CN216290378U

CN216290378U - Pressing ring structure for generator

Info

Publication number: CN216290378U
Application number: CN202122339082.0U
Authority: CN
Inventors: 王强
Original assignee: Suzhou Huayu Precision Foundry Co ltd
Current assignee: Suzhou Huayu Precision Foundry Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-04-12
Anticipated expiration: 2031-09-26

Abstract

The utility model relates to the technical field of generators and discloses a pressing ring structure for a generator, which comprises: the one end of main ring is provided with the fin, the other end of main ring is embedded to have seted up visual groove, the inner wall in visual groove is provided with the stopper, the one end integral type of vice ring is connected with the spacing ring, the both ends of vice ring are run through and have been seted up spacing hole, the one end of main ring is provided with the reinforcing block. This pressure ring structure for generator is convenient for divide into the structure that a main ring and an auxiliary ring stack with a holistic pressure ring, when not influencing the steadiness, increases the quantity in gap between pressure ring and the stator, provides more headspace for the thermal expansion of pressure ring, has reduced the thermal expansion deformation degree of pressure ring, has avoided being connected too closely between pressure ring and the stator simultaneously, and the easy thermal expansion breaks, has improved the life of pressure ring.

Description

Pressing ring structure for generator

Technical Field

The utility model relates to the technical field of generators, in particular to a pressing ring structure for a generator.

Background

The generator is a mechanical device for converting energy in other forms into electric energy, and structurally comprises a rotor and a stator, wherein the rotor mainly acts on generating a rotating magnetic field, the stator mainly acts on being cut by magnetic lines in the rotating magnetic field to generate current, and the stator mainly comprises a base and a vibration isolation structure thereof, a stator core, a stator winding and other parts.

Stator core's fixed can adopt with the help of the fixed mode of location muscle screw rod and whole clamping ring, and general generator stator clamping ring is metal construction mostly, because the friction of the inside rotor of generator and the motion of cutting magnetic induction line, the inside temperature of generator is higher, and the clamping ring is the metal ring structure mostly, and the easy thermal expansion produces structural deformation.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies of the prior art, the present invention provides a pressing ring structure for a generator, which solves the problems mentioned in the background above.

The utility model provides the following technical scheme: a clamping ring structure for a generator, comprising: the one end of main ring is provided with the fin, the other end of main ring is embedded to have seted up visual groove, the inner wall in visual groove is provided with the stopper, the one end integral type of vice ring is connected with the spacing ring, the both ends of vice ring are run through and have been seted up spacing hole, the one end of main ring is provided with the reinforcing block.

Preferably, the bolt holes are formed in the two ends of the main ring and the two ends of the auxiliary ring in a penetrating mode, and the main ring is movably connected to one end of the auxiliary ring.

Preferably, the visual groove is an annular visual groove, and the shape and the size of the visual groove are matched with those of the limiting ring.

Preferably, the outer wall of the limiting block is connected with the inner wall of the limiting hole in a sliding mode, and the thickness of the limiting block is smaller than the depth of the limiting hole.

Preferably, the number of the reinforcing blocks is eight, and the eight reinforcing blocks are centrosymmetric by taking the middle point of the main ring as a symmetric point.

Preferably, the number of the radiating fins is forty-eight, and every six radiating fins are in one group, and eight groups of radiating fins are equidistantly distributed among eight reinforcing blocks.

Compared with the prior art, the utility model has the following beneficial effects:

1. this clamping ring structure for generator, main ring through setting up, the secondary ring, the fin, the visual groove, the stopper, the spacing ring, spacing hole and reinforcing block, be convenient for divide into the structure that a whole clamping ring stacks with a main ring and a secondary ring, when not influencing the steadiness, increase the quantity in gap between clamping ring and the stator, more headspace is provided for the thermal expansion of clamping ring, the clamping ring thermal expansion degree of deformation has been reduced, it is too inseparable to have avoided being connected between clamping ring and the stator simultaneously, the thermal expansion that easily receives breaks, the life of clamping ring has been improved.

2. This pressure ring structure for generator through the major loop, the secondary ring and the fin that set up, has increased the whole area of contact with the air of pressure ring, has improved heat exchange rate, and then has improved the radiating effect, has reduced the pressure ring intensification degree.

3. This clamping ring structure for generator through visual groove, stopper, spacing ring and the spacing hole that sets up, can be convenient for spacing between main ring and the secondary ring, avoids rotating relatively between main ring and the secondary ring, simultaneously, is convenient for utilize stopper and spacing hole to realize the location to the bolt hole, has avoided the inside bolt hole of main ring and the inside bolt hole dislocation of secondary ring.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of an explosive structure according to the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is an enlarged view of the utility model at A in FIG. 3.

In the figure: 1. a main ring; 2. a secondary ring; 3. a heat sink; 4. a visual slot; 5. a limiting block; 6. a limiting ring; 7. a limiting hole; 8. a reinforcing block; 9. bolt holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a pressing ring structure for a generator includes: the primary ring 1 and the secondary ring 2, the contact surface between the primary ring 1 and the secondary ring 2 is rough, so that the space is increased for the thermal expansion of the clamping ring, meanwhile, the heat dissipation is convenient, the one end of the primary ring 1 is provided with the radiating fins 3, the other end of the primary ring 1 is embedded and provided with the visual groove 4, the inner wall of the visual groove 4 is provided with the limiting block 5, one end of the secondary ring 2 is integrally connected with the limiting ring 6, the two ends of the secondary ring 2 are penetrated and provided with the limiting holes 7, and one end of the primary ring 1 is provided with the reinforcing block 8.

Wherein; bolt hole 9 has all been run through at the both ends of major ring 1 and

minor ring

2, and 1 swing joint of major ring is in the one end of minor ring 2 to in part holistic clamping ring, reduce the thickness of individual unit, increase the thermal expansion room, thereby reduce the thermal expansion inequality and lead to the clamping ring to warp.

Wherein; the visible groove 4 is an annular visible groove, and the shape and the size of the visible groove 4 and the shape and the size of the limiting ring 6 are matched with each other, so that the secondary ring 2 is prevented from sliding off.

Wherein; the outer wall of stopper 5 and the inner wall sliding connection of spacing hole 7, and the thickness of stopper 5 is less than the degree of depth of spacing hole 7, through the visual groove 4 that sets up, stopper 5, spacing ring 6 and spacing hole 7, can be convenient for spacing between main ring 1 and the secondary ring 2, avoid relative rotation between main ring 1 and the secondary ring 2, simultaneously, be convenient for utilize stopper 5 and spacing hole 7 to realize the location to bolt hole 9, avoided the bolt hole 9 of main ring 1 inside and the bolt hole 9 dislocation of secondary ring 2 inside.

Wherein; the number of the reinforcing blocks 8 is eight, and the eight reinforcing blocks 8 are centrosymmetric by taking the middle point of the main ring 1 as a symmetric point, so that the strength of the main ring 1 is increased, the radiating fins 3 are prevented from being used as supports, and the service life of the radiating fins 3 is prolonged.

Wherein; the quantity of fin 3 is forty-eight, and every six fin 3 are a set of, and eight group's fin 3 equidistance distribute between eight reinforcing block 8, through the main ring 1 that sets up, secondary ring 2 and fin 3, increased the whole area of contact with the air of clamping ring, improved heat exchange rate, and then improved the radiating effect, reduced the clamping ring intensification degree.

The theory of operation, during the use, the heat conduction of main ring 1 and secondary ring 2 by the stator is heated the inflation, because between main ring 1 and the secondary ring 2, all there is the gap between secondary ring 2 and the stator, these gaps have increased an inflation headspace for the clamping ring, simultaneously, this gap has reduced the thickness of the single unit of clamping ring, and fin 3 has increased the area of contact of clamping ring and air to the radiating effect has been improved, in order to reach the degree that reduces the clamping ring and be heated the inflation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A clamping ring structure for a generator is characterized by comprising: the novel heat-insulation plate comprises a main ring (1) and an auxiliary ring (2), wherein a radiating fin (3) is arranged at one end of the main ring (1), a visible groove (4) is embedded at the other end of the main ring (1), a limiting block (5) is arranged on the inner wall of the visible groove (4), a limiting ring (6) is integrally connected with one end of the auxiliary ring (2), limiting holes (7) are formed in the two ends of the auxiliary ring (2) in a penetrating mode, and a reinforcing block (8) is arranged at one end of the main ring (1).

2. The pressing ring structure for the generator according to claim 1, wherein bolt holes (9) are formed in two ends of the main ring (1) and two ends of the secondary ring (2) in a penetrating mode, and the main ring (1) is movably connected to one end of the secondary ring (2).

3. The pressing ring structure for the generator according to claim 1, wherein the visual groove (4) is an annular visual groove, and the shape and size of the visual groove (4) and the shape and size of the limiting ring (6) are matched with each other.

4. The pressing ring structure for the generator as claimed in claim 1, wherein the outer wall of the limiting block (5) is slidably connected with the inner wall of the limiting hole (7), and the thickness of the limiting block (5) is smaller than the depth of the limiting hole (7).

5. The clamping ring structure for the generator according to claim 1, characterized in that the number of the reinforcing blocks (8) is eight, and the eight reinforcing blocks (8) are centrosymmetric by taking the middle point of the main ring (1) as a symmetric point.

6. The clamping ring structure for the generator according to claim 1, characterized in that the number of the radiating fins (3) is forty-eight, and every six radiating fins (3) are in one group, and eight groups of radiating fins (3) are equidistantly distributed among eight reinforcing blocks (8).