CN207862871U - A kind of ladder type plane rolling formula trash rack - Google Patents
A kind of ladder type plane rolling formula trash rack Download PDFInfo
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- CN207862871U CN207862871U CN201721677093.7U CN201721677093U CN207862871U CN 207862871 U CN207862871 U CN 207862871U CN 201721677093 U CN201721677093 U CN 201721677093U CN 207862871 U CN207862871 U CN 207862871U
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- trash rack
- ladder type
- trash
- frame
- hypomere
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Abstract
The utility model discloses a kind of ladder type plane rolling formula trash racks, including from top to down through bolt（1）The epimere trash rack being connected as one（2）, stage casing trash rack（3）With hypomere trash rack（4）；Each section of trash rack is by can be in trash rack slot（5）The frame inside scrolled up and down（6）With the ladder type grid body for intercepting dirt（7）Two parts are constituted；Ladder type grid body（7）With frame（6）Upstream face connection.The utility model can increase area of passage, and area of passage can largely reduce civil engineering and metal structure investment according to requiring to determine by adjusting trapezoid cross section size, to reduce trash rack and grid pier quantity.The effect that trash rack opens and closes capacity can be reduced using roller wheel bearing, in big aperture trash rack, headstock gear capacity is effectively reduced, and is reduced investment outlay.
Description
Technical field
The utility model is related to a kind of ladder type plane rolling formula trash racks, belong to hydraulic and hydroelectric engineering metal structure technology neck
Domain.
Background technology
Trash rack be in hydroelectric project compared with frequently with one kind blocking dirty facility, be generally arranged at powerplant intakes, generally adopt
With the vertical pattern of plane, because the grid of trash rack is when crossing grid current speed more than 2m/s, grid vibration is easily damaged strongly, to solve
Generally porous trash rack import is arranged using in each water inlet in the problem, the prior art, in 1 fan of each trash rack import setting
Trash rack increased water section to reduce grid current speed, such pattern generally use by multiple trash rack import water-supply methods
Grid maintenance is removed contamination and proposed to Moveable trash remover, removes contamination and run and facilitates, but there are trash rack intake width is larger, trash rack and
The problems such as quantity is more, and grid pier quantity is also more, and civil engineering and metal structure investment are larger, and economy is poor is arranged in grid slot, therefore, existing
Having technology, there is also deficiencies, up for further perfect.
Utility model content
The purpose of the utility model is to provide a kind of ladder type plane rolling formula trash racks, to solve prior art needs
Multiple trash racks are set, and civil engineering and metal structure invest larger, the poor technical problem of economy, to overcome the prior art
It is insufficient.
What the technical solution of the utility model was realized in：
A kind of ladder type plane rolling formula trash rack of the utility model, including from top to down through be bolted be integrated it is upper
Section trash rack, stage casing trash rack and hypomere trash rack；Each section of trash rack by the frame that can be scrolled up and down in trash rack slot and
Ladder type grid body two parts for intercepting dirt are constituted；The upstream face of ladder type grid body and frame connects.
In aforementioned trash rack, the frame includes a pair of symmetrically arranged side column；Side column is equipped with idler wheel, lockplate and company
Connect hole；It is connected with underbeam through upper beam between two side columns, center pillar, upper beam and underbeam is equipped among upper beam and underbeam and is set at two close end
There is limited block.
In aforementioned trash rack, the frame roof of the epimere trash rack is equipped with top beam, and top beam both ends are connect with side column；Top beam
It is equipped with upper sealing plate and hanging beam, hanging beam is equipped with lifting hole(eyelet)；Hypomere trash rack bottom is equipped with bottom girder.
In aforementioned trash rack, the ladder type grid body includes at least two strip ladder type supports and at least two for being bent into ladder type
A cricoid horizontal screen of ladder type, the support of strip ladder type are connected with vertical screen of the horizontal screen through one group of radial distribution；Strip ladder type
One group of equally distributed vertical grizzly bar is equipped in the upstream edge and bevel edge of support；The downstream side both ends of strip ladder type support and frame
Connection.
In aforementioned trash rack, the vertical screen of the epimere trash rack and center pillar lower end, stage casing trash rack vertical screen and in
The vertical screen and center pillar upper end of column upper and lower ends and hypomere trash rack are equipped with connecting plate, and connecting plate is equipped with bolt hole, in upper
The vertical screen and center pillar of lower three sections of trash racks are through being bolted.
In aforementioned trash rack, the vertical grizzly bar bottom of the hypomere trash rack is equipped with upper crotch.
In aforementioned trash rack, it is streamlined to indulge grizzly bar, vertical screen and horizontal screen upstream face.
In aforementioned hypomere trash rack, ladder type annular support plate is arranged in bottom.
In aforementioned trash rack, the Parallel to the flow direction of the side column is equipped with upper and lower two rectangular openings, and idler wheel is equipped in rectangular opening,
Idler wheel is rotatablely connected through axis pin and side column；Idler wheel protrudes the downstream face of frame.
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, it is ladder type that trash rack front, which uses trapezoidal-structure, grid overflow section, and the trash rack compared with same widths increases overcurrent
Area, area of passage can largely reduce trash rack quantity according to requiring to determine by adjusting trapezoid cross section size, from
And grid pier quantity is reduced, for the little water inlet of width, multiple trash rack imports can be combined into a trash rack import, larger journey
The reduction civil engineering and metal structure of degree are invested.2, trash rack rear portion uses rectangular configuration, main bearing, reversed bearing and lateral-supporting
Limit method is identical as the rectilinear trash rack of conventional planar, and while increasing the cross-section of river, the steady of trash rack is effectively ensured
Operation；3, all around there are connection, trash rack whole between the epimere trash rack of trash rack, stage casing trash rack and hypomere trash rack
Body is strong, and stability is good；4, it is streamlined to indulge grizzly bar, vertical screen and horizontal screen upstream face, reduces flow damping, reduces grid
Vibration when overcurrent；5, dirt is hooked when lower perpendicular grizzly bar is conducive to remove contamination equipped with upper crotch；6, upper envelope is equipped at the top of trash rack
Plate enclosed construction, effectively prevent dirt to enter water inlet passage from top；7, the horizontal screen of trash rack is provided with trapezoidal hole, has
The effect of trash rack weight is reduced, and waters connection is preferable after trash rack, has and reduces differential water pressures effect, reduces what trash rack was born
Load is conducive to the safety of trash rack structure；8, ladder type annular support plate is arranged to trash rack along gravity direction in trash rack bottom
The supporting role having had can also prevent dirt from entering water inlet stream from bottom in addition to it can reduce trash rack along the deformation of gravity direction
Road；9, trash rack side bar uses local setting roller wheel bearing frame pattern, is arranged in the case where not changing trash rack side bar agent structure
Roller wheel bearing device has the function of that reducing trash rack opens and closes capacity, and in big aperture trash rack, headstock gear capacity obtains effectively
It reduces, reduces investment outlay.
Description of the drawings
Fig. 1 is the general structure schematic diagram of the utility model；
Fig. 2 is the general structure schematic diagram of epimere trash rack；
Fig. 3 is the circuit theory schematic diagram of epimere trash rack；
Fig. 4 is the structural schematic diagram of the ladder type grid body of epimere trash rack；
Fig. 5 is the general structure schematic diagram of stage casing trash rack；
Fig. 6 is the circuit theory schematic diagram of stage casing trash rack；
Fig. 7 is the structural schematic diagram of the ladder type grid body of stage casing trash rack；
Fig. 8 is the general structure schematic diagram of hypomere trash rack；
Fig. 9 is the circuit theory schematic diagram of hypomere trash rack；
Figure 10 is the structural schematic diagram of the ladder type grid body of hypomere trash rack；
Figure 11 is the application example 1 of the utility model；
Figure 12 is the application example 2 of the utility model.
In figure：1- bolts, 2- epimeres trash rack, the stage casings 3- trash rack, 4- hypomeres trash rack, 5- trash racks slot, 6- frames,
7- ladder type grid body, 8- side columns, 9- idler wheels, 10- lockplates, 11- connecting holes, 12- upper beams, 13- underbeams, 14- center pillars, 15- limits
Block, 16- top beams, 17- upper sealing plates, 18- hanging beams, 19- lifting hole(eyelet)s, 20- bottom girders, the support of 21- strip ladder types, the horizontal screens of 22-, 23- are vertical
Screen, 24- indulge grizzly bar, 25- connecting plates, 26- bolts hole, the upper crotches of 27-, 28- rectangular openings, 29- ladder type annular supports plate, 30-
Axis pin, the trash rack of 31- the utility model, 32- powerplant intakes.
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 ladder type plane rolling formula trash rack of the utility model, as shown in Figure 1：Including connecting from top to down through bolt 1
It is connected in integrated epimere trash rack 2, stage casing trash rack 3 and hypomere trash rack 4；Each section of trash rack is by can be in trash rack slot 5
The frame 6 scrolled up and down and 7 two parts of ladder type grid body for intercepting dirt are constituted；Ladder type grid body 7 and the upstream face of frame 6 connect
It connects.
As shown in fig. 6, the frame includes a pair of symmetrically arranged side column 8；Side column 8 is equipped with idler wheel 9,10 and of lockplate
Connecting hole 11；It is connected through upper beam 12 and underbeam 13 between two side columns 8, center pillar 14, upper beam 12 is equipped among upper beam 12 and underbeam 13
Limited block 15 is equipped at two close end with underbeam 13.As shown in figure 3, the frame roof of epimere trash rack 2 is equipped with top beam 16, top beam
16 both ends are connect with side column 8；Top beam 16 is equipped with upper sealing plate 17 and hanging beam 18, and hanging beam 18 is equipped with lifting hole(eyelet) 19.As shown in figure 9,
4 bottom of hypomere trash rack is equipped with bottom girder 20.
As shown in fig. 7, the ladder type grid body 7 includes at least two strip ladder type supports 21 and at least two for being bent into ladder type
A cricoid horizontal screen 22 of ladder type, the vertical screen 23 of strip ladder type support 21 and horizontal screen 22 through one group of radial distribution connect；
It is equipped with one group of equally distributed vertical grizzly bar 24 in the upstream edge and bevel edge of strip ladder type support 21；Under strip ladder type support 21
Trip side both ends are connect with frame 6.
As shown in Fig. 3~10,14 lower end of vertical screen 23 and center pillar of epimere trash rack 2, the vertical screen 23 of stage casing trash rack 3
It is equipped with connecting plate 25, connecting plate 25 with the vertical screen 23 and 14 upper end of center pillar of 14 upper and lower ends of center pillar and hypomere trash rack 4
Equipped with bolt hole 26, the vertical screen 23 and center pillar 14 of three sections of trash racks of upper, middle and lower are connected through bolt 1.
As shown in figure 8,24 bottom of vertical grizzly bar of hypomere trash rack 4 is equipped with upper crotch 27.The Parallel to the flow direction of side column 8 is equipped with
Upper and lower two rectangular openings 28, rectangular opening 28 is interior to be equipped with idler wheel 9.
As shown in Figure 10, the 21 setting ladder type annular support plate 29 of strip ladder type support of 4 bottommost of hypomere trash rack.
As shown in figure 8, idler wheel 9 is rotatablely connected through axis pin 30 and side column 8；Idler wheel 9 protrudes the downstream face of frame 6.
Embodiment
The ladder type plane rolling formula trash rack of this example is by sequentially connected epimere trash rack 2, stage casing trash rack 3 from top to down
It is constituted with hypomere trash rack 4；Multiple stage casing trash racks 3 can be used according to aperture height.Connect through bolt 1 and axis pin between each section
It connects.Every section of trash rack is made of frame 6 and ladder type grid body 7.The frame 6 of stage casing trash rack 3 is equipped with two side columns 8, on side column 8
Equipped with idler wheel 9, lockplate 10, limited block 15 and connecting hole 11；Idler wheel 9 is rolled with trash rack slot 5 and is connected, and is opened with reducing trash rack
Frictional force when closing；Lockplate 10 is used to lock the position of trash rack；Limited block 15 when preventing trash rack from opening and closing or so for shaking
It is dynamic；Two side columns are connected through upper beam 12 and underbeam 13.The centre of upper beam 12 and underbeam 13 is equipped with center pillar 14,14 one end of center pillar or two
End is equipped with connecting plate 25, and connecting plate 25 is equipped with bolt hole 26.Connecting hole 11 and bolt hole 26 are used to connection epimere or hypomere
Trash rack.The frame 6 of epimere trash rack 2 is the increase in a top beam 16,16 both ends of top beam and side with the difference of stage casing trash rack 3
Column 8 connects；Top beam 16 is equipped with upper sealing plate 17 and hanging beam 18, and hanging beam 18 is equipped with lifting hole(eyelet) 19；The frame 6 of hypomere trash rack 4 with
The difference of stage casing trash rack 3 is the increase in a foundation beam 20.Hanging beam 18 is arranged in the middle part of upper sealing plate 17 flows to downstream.
The ladder type grid body 7 of stage casing trash rack 3 is bent into trapezoidal strip ladder type support 21 and at least two including at least two
The cricoid horizontal screen of a ladder type 22；The vertical screen 23 of strip ladder type support 21 and horizontal screen 22 through one group of radial distribution connects；
Strip ladder type support 21 is used to support vertical grizzly bar 24, and strip ladder type supports 21 outer circles to be equipped with one group of equally distributed vertical grizzly bar 24；
Strip ladder type supports 21 both ends to be bolted with frame 6, can also directly be welded with frame 6.Upper sealing plate 17 be it is trapezoidal, on
The trapezoidal side of sealing plate 17 and 21 welding of strip ladder type support, straight flange and the top beam of 17 rear end of upper sealing plate weld.Horizontal screen 22 is ladder
Type ring shape, the trapezoidal side of front end are welded with vertical grizzly bar 24, and horizontal screen 22 is welded with vertical screen 23.Horizontal screen 22 also serves as longitudinal branch
Support.
The Parallel to the flow direction of side column 8 is equipped with upper and lower two rectangular openings 28, and idler wheel 9 is equipped in rectangular opening 28.
In hypomere trash rack 4, ladder type annular support plate 29 is arranged in bottom.
Idler wheel 9 is rotatablely connected through axis pin 30 and side column 8；Idler wheel 9 protrudes the downstream face of frame 6.
The upstream face of vertical grizzly bar 24, vertical screen 23 and horizontal screen 22 is streamlined, and cyclic annular uniform welding is in strip ladder type
In support 21；24 bottom of vertical grizzly bar of hypomere trash rack 4 is equipped with upper crotch 27.
Figure 11 is the schematic diagram of the application example 1 of the utility model, is flowed to downstream in powerplant intakes 32 and sets gradually two
Road trash rack slot 5, the trash rack 31 of setting the utility model in one of trash rack slot 5 of front, behind in one of trash rack slot 5
Existing plane trash rack still can be used.
Figure 12 is the schematic diagram of the application example 2 of the utility model, is flowed to downstream in powerplant intakes 32 and sets gradually two
The double trash rack slot 5 in road, the trash rack 31 that the utility model is respectively set in double trash rack slot 5 together of front, behind one
Existing plane trash rack still can be used in road trash rack slot.
Claims (4)
1. a kind of ladder type plane rolling formula trash rack, it is characterised in that：Including from top to down through bolt（1）What is be connected as one is upper
Section trash rack（2）, stage casing trash rack（3）With hypomere trash rack（4）；Each section of trash rack is by can be in trash rack slot（5）Above and below interior
The frame of rolling（6）With the ladder type grid body for intercepting dirt（7）Two parts are constituted；Ladder type grid body（7）With frame（6）Upstream
Face connects；The frame includes a pair of symmetrically arranged side column（8）；Side column（8）It is equipped with idler wheel（9）, lockplate（10）And even
Connect hole（11）；Two side columns（8）Between through upper beam（12）And underbeam（13）Connection, upper beam（12）And underbeam（13）Centre is equipped with center pillar
（14）, upper beam（12）And underbeam（13）Limited block is equipped at two close end（15）；The epimere trash rack（2）Frame roof set
There is top beam（16）, top beam（16）Both ends and side column（8）Connection；Top beam（16）It is equipped with upper sealing plate（17）And hanging beam（18）, hanging beam
（18）It is equipped with lifting hole(eyelet)（19）；Hypomere trash rack（4）Bottom is equipped with bottom girder（20）；The ladder type grid body（7）Including at least two
It is bent into the strip ladder type support of ladder type（21）With the cricoid horizontal screen of at least two ladder types（22）, the support of strip ladder type（21）With
Horizontal screen（22）Vertical screen through one group of radial distribution（23）Connection；Strip ladder type supports（21）Upstream edge and bevel edge on
Equipped with one group of equally distributed vertical grizzly bar（24）；Strip ladder type supports（21）Downstream side both ends and frame（6）Connection.
2. ladder type plane rolling formula trash rack according to claim 1, it is characterised in that：The epimere trash rack（2）It is vertical
Screen（23）And center pillar（14）Lower end, stage casing trash rack（3）Vertical screen（23）And center pillar（14）Upper and lower ends and hypomere block
Dirty grid（4）Vertical screen（23）And center pillar（14）Upper end is equipped with connecting plate（25）, connecting plate（25）Equipped with bolt hole（26）, on
In lower three sections of trash racks vertical screen（23）And center pillar（14）Through bolt（1）Connection.
3. ladder type plane rolling formula trash rack according to claim 1, it is characterised in that：The hypomere trash rack（4）It is vertical
Grizzly bar（24）Bottom is equipped with upper crotch（27）.
4. ladder type plane rolling formula trash rack according to claim 1, it is characterised in that：The side column（8）Stream side downstream
To equipped with upper and lower two rectangular openings（28）, rectangular opening（28）It is interior to be equipped with idler wheel（9）, idler wheel（9）Through axis pin（30）With side column（8）Turn
Dynamic connection；Idler wheel（9）Prominent frame（6）Downstream face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721677093.7U CN207862871U (en) | 2017-12-05 | 2017-12-05 | A kind of ladder type plane rolling formula trash rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721677093.7U CN207862871U (en) | 2017-12-05 | 2017-12-05 | A kind of ladder type plane rolling formula trash rack |
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| Publication Number | Publication Date |
|---|---|
| CN207862871U true CN207862871U (en) | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721677093.7U Active CN207862871U (en) | 2017-12-05 | 2017-12-05 | A kind of ladder type plane rolling formula trash rack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108060659A (en) * | 2017-12-05 | 2018-05-22 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of ladder type plane rolling formula trash rack |
-
2017
- 2017-12-05 CN CN201721677093.7U patent/CN207862871U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108060659A (en) * | 2017-12-05 | 2018-05-22 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of ladder type plane rolling formula trash rack |
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