CN219351401U

CN219351401U - Driving end cover with replaceable mounting flange

Info

Publication number: CN219351401U
Application number: CN202223281390.3U
Authority: CN
Inventors: 谢德生; 陈少枢; 曾浩
Original assignee: Guangdong Jingde Electric Machinery Co ltd
Current assignee: Guangdong Jingde Electric Machinery Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-07-14
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a driving end cover with a replaceable mounting flange, which belongs to the technical field of driving end covers of generators and comprises an end cover body and a flange body, wherein a first flange is arranged at the edge of the outer wall of the end cover body along the circumferential direction of the end cover body, first assembly holes are formed in the edge of the outer wall of the first flange and the edge of the outer wall of the flange body at equal intervals along the circumferential direction of the first flange, sealing grooves are formed in the end cover body and the flange body in opposite directions, and limiting grooves are formed in the end cover body and the flange body in opposite directions at equal intervals along the circumferential direction of the end cover body and the flange body in opposite directions. According to the utility model, the end cover body and the flange body are cast in a split mode, and the first assembly holes are formed in the edges of the end cover body and the flange body at equal intervals along the circumferential direction of the end cover body and the flange body, so that the assembly application range between the end cover body and the flange body is wider, the special machine specialization of the flange is removed, and the mutual limiting and supporting effects of the limiting grooves and the limiting blocks on the opposite sides of the end cover body and the flange body are matched, so that the stability of assembly operation is improved, and the assembly difficulty is reduced.

Description

Driving end cover with replaceable mounting flange

Technical Field

The utility model relates to the technical field of generator drive end covers, in particular to a drive end cover with a replaceable mounting flange.

Background

The generator has a plurality of forms, but the working principle is based on the law of electromagnetic induction and the law of electromagnetic force, and the general principle of construction is as follows: the magnetic circuit and the circuit which mutually perform electromagnetic induction are formed by proper magnetic conduction and electric conduction materials so as to generate electromagnetic power and achieve the purpose of energy conversion. The generator is mainly composed of a stator, a rotor, an end cover, an electric brush, a machine base, a bearing and other parts, wherein the driving end cover is used as an important component in the generator and is an important protection part for protecting the normal operation of the generator.

In the prior art, the driving end cover of the existing generator is cast integrally with the flange, so that the flange used during assembly is special for a special machine, the adaptability range is small, the mounting hole formed in the outer wall of the driving end cover is oblong, and after the driving end cover is assembled by using bolts, vibration generated during operation can cause the flange to loose and deflect.

Disclosure of Invention

In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:

the utility model provides a driving end cover with a replaceable mounting flange, which comprises an end cover body and a flange body, wherein a first flange is arranged at the edge of the outer wall of the end cover body along the circumferential direction of the end cover body, first assembly holes are formed in the edge of the outer wall of the first flange and the edge of the outer wall of the flange body at equal intervals along the circumferential direction of the first flange, sealing grooves are formed in the opposite surfaces of the end cover body and the flange body, limit grooves are formed in the opposite surfaces of the end cover body and the flange body at equal intervals along the circumferential direction of the end cover body, limit blocks are arranged in the opposite surfaces of the end cover body and the flange body at equal intervals along the circumferential direction of the end cover body, and the limit grooves and the limit blocks are distributed in a staggered mode along the same circumferential direction and are connected end to form a ring.

Further, the limiting block and the limiting groove on the outer wall of the end cover body are aligned with the limiting groove and the limiting block on the outer wall of the flange body, and the shape and the size of the limiting block are matched with those of the limiting groove.

Further, the first assembly hole on the outer wall of the flange body is aligned with the first assembly hole on the outer wall of the end cover body, and the outer diameter of the flange body is the same as the maximum outer diameter of the first flange.

Further, the shape of seal groove is annular, and the inside cover of one of them seal groove is equipped with sealed rubber ring.

Further, one side of the sealing rubber ring is sleeved in the other sealing groove, and the two sealing grooves are coaxial with the end cover body and the flange body respectively.

Further, one side of the flange body is fixedly assembled on one side of the end cover body through an assembling bolt, and one end of the outer wall of the assembling bolt is provided with an assembling nut in a threaded manner.

Further, the outer diameter of the assembly bolt is matched with the inner diameter of the first assembly hole, and one end of the assembly bolt sequentially penetrates through the flange body and the inner part of the first assembly hole on the outer wall of the end cover body.

Further, the number of the limiting grooves is the same as that of the limiting blocks, and the inner diameter of the limiting grooves is larger than that of the sealing grooves.

Compared with the prior art, the above technical scheme has the following beneficial effects:

according to the flange body and the flange body which are cast in a split mode, the first assembly holes are formed in the edges of the end cover body and the flange body at equal intervals along the circumferential direction of the flange body and the flange body, so that the assembly application range between the end cover body and the flange body is wider, the special machine specificity of the flange is removed, the application range and diversity of the butt joint surfaces between the flange and the end cover are enlarged, the mutual limiting and supporting effects of the limiting grooves and the limiting blocks on opposite surfaces of the flange and the end cover body are matched, the stability of assembly operation is improved, the assembly difficulty is reduced, the flange body can be initially limited and fixed by utilizing the limiting and supporting effects between the limiting blocks and the limiting grooves during assembly, the assembly bolt and the assembly nut are convenient for a user to assemble, the assembly efficiency is improved, the two-stage annular sealing belt can be formed opposite to the end cover body and the flange body through the matching combination of the sealing ring, the limiting grooves and the limiting blocks, the tightness of the butt joint surfaces between the end cover body and the flange body is improved, and the thread engagement stability between the assembly bolt and the assembly nut is improved through the interaction force between the two mutually limiting grooves, and the vibration generated by the operation of the generator is solved, and the problem that the flange body is loose and offset occurs.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is an exploded view of the components of the present utility model;

FIG. 2 is a schematic view of the structure of the end cap of the present utility model;

FIG. 3 is a schematic view of the structure of the flange body of the present utility model;

FIG. 4 is a schematic view of the structure of the flange body in the first embodiment;

fig. 5 is an exploded view of the components of the first embodiment.

In the figure:

1. an end cap body; 2. sealing grooves; 3. a limiting block; 4. a limit groove; 5. a first flange; 6. a first assembly hole; 7. a flange body; 8. a second flange; 9. a second assembly hole; 10. a third flange; 11. assembling a bolt; 12. and assembling a nut.

Detailed Description

In order to enable those skilled in the art to better understand the present application, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application.

As shown in fig. 1 to 5, a driving end cover with a replaceable mounting flange comprises an end cover body 1 and a flange body 7, wherein a first flange 5 is arranged at the edge of the outer wall of the end cover body 1 along the circumference of the driving end cover, first assembly holes 6 are formed in the edge of the outer wall of the first flange 5 and the edge of the outer wall of the flange body 7 at equal intervals along the circumference of the driving end cover, sealing grooves 2 are formed in the opposite faces of the end cover body 1 and the flange body 7, limit blocks 3 are arranged in the opposite faces of the end cover body 1 and the flange body 7 at equal intervals along the circumference of the driving end cover, limit grooves 4 and limit blocks 3 are distributed in a staggered mode along the same circumference and are connected end to form a ring shape, second flanges 8 are formed in the outer wall of the flange body 7 at equal intervals along the circumference of the driving end, and second assembly holes 9 are formed in one side wall of the second flange 8.

As shown in fig. 4 and 5, in the first embodiment, the outer wall of the flange body 7 is symmetrically provided with the second flange 8, and the outer wall of the flange body 7 is provided with the third flange 10, one side wall of the second flange 8 and one side wall of the third flange 10 are also provided with the second assembly holes 9, the shapes and the sizes of the second flange 8 and the third flange 10 can be cast into various shapes according to actual requirements so as to meet actual use requirements, and the distance from the second assembly holes 9 to the axis of the flange body 7 is larger than the outer diameter of the flange body 7.

According to the embodiment shown in fig. 2, 3 and 4, in the embodiment, the limiting block 3 and the limiting groove 4 on the outer wall of the end cover body 1 are aligned with the limiting groove 4 and the limiting block 3 on the outer wall of the flange body 7, and the shape and the size of the limiting block 3 are matched with those of the limiting groove 4.

According to the embodiment shown in fig. 3, the first assembling hole 6 on the outer wall of the flange body 7 is aligned with the first assembling hole 6 on the outer wall of the end cover body 1, and the outer diameter of the flange body 7 is the same as the maximum outer diameter of the first flange 5, so that the flange body 7 and the end cover body 1 are convenient to butt joint, the angle deflection value between any two first assembling holes 6 on the flange body 7 is kept to be 30 °, 60 ° or 90 °, when assembling, only the limiting block 3 on the flange body 7 is inserted into the limiting groove 4 on the end cover body 1, and the limiting block 3 on the outer wall of the limiting block is sleeved on the outer wall of the end cover body 1, so that whether the first assembling holes 6 on the butt joint surfaces of the flange body 7 are aligned or not is checked, the mounting angle between the flange body 7 is not fixed, the assembling difficulty is reduced, the butt joint accuracy between the flange body 7 is improved, and the assembling efficiency is improved.

According to the embodiment shown in fig. 1 to 5, the seal groove 2 is annular, and one of the seal grooves 2 is internally sleeved with a seal rubber ring, so that the seal groove has the advantages that the butt joint surface of the end cover body 1 and the flange body 7 can be sealed in a closed loop through the annular seal groove 2 and the seal rubber ring, and the seal property of the seal rubber ring is better along with the larger extrusion force received by the seal rubber ring through the elastic deformation of the seal rubber ring, so that leakage caused by uneven stress at a certain position is avoided, and the operation of a generator is influenced.

According to the embodiment shown in fig. 1 and 5, one side of the sealing rubber ring is sleeved in the other sealing groove 2, and the two sealing grooves 2 are coaxial with the end cover body 1 and the flange body 7 respectively, so that the sealing rubber ring has the advantages that in the assembling process, the stress on the two sides of the sealing rubber ring is uniform and the stress on the two sides of the sealing rubber ring is kept consistent, the sealing of the butt joint surfaces of the end cover body 1 and the flange body 7 is realized, the sealing effect is improved, the sealing limit between the limit groove 4 and the limit block 3 on the butt joint surfaces of the two sealing rubber rings is matched, the two-stage closed-loop sealing belt is formed on the butt joint surfaces of the two sealing rubber rings, and the sealing performance of the butt joint surfaces of the two sealing rubber rings is further improved.

According to the embodiment shown in fig. 1 and 5, in the embodiment, one side of the flange body 7 is fixedly assembled on one side of the end cover body 1 through the assembling bolt 11, one end of the outer wall of the assembling bolt 11 is provided with the assembling nut 12 in a threaded manner, and the arrangement has the advantages that the flange body 7 can be fixedly installed on the end face of the end cover body 1 through the threaded connection between the assembling bolt 11 and the assembling nut 12, the flange body 7 is aligned with the end face of the end cover body 1, the assembling accuracy is improved, the extrusion force is generated when the opposite faces of the end cover body 1 and the flange body 7 can bear and tighten uniformly, the sealing effect is improved, and the sealing performance of the joint is prevented from being damaged due to uneven local stress.

According to the embodiment shown in fig. 1 and 5, the outer diameter of the assembly bolt 11 is matched with the inner diameter of the first assembly hole 6, and one end of the assembly bolt 11 sequentially penetrates through the flange body 7 and the inner part of the first assembly hole 6 on the outer wall of the end cover body 1, so that the arrangement has the advantages that only a certain assembly gap is reserved between the outer wall of the assembly bolt 11 and the inner wall of the first assembly hole 6, and the problem that when the end cover body 1 and the flange body 7 are loosened due to the reserved too large gap, circumferential offset occurs and a generator is affected is avoided.

According to the embodiment shown in fig. 2, 3 and 4, the number of the limiting grooves 4 is the same as that of the limiting blocks 3, and the inner diameter of the limiting grooves 4 is larger than that of the sealing groove 2, so that the limiting blocks 3 and the limiting grooves 4 on the interface of the end cover body 1 and the flange body 7 can be paired in pairs and are mutually staggered and spliced, the constraint on the circumferential freedom degree of the flange body 7 is realized, the flange body 7 can be supported and fixed, the first assembly holes 6 on the outer wall of the flange body 7 can be aligned with the first assembly holes 6 on the outer wall of the end cover body 1, the penetrating assembly bolts 11 are conveniently used and matched with the assembly nuts 12 to be screwed, the fixed installation between the two assembly holes is realized, a two-stage closed-loop sealing belt is formed between the first assembly holes 6 and the through holes in the center of the flange body 7, and the sealing effect of the butt joint surface of the two assembly holes is improved.

The foregoing is only illustrative of the preferred embodiments of the present utility model, and is not intended to be exhaustive or to be construed as limiting the utility model to the precise forms disclosed. It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that the utility model is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the utility model.

Claims

1. The utility model provides a drive end cover of removable mounting flange, includes end cover body (1) and flange body (7), the edge of end cover body (1) outer wall is provided with first flange (5) along its circumference, a serial communication port, first equipment hole (6) have been seted up along its circumference equidistance to the edge of first flange (5) and flange body (7) outer wall, seal groove (2) have all been seted up to the relative face of end cover body (1) and flange body (7), spacing groove (4) have all been seted up along its circumference equidistance to the relative face of end cover body (1) and flange body (7), stopper (3) are all installed along its circumference equidistance to the relative face of end cover body (1) and flange body (7), spacing groove (4) and stopper (3) are crisscross distributed along same circumference and end to end and are enclosed into the annular.

2. The drive end cap of a replaceable mounting flange of claim 1, wherein: limiting blocks (3) and limiting grooves (4) on the outer wall of the end cover body (1) are aligned with the limiting grooves (4) and limiting blocks (3) on the outer wall of the flange body (7), and the shape and the size of the limiting blocks (3) are matched with those of the limiting grooves (4).

3. The drive end cap of a replaceable mounting flange of claim 1, wherein: the first assembly holes (6) on the outer wall of the flange body (7) are aligned with the first assembly holes (6) on the outer wall of the end cover body (1), and the outer diameter of the flange body (7) is the same as the maximum outer diameter of the first flange (5).

4. The drive end cap of a replaceable mounting flange of claim 1, wherein: the shape of the seal groove (2) is annular, and the inside of one seal groove (2) is sleeved with a seal rubber ring.

5. The drive end cap of a replaceable mounting flange of claim 4, wherein: one side of the sealing rubber ring is sleeved in the other sealing groove (2), and the two sealing grooves (2) are coaxial with the end cover body (1) and the flange body (7) respectively.

6. The drive end cap of a replaceable mounting flange of claim 1, wherein: one side of the flange body (7) is fixedly assembled on one side of the end cover body (1) through an assembling bolt (11), and an assembling nut (12) is assembled at one end of the outer wall of the assembling bolt (11) in a threaded manner.

7. The drive end cap of a replaceable mounting flange of claim 6, wherein: the size of the outer diameter of the assembly bolt (11) is matched with the inner diameter of the first assembly hole (6), and one end of the assembly bolt (11) sequentially penetrates through the flange body (7) and the inner part of the first assembly hole (6) on the outer wall of the end cover body (1).

8. The drive end cap of a replaceable mounting flange of claim 1, wherein: the number of the limiting grooves (4) is the same as that of the limiting blocks (3), and the inner diameter of the limiting grooves (4) is larger than that of the sealing groove (2).