CN107964922A - Small-orifice integrally-cast plane rolling type trash rack - Google Patents
Small-orifice integrally-cast plane rolling type trash rack Download PDFInfo
- Publication number
- CN107964922A CN107964922A CN201711265978.0A CN201711265978A CN107964922A CN 107964922 A CN107964922 A CN 107964922A CN 201711265978 A CN201711265978 A CN 201711265978A CN 107964922 A CN107964922 A CN 107964922A
- Authority
- CN
- China
- Prior art keywords
- rectangular frame
- grid
- trash rack
- roller
- hole
- Prior art date
- 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.)
- Granted
Links
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 38
- 238000005096 rolling process Methods 0.000 title claims abstract description 19
- 238000005266 casting Methods 0.000 claims abstract description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 241000826860 Trapezium Species 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
- E02B5/085—Arresting devices for waterborne materials, e.g. gratings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Housing For Livestock And Birds (AREA)
- Sewage (AREA)
Abstract
The invention discloses a plane rolling type trash rack integrally cast with a small hole. The trash rack is an integrated structure formed by one-step casting; comprising a rectangular frame (1); the rectangular frame is in a rectangular ring structure, and four outer corners of the rectangular ring are all arc corners; a lifting lug (2) is arranged in the center of the top of the rectangular frame, two upright posts of the rectangular frame are respectively provided with a roller hole (3), and a roller (4) is arranged in the roller hole (3); lateral sliding blocks (5) are arranged on two sides of the rectangular frame; the inner cavity of the rectangular frame is provided with a group of vertical grid pieces (6) which are arranged at equal intervals and a group of horizontal grid pieces (7) which are arranged at equal intervals. The invention has simple installation procedure and high precision, and greatly improves the installation efficiency; the invention has the advantages of high structural strength and rigidity, good integral stability, good vibration resistance and difficult breakage, and greatly improves the application flow velocity range of the trash rack.
Description
Technical field
The present invention relates to a kind of microstome monoblock cast plane rolling formula trash rack, belong to hydraulic and hydroelectric engineering metal structure
Technical field.
Background technology
Trash rack be in hydraulic engineering intake it is a kind of compared with frequently with block dirty facility, tradition is generally welded using steel flanged beam
Structure, because grid only leans on the weld seam with girder contact site to fix, uses, grid is easily rolled in the excessive intake of flow velocity
It is disconnected, cause larger dirt to enter intake runner, be only suitable for low flow velocity occasion, so the prior art also Shortcomings, have
Treat in further perfect.
The content of the invention
It is an object of the present invention to provide a kind of microstome monoblock cast plane rolling formula trash rack, to solve existing block
Dirty grid easily snaps off, and causes larger dirt to enter the technical problem of intake runner.
The technical proposal of the invention is realized in this way:
A kind of microstome monoblock cast plane rolling formula trash rack of the present invention, the trash rack are the molding one knot of one-step casting
Structure;Including rectangular frame;Rectangular frame is rectangle ring structure, and four exterior angles of straight-flanked ring are arc chord angle;At the top of rectangular frame
Center is equipped with lifting lug, and roller hole is respectively equipped with two columns of rectangular frame, roller is equipped with roller hole;Rectangular frame both sides
Equipped with side slide block;The inner cavity of rectangular frame is equipped with one group of perpendicular grid being equally spaced and one group of horizontal grid being equally spaced
Piece;Circular deflector hole is equipped with rectangular frame between two perpendicular grid and between perpendicular grid and rectangular frame, at two
Horizontal grid between perpendicular grid is equipped with oval deflector hole;Rectangular guiding is equipped with rectangular frame between two horizontal grid
Hole, is equipped with right-angled trapezium deflector hole in the perpendicular grid between two horizontal grid and between horizontal grid and rectangular frame.
In foregoing microstome monoblock cast plane rolling formula trash rack, the height at the perpendicular grid both ends and rectangular frame
Thickness is identical, and is connected with rectangular frame;The side that meets water of perpendicular grid is arc-shaped edges, and the lower part of perpendicular grid upstream face is equipped with right angle
Hook.
In foregoing microstome monoblock cast plane rolling formula trash rack, it is respectively equipped with two columns of the rectangular frame
A pair of roller hole up and down, is equipped with roller in each roller hole, roller is fixed in roller hole through wheel shaft;Wheel shaft is through bolt and square
Shape frame is fixedly connected.
In foregoing microstome monoblock cast plane rolling formula trash rack, the side slide block is the circular arc body of protrusion.
In foregoing microstome monoblock cast plane rolling formula trash rack, the flow-passing surface front and back end of the perpendicular grid and horizontal grid
Chamfering is equipped with, chamfer shape is streamlined cambered surface.
In foregoing microstome monoblock cast plane rolling formula trash rack, whole cast body appearance and size is more bigger than actual size
1~5mm.
By adopting the above-described technical solution, compared with prior art, the present invention the present invention has the advantages that:1、
Trash rack is small using microstome trash rack appearance and size, the characteristics of transport difficulty is little, using rectangular frame, lifting lug, perpendicular grid,
The overall structure that horizontal grid, master slider, the casting of roller hole are integrated, rectangular frame, perpendicular each area between grid and horizontal grid
Deflector hole of different shapes is opened at lattice, is interconnected between each deflector hole, casts liquid good fluidity, easy to cast, without welding, system
Make difficulty to be reduced, trash rack quality is guaranteed, and scene need not carry out rectangular frame, perpendicular peace between grid and horizontal grid
Dress, only carries out the installation that trash rack enters groove, and installation procedure is simple, and precision is high, substantially increases installation effectiveness;2nd, main grid piece uses
Perpendicular grid and be arc structure, structural strength and rigidity are big, and overall stability is good, good anti-vibration, should not fracture, can suitable flow rate mistake
High intake, substantially increases the application flow rates of trash rack;3rd, erect grid lower part and be equipped with triangle hook, sling in trash rack
When can will focus on the debris of trash rack lower part and take up, reduce compared with bigger material from rectangular frame bottom into air stream enter runner;4th, it is whole
Cast body appearance and size is more bigger 1~5mm than actual size, has finishing requirements position to be machined realization easy to rectangular frame
Required precision.
Brief description of the drawings
Fig. 1 is the schematic diagram of upstream face of the present invention;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the right view of Fig. 2;
Fig. 4 is the A-A sectional views of Fig. 2;
Fig. 5 is the top view of Fig. 2;
Fig. 6 is the B-B sectional views of Fig. 2;
Fig. 7 is the C-C sectional views of Fig. 2;
Fig. 8 is the schematic diagram that the present invention blocks dirty state;
Fig. 9 is view when trash rack lifts.
In figure:1- rectangular frames, 2- lifting lugs, 3- rollers hole, 4- rollers, 5- side slide blocks, 6- erect the horizontal grid of grid, 7-,
8- circles deflector hole, the oval deflector holes of 9-, 10- rectangular guidings hole, 11- right-angled trapeziums deflector hole, 12- wheel shafts, 13- bolts, 14-
Sliding bearing, 15- right angle hooks, 16- grid groove, 17- steel wire ropes, 18- microstomes.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples, but not as to any of the present invention
Limitation.
A kind of microstome monoblock cast plane rolling formula trash rack of the present invention, as shown in figs. 1-7, the trash rack is once
The integrative-structure of casting;Including rectangular frame 1;Rectangular frame 1 is rectangle ring structure, and four exterior angles of straight-flanked ring are circle
Arc angle;1 center of top of rectangular frame is equipped with lifting lug 2, and two roller holes 3 up and down are respectively equipped with two columns of rectangular frame 1,
1 both sides of rectangular frame are equipped with side slide block 5;The inner cavity of rectangular frame 1 is equipped with one group of perpendicular grid 6 being equally spaced and one group etc.
The horizontal grid 7 of spacing arrangement;Set on rectangular frame 1 between two perpendicular grid 6 and between perpendicular grid 6 and rectangular frame 1
There is circular deflector hole 8, oval deflector hole 9 is equipped with the horizontal grid 7 between two perpendicular grid 6;Between two horizontal grid 7
Rectangular frame 1 is equipped with rectangular guiding hole 10, the perpendicular grid between two horizontal grid 7 and between horizontal grid 7 and rectangular frame 1
Piece 6 is equipped with right-angled trapezium deflector hole 11.The height at perpendicular 6 both ends of grid is identical with the thickness of rectangular frame 1, and and rectangular frame
1 connection;The side that meets water of perpendicular grid 6 is arc-shaped edges, and the lower part of 6 upstream face of perpendicular grid is equipped with right angle hook 15.Two of rectangular frame 1
A pair of of roller hole 3 up and down is respectively equipped with column, is equipped with roller 4 in each roller hole 3, roller 4 is fixed on rolling through wheel shaft 12
In wheel bore 3;Wheel shaft 12 is fixedly connected through bolt 13 with rectangular frame 1.Side slide block 5 is the circular arc body of protrusion.Perpendicular grid 6 and horizontal stroke
The flow-passing surface front and back end of grid 7 is equipped with chamfering, and chamfer shape is streamlined cambered surface.
Embodiment
A kind of microstome monoblock cast plane rolling formula trash rack of the present invention, as shown in figs. 1-7, trash rack are once to cast
Molding structure, including rectangular frame 1 are made, four angles of rectangular frame 1 are great circle corner structure;The top of rectangular frame 1 is cast with
For lifting by crane the lifting lug 2 of trash rack;1 both sides of rectangular frame are cast with the side slide block 5 with 16 basal sliding of grid groove, lateral sliding
The shape of block 5 is arcuate, and side slide block 5 is monosymmetric circular arc convex body, and the sliding surface of side slide block 5 and grid trench bottom is circle
Cambered surface;Gap between the slide of 16 bottom of grid groove is 10~20mm.Use is cast with respectively on the column of 1 both sides of rectangular frame
In the roller hole 3 of installation roller 4, all right-angle sides in roller hole 3 are fillet.Roller 4 is installed in roller hole 3, roller 4
Diameter is slightly less than the width of grid groove 16, and roller 4 is as main reversely supporting;Roller 4 is installed in roller hole 4 by wheel shaft 12, wheel
Axis 12 is fixedly connected by bolt 13 with rectangular frame 1.Rectangular guiding hole is cast with respectively on the column of 1 both sides of rectangular frame
10, all right-angle sides in rectangular guiding hole 10 are fillet.1 top of rectangular frame and lower part are symmetrically cast with circular deflector hole 8.
When casting rectangular frame 1, its appearance and size should be more bigger 1~5mm than actual size, in order to subsequently finish.
The inner cavity of rectangular frame 1 is cast with one group of equally distributed perpendicular grid 6 and one group of equally distributed horizontal grid 7 is formed
Lattice-shaped trash rack;The shape of perpendicular grid 6 is arcuate, and upstream face is arc surface, and downstream face is plane, and arc surface lower part is cast
There is right angle hook 15, the height for erecting 6 both ends of grid is corresponding with the thickness of rectangular frame 1.One group of right angle is equipped with every perpendicular grid 6
Trapezoidal deflector hole 11, right-angled trapezium deflector hole 11 is respectively between two horizontal grid 7 and between horizontal grid 7 and rectangular frame 1.
The shape of horizontal grid 7 is the structure of similar ladder type, and the height that the height of horizontal grid 7 erects grid 6 with present position is corresponding, horizontal grid
The height at 7 both ends is corresponding with the thickness of rectangular frame 1.One group of length circle deflector hole 9, oval water conservancy diversion are equipped with every horizontal grid 7
Hole 9 is respectively between two perpendicular grid 6 and between perpendicular grid 6 and rectangular frame 1.Before the flow-passing surface of perpendicular grid 6 and horizontal grid 7
Rear end is equipped with chamfering, and chamfer shape is streamlined cambered surface.
Fig. 8 is the schematic diagram that the present invention blocks dirty state, and as seen from the figure, trash rack of the invention passes through steel wire rope 17 when working
It is connected with the lifting lug 2 at the top of rectangular frame 1, the other end of steel wire rope 17 is connected with lifting equipment.As shown in figure 9, pass through lifting
Trash rack is lifted in grid groove 16 by equipment, is slowly transferred trash rack gear and is blocked the effect of dirt in 18 front end of microstome, realization.
Claims (5)
- A kind of 1. microstome monoblock cast plane rolling formula trash rack, it is characterised in that:The trash rack is molding for one-step casting Integrative-structure;Including rectangular frame(1);Rectangular frame(1)For rectangle ring structure, four exterior angles of straight-flanked ring are arc chord angle; Rectangular frame(1)Center of top is equipped with lifting lug(2), rectangular frame(1)Two columns on be respectively equipped with roller hole(3), roller Hole(3)It is interior to be equipped with roller(4);Rectangular frame(1)Both sides are equipped with side slide block(5);Rectangular frame(1)Inner cavity be equipped with one group etc. The perpendicular grid of spacing arrangement(6)With one group of horizontal grid being equally spaced(7);In two perpendicular grid(6)Between and perpendicular grid (6)With rectangular frame(1)Between rectangular frame(1)It is equipped with circular deflector hole(8), in two perpendicular grid(6)Between horizontal stroke Grid(7)It is equipped with oval deflector hole(9);In two horizontal grid(7)Between rectangular frame(1)It is equipped with rectangular guiding hole (10), in two horizontal grid(7)Between and horizontal grid(7)With rectangular frame(1)Between perpendicular grid(6)It is equipped with right angle ladder Shape deflector hole(11).
- 2. microstome monoblock cast plane rolling formula trash rack according to claim 1, it is characterised in that:The perpendicular grid (6)The height and rectangular frame at both ends(1)Thickness it is identical, and and rectangular frame(1)Connection;Perpendicular grid(6)The side that meets water be Arc-shaped edges, erect grid(6)The lower part of upstream face is equipped with right angle hook(15).
- 3. microstome monoblock cast plane rolling formula trash rack according to claim 1, it is characterised in that:The rectangular frame (1)Two columns on be respectively equipped with a pair of of roller hole up and down(3), each roller hole(3)Inside it is equipped with roller(4), roller(4) Through wheel shaft(12)It is fixed on roller hole(3)It is interior;Wheel shaft(12)Through bolt(13)With rectangular frame(1)It is fixedly connected.
- 4. microstome monoblock cast plane rolling formula trash rack according to claim 1, it is characterised in that:The side slide block (5)For the circular arc body of protrusion.
- 5. microstome monoblock cast plane rolling formula trash rack according to claim 1, it is characterised in that:The perpendicular grid (6)With horizontal grid(7)Flow-passing surface front and back end be equipped with chamfering, chamfer shape is streamlined cambered surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711265978.0A CN107964922B (en) | 2017-12-05 | 2017-12-05 | Small-hole integral casting plane rolling type trash rack |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711265978.0A CN107964922B (en) | 2017-12-05 | 2017-12-05 | Small-hole integral casting plane rolling type trash rack |
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Publication Number | Publication Date |
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CN107964922A true CN107964922A (en) | 2018-04-27 |
CN107964922B CN107964922B (en) | 2024-05-14 |
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CN201711265978.0A Active CN107964922B (en) | 2017-12-05 | 2017-12-05 | Small-hole integral casting plane rolling type trash rack |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108532561A (en) * | 2018-06-08 | 2018-09-14 | 中国电建集团贵阳勘测设计研究院有限公司 | Small-orifice integrally-cast plane fixed wheel working gate |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108532561A (en) * | 2018-06-08 | 2018-09-14 | 中国电建集团贵阳勘测设计研究院有限公司 | Small-orifice integrally-cast plane fixed wheel working gate |
CN108532561B (en) * | 2018-06-08 | 2024-04-26 | 中国电建集团贵阳勘测设计研究院有限公司 | Small-hole integral casting plane fixed wheel working gate |
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