CN2167123Y - Canal screen with automatically blocking and removing garbage - Google Patents
Canal screen with automatically blocking and removing garbage Download PDFInfo
- Publication number
- CN2167123Y CN2167123Y CN 93239335 CN93239335U CN2167123Y CN 2167123 Y CN2167123 Y CN 2167123Y CN 93239335 CN93239335 CN 93239335 CN 93239335 U CN93239335 U CN 93239335U CN 2167123 Y CN2167123 Y CN 2167123Y
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- trashrack
- grid
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- main
- dirt
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Abstract
The utility model relates to a dirt blocking and removing device used by water inlet channels in water-conservancy and hydropower facilities. The utility model is matched with piers, and is connected with power and a dirt conveying mechanism. The utility model is composed of a frame-shaped grid body 1, a main dirt blocking grid 4 which is fixedly connected with the grid body and is provided with joint grids of which at least one is provided with multiple grid pieces 2, a raising mechanism which rotates around the main dirt blocking grid and is provided with a transmission chain 5, at least one tooth rake 6, which is connected with the transmission chain, of the main dirt blocking grid, and an auxiliary dirt blocking grid 7 which is arranged in upper direction of the bottom of the main dirt blocking grid. The tooth rake is provided with a front comb which is inserted in grid pieces, and a back tooth which extends in upper direction. The utility model can block and eliminates, in water channels, soft dirt of weeds, etc., and large dirt of trees, branches, ice blocks, etc.
Description
The utility model relates in the water conservancy and hydropower facility the dirty foreign material of inlet channel and blocks collection and remover.
Water inlet in Hydraulic and Hydro-Power Engineering is provided with trashrack, be to improve the inlet gate condition of work, prevent that dirts such as trees, ice cube, branch, weeds from entering diversion system, jam pipeline, water pump or the hydraulic turbine and distributor guarantee the critical facility of its operate as normal.Dirt in the water that is stopped by trashrack, the time day of year tired, gathered manyly, just cause trashrack to stop up, reduce the cross-section of river, loss head reduces flow, influence is drawn water or is generated electricity.Therefore, remove the dirt on the trashrack, for the security of operation that guarantees drainage and irrigation station or power station, to increase economic efficiency be very essential., mistake grid current speed big runoff diversion and power hinge many to floating thing, particularly important.
The dirty device of existing pollutant-blocking grate has electronic slusher gate-type trashrack descaling machine, is to make a kind of hook rake--slusher, relies on deadweight to put down along the grid sheet, and machine power makes it pack up drag head, picks up dirt and drags up.Its shortcoming is to have sturdy dirt such as tree rod etc. to insert on the grid face to float jam or dirt to gather when too many, and slusher fails to lay down, and can't continue operation.Another kind of revolution grid formula trashrack descaling machine, trashrack is divided into a joint about 1 meter, be together in series with chain, drive the revolution of grid body, mention on the grid that hook drags for except that dirt, this device is used in the small hydropower station water inlet, be the expert of row ice, but when being used in medium-and-large-sized Hydraulic and Hydro-Power Engineering, because of every group of construction weight can reach more than 110 ton, and even at the trial, because of very not nimble the abrogating of running.Also has a kind of trash rake that is used for the steam power station, be to adopt rotary sieve commonly used to remove contamination, its structure is dainty, is applicable to low discharge, removes cogongrass leaf or the like tiny dirt, and flow is big, floating pollutant many and the numerous and diverse Hydraulic and Hydro-Power Engineering of kind and inconvenience is used to quote.
Given this, the purpose of this utility model just is to provide a kind of automatic pollution discharge trashrack that can tackle and can get rid of all size dirt foreign material such as trees in the water channel, branch, ice cube, weeds.
Automatic pollution discharge trashrack of the present utility model (referring to accompanying drawing), adapt with the gate pier of water conservancy and hydropower facility and link to each other with the dirt conveying mechanism with power, the main trashrack (4) of at least one the joint grid of forming by many grid sheets (2) (3) that includes the grid body (1) of shaped as frame and be connected with the grid body, turn round and have the hoisting mechanism of driving-chain (5) around main trashrack, at least one tooth harrow (6) that links to each other with driving-chain is arranged on the above-mentioned main trashrack, and the party upstream in main trashrack bottom has auxiliary trashrack (7).Main trashrack and auxiliary trashrack are horizontally placed in the derivation conduit before one back one, block the dirt in the stream that catchments, and stop it to move on.The dirty foreign material of auxiliary trashrack interception water channel bottom, and utilize flow dynamic that dirty foreign material are delivered to main trashrack and implement to get rid of.Tooth harrow is dragged around turning down on the main trashrack by hoisting mechanism, as people's combing hair, constantly combs and removes current and take dirt on the main trashrack grid sheet to, and it is promoted along main trashrack be transported to the dirt conveyer and remove dirt.
Above-mentioned grid body can become the α angle lapping oblique with the downstream direction horizontal plane, can be α=70 °～90 °, but ° to be advisable 70 °≤α≤88.In order to dirt attached on grizzly bar and the tooth harrow.The guide rail (9,10,11) that the support tooth harrow can be arranged at above-mentioned grid body top turns round in order to hoisting mechanism.The arc-shaped guide plate (12) that joins with conveying mechanism is arranged at above-mentioned grid body top, and the dirt that rises to grid body top is poured onto the dirt conveying mechanism.
Above-mentioned tooth harrow can have box-girder (13), the two ends of box-girder link to each other with driving-chain, at the box-girder downside at least two rollers (14,15,16) that are bearing on grid body or the guide rail of joint on the grid can be arranged, can have a plurality of downward roam all around the woulds to insert the back tooth (18) of the preceding broach (17) that the chisel teeth cutting edge of a knife or a sword is arranged of grid sheet clearance spaces and flank of tooth elevation angle φ=25 °～45 ° and its flank of tooth elevation angle β that a plurality of upwards roam all around the would is stretched out=2 °～20 ° at the box-girder upside.Screen cloth (19) can be arranged on the above-mentioned tooth harrow face.
The said structure of automatic pollution discharge trashrack of the present utility model makes it have following obvious advantage and significant effect.
One, drags down at hoisting mechanism, tooth harrow strikes off the dirt of the collection that blocks on the whole grid face from bottom to top and the exhausted big portion moisture content of perforated dirt traction along the joint grid, turning round blowdown mechanism with original grid body compares, required lifting power can greatly reduce, the design strength and the rigidity of complete machine reduce, both energy-conservation, save material again.
Two, the preceding broach of tooth harrow inserts grid sheet clearance space, when tooth harrow moves upward, the preceding broach of geared surface elevation angle φ and chisel teeth cutting edge of a knife or a sword can be prized and remove, cuts off by current and dash the fine soft dirts such as weeds that insert between the grid sheet, has the back tooth of elevation angle β can prevent that dirt on the tooth harrow from being shoved to impact and comes off.As long as tooth harrow has enough intensity and size, then can fish for and get rid of big part dirt such as trees, the root root and stem of certain plants, branch, ice cube, and can bear the bump of big part dirt.Screen cloth is set on the tooth harrow, can be used for having the water channel of tiny dirt.
Three, on the grid body, guide rail is set, supporting rollern is set, the fractional load that tooth harrow bore is reached the grid body, thereby can alleviate the deadweight of tooth harrow significantly and keep essential strength and stiffness in the box-girder relevant position.Say that in theory the water channel lock hole that this tooth harrow goes for any width is the gate pier spacing both, overweight or amount of deflection excessive that need not worry the tooth harrow beam that causes too greatly because of span is subjected to use restriction.
Four, at the comparatively short auxiliary trashrack of main trashrack party upstream setting, interception suspends in water, roll, move about in the dirt of water channel bottom, particularly as the special object of dead-wood class, making it to be dashed band by current crosses auxiliary trashrack and is tackled and promote eliminating by the above part in main trashrack bottom, thereby prevent that water channel bottom dirt from escaping because of being provided with the rotating space of tooth harrow from main trashrack bottom, or obstruction, strong impaction hoisting mechanism, assurance device normally moves.
Five, main trashrack joint grid adopt cellular structure, promptly main trashrack blocks the grid face of collection dirt, can be spliced to form by a plurality of joint grid, can be look the water channel degree of depth along grid face vertical cube to, being spliced to form by two or three and even more a plurality of joint grid, also can be that to look channel width horizontally-spliced along the grid face.The unit weight of this structure is light, both has been convenient to make, also convenient the installation.
Six, around the rotating tooth harrow quantity of main trashrack, the amount of contaminants in the visual water channel, hoisting depth, speed of gyration and smoothness flexible configuration thereof, thus can obtain best pollution discharge capability, minimum economic energy consumption, minimum manufacturing cost.
Below, elaborate with embodiment and comparative examples accompanying drawing again.
Brief description of drawings
Fig. 1 is the structure of a kind of automatic pollution discharge trashrack of the present utility model and the schematic top plan view of configuration device with it thereof.The display unit total arrangement.
Fig. 2 is the A-A cross-sectional schematic of Fig. 1.Show main trashrack structure.
Fig. 3 is the B-B cross-sectional schematic of Fig. 1.Show main trashrack and auxiliary trashrack, chain elevator structure.
Fig. 4 is the main trashrack of Fig. 3 and the partial schematic diagram of chain elevator structure structure.Press the water conservancy and hydropower drawing norm, Zuo Bantu is that half downstream is looked, and right half figure is that half upstream is looked.Show that main trashrack is spliced to form by three joint grid.
Fig. 5 is the schematic top plan view of Fig. 4.
Fig. 6 is the structural representation of the tooth harrow of Fig. 1.
Fig. 7 is the C-C view of Fig. 5.The show case ellbeam.
Fig. 8 is the structural representation of the another kind of tooth harrow of Fig. 1.Showing screen cloth mats formation on the tooth plate and the back flank of tooth.
Fig. 9 is main trashrack, tooth harrow, the chain of Fig. 1, the structural representation of guiding rail joint portion.
Figure 10 is a kind of sectional schematic diagram of structure of the tooth harrow of Fig. 5.Show when α=70 °～88 °, tooth plate and the equal β in the flank of tooth elevation angle, back=2 °～22 °.
Figure 11 is the another kind of structure section schematic diagram of the tooth harrow of Fig. 5.Show that tooth plate is level, back flank of tooth β=2 °～22 ° when α=90.
Among the figure, S shows horizon, and hollow arrow is shown water (flow) direction, and solid arrow shows the hoisting mechanism traffic direction, and dotted arrow shows dirt conveyer belt traffic direction.
Embodiment 1:
A kind of automatic pollution discharge trashrack of the present utility model is shown in accompanying drawing 1～11.Constitute by main trashrack 4, auxiliary trashrack 7, hoisting mechanism, tooth harrow 6.
Above-mentioned main trashrack 4 has the grid body 1 of the metal shaped as frame structure in the grid groove 21 that is installed in water channel two gate piers 20, and the grid body is horizontal to be blocked in water channel, is the α angle with the downstream direction horizontal plane, and 70 °≤α≤88 ° also can be α=90 °.Three joint grid 3 that the grid body has from bottom to top splicing connect firmly, the joint grid are connected in the grid sheet 2 of the band steel system on the framework by the framework 22 of U-steel with methods such as common weldering, rivetings, and the grid sheet saves alternate the staggering of grid strip terminal of grid up and down along the direction of improvement setting.Between water channel bottom surface bottom the main trashrack and joint grid, leave and hold the space 23 that the revolution tooth harrow passes through.More than the water surface on the top of main trashrack the sheet metal system arc-shaped guide plate 12 that connects firmly at grid body top is arranged, the guide strip upper end is bent to service bridge 24 tops on the gate pier.The grid body or the joint grid near the gate pier two edges, be fixed with 9, one grooved steels of I shape rail steel system backbone siding track 10 respectively and rail 11 in two I shape rail steel systems of appropriate location, middle part.
Above-mentioned auxiliary trashrack 7 is made with shaped steel, slab welding, and it is trapezoidal that cross section is similar hollow, and its upstream face is suitably faced upward tiltedly, and is highly short, suitably exceeds above-mentioned space 23.Auxiliary trashrack can be anchored on the gate floor 25 of the suitable distance of main trashrack party upstream, also can be installed in another grid groove of gate pier.
Above-mentioned hoisting mechanism, motor 27, gearbox 28 on the support 26 that is packed on the service bridge are arranged, the bearing 29 on the reliable both sides, grid body top that are installed in main trashrack and the driving shaft 30 that links to each other with motor, gearbox transmission of installing have the drive sprocket 31 at the two ends that are packed in driving shaft respectively.Be equiped with driven shaft 32 in grid body bottom with bearing, be equipped with respectively and the corresponding driven sprocket 33 of above-mentioned drive sprocket at the driven shaft two ends, article two, the driving-chain 5 of closed loop, around main trashrack periphery and respectively with the engagement of corresponding drive sprocket and driven sprocket, thereby constitute a cover driving chain mechanism in the two edges of main trashrack.Driving-chain adopts roller chain.
Above-mentioned tooth harrow 6, there is a cross section to be the box-girder 13 of the rectangular metal of hollow, the square spigot 34 at the two ends of box-girder is tightly packed in the square sleeve 35, a roller 14 of this square sleeve, roller chain, the wheel carrier 36 of side wheel 15 is housed, dress up one with axle 37 riveting successively, roller, side wheel are wanted and can be rotated flexibly, and match with backbone, the siding track of grid body respectively, and on the corresponding box-girder downside of rail in the grid body common middle roller 16 are housed.Riveting or be welded with steel plate and open the tooth plates 39 of making a plurality of back teeth 18 on the upper side of box-girder is welded with a plurality of forward's teeth 17 that wedge shape forward 38 is arranged of setting on the tooth plate.When tooth harrow runs on the grid face, forward's teeth directional downstream side is inserted grid sheet clearance space 42, the flank of tooth elevation angle φ of forward's tooth=25 °～45 °, back teeth directional party upstream is stretched out, when α=70 °～88 °, as shown in figure 10, the elevation angle of the back flank of tooth and tooth plate thereof equates β=2 °～20 ° when α=90 of adopting main trashrack °, and as shown in figure 11, the tooth plate 39 above the box-girder is level, lift up on the back tooth of its end, the flank of tooth elevation angle is still β=2 °～20 °.On the tooth plate and the back flank of tooth of tooth harrow, can mat formation common screen cloth as shown in Figure 8.The quantity of the tooth harrow that is dragged by driving-chain is determined by the speed of service of blowdown flow rate and tooth harrow, two tooth harrows or a plurality of tooth harrow can be set.
The machinery that continues of this automatic pollution discharge trashrack is belt conveyor 40, and the dirt that the tooth harrow of hoisting mechanism is discharged falls into belt conveyor along arc-shaped guide plate and far transported out of water channel.This automatic pollution discharge trashrack and corollary equipment can be controlled with same electrical control cabinet 41.
Claims (5)
1, automatic pollution discharge trashrack, adapt with the gate pier of water conservancy and hydropower facility and link to each other with the dirt conveying mechanism with power, the main trashrack (4) of at least one the joint grid of forming by many grid sheets (2) (3) that includes the grid body (1) of shaped as frame and be connected with the grid body, turn round and have the hoisting mechanism of driving-chain (5) around main trashrack, it is characterized in that having on the main trashrack at least one tooth harrow (6) that links to each other with driving-chain, the party upstream in main trashrack bottom has auxiliary trashrack (7).
2, automatic pollution discharge trashrack as claimed in claim 1, it is characterized in that said grid body becomes the α angle lapping oblique with the downstream direction horizontal plane, 70 °≤α≤90 °, at least two guide rails (9,10,11) of support tooth harrow are arranged, the arc-shaped guide plate (12) that joins with conveying mechanism is arranged at grid body top.
3, automatic pollution discharge trashrack as claimed in claim 2, it is characterized in that said tooth harrow has box-girder (13), what link to each other with driving-chain is the two ends of box-girder, at the box-girder downside at least two rollers (14,15,16) that are bearing on the grid body are arranged, the back tooth (18) of a plurality of preceding broach (17) that the chisel teeth cutting edge of a knife or a sword is arranged that can insert grid sheet clearance space and flank of tooth elevation angle φ=25 °～45 ° downstream and a plurality of its flank of tooth elevation angle β that stretches out to upper reaches side=2 °～20 ° is arranged at the box-girder upside.
4,, it is characterized in that screen cloth (19) is arranged on the said tooth harrow face as the arbitrary described automatic pollution discharge trashrack of claim 1～3.
5,, it is characterized in that said guide rail comprises rail (11) at least one in the middle part of two backbones (9) that each roller (14,15,16) with tooth harrow matches and that be provided with along grid body edge longitudinal and two siding tracks (10) and the grid body as the arbitrary described automatic pollution discharge trashrack of claim 1～3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93239335 CN2167123Y (en) | 1993-10-05 | 1993-10-05 | Canal screen with automatically blocking and removing garbage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93239335 CN2167123Y (en) | 1993-10-05 | 1993-10-05 | Canal screen with automatically blocking and removing garbage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2167123Y true CN2167123Y (en) | 1994-06-01 |
Family
ID=33813884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93239335 Expired - Fee Related CN2167123Y (en) | 1993-10-05 | 1993-10-05 | Canal screen with automatically blocking and removing garbage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2167123Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100419169C (en) * | 2005-03-30 | 2008-09-17 | 贵阳铝镁设计研究院 | Method and device for automatically removing sewage in grid of water intake of river channel |
| CN101285304B (en) * | 2008-04-21 | 2010-06-09 | 水利部新疆维吾尔自治区水利水电勘测设计研究院 | Rotary ice-salvaging rake cleaner |
| CN102535407A (en) * | 2012-02-08 | 2012-07-04 | 四川大学 | Fold-line-shaped and fan-shaped biaxial rotary sewage blocking and sewage cleaning system |
| CN102549218A (en) * | 2009-09-02 | 2012-07-04 | 特里·L·杜佩隆 | Thin plate apparatus for removing debris from water |
| 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 | Ladder-shaped plane rolling type trash rack |
| CN108729416A (en) * | 2018-06-15 | 2018-11-02 | 励春亚 | One kind is dredged the high blocking dam of heap |
-
1993
- 1993-10-05 CN CN 93239335 patent/CN2167123Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100419169C (en) * | 2005-03-30 | 2008-09-17 | 贵阳铝镁设计研究院 | Method and device for automatically removing sewage in grid of water intake of river channel |
| CN101285304B (en) * | 2008-04-21 | 2010-06-09 | 水利部新疆维吾尔自治区水利水电勘测设计研究院 | Rotary ice-salvaging rake cleaner |
| CN102549218A (en) * | 2009-09-02 | 2012-07-04 | 特里·L·杜佩隆 | Thin plate apparatus for removing debris from water |
| CN102535407A (en) * | 2012-02-08 | 2012-07-04 | 四川大学 | Fold-line-shaped and fan-shaped biaxial rotary sewage blocking and sewage cleaning system |
| CN102535407B (en) * | 2012-02-08 | 2013-11-27 | 四川大学 | Fold-line-shaped and fan-shaped biaxial rotary sewage blocking and sewage cleaning system |
| 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 | Ladder-shaped plane rolling type trash rack |
| CN108729416A (en) * | 2018-06-15 | 2018-11-02 | 励春亚 | One kind is dredged the high blocking dam of heap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |