CN108360478A - Interior traction dilation formula trash rack - Google Patents
Interior traction dilation formula trash rack Download PDFInfo
- Publication number
- CN108360478A CN108360478A CN201810261535.2A CN201810261535A CN108360478A CN 108360478 A CN108360478 A CN 108360478A CN 201810261535 A CN201810261535 A CN 201810261535A CN 108360478 A CN108360478 A CN 108360478A
- Authority
- CN
- China
- Prior art keywords
- bar
- grizzly bar
- activity
- parallel
- trash rack
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/06—Barriers therefor construed for applying processing agents or for collecting pollutants, e.g. absorbent
-
- 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)
- Environmental & Geological Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses dilation formula trash rack is drawn in one kind, multigroup grizzly bar is located at the frame mid portion of water passage side by side, and every group of grizzly bar includes the upper grizzly bar of activity and the lower grizzly bar of activity, and the two is hinged by central shaft；The upper end of grizzly bar and the lower end of the lower grizzly bar of activity are respectively hinged at corresponding move in parallel on bar in activity；The both ends for moving in parallel bar up and down have been respectively articulated with interlocking bar, and the sliding axle of the end of each interlocking bar is set in corresponding convergence slideway, are provided with the driving mechanism that driving moves in parallel bar contraction up and down.When dirt passes through trash rack from water inlet, big dirt can not be passed through by the obstruction of trash rack, sliding of the present apparatus by automatic device control-rod in slideway, to control the folding of swallow-tail form grizzly bar, increase the handling capacity of trash rack dirt.
Description
Technical field
The invention belongs to hydraulic engineerings to block dirty equipment technical field, be primarily adapted for use in the dirt of blocking of intake of hydropower station, specifically
It is related to a kind of swallow-tail form trash rack controlling grizzly bar folding by automatic device.
Background technology
It fetches water in water conveyance structure, trash rack is indispensable equipment.In pumping plant, power station and Shiplock Culvert
Trash rack is generally arranged in water inlet, to block the sundries such as the water plant of picked out band in flow, drift wood（Commonly referred to as dirt）, make dirt
It is not easy to flow into penstock, to protect unit, gate, valve and pipeline without damage, ensures the equipment such as unit, the safety fortune of structure
Row.Whether the arrangement of trash rack rationally directly influences the safe operation of building and trash rack itself, if arrangement is unreasonable
It can cause prodigious loss economically and bring the inconvenience of operational management.When arrangement and design trash rack, it should utilize as much as possible
The advantages such as flow direction and landform avoid dirt into people's water inlet, to mitigate the threat to trash rack as possible；It is required that grid
Flow smoothes out, and head loss is small；In addition, being considered as removing contamination conveniently, it is easily installed, overhauls and replaces.
Trash rack includes grid leaf and grid slot embedded part two parts.Grid leaf is made of grid face and scaffold, and grid face is several piece
Grid connection arranges, and grid is formed by connecting by the metal grizzly bar of parallel storing, and the mode of connection is bolted and welds
Two kinds.Bolted trash rack is the trash rack that a kind of grid and grizzly bar are detachable and replace, and grid is to use stay bolt
By the grizzly bar of parallel storing through together.In order to keep grizzly bar spacing, equidistant spacer ring, stay bolt two are set between grizzly bar
End is screwed with nut.Grid is fixed on u shape bolts on scaffold.The trash rack being welded to connect is non-removable welding knot
Structure, grizzly bar weld together composition grid with floor, and the grizzly bar in grid is then directly welded on scaffold, forms grid
Face.But these conventional trash racks grizzly bar in normal work is fixed, and the sundries contained by the upland water is too many, trash rack be unable to from
Dynamic folding, carries out self body adjustment, and dirt is caused to be attached to trash rack surface so that dirt handling capacity is insufficient, causes to block
Dirty grid voltage difference frequency is numerous exceeded, frequency of removing contamination height.By the improvement to swallow-tail form grizzly bar, dirt blocks dirt by increasing before water inlet
The handling capacity of grid dirt.
Invention content
For the problem for blocking dirty equipment dirt handling capacity difference at present, by changing to conventional dovetail grizzly bar trash rack
Into the present invention provides a kind of trash rack controlling grizzly bar folding by automatic device.
Scheme is used by the present invention solves its technical problem：Dilation formula trash rack, including grid are drawn in a kind of
Item and water passage, multigroup grizzly bar are located at the frame mid portion of water passage side by side, and every group of grizzly bar includes the upper grizzly bar of activity and activity
Lower grizzly bar, the two can be swung by the way that central shaft is hinged；Frame on the inside of water passage includes upper and lower two flat
Row mobile bar, the upper end of the upper grizzly bar of activity and the lower end of the lower grizzly bar of activity are respectively hinged at corresponding move in parallel on bar；
The both ends for moving in parallel bar up and down have been respectively articulated with interlocking bar, and the end of each interlocking bar is separately installed with sliding axle；Meanwhile in mistake
The symmetrical convergence slideway that entrance is more than outlet is fixedly installed on the both sides inner wall of aquaporin, each sliding axle Matching installation is in correspondence
Convergence slideway in；It is each provided with location hole at the both ends for moving in parallel bar up and down simultaneously and is equipped with respectively in positioning aperture and lead
To wheel, two steel wire ropes are looped around respectively to be moved in parallel on the directive wheel at bar both ends up and down, and one end of every steel wire rope is fixed, separately
On traction wheel, traction wheel is sequentially connected one ends wound with driving mechanism；Meanwhile in the upper grizzly bar of all or part of activity and work
The torsional spring of grizzly bar and the lower grizzly bar Automatic-expanding of activity in activity can be made by being equipped between dynamic lower grizzly bar.
Locating shaft has been uniformly arranged on bar in described move in parallel, the diameter of locating shaft is less than the diameter for moving in parallel bar,
Item is set in the lower grizzly bar of activity moves in parallel the corresponding locating shaft of bar.
The beneficial effects of the invention are as follows：When dirt passes through trash rack from water inlet, big dirt can be by trash rack
It stops and can not pass through, sliding of the present apparatus by automatic device control-rod in slideway, to control opening for swallow-tail form grizzly bar
It closes, increases the handling capacity of trash rack dirt.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the side structure schematic diagram of Fig. 1.
Fig. 4 is the contraction state schematic diagram of Fig. 3.
Figure label 1 is to move in parallel bar, and 2 be the upper grizzly bar of activity, and 3 be the lower grizzly bar of activity, and 4 be locating shaft, centered on 5
Axis, 6 be convergence slideway, and 7 be interlocking bar, and 8 be sliding axle, and 9 be location hole, and 10 be directive wheel, and 11 be traction wheel, and 12 be driving
Axis, 13 be steel wire rope, and 14 be fixing end.
Specific implementation mode
As depicted in figs. 1 and 2, multigroup grizzly bar of interior traction dilation formula trash rack is located at the frame of water passage side by side
Middle part.As shown in figure 3, every group of grizzly bar includes the upper grizzly bar 2 of activity and the lower grizzly bar 3 of activity, the two is hinged by central shaft 5
It can swing.
Fig. 1 and Fig. 2 shows frame structure relationship, and the frame on the inside of water passage includes upper and lower two and moves in parallel
Bar 1.The upper end of grizzly bar 2 and the lower end of movable lower grizzly bar 3 are respectively hinged at corresponding move in parallel on bar 1 in activity.Specifically,
Locating shaft 4 is uniformly arranged on moving in parallel bar 1, the diameter of locating shaft 4 is less than the diameter for moving in parallel bar 1, item and activity
Lower grizzly bar 3, which is set in, moves in parallel 1 corresponding locating shaft 4 of bar.
The both ends for moving in parallel bar 1 up and down have been respectively articulated with interlocking bar 7, and the end of each interlocking bar 7 is separately installed with sliding
Axis 8.Meanwhile the symmetrical convergence slideway 6 that entrance is more than outlet, each sliding axle are fixedly installed on the both sides inner wall of water passage
8 Matching installations are in corresponding convergence slideway 6.
Again the both ends for moving in parallel bar 1 up and down be each provided with location hole 9 and respectively in location hole 9 mouthfuls directive wheel is installed
10, two steel wire ropes 13 are looped around respectively to be moved in parallel on the directive wheel 10 at 1 both ends of bar up and down, and one end of every steel wire rope 13 is solid
Fixed, the other end is wrapped on traction wheel 11, and traction wheel 11 is sequentially connected with driving mechanism.Under the upper grizzly bar 2 of each activity and activity
The torsional spring of grizzly bar 2 and lower 3 Automatic-expanding of grizzly bar of activity in activity can be made by being equipped between grizzly bar 3.Under natural conditions, in torsional spring
Grizzly bar 2 and the lower grizzly bar 3 of activity are all in unfolded state in the activity of the lower each group grizzly bar of effect, the case where needing to change water amount
Under, by driving traction wheel 11 to drive 13 contractile motion of both sides steel wire rope again, shunk to which driving moves in parallel bar 1 up and down
Movement drives grizzly bar 2 and the lower grizzly bar 3 of activity in the activity of each group grizzly bar to carry out contractile motion by moving in parallel bar 1 up and down at this time,
Realize the purpose of control displacement.When dirt passes through trash rack from water inlet, the trash rack controlled by automatic device is in reality
Shi Shi starts automatic device first, and then bar is slided by controlling in slideway, to which chain bar and grizzly bar are gradually closed so that
Dirt handling capacity increases.
Claims (2)
1. drawing dilation formula trash rack, including grizzly bar and water passage in a kind of, multigroup grizzly bar is located at water passage side by side
Frame mid portion, it is characterized in that：Every group of grizzly bar includes the upper grizzly bar of activity and the lower grizzly bar of activity, and the two is hinged on one by central shaft
Rising can swing；Frame on the inside of water passage includes upper and lower two and moves in parallel bar, the upper end of the upper grizzly bar of activity
It is respectively hinged at corresponding move in parallel on bar with the lower end of grizzly bar under activity；The both ends for moving in parallel bar up and down have been respectively articulated with
The end of interlocking bar, each interlocking bar is separately installed with sliding axle；Meanwhile be fixedly installed on the both sides inner wall of water passage into
Mouth is more than the symmetrical convergence slideway of outlet, and each sliding axle Matching installation is in corresponding convergence slideway；Simultaneously in upper and lower parallel shifting
The both ends of lever are each provided with location hole and are equipped with directive wheel in positioning aperture respectively, and two steel wire ropes are looped around up and down respectively
On the directive wheel for moving in parallel bar both ends, one end of every steel wire rope is fixed, and the other end is wrapped on traction wheel, traction wheel and drive
Motivation structure is sequentially connected；Meanwhile it being equipped between grizzly bar under the upper grizzly bar of all or part of activity and activity and can make activity
The torsional spring of upper grizzly bar and the lower grizzly bar Automatic-expanding of activity.
2. interior traction dilation formula trash rack according to claim 1, it is characterized in that：It is moved in parallel on bar described
Cloth is provided with locating shaft, and the diameter of locating shaft is less than the diameter for moving in parallel bar, and item is set in parallel with the lower grizzly bar of activity
On the corresponding locating shaft of mobile bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261535.2A CN108360478B (en) | 2018-03-28 | 2018-03-28 | Interior traction dilation formula trash rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261535.2A CN108360478B (en) | 2018-03-28 | 2018-03-28 | Interior traction dilation formula trash rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108360478A true CN108360478A (en) | 2018-08-03 |
| CN108360478B CN108360478B (en) | 2019-10-08 |
Family
ID=63001700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810261535.2A Active CN108360478B (en) | 2018-03-28 | 2018-03-28 | Interior traction dilation formula trash rack |
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| Country | Link |
|---|---|
| CN (1) | CN108360478B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930572A (en) * | 2019-05-02 | 2019-06-25 | 郑州微源科技有限公司 | One kind, which is removed contamination, assists trash rack and its cleaning method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2529231C1 (en) * | 2013-06-10 | 2014-09-27 | Научно-производственная фирма с ограниченной ответственностью "Экополимер" | Mechanical grid |
| CN204151760U (en) * | 2014-10-10 | 2015-02-11 | 刘光 | A kind of trashrack of the easy to clean dirt on power station |
| CN205501963U (en) * | 2016-04-07 | 2016-08-24 | 广州市水电建设工程有限公司 | Be applied to trash rack of medium and small river waterfall water treatment engineering |
| CN206916725U (en) * | 2017-07-06 | 2018-01-23 | 江苏润源水务设备有限公司 | A kind of grid sewage-removing machine grab bucket |
-
2018
- 2018-03-28 CN CN201810261535.2A patent/CN108360478B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2529231C1 (en) * | 2013-06-10 | 2014-09-27 | Научно-производственная фирма с ограниченной ответственностью "Экополимер" | Mechanical grid |
| CN204151760U (en) * | 2014-10-10 | 2015-02-11 | 刘光 | A kind of trashrack of the easy to clean dirt on power station |
| CN205501963U (en) * | 2016-04-07 | 2016-08-24 | 广州市水电建设工程有限公司 | Be applied to trash rack of medium and small river waterfall water treatment engineering |
| CN206916725U (en) * | 2017-07-06 | 2018-01-23 | 江苏润源水务设备有限公司 | A kind of grid sewage-removing machine grab bucket |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930572A (en) * | 2019-05-02 | 2019-06-25 | 郑州微源科技有限公司 | One kind, which is removed contamination, assists trash rack and its cleaning method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108360478B (en) | 2019-10-08 |
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