, wherein both ends of the rotor lamination are provided with rotor damping end plates and rotor pressure rings, and the rotor lamination is provided with a plurality of slots along the circumferential direction for winding coils, characterized in that: The groove is fitted with a detachable groove positioning strip for positioning and shaping the coil winding. The rotor lamination end is fitted with an end positioning plate with an arc-shaped groove at the bottom for positioning and shaping the coil winding. Both ends of the spline shaft are provided with rotor end fixing brackets. The rotor end fixing brackets have several fixing holes evenly distributed along the circumference and the fixing holes pass through the front and rear ends of the rotor end fixing brackets for fixing the coil with binding materials.

2. The high-power 2-pole generator hard-wound rotor winding tooling according to claim 1, characterized in that: An insulating reinforcing plate is wrapped around the edge of the groove to further strengthen and fix the coil.

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