CN210507345U - Cylindrical fixed trash rack for water inlet and outlet - Google Patents
Cylindrical fixed trash rack for water inlet and outlet Download PDFInfo
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- CN210507345U CN210507345U CN201921104871.2U CN201921104871U CN210507345U CN 210507345 U CN210507345 U CN 210507345U CN 201921104871 U CN201921104871 U CN 201921104871U CN 210507345 U CN210507345 U CN 210507345U
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000005266 casting Methods 0.000 claims abstract description 5
- 238000013016 damping Methods 0.000 abstract description 4
- 230000007306 turnover Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 230000008646 thermal stress Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses a cylindrical fixed trash rack for water inlets and water outlets, which comprises a pre-buried steel plate pre-buried at the water inlets and the water outlets, wherein hanging plates uniformly distributed along the circumference are welded on the pre-buried steel plate; a group of uniformly distributed bolt holes are formed in the hanging plate; the hanging plate is connected with an outer pulling plate on the trash rack through a bolt; the trash rack is cylindrical and comprises an outer cylinder and a central body; the outer cylinder is connected with the central body through a group of radial grid plates; the radial grid plates are connected with each other through a group of arc grid plates with different radians to form a group of concentric grid plates. The utility model discloses a there is not influence of bars groove when trash rack overflows in two ways, the rivers flow regime is better, and the center overflows the casting body and the grid tray business turn over water both sides and be the button head structure, and the damping is less, has reduced the influence to the grid tray when rivers pass through the trash rack, and the grid tray vibration is less, adopts bolted connection between the trash rack essential element, and the vibration resistance is good, has effectively improved the life of trash rack.
Description
Technical Field
The utility model relates to a fixed trash rack of inlet outlet cylinder type belongs to hydraulic and hydroelectric engineering metal construction technical field.
Background
For a sewage barrier at a water inlet and a water outlet of a pumped storage power station, a sewage barrier groove is conventionally arranged, and the sewage barrier is fixed on the grating groove through a sliding block or a wedge block; in addition, the trash rack adopts a frame type structure, the frame cross beams and the vertical beams of the trash rack are I-shaped in cross section, the damping is large, the trash rack is large in flow speed due to bidirectional overflowing, and due to the fact that the grid grooves exist, the water inlet and outlet flow channels are subjected to local sudden change, so that the flow state of water flow of the water inlet and outlet when the water flow passes through the trash rack is complex and variable, grid piece vibration is easily induced, and grid piece damage is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fixed trash rack of inlet outlet drum type to solve the not enough of prior art existence.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a cylindrical fixed trash rack for water inlets and water outlets, which comprises a pre-buried steel plate pre-buried at the water inlets and the water outlets, wherein hanging plates uniformly distributed along the circumference are welded on the pre-buried steel plate; a group of uniformly distributed bolt holes are formed in the hanging plate; the hanging plate is connected with an outer pulling plate on the trash rack through a bolt; the trash rack is cylindrical and comprises an outer cylinder and a central body; the outer cylinder is connected with the central body through a group of radial grid plates; the radial grid plates are connected with each other through a group of arc grid plates with different radians to form a group of concentric grid plates.
In the cylindrical fixed trash rack, the central body is a cylinder formed by one-step casting, and two ends of the cylinder are spherical surfaces; double connecting ribs are uniformly distributed on the periphery of the non-spherical sections at the two ends of the cylinder; the double-connecting rib is provided with bolt holes for fixing the radial grid plates.
In the cylindrical fixed trash rack, the outer cylinder is a cylinder rolled by a steel plate; an annular bottom plate is welded at one end of the outer barrel, outer pull plates which are uniformly distributed along the circumference are welded on the excircle of the outer barrel, and bolt holes corresponding to the hanging plates are arranged on the outer pull plates; inner double pulling plates which are uniformly distributed along the circumference are welded on the inner circle of the outer cylinder; the positions and the number of the inner double pulling plates correspond to the double connecting ribs on the central body; and a group of bolt holes for connecting the radial grid plates are arranged on the inner double-pulling plate.
In the cylindrical fixed trash rack, the radial grid plate is a rectangular steel plate, and the upper end of the radial grid plate is provided with a group of bolt holes corresponding to the inner double pulling plates; the lower end of the radial grid plate is provided with a group of bolt holes corresponding to the double connecting ribs; one side of the radial grid plate is provided with an upper arc-shaped connecting seat plate connected with the arc-shaped grid plate; the other side of the radial grid plate is provided with a lower arc-shaped connecting seat plate connected with the arc-shaped grid plate; the upper arc-shaped connecting seat plate and the lower arc-shaped connecting seat plate are arranged in a staggered manner; go up and all be equipped with the bolt hole that is used for connecting the arc grid tray on arc connection bedplate and the lower arc connection bedplate.
In the cylindrical fixed trash rack, the arc grid plate is a rectangular arc steel plate; the left side and the right side of the arc-shaped grid plate are respectively provided with a bolt hole connected with the upper arc-shaped connecting seat plate or the lower arc-shaped connecting seat plate; one side of the arc-shaped grid plate is connected with the bottom surface of the upper arc-shaped connecting seat plate, and the other side of the arc-shaped grid plate is connected with the top surface of the lower arc-shaped connecting seat plate; both ends of the arc grid plate are arc surfaces.
In the above-mentioned fixed trash rack of cylinder type, all edges and corners of the trash rack are rounded arc surfaces.
Due to the adoption of the technical scheme, compared with the prior art, the trash rack of the utility model is arranged at the side of the water inlet and outlet, is of a cylindrical fixed structure, has no influence of a grid groove when the trash rack is subjected to bidirectional overflowing, has better water flow state, has round head structures at both sides of the central overflowing casting body and the water inlet and outlet of the grid plate, has smaller damping, reduces the influence of water flow on the grid plate when the water flow passes through the trash rack, has smaller grid plate vibration, adopts bolt connection between main parts of the trash rack, has good vibration resistance, and effectively prolongs the service life of the trash rack; in addition, radial two round-head grid plates are provided with staggered upper arc-shaped connecting seat plates and lower arc-shaped connecting seat plate structures, so that the influence of thermal stress during welding of the grid plates is reduced, and the welding quality of the grid plates is effectively improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a trash rack;
FIG. 3 is a schematic structural view of a centerbody;
FIG. 4 is a schematic structural view of the outer tub;
FIG. 5 is a schematic view of the structure of a radial grid;
FIG. 6 is a schematic view of the structure of an arc-shaped grid.
The labels in the figures are: 1-water inlet and outlet, 2-trash rack, 3-bolt, 4-hanging plate, 5-bolt hole, 6-radial grid plate, 7-arc grid plate, 8-central body, 9-outer cylinder, 10-annular bottom plate, 11-outer pulling plate, 12-inner double pulling plate, 13-embedded steel plate, 14-upper arc connecting seat plate, 15-lower arc connecting seat plate, 16-arc surface, 17-double connecting rib and 18-spherical surface.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The utility model discloses a cylindrical fixed trash rack for water inlets and outlets, as shown in figures 1 and 2, comprising a pre-buried steel plate 13 pre-buried at the water inlets and outlets 1, wherein hanging plates 4 uniformly distributed along the circumference are welded on the pre-buried steel plate 13; a group of bolt holes 5 which are uniformly distributed are arranged on the hanging plate 4; the hanging plate 4 is connected with an outer pulling plate 11 on the trash rack 2 through a bolt 3; the trash rack 2 is cylindrical and comprises an outer cylinder 9 and a central body 8; the outer cylinder 9 is connected with the central body 8 through a group of radial grid plates 6; the radial grid plates 6 are connected with each other through a group of arc grid plates 7 with different radians to form a group of concentric circular grid plates. As shown in fig. 3, the central body 8 is a cylinder formed by one-step casting, and both ends of the cylinder are spherical surfaces 18; double connecting ribs 17 are uniformly distributed on the periphery of the non-spherical sections at the two ends of the cylinder; the double connecting rib 17 is provided with bolt holes 5 for fixing the radial grid plates 6. As shown in fig. 4, the outer cylinder 9 is a cylinder rolled from a steel plate; an annular bottom plate 10 is welded at one end of the outer barrel 9, outer pull plates 11 which are uniformly distributed along the circumference are welded on the excircle of the outer barrel 9, and bolt holes 5 corresponding to the hanger plates 4 are arranged on the outer pull plates 11; the inner circle of the outer cylinder 9 is welded with inner double pulling plates 12 which are uniformly distributed along the circumference; the position and number of the inner double pulling plates 12 correspond to the double connecting ribs 17 on the central body 8; the inner double pulling plate 12 is provided with a group of bolt holes 5 for connecting the radial grid plates 6. As shown in fig. 5, the radial grid plate 6 is a rectangular steel plate, and the upper end of the radial grid plate 6 is provided with a group of bolt holes 5 corresponding to the inner double pulling plates 12; the lower end of the radial grid plate 6 is provided with a group of bolt holes 5 corresponding to the double connecting ribs 17; one side of the radial grid plate 6 is provided with an upper arc-shaped connecting seat plate 14 connected with the arc-shaped grid plate 7; the other side of the radial grid plate 6 is provided with a lower arc-shaped connecting seat plate 15 connected with the arc-shaped grid plate 7; the upper arc-shaped connecting seat plate 14 and the lower arc-shaped connecting seat plate 15 are arranged in a staggered manner; the upper arc-shaped connecting seat plate 14 and the lower arc-shaped connecting seat plate 15 are both provided with bolt holes 5 for connecting the arc-shaped grid plates 7. As shown in fig. 6, the arc grid 7 is a rectangular arc steel plate; the left side and the right side of the arc-shaped grid plate 7 are respectively provided with a bolt hole 5 connected with the upper arc-shaped connecting seat plate 14 or the lower arc-shaped connecting seat plate 15; one side of the arc-shaped grid plate 7 is connected with the bottom surface of the upper arc-shaped connecting seat plate 14, and the other side of the arc-shaped grid plate 7 is connected with the top surface of the lower arc-shaped connecting seat plate 15; the two ends of the arc grid plate 7 are both arc surfaces 16. All edges and corners of the trash rack 2 are rounded arc surfaces 16.
Examples
The technical scheme of the embodiment is as shown in fig. 1 and fig. 2, the trash rack 2 of the embodiment adopts a cylindrical structure with an outer annular pull plate 11, and is fixed on a hanging plate 4 with an annular water inlet and outlet 1 by bolts 3 through the outer pull plate 11; a central body 8 is arranged in the cylindrical structure of the trash rack 2, and two ends of the central body 8 are of spherical structures. The central body 8 and the outer barrel 9 are connected into a whole by bolts 3 through the annular radial grid plates 6, concentric arc grid plates 7 are arranged between the adjacent radial grid plates 6, and the arc grid plates 7 are fixedly connected with the upper arc connection base plate 14 and the lower arc connection base plate 15 of the radial grid plates 6 through the bolts 3 after staggered overlapping.
The trash rack 2 is arranged on the side of the water inlet and outlet 1, the trash rack 2 is free of grid groove influence during bidirectional overflowing, the flow state of water flow is good, the damping of the spherical structure at the two ends of the central body 8 is small, the influence of water flow on the grid plate when the water flow passes through the trash rack 2 is reduced, the grid plate vibration is small, the main parts of the trash rack are connected through bolts, the vibration resistance is good, and the service life of the trash rack is effectively prolonged; in addition, the upper arc-shaped connecting base plate 14 and the lower arc-shaped connecting base plate 15 which are staggered in the radial grid plate arrangement can reduce the influence of thermal stress during grid plate welding, and effectively improve the welding quality of the grid plates.
In specific implementation, as shown in fig. 1 and 2, a trash rack 2 is arranged at the water inlet and outlet 1, and the trash rack 2 is fixed in a cylindrical manner. The trash rack 2 is connected with a hanging plate 4 which is annularly arranged on the water inlet and outlet 1 through a bolt 3; the trash rack 2 is formed by connecting an outer cylinder 9, a radial grid plate 6, an arc grid plate 7 and a central body 8 into a whole through bolts 3; an annular bottom plate 10 is welded at one end of the outer cylinder 9, outer pull plates 11 which are uniformly distributed along the circumference are arranged on the outer circle of the outer cylinder 9, and inner double pull plates 12 which are uniformly distributed along the circumference are arranged on the inner circle of the outer cylinder 9; the outer pulling plate 11 and the inner double pulling plate 12 are welded with the outer cylinder 9 into a whole; a row of upper arc-shaped connecting seat plates 14 and lower arc-shaped connecting seat plates 15 which are concentrically arranged at two sides of the radial grid plate 6 are welded into a whole; double connecting ribs 17 uniformly distributed along the circumference are arranged on the periphery of the central body 8; the left end and the right end of the radial grid plate 6 are respectively embedded into the inner double pulling plate 12 and the double connecting ribs 17 and are fixedly connected through the bolts 3; the arc grid plate 7 is fixedly connected with the upper arc connecting seat plate 14 and the lower arc connecting seat plate 15 through bolts 3 after being lapped; the front and the rear sides of the radial grid plate 6, the arc grid plate 7 and the central body 8 are all rounded into arc surfaces 16; the outer pulling plate 11 and the hanging plate 4 are fixedly connected through a bolt 3; the hanging plate 4 is welded and fixed on the annular flanging of the embedded steel plate 13.
Claims (6)
1. The utility model provides a fixed trash rack of inlet outlet cylinder type, includes pre-buried steel sheet (13) of pre-buried in inlet outlet (1) department, its characterized in that: hanging plates (4) which are uniformly distributed along the circumference are welded on the pre-buried steel plate (13); a group of bolt holes (5) are uniformly distributed on the hanging plate (4); the hanging plate (4) is connected with an outer pulling plate (11) on the trash rack (2) through a bolt (3); the trash rack (2) is cylindrical and comprises an outer cylinder (9) and a central body (8); the outer cylinder (9) is connected with the central body (8) through a group of radial grid plates (6); the radial grid plates (6) are connected with the radial grid plates (6) through a group of arc grid plates (7) with different radians to form a group of concentric circle grid plates.
2. The cylindrical fixed trash rack of water inlet and outlet according to claim 1, wherein: the central body (8) is a cylinder formed by one-time casting, and two ends of the cylinder are spherical surfaces (18); double connecting ribs (17) are uniformly distributed on the periphery of the non-spherical sections at the two ends of the cylinder; the double connecting ribs (17) are provided with bolt holes (5) for fixing the radial grid plates (6).
3. The cylindrical fixed trash rack of water inlet and outlet according to claim 1, wherein: the outer cylinder (9) is a cylinder rolled by a steel plate; an annular bottom plate (10) is welded at one end of the outer barrel (9), outer pull plates (11) which are uniformly distributed along the circumference are welded on the excircle of the outer barrel (9), and bolt holes (5) corresponding to the hanger plates (4) are formed in the outer pull plates (11); inner double pull plates (12) which are uniformly distributed along the circumference are welded on the inner circle of the outer cylinder (9); the positions and the number of the inner double pulling plates (12) correspond to the double connecting ribs (17) on the central body (8); the inner double pulling plate (12) is provided with a group of bolt holes (5) for connecting the radial grid plates (6).
4. The cylindrical fixed trash rack of water inlet and outlet according to claim 1, wherein: the radial grid plate (6) is a rectangular steel plate, and the upper end of the radial grid plate (6) is provided with a group of bolt holes (5) corresponding to the inner double pulling plates (12); the lower end of the radial grid plate (6) is provided with a group of bolt holes (5) corresponding to the double connecting ribs (17); an upper arc-shaped connecting seat plate (14) connected with the arc-shaped grid plate (7) is arranged on one side of the radial grid plate (6); the other side of the radial grid plate (6) is provided with a lower arc-shaped connecting seat plate (15) connected with the arc-shaped grid plate (7); the upper arc-shaped connecting seat plate (14) and the lower arc-shaped connecting seat plate (15) are arranged in a staggered manner; bolt holes (5) used for connecting the arc-shaped grid plates (7) are arranged on the upper arc-shaped connecting seat plate (14) and the lower arc-shaped connecting seat plate (15).
5. The cylindrical fixed trash rack of water inlet and outlet according to claim 1, wherein: the arc grid plate (7) is a rectangular arc steel plate; the left side and the right side of the arc-shaped grid plate (7) are respectively provided with a bolt hole (5) connected with the upper arc-shaped connecting seat plate (14) or the lower arc-shaped connecting seat plate (15); one side of the arc-shaped grid plate (7) is connected with the bottom surface of the upper arc-shaped connecting seat plate (14), and the other side of the arc-shaped grid plate (7) is connected with the top surface of the lower arc-shaped connecting seat plate (15); both ends of the arc grid plate (7) are arc surfaces (16).
6. The cylindrical fixed trash rack of water inlet and outlet according to claim 1, wherein: all edges and corners of the trash rack (2) are rounded arc surfaces (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921104871.2U CN210507345U (en) | 2019-07-15 | 2019-07-15 | Cylindrical fixed trash rack for water inlet and outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921104871.2U CN210507345U (en) | 2019-07-15 | 2019-07-15 | Cylindrical fixed trash rack for water inlet and outlet |
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| Publication Number | Publication Date |
|---|---|
| CN210507345U true CN210507345U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921104871.2U Active CN210507345U (en) | 2019-07-15 | 2019-07-15 | Cylindrical fixed trash rack for water inlet and outlet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374069A (en) * | 2019-07-15 | 2019-10-25 | 中国电建集团贵阳勘测设计研究院有限公司 | Cylindrical fixed trash rack for water inlet and outlet |
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2019
- 2019-07-15 CN CN201921104871.2U patent/CN210507345U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374069A (en) * | 2019-07-15 | 2019-10-25 | 中国电建集团贵阳勘测设计研究院有限公司 | Cylindrical fixed trash rack for water inlet and outlet |
| CN110374069B (en) * | 2019-07-15 | 2024-02-13 | 中国电建集团贵阳勘测设计研究院有限公司 | Cylindrical fixed trash rack for water inlet and water outlet |
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