CN219779899U - Novel underwater rotating electrical machines seal structure - Google Patents
Novel underwater rotating electrical machines seal structure Download PDFInfo
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- CN219779899U CN219779899U CN202320337222.7U CN202320337222U CN219779899U CN 219779899 U CN219779899 U CN 219779899U CN 202320337222 U CN202320337222 U CN 202320337222U CN 219779899 U CN219779899 U CN 219779899U
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- end cover
- electric machine
- transmission rod
- rotary electric
- sealing structure
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- 238000007789 sealing Methods 0.000 claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 238000005096 rolling process Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a novel underwater rotating motor sealing structure, which comprises: a rotating electric machine; an end cover which is arranged at one end of a rotating shaft of the rotating motor and is provided with an axial sealing ring at the joint with the outer shell of the rotating motor; the transmission rod penetrates through the end cover, the inner end of the transmission rod is axially connected with the rotating shaft of the rotating motor, and a radial sealing ring is arranged at the joint of the transmission rod and the end cover; the rolling bearing is arranged between the transmission rod in the end cover and the end cover. Compared with the prior art, the utility model has the beneficial effects that: the improved motor has the advantages of simple structure and low manufacturing cost, and can be better popularized and applied in the market.
Description
Technical Field
The utility model belongs to the field of motors, and particularly relates to a novel underwater rotary motor sealing structure.
Background
With development and utilization of marine mineral resources by human beings, and the application of automation equipment such as underwater exploration equipment and underwater vehicles, the application of underwater motors in marine automation equipment is becoming more and more important. And how to solve the sealing problem of the underwater motor is particularly important. The existing waterproof motor has good waterproof performance, but the cost is high, the popularization and the application are difficult in the market, and the common motor cannot always have the underwater sealing transmission function, so that the technical problem to be solved is urgent how to add a corresponding sealing structure on the basis of the existing motor to realize the corresponding underwater transmission function.
Disclosure of Invention
The details of one or more embodiments of the utility model are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the other features, objects, and advantages of the utility model.
The utility model provides a novel underwater rotating motor sealing structure, which can be improved and additionally arranged on the basis of the original motor, has a good underwater sealing transmission function, has the advantages of simple structure and low manufacturing cost, and can be better popularized and applied in the market.
The utility model discloses a novel underwater rotating motor sealing structure, which comprises:
a rotating electric machine;
an end cover which is arranged at one end of a rotating shaft of the rotating motor and is provided with an axial sealing ring at the joint with the outer shell of the rotating motor;
the transmission rod penetrates through the end cover, the inner end of the transmission rod is axially connected with the rotating shaft of the rotating motor, and a radial sealing ring is arranged between the transmission rod and the joint of the transmission rod and the end cover;
the rolling bearing is arranged between the transmission rod and the end cover and positioned in the end cover.
In some embodiments, the rotating shaft of the rotating motor and the transmission rod are engaged and connected through a key groove.
In some embodiments, further comprising:
the boss is positioned on the transmission rod in the end cover;
the rolling bearings are arranged and positioned on two sides of the boss.
In some embodiments, further comprising:
the flange clamping groove is arranged at the inner end of the end cover;
the flange is clamped in the flange clamping groove and fixedly connected with the end cover, and the flange is abutted against the rolling bearing.
In some embodiments, further comprising:
the baffle ring is sleeved outside the rolling bearing and the boss.
In some embodiments, further comprising:
the shaft sleeve is sleeved outside the boss;
the outer diameter of the shaft sleeve and the outer diameter of the rolling bearing are matched with the inner diameter of the baffle ring.
In some embodiments, the end cap is fixedly connected to the outer housing of the rotating electrical machine by socket head cap bolts.
In some embodiments, a spring washer is disposed between the socket head cap screw and the outer housing of the rotating electrical machine.
In some embodiments, the flange is fixedly connected with the end cover through screws.
In some embodiments, the radial seal ring is provided with at least 2.
Compared with the prior art, the utility model has the following beneficial effects:
1. the device has simple integral structure, is convenient to install and manufacture, can be improved on the basis of the original motor, and greatly reduces the cost.
2. The radial sealing ring is utilized to solve the dynamic sealing problem of the rotary motor under the medium-low speed working condition, and the axial sealing ring is utilized to solve the sealing between the end cover and the rotary motor outer shell, so that the sealing effect is ensured.
3. The load transmitted by the transmission rod is transmitted to the baffle ring through the rolling bearing, and then transmitted to the end cover and further transmitted to the outer shell of the rotating motor, so that the rotating shaft of the rotating motor is prevented from bearing a larger external load.
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 and do not constitute a limitation on the utility model.
Fig. 1 is a schematic structural view of the present utility model.
Description of the drawings: the rotary motor 1, the end cover 2, the flange 3, the baffle ring 4, the shaft sleeve 5, the rolling bearing 6, the rotary shaft 7, the transmission rod 8, the radial sealing ring 9, the screw 10, the axial sealing ring 11, the inner hexagon bolt 12 and the spring washer 13.
Detailed Description
The present utility model will be described and illustrated with reference to the accompanying drawings and examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. All other embodiments, which can be made by a person of ordinary skill in the art based on the embodiments provided by the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
It is apparent that the drawings in the following description are only some examples or embodiments of the present utility model, and it is possible for those of ordinary skill in the art to apply the present utility model to other similar situations according to these drawings without inventive effort. Moreover, it should be appreciated that while such a development effort might be complex and lengthy, it would nevertheless be a routine undertaking of design, fabrication, or manufacture for those of ordinary skill having the benefit of this disclosure, and thus should not be construed as having the benefit of this disclosure.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly and implicitly understood by those of ordinary skill in the art that the described embodiments of the utility model can be combined with other embodiments without conflict.
Referring to fig. 1, a novel underwater rotary electric machine sealing structure includes: the rotary motor 1, the end cover 2, the transmission rod 8 and the rolling bearing 6; wherein, the end cover 2 is arranged at one end of the rotating shaft 7 of the rotating motor 1, and an axial sealing ring 11 is arranged between the connecting part of the end cover and the outer shell of the rotating motor 1; the transmission rod 8 penetrates through the end cover 2, the inner end of the transmission rod is axially connected with the rotating shaft 7 of the rotating motor 1, and a radial sealing ring 9 is arranged between the connection part of the transmission rod and the end cover 2; a rolling bearing 6 is provided between the drive rod 8 and the end cap 2 within the end cap 2.
Through increasing end cover 2, the transfer line 8, axial sealing washer 11, the radial sealing washer 9 of being connected with rotating electrical machines 1 rotation axis 7 transmission at rotating electrical machines 1's outer end, realized external driven sealing connection, avoided water to get into rotating electrical machines 1 to satisfy rotating electrical machines's underwater sealing performance requirement.
In some embodiments, the rotary shaft 7 of the rotary electric machine 1 and the transmission rod 8 are engaged and connected through a key groove. Other corresponding axial connection modes can also be adopted, including bolt fixing, flange connection and the like.
In some embodiments, further comprising: a boss and a rolling bearing 6; the boss is positioned on the transmission rod 8 in the end cover 2; the rolling bearings 6 are provided in 2 numbers and are located on both sides of the boss. Correspondingly, 2 rolling bearings 6 are symmetrically arranged to improve the stability during transmission.
In some embodiments, further comprising: a flange clamping groove and a flange 3; the flange clamping groove is arranged at the inner end of the end cover 2; the flange 3 is clamped in the flange clamping groove and fixedly connected with the end cover 2, and the flange 3 is abutted against the rolling bearing 6. The flange 3 realizes the axial positioning of the rolling bearing 6 and prevents the axial movement of the rolling bearing.
In some embodiments, further comprising: a baffle ring 4; the baffle ring 4 is sleeved outside the rolling bearing 6 and the boss. The baffle ring 4 not only can play a role in gathering, but also is sleeved with the 2 rolling bearings 6 so as to be convenient to install, and meanwhile, the baffle ring 4 is added, so that a link is added when the transmission rod 8 transmits load, and the load force is further shared.
In some embodiments, further comprising: a sleeve 5; the shaft sleeve 5 is sleeved outside the boss; the outer diameter of the sleeve 5 and the outer diameter of the rolling bearing 6 are adapted to the inner diameter of the stop ring 4. The inner and outer diameters are consistent so as to ensure the transmission effect.
In some embodiments, the end cap 2 is fixedly connected to the outer casing of the rotating electrical machine 1 by socket head cap bolts 12. A spring washer 13 is arranged between the socket head cap screw 12 and the outer casing of the rotary electric machine 1. The spring washer 13 plays a role in preventing looseness of the hexagon bolt 12 caused by rotation of the transmission rod 8 and the rotating shaft 7.
In some embodiments, the flange 3 is fixedly connected with the end cover 2 through a screw 10. Other fixed connection methods may also be used.
In some embodiments, at least 2 radial seal rings 9 are provided to improve dynamic sealing effect.
The working principle is as follows:
firstly, a boss is sleeved with a shaft sleeve 5, then rolling bearings 6 are installed on transmission rods 8 on two sides of the boss, the rolling bearings are integrally sleeved and installed in an end cover 2 through baffle rings 4, the baffle rings 4 are fixed through bolts 10 and flanges 3, and after the axial key slot connection of the transmission rods 8 and a rotating shaft 7 is completed, the integral assembly of equipment is completed through the end cover 2 and an inner hexagon bolt 12.
The 2 radial sealing rings 9 form a dynamic seal between the end cover 2 and the transmission rod 8, and the axial sealing ring 11 forms a static seal between the end cover 2 and the rotating motor 1; the sealing effect is ensured by the sealing arrangement.
Meanwhile, according to the connection requirement outside the transmission rod 8 and the use environment of the equipment, a corresponding connecting rod can be sleeved at the outer end of the transmission rod 8.
Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. Novel rotary electric machine seal structure under water, its characterized in that includes:
a rotating electrical machine (1);
an end cover (2) which is arranged at one end of a rotating shaft (7) of the rotating motor (1) and is provided with an axial sealing ring (11) between the end cover and the joint of the rotating motor (1) outer shell;
the transmission rod (8) penetrates through the end cover (2), the inner end of the transmission rod is axially connected with the rotating shaft (7) of the rotating motor (1), and a radial sealing ring (9) is arranged between the transmission rod and the connecting part of the transmission rod and the end cover (2);
and the rolling bearing (6) is arranged between the transmission rod (8) positioned in the end cover (2) and the end cover (2).
2. The novel underwater rotary motor sealing structure according to claim 1, wherein the rotary shaft (7) of the rotary motor (1) is connected with the transmission rod (8) through key slot engagement.
3. The novel underwater rotary electric machine sealing structure of claim 1, further comprising:
the boss is positioned on the transmission rod (8) in the end cover (2);
and the rolling bearings (6) are provided with 2 rolling bearings and are positioned on two sides of the boss.
4. The novel underwater rotary electric machine sealing structure of claim 1, further comprising:
the flange clamping groove is arranged at the inner end of the end cover (2);
the flange (3) is clamped in the flange clamping groove and fixedly connected with the end cover (2), and the flange (3) is abutted against the rolling bearing (6).
5. The novel underwater rotary electric machine sealing structure as claimed in claim 3, further comprising:
and the baffle ring (4) is sleeved outside the rolling bearing (6) and the boss.
6. The novel underwater rotary electric machine sealing structure of claim 5, further comprising:
the shaft sleeve (5) is sleeved outside the boss;
the outer diameter of the shaft sleeve (5) and the outer diameter of the rolling bearing (6) are matched with the inner diameter of the baffle ring (4).
7. The novel underwater rotary electric machine sealing structure according to claim 1, wherein the end cover (2) is fixedly connected with the outer casing of the rotary electric machine (1) through an inner hexagon bolt (12).
8. The novel underwater rotary electric machine sealing structure according to claim 7, characterized in that a spring washer (13) is provided between the socket head cap screw (12) and the outer casing of the rotary electric machine (1).
9. The novel underwater rotary electric machine sealing structure according to claim 4, wherein the flange (3) is fixedly connected with the end cover (2) through a screw (10).
10. The novel underwater rotary electric machine sealing structure according to claim 1, characterized in that the radial seal rings (9) are provided with at least 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320337222.7U CN219779899U (en) | 2023-02-27 | 2023-02-27 | Novel underwater rotating electrical machines seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320337222.7U CN219779899U (en) | 2023-02-27 | 2023-02-27 | Novel underwater rotating electrical machines seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219779899U true CN219779899U (en) | 2023-09-29 |
Family
ID=88103891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320337222.7U Active CN219779899U (en) | 2023-02-27 | 2023-02-27 | Novel underwater rotating electrical machines seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219779899U (en) |
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2023
- 2023-02-27 CN CN202320337222.7U patent/CN219779899U/en active Active
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