CN214578384U - Sealing structure for belt roller bearing seat and shaft neck of bucket wheel machine - Google Patents
Sealing structure for belt roller bearing seat and shaft neck of bucket wheel machine Download PDFInfo
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- CN214578384U CN214578384U CN202022944994.6U CN202022944994U CN214578384U CN 214578384 U CN214578384 U CN 214578384U CN 202022944994 U CN202022944994 U CN 202022944994U CN 214578384 U CN214578384 U CN 214578384U
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Abstract
The utility model belongs to the technical field of bearing frame and journal seal technique and specifically relates to a bucket wheel machine belt roller bearing frame and journal seal structure, it is equipped with the bearing, bearing cap and journal, characterized in that bearing housing is on the journal, the bearing seals on the journal through the bearing cap, the bearing cap is equipped with annular last bevel connection and the bevel connection that has down sloping with the upper end and the lower extreme of the bearing cap of bearing junction symmetry respectively, be equipped with annular graphite packing in last bevel connection and the bevel connection that has down sloping, be equipped with top board and holding down plate respectively on the bearing cap of last bevel connection and bevel connection that has down sloping, the inner ring end of clamp plate is equipped with the clamp ring, is equipped with the through-hole on the top board, is equipped with locking bolt in the through-hole, the holding down plate on be equipped with the screwed pipe, the screwed pipe is connected with the holding down plate is perpendicular, the screwed pipe is connected with locking bolt, has simple structure, Convenient installation, good sealing effect, low cost, convenient manufacture and the like.
Description
Technical Field
The utility model belongs to the technical field of bearing frame and journal seal technique and specifically relates to a simple structure, simple to operate, sealed effectual, the cost is low, the convenient bucket wheel machine belt drum bearing frame of preparation and journal seal structure.
Background
As is well known, the bucket wheel machine is used as main equipment for stacking and taking coal of a power plant, the working environment is severe, when materials are conveyed by a bucket wheel machine belt, the sealing form between a bearing seat and a shaft neck on a bucket wheel machine belt roller is poor, so that coal powder easily enters the bearing seat to cause bearing lubrication failure, and the whole bucket wheel machine is stopped after the bearing is damaged, thereby seriously affecting the coal supply of the power plant.
Disclosure of Invention
The utility model aims at solving the deficiencies of the prior art, providing a bucket wheel machine belt roller bearing and axle journal seal structure that simple structure, simple to operate, sealed effectual, the cost is low, the preparation is convenient.
The utility model provides a technical scheme that its technical problem adopted is:
a sealing structure of a belt roller bearing seat and a shaft neck of a bucket wheel machine is provided with a bearing, a bearing cover and a shaft neck, and is characterized in that the bearing is sleeved on the shaft neck, the bearing is sealed on the shaft neck through the bearing cover, the upper end and the lower end of the bearing cover at the joint of the bearing cover and the bearing are respectively and symmetrically provided with an annular upper inclined cutting opening and an annular lower inclined cutting opening, annular graphite packing is symmetrically arranged in the upper inclined cutting opening and the lower inclined cutting opening respectively, the annular graphite packing is in a right-angled triangle shape in cross section, the tip of the annular graphite packing in the right-angled triangle shape faces the inner side, one right-angled edge of the annular graphite packing in the right-angled triangle shape in cross section is contacted with the shaft neck, the other right-angled edge of the annular graphite packing in the right-angled triangle shape in cross section is vertical to the shaft neck, and the bearing covers of the upper inclined cutting opening and the lower inclined cutting opening are respectively provided with an upper pressing plate and a lower pressing plate, the annular graphite packing is pressed in an inclined bevel and an inclined bevel on the lower part through an upper pressing plate and a lower pressing plate respectively, the upper pressing plate and the lower pressing plate are both annular, a pressing ring is arranged at the inner ring end of the pressing plate, the pressing ring is arranged into an annular body with a right trapezoid cross section, the inclined plane of the annular body of the right trapezoid is contacted with the inclined bevel and the inclined bevel respectively, a through hole is formed in the upper pressing plate, a locking bolt is arranged in the through hole, a through hole which is the same as the through hole in position is formed in a bearing cover, a threaded pipe which corresponds to the through hole in position is arranged on the lower pressing plate, the threaded pipe is vertically connected with the lower pressing plate, the threaded pipe penetrates through the through hole in the bearing cover and is connected with the locking bolt, and the threaded pipe is locked through the locking bolt so as to tightly press the pressing rings on the upper pressing plate and the lower pressing plate.
The inclination angle of the upper inclined cutting opening and the lower inclined cutting opening is 30-45 degrees, and the sealing effect is better.
The through-hole on the top board be equipped with four at least and evenly distributed on the circumference of top board, the position that passes the screwed pipe on hole and the through-hole and the bottom board on the bearing cap corresponding, the sealed effect of increase.
The utility model discloses owing to adopt above-mentioned structure, have simple structure, simple to operate, sealed effectual, the cost is low, preparation advantage such as convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in the attached drawing, the sealing structure for the belt roller bearing seat and the shaft neck of the bucket wheel machine is provided with a bearing 1, a bearing cover 2 and the shaft neck 3, and is characterized in that the bearing 1 is sleeved on the shaft neck 3, the bearing 1 is sealed on the shaft neck 3 through the bearing cover 2, the upper end and the lower end of the bearing cover 2 at the joint of the bearing cover 2 and the bearing 1 are respectively and symmetrically provided with an annular upper inclined section 4 and an annular lower inclined section 5, annular graphite packing 6 is respectively and symmetrically arranged in the upper inclined section 4 and the lower inclined section 5, the annular graphite packing 6 is designed into a right-angled triangle shape, the tip of the annular graphite packing 6 with the right-angled triangle shape in cross section faces the inner side, one edge of the annular graphite packing 6 with the right-angled triangle shape in cross section is contacted with the shaft neck 3, the other edge of the annular graphite packing 6 with the right-angled triangle shape in cross section is vertical to the shaft neck 3, an upper pressing plate 7 and a lower pressing plate 8 are respectively arranged on the bearing cover 2 of the upper inclined groove 4 and the lower inclined groove 5, the annular graphite packing 6 is respectively pressed in the upper inclined groove 4 and the lower inclined groove 5 through the upper pressing plate 7 and the lower pressing plate 8, the upper pressing plate 7 and the lower pressing plate 8 are both annular, a pressing ring 9 is arranged at the inner ring end of the pressing plate, the pressing ring 9 is an annular body with a right trapezoid-angle section, the inclined surface of the annular body is respectively contacted with the upper inclined groove 4 and the lower inclined groove 5, a through hole is arranged on the upper pressing plate 7, a locking bolt 10 is arranged in the through hole, a through hole with the same position as the through hole is arranged on the bearing cover 2, a threaded pipe 11 corresponding to the through hole is arranged on the lower pressing plate 8, the threaded pipe 11 is vertically connected with the lower pressing plate 8, the threaded pipe 11 passes through the through hole on the bearing cover 2 and is connected with the locking bolt 10, the threaded pipe 11 is locked through the locking bolt 10, so that the compression rings 9 on the upper pressure plate 7 and the lower pressure plate 8 are tightly pressed on the graphite packing 6.
Furthermore, the inclination angles of the upper inclined section 4 and the lower inclined section 5 are 30-45 degrees, so that the sealing effect is better.
Furthermore, the through holes on the upper pressure plate are at least four and are uniformly distributed on the circumference of the upper pressure plate, the through holes on the bearing cover 2 correspond to the through holes and the threaded pipes 11 on the lower pressure plate, and the sealing effect is improved.
The utility model discloses when using, install bearing 1 behind axle journal 3, overlap 8 covers of holding down plate on axle journal 3 again, will install with 8 corresponding graphite packing of holding down plate again, install bearing cap 2 again, holding down plate 8 on screwed pipe 11 pass the hole that passes on the bearing cap 2, install the graphite packing of upside again, install top board 7, be connected with screwed pipe 11 through locking bolt 10, and then make holding down plate 8 and top board 7 tight pressure in both sides, increase the stability of structure, sealed effect is better, and axle journal 3 rotates more stably, the utility model discloses owing to adopt above-mentioned structure, have advantages such as simple structure, simple to operate, sealed effectual, the cost is low, the preparation is convenient.
Claims (3)
1. A sealing structure of a belt roller bearing seat and a shaft neck of a bucket wheel machine is provided with a bearing, a bearing cover and a shaft neck, and is characterized in that the bearing is sleeved on the shaft neck, the bearing is sealed on the shaft neck through the bearing cover, the upper end and the lower end of the bearing cover at the joint of the bearing cover and the bearing are respectively and symmetrically provided with an annular upper inclined cutting opening and an annular lower inclined cutting opening, annular graphite packing is symmetrically arranged in the upper inclined cutting opening and the lower inclined cutting opening respectively, the annular graphite packing is in a right-angled triangle shape in cross section, the tip of the annular graphite packing in the right-angled triangle shape faces the inner side, one right-angled edge of the annular graphite packing in the right-angled triangle shape in cross section is contacted with the shaft neck, the other right-angled edge of the annular graphite packing in the right-angled triangle shape in cross section is vertical to the shaft neck, and the bearing covers of the upper inclined cutting opening and the lower inclined cutting opening are respectively provided with an upper pressing plate and a lower pressing plate, the annular graphite packing is pressed in an inclined bevel and an inclined bevel on the lower part through an upper pressing plate and a lower pressing plate respectively, the upper pressing plate and the lower pressing plate are both annular, a pressing ring is arranged at the inner ring end of the pressing plate, the pressing ring is arranged into an annular body with a right trapezoid cross section, the inclined plane of the annular body of the right trapezoid is contacted with the inclined bevel and the inclined bevel respectively, a through hole is formed in the upper pressing plate, a locking bolt is arranged in the through hole, a through hole which is the same as the through hole in position is formed in a bearing cover, a threaded pipe which corresponds to the through hole in position is arranged on the lower pressing plate, the threaded pipe is vertically connected with the lower pressing plate, the threaded pipe penetrates through the through hole in the bearing cover and is connected with the locking bolt, and the threaded pipe is locked through the locking bolt so as to tightly press the pressing rings on the upper pressing plate and the lower pressing plate.
2. The bucket turbine belt roller bearing housing and journal sealing structure of claim 1, wherein the angle of inclination of the upper and lower inclined sections is 30-45 degrees.
3. The bucket wheel machine belt roller bearing block and journal sealing structure according to claim 1, wherein the through holes of the upper pressure plate are provided with at least four and evenly distributed on the circumference of the upper pressure plate, and the through holes of the bearing cover correspond to the through holes and the threaded pipes on the lower pressure plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022944994.6U CN214578384U (en) | 2020-12-11 | 2020-12-11 | Sealing structure for belt roller bearing seat and shaft neck of bucket wheel machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022944994.6U CN214578384U (en) | 2020-12-11 | 2020-12-11 | Sealing structure for belt roller bearing seat and shaft neck of bucket wheel machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214578384U true CN214578384U (en) | 2021-11-02 |
Family
ID=78364504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022944994.6U Active CN214578384U (en) | 2020-12-11 | 2020-12-11 | Sealing structure for belt roller bearing seat and shaft neck of bucket wheel machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214578384U (en) |
-
2020
- 2020-12-11 CN CN202022944994.6U patent/CN214578384U/en active Active
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