CN207619936U - Small-orifice integrally-cast plane rolling type trash rack - Google Patents

Small-orifice integrally-cast plane rolling type trash rack Download PDF

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Publication number
CN207619936U
CN207619936U CN201721677119.8U CN201721677119U CN207619936U CN 207619936 U CN207619936 U CN 207619936U CN 201721677119 U CN201721677119 U CN 201721677119U CN 207619936 U CN207619936 U CN 207619936U
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China
Prior art keywords
rectangular frame
grid
trash rack
idler wheel
hole
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CN201721677119.8U
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Chinese (zh)
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王兴恩
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PowerChina Guiyang Engineering Corp Ltd
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PowerChina Guiyang Engineering Corp Ltd
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Abstract

The utility model discloses a holistic casting plane roll formula trash rack of aperture. 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 utility model has simple installation procedure and high precision, and greatly improves the installation efficiency; the utility model discloses structural strength and rigidity are big, and overall stability is good, and the shock resistance is good, should not break, has improved the applied velocity of flow range of trash rack greatly.

Description

A kind of microstome monoblock cast plane rolling formula trash rack
Technical field
The utility model is related to a kind of microstome monoblock cast plane rolling formula trash racks, belong to hydraulic and hydroelectric engineering metal Technical field of structures.
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 uses, grid is easy folding because grid only leans on the weld seam with girder contact site to fix in the excessively high intake of flow velocity It is disconnected, it causes larger dirt to enter intake runner, is only suitable for low flow velocity occasion, so there is also deficiencies for the prior art, have It waits in further perfect.
Utility model content
The purpose of the utility model is to provide a kind of microstome monoblock cast plane rolling formula trash racks, existing to solve The technical issues of thering is trash rack piece to easily snap off, larger dirt is caused to enter intake runner.
What the technical solution of the utility model was realized in:
A kind of microstome monoblock cast plane rolling formula trash rack of the utility model, the trash rack are molded for one-step casting Integral structure;Including rectangular frame;Rectangular frame is rectangle ring structure, and four exterior angles of straight-flanked ring are arc chord angle;Rectangle Frame roof center is equipped with lifting lug, and idler wheel hole is respectively equipped on two columns of rectangular frame, idler wheel is equipped in idler wheel hole;Rectangle Frame both sides are 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 is equally spaced Horizontal grid;Round deflector hole is equipped on rectangular frame between two perpendicular grid and between perpendicular grid and rectangular frame, Oval deflector hole is equipped in horizontal grid between two perpendicular grid;Rectangle is equipped on rectangular frame between two horizontal grid Deflector 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 aforementioned microstome monoblock cast plane rolling formula trash rack, the height at the perpendicular grid both ends and rectangular frame Thickness is identical, and is connect with rectangular frame;The side that meets water of perpendicular grid is arc-shaped edges, and the lower part for erecting grid upstream face is equipped with right angle Hook.
In aforementioned microstome monoblock cast plane rolling formula trash rack, it is respectively equipped on two columns of the rectangular frame A pair of idler wheel hole up and down is equipped with idler wheel in each idler wheel hole, and idler wheel is fixed on through wheel shaft in idler wheel hole;Wheel shaft is through bolt and square Shape frame is fixedly connected.
In aforementioned microstome monoblock cast plane rolling formula trash rack, the side slide block is the circular arc body of protrusion.
In aforementioned microstome monoblock cast plane rolling formula trash rack, the flow-passing surface front and back end of the perpendicular grid and horizontal grid It is equipped with chamfering, chamfer shape is streamlined cambered surface.
In aforementioned microstome monoblock cast plane rolling formula trash rack, entire cast body appearance and size is more bigger than actual size 1~5mm.
By adopting the above-described technical solution, the utility model is compared with prior art, the utility model has and has as follows Beneficial effect:1, trash rack is small using microstome trash rack appearance and size, and the little feature of transport difficulty using rectangular frame, is hung Ear, perpendicular grid, horizontal grid, master slider, idler wheel hole cast the overall structure being integrated, rectangular frame, perpendicular grid and horizontal grid it Between each area Ge Chu open deflector hole of different shapes, be interconnected between each deflector hole, cast liquid good fluidity, convenient for casting, Without welding, manufacture difficulty is reduced, and trash rack quality is guaranteed, and scene is without carrying out rectangular frame, perpendicular grid and cross Installation between grid only carries out the installation that trash rack enters slot, and installation procedure is simple, and precision is high, substantially increases installation effectiveness; 2, main grid piece uses perpendicular grid and for arc structure, and structural strength and rigidity are big, and overall stability is good, good anti-vibration, should not fracture, Can the excessively high intake of suitable flow rate, substantially increase the application flow rates of trash rack;3, it erects grid lower part and is equipped with triangle hook, The sundries that trash rack lower part can be will focus on when trash rack is sling takes up, and reduces and enters from rectangular frame bottom compared with bigger material Runner;4, entire cast body appearance and size is more bigger 1~5mm than actual size, has finishing requirements position can convenient for rectangular frame Mechanical processing realizes required precision.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model upstream face;
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 vertical 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 utility model blocks dirty state;
Fig. 9 is status diagram when trash rack lifts.
In figure:1- rectangular frames, 2- lifting lugs, 3- idler wheels hole, 4- idler wheels, 5- side slide blocks, 6- erect grid, the horizontal grid of 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 slot, 17- steel wire ropes, 18- microstomes.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples, but not as new to this practicality Any restrictions of type.
A kind of microstome monoblock cast plane rolling formula trash rack of the utility model, as shown in figs. 1-7, which is The molding integral structure of one-step casting;Including rectangular frame 1;Rectangular frame 1 is rectangle ring structure, and four exterior angles of straight-flanked ring are equal For arc chord angle;1 center of top of rectangular frame is equipped with lifting lug 2, and two idler wheels up and down are respectively equipped on two columns of rectangular frame 1 Hole 3,1 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 and one being equally spaced The horizontal grid 7 that group is equally spaced;Rectangular frame 1 between two perpendicular grid 6 and between perpendicular grid 6 and rectangular frame 1 It is equipped with round deflector hole 8, oval deflector hole 9 is equipped in the horizontal grid 7 between two perpendicular grid 6;Two horizontal grid 7 it Between rectangular frame 1 be equipped with rectangular guiding hole 10, between two horizontal grid 7 and between horizontal grid 7 and rectangular frame 1 Perpendicular grid 6 is equipped with right-angled trapezium deflector hole 11.The height at perpendicular 6 both ends of grid is identical as the thickness of rectangular frame 1, and and rectangle Frame 1 connects;The side that meets water of perpendicular grid 6 is arc-shaped edges, and the lower part for erecting 6 upstream face of grid is equipped with right angle hook 15.Rectangular frame 1 It is respectively equipped with a pair of of idler wheel hole 3 up and down on two columns, is equipped with idler wheel 4 in each idler wheel hole 3, idler wheel 4 is fixed through wheel shaft 12 In idler wheel hole 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 It is equipped with chamfering with the flow-passing surface front and back end of horizontal grid 7, chamfer shape is streamlined cambered surface.
Embodiment
A kind of microstome monoblock cast plane rolling formula trash rack of the utility model, as shown in figs. 1-7, trash rack one Four angles of secondary casting and forming structure, including rectangular frame 1, rectangular frame 1 are great circle corner structure;1 top casting of rectangular frame Make the lifting lug 2 for being useful for lifting trash rack;1 both sides of rectangular frame are cast with the side slide block 5 with 16 basal sliding of grid slot, side It is arcuate to the shape of sliding block 5, side slide block 5 is monosymmetric circular arc convex body, the sliding surface of side slide block 5 and grid trench bottom For arc surface;Gap between the sliding rail of 16 bottom of grid slot is 10~20mm.It is cast respectively on the column of 1 both sides of rectangular frame It is useful for the idler wheel hole 3 of installation idler wheel 4, all right-angle sides in idler wheel hole 3 are fillet.Idler wheel 4 is installed in idler wheel hole 3, is rolled The diameter of wheel 4 is slightly less than the width of grid slot 16, and idler wheel 4 is as main reversed bearing;Idler wheel 4 is mounted on idler wheel hole 4 by wheel shaft 12 Interior, wheel shaft 12 is fixedly connected by bolt 13 with rectangular frame 1.Rectangle is cast with respectively on the column of 1 both sides of rectangular frame to lead All right-angle sides of discharge orifice 10, rectangular guiding hole 10 are fillet.1 top of rectangular frame and lower part are symmetrically cast with round water conservancy diversion Hole 8.When casting rectangular frame 1, 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 constituted Lattice-shaped trash rack;The shape of perpendicular grid 6 is arcuate, and upstream face is arc surface, and downstream face is plane, the casting of arc surface lower part 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 in every perpendicular grid 6 Trapezoidal deflector hole 11, right-angled trapezium deflector hole 11 are located 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 of the perpendicular grid in the height of horizontal grid 7 and present position 6 is corresponding, horizontal grid The height at 7 both ends is corresponding with the thickness of rectangular frame 1.One group of oval deflector hole 9, oval water conservancy diversion are equipped in every horizontal grid 7 Hole 9 is located 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 utility model blocks dirty state, and as seen from the figure, the trash rack of the utility model passes through when working Steel wire rope 17 is connect with the lifting lug 2 at 1 top of rectangular frame, and the other end of steel wire rope 17 is connect with lifting equipment.As shown in figure 9, Trash rack is lifted in grid slot 16 by lifting equipment, trash rack gear is slowly transferred in 18 front end of microstome, realizes and block dirt Effect.

Claims (5)

1. a kind of microstome monoblock cast plane rolling formula trash rack, it is characterised in that:The trash rack is that one-step casting is molding Integral structure;Including rectangular frame(1);Rectangular frame(1)Four exterior angles for rectangle ring structure, 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 idler wheel hole(3), idler wheel Hole(3)It is interior to be equipped with idler wheel(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)The horizontal grid being equally spaced with one group(7);In two perpendicular grid(6)Between and perpendicular grid (6)With rectangular frame(1)Between rectangular frame(1)It is equipped with round deflector hole(8), in two perpendicular grid(6)Between cross 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 idler wheel hole up and down(3), each idler wheel hole(3)Inside it is equipped with idler wheel(4), idler wheel(4) Through wheel shaft(12)It is fixed on idler wheel 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.
CN201721677119.8U 2017-12-05 2017-12-05 Small-orifice integrally-cast plane rolling type trash rack Active CN207619936U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721677119.8U CN207619936U (en) 2017-12-05 2017-12-05 Small-orifice integrally-cast plane rolling type trash rack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721677119.8U CN207619936U (en) 2017-12-05 2017-12-05 Small-orifice integrally-cast plane rolling type trash rack

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CN207619936U true CN207619936U (en) 2018-07-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107964922A (en) * 2017-12-05 2018-04-27 中国电建集团贵阳勘测设计研究院有限公司 Small-orifice integrally-cast plane rolling type trash rack

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107964922A (en) * 2017-12-05 2018-04-27 中国电建集团贵阳勘测设计研究院有限公司 Small-orifice integrally-cast plane rolling type trash rack
CN107964922B (en) * 2017-12-05 2024-05-14 中国电建集团贵阳勘测设计研究院有限公司 Small-hole integral casting plane rolling type trash rack

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