CN113502780A

CN113502780A - Water diversion structure of hydraulic engineering

Info

Publication number: CN113502780A
Application number: CN202110974070.7A
Authority: CN
Inventors: 林文钦; 毛行腾; 王远进; 王玉林; 黄孝涛
Original assignee: Singapore Fujian Water Conservancy And Hydropower Engineering Co ltd
Current assignee: Singapore Fujian Water Conservancy And Hydropower Engineering Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2021-10-15
Anticipated expiration: 2041-08-24
Also published as: CN113502780B

Abstract

The application discloses a diversion structure of hydraulic engineering, which relates to the technical field of hydraulic engineering and comprises a diversion tower and a cover plate arranged on the end surface of the diversion tower, wherein a partition plate is arranged in the diversion tower and divides the diversion tower into a water inlet part and a cleaning part, a mounting groove is formed in the bottom surface of the water inlet part, a driving shaft and a driven shaft are respectively and rotatably arranged on two sides of the water inlet part, the driving shaft is positioned in the cleaning part, a conveying belt is arranged between the driving shaft and the driven shaft, and a power source for driving the conveying belt to move is arranged on the diversion tower; the conveyor belt comprises a discharge section and a return section, the discharge section penetrates through the side wall of the diversion tower and the mounting groove at the same time, the return section penetrates through the lower end of the diversion tower, and the discharge section moves from the water inlet part to the cleaning part; a plurality of feeding grooves are uniformly formed in the outer wall of the conveying belt, the feeding grooves are upward in opening when the discharging section is located in the mounting groove, and a mud sucking assembly is arranged in the cleaning part. This application has the treatment effect that improves the silt in the tower body.

Description

Water diversion structure of hydraulic engineering

Technical Field

The application relates to hydraulic engineering's technical field, especially relate to a hydraulic engineering's diversion structure.

Background

At present in hydraulic engineering, can set up the inlet in one side of river course usually, with water drainage to other places to all can filter and get rid of some rubbish and silt in the aquatic at the position installation diversion structure of inlet usually.

The current chinese utility model patent document of granting No. CN208023525U discloses a water conservancy and hydropower engineering's diversion structure, filter the tower including the diversion, the one end that the diversion filtered the tower is provided with the diversion entry, and the other end is provided with the water culvert of crossing, is provided with the trapezoidal district that deposits of falling in the diversion filter tower, and the apron is installed on the top of diversion tower, installs the suction dredge on the apron, is connected with the sludge pipe that extends to in the diversion filter tower on the suction dredge, and the sludge pipe is arranged in siphoning away sediment impurity such as silt in the diversion filter tower.

Aiming at the related technologies, the inventor thinks that the mud pipe in the scheme can only suck mud at a certain position in the diversion filter tower, so that more mud is easily accumulated at the position far away from the mud pipe in the diversion filter tower, and the mud is easily compacted or even caked after a long time, and is inconvenient to treat.

Disclosure of Invention

In order to improve the treatment effect to the silt in the tower body, this application provides a hydraulic engineering's diversion structure.

The application provides a water conservancy project's diversion structure adopts following technical scheme:

a diversion structure of hydraulic engineering comprises a diversion tower and a cover plate arranged on the end face of the diversion tower, wherein a partition plate is arranged in the diversion tower and divides the diversion tower into a water inlet part and a cleaning part, the bottom surface of the water inlet part is provided with an installation groove, a driving shaft and a driven shaft are respectively and rotatably arranged on two sides of the water inlet part, the driving shaft is positioned in the cleaning part, a conveying belt is arranged between the driving shaft and the driven shaft, and a power source for driving the conveying belt to move is arranged on the diversion tower; the conveyor belt comprises a discharge section and a return section, the discharge section penetrates through the side wall of the diversion tower and the mounting groove at the same time, the return section penetrates through the lower end of the diversion tower, and the discharge section moves from the water inlet part to the cleaning part; a plurality of feeding grooves are uniformly formed in the outer wall of the conveying belt, the openings of the feeding grooves face upwards when the discharging section is located in the mounting groove, and a mud sucking assembly is arranged in the cleaning part;

the improved water-saving device is characterized in that a hollow pipe with a hollow inside is arranged in the driving shaft, the driving shaft is connected to the outer wall of the hollow pipe in a rotating mode, one end of the hollow pipe extends out of the end portion of the driving shaft and is connected with a water inlet pipe, the water inlet pipe is connected to the side wall of the water inlet portion, a hole is formed in the bottom surface of the feeding groove, a groove is formed in the side wall of the driving shaft, the groove can coincide with the hole when the driving shaft rotates, a water spraying hole is formed in the side wall of the hollow pipe and can coincide with the groove, and an extrusion piece used for extruding water in the hollow pipe from the water spraying hole is further arranged in the hollow pipe.

By adopting the technical scheme, sludge and the like in water in the water inlet part can be precipitated and are precipitated in the feeding groove on the surface of the conveying belt, the conveying belt can move towards the cleaning part under the action of the power source, and the precipitated sludge in the feeding groove can be poured into the cleaning part after moving to the cleaning part and then is pumped away through the sludge sucking component; the fluting has been seted up to the driving shaft lateral wall, and the trompil has been seted up to the bottom surface of chute feeder, and trompil and fluting coincide mutually, can follow the hole for water spraying blowout in the hollow tube under extruded article's effect to spout the chute feeder through fluting and trompil in, among the silt flows into the clearance through the conveyer belt disturbance, convenience is cleared up through inhaling the silt of mud subassembly in to the clearance more.

Optionally, the extruded article includes sliding connection in the slurcam of the one end that the hollow tube is close to the inlet tube, be provided with the elastic component between the interior terminal surface of slurcam and hollow tube, the hole that leaks has been seted up on the slurcam, one side that the slurcam deviates from the inlet tube articulates there is the apron that is used for sealing the hole that leaks, still be provided with between driving shaft and the hollow tube and be used for the interval to promote the slurcam to the gliding drive structure of inlet tube direction, and work as when the slurcam slides to the direction of inlet tube, the elastic component is in the state of compression.

Through adopting above-mentioned technical scheme, when the kickboard moved to the direction of driving shaft, the apron can butt on the kickboard and cover in the hole that leaks to extrude the water in the hollow tube from the hole for water spraying, when the elastic component was compressed, the kickboard moved to the direction that is close to the inlet tube, and water can push away the apron, thereby makes water can flow to in the hollow tube through the hole that leaks, thereby supplements the water source for the hollow tube.

It is optional, it is provided with the slip ring to slide in the hollow tube, the slurcam sets up in the slip ring inner wall, the drive structure is including setting up the extension post on the slip ring outer wall, the outer wall of hollow tube is offered and is used for supplying to extend the gliding sliding tray of post, the drive structure is still including setting up the conflict piece that is close to inlet tube one end terminal surface in the driving shaft, conflict piece is including inclined plane and planishing face, the planishing face extends along the axial direction of driving shaft, the inclined plane can be contradicted on the lateral wall of extension rod when the driving shaft rotates.

Through adopting above-mentioned technical scheme, the driving shaft inclined plane butt is on extending the post when rotating to the driving shaft rotates and promotes the slip ring and slide, and then makes the elastic component compressed, and this in-process normal water can flow to a hollow section of thick bamboo through the hole that leaks in, inclined plane and extension post break away from the contact back, under the elastic action of elastic component, the slurcam moves to the direction of driving shaft, will empty the water extrusion in the section of thick bamboo this moment, thereby reach the effect of squeeze water.

Optionally, the extension column is rotatably connected to the outer wall of the sliding ring.

Through adopting above-mentioned technical scheme, it slides to promote the slip ring through the inclined plane more easily.

Optionally, the end face, far away from the water inlet pipe, of the hollow pipe is of a closed structure.

By adopting the technical scheme, the pressure of the water in the hollow pipe is improved when the water is extruded.

Optionally, the inner wall of clearance portion is provided with the mount pad, the driving shaft rotates to be connected on the mount pad, the power supply is including setting up the driving motor in apron upper surface, be provided with the synchronizing wheel on driving motor's the output shaft, be provided with the hold-in range between the outer wall of driving shaft and the synchronizing wheel.

Through adopting above-mentioned technical scheme, under driving motor's effect, can rotate with the drive shaft to drive the motion of conveyer belt.

Optionally, the mud suction assembly comprises a mud suction machine arranged on the cover plate and a mud suction pipe connected to the mud suction machine, and the mud suction pipe extends to the bottom surface of the collecting part.

Through adopting above-mentioned technical scheme, can siphon away the silt of collection portion through the suction dredge.

Optionally, the bottom surfaces of the cleaning part and the water inlet part are of structures with a large top and a small bottom.

Through adopting above-mentioned technical scheme, make things convenient for silt to deposit in the bottom of portion of intaking or collection portion, be convenient for handle.

In summary, the present application includes at least one of the following benefits:

1. the conveying belt can convey the sludge precipitated from the water inlet part into the collecting part for treatment, so that the condition that the sludge is agglomerated and is not easy to clean is reduced;

2. when the driving shaft drives the conveyor belt to move, the extrusion piece can extrude water in the hollow cylinder, so that sludge can be flushed out from the feeding chute, and the effect of pouring the sludge into the collecting part is improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a conveyor belt according to an embodiment of the present application;

FIG. 4 is an exploded view of the hollow tube and drive shaft of the embodiment of the present application;

FIG. 5 is an enlarged schematic view at A in FIG. 4;

fig. 6 is a schematic view of the connection of the slide ring and the push plate.

Description of reference numerals: 1. a diversion tower; 2. closing the plate; 3. a partition plate; 4. a cleaning part; 5. a water inlet part; 6. mounting grooves; 7. a drive shaft; 8. a driven shaft; 9. a conveyor belt; 10. a power source; 101. a drive motor; 102. a synchronizing wheel; 103. a synchronous belt; 11. a discharging section; 12. a homing section; 13. a feed chute; 14. a mud suction assembly; 141. a suction dredge; 142. a mud suction pipe; 15. a hollow tube; 16. a water inlet pipe; 17. opening a hole; 18. grooving; 19. a water spray hole; 20. an extrusion; 201. a push plate; 202. an elastic member; 21. a water leakage hole; 22. a cover plate; 23. a drive structure; 231. extending the column; 232. a contact block; 2321. an inclined surface; 2322. leveling the surface; 24. a slip ring; 25. a sliding groove; 26. a mounting seat; 27. a water diversion port; 28. and (7) a water outlet.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses water conservancy project's diversion structure. Referring to fig. 1 and 2, the diversion structure includes a diversion tower 1, and a closing plate 2 for covering the diversion tower 1 is installed at the upper end of the diversion tower 1. The vertical baffle 3 of installing in diversion tower 1, baffle 3 divide diversion tower 1 into intake portion 5 and clearance portion 4, and the volume of intake portion 5 is greater than the volume of clearance portion 4, is provided with water inlet 27 on the lateral wall of intake portion 5, is provided with delivery port 28 on another lateral wall, and water in the river course gets into from water inlet 27, and the portion 5 of intaking deposits and flows out from delivery port 28 after filtering.

Referring to fig. 2 and 3, the two opposite side walls of the water inlet part 5 are respectively and rotatably connected with a driving shaft 7 and a driven shaft 8, and the driving shaft 7 is positioned in the cleaning part 4, namely the driving shaft 7 is rotatably connected to the partition plate 3. Still be connected with conveyer belt 9 between driving shaft 7 and the driven shaft 8, conveyer belt 9 wears to establish the relative lateral wall of portion 5 of intaking. Mounting groove 6 has still been seted up to the bottom surface of portion of intaking 5, conveyer belt 9 is including ejection of compact section 11 and return section 12, ejection of compact section 11's position is higher than the position of return section 12, ejection of compact section 11 wears to establish the lateral wall and the mounting groove 6 of portion of intaking 5 simultaneously, and the width of mounting groove 6 and the width looks adaptation of conveyer belt 9, make the both sides of conveyer belt 9 can the butt in the inner wall of mounting groove 6, return section 12 wears to establish the lower extreme of portion of intaking 5, driving shaft 7 rotates and can drive conveyer belt 9 motion promptly. A plurality of feed chutes 13 are evenly arranged on the outer wall of the conveyor belt 9, and when the discharge section 11 is positioned in the mounting groove 6, the openings of the feed chutes 13 face upwards, so that sludge and the like in the water inlet part 5 can be settled in the feed chutes 13. Still install on the diversion tower 1 and be used for driving conveyer belt 9 from the power supply 10 of intaking 5 to the motion of clearance portion 4, when conveyer belt 9 moved, ejection of compact section 11 can move to clearance portion 4 to behind driving shaft 7, the silt in the chute feeder 13 can be poured into in clearance portion 4. A sludge suction assembly 14 for discharging sludge is installed in the cleaning part 4.

Referring to fig. 1 and 2, the sludge suction assembly 14 includes a sludge suction machine 141 mounted on the sealing plate 2, a sludge suction pipe 142 is connected to the sludge suction machine 141, and the sludge suction pipe 142 extends vertically downward and extends to the bottom of the cleaning part 4, so that sludge in the cleaning part 4 can be sucked away by the sludge suction machine 141. Further, the water inlet part 5 and the cleaning part 4 are both in a structure with a large upper part and a small lower part, so that the sludge in the water inlet part 5 is more easily deposited in the feeding groove 13, and the sludge in the cleaning part 4 is more easily sucked away by the sludge suction pipe 142 in the cleaning part 4.

Referring to fig. 1 and 2, a mounting seat 26 is fixed on one side of the partition plate 3 located on the cleaning part 4, the driving shaft 7 is rotatably connected to the mounting seat 26 through a bearing or the like, and the driven shaft 8 can also be rotatably connected to the outer wall of the water inlet part 5 by using the same structure. The power source 10 comprises a driving motor 101 installed on the upper surface of the sealing plate 2, a synchronizing wheel 102 is coaxially fixed on an output shaft of the driving motor 101, a synchronous belt 103 is connected between the synchronizing wheel 102 and the driving shaft 7, the synchronizing wheel 102 can also be coaxially fixed on the outer wall of the driving shaft 7, and under the action of the driving motor 101, the synchronizing wheel 102 rotates to drive the driving shaft 7 to rotate, so that the conveying belt 9 is driven to move. In the use, can install inside hollow protective housing through modes such as bolt on the outer wall of portion of intaking 5, cover the part of driven shaft 8.

Referring to fig. 2 and 4, driving shaft 7 is inside hollow structure, and hollow tube 15 is installed on the one side that baffle 3 deviates from water inlet 5, and hollow tube 15 extends in driving shaft 7 inner chamber, and driving shaft 7 can rotate on the outer wall of hollow tube 15. The hollow tube 15 is a hollow structure, one end of the hollow tube 15 is provided with an end part extending out of the driving shaft 7, the end is connected with a water inlet pipe 16, and the water inlet pipe 16 is communicated with the hollow tube 15. The upper end of the water inlet pipe 16 penetrates through the partition plate 3 and extends into the inner cavity of the water inlet part 5. A filter screen can be installed at the upper end of the water inlet pipe 16, so that the filtered water can flow into the hollow pipe 15 from the water inlet part 5.

Referring to fig. 3 and 4, the bottom of each feeding chute 13 is provided with a plurality of holes 17, and the holes 17 are arranged in a plurality of rows, and the holes 17 penetrate to one side of the conveyor belt 9 departing from the feeding chute 13. Fluting 18 has evenly been seted up on the outer wall of driving shaft 7, and fluting 18 extends along the circumferential direction of driving shaft 7, and is provided with a plurality ofly along driving shaft 7 circumference, and fluting 18 evenly is provided with a plurality ofly along the axis direction of driving shaft 7 in addition, and the row number of the trompil in at least and the chute feeder 13 is the same. The slot 18 can coincide with the opening 17 when the axle shaft 7 is rotated. The outer wall of the hollow pipe 15 is provided with a plurality of water spraying holes 19 which penetrate through the inner side and the outer side of the hollow pipe 15, the water spraying holes 19 are uniformly arranged along the axis direction of the hollow pipe 15, when the driving shaft 7 rotates, the water spraying holes 19 can coincide with the grooves 18, and when the water spraying holes 19 coincide with the grooves 18, the open holes 17 can also coincide with the grooves 18. An extrusion part 20 is also installed in the hollow pipe 15, when the driving shaft 7 rotates, the extrusion part 20 can extrude the water in the hollow pipe 15, so that the water in the hollow pipe 15 can flow out from the water spraying holes 19 and flow into the feeding groove 13 through the notch 18 and the open hole 17 in sequence, and when the conveyor belt 9 moves to the position of the driving shaft 7, the water in the hollow pipe 15 can promote the sludge in the feeding groove 13 to flow into the cleaning part 4.

Referring to fig. 5 and 6, the extrusion member 20 includes a push plate 201 slidably connected in the hollow tube 15, the cross section of the push plate is circular, in order to realize the sliding of the push plate, a sliding ring 24 is sleeved in the hollow tube 15, the outer wall of the sliding ring 24 abuts against the inner wall of the hollow tube 15, the push plate 201 is coaxially fixed on the inner wall of the sliding ring 24, and the sliding ring 24 slides to drive the push plate 201 to slide. Install elastic component 202 between hollow tube 15 and slurcam 201, combine fig. 4, elastic component 202 is including being fixed in the spring between slurcam 201 and the hollow tube 15 terminal surface, and spring one end is fixed in on the hollow tube 15 keeps away from the one end inner wall of driving shaft 7, and one end is fixed in slurcam 201. The water leakage hole 21 has been seted up on the kickboard 201, and the kickboard 201 articulates on the one side that deviates from the inlet tube 16 has the apron 22 that is used for covering the water leakage hole 21, and the apron 22 can articulate on the kickboard 201 through modes such as round pin axle. When the pushing plate 201 moves towards the direction of the driving shaft 7, the cover plate 22 can abut against the surface of the pushing plate 201, so that the water in the hollow pipe 15 is squeezed; when the push plate 201 moves in a direction close to the water inlet pipe 16, the cover plate 22 moves in a direction away from the push plate 201 under the action of inertia and water, so that water can flow into the hollow pipe 15 through the water leakage holes 21.

Referring to fig. 4, a driving structure 23 for pushing the pushing plate 201 to slide is installed between the driving shaft 7 and the hollow tube 15 at an interval, when the pushing plate 201 moves in a direction away from the driving shaft 7, the spring is in a compressed state, and the process water flows into the hollow tube 15 through the water leakage hole 21. When the driving structure 23 does not drive the pushing plate 201 to move, the pushing plate 201 moves towards the driving shaft 7 under the elastic force of the spring, so that the water in the hollow pipe 15 is pressed to flow out from the water spraying holes 19.

Referring to fig. 4 and 5, the driving structure 23 includes an extension column 231 fixed to an outer wall of the slip ring 24, the extension column 231 extending in a radial direction of the slip ring 24. The side wall of the hollow tube 15 is provided with a sliding groove 25 for the extension column 231 to slide, and when the sliding ring 24 slides, the side wall of the sliding ring 24 can always cover the sliding groove 25. The driving structure 23 further includes an abutting block 232 mounted on an end surface of the driving shaft 7 near the water inlet pipe 16, the abutting block 232 includes an inclined surface 2321 and a flat surface 2322, and the flat surface 2322 extends along an axial direction of the driving shaft 7. When the driving shaft 7 rotates, the inclined surface 2321 can abut against the extension column 231, so that the driving shaft 7 can push the extension column 231 to slide in the sliding groove 25 through the inclined surface 2321, and further drive the sliding ring 24 to slide, so that the spring is compressed. When the extension rod 231 moves to be out of contact with the inclined surface 2321, the sliding ring 24 can slide to the original position under the elastic force of the spring. In order to improve the pushing effect on the extending columns 231, two extending columns 231 are symmetrically arranged on the outer wall of the sliding ring 24, and two contact blocks 232 are also symmetrically arranged on the driving shaft 7.

Referring to fig. 4, further, in order to improve the effect of the inclined surface 2321 pushing the extension column 231, the extension column 231 is rotatably connected to the outer wall of the sliding ring 24 through a bearing or the like, or a sleeve may be sleeved on the outer wall of the extension column 231, and the sleeve is rotatably connected to the outer wall of the extension column 231, so that the inclined surface 2321 and the extension column 231 can roll instead of slide. Furthermore, one end of the hollow pipe 15 extending into the driving shaft 7 is provided with a closed structure, so that the sealing property between the driving shaft 7 and the hollow pipe 15 is improved, and the pressure of water flowing out from the water spraying holes 19 when the push plate 201 moves is improved.

The implementation principle of the water diversion structure of the hydraulic engineering of the embodiment of the application is as follows: silt in the aquatic of portion of intaking 5 can deposit in the chute feeder 13 on the surface of conveyer belt 9, when needs handle silt, drive driving shaft 7 through power supply 10 rotates, thereby make conveyer belt 9 can move to clearance portion 4, thereby make conveyer belt 9 can pour the silt in chute feeder 13 into clearance portion 4, can spaced drive slurcam 201 slide when driving shaft 7 rotates, when the spring is compressed, water can flow to hollow tube 15 in through hole 21 that leaks, when the elasticity drive slurcam 201 of spring slides, apron 22 covers in hole 21 that leaks, make the water in the hollow tube 15 extruded, water can follow fluting 18, trompil 17 flows to chute feeder 13, thereby wash out the silt in chute feeder 13, better pour silt from chute feeder 13, then rethread inhale silt subassembly 14 and clear up the silt of clearance portion 4.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a hydraulic engineering's diversion structure, includes diversion tower (1), locates shrouding (2) of diversion tower (1) terminal surface, its characterized in that: a partition plate (3) is arranged in the diversion tower (1), the diversion tower (1) is divided into a water inlet part (5) and a cleaning part (4) by the partition plate (3), an installation groove (6) is formed in the bottom surface of the water inlet part (5), a driving shaft (7) and a driven shaft (8) are respectively arranged on two sides of the water inlet part (5) in a rotating mode, the driving shaft (7) is located in the cleaning part (4), a conveying belt (9) is arranged between the driving shaft (7) and the driven shaft (8), and a power source (10) for driving the conveying belt (9) to move is arranged on the diversion tower (1); the conveyor belt (9) comprises a discharge section (11) penetrating through the side wall of the diversion tower (1) and the mounting groove (6) simultaneously and a return section (12) penetrating through the lower end of the diversion tower (1), and the discharge section (11) moves from the water inlet part (5) to the cleaning part (4); a plurality of feeding grooves (13) are uniformly formed in the outer wall of the conveyor belt (9), when the discharging section (11) is positioned in the mounting groove (6), the openings of the feeding grooves (13) face upwards, and a mud suction assembly (14) is arranged in the cleaning part (4);

a hollow tube (15) with a hollow interior is arranged in the driving shaft (7), the driving shaft (7) is rotatably connected to the outer wall of the hollow tube (15), one end of the hollow pipe (15) extends out of the end part of the driving shaft (7) and is connected with a water inlet pipe (16), the water inlet pipe (16) is connected with the side wall of the water inlet part (5), the bottom surface of the feeding groove (13) is provided with an opening (17), the side wall of the driving shaft (7) is provided with a notch (18), when the driving shaft (7) rotates, the open slot (18) can coincide with the open hole (17), the side wall of the hollow pipe (15) is provided with a water spraying hole (19), the water spraying hole (19) can coincide with the slot (18), an extrusion piece (20) used for extruding the water in the hollow pipe (15) from the water spraying hole (19) is also arranged in the hollow pipe (15).

2. The diversion structure of a hydraulic engineering according to claim 1, characterized in that: extruded piece (20) include sliding connection in push plate (201) that hollow tube (15) are close to the one end of inlet tube (16), be provided with elastic component (202) between the inner terminal surface of push plate (201) and hollow tube (15), water leakage hole (21) have been seted up on push plate (201), one side that push plate (201) deviates from inlet tube (16) articulates there is apron (22) that is used for sealing water leakage hole (21), still be provided with between driving shaft (7) and hollow tube (15) and be used for the interval to promote push plate (201) to inlet tube (16) gliding drive structure (23) of direction, and work as when push plate (201) slided to the direction of inlet tube (16), elastic component (202) are in the state of compression.

3. The diversion structure of a hydraulic engineering according to claim 2, characterized in that: slide in hollow tube (15) and be provided with slip ring (24), slurcam (201) set up in slip ring (24) inner wall, drive structure (23) including setting up extension post (231) on slip ring (24) outer wall, the outer wall of hollow tube (15) is offered and is used for supplying to extend gliding sliding tray (25) of post (231), drive structure (23) are still including setting up contact block (232) that support that driving shaft (7) are close to inlet tube (16) one end terminal surface, contact block (232) are including inclined plane (2321) and planishing face (2322), the axial direction of planishing face (2322) along driving shaft (7) extends, inclined plane (2321) can be contradicted on the lateral wall of extension rod when driving shaft (7) rotate.

4. The diversion structure of a hydraulic engineering according to claim 3, characterized in that: the extension column (231) is rotatably connected to the outer wall of the sliding ring (24).

5. The diversion structure of water conservancy project according to claim 4, characterized in that: the end surface of the hollow pipe (15) far away from the water inlet pipe (16) is of a closed structure.

6. The diversion structure of water conservancy project according to claim 4, characterized in that: the inner wall of clearance portion (4) is provided with mount pad (26), driving shaft (7) rotate to be connected on mount pad (26), power supply (10) are including setting up in driving motor (101) of shrouding (2) upper surface, be provided with synchronizing wheel (102) on the output shaft of driving motor (101), be provided with hold-in range (103) between the outer wall of driving shaft (7) and synchronizing wheel (102).

7. The diversion structure of a hydraulic engineering according to claim 6, characterized in that: the mud suction assembly (14) comprises a mud suction machine (141) arranged on the sealing plate (2) and a mud suction pipe (142) connected to the mud suction machine (141), wherein the mud suction pipe (142) extends to the bottom surface of the collecting part.

8. The diversion structure of a hydraulic engineering according to claim 6, characterized in that: the bottom surfaces of the cleaning part (4) and the water inlet part (5) are both in a structure with a big top and a small bottom.