CN207348005U - A kind of double-screw type water intaking desilting device - Google Patents
A kind of double-screw type water intaking desilting device Download PDFInfo
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- CN207348005U CN207348005U CN201721207137.XU CN201721207137U CN207348005U CN 207348005 U CN207348005 U CN 207348005U CN 201721207137 U CN201721207137 U CN 201721207137U CN 207348005 U CN207348005 U CN 207348005U
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Abstract
The utility model discloses a kind of double-screw type water intaking desilting device, including water intaking channel, water intaking channel entrance is provided with water fetching device, it is characterized in that, the water intaking channel includes being set up in parallel the irrigation channel and water outlet channel for double helix passage, irrigation channel outer end is sets the water intaking channel import of water fetching device, and irrigation channel the inner communicates at spiral axle center with water outlet channel the inner, and water outlet channel outer end is provided with sand discharge water flowing out structure.The utility model is concentrated with floor space to be easy to arrange, water of fetching water and water quality are more secure, and quality of fetching water is high and is beneficial to the advantages that desilting is cleared up.
Description
Technical field
The utility model belongs to river hydraulic engineering field, and in particular to a kind of double-screw type water intaking desilting device.
Background technology
River channel intake strucure refers to stretching into water-fetching head in rivers, lake using water inlet pipe constructing of fetching water
Thing, generally by water-fetching head, water inlet pipe（Gravity line or siphon pipe）, between water inlet（Or sump）Formed with pump house.Water-fetching head
It is the water inlet portion of river channel intake strucure, is the water intaking source of water pipeline, is often built in riverbank side, and by laying lock
Door controls current.Intake addressing is generally considered as situations such as channel sediment deposition and water intaking water requirement, ensures urban river water
When position is minimum, source water can be also set to enter water pipeline.
Usual intake may be arranged at the less riverbank side of sediment siltation (such as bend concave bank), but engineering is also deposited in practice
In problems with：(1) fetch water by water pump, rely on and waste electric power, water pump longtime running easily fails, stability of fetching water
Difference.(2) pump house, which is built, is limited to channel sediment deposition situation, and addressing is more difficult；Building for intake pump house destroys at the same time
Original channel boundary simultaneously has an impact river regime, causes river-bed deepened after engineering, water level decreasing, and water withdrawal is reduced, it is difficult to is met
Design water demand.(3) water body that water pipeline is directly entered by intake is mingled with suspension bed sediment, influences water quality and because silt sinks
Manufacture into and be jammed.
Utility model content
In view of the above shortcomings of the prior art, technical problem to be solved in the utility model is：One kind how is provided to account for
Ground area is small, and water of fetching water and water quality are more secure, and water intaking quality is high and is beneficial to the double-screw type water intaking desilting dress of desilting cleaning
Put.
In order to solve the above-mentioned technical problem, the utility model employs following technical solution：
A kind of double-screw type water intaking desilting device, including water intaking channel, water intaking channel entrance are provided with water fetching device, its feature
It is, the water intaking channel includes being set up in parallel the irrigation channel and water outlet channel for double helix passage, and irrigation channel outer end is to set
The water intaking channel import of water fetching device is put, irrigation channel the inner communicates at spiral axle center with water outlet channel the inner, outside water outlet channel
End is provided with sand discharge water flowing out structure.
In this way, using the water intaking channel structure of double helix, sand setting floor space can be made to concentrate easy to arrangement, while using double spiral shells
The structure of rotation causes the water inlet end of water intaking channel and water outlet to be respectively positioned on spiral outer end, so just facilitates installation settings water fetching device
Fetch water, and facilitate setting to choke water structure and desilting is better achieved to obtain clear water, be also convenient for setting sand discharge structure to carry out
Sand discharge processing, ensure water intaking channel for a long time operation and it is unimpeded.
As an optimization, sand discharge water flowing out structure includes being formed at the sand discharge port of water outlet channel external port, and sand discharge port is inner
Water outlet channel in be provided with end scouring sluice device, outside bypass phase in the inner water outlet channel of end scouring sluice device
It is connected with to be equipped with and chokes water channel, it is water outlet port to choke water channel external port, chokes water the entrance that channel is connected with water outlet channel and sets
Choke water valve system.
In this way, closing end scouring sluice during water intaking, opening chokes water gate and chokes water channel water intaking from bypass, is more favorable for
River sand is settled to obtain clear water；When water intaking channel desilting is more, it can close and choke water gate, open end scouring sluice, rely on
The current of the more high speed obtained carry out sand surfing sand discharge.
As an optimization, the valve system of choking water chokes water gate and with choking water gate drive connection including vertically arranged
Gate apparatus for controlling of lifting is choked water, gate both sides is choked water and is slidably fit into and be arranged at choking water in lock groove on side wall and can
Lifting is realized in the case where choking water the control of gate apparatus for controlling of lifting, chokes water lock groove and has and extends downwardly into and choke water channel basal surface
The under ground portion of lower section, chokes water lock trough lower part highly more than or equal to gate height is choked water, and chokes water lock trough lower part and divides it
Between formed gate accommodation space enable choke water gate integrally not in choke water channel basal surface lower section.
In this way, can will choke water gate realizes full channel water intaking with sinking to canal completely, can when needing to improve desilting effect
Raised with control and choke water gate, the mode that overflow is choked water in formation is fetched water, and clear water is preferably obtained, when desilting gradually tires out in water intaking channel
When product is thicker, gradually lifting gate height can also be choked water, improve the height of swell, avoid water outlet from taking up desilting, treat that desilting is accumulated
When obtaining higher, then carry out sand surfing processing.
As an optimization, it is described to choke water gate apparatus for controlling of lifting, including be fixedly mounted on choke water gate upper end straight up
Choke water leading screw, further include horizontal be fixedly installed on and choke water choking water above gate and choke water top plate at the top of channel, choke water top plate
On be rotatably mounted with one and choke water nut, choke water leading screw upper end and stretch out and choke water top plate and coordinate on nut is choked water, choke water
Nut outer ring is provided with a circle helical teeth and one is choked water helical gear engagement, chokes water helical gear and is installed on to be fixed on and chokes water on top plate
One is choked water on motor output shaft.
In this way, choking water motor output shaft output rotating, nut rotation can be choked water by choking water helical gear drive, and then
Drive is choked water leading screw and is risen or fallen, and realizes the elevating control to choking water gate, has simple in structure, and control is reliable and stable etc. excellent
Point.
As an optimization, the end scouring sluice device include vertically arranged end scouring sluice and with end scouring sluice
The end scouring sluice apparatus for controlling of lifting that door is sequentially connected, end scouring sluice both sides, which are slidably fit into, is arranged at side wall
On end scouring sluice groove in and can end scouring sluice apparatus for controlling of lifting control under realize lift, end scouring sluice groove
Bottom and water outlet channel basal surface flush.
In this way, when end scouring sluice puts down for water intaking, when needing sand surfing, only need to control end scouring sluice to
Upper opening can carry out sand surfing processing.
As an optimization, the end scouring sluice apparatus for controlling of lifting, including end sand surfing is fixedly mounted on straight up
The end sand surfing leading screw of gate upper end, further includes the horizontal end being fixedly installed at the top of the water outlet channel above the scouring sluice of end
Sand surfing top plate is held, an end sand surfing nut is rotatably mounted with end sand surfing top plate, end sand surfing leading screw upper end is stretched out
Sand surfing top plate in end simultaneously coordinates on end sand surfing nut, and end sand surfing nut outer ring is provided with a circle helical teeth and an end punching
Husky helical gear engagement, end sand surfing helical gear are installed on an end sand surfing motor output shaft being fixed on end sand surfing top plate
On.
In this way, sand surfing motor output shaft in end exports rotating, end sand surfing can be driven by end sand surfing helical gear
Nut rotates, and then drives sand surfing leading screw in end to rise or fall, and realizes the elevating control to end scouring sluice, has structure
Simply, the advantages that reliable and stable is controlled.
As an optimization, in the irrigation channel and water outlet channel, Parallel to the flow direction successively uniform intervals be provided with it is multiple can
The scouring sluice device opened up.
In this way, when water intaking channel is normally fetched water, scouring sluice device opens up gate so that current pass through end punching
Husky valve system is closed, and is choked water valve system and is opened water intaking.When needing sand surfing, first close and choke water valve system, then by end
Scouring sluice device is opened, and first scouring sluice then is closed water storage, then by all sand surfing after the current in front are done
Closing gate, then upwardly opens a part by first scouring sluice again so that water storage in first scouring sluice from this
Gone out below gate, form strong hydraulic jump, carried silt and enter between first scouring sluice and second scouring sluice,
Then after water flow stationary, first scouring sluice is opened completely so that full water is stored in second scouring sluice；Then again by
Two scouring sluices upwardly open a part so that the water storage in second scouring sluice is gone out below the gate, is formed strong
Strong hydraulic jump, carries silt and enters between second scouring sluice and the 3rd scouring sluice；And so on, Parallel to the flow direction
Each scouring sluice device is opened successively until discharging the silt of deposition from sand discharge port after opening end scouring sluice device.
So so that spaced multiple scouring sluices are opened successively, carry silt by the hydraulic jump of formation and go out forward, can be very
Sand surfing purpose is realized well, realizes the sand cleaning of water intaking channel.During implementation, better choice is, adjacent scouring sluice device
Spacing is located at scouring sluice device and upwardly opens in the maximum hydraulic jump length distance that part can be formed.In this way, can be preferably
Ensure above-mentioned hydraulic jump scouring effect.
In conclusion there is the utility model sand setting floor space to concentrate easy to arrangement, water of fetching water and water quality more have guarantor
Barrier, water intaking quality is high and is beneficial to the advantages that desilting is cleared up.
Brief description of the drawings：
Fig. 1 is that plane arrangement structure when a kind of waterpower water intake system for employing the utility model structure is embodied is shown
It is intended to, does not show the structure of scouring sluice device in figure.
Fig. 2 is the right view of single transmissioning mechanism and impeller wheel portion in Fig. 1.
Fig. 3 is the sectional view of independent end scouring sluice device part in Fig. 1.
Fig. 4 is the sectional view that valve system is individually choked water in Fig. 1.
Fig. 5 is the dimensional structure diagram of Fig. 1.
Embodiment
The utility model is made with reference to a kind of waterpower water intake system for employing the utility model structure and its attached drawing
It is further to describe in detail.
Optimal embodiment, referring to Fig. 1-Fig. 5：A kind of waterpower water intake system, including water intaking channel, wherein, water intaking channel import
Place is provided with water fetching device, and water fetching device includes a water intaking cavity 1, and 1 one end of water intaking cavity is provided with positioned at water intaking channel import
The water outlet of top, water outlet are provided with the water one-way valve that goes out of the unidirectional outwards water outlet of control, in water intaking passage other end inner cavity
It is provided with water intaking piston, push-pull rod 2 is outwards connected with the outside of water intaking piston, fetching water piston and goes out taking between water one-way valve
Water inlet pipe 3 is also provided with and communicated with water chamber downwards, 3 lower end of water inlet pipe is immersed in water intaking river, and control is provided with water inlet pipe 3
System is unidirectionally toward the water feeding one-way valve of water intaking cavity water inlet；2 outer end of push-pull rod is sequentially connected by transmission mechanism and impeller 4, impeller 4
In impeller axle 5 and impeller 4 at least have be partially submerged in water intaking river in and can lean on current drive rotation, driver
Structure input terminal is connected with impeller axle, and output terminal is connected with push-pull rod outer end and push-pull rod can be driven to do push-pull reciprocating motion.
In this way, the flowing of current can be relied on to provide power, push-pull rod is driven to move back and forth by transmission mechanism.And then band
The reciprocating motion of piston, due to the presence of two check valves, when piston is toward away from the movement of water outlet direction, goes out water one-way valve and closes
Close, water feeding one-way valve open realize water inlet water inlet tube, piston toward water outlet direction move when, water feeding one-way valve close, water outlet list
The water outlet for realizing outlet is opened to valve.Fetched water this makes it possible to ingenious using the self-contained energy in river, without expending electricity
Power, and system run all right, it is of low cost, while without considering to set pump house, therefore addressing is required lower.
Wherein, water intaking cavity water outlet is provided with outlet conduit 6, goes out water one-way valve and is arranged in outlet conduit 6.So
It is more convenient go out water one-way valve setting installation.
Wherein, the transmission mechanism includes a cam turntable 7, fixes and connects with a drive link 8 at 7 axle center of cam turntable
Connect and drive link 8 can be leaned on to drive rotation, cam turntable 7 is hinged away from shaft core position and 2 outer end of push-pull rod, and push-pull rod 2 is inner
Hingedly set with water intaking piston lateral surface, drive link 8 and impeller axle 5 are sequentially connected and it can be leaned on to drive rotation.
In this way, torque input is converted into the linear reciprocating motion of water intaking piston by cam turntable mechanism, and then conveniently
Realize water intaking control, there is the advantages of simple in structure, reliable.
Wherein, the impeller 4 includes the impeller disk being vertically fixed in impeller axle and is radially vertically fixed on along the impeller disk
On the impeller disk and some blades for being uniformly distributed circumferentially, impeller axle 5 are set along perpendicular to water (flow) direction, below the impeller disk
Blade be immersed in the river water surface.
Using the impeller of this spline structure, underwater penetration is shallower, can reduce the addressing requirement of system installation.
Wherein, transmission mechanism further includes a base station 9 being arranged in water intaking river, and 9 upper surface of base station is provided with transmission
Bar mounting base 10, the one end of drive link 8 away from cam turntable are installed in rotation in drive link mounting base 10, base station upper surface
An intermediate rotary shaft 11 is additionally provided with, intermediate rotary shaft 11 and the spaced and parallel setting of drive link, intermediate rotary shaft are rotationally vertically pacified
In the support plate 12 vertically arranged mounted in one, 12 rear end of support plate is installed in rotation on a support panel seat on base station 9
On 13 and its rotational axis line is consistent with 8 axial line of drive link, and 12 front end of support plate is used to install rotatable impeller axle 5, leaf
Belt driving wheel is provided with wheel shaft 5, belt follower is installed and by belt 14 and belt driving wheel in intermediate rotary shaft 11
It is sequentially connected, is also installed with driving gear 15 in intermediate rotary shaft 11, driving gear 15 and is fixedly mounted on drive link
Driven gear 16 engages；Lifting control mechanism is additionally provided with base station, lifting control mechanism output terminal is connected simultaneously with support plate 12
Front end of the support plate away from drive link can be driven to realize elevating movement.
In this way, lifting control mechanism control can be relied on to realize the lifting and decline for supporting front edge of board, to adapt to different water
Adjustment of the position situation to height and position where impeller, makes it be at best hydraulic blow position all the time, farthest
Trans-utilization waterpower.Transmission mechanism at the same time, additionally it is possible to so that the lifting of impeller does not influence the transmission of power, ensure that impeller is in
Any height and position, can realize stable power transmission, to ensure effect of fetching water.
Wherein, the impeller 4 is spaced two side by side, and the impeller axle medium position between two impellers is installed on
In support plate, a belt driving wheel is respectively installed in the impeller axle of 12 both sides of support plate, in the intermediate rotary shaft of support plate both sides
One 14 follower of belt is respectively installed and is connected each via belt with corresponding belt driving wheel.
In such manner, it is possible to more efficiently obtain waterpower, while transmission mechanism overall structure is more balanced, transmission is more
It is reliable and stable.
Wherein, 9 upper surface front end of base station has the inclined-plane 17 set obliquely.
In such manner, it is possible to avoid the interference declined to support front edge of board, impeller height adjustable range is improved.
Wherein, the lifting control mechanism includes the water storage adjusting passage 18 for a U-shaped being arranged in base station, water storage tune
One vertical openings of section passage 18 are rectified lives to being arranged at below support plate and being equipped with the vertical openings end lifting
Plug 19, lifting piston upper end is fixed up being provided with supporting rod 20, and 12 lower surface of support plate is moveably supported in support
20 upper end of bar, the upward sealing in another vertical openings end that water storage adjusts passage are fixedly installed a storage cylinder of water 21, lifting control
Mechanism processed further includes a water storage water pump 22 and a draining water pump 23, and 22 water inlet end of water storage water pump is connected by water storage water inlet pipe
In water intaking river below to base station, 22 water outlet of water storage water pump is connected to inside storage cylinder of water upper end by pipeline, draining water pump
23 water inlet ends are connected to water storage from storage cylinder of water upper end by draining water inlet pipe and adjust channel bottom, and 23 water outlet of draining water pump is located at
Outside storage cylinder of water.
In this way, water storage water pump can be relied on to adjust water storage in passage to water storage, by law of connected vessels, lifting piston is driven
Rise, and then drive and lifted on support front edge of board, draining water pump can also be relied on to adjust passage internal drainage to water storage, and then drive and rise
Drop piston to decline so that support front edge of board falls.The adjusting to impeller height position is thereby realized, it is corresponded to river water and rises
Existing adjustment is implemented, ensures water intaking effect.And the lifting control mechanism, realize control, water pump submerged in the water by two water pumps
After remain able to work, can at utmost ensure Electric control part from fluctuation in stage influence, it is simple in structure and control can
By stable and permanent, service life is longer and is beneficial to repair and maintenance.
In present embodiment, storage cylinder of water upper end supports front edge of board not less than water intaking river maximum stage line height during implementation
Upper lift maximum height is not less than water intaking river maximum stage line height.In this manner it is ensured that season of rising still can be realized just
Often water intaking.
Wherein, the water intaking channel includes being set up in parallel the irrigation channel 24 and water outlet channel 25 for double helix passage, water inlet
24 outer end of channel is sets the water intaking channel import of water fetching device, and the inner of irrigation channel 24 is at spiral axle center and in water outlet channel 25
End communicates, and 25 outer end of water outlet channel is provided with sand discharge water flowing out structure, and sand discharge water flowing out structure includes being formed at water outlet channel external port
Sand discharge port 26, end scouring sluice device, end scouring sluice dress are provided with the inner water outlet channel in sand discharge port 26
Rest against outwards to bypass to be connected to be provided with interior water outlet channel and choke water channel 27, it is water outlet port to choke water 27 external port of channel, is stopped up
Water channel road 27 is provided with the entrance that water outlet channel 25 is connected and chokes water valve system.
In this way, closing end scouring sluice during water intaking, opening chokes water gate and chokes water channel water intaking from bypass, is more favorable for
River sand is settled to obtain clear water；When water intaking channel desilting is more, it can close and choke water gate, open end scouring sluice, rely on
The current of the more high speed obtained carry out sand surfing sand discharge.So using the water intaking channel structure of double helix, it can preferably save and account for
Ground area carries out sand setting, at the same the water inlet end of water intaking channel caused using the structure of double helix and water outlet be respectively positioned on it is spiral outer
End, so just facilitates installation settings water fetching device to fetch water, and facilitate setting to choke water structure and desilting is better achieved to obtain
Clear water, be also convenient for setting sand discharge structure to carry out sand discharge processing, ensure water intaking channel operation for a long time and unimpeded.
In present embodiment, the valve system of choking water includes vertically arranged choking water gate 28 and passing with choking water gate 28
Gate apparatus for controlling of lifting is choked water in dynamic connection, is choked water 28 both sides of gate and is slidably fit into be arranged on side wall and chokes water lock
It in groove 29 and can realize lifting in the case where choking water the control of gate apparatus for controlling of lifting, choke water lock groove 29 with extending downwardly into
The under ground portion below channel basal surface is choked water, lock trough lower part is choked water highly more than or equal to the height of gate 28 is choked water, stops up
Between sluice trough lower part formed gate accommodation space enable choke water gate integrally not in choke water channel basal surface lower section.
In this way, can will choke water gate realizes full channel water intaking with sinking to canal completely, can when needing to improve desilting effect
Raised with control and choke water gate, the mode that overflow is choked water in formation is fetched water, and clear water is preferably obtained, when desilting gradually tires out in water intaking channel
When product is thicker, gradually lifting gate height can also be choked water, improve the height of swell, avoid water outlet from taking up desilting, treat that desilting is accumulated
When obtaining higher, then carry out sand surfing processing.
Wherein, it is described to choke water gate apparatus for controlling of lifting, including the heap soil or fertilizer over and around the roots for choking water gate upper end is fixedly mounted on straight up
Water leading screw 30, further includes horizontal be fixedly installed on and chokes water choking water above gate and choke water top plate 31 at the top of channel, choke water top plate
One is rotatably mounted with 31 and chokes water nut 32, choke water leading screw upper end stretch out choke water top plate and coordinate choking water nut 32
On, choke water that 32 outer ring of nut is provided with a circle helical teeth and one is choked water helical gear 33 and engaged, choke water helical gear 33 and be installed on and fix
Choked water in choking water one on top plate 31 on 34 output shaft of motor.
In this way, choking water motor output shaft output rotating, nut rotation can be choked water by choking water helical gear drive, and then
Drive is choked water leading screw and is risen or fallen, and realizes the elevating control to choking water gate, has simple in structure, and control is reliable and stable etc. excellent
Point.
Wherein, the end scouring sluice device include vertically arranged end scouring sluice 35 and with end scouring sluice
The 35 end scouring sluice apparatus for controlling of lifting being sequentially connected, end scouring sluice both sides, which are slidably fit into, is arranged at side wall
On end scouring sluice groove 36 in and can end scouring sluice apparatus for controlling of lifting control under realize lift, end scouring sluice
36 bottom of groove and 25 basal surface of water outlet channel flush.
In this way, when end scouring sluice puts down for water intaking, when needing sand surfing, only need to control end scouring sluice to
Upper opening can carry out sand surfing processing.
Wherein, the end scouring sluice apparatus for controlling of lifting, including end scouring sluice is fixedly mounted on straight up
The end sand surfing leading screw 37 of upper end, further includes the horizontal end being fixedly installed at the top of the water outlet channel above the scouring sluice of end
Sand surfing top plate 38, is rotatably mounted with an end sand surfing nut 39 on end sand surfing top plate 38, on end sand surfing leading screw 37
End is stretched out end sand surfing top plate 38 and is coordinated on end sand surfing nut 39, and 39 outer ring of end sand surfing nut is provided with a circle helical teeth
Engaged with an end sand surfing helical gear 40, end sand surfing helical gear 40, which is installed on, is fixed on an end on end sand surfing top plate
Hold on 41 output shaft of sand surfing motor.
In this way, sand surfing motor output shaft in end exports rotating, end sand surfing can be driven by end sand surfing helical gear
Nut rotates, and then drives sand surfing leading screw in end to rise or fall, and realizes the elevating control to end scouring sluice, has structure
Simply, the advantages that reliable and stable is controlled.
In present embodiment, in the irrigation channel 24 and water outlet channel 25, uniform intervals are set Parallel to the flow direction successively
There is the scouring sluice device of multiple upwardly-openables.
In this way, when water intaking channel is normally fetched water, scouring sluice device opens up gate so that current pass through end punching
Husky valve system is closed, and is choked water valve system and is opened water intaking.When needing sand surfing, first close and choke water valve system, then by end
Scouring sluice device is opened, and first scouring sluice then is closed water storage, then by all sand surfing after the current in front are done
Closing gate, then upwardly opens a part by first scouring sluice again so that water storage in first scouring sluice from this
Gone out below gate, form strong hydraulic jump, carried silt and enter between first scouring sluice and second scouring sluice,
Then after water flow stationary, first scouring sluice is opened completely so that full water is stored in second scouring sluice；Then again by
Two scouring sluices upwardly open a part so that the water storage in second scouring sluice is gone out below the gate, is formed strong
Strong hydraulic jump, carries silt and enters between second scouring sluice and the 3rd scouring sluice；And so on, Parallel to the flow direction
Each scouring sluice device is opened successively until discharging the silt of deposition from sand discharge port after opening end scouring sluice device.
So so that spaced multiple scouring sluices are opened successively, carry silt by the hydraulic jump of formation and go out forward, can be very
Sand surfing purpose is realized well, realizes the sand cleaning of water intaking channel.During implementation, better choice is, adjacent scouring sluice device
Spacing is located at scouring sluice device and upwardly opens in the maximum hydraulic jump length distance that part can be formed.In this way, can be preferably
Ensure above-mentioned hydraulic jump scouring effect.In addition, when implementing, the structure complete one of each scouring sluice device and end scouring sluice device
Cause.
Claims (7)
- The desilting device 1. a kind of double-screw type is fetched water, including water intaking channel, water intaking channel entrance are provided with water fetching device, its feature exists In the water intaking channel includes being set up in parallel the irrigation channel and water outlet channel for double helix passage, and irrigation channel outer end is setting The water intaking channel import of water fetching device, irrigation channel the inner communicate at spiral axle center with water outlet channel the inner, water outlet channel outer end It is provided with sand discharge water flowing out structure；Sand discharge water flowing out structure includes being formed at the sand discharge port of water outlet channel external port, and sand discharge port is leaned on End scouring sluice device is provided with interior water outlet channel, is outwards bypassed in the inner water outlet channel of end scouring sluice device It is connected to be provided with and chokes water channel, it is water outlet port to choke water channel external port, chokes water channel and is set with the entrance that water outlet channel is connected It is equipped with and chokes water valve system.
- The desilting device 2. double-screw type as claimed in claim 1 is fetched water, it is characterised in that the valve system of choking water includes erecting To setting choke water gate and with choke water gate drive connection choke water gate apparatus for controlling of lifting, choke water gate both sides slidably Ground, which coordinates, to be arranged at choking water in lock groove on side wall and can realize lifting in the case where choking water the control of gate apparatus for controlling of lifting, is stopped up Sluice groove has the under ground portion for extending downwardly into and choking water below channel basal surface, chokes water lock trough lower part and is highly more than Or equal to gate height is choked water, choke water to form gate accommodation space between lock trough lower part and enable and choke water gate and do not have integrally In choking water below channel basal surface.
- The desilting device 3. double-screw type as claimed in claim 2 is fetched water, it is characterised in that described to choke water gate elevating control dress Put, including be fixedly mounted on straight up choke water gate upper end choke water leading screw, the level of further including, which is fixedly installed on, chokes water gate Choking water for top chokes water top plate at the top of channel, chokes water and one is rotatably mounted with top plate chokes water nut, chokes water on leading screw End stretching is choked water top plate and is coordinated on nut is choked water, and chokes water that nut outer ring is provided with a circle helical teeth and one is choked water helical gear and nibbled Close, choke water helical gear and be installed on and be fixed on choke water on top plate one and choke water on motor output shaft.
- The desilting device 4. double-screw type as claimed in claim 3 is fetched water, it is characterised in that the end scouring sluice device bag Include vertically arranged end scouring sluice and the end scouring sluice apparatus for controlling of lifting being sequentially connected with end scouring sluice, end End scouring sluice both sides are slidably fit into the end scouring sluice groove being arranged on side wall and can be in end scouring sluices Apparatus for controlling of lifting control is lower to realize lifting, and end scouring sluice slot bottom end and water outlet channel basal surface flush.
- The desilting device 5. double-screw type as claimed in claim 4 is fetched water, it is characterised in that the end scouring sluice lifting control Device processed, including the end sand surfing leading screw of end scouring sluice upper end is fixedly mounted on straight up, further include horizontal fixation and set The end sand surfing top plate being placed at the top of the water outlet channel above the scouring sluice of end, is rotatably mounted with end sand surfing top plate One end sand surfing nut, end sand surfing leading screw upper end are stretched out end sand surfing top plate and are coordinated on end sand surfing nut, end Sand surfing nut outer ring is provided with a circle helical teeth and an end sand surfing helical gear engagement, and sand surfing helical gear in end, which is installed on, to be fixed on On an end sand surfing motor output shaft on end sand surfing top plate.
- The desilting device 6. double-screw type as claimed in claim 2 is fetched water, it is characterised in that the irrigation channel and water outlet channel In, uniform intervals are provided with the scouring sluice devices of multiple upwardly-openables to Parallel to the flow direction successively.
- The desilting device 7. double-screw type as claimed in claim 6 is fetched water, it is characterised in that the spacing of adjacent scouring sluice device Upwardly opened positioned at scouring sluice device in the maximum hydraulic jump length distance that can be partly formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721207137.XU CN207348005U (en) | 2017-09-20 | 2017-09-20 | A kind of double-screw type water intaking desilting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721207137.XU CN207348005U (en) | 2017-09-20 | 2017-09-20 | A kind of double-screw type water intaking desilting device |
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| CN207348005U true CN207348005U (en) | 2018-05-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409389A (en) * | 2019-08-13 | 2019-11-05 | 中国电建集团北京勘测设计研究院有限公司 | A kind of simultaneous collection sand flushing system of multichannel water intaking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409389A (en) * | 2019-08-13 | 2019-11-05 | 中国电建集团北京勘测设计研究院有限公司 | A kind of simultaneous collection sand flushing system of multichannel water intaking |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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