CN215058934U - Bearing sealing device for air-locking and ash-discharging equipment - Google Patents
Bearing sealing device for air-locking and ash-discharging equipment Download PDFInfo
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- CN215058934U CN215058934U CN202121653215.5U CN202121653215U CN215058934U CN 215058934 U CN215058934 U CN 215058934U CN 202121653215 U CN202121653215 U CN 202121653215U CN 215058934 U CN215058934 U CN 215058934U
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- air
- oil seal
- locking
- ash
- discharging shell
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Abstract
The utility model discloses a bearing sealing device for air-locking dust discharging equipment, which comprises an air-locking dust discharging shell; the left end and the right end of the air-locking ash-discharging shell are respectively connected with the plugging end covers through flange plates; a core shaft is arranged in the air-locking ash discharging shell, and two ends of the core shaft are respectively connected with bearing seats arranged on the plugging end covers; the plugging end covers are respectively provided with an oil seal bracket; an oil seal retainer ring is arranged between the oil seal bracket and the mandrel; a step platform is arranged on one side of the oil seal support, and an elastic retainer ring for holes is arranged on the other side of the oil seal support; the oil seal retainer ring is clamped between the step platform and the elastic retainer ring for the hole and is connected with the outer diameter of the mandrel in a sealing way. Dust in the air-locking dust discharging shell cannot leak into the bearing seat, and stable operation of the mandrel is guaranteed. The oil seal support is used for installing an oil seal check ring, plays roles of sealing and limiting, the elastic check ring for the hole is inserted into the annular groove, plays a role of limiting the oil seal check ring, guarantees that the oil seal check ring cannot move, and dust in the air-locking ash discharging shell cannot enter the bearing seat.
Description
Technical Field
The utility model belongs to the technical field of the dust is explosion-proof, concretely relates to a bearing seal device for lock gas dust unloading equipment.
Background
In recent years, with the enhancement of safety supervision, the safety accident of dust explosion is more and more concerned by people. The air-locking ash-discharging device is widely applied to the woodworking industry, and is used for separating dust and avoiding dust and gas from forming dust cloud.
At present, the inside of the air-locking dust discharging device is all dust, so that after long-time operation, the dust easily enters the inside of the bearing from a gap under high pressure and high wind speed, the bearing is damaged, the air-locking dust discharging is stopped due to failure, and the normal production progress and the requirement of safe operation are influenced.
Therefore, it has become an important issue to solve the problem of bearing sealing performance of the air-lock dust discharging device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above technical problem existing in the prior art and providing a bearing sealing device for locking gas ash discharging equipment to overcome the not enough of prior art.
In order to achieve the above purpose, the utility model discloses a technical scheme is:
a bearing sealing device for air-locking dust discharging equipment comprises an air-locking dust discharging shell; the upper end and the lower end of the air-locking ash-discharging shell are respectively provided with an air inlet and an air outlet;
the left end and the right end of the air-locking ash-discharging shell are respectively and fixedly connected with the plugging end cover through a flange plate, and a sealing gasket is arranged between the flange plate and the plugging end cover; a spindle with blades is arranged in the air-locking ash discharging shell, and two ends of the spindle are respectively and mutually and rotatably connected with bearing seats arranged on the plugging end covers;
one end of the air-locking and ash-discharging shell is provided with a speed reducing motor fixedly connected with the air-locking and ash-discharging shell through a motor base, and a rotating shaft of the speed reducing motor is in transmission connection with the mandrel through a shaft sleeve;
the key points are that oil seal supports arranged in the air-locking ash-discharging shell are respectively arranged on the plugging end covers, and the oil seal supports are fixed at the connecting part of the mandrel and the plugging end covers; an oil seal retainer ring is arranged between the oil seal bracket and the mandrel;
a stepped platform protruding towards the direction of the mandrel is arranged on one side, close to the plugging end cover, of the oil seal support, an annular groove recessed towards the direction of the mandrel is arranged on one side, away from the plugging end cover, of the oil seal support, and an elastic check ring for holes is inserted in the annular groove in a matched mode;
the oil seal retainer ring is clamped between the step platform and the elastic retainer ring for the hole and is connected with the outer diameter of the mandrel in a sealing mode.
The utility model discloses rational in infrastructure, the dust in the lock gas ash discharging shell can not leak and gets into the bearing frame in, has guaranteed the steady operation of dabber. The oil seal support is used for installing an oil seal check ring, plays roles of sealing and limiting, the elastic check ring for the hole is inserted into the annular groove, plays a role of limiting the oil seal check ring, guarantees that the oil seal check ring cannot move, and dust in the air-locking ash discharging shell cannot enter the bearing seat.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic top view of the structure of the present invention;
fig. 4 is a left side view of the structure of the present invention.
In the figure, 1, an end cover 2 is plugged, a support 3 is sealed, an air-locking and ash-discharging shell 4 is sealed, a mandrel 5 is arranged, a bearing block 6 is arranged, a motor base 7 is arranged, a shaft sleeve 8 is arranged, a speed reducing motor 9 is arranged, a bolt 10 is arranged, a sealing gasket 11 is arranged, an elastic retainer ring 12 for hole is arranged, an oil seal retainer ring 13 is arranged, and a step platform is arranged.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to fig. 1 to 4, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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 to 4, the bearing sealing device for the air-lock dust discharging device of the present invention comprises an air-lock dust discharging housing 3; the upper end and the lower end of the air-locking ash-discharging shell 3 are respectively provided with an air inlet and an air outlet;
the left end and the right end of the air-locking ash-discharging shell 3 are respectively and fixedly connected with the plugging end cover 1 through a flange plate, and a sealing gasket 10 is arranged between the flange plate and the plugging end cover 1; a spindle 4 with blades is arranged in the air-locking ash-discharging shell 3, and two ends of the spindle 4 are respectively and mutually and rotatably connected with a bearing seat 5 arranged on the plugging end cover 1;
one end of the air-locking and ash-discharging shell 3 is provided with a speed reducing motor 8 fixedly connected with the air-locking and ash-discharging shell through a motor base 6, and a rotating shaft of the speed reducing motor 8 is in transmission connection with the mandrel 4 through a shaft sleeve 7;
the plugging end covers 1 are respectively provided with an oil seal support 2 arranged inside the air-locking and ash-discharging shell 3, and the oil seal supports 2 are fixed at the connecting part of the mandrel 4 and the plugging end covers 1; an oil seal retainer ring 12 is arranged between the oil seal bracket 2 and the mandrel 4;
a step platform 13 protruding towards the direction of the mandrel 4 is arranged on one side, close to the plugging end cover 1, of the oil seal support 2, an annular groove recessed towards the direction of the mandrel 4 is arranged on one side, away from the plugging end cover 1, of the oil seal support 2, and a circlip 11 for holes is inserted into the annular groove in a matched mode;
the oil seal retainer ring 12 is clamped between the step platform 13 and the circlip for hole 11 and is connected with the outer diameter of the mandrel 4 in a sealing way.
When the air-locking ash discharging device works, dust generated by internal ash discharging is sealed inside the air-locking ash discharging shell by the oil seal retainer ring, so that a bearing seat is prevented from being in direct contact with the dust, the service life of the bearing seat is effectively prolonged, the problem of fault shutdown caused by damage of the bearing seat during air-locking ash discharging is solved, and the bearing seat is fixed on the plugging end cover through the bolt 9 and is convenient to detach and maintain.
The utility model discloses rational in infrastructure, the dust in the lock gas ash discharging shell can not leak and gets into the bearing frame in, has guaranteed the steady operation of dabber. The oil seal support is used for installing an oil seal check ring, plays roles of sealing and limiting, the elastic check ring for the hole is inserted into the annular groove, plays a role of limiting the oil seal check ring, guarantees that the oil seal check ring cannot move, and dust in the air-locking ash discharging shell cannot enter the bearing seat.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (1)
1. A bearing sealing device for air-lock dust discharging equipment comprises an air-lock dust discharging shell (3); the upper end and the lower end of the air-locking ash-discharging shell (3) are respectively provided with an air inlet and an air outlet;
the left end and the right end of the air-locking ash-discharging shell (3) are respectively and fixedly connected with the plugging end cover (1) through a flange plate, and a sealing gasket (10) is arranged between the flange plate and the plugging end cover (1); a spindle (4) with blades is arranged in the air-locking ash-discharging shell (3), and two ends of the spindle (4) are respectively and mutually and rotatably connected with a bearing seat (5) arranged on the plugging end cover (1);
one end of the air-locking and ash-discharging shell (3) is provided with a speed reducing motor (8) fixedly connected with the air-locking and ash-discharging shell through a motor base (6), and a rotating shaft of the speed reducing motor (8) is in transmission connection with the mandrel (4) through a shaft sleeve (7);
the method is characterized in that: the plugging end covers (1) are respectively provided with an oil seal support (2) arranged inside the air-locking and ash-discharging shell (3), and the oil seal supports (2) are fixed at the connecting part of the core shaft (4) and the plugging end covers (1); an oil seal retainer ring (12) is arranged between the oil seal support (2) and the mandrel (4);
one side, close to the plugging end cover (1), of the oil seal support (2) is provided with a step platform (13) protruding towards the direction of the mandrel (4), one side, far away from the plugging end cover (1), of the oil seal support (2) is provided with an annular groove recessed towards the direction of the mandrel (4), and an elastic check ring (11) for holes is inserted in the annular groove in a matched mode;
the oil seal retainer ring (12) is clamped between the step platform (13) and the elastic retainer ring (11) for the hole and is connected with the outer diameter of the mandrel (4) in a sealing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121653215.5U CN215058934U (en) | 2021-07-20 | 2021-07-20 | Bearing sealing device for air-locking and ash-discharging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121653215.5U CN215058934U (en) | 2021-07-20 | 2021-07-20 | Bearing sealing device for air-locking and ash-discharging equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215058934U true CN215058934U (en) | 2021-12-07 |
Family
ID=79222159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121653215.5U Active CN215058934U (en) | 2021-07-20 | 2021-07-20 | Bearing sealing device for air-locking and ash-discharging equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215058934U (en) |
-
2021
- 2021-07-20 CN CN202121653215.5U patent/CN215058934U/en active Active
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