CN2799674Y

CN2799674Y - Channel deposits cleaning apparatus

Info

Publication number: CN2799674Y
Application number: CN 200520013041
Authority: CN
Inventors: 冯君尧
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-07-05
Filing date: 2005-07-05
Publication date: 2006-07-26
Anticipated expiration: 2015-07-05

Abstract

The utility model relates to a channel sand cleaning apparatus. The channel sand cleaning apparatus comprises a sand sucking head, and a sand discharging pipe, wherein the sand sucking head is arranged on a sand sucker. The sand sucker is provided with a hoisting frame which is provided with a guy rope that is connected with the sand sucking head. The sand discharging pipe is communicated with the sand sucking head, is positioned under a water level and is suspended on a keg float which floats on a water surface through a suspension rope. A group of through holes are distributed on a gate of a channel from top to bottom, and are provided with a sand leaking pipe which communicates both sides of the gate, and one section of the sand leaking pipe, which is positioned outside the gate, is provided with a valve. The sand discharging pipe and the sand leaking pipe are arranged horizontally, and the tail end of the sand discharging pipe is connected with the sand leaking pipe. The utility model has the advantages that the utility model can be formed by the modification of the existing sand sucker and the existing gate; energy source consumption is small and no external force is needed; the utility model can be conveniently operated, has low failure, has large sucking force for discharging sands and little resistance, and has favorable sand discharging effect; a plurality of sand leaking pipes which are arranged on the gate can play roles of discharging flood, resisting drought and leading water.

Description

The river channel silt cleaning device

Technical field

The utility model relates to a kind of dredging method and equipment, is higher than the river channel silt cleaning device in the river course in Plain, two sides in particular for riverbed or water level.

Background technology

At present, some river courses of China, the silt alluvial is quite serious.Especially the Yellow River, for a long time, because the loess plateau of the Yellow River middle and upper reaches, its ecological environment is not very desirable, and severe water and soil erosion is constantly deposited the Yellow River downstream sediment, embankment is forced to constantly increase, and becomes notorious hanging river, serious threat people across the Straits' safety of life and property.But, alluvial does not still have effective method for cleaning for the Yellow River downstream sediment, utilize reservoir filling at present,, silt is entered the Bohai Sea towards the silt sand surfing, it not only invests with project scale big, and silt is subjected to the dual restriction of silt deadweight and water velocity in the course of conveying of long distance, and effect is very not remarkable, water resource waste is also big, and husky resource is not fully used yet.Some engineering measure is that directly establish a row sand tube row in the river bed husky, but its difficulty of construction is bigger, because row's sand tube can not move, it is little that it arranges husky scope, near the silt the sediment ejection opening can only be washed away; And not reducing water level, silt is difficult to eject.In addition, also have some to adopt dredgers, blowdown dredge pump to inhale beach volleyball sand, it expends, and the energy is many, cost is high, efficient is low, and mechanical huge, accident-proneness, result of use are bad.

The disclosed portable sandsucker of Chinese patent (patent No. 91106706), comprise Sand sucking heads and row sand tube, utilization be conventional siphon principle.Arrange sand tube or get over dykes and dams, or cross overfall, its water sand all has the process that moves up in row's sand tube motion process.If row's sand tube gets over dykes and dams, then be subjected to the restriction of water deadweight in the above pipe of the silt deadweight and the water surface, promptly upwards displacement is big more in pipe for water sand, and the resistance that runs into is also big more, and the suction that needs is also big.Therefore under the not enough situation of suction, need constantly add applied force.If row's sand tube with the top phenomenon that leaks air, just can not produce siphonage at the water surface.And, before use, must fill water to the water inlet on row's sand tube, inner air tube is discharged, form vacuum, could produce siphonage.In case stop using, just must just can restart troublesome poeration by the said procedure repetitive operation.If row's sand tube is crossed overfall, the husky amount of the interior row of pipe mainly is subjected to the restriction of silt deadweight, and silt moves up apart from restriction.As previously mentioned, silt moves up apart from big more, and resistance is also big more.In addition, in long sediment transport process, need obtain repeatedly applied force, increase energy consumption.In case drawdown is lower than the overfall situation and crosses the dam as sandline, inconvenience occurs.

Experimental results show that, if row's sand tube and sand dispersing tube all place below the water level, and horizontal arrangement, rely on the pressure of water, water sand will be discharged the air in the sand tube automatically, just can produce eternal siphonage (being different from conventional siphon), convenient just as the tap of fetching boiling water, water sand is discharged automatically.Need not row's sand tube is evacuated, also do not have above-mentioned inconvenience.

The utility model content

The utility model mainly is the shortcoming that will solve above-mentioned prior art, according to eternal siphonage, providing a kind of is used, arranges sand tube with the existing equipment transformation and all be positioned at river channel silt cleaning device below the water level, solve the problem that present silt cleaning plant dredging effect is poor, difficulty of construction is big, can be widely used in the river course of present silted by mud and sand.

The utility model solves the technical scheme that its technical problem adopts:

This river channel silt cleaning device comprises Sand sucking heads, row's sand tube, and Sand sucking heads is located at and is inhaled on the large junk, inhales large junk and is provided with hoisting frame, and this hoisting frame is provided with the lead that is connected with Sand sucking heads; Row's sand tube is communicated with Sand sucking heads, is positioned at below the water level, and hangs in the keg float that floats on the surface by outstanding rope; Have from top to down the one group of through hole that distributes on the gate in river course, this group through hole is provided with the sand dispersing tube that the gate both sides are communicated with, and a section of being positioned at outside the gate of sand dispersing tube is provided with valve; Row's sand tube becomes horizontal arrangement and its end to be connected with sand dispersing tube with sand dispersing tube.

The effect that the utility model is useful is: 1) easy construction, applied range only utilizes existing suction large junk, gate, is reequiped, and gets final product.The river course that is particularly useful for present riverbed water level height, silt alluvial.2) it is little to expend the energy, utilizes the pressure of water-head to arrange automatically, lets out sand, and water delivery sand need not applied force at a distance.3) easy to operate, row's sand tube, sand dispersing tube all are positioned at below the water level, and the process that need not to vacuumize is not worried because gas leakage produces fault yet.4) result of use is good, and row's sand tube becomes horizontal arrangement with sand dispersing tube, and the dried up end of row's sand tube is very near, and the suction of generation is big, and resistance is little, and row is husky effective.5) the many sand dispersing tubes of establishing on the gate also can play flood discharge, drought resisting diversion.

Description of drawings

Fig. 1 is near the structural representation of part the utility model Sand sucking heads;

Fig. 2 is near the structural representation of part the utility model gate;

Fig. 3 is the main TV structure schematic diagram of the utility model gate.

Description of reference numerals: inhale large junk 1, hoisting frame 2, lead 2-1, athwartships propeller 3, connecting rod 4, universal joint 5, Sand sucking heads 6, row's sand tube 7, keg float 8, outstanding rope 8-1, sand dispersing tube 9, gate 10, through hole 10-1, valve 11, rope 12.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing:

The equipment of this realization said method comprises Sand sucking heads 6, row's sand tube 7, and Sand sucking heads 6 is located at and is inhaled on the large junk 1, inhales large junk 1 and can utilize existing drag suction dredger, saves dredge pump and spoil hopper, is equipped with high pressure water pipe (standby).Drag head (being Sand sucking heads 6) that will the band flute profile is connected and gets final product with row's sand tube 7.Inhale large junk 1 and be provided with hoisting frame 2, this hoisting frame 2 is provided with the lead 2-1 that is connected with Sand sucking heads 6; With rope 12 series connection, an end lies in the suction large junk between the keg float 8, and the other end is fixed near the gate 10.Row's sand tube 7 is communicated with Sand sucking heads 6, is positioned at below the water level, and hangs in the keg float 8 that floats on the surface by outstanding rope 8-1.On the existing gate 10 in river course, have three through hole 10-1 that distribute from top to down, correspond respectively to high water level, middle water level, low water stage.This group through hole 10-1 is provided with the sand dispersing tube 9 that gate 10 both sides are communicated with, and sand dispersing tube 9 is positioned at a section of gate 10 outsides and is provided with valve 11; Row's 9 one-tenth horizontal arrangement of sand tube 7 and sand dispersing tube and its end are connected with sand dispersing tube 9.During use, handle hoisting frame 2, make Sand sucking heads 6 contact silts, (meet the closely knit sand of moderate, plastic, low hard plastic clay, sandy soil are washed by water with high pressure water pipe).Open valve 11, by the pressure of water, water is husky just discharges automatically.

Inhaling large junk 1 can be converted by present existing rake suction formula suction large junk.Inhale large junk 1 and be provided with athwartships propeller 7, Sand sucking heads 6 is located at connecting rod 5 front ends that are coupling in hull.Sand sucking heads 6 is provided with universal joint 4.2 pulling lead 2-1 can mention Sand sucking heads 6 by hoisting frame.When sand is too much in row's sand tube 7, can cause clogging.At this moment, mention Sand sucking heads 6, the degree of depth in the control Sand sucking heads 6 insertion sand is perhaps carried Sand sucking heads 6 to from riverbed 80-100cm place (flat with row's sand tube), by changing the mixed proportion of water sand, the sand that stops up is washed away, and assurance water sand is discharged continually.Husky mouthful of place of the suction of Sand sucking heads 6 is provided with filter screen, avoids foreign material to enter row's sand tube 7, causes obstruction.Inhale large junk and also can hoisting frame, connecting rod, universal joint, lead and high pressure water pipe (standby) etc. be installed on dredger by general dredger repacking.Sand sucking heads 6 can adopt existing various Sand sucking heads.

Consider flood control safety factor in flood season, and practical operation is convenient, the gate 10 of band through hole 10-1 can be newly-built separately, places channel place, the former gate outside, and keep a determining deviation (as the ship lock spacing).If the gate in river course 10 bottoms are higher than the riverbed, can build gate in addition, make the gate bottom be lower than the riverbed as far as possible, to raise the efficiency.The gate 10 of band through hole 10-1, the number in its hole and setting and riverbed, water level adapt, and the through hole 10-1 of foot should be lower than riverbed (perhaps being lower than lakebed).Discharging place of water sand is lower than the riverbed, perhaps is lower than the river lowest water level.Through husky moisture from after, water, sand can utilize respectively.

In the time of sand need not being arranged, shut valve 11.Perhaps, as long as Sand sucking heads 6 is promoted to the water surface, can stop row's sand.When needing again row's sand, open valve 11 and get final product, saved the process that vacuumizes repeatedly.When the silt at this place is inhaled almost, will inhale large junk 1 and reach other places, inhale husky again.Like this, by spreading row sand tube 9, the river channel silt cleaning in a big way can be fallen.

Because sedimentary loading is also directly relevant with row's sand tube, caliber is big more, and the husky amount of transporting water is also big more.Therefore, row's sand tube caliber can be slightly larger than footpath, the husky mouth of a river of advancing of Sand sucking heads 6, to obtain bigger hydraulic pressure.In addition, in order to utilize the pressure of water-head to greatest extent, the sand dispersing tube 9 corresponding with low water stage can be located at the height of dried up end 80-100CM, and row's sand tube 9 is apart from the also about 80-100CM in the bottom.At present, because the alluvial of the silt in the river course too much, some gate 10 has been scrapped.Sand dispersing tube 9 can directly be contained on these gates 10, again with its utilization.Perhaps, on the river course, newly establish a gate 10 also can, it is built in the channel place, the outside of original gate; During use, open original gate earlier, inhale husky again.Can extensive use on present existing river course.

The utility model also is applicable to the lake that mud is many, water level is higher, lets out the place under water in the lake, builds the gate of two dark and lakebeds, and the combination of two gates is as ship lock: a gate is used for flood control, and a gate (porous gate) is used to drain mud.Miscellaneous equipment is as river channel silt cleaning equipment, i.e. dredge boat, Sand sucking heads, row's sand tube etc.For large-scale hydraulic engineering (as power station, reservoir), on existing basis, improve, utilize eternal siphon principle, a plurality of row's sand tubes (having valve) are installed, with the water beach volleyball to the husky moisture of two sides, river from locating, water is as industry, agriculture, living water use; Sand is used for building materials.From now on, when newly-built power station, reservoir, also can utilize " eternal siphon " phenomenon, the pre-buried row's sand tube in preceding bottom of the reservior on the dam, sand dispersing tube pass the dam bottom and extend to lower discharging outside the dam.

The water beach volleyball place of putting also is husky separation place of water.By technical finesse, with the husky separation of water, water enters channel, makes industry, agricultural or living water use, and sand is used for building materials, sets forth in addition.

Claims

1, a kind of river channel silt cleaning device, comprise Sand sucking heads (6), row's sand tube (7), Sand sucking heads (6) is located at and is inhaled on the large junk (1), it is characterized in that: inhale large junk (1) and be provided with hoisting frame (2), this hoisting frame (2) is provided with the lead (2-1) that is connected with Sand sucking heads (6); Row's sand tube (7) is communicated with Sand sucking heads (6), is positioned at below the water level, and hangs in the keg float that floats on the surface (8) by outstanding rope (8-1); Have from top to down the one group of through hole (10-1) that distributes on the gate (10) in river course, this group through hole (10-1) is provided with the sand dispersing tube (9) that gate (10) both sides are communicated with, and a section of being positioned at outside the gate (10) of sand dispersing tube (9) is provided with valve (11); Row's sand tube (7) becomes horizontal arrangement and its end to be connected with sand dispersing tube (9) with sand dispersing tube (9).

2, river channel silt cleaning device according to claim 1 is characterized in that: the water-bed 80-100cm of described row's sand tube (7) distance.

3, river channel silt cleaning device according to claim 1 is characterized in that: with rope (12) series connection, an end lies in inhales large junk (1) between the described keg float (8), and the other end is fixed near the gate (10).