CN210265853U - Crusher bearing block end cover sealing device - Google Patents
Crusher bearing block end cover sealing device Download PDFInfo
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- CN210265853U CN210265853U CN201921203754.1U CN201921203754U CN210265853U CN 210265853 U CN210265853 U CN 210265853U CN 201921203754 U CN201921203754 U CN 201921203754U CN 210265853 U CN210265853 U CN 210265853U
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- end cover
- strength bolt
- bearing
- high strength
- limiting plate
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Abstract
The utility model discloses a crusher bearing block end cover sealing device, which comprises a main shaft, wherein a bearing block is arranged on the outer side of the main shaft, an inner bearing is rotatably connected on the inner side of the bearing block, an outer labyrinth end cover is clamped on the inner side of one end of the bearing block, an inner end cover is arranged on the other end of the bearing block, a first high-strength bolt is arranged on the inner side of the inner end cover, and the inner end cover is fixedly connected with the bearing block through the first high-strength bolt; through being provided with interior end cover, oil blanket, first high strength bolt and outer labyrinth end cover, be convenient for overhaul and good sealed effect, be convenient for avoid the bearing frame inboard and the outside all set up to the labyrinth end cover, lead to sealed effect poor, and the inconvenience of labyrinth end cover dismantlement, through being provided with stopper, limiting plate, second high strength bolt, anticreep piece and guide block, be convenient for avoid first high strength bolt to take place not hard up in the use, cause droing of first high strength bolt.
Description
Technical Field
The utility model belongs to the technical field of the bearing frame is sealed, concretely relates to breaker bearing frame end cover sealing device.
Background
The crusher has the advantages that dust is large at the sealing position of the main shaft and the shell in the operation process, the dust easily enters the inner cavity of the bearing seat through the gap of the end cover, the service life of the bearing is shortened, the bearing seat of the crusher needs to be sealed, the sealing mode of the crusher commonly used at present is single, and the end cover felt or oil seal or labyrinth seal and the like are adopted. The existing bearing seat is close to an equipment shell and far away from the inner end and the outer end of the equipment shell, most of the bearing seat is sealed through a labyrinth cover, so that the sealing effect is poor, and in the process of disassembling a labyrinth end cover, because a gap between an inner side end cover and a bearing is very small, the bearing cannot be disassembled by directly using a tool, if the inner side end cover is stressed, the inner end cover is very easy to damage, in addition, in order to improve the connection effect between the sealing cover and the bearing seat, the sealing cover and the bearing seat are fixed through bolts, but the bolts are easy to loosen and fall off after being used for a long time, the bolts fall off, possibly influence the main shaft, and the use effect is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a breaker bearing frame end cover sealing device, inner and the outer end that is close to the equipment casing and keeps away from the equipment casing are proposed to the bearing frame that proposes to have now in solving above-mentioned background art, most all seals through labyrinth cover formula, lead to sealed effect poor, and labyrinth end cover is dismantling the in-process, because the gap between interior end cover and the bearing is very little, unable direct use frock is pulled down the bearing, if interior end cover atress then the end cover damages very easily in the interior end cover atress, there are some sealed modes in addition in order to improve the connection effect between sealed lid and the bearing frame, it fixes sealed lid and bearing frame to pass through the bolt more, but the bolt uses easily to take place not hard up to drop for a long time, the bolt drops and probably causes the influence to the main shaft, lead.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a breaker bearing frame end cover sealing device, includes the main shaft, the outside of main shaft is provided with the bearing frame, the inboard rotation of bearing frame is connected with interior bearing, the inboard card of bearing frame one end is equipped with outer labyrinth end cover, the bearing frame other end is provided with interior end cover, the inboard of interior end cover is provided with first high strength bolt, interior end cover passes through first high strength bolt fixed connection with the bearing frame, the inboard of interior end cover is provided with the oil blanket, the one end of first high strength bolt is provided with locking mechanism.
Preferably, locking mechanism includes stopper, limiting plate, second high strength bolt and guide block, the end fixing of first high strength bolt has the limiting block, the spacing groove has been seted up to one side of stopper, the side surface of interior end cover is fixed with the guide block, the inboard sliding connection of guide block one end has the limiting plate, the limiting plate cooperates through the spacing groove with the stopper and is connected, the screw has been seted up to the inboard of limiting plate one end, second high strength bolt threaded connection is in the one end of guide block, limiting plate and guide block carry out fixed connection through second high strength bolt and screw.
Preferably, one end of the limiting plate is fixed with an anti-falling block, the anti-falling block is provided with two positions, and the other position is located on the outer side of the middle part of the limiting plate.
Preferably, the length of the limiting block is equal to the outer diameter of the end face of the first high-strength bolt, and the inner side of the limiting groove is provided with a friction bulge.
Preferably, the inner end cover and the bearing seat are both annular, and the outer diameter of the bearing seat is 2-15 mm larger than that of the inner end cover.
Preferably, the number of the first high-strength bolts is four to eight, and the first high-strength bolts are uniformly distributed around the inner end cover.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) through being provided with interior end cover, oil blanket, first high strength bolt and outer labyrinth end cover, be convenient for tear open and repair and good sealed effect, be convenient for avoid the bearing frame inboard and outside all set up to the labyrinth end cover, lead to sealed effect poor, and the labyrinth end cover is in the dismantlement in-process, because the gap between interior end cover and the bearing is very little, can't directly use the frock to pull down the bearing, if interior end cover atress then interior end cover damages very easily, causes the inconvenience of maintenance.
(2) Through being provided with stopper, limiting plate, second high strength bolt, anticreep piece and guide block, when being convenient for avoid the bearing frame outside to have end cover through first high strength bolted connection, take place not hard up in the first high strength bolt use, cause droing of first high strength bolt, influence the result of use of device, be convenient for improve the stability that the device is connected, extension fixture's life.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the present invention at a position a in fig. 1;
fig. 3 is a schematic view of the present invention at a portion B of fig. 1;
in the figure: 1. an inner end cap; 2. oil sealing; 3. an inner bearing; 4. a bearing seat; 5. an outer labyrinth end cap; 6. a first high-strength bolt; 7. a limiting block; 8. a limiting plate; 9. a second high-strength bolt; 10. an anti-drop block; 11. a guide block; 12. a main shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a breaker bearing frame end cover sealing device, including main shaft 12, the outside of main shaft 12 is provided with bearing frame 4, the inboard rotation of bearing frame 4 is connected with interior bearing 3, the inboard card of 4 one ends of bearing frame is equipped with outer labyrinth end cover 5, be convenient for seal the outer end that the equipment casing was kept away from to bearing frame 4, the bearing frame 4 other end is provided with interior end cover 1, the inboard of interior end cover 1 is provided with first high strength bolt 6, interior end cover 1 is through first high strength bolt 6 fixed connection with bearing frame 4, be convenient for seal the inner that bearing frame 4 is close to the casing, the inboard of interior end cover 1 is provided with oil blanket 2, be convenient for better sealed effect, the one end of first high strength bolt 6 is provided with locking mechanism.
In this embodiment, it is preferred, locking mechanism includes stopper 7, limiting plate 8, second high strength bolt 9 and guide block 11, the end fixing of first high strength bolt 6 has limiting block 7, the spacing groove has been seted up to one side of stopper 7, the side surface of interior end cover 1 is fixed with guide block 11, the inboard sliding connection of guide block 11 one end has limiting plate 8, limiting plate 8 cooperates through the spacing groove with stopper 7 and is connected, be convenient for restrict the rotation of first high strength bolt 6, the screw has been seted up to the inboard of limiting plate 8 one end, 9 threaded connection of second high strength bolt is in the one end of guide block 11, limiting plate 8 and guide block 11 carry out fixed connection through second high strength bolt 9 and screw, be convenient for restrict the slip between limiting plate 8 and the guide block 11.
In this embodiment, preferably, the one end of limiting plate 8 is fixed with anticreep piece 10, and anticreep piece 10 is provided with two, and another anticreep piece 10 is located the outside at limiting plate 8 middle part, is convenient for avoid limiting plate 8 and guide block 11 to separate.
In this embodiment, preferred, the length of stopper 7 equals with the outside diameter of 6 terminal surfaces of first high strength bolt, and the cooperation of the limiting plate 8 of being convenient for better passing through with stopper 7 restricts the rotation of first high strength bolt 6, and the spacing inslot side is provided with the friction arch.
In this embodiment, preferably, the inner end cap 1 and the bearing seat 4 are both annular, and the outer diameter of the bearing seat 4 is 2 mm to 15 mm larger than the outer diameter of the inner end cap 1, so as to avoid the inner end cap 1 from being too large relative to the outer diameter of the bearing seat 4, which may cause collision and damage with external objects.
In this embodiment, preferably, four to eight first high-strength bolts 6 are provided, and the plurality of first high-strength bolts 6 are uniformly distributed around the inner end cap 1, so as to better fix the inner end cap 1 and the bearing seat 4.
The utility model discloses a theory of operation and use flow: when in use, the outer labyrinth end cover 5 is clamped at one end of the bearing seat 4, then the first high-strength bolt 6 is screwed to fix the inner end cover 1 and the bearing seat 4, at the moment, the inner end cover 1 of the bearing seat 4 is conveniently sealed through the oil seal 2, the sealing effect is improved, the outer end of the bearing seat 4 is sealed through the outer labyrinth end cover 5, the sealing performance of the inner side of the bearing seat 4 is ensured, the air permeability of the inner bearing 3 in the inner cavity of the bearing seat 4 can also be ensured, when in maintenance, the inner end cover 1 and the inner bearing 3 can be separated to form a space which is enough for using a disassembling tool, the maintenance cost is greatly reduced, meanwhile, the limiting plate 8 is pushed into the limiting groove inner side of one side of the limiting block 7, the second high-strength bolt 9 is screwed to pass through the screw hole to move towards the inner side of the guide block 11, the rotation of the first high-, the first high-strength bolt 6 is separated from the inner side of the inner end cover 1, so that the use is inconvenient, the separation of the limiting plate 8 and the guide block 11 can be prevented through the anti-separation block 10, and the use effect of the device is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A crusher bearing block end cap sealing arrangement, includes main shaft (12), its characterized in that: the outer side of main shaft (12) is provided with bearing frame (4), the inboard rotation of bearing frame (4) is connected with inner bearing (3), the inboard card of bearing frame (4) one end is equipped with outer labyrinth end cover (5), the bearing frame (4) other end is provided with inner end cover (1), the inboard of inner end cover (1) is provided with first high strength bolt (6), inner end cover (1) and bearing frame (4) are through first high strength bolt (6) fixed connection, the inboard of inner end cover (1) is provided with oil blanket (2), the one end of first high strength bolt (6) is provided with locking mechanism that moves.
2. A crusher bearing block end cap seal according to claim 1 characterised in that: locking mechanism includes stopper (7), limiting plate (8), second high strength bolt (9) and guide block (11), the end fixing of first high strength bolt (6) has stopper (7), the spacing groove has been seted up to one side of stopper (7), the side surface of interior end cover (1) is fixed with guide block (11), the inboard sliding connection of guide block (11) one end has limiting plate (8), limiting plate (8) cooperate through the spacing groove with stopper (7) to be connected, the screw has been seted up to the inboard of limiting plate (8) one end, second high strength bolt (9) threaded connection is in the one end of guide block (11), fixed connection is carried out through second high strength bolt (9) and screw in limiting plate (8) and guide block (11).
3. A crusher bearing block end cap seal according to claim 2, characterised in that: the anti-falling device is characterized in that an anti-falling block (10) is fixed at one end of the limiting plate (8), two anti-falling blocks (10) are arranged at two positions, and the anti-falling block (10) is located at the outer side of the middle part of the limiting plate (8).
4. A crusher bearing block end cap seal according to claim 2, characterised in that: the length of the limiting block (7) is equal to the outer diameter of the end face of the first high-strength bolt (6), and the inner side of the limiting groove is provided with a friction bulge.
5. A crusher bearing block end cap seal according to claim 1 characterised in that: the inner end cover (1) and the bearing seat (4) are both annular, and the outer diameter of the bearing seat (4) is 2-15 mm larger than that of the inner end cover (1).
6. A crusher bearing block end cap seal according to claim 1 characterised in that: the first high-strength bolts (6) are four-eight in number, and the first high-strength bolts (6) are uniformly distributed around the inner end cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921203754.1U CN210265853U (en) | 2019-07-29 | 2019-07-29 | Crusher bearing block end cover sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921203754.1U CN210265853U (en) | 2019-07-29 | 2019-07-29 | Crusher bearing block end cover sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210265853U true CN210265853U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921203754.1U Active CN210265853U (en) | 2019-07-29 | 2019-07-29 | Crusher bearing block end cover sealing device |
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| Country | Link |
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| CN (1) | CN210265853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750604A (en) * | 2022-10-27 | 2023-03-07 | 江苏鼎麒轴承有限公司 | Rolling mill bearing seal assembly |
-
2019
- 2019-07-29 CN CN201921203754.1U patent/CN210265853U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750604A (en) * | 2022-10-27 | 2023-03-07 | 江苏鼎麒轴承有限公司 | Rolling mill bearing seal assembly |
| CN115750604B (en) * | 2022-10-27 | 2024-01-12 | 江苏鼎麒轴承有限公司 | Rolling mill bearing seal assembly |
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