CN220956805U - Sealing device for spindle of steel cord water tank cone pulley - Google Patents
Sealing device for spindle of steel cord water tank cone pulley Download PDFInfo
- Publication number
- CN220956805U CN220956805U CN202322492527.8U CN202322492527U CN220956805U CN 220956805 U CN220956805 U CN 220956805U CN 202322492527 U CN202322492527 U CN 202322492527U CN 220956805 U CN220956805 U CN 220956805U
- Authority
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- China
- Prior art keywords
- main shaft
- cone pulley
- ceramic
- cover plate
- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 22
- 239000010959 steel Substances 0.000 title claims abstract description 22
- 239000000919 ceramic Substances 0.000 claims abstract description 44
- 210000004907 gland Anatomy 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000003068 static effect Effects 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 10
- 238000005524 ceramic coating Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 9
- 239000000344 soap Substances 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000008149 soap solution Substances 0.000 description 1
Landscapes
- Sealing Of Bearings (AREA)
- Sealing Devices (AREA)
Abstract
The utility model provides a sealing device for a spindle of a steel cord water tank cone pulley, which comprises the following components: the device comprises a shaft bearing seat, an inner cover plate, an outer gland, a lip-shaped sealing ring, a ceramic shaft sleeve, a rubber sealing ring, a cone pulley and a main shaft. The main shaft is arranged between the cone pulley and the bearing, and the surfaces of the outer gland and the inner gland are fixed on a main shaft bearing seat through bolts; the ceramic shaft sleeve is sleeved on the circumference of the main shaft; the two lip-shaped sealing rings are respectively fixed in the inner cover plate and the outer gland in a facing way and sleeved on the outer circumference of the ceramic shaft sleeve to form outer sealing of the ceramic shaft sleeve and the cover plate assembly; the rubber sealing ring is embedded in the inner circular surface of the ceramic shaft sleeve and is used for forming clearance fit with the main shaft, and static seal is formed between the main shaft and the ceramic shaft sleeve. Compared with the existing mechanical seal or thread seal mode, the sealing device can effectively prevent soap liquid from entering the bearing seat, the overall processing cost of the sealing structure is low, the processing precision and the installation precision are not required to be too high, and the service life of the sealing structure is longer.
Description
Technical Field
The utility model relates to the technical field of spindle sealing, in particular to a sealing device for a spindle of a steel cord water tank cone pulley.
Background
Sealing of the spindle of the water tank in the steel cord production engineering refers to sealing of the spindle arranged between the cone pulley and the bearing, so that soap liquid is prevented from entering the bearing seat to damage the working environment of the bearing, damage is caused to the bearing and shafting parts, normal operation of the whole trolley is affected, and maintenance cost is improved.
In the prior art, a mechanical sealing mode is generally adopted, the requirements on the precision and the assembly process of all accessories are high, the installation space is large, the service lives of main parts are almost consistent, but the problems of the assembly precision and the service life are considered, and the economic loss caused by soap liquid leakage is huge. In the sealing mode of adopting the matching of the screw thread and the O-shaped ring, the screw thread is relatively troublesome to screw up when in actual installation because of the larger screw thread, the processing of the screw thread is far less than the precision of a standard part, and the screw thread screwing sealing mode is more difficult to screw up and maintain after being corroded by soap liquid.
Disclosure of utility model
In view of the problems of the prior art, according to a first aspect of the object of the present utility model, there is provided a sealing device for a steel cord tank cone pulley spindle, comprising: the device comprises a main shaft bearing seat, an inner cover plate, an outer gland, a lip-shaped sealing ring, a ceramic shaft sleeve, a rubber sealing ring, a cone pulley and a main shaft;
The main shaft is arranged between the steel cord water tank cone pulley and the bearing, and the bearing is arranged in a through hole which is arranged on the main shaft bearing seat and is coaxial with the bearing and the main shaft;
The inner cover plate is at least partially embedded into the installation surface of the main shaft bearing seat, and is integrated and fixed on the main shaft bearing seat after the outer cover plate is pressed onto the surface of the inner cover plate through bolts; the inner cover plate and the outer gland are pressed together to form a cover plate assembly, and an annular cavity is formed in the cover plate assembly and is coaxially arranged with the main shaft;
the ceramic shaft sleeve is sleeved on the circumference of the main shaft, and is arranged and installed in the annular cavity;
The two lip-shaped sealing rings are respectively fixed in the inner cover plate and the outer gland in a facing way and sleeved on the outer circumference of the ceramic shaft sleeve to form outer sealing of the ceramic shaft sleeve and the cover plate assembly;
The rubber sealing ring is embedded in the inner circular surface of the ceramic shaft sleeve and is used for forming clearance fit with the main shaft, and static seal is formed between the main shaft and the ceramic shaft sleeve.
As an alternative embodiment, the two lip-shaped sealing rings are in interference fit with the outer circumference of the ceramic shaft sleeve. And oil retaining rings are arranged at the interval positions between the two lip-shaped sealing rings and used for positioning and oiling, and the ceramic shaft sleeve and the cover plate assembly form dynamic seal by lubricating oil added by the oil retaining rings.
As an alternative embodiment, the inner circular surface of the ceramic shaft sleeve is provided with a plurality of rubber sealing rings which form clearance fit with the main shaft. The inner circular surface of the ceramic shaft sleeve is provided with a ceramic coating. The rubber sealing ring is an O-shaped rubber sealing ring or a star-shaped rubber sealing ring.
As an alternative embodiment, the sealing device further comprises a pressing plate and a Z-shaped expansion sleeve;
The Z-shaped expansion sleeve is arranged at the mounting end parts of the main shaft and the cone pulley and used for limiting axial movement between the Z-shaped expansion sleeve and the cone pulley;
the pressing plate is pressed on the outer side of the installation end part and is tightly pressed with the cone pulley so as to close the main shaft and the installation end part thereof. And the pressing plate and the cone pulley are tightly pressed by the sealing glue.
It should be understood that all combinations of the foregoing concepts, as well as additional concepts described in more detail below, may be considered a part of the inventive subject matter of the present disclosure as long as such concepts are not mutually inconsistent. In addition, all combinations of claimed subject matter are considered part of the disclosed inventive subject matter.
The foregoing and other aspects, embodiments, and features of the present teachings will be more fully understood from the following description, taken together with the accompanying drawings. Other additional aspects of the utility model, such as features and/or advantages of the exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the embodiments according to the teachings of the utility model.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the utility model will now be described, by way of example, with reference to the accompanying drawings.
Fig. 1 is a block diagram of a sealing device for a steel cord water tank cone pulley spindle in accordance with an embodiment of the present utility model.
Fig. 2 is a partial block diagram of a sealing device for a steel cord water tank cone pulley spindle in accordance with an embodiment of the present utility model.
Detailed Description
For a better understanding of the technical content of the present utility model, specific examples are set forth below, along with the accompanying drawings.
Aspects of the utility model are described in this disclosure with reference to the drawings, in which are shown a number of illustrative embodiments. The embodiments of the present disclosure are not necessarily intended to include all aspects of the utility model. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, may be implemented in any of a number of ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the disclosure may be used alone or in any suitable combination with other aspects of the disclosure.
The sealing device for the steel cord water tank cone pulley spindle, which is combined with the example shown in fig. 1 and 2, comprises a spindle bearing seat 1, an inner cover plate 2, an outer gland 3, a lip seal ring 5, a ceramic shaft sleeve 6, a rubber seal ring 7, a cone pulley 8 and a spindle 9.
The main shaft 9 is arranged between the steel cord water tank cone pulley 8 and the bearing 20, and the bearing 20 is arranged in a through hole which is arranged on the main shaft bearing seat 1 and is coaxial with the bearing 20 and the main shaft 9.
The inner cover plate 2 is at least partially embedded into the installation surface of the main shaft bearing seat 1, and the outer gland 3 is integrated and fixed on the main shaft bearing seat 1 after being fixed on the surface of the inner cover plate 2 through bolts; the inner cover plate 2 and the outer cover plate 3 are pressed together to form a cover plate assembly, and an annular cavity is formed in the cover plate assembly and is coaxially arranged with the main shaft 9.
The ceramic sleeve 6 is sleeved on the circumference of the main shaft 9, and the ceramic sleeve 6 is arranged and installed in the annular cavity.
The two lip-shaped sealing rings 5 are respectively fixed in the inner cover plate 2 and the outer gland 3 in opposite directions and sleeved on the outer circumference of the ceramic shaft sleeve 6 to form the outer seal of the ceramic shaft sleeve 6 and the cover plate assembly.
The rubber sealing ring 7 is embedded in the inner circular surface of the ceramic shaft sleeve 6 and is used for forming clearance fit with the main shaft 9, and static sealing is formed between the main shaft 9 and the ceramic shaft sleeve 6.
As shown in connection with fig. 2, there is an interference fit between the two lip seals 5 and the outer circumference of the ceramic sleeve 6. And an oil retainer 4 is arranged at a spacing position between the two lip-shaped sealing rings 5 and is used for positioning and oiling, and the ceramic shaft sleeve 6 and the cover plate assembly form dynamic seal by lubricating oil added by the oil retainer 4.
As an alternative example, the inner circular surface of the ceramic bushing 6 is provided with a plurality of rubber sealing rings 7 forming a clearance fit with the spindle 9. The rubber sealing ring 7 is an O-shaped rubber sealing ring or a star-shaped rubber sealing ring.
The inner circumferential surface of the ceramic bushing 6 is provided with a ceramic coating to ensure that the outer circumferential surface thereof is sufficiently smooth.
Referring to fig. 1, the sealing device further comprises a pressing plate 10 and a Z1 expansion sleeve 11; the Z1-type expansion sleeve 11 is arranged at the mounting end parts of the main shaft 9 and the cone pulley 8 and used for limiting the axial movement between the main shaft 9 and the cone pulley 8; the pressing plate 10 presses on the outer side of the mounting end and presses against the cone pulley 8 to close the spindle 9 and its mounting end. Wherein, the pressing plate 10 is coated with sealant at the pressing position of the cone pulley 8 to prevent the leakage of soap liquid water.
In the example of fig. 1, two bearings are arranged in the main shaft bearing seat 1, and the two bearings are separated by a gasket and can be fixed by steps and snap springs.
In the embodiment of the utility model, an inner cover plate 2 and an outer gland 3 are fixed on a main shaft bearing seat 1 through bolts, wherein two lip-shaped sealing rings 5 are oppositely fixed in the inner cover plate 2 and the outer gland 3, a oil retainer 4 is used for positioning and oiling between the two lip-shaped sealing rings, the inner ring of the lip-shaped sealing rings is contacted with the outer ring of a ceramic shaft sleeve 6 to form the outer seal of the shaft sleeve and the cover plate, a rubber sealing ring 7 is arranged on the inner circular surface of the ceramic shaft sleeve 6 and embedded in the inner circular surface to be matched with the main shaft to form the inner seal of the shaft sleeve and the main shaft, an expansion sleeve 11 can prevent axial movement between a cone pulley and the main shaft, and the installation of the cone pulley is sealed through a pressing plate 10.
Because the main shaft is higher in the high-speed rotation, the working area of the rolling body cannot be subjected to entering and marketing of impurities, the soap solution is lower in temperature and complex in composition, once entering the bearing seat, four bearings (two bearings of the turnover water tank) of the vertical water tank can be scrapped quickly, once the bearings are problematic, the whole main shaft and shafting parts mean to be scrapped, and even more, other main shafts and coiling and uncoiling systems of the vehicle are influenced. In the sealing structure of the embodiment of the utility model, soap liquid is isolated to the outside of the main shaft bearing seat through a group of lip-shaped sealing rings and at least one rubber sealing ring, so that a good working environment is provided for the bearing.
Specifically, a small clearance fit can be formed between the ceramic shaft sleeve 7 and the main shaft 9, the main shaft and the shaft sleeve form a static seal through the rubber sealing ring 7, the ceramic shaft sleeve 7 and the two lip-shaped sealing rings 5 can be a small clearance fit, the shaft sleeve and the cover plate form a dynamic seal through lubrication of oil added by the oil retainer 4, and further the sealing of the main bearing seat 1 is realized, and soap liquid at the tower wheel side is isolated outside the main bearing seat. The cover plate 10 and the expansion sleeve 11 are used for preventing soap liquid from entering the cone pulley mounting hole so as not to influence the disassembly and replacement of the cone pulley.
By the design of the sealing device of the spindle of the steel cord water tank cone pulley, soap liquid can be effectively prevented from entering the bearing seat, compared with the existing mechanical seal or thread seal mode, the sealing structure is low in overall processing cost, does not need to be excessively high in processing precision and mounting precision, is suitable for actual production requirements of steel cords, is longer in service life, and is free of various serious phenomena such as abrasion, bearing breakage, shaft breakage, die carrier breakage and the like due to mechanical seal or thread seal of an original ceramic shaft sleeve after the water tank is accelerated, and the phenomenon is avoided when the same two trolley four spindles marked after the ceramic shaft sleeve is used instead.
Moreover, the sealing device for the cone pulley main shaft provided by the utility model can be suitable for sealing the main shafts of the vertical water tank and the turnover water tank, and has a better application range.
While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Those skilled in the art will appreciate that various modifications and adaptations can be made without departing from the spirit and scope of the present utility model. Accordingly, the scope of the utility model is defined by the appended claims.
Claims (8)
1. The sealing device for the spindle of the cone pulley of the steel cord water tank is characterized by comprising a spindle bearing seat (1), an inner cover plate (2), an outer gland (3), a lip-shaped sealing ring (5), a ceramic shaft sleeve (6), a rubber sealing ring (7), a cone pulley (8) and a spindle (9);
The main shaft (9) is arranged between the steel cord water tank cone pulley (8) and the bearing (20), and the bearing (20) is arranged in a through hole which is arranged on the main shaft bearing seat (1) and is coaxial with the bearing (20) and the main shaft (9);
The inner cover plate (2) is at least partially embedded into the installation surface of the main shaft bearing seat (1), and the outer gland (3) is integrated and fixed on the main shaft bearing seat (1) after being screwed on the surface of the inner cover plate (2); the inner cover plate (2) and the outer gland (3) are pressed together to form a cover plate assembly, and an annular cavity is formed in the cover plate assembly and is coaxially arranged with the main shaft (9);
The ceramic shaft sleeve (6) is sleeved on the circumference of the main shaft (9), and the ceramic shaft sleeve (6) is arranged and installed in the annular cavity;
The two lip-shaped sealing rings (5) are respectively fixed in the inner cover plate (2) and the outer gland (3) in opposite directions and sleeved on the outer circumference of the ceramic shaft sleeve (6) to form outer sealing of the ceramic shaft sleeve (6) and the cover plate assembly;
The rubber sealing ring (7) is embedded in the inner circular surface of the ceramic shaft sleeve (6) and is used for forming clearance fit with the main shaft (9), and static sealing is formed between the main shaft (9) and the ceramic shaft sleeve (6).
2. Sealing arrangement for a steel cord water tank cone pulley spindle according to claim 1, characterized in that the two lip seal rings (5) are in an interference fit with the outer circumference of the ceramic bushing (6).
3. Sealing arrangement for a steel cord water tank cone pulley spindle according to claim 2, characterized in that a slinger (4) is arranged at a distance between the two lip seal rings (5) for positioning and oiling, and that the ceramic bushing (6) is lubricated with oil fed by the slinger (4) to form a dynamic seal with the cover plate assembly.
4. Sealing device for a steel cord water tank cone pulley spindle according to claim 1, characterized in that the inner circular surface of the ceramic bushing (6) is provided with a number of rubber sealing rings (7) forming a clearance fit with the spindle (9).
5. Sealing device for a steel cord water tank cone pulley spindle according to claim 1, characterized in that the rubber sealing ring (7) is an O-ring or a star-shaped rubber sealing ring.
6. Sealing device for a steel cord water tank cone pulley spindle according to claim 1, characterized in that the inner circular surface of the ceramic bushing (6) is provided with a ceramic coating.
7. Sealing device for a steel cord water tank cone pulley spindle according to claim 1, characterized in that it also comprises a pressure plate (10) and a Z1 expansion sleeve (11);
The Z1-type expansion sleeve (11) is arranged at the mounting end parts of the main shaft (9) and the cone pulley (8) and used for limiting axial movement between the main shaft and the cone pulley (8);
The pressing plate (10) presses the outer side of the installation end and presses the cone pulley (8) to seal the main shaft (9) and the installation end of the main shaft.
8. Sealing device for a spindle of a steel cord water tank cone pulley according to claim 7, characterized in that the pressing plate (10) is coated with a sealing glue in the position pressed against the cone pulley (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322492527.8U CN220956805U (en) | 2023-09-14 | 2023-09-14 | Sealing device for spindle of steel cord water tank cone pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322492527.8U CN220956805U (en) | 2023-09-14 | 2023-09-14 | Sealing device for spindle of steel cord water tank cone pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220956805U true CN220956805U (en) | 2024-05-14 |
Family
ID=91018396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322492527.8U Active CN220956805U (en) | 2023-09-14 | 2023-09-14 | Sealing device for spindle of steel cord water tank cone pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220956805U (en) |
-
2023
- 2023-09-14 CN CN202322492527.8U patent/CN220956805U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |