CN217898727U - End cover sealing device of large-scale speed reducer - Google Patents
End cover sealing device of large-scale speed reducer Download PDFInfo
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- CN217898727U CN217898727U CN202221925768.6U CN202221925768U CN217898727U CN 217898727 U CN217898727 U CN 217898727U CN 202221925768 U CN202221925768 U CN 202221925768U CN 217898727 U CN217898727 U CN 217898727U
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- end cover
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Abstract
The utility model discloses a large-scale speed reducer end cover sealing device relates to metallurgical sealing technique field. It includes the speed reducer part of constituteing by speed reducer transmission shaft, speed reducer bearing, fender oil pressure disk, oil slinger, gland, its characterized in that: the sealing structure also comprises a sealing main body and two semi-metal gaskets; the sealing main body is matched with the two semi-metal gaskets; the sealing main body is provided with an opening; the semi-metal gasket and the sealing main body are connected with the gland through a connecting device; and a sealing device is arranged on the inner side of the sealing main body at the gland. The utility model has the advantages that: the device is better sealed in use, prevents a large amount of internal oil from leaking, and is convenient to use.
Description
Technical Field
The utility model relates to a metallurgical sealing technique field, in particular to large-scale speed reducer end cover sealing device.
Background
The speed reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. When the metallurgical large-scale speed reducer is used, the end cover of the large-scale speed reducer works continuously for a long time, more dust, impurities and the like are easily adhered to the outside of the large-scale speed reducer, a sealing product is not arranged at the position of the large-scale speed reducer, sealing is realized only by an oil slinger arranged in the end cover and a gap between the end cover and a shaft, but the structure cannot well seal oil inside due to long-time use, a large amount of oil is easy to leak, and the large-scale speed reducer is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the technique that exists is not enough to the aforesaid, provide a large-scale speed reducer end cover sealing device. The device is better sealed in use, prevents a large amount of internal oil from leaking, and is convenient to use.
The utility model adopts the technical proposal that: the utility model provides a large-scale speed reducer end cover sealing device, includes the speed reducer part of constituteing by speed reducer transmission shaft, speed reducer bearing, fender oil pressure disk, oil slinger, gland, its characterized in that: the sealing structure also comprises a sealing main body and two semi-metal gaskets; the sealing main body is matched with the two semi-metal gaskets; the sealing main body is provided with an opening; the semi-metal gasket and the sealing main body are connected with the gland through a connecting device; and a sealing device is arranged on the inner side of the sealing main body at the gland.
Further optimizing the technical scheme, the connecting device of the end cover sealing device of the large-scale speed reducer comprises a plurality of fixing bolts; the half-metal gasket, the sealing main body and the gland are all provided with threaded holes matched with the fixing bolts, and the half-metal gasket, the sealing main body and the gland are correspondingly matched with the threaded holes.
Further optimize this technical scheme, a large-scale speed reducer end cover sealing device's fixing bolt is eight evenly distributed's fixing bolt.
Further optimizing the technical scheme, the sealing device of the end cover sealing device of the large-scale speed reducer comprises a plurality of sealing ribs, and the sealing ribs are arranged on a sealing main body; the sealing ribs are arranged at the gland.
Further optimizing the technical scheme, the sealing device of the end cover sealing device of the large-scale speed reducer comprises a main sealing lip, and the main sealing lip is arranged on a sealing main body; the primary seal lip is disposed at the gland.
Further optimize this technical scheme, a large-scale speed reducer end cover sealing device's sealed muscle is three.
Further optimize this technical scheme, a large-scale speed reducer end cover sealing device's sealed main part is formed by the turning of PTFE material.
Further optimize this technical scheme, be provided with the installing port with speed reducer end cover complex on a large-scale speed reducer end cover sealing device's the sealed main part.
The utility model discloses compare with traditional sealing device, its beneficial effect lies in:
1. the fixing bolt, the semi-metal gasket, the sealing main body, the gland, the threaded hole and the opening are arranged, so that the installation is convenient;
2. the cooperation of the gland, the oil slinger, the sealing rib and the main sealing lip prevents a large amount of oil inside from leaking; the position structures of the sealing ribs and the main sealing lip can reduce the contact area between the sealing main body and the shaft of the speed reducer;
3. the opening is convenient to arrange and install on the speed reducer, the structure of the speed reducer is matched with the existing structural state, and the speed reducer is convenient to install; the PTFE material with high wear resistance can play a good role in sealing and durability.
Drawings
FIG. 1 is a partial cross-sectional view of the present invention after installation;
fig. 2 is a side sectional view of the sealing body of the present invention;
fig. 3 is a cross-sectional view of the sealing body junction of the present invention;
fig. 4 is a schematic plan view of the sealing body of the present invention;
in the figure, 1, a reducer transmission shaft; 2. a speed reducer bearing; 3. an oil-blocking pressure plate; 4. an oil slinger; 5. a gland; 6. a sealing body; 7. dividing a semi-metal gasket; 8. an opening; 9. fixing the bolt; 10. a threaded hole; 11. sealing the rib; 12. a primary seal lip; 13. and (7) installing the opening.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-4, a large-scale speed reducer end cover sealing device comprises a speed reducer part consisting of a speed reducer transmission shaft 1, a speed reducer bearing 2, an oil baffle pressure plate 3, an oil slinger 4 and a gland 5, and is characterized in that: the sealing device also comprises a sealing main body 6 and two semi-metal gaskets 7; the sealing main body 6 is matched with the two semi-metal gaskets 7; the sealing main body 6 is provided with an opening 8; the semi-metal gasket 7 and the sealing main body 6 are connected with the gland 5 through a connecting device; a sealing device is arranged at the gland 5 and on the inner side of the sealing main body 6; the connecting means comprise a plurality of fixing bolts 9; threaded holes 10 matched with the fixing bolts 9 are formed in the semi-metal gasket 7, the sealing main body 6 and the gland 5, and the semi-metal gasket 7, the sealing main body 6 and the threaded holes 10 in the gland 5 are correspondingly matched; the fixing bolts 9 are eight fixing bolts 9 which are uniformly distributed; the sealing device comprises a plurality of sealing ribs 11, and the sealing ribs 11 are arranged on the sealing main body 6; the sealing ribs 11 are all arranged at the gland 5; the sealing device comprises a main sealing lip 12, and the main sealing lip 12 is arranged on the sealing main body 6; the main sealing lip 12 is arranged at the gland 5; three sealing ribs 11 are provided; the sealing main body 6 is formed by turning a PTFE material; the sealing main body 6 is provided with a mounting opening 13 matched with the end cover of the speed reducer.
The gland 5 is a gland 5 on the end cover of the speed reducer; the shape structure of the sealing body 6 is shown in fig. 2 and 3; the structure of the sealing main body 6 is formed by turning a PTFE material with excellent wear resistance; the sealing body 6 and the opening 8 are similar in structure to a hoop, i.e. one end of the sealing body 6 can be separated; the mounting opening 13 is matched with an end cover of the speed reducer and is formed in the sealing main body 6, and the formed position is matched with the structure of the end cover, so that the mounting opening is conveniently mounted on the end cover;
the half metal gasket 7 and the sealing main body 6 are installed and fixed on the gland 5 through the matching of the fixing bolt 9 and the threaded holes 10 on the half metal gasket 7, the sealing main body 6 and the gland 5 respectively, the sealing rib 11 and the main sealing lip 12 are arranged at the gland 5, the oil slinger 4 is arranged at the gland 5, and the sealing rib 11 and the main sealing lip 12 seal the sealing rib and the main sealing lip, so that a large amount of internal oil is prevented from leaking; the position structure of the sealing rib 11 and the main sealing lip 12 is shown in fig. 3, and the structure can reduce the contact area of the sealing main body 6 and the shaft of the speed reducer;
the opening 8 is convenient to install on the speed reducer, the structure of the opening is matched with the existing structural state, and the installation is convenient; the seal body 6 is made of PTFE with excellent wear resistance, and can achieve good sealing effect and durability.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. The utility model provides a large-scale speed reducer end cover sealing device, includes the speed reducer part of constituteing by speed reducer transmission shaft (1), speed reducer bearing (2), fender oil pressure disk (3), oil slinger (4), gland (5), its characterized in that: the sealing device also comprises a sealing main body (6) and two semi-metal gaskets (7); the sealing main body (6) is matched with the two semi-metal gaskets (7); an opening (8) is arranged on the sealing main body (6); the semi-metal gasket (7) and the sealing main body (6) are connected with the gland (5) through a connecting device; and a sealing device is arranged on the inner side of the sealing main body (6) at the gland (5).
2. The sealing device for the end cover of the large speed reducer according to claim 1, wherein: the connecting device comprises a plurality of fixing bolts (9); divide half metal gasket (7), sealed main part (6) and gland (5) to all open and have screw hole (10) with fixing bolt (9) complex, and divide screw hole (10) on half metal gasket (7), sealed main part (6) and gland (5) to correspond the cooperation.
3. The sealing device for the end cover of the large speed reducer according to claim 2, characterized in that: the fixing bolts (9) are eight fixing bolts (9) which are uniformly distributed.
4. The sealing device for the end cover of the large speed reducer according to claim 1, wherein: the sealing device comprises a plurality of sealing ribs (11), and the sealing ribs (11) are arranged on the sealing main body (6); the sealing ribs (11) are arranged at the gland (5).
5. The sealing device for the end cover of the large speed reducer according to claim 1, wherein: the sealing device comprises a main sealing lip (12), and the main sealing lip (12) is arranged on the sealing main body (6); the main sealing lip (12) is arranged at the gland (5).
6. The sealing device for the end cover of the large speed reducer according to claim 4, wherein: three sealing ribs (11) are arranged.
7. The sealing device for the end cover of the large speed reducer according to claim 1, wherein: the sealing main body (6) is formed by turning PTFE materials.
8. The sealing device for the end cover of the large speed reducer according to claim 1, wherein: the sealing main body (6) is provided with an installation opening (13) matched with the end cover of the speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221925768.6U CN217898727U (en) | 2022-07-25 | 2022-07-25 | End cover sealing device of large-scale speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221925768.6U CN217898727U (en) | 2022-07-25 | 2022-07-25 | End cover sealing device of large-scale speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217898727U true CN217898727U (en) | 2022-11-25 |
Family
ID=84135643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221925768.6U Active CN217898727U (en) | 2022-07-25 | 2022-07-25 | End cover sealing device of large-scale speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217898727U (en) |
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2022
- 2022-07-25 CN CN202221925768.6U patent/CN217898727U/en active Active
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