CN211202877U - Shaft end seal of roller screen - Google Patents
Shaft end seal of roller screen Download PDFInfo
- Publication number
- CN211202877U CN211202877U CN201821699943.8U CN201821699943U CN211202877U CN 211202877 U CN211202877 U CN 211202877U CN 201821699943 U CN201821699943 U CN 201821699943U CN 211202877 U CN211202877 U CN 211202877U
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- China
- Prior art keywords
- gland
- end cover
- sealing
- sealing ring
- tool
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007789 sealing Methods 0.000 claims abstract description 66
- 210000004907 gland Anatomy 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 7
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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- Sealing Devices (AREA)
Abstract
A shaft end seal of a roller screen consists of an end cover, a gland and a seal ring; the end cover and the gland are in a circular ring-shaped capping structure and are respectively formed by combining two symmetrical half body structures; a sealing chamber is arranged at the shaft hole part of the end cover, a gland groove is arranged on the side end surface, and tool threaded holes are uniformly arranged along the edge opening of the outer ring; the gland is provided with a positioning turned edge which is matched with the gland groove, and tool holes which are matched with the end cover tool threaded holes are uniformly arranged along the outer ring edge opening; the sealing ring is of an annular structure and is arranged in a sealing chamber of the end cover, and a gland is arranged outside the sealing chamber; the gland is installed in a gland groove of the end cover through the matching of the positioning turning edge, and is fixedly connected with a tool threaded hole of the end cover through a tool hole by using a fixing bolt. Has the advantages that: the sealing element is convenient to replace, install and maintain; the abrasion of the shaft neck sealing part is reduced, and the service life of the sealing element is prolonged; the labor intensity of maintenance personnel is reduced, and the investment cost is reduced, so that the comprehensive economic benefit is improved.
Description
Technical Field
The utility model particularly relates to a seal structure of roller bearing sieve axle head installation.
Background
The screen frame of the roller screen is provided with a plurality of rollers with different heights, and the screen shafts are arranged according to different working angles, so that the speed is higher when materials run at a position with a higher working angle; when the material runs at a position with a lower working angle, the speed is smoother. The materials under two different speeds are moved axially when the positions of the screen surfaces meet, so that the materials are uniformly distributed on the screen surfaces, and the aim of improving the screening efficiency is fulfilled.
Because install a plurality of roller bearings on the roller bearing sieve, the roller bearing supports and all installs in the reel outside, need install the axle head seal between roller bearing and the reel, current sealing device is sealed through felt or packing to compress tightly on the reel terminal surface with the flange, after operation a period, mutual wearing and tearing problem can appear simultaneously in roller bearing and sealing member, have the buggy to spill after producing the clearance, not only aggravate wearing and tearing, be unfavorable for the environment clean and tidy moreover, cause dust pollution.
Disclosure of Invention
The utility model aims at solving the problem that the shaft end of the roller screen is not firm in sealing, easy to wear and tear, complex in installation and maintenance, and providing a novel shaft end sealing structure of a tool structure.
In order to achieve the purpose, the technical scheme adopted by the utility model is that a novel tool sealing cover structure is adopted, a split structure is utilized to be matched and fixed, a sealing chamber is arranged to be provided with a sealing ring, and the problem of inconvenient installation and use of the sealing element is solved; the sealing compensation condition of the sealing element is changed by matching the sealing element and the gland, the sealing time is prolonged, and the abrasion is reduced.
The utility model discloses a roller screen shaft end seal, which consists of an end cover, a gland and a sealing ring; the end cover and the gland are in circular ring-shaped cap structures and are respectively formed by combining two symmetrical half-body structures; a sealing chamber is arranged at the position of an end cover shaft hole of the end cover, a gland groove is arranged on the side end face, and tool threaded holes are uniformly formed along the outer ring edge opening; the gland is provided with a positioning turned edge which is matched with the gland groove, and tool holes which are matched with the end cover tool threaded holes are uniformly arranged along the outer ring edge; the sealing ring is of an annular structure and is arranged in a sealing chamber of the end cover, and a gland is arranged outside the sealing chamber; the gland is installed in a gland groove of the end cover in a positioning and turning-over matching mode and is fixedly connected with a tool threaded hole of the end cover through a tool hole by using a fixing bolt.
The end cover is fixedly welded on the shell at the extending position of the rolling shaft.
The diameter of the end cover shaft hole on the end cover is the same as that of the gland shaft hole on the gland, and the diameter of the end cover shaft hole is smaller than that of the roller.
The diameter of the sealing ring shaft hole of the sealing ring is the same as that of the rolling shaft.
A labyrinth groove is formed in a sealing ring shaft hole of the sealing ring, and elastic containing grooves are formed in end faces of two sides of the sealing ring.
The sealing ring is made of polyurethane materials.
The beneficial effects of the utility model reside in that: the roller can be installed without disassembling the roller, and the sealing element is convenient to replace, install and maintain; the abrasion of the shaft neck sealing part is reduced, and the service life of the sealing element is prolonged; the labor intensity of maintenance personnel is reduced, and the investment cost is reduced, so that the comprehensive economic benefit is improved.
Drawings
FIG. 1 is a schematic view of the assembly structure of the present invention;
FIG. 2 is a schematic sectional view of the end cap of the present invention;
FIG. 3 is a schematic view of the front view structure of the end cap of the present invention;
FIG. 4 is a schematic sectional view of the gland of the present invention;
FIG. 5 is a schematic view of the gland in elevation;
FIG. 6 is a schematic diagram of the structure of the sealing ring of the present invention;
in the drawings: the sealing device comprises a shell 1, a rolling shaft 2, an end cover 3, an end cover shaft hole 31, a sealing chamber 32, a gland groove 33, a tooling threaded hole 34, a gland 4, a gland shaft hole 41, a positioning flange 42, a tooling hole 43, a sealing ring 5, a sealing ring shaft hole 51, a labyrinth groove 52, an elastic containing groove 53 and a fixing bolt 6.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to the attached drawings 1-6, the shaft end seal of the roller screen of the utility model is composed of an end cover 3, a gland 4 and a seal ring 5; the end cover 3 and the gland 4 are in circular ring-shaped sealing cover structures and are respectively formed by combining two symmetrical half-body structures; a sealing chamber 32 is arranged at the position of an end cover shaft hole 31 of the end cover 3, a gland groove 33 is arranged on the side end face, and tool threaded holes 34 are uniformly arranged along the outer ring edge; the gland 4 is provided with a positioning turned edge 42 which is matched with the gland groove 33, and tool holes 43 which are matched with the tool threaded holes 34 of the end cover 3 are uniformly arranged along the outer ring edge; the sealing ring 5 is of an annular structure and is arranged in a sealing chamber 32 of the end cover 3, and a gland 4 is arranged outside the sealing chamber 32; the gland 4 is installed in the gland groove 33 of the end cover 3 in a matching mode through the positioning turned edge 42, and is fixedly connected with the tooling threaded hole 34 of the end cover 3 through the tooling hole 43 by using the fixing bolt 6.
The end cover 3 is fixedly welded on the shell 1 at the extending position of the roller 2.
The end cover shaft hole 31 on the end cover 3 and the gland shaft hole 41 on the gland 4 have the same diameter, and the diameter is smaller than that of the roller 2.
The diameter of the seal ring shaft hole 51 of the seal ring 5 is the same as that of the roller 2.
The seal ring shaft hole 51 of the seal ring 5 is provided with a labyrinth groove 52, and the end surfaces of the two sides are provided with elastic containing grooves 53.
The sealing ring 5 is made of polyurethane material.
Examples
As shown in the attached drawings 1-6, the installation structure schematic diagram of the shaft end seal of the roller screen of the utility model has the following specific installation process:
1. the end covers 3 of the two half-body structures are respectively and sequentially arranged on the shell 1 at two sides of the rolling shaft 2, and are welded and fixed on the shell 1 after the shaft holes 31 and the sealing chambers 32 of the end covers of the two half-body structures are completely aligned;
2. sleeving the single-side opening of the sealing ring 5 on the roller 2, and placing the sealing ring into the sealing chamber 32 of the end cover 3;
3. the pressing covers 4 of the two half-body structures are respectively and sequentially arranged on the end faces of the end covers 3 of the two half-body structures in an aligned mode, the positioning turned edges 42 are arranged in the pressing cover grooves 33 of the end covers 3, and the tool holes 43 on the positioning turned edges are respectively arranged in one-to-one correspondence with the tool threaded holes 34 of the end covers 3;
4. a fixing bolt 6 is inserted into each tool hole 43 of the gland 4, the gland 4 is fixed on the end face of the end cover 3, and the seal ring 5 is completely sealed in the seal chamber 32 of the end cover 3.
In the process, the rolling shaft 2 does not need to be disassembled in the whole installation process of the end cover 3, the gland 4 and the sealing ring 5, and the construction operation is simple and convenient; the sealing ring 5 is provided with a labyrinth groove 52 and an elastic containing groove 53, the labyrinth groove 52 has good structure and leak-proof sealing performance and can prevent dust pollution, the elastic containing groove 53 can adjust the abrasion inner diameter of the compensating sealing ring 5 by adjusting the pretightening force of the fixing bolt 6 and utilizing the extrusion of the gland 4, so that the service life of the sealing ring 5 is prolonged, and the specification of the labyrinth groove 52 can be correspondingly adjusted to be two or three according to the width of the sealing ring 5; in the use, end cover 3 and gland 4 do not contact with roller bearing 2, and the wearout loss does not need to be changed sealing washer 5 can, and the maintenance cost is low, has improved greatly the utility model discloses a synthesize economic benefits.
Claims (6)
1. A roller screen shaft end seal is characterized in that: consists of an end cover (3), a gland (4) and a sealing ring (5); the end cover (3) and the gland (4) are in circular ring-shaped sealing cover structures and are respectively formed by combining two symmetrical half-body structures; a sealing chamber (32) is arranged at the position of an end cover shaft hole (31) of the end cover (3), a gland groove (33) is arranged on the side end face, and tool threaded holes (34) are uniformly formed along the outer ring edge opening; a positioning turned edge (42) which is matched with the gland groove (33) is arranged on the gland (4), and tool holes (43) which are matched with the tool threaded holes (34) of the end cover (3) are uniformly arranged along the outer ring edge; the sealing ring (5) is of an annular structure and is arranged in a sealing chamber (32) of the end cover (3), and a gland (4) is arranged on the outer side of the sealing chamber (32); the gland (4) is installed in a gland groove (33) of the end cover (3) in a matched mode through the positioning turned edge (42), and is fixedly connected with a tooling threaded hole (34) of the end cover (3) through a tooling hole (43) by using a fixing bolt (6).
2. The roller screen end seal of claim 1, wherein: the end cover (3) is fixedly welded on the shell (1) at the extending position of the rolling shaft (2).
3. The roller screen end seal of claim 1, wherein: the diameter of an end cover shaft hole (31) on the end cover (3) is the same as that of a gland shaft hole (41) on the gland (4), and the diameter of the end cover shaft hole is smaller than that of the roller (2).
4. The roller screen end seal of claim 1, wherein: the diameter of a sealing ring shaft hole (51) of the sealing ring (5) is the same as that of the rolling shaft (2).
5. The roller screen end seal of claim 1, wherein: a labyrinth groove (52) is arranged on a sealing ring shaft hole (51) of the sealing ring (5), and elastic containing grooves (53) are arranged on the end faces of the two sides.
6. The roller screen end seal of claim 1, wherein: the sealing ring (5) is made of polyurethane material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821699943.8U CN211202877U (en) | 2018-10-19 | 2018-10-19 | Shaft end seal of roller screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821699943.8U CN211202877U (en) | 2018-10-19 | 2018-10-19 | Shaft end seal of roller screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211202877U true CN211202877U (en) | 2020-08-07 |
Family
ID=71850366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821699943.8U Active CN211202877U (en) | 2018-10-19 | 2018-10-19 | Shaft end seal of roller screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211202877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263935A (en) * | 2022-08-01 | 2022-11-01 | 泰尔重工股份有限公司 | Dry oil sealing structure |
-
2018
- 2018-10-19 CN CN201821699943.8U patent/CN211202877U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263935A (en) * | 2022-08-01 | 2022-11-01 | 泰尔重工股份有限公司 | Dry oil sealing structure |
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