CN216649336U

CN216649336U - Generator stator location muscle short circuit structure and generator

Info

Publication number: CN216649336U
Application number: CN202122726024.3U
Authority: CN
Inventors: 王黔; 胡德剑; 蒋群雄; 苏振; 吴明森; 罗陈; 王鸿; 孙青�; 王椰平
Original assignee: Dongfang Electric Machinery Co Ltd DEC
Current assignee: Dongfang Electric Machinery Co Ltd DEC
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-05-31
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a short-circuit structure of a positioning rib of a generator stator and a generator, belonging to the technical field of generator devices; the structure comprises a plurality of positioning ribs arranged on a generator stator, wherein connecting blocks are fixedly arranged on the positioning ribs, connecting points are arranged at two ends of each connecting block, a copper bar is connected between every two adjacent connecting blocks, and two ends of each copper bar are respectively and fixedly connected to the connecting points; compared with the traditional structure, the short-circuit structure of the positioning rib of the generator stator has higher assembling efficiency, the whole structure is more stable through the structural design, better performance is provided, and compared with the existing structure, the structure of the short-circuit structure of the positioning rib of the generator stator has more advantages in initial assembly.

Description

Generator stator location muscle short circuit structure and generator

Technical Field

The utility model relates to a short-circuit structure of a positioning rib of a generator stator and a generator, and belongs to the technical field of generator devices.

Background

The general structure of prior art 1 (Harbin electric machine, patent No. 201620946243.9) is shown in FIG. 2, wherein two F-shaped clamping blocks are fastened to positioning ribs by screws 1 and nuts, and a connecting plate between the positioning ribs is fastened to the F-shaped clamping blocks by screws 2 and nuts.

The structure of prior art 2 (oriental electric group oriental motor, patent No. 2018216822538.5) is shown in fig. 3, by combining two L-shaped brackets and copper bars, connecting adjacent positioning ribs.

The structural design of the stator of the generator is a substantial requirement, because the space for improvement is relatively small due to the structural characteristics, and the significance and the benefits brought to the generator are not negligible in the relative improved structural design.

Disclosure of Invention

The utility model aims to: to the problem that above-mentioned exists, provide a generator stator location muscle short circuit structure and generator, change the not enough of current structure and improve its self performance through the design of structure.

The technical scheme adopted by the utility model is as follows:

the utility model provides a generator stator location muscle short circuit structure, is including setting up a plurality of location muscle on generator stator, the fixed connecting block that is provided with on the muscle of location, the both ends of this connecting block have the tie point, are connected with the copper bar between adjacent connecting block, and the both ends difference fixed connection of this copper bar is on the tie point.

In this design, with the fixed top that sets up at the location muscle of connecting block, because this department structure is inside the generator frame, in case the assembly is accomplished, hardly unpacks apart the repair again, consequently requires the reliability of structure high, adopts the stability of fixed connected mode assurance whole structure point.

Further, the top of the connecting block is provided with an assembling groove, and the connecting block can be positioned at the top of the positioning rib through the assembling groove. The design of the assembly groove is utilized, on one hand, the accuracy of the assembly position of the whole structure during assembly is better realized, and meanwhile, the assembly efficiency can be effectively improved.

Further, the connecting block is fixedly assembled on the top of the positioning rib through welding. The stability of whole structure can effectually be guaranteed through the design of this structure.

Furthermore, a pressing plate is arranged at the connecting point, and the copper bar is assembled between the pressing plate and the connecting block. The stress area of the copper bar is effectively increased through the design of the pressing plate, and the effect of more uniform stress is achieved.

Furthermore, the copper bar is assembled on the lower end face of the connecting block.

Furthermore, the copper bar is assembled between the pressing plate and the connecting block through bolts.

Furthermore, the bolt fixed connection part is provided with welding spots, and spot welding is adopted for fixing to prevent loosening. The stability of whole structure is realized to the design that adopts the solder joint, especially under the condition that the motor can not be unpack apart usually, improves the life of whole structure.

Furthermore, a layer of plating silver is arranged on the assembling surface of the copper bar, which is used for being matched with the connecting block, or/and the assembling surface of the connecting block, which is used for being matched with the copper bar. The design through this structure can its electrically conductive effect of effectual improvement, reduces the possibility of the trouble that generates heat.

Furthermore, the copper bar is in an omega shape, so that when the copper bar is heated to expand, the influence of stress on the structure can be effectively reduced. Can reliably resist shock, and can effectively reduce the influence of stress on the structure when being heated and expanded.

A generator comprises the short-circuit structure of the positioning rib of the generator stator.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. compared with the traditional structure, the short-circuit structure of the positioning rib of the generator stator has higher assembling efficiency, the whole structure is more stable through the structural design, better performance is provided, and compared with the existing mechanism, the structure of the short-circuit structure of the positioning rib of the generator stator has more advantages in initial assembly.

2. According to the short circuit structure of the positioning rib of the generator stator, provided by the utility model, through the design of the assembling groove and the design of the pressing plate, the quick assembly of the copper bar is effectively realized, the quick positioning is also effectively realized, the problem that the connecting block has torsional displacement relative to the positioning rib is avoided, especially in the structural design, the problem that the copper bar and the connecting block are required to be welded in the traditional structure is avoided, the stress is more uniformly realized through the design of the pressing block, the positioning and the assembly of the structure are more favorably realized in the assembling process, the service life of the short circuit structure is prolonged, the maintenance cost is reduced, and the working efficiency of the generator is improved.

Drawings

FIG. 1 is a schematic view of the copper bar connection structure of the present invention;

FIG. 2 is a schematic view of the assembled structure of the present invention;

FIG. 3 is one of conventional solutions;

fig. 4 shows a second conventional solution.

The labels in the figure are: 1-positioning ribs, 2-connecting blocks, 3-copper bars and 4-pressing plates.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1

The utility model provides a generator stator location muscle short circuit structure, as shown in figure 1 and figure 2, including setting up a plurality of location muscle 1 on generator stator, fixed being provided with connecting block 2 on the muscle of location 1, the both ends of this connecting block 2 have the tie point, are connected with copper bar 3 between adjacent connecting block, and the both ends difference fixed connection of this copper bar 3 is on the tie point.

In this embodiment, different with traditional structure, the design of connecting block has been adopted in the design of structure, and traditional structure is mostly to adopt the bolt to fix the copper bar on the connecting plate, the connecting plate adopts the bolt fastening on the location muscle, and concrete structurally, all set up the connecting plate respectively and connect the copper bar, in the design of structure and on the technology, traditional structure is for this application, need carry out the fixed of both sides, the design of structure is complicated relatively, and the assembly process is more, and this structure adopts the assembly of single connecting block realization both sides, can effectual reduction assembly step, especially in the design of connecting plate, this mode can be effectual in the structural assembly process who realizes the connecting plate, thereby the assembly efficiency of effectual improvement generator rotor.

In a specific structural design, as described in more detail, the top of the connecting block 2 is provided with an assembling groove, and the top of the positioning rib can be positioned through the assembling groove. Based on the shape of the cross-section at location muscle top, design this assembly groove, when assembling connecting block 2, only need will use the assembly groove as the benchmark to can effectual realization location, and need not fix a position many times when assembling the copper bar, thereby further improvement assembly efficiency.

On the basis of the design of the above specific structure, as a more specific design, the connecting block 2 is assembled on the top of the positioning rib by welding fixation. Because the structure is arranged in the generator base, once the assembly is completed, the generator base is difficult to disassemble and repair, so that the reliability of the structure is required to be extremely high, the structure adopts a welding mode to connect the positioning ribs and the connecting blocks, the mechanical strength is ensured, and the reliable through-flow of current is also ensured. Of course, as an alternative, the structure may be fixed by means of bolt assembly. Preferably, the welding mode is selected certainly, and the conductive effect of the contact surface is ensured.

On the basis of the design of the specific structure, as a more specific design, a pressing plate 4 is arranged at the connecting point, and the copper bar 3 is assembled between the pressing plate and the connecting block. In the design of this structure, the main effect can realize the copper bar at the in-process of assembly, and its atress is more even, utilizes the effectual assembly that realizes the copper bar of this structure, and further problem of avoiding droing, utilizes the design of this structure not only to guarantee the stability of structure, and the electric conductive property has also effectually been guaranteed simultaneously, has promoted the life of whole structure.

As a more specific design, on the basis of the above specific structure, the copper bar is assembled on the lower end face of the connecting block. As a more specific design, in order to ensure the structural design of the copper bar and the utilization of space, the design of the structure is adopted.

As a more specific design, on the basis of the above specific structure, the copper bar 3 is assembled between the pressing plate and the connecting block through a bolt. In the assembly, the structure can be used for effectively realizing more balanced stress through the design of the bolt and the pressing plate, and particularly, in the design of the structure, the conductive performance between the copper bar and the connecting block can be effectively ensured.

However, on the basis of the design of the structure, in order to achieve better stability and especially ensure the service life of the whole structure, especially when the structure is applied to a generator, the bolt fixing connection parts are provided with welding spots and are fixed by spot welding to prevent looseness. The design of this mode can effectual assurance whole structure's stability, realizes the stability of its assembly.

On the basis of the design of above-mentioned concrete structure, as more specific design, still be provided with one deck cladding material silver on copper bar 3 be used for with connecting block complex assembly surface or/and connecting block 2 be used for with copper bar complex assembly surface. Further specific design, a layer of plating silver is further arranged on the assembling surface of the copper bar 3 matched with the connecting block and the assembling surface of the connecting block 2 matched with the copper bar. The connecting block is brushed with the contact surface of the copper bar by silver, so that the conductivity is increased, and the possibility of heating faults is reduced.

On the basis of the design of the specific structure, as a more specific design, the copper bar is in an omega shape, so that the influence of stress on the structure can be effectively reduced when the copper bar is heated to expand. The copper bar is "omega" shape, can reliably take precautions against earthquakes, when being heated the inflation, can effectively reduce the influence to the structure that corresponds.

In the design of above-mentioned concrete structure, as more specific description, the copper bar surface sets up stainless steel non-magnetic pressure plate, and balanced bolt is to closing pressure, makes the conducting surface electric current more even, prevents that local heating.

Example 2

A generator comprising the short-circuit structure of the positioning rib of the stator of the generator of embodiment 1.

In summary, the following steps:

2. According to the generator stator positioning rib short-circuit structure, through the design of the assembling groove and the design of the pressing plate, the quick assembly of the copper bar is effectively realized, meanwhile, the quick positioning is also effectively realized, the problem that the connecting block has torsional displacement relative to the positioning rib is avoided, particularly, in the structure design, the problem that the copper bar and the connecting block need to be welded in the traditional structure is avoided, the stress is effectively realized to be more uniform through the design of the pressing block, the structure is more favorably positioned and assembled in the assembling process, the service life of the structure is prolonged, the maintenance cost is reduced, and the working efficiency of a generator is improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a generator stator location muscle short circuit structure which characterized in that: including setting up a plurality of location muscle (1) on generator stator, fixed being provided with connecting block (2) on location muscle (1), the both ends of this connecting block (2) have the tie point, are connected with copper bar (3) between adjacent connecting block, and the both ends difference fixed connection of this copper bar (3) is on the tie point.

2. The short-circuit structure of the positioning rib of the generator stator as claimed in claim 1, wherein: the top of the connecting block (2) is provided with an assembling groove, and the connecting block can be positioned at the top of the positioning rib through the assembling groove.

3. The short-circuit structure of the positioning rib of the generator stator as claimed in claim 1 or 2, wherein: the connecting block (2) is fixedly assembled on the top of the positioning rib through welding.

4. The short-circuit structure of the positioning rib of the generator stator as claimed in claim 1, wherein: and a pressing plate (4) is arranged at the connecting point, and the copper bar (3) is assembled between the pressing plate and the connecting block.

5. The short-circuit structure of the positioning rib of the generator stator as claimed in claim 4, wherein: the copper bar is assembled on the lower end face of the connecting block.

6. The short-circuit structure of the positioning rib of the generator stator as claimed in claim 4 or 5, wherein: the copper bar (3) is assembled between the pressing plate and the connecting block through bolts.

7. The short-circuit structure of the positioning rib of the generator stator as claimed in claim 6, wherein: the bolt fixed connection parts are provided with welding spots and are fixed by spot welding to prevent looseness.

8. The short-circuit structure of the positioning rib of the generator stator as claimed in claim 4, wherein: and a layer of plating silver is further arranged on the assembling surface of the copper bar (3) for being matched with the connecting block or/and the assembling surface of the connecting block (2) for being matched with the copper bar.

9. The short-circuit structure of the positioning rib of the generator stator as claimed in claim 1, wherein: the copper bar is in an omega shape, so that when the copper bar is heated to expand, the influence of stress on the structure can be effectively reduced.

10. An electrical generator, characterized by: the short-circuit structure comprises the generator stator positioning rib as claimed in any one of claims 1 to 9.