CN215427685U - Drum-shaped filter screen hub - Google Patents
Drum-shaped filter screen hub Download PDFInfo
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- CN215427685U CN215427685U CN202121704115.0U CN202121704115U CN215427685U CN 215427685 U CN215427685 U CN 215427685U CN 202121704115 U CN202121704115 U CN 202121704115U CN 215427685 U CN215427685 U CN 215427685U
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- drum
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Abstract
The utility model belongs to the technical field of drum-shaped filter screen equipment, and particularly relates to a drum-shaped filter screen hub, which comprises: the method comprises the following steps: the hub comprises a hub base, a hub boss, a hub lateral supporting plate, a plurality of lateral connecting bolt through holes, a plurality of axial connecting bolt through holes and a plurality of reinforcing rib plates A; in the operation process of the drum-shaped filter screen, the shearing force in the circumferential surface direction of the spoke is converted into the axial force of the axial connecting bolt connected with the boss of the hub on the circumferential side surface of the spoke, so that the shearing force between the circumferential surface direction of the spoke and the lateral connecting bolt on the lateral supporting flat plate of the hub is reduced, the strength of the drum framework is effectively improved, and the operation reliability of equipment is improved.
Description
Technical Field
The utility model belongs to the technical field of drum-shaped filter screen equipment, and particularly relates to a drum-shaped filter screen hub.
Background
The drum filter screen is a main filtering device in an important service water system of a nuclear power station, the filtering function of the drum filter screen is realized by a drum framework formed by connecting spokes and hubs, the hubs of the drum filter screen are basic supporting elements of the whole filtering component, and the reliability of the structural form directly influences the realization of the function of the whole device. At present, the drum-shaped filter screen wheel hub and the spoke in China are mainly fixed by a row of bolts, the side face of the wheel hub is connected with the side face of a main spoke, and under the existing wheel hub structure form, the shearing force borne by the bolts for connecting the side face of the wheel hub and the side face of the main spoke is large, so that the spoke is prone to deviation caused by looseness, and the spoke collides and rubs with a civil structure to generate risks to equipment quality.
Therefore, a novel drum-shaped filter screen hub structure needs to be designed, the shearing force of the connecting bolts on the side surface of the hub can be converted into the axial force of the connecting bolts on the bottom surface of the hub, axial restraint is provided, and the problem of spoke deviation of the drum-shaped filter screen is fundamentally solved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a drum-shaped filter screen hub aiming at the prior art and used for solving the technical problem that when the existing drum-shaped filter screen hub structure is connected with a spoke, a connecting bolt is subjected to larger shearing force, so that the spoke is easy to deviate.
The technical scheme of the utility model is as follows:
a drum screen hub, comprising: the hub comprises a hub base, a hub boss, a hub lateral supporting plate, a plurality of lateral connecting bolt through holes, a plurality of axial connecting bolt through holes and a plurality of reinforcing rib plates A; a hub lateral supporting plate is arranged on the hub base, a hub boss is arranged on one side surface of the hub lateral supporting plate, and a plurality of reinforcing rib plates A are arranged on the other side surface of the hub lateral supporting plate; the hub base, the hub boss and the hub lateral support plate are of an integrated connection structure, and a plurality of lateral connection bolt through holes are uniformly formed in the lateral surface of the hub lateral support plate; a plurality of axial connecting bolt through holes are formed in the surface of the boss of the hub.
The hub base is integrally of a hollow cylinder structure, and the hub lateral supporting plate is integrally fixed on the circumferential outer surface of the hub base in an annular plate-shaped structure.
One side of each reinforcing rib plate A is fixedly arranged on the circumferential outer surface of the hub lateral supporting plate, the other side of each reinforcing rib plate A is uniformly arranged along the circumferential outer surface of the hub base, and all the reinforcing rib plates A, the hub base and the hub lateral supporting flat plate are of an integrated casting structure.
The number of the reinforcing rib plates A is eight, and the interval between every two reinforcing rib plates A on the circumferential outer surface of the hub base 1 is 45 degrees.
The hub boss is integrally of a hollow circular ring structure, the hub boss is provided with a side face of the hub lateral support plate which is not provided with the reinforcing rib plate A, and the hub boss and the side face of the hub lateral support plate are arranged in a right angle mode.
The hub boss is also provided with a plurality of reinforcing rib plates B, and all the reinforcing rib plates B are arranged around the inner wall of the hub boss in 360 degrees.
The number of the reinforcing rib plates B is 24, and the interval between every two reinforcing rib plates B is 15 degrees.
The utility model has the beneficial effects that:
(1) the drum-shaped filter screen hub designed by the utility model is additionally provided with the hub boss structure on the basis of the original hub structure, so that the positioning precision of the spoke can be improved when the spoke is installed;
(2) in the running process of the drum-shaped filter screen, the self gravity and seawater resistance of the drum-shaped filter screen wheel hub designed by the utility model are mostly born by the wheel hub boss, and the shearing force of the lateral plane of the spoke and the lateral connecting bolt of the wheel hub lateral supporting flat plate is converted into the axial force of the axial connecting bolt connected with the bottom plane of the spoke and the wheel hub boss, so that the shearing force of the lateral plane of the spoke and the lateral connecting bolt on the wheel hub lateral supporting flat plate is reduced, the strength of the drum skeleton is effectively improved, and the running reliability of equipment is increased.
Drawings
FIG. 1 is a cross-sectional view of a drum screen hub construction designed in accordance with the present invention;
FIG. 2 is a front isometric view of a drum screen hub designed in accordance with the present invention;
FIG. 3 is a reverse isometric view of a drum screen hub designed according to the present invention.
FIG. 4 is a schematic view of a drum screen hub with spokes attached thereto in accordance with the present invention.
In the figure: 1-hub base, 2-hub boss, 3-hub lateral support plate, 4-lateral connecting bolt through hole, 5-axial connecting bolt through hole, 6-reinforcing rib plate A, 7-reinforcing rib plate B and 8-spoke
Detailed Description
A drum screen hub according to the present invention is described in detail below with reference to the accompanying drawings and examples.
The utility model designs a drum filter screen hub structure as shown in figure 1, which specifically comprises: the hub comprises a hub base 1, a hub boss 2, a hub lateral support plate 3, a plurality of lateral connecting bolt through holes 4, a plurality of axial connecting bolt through holes 5 and a plurality of reinforcing rib plates A6; the hub base 1 is provided with a hub lateral support plate 3, one side surface of the hub lateral support plate 3 is provided with a hub boss 2, and the other side surface of the hub lateral support plate 3 is provided with a plurality of reinforcing rib plates A6; the hub base 1, the hub boss 2 and the hub lateral support flat plate 3 are of an integrated connection structure, and a plurality of lateral connection bolt through holes 4 are uniformly formed in the lateral surface of the hub lateral support plate 3; a plurality of axial connecting bolt through holes 5 are formed in the surface of the hub boss 2.
The hub base 1 is integrally of a hollow cylinder structure, and the hub lateral supporting plate 3 is integrally fixed on the circumferential outer surface of the hub base 1 in an annular plate-shaped structure.
One side of each reinforcing rib plate A6 is fixedly arranged on the circumferential outer surface of the hub lateral support plate 3, the other side of each reinforcing rib plate A6 is uniformly arranged along the circumferential outer surface of the hub base 1, and all the reinforcing rib plates A6, the hub base 1 and the hub lateral support plate 3 are of an integrated casting structure.
The number of the reinforcing rib plates A6 is eight, and the interval between every two reinforcing rib plates A6 on the circumferential outer surface of the hub base 1 is 45 degrees.
The hub boss 2 is integrally of a hollow circular ring structure, the hub boss 2 is provided with a side face of the hub lateral support plate 3 which is not provided with the reinforcing rib plate A6, and the hub boss 2 and the side face of the hub lateral support plate 3 are arranged in a right angle mode.
The hub boss 2 is also provided with a plurality of reinforcing rib plates B7, and all the reinforcing rib plates B7 are arranged around the inner wall of the hub boss 2 in 360 degrees.
The number of the reinforcing rib plates B7 is 24, and the interval between every two reinforcing rib plates B7 is 15 degrees.
The structural schematic diagram of the spoke installed on the drum-shaped filter screen hub designed by the utility model is shown in fig. 4, the spoke 8 is fixedly connected to the surface of the hub lateral support plate 3 through a plurality of lateral connecting bolts, the spoke 8 is of a channel steel structure, the lateral plane of the spoke 8 is in contact with the surface of the hub lateral support plate 3, and the bottom plane of the spoke 8 is placed on the surface of the hub boss 2.
Each lateral connecting bolt through hole 4 is provided with a lateral connecting bolt for laterally installing and fixing the spoke 8; and each axial connecting bolt through hole 5 is provided with an axial connecting bolt for axially installing and fixing the spoke wheel 8.
A plurality of lateral connecting bolt through holes 4 arranged on the side face of the hub lateral supporting plate 3 are connected with lateral planes of the spokes 8 through lateral connecting bolts, and axial displacement of the spokes 8 relative to the lateral connecting bolts in the lateral connecting bolt through holes 4 is restrained.
The hub boss 2 arranged on one side face of the hub lateral support plate 3 is connected with the bottom face of the spoke 8 through the axial connecting bolt, so that the axial displacement of the spoke 8 relative to the bolt in the axial connecting bolt through hole 4 is restrained.
The lateral tie bolt shear forces of the spokes 8 on the surface of the hub lateral support plate 3 are converted into axial forces of the axial tie bolts and the hub boss 2.
The drum-shaped filter screen main shaft drives the hub structure and the spoke 8 designed by the utility model to rotate through the hub shaft sleeve, the contact force between the lateral plane of the spoke 8 and the hub lateral support plate 3 and the contact force between the bottom plane of the spoke 8 and the hub boss 2 can be converted into the axial force of the axial connecting bolt and the hub boss 2, and the possibility of loosening the lateral connecting bolt in the lateral connecting bolt through hole 4 is reduced.
If the drum filter screen is under the action of complex alternating force, the requirements of the spot welding process can be increased on the lateral connecting bolts in the lateral connecting bolt through holes 4.
Through the hub structure designed by the utility model, the shearing force of the bolts in the lateral connecting bolt through holes 4 connected with the hub lateral supporting plate 3 can be converted into the axial force of the axial connecting bolts on the hub lug boss 2, so that the lateral connecting bolts in the lateral connecting bolt through holes 4 are prevented from being deformed under the action of large shearing force for a long time, and the technical problem of spoke deviation of the drum-shaped filter screen is fundamentally solved.
While the embodiments of the present invention have been described in detail, the present invention is not limited to the above-described examples, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. A drum screen hub, comprising: the wheel hub comprises a wheel hub base (1), a wheel hub boss (2), a wheel hub lateral supporting plate (3), a plurality of lateral connecting bolt through holes (4), a plurality of axial connecting bolt through holes (5) and a plurality of reinforcing rib plates A (6); a hub lateral supporting plate (3) is arranged on the hub base (1), a hub boss (2) is arranged on one side surface of the hub lateral supporting plate (3), and a plurality of reinforcing rib plates A (6) are arranged on the other side surface of the hub lateral supporting plate (3); the hub base (1), the hub boss (2) and the hub lateral supporting plate (3) are of an integrated connecting structure, and a plurality of lateral connecting bolt through holes (4) are uniformly formed in the side surface of the hub lateral supporting plate (3); a plurality of axial connecting bolt through holes (5) are formed in the surface of the hub boss (2).
2. A drum screen hub as defined in claim 1, wherein: the hub base (1) is integrally of a hollow cylinder structure, and the hub lateral supporting plate (3) is integrally fixed on the circumferential outer surface of the hub base (1) in an annular plate-shaped structure.
3. A drum screen hub as defined in claim 1, wherein: one side of each reinforcing rib plate A (6) is fixedly arranged on the circumferential outer surface of the hub lateral supporting plate (3), the other side of each reinforcing rib plate A (6) is uniformly arranged along the circumferential outer surface of the hub base (1), and all the reinforcing rib plates A (6), the hub base (1) and the hub lateral supporting plate (3) are of an integral casting structure.
4. A drum screen hub according to claim 3, wherein: the number of the reinforcing rib plates A (6) is eight, and the interval between every two reinforcing rib plates A (6) on the circumferential outer surface of the hub base (1) is 45 degrees.
5. A drum screen hub as defined in claim 1, wherein: the hub boss (2) is integrally of a hollow circular ring structure, the hub boss (2) is provided with a side face of the hub lateral support plate (3) which is not provided with the reinforcing rib plate A (6), and the hub boss (2) and the side face of the hub lateral support plate (3) are arranged in a right angle mode.
6. A drum screen hub according to claim 5, wherein: the hub boss (2) is further provided with a plurality of reinforcing rib plates B (7), and all the reinforcing rib plates B (7) are arranged in a 360-degree surrounding mode along the inner wall of the hub boss (2).
7. A drum screen hub according to claim 6, wherein: the number of the reinforcing rib plates B (7) is 24, and the interval between every two reinforcing rib plates B (7) is 15 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121704115.0U CN215427685U (en) | 2021-07-26 | 2021-07-26 | Drum-shaped filter screen hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121704115.0U CN215427685U (en) | 2021-07-26 | 2021-07-26 | Drum-shaped filter screen hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215427685U true CN215427685U (en) | 2022-01-07 |
Family
ID=79684316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121704115.0U Active CN215427685U (en) | 2021-07-26 | 2021-07-26 | Drum-shaped filter screen hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215427685U (en) |
-
2021
- 2021-07-26 CN CN202121704115.0U patent/CN215427685U/en active Active
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