CN115928656A

CN115928656A - Water retaining device for flood prevention of hydraulic engineering

Info

Publication number: CN115928656A
Application number: CN202310018999.1A
Authority: CN
Inventors: 王科新; 张宁; 师于杰; 朱延凯; 王延清
Original assignee: Eighth Engineering Department Of Shandong Yellow River Shuncheng Water Resources And Hydropower Engineering Co ltd
Current assignee: Eighth Engineering Department Of Shandong Yellow River Shuncheng Water Resources And Hydropower Engineering Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-04-07
Anticipated expiration: 2043-01-06
Also published as: CN115928656B

Abstract

The invention relates to the field of hydraulic engineering equipment, in particular to a water retaining device for flood prevention of hydraulic engineering, which comprises a side blocking part, a middle blocking part and a loosening part, wherein the side blocking part is arranged on the side wall of the side blocking part; the side blocking parts and the middle blocking part are both arranged on the riverbed; the two side blocking parts are respectively positioned at two sides of the riverbed; the middle blocking parts are arranged in a plurality according to the width of the riverbed, and the middle blocking parts are arranged at equal intervals along the width direction of the riverbed; the middle blocking parts are connected with the side blocking parts in an inserting manner; the loose part is arranged at the joint between the middle blocking parts or at the upper side of the joint between the middle blocking part and the side blocking part in a clamping manner, and the connecting plate arranged in a sliding manner can adjust the extending length according to the width adaptability of the river channel, so that the water retaining requirements of river channels with different widths are met; and the side baffle telescopic rods, the middle baffle telescopic rods and the middle baffle telescopic rods are connected with each other, so that the stability of the invention when being spliced together is improved.

Description

Water retaining device for flood prevention of hydraulic engineering

Technical Field

The invention relates to the field of hydraulic engineering equipment, in particular to a water retaining device for flood prevention of hydraulic engineering.

Background

The hydraulic engineering refers to an engineering which is built by controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harm and benefiting. The purposes of building water conservancy projects are various, including flood prevention, flood removal, irrigation, power generation, water supply, reclamation, water and soil conservation, migration of people, water resource protection and the like. Wherein, water retaining equipment is needed in the hydraulic engineering constructed due to flood prevention. When the existing water retaining equipment is used for dealing with water flow impact, looseness or damage is easy to occur.

The invention discloses a water retaining device for hydraulic engineering construction, which is disclosed in the Chinese patent with the publication number of CN 113585171B. The radian of the water baffle can be adjusted through the adjusting mechanism according to the specific conditions of the field and the water flow, so that the water baffle has a certain drainage effect, the structural strength of the water baffle is enhanced, and meanwhile, the impact of the water flow on the water baffle is reduced to prevent the water baffle from being impacted or destroyed.

However, the invention patent does not relate to the aspect that the execution part of the water retaining device in the prior art is easy to be eroded by water flow for a long time, so that the execution part is damaged; the following problems also exist in the prior art:

1. the breakwater needs to be customized according to the width of the river channel, and cannot be adjusted adaptively, so that the construction period is long, and the construction cost is increased.

2. The dam body is required to be built at the designated position in the river channel by the water retaining equipment for installing the water retaining equipment, construction projects are increased, the dam body cannot be reused, and the problem of resource waste is caused during dismantling.

3. When water retaining device sluices, can't filter the silt that carries in the rivers for a large amount of silt of upper reaches is along with rivers flow direction low reaches, and takes place the deposit in the low reaches that rivers are mild, causes the low reaches riverbed to rise, thereby weakens the retaining capacity of low reaches.

Disclosure of Invention

In order to solve the technical problems, the invention adopts the technical scheme that: a water retaining device for flood prevention of hydraulic engineering comprises a side blocking part, a middle blocking part and a loosening part; the side blocking parts and the middle blocking part are both arranged on the riverbed; the two side blocking parts are respectively positioned at two sides of the riverbed; the middle blocking parts are arranged in a plurality according to the width of the riverbed, and the middle blocking parts are arranged at equal intervals along the width direction of the riverbed; the middle blocking parts are connected with each other in a plugging manner; the middle blocking part is connected with the side blocking parts in an inserting mode; the loose part is arranged at the joint between the middle blocking parts or at the upper side of the joint between the middle blocking parts and the side blocking parts in a clamping manner.

The side baffle part comprises a side baffle, a rotating gear, a locking piece, a rotating handle, a side baffle slot, a side baffle telescopic rod, a fastening assembly and a side baffle connecting piece; the side baffle is placed at the side position of the riverbed, and a rotary baffle is rotatably arranged at the position, close to the riverbank, of the lower side in the side baffle; a fastening assembly is arranged on one side of the rotating baffle plate close to the river bank, and teeth are arranged on the upper portion of the rotating baffle plate; a rotating handle is rotatably arranged on one side of the upper part of the side baffle close to the river bank; the rotating handle is positioned at the upper part of the rotating baffle, and the rear part of the rotating handle is coaxially provided with a rotating gear; the rotating gear is meshed with teeth arranged on the upper part of the rotating baffle; a side baffle slot is formed in one side of the inside of the side baffle, which is far away from the river bank; a side baffle connecting piece is inserted in the side baffle slot; a side baffle telescopic rod is arranged at the front side of the lower part of the side baffle; a locking piece is arranged on the rear side of the upper part of the side baffle in a vertical sliding manner; the locking piece is positioned at the upper part of the rotating handle.

The middle baffle part comprises a middle baffle, a connecting plate, an execution hydraulic cylinder, a water discharge door, a middle baffle slot, a filtering component, a waterproof component and a middle baffle telescopic rod; the middle baffles are equidistantly arranged in the middle of the riverbed, the right sides of the middle baffles are provided with connecting plates in a sliding manner, the left sides inside the middle baffles are provided with filter assemblies in an up-and-down sliding manner, the right sides of the upper parts of the middle baffles are provided with actuating hydraulic cylinders, and the outer sides of the middle baffles are provided with drain gates in a left-and-right sliding manner; the upper part of the sluice gate is connected with the output end of the execution hydraulic cylinder; the upper part of the middle baffle is provided with a waterproof assembly in a left-right sliding manner; the waterproof component covers the outer side of the execution hydraulic cylinder; the left side of the middle baffle plate is provided with a middle baffle slot, and the front side of the lower part of the middle baffle plate is symmetrically provided with middle baffle telescopic rods.

As a preferred technical scheme of the invention, the loosening part comprises a loosening stud, a loosening transverse plate, a clamping jaw and a loosening clamping groove; clamping claws are symmetrically arranged at the front and the back of the lower part of the loose transverse plate in a sliding manner; a loosening spring is arranged between the clamping jaw and the loosening transverse plate; a loose stud is rotatably arranged in the middle of the loose transverse plate; the loose stud is in threaded fit with the loose transverse plate, and a loose clamping groove is formed in the lower portion of the loose stud.

As a preferred technical scheme of the invention, the fastening assembly comprises a fastening frame, a fastening plate, a pushing piece, a fastening spring and a deflector rod; the fastening frame is arranged on one side of the rotating baffle close to the river bank; two fastening plates are arranged, and one side of each fastening plate, which is close to the river bank, is hinged with one side of each fastening frame, which is close to the river bank; a pushing piece is arranged in the fastening frame in a sliding manner; the upper and lower both ends of impeller cooperate with two mounting plate notches respectively, and the impeller is kept away from and is provided with fastening spring between one side of river levee and the fastening frame, and the impeller is kept away from the anterior of river levee one side and is provided with the driving lever.

As a preferred technical scheme of the invention, the filtering component comprises a filtering net rack, blades, a reciprocating screw rod, a cleaning roller rack, a cleaning roller, a cleaning gear and a cleaning rack; the filter screen frame is inserted in the left side inside the middle baffle, a reciprocating screw rod is rotatably arranged on the left side inside the filter screen frame, and blades are rotatably arranged on the lower side of the rear part of the filter screen frame; the paddle is connected with the lower part of the reciprocating screw rod through bevel gear transmission; the left end of the cleaning roller frame is sleeved on the outer side of the reciprocating screw rod and is in threaded fit with the reciprocating screw rod, and a cleaning roller is rotatably sleeved on the outer side of the cleaning roller frame; a cleaning gear is arranged on the right side of the cleaning roller; a cleaning rack is arranged on the right side inside the filter screen frame along the vertical direction; the cleaning rack is meshed with the cleaning gear.

As a preferred technical scheme of the invention, the waterproof assembly comprises a waterproof cover, a waterproof rack, a waterproof gear, a reversing gear, a buoy and a waterproof turning plate; the waterproof cover is arranged on the upper part of the middle baffle in a sliding manner, and a plurality of waterproof turning plates are arranged on the upper part of the waterproof cover in a rotating manner at equal intervals; a waterproof gear is arranged on the right side of the waterproof turnover plate; the waterproof gear is positioned on the right side of the waterproof cover; a reversing gear is rotatably arranged on the right side of the waterproof cover; the reversing gears are all arranged on the rear side of the waterproof gear and are respectively meshed with the waterproof gears at adjacent positions; a waterproof rack is arranged at the rear part of the right side of the waterproof cover in a sliding manner up and down; the waterproof rack is meshed with the reversing gear at the rear part, and a buoy is arranged on the rear side of the lower part of the waterproof rack.

As a preferable technical scheme of the invention, the telescopic end faces of the side retaining telescopic rod and the middle retaining telescopic rod are both provided with flanges.

As a preferred technical scheme of the invention, the rear part of the rotating handle is provided with locking grooves at equal intervals along the circumferential surface of the rotating handle.

In a preferred embodiment of the present invention, the locking member is provided with a slope at a lower portion thereof.

As a preferred technical scheme of the invention, the right side of the upper part of the connecting plate is provided with a lifting hole; the upper part of the right side of the connecting plate is provided with a lifting clamping piece in a left-right sliding manner; the left side of the lifting clamping piece is provided with a semicircular groove.

The invention has the beneficial effects that:

1. the invention adopts a connection mode of inserting the side blocking parts and the middle blocking part, so that the connecting plate which is arranged in a sliding way can adjust the extending length according to the width adaptability of the river channel, thereby meeting the water retaining requirements of the river channels with different widths; and the side baffle telescopic rods, the middle baffle telescopic rods and the middle baffle telescopic rods are connected with each other, so that the stability of the invention when being spliced together is improved.

2. The rotary baffle which is rotatably arranged can be used for retaining water corresponding to river banks with different slopes, so that the adaptability of the river channel water retaining device to different river channels is improved; and the step of building a vertical dam body at the river bank is eliminated, so that construction projects are reduced, and the construction period is shortened.

3. The fastening assembly is adopted to enable the rotating baffle plate to be inserted into the river bank when the rotating baffle plate is close to the river bank, and the rotating baffle plate is automatically expanded outwards through the fastening plate to be locked at a fixed position on the river bank; so that the side blocking part can always abut against the side surface of the river bank under the impact of water flow; the stability of the two side positions of the invention under the impact of water flow is enhanced.

4. The invention adopts the filtering component to block the silt in the water flow when draining, thereby preventing the upstream silt from depositing at the downstream with a slow flow rate; and the filter screen frame is comprehensively cleaned in real time by adopting the water flow driving cleaning roller, so that the phenomenon that the filter screen frame is blocked by silt to cause slow water drainage is prevented.

5. The waterproof cover is adopted to carry out waterproof protection on the execution hydraulic cylinder, the working stability of the execution hydraulic cylinder is ensured, and the buoy controls the opening and closing of the waterproof turning plate, so that the waterproof turning plate is closed at a high water level, and the execution hydraulic cylinder is prevented from being corroded by water; the hydraulic cylinder is opened at a low water level to ventilate and dry the surface of the hydraulic cylinder, thereby prolonging the service life of the hydraulic cylinder.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is an overall structural view of the connection state of the present invention.

Fig. 2 is a partially enlarged view of a point a in fig. 1.

Fig. 3 is a schematic structural view of the side dam portion of the present invention after removing the side dam coupler.

FIG. 4 is a first cross-sectional partial view of a side stop according to the present invention.

FIG. 5 is a second cross-sectional partial view of a side stop according to the present invention.

FIG. 6 is a schematic view of the structure of the middle stop portion of the present invention.

Fig. 7 is a partially enlarged view at B in fig. 6.

FIG. 8 is a schematic view of the structure of the middle stop, the middle stop telescopic rod, the actuating hydraulic cylinder and the drain door of the present invention.

Fig. 9 is a half-sectional view of a filter assembly of the present invention.

Fig. 10 is a broken-away view of the filter assembly of the present invention after removal of the filter screen carrier.

Fig. 11 is a sectional structural view of the connecting plate and the pull-up clip of the present invention.

In the figure: 1. a side stop portion; 2. a middle blocking part; 3. a loosening part; 11. a side dam; 12. rotating the baffle; 13. a rotating gear; 14. a locking member; 15. rotating the handle; 16. a side baffle slot; 17. a side blocking telescopic rod; 18. a fastening assembly; 19. a side shield connecting piece; 21. a middle baffle plate; 22. a connecting plate; 23. an execution hydraulic cylinder; 24. a drain door; 25. a middle gear slot; 26. a filter assembly; 27. a waterproof assembly; 28. a middle gear telescopic rod; 31. loosening the stud; 32. loosening the transverse plate; 33. a jaw; 34. loosening the clamping groove; 151. a locking groove; 181. a fastening frame; 182. a fastening plate; 183. a pusher member; 184. a fastening spring; 185. a deflector rod; 221. lifting and pulling the hole; 222. lifting the clamping piece; 261. a filter screen frame; 262. a paddle; 263. a reciprocating screw; 264. cleaning the roller frame; 265. cleaning the roller; 266. cleaning the gear; 267. cleaning the rack; 271. a waterproof cover; 272. a waterproof rack; 273. a waterproof gear; 274. a reversing gear; 275. a float; 276. waterproof turning plate.

Detailed Description

The following describes embodiments of the present invention in detail. The following examples are illustrative only and are not to be construed as limiting the invention. The examples do not specify particular techniques or conditions, and are performed according to techniques or conditions described in literature in the art or according to the product specification.

Referring to fig. 1 and 2, the water retaining device for flood prevention of the hydraulic engineering comprises a side retaining part 1, a middle retaining part 2 and a loosening part 3; the side blocking parts 1 and the middle blocking part 2 are both placed on the riverbed; two side blocking parts 1 are arranged, and the two side blocking parts 1 are respectively positioned at two sides of the riverbed; the middle blocking parts 2 are arranged in a plurality according to the width of the riverbed, and the middle blocking parts 2 are arranged at equal intervals along the width direction of the riverbed; the middle blocking parts 2 are connected with each other in an inserting manner; the middle blocking part 2 is connected with the side blocking part 1 in an inserting way; the loose part 3 is arranged at the joint between the middle blocking parts 2 or at the upper side of the joint between the middle blocking part 2 and the side blocking part 1 in a clamping manner; when water is required to be retained, the side retaining parts 1 are placed at the two sides of the river channel, the middle retaining parts 2 are inserted into one side, away from the river bank, of the side retaining part 1, and the middle retaining parts 2 are inserted together, so that the side retaining parts 1 at the two sides and the middle retaining part 2 at the middle position of the river channel are connected into a whole, and water flow is blocked; when the water retaining equipment needs to be disassembled, the loosening part 3 is arranged at the joint between the side blocking part 1 and the middle blocking part 2 or the middle blocking part 2, so that the loosening part 3 can loosen the joint, and the disassembly is convenient; the invention is used for retaining water by adopting a splicing mode, so that the invention can automatically adapt to river channels with different widths and river banks with different gradients for retaining water.

Referring to fig. 3, 4 and 5, the side blocking part 1 includes a side blocking plate 11, a rotation blocking plate 12, a rotation gear 13, a locking member 14, a rotation handle 15, a side blocking slot 16, a side blocking expansion link 17, a fastening assembly 18 and a side blocking connecting member 19; the side baffle 11 is placed at the side position of a river bed, and a rotary baffle 12 is rotatably arranged at the position, close to a river bank, of the lower side inside the side baffle 11; a fastening assembly 18 is arranged on one side of the rotary baffle 12 close to the river bank, and teeth are arranged on the upper part of the rotary baffle 12; a rotating handle 15 is rotatably arranged at one side of the upper part of the side baffle 11 close to the river bank; the rotating handle 15 is positioned at the upper part of the rotating baffle 12, and the rear part of the rotating handle 15 is coaxially provided with the rotating gear 13; the rotating gear 13 is meshed with teeth arranged at the upper part of the rotating baffle 12; a side baffle slot 16 is formed in one side of the inside of the side baffle 11, which is far away from the river bank; a side barrier connecting piece 19 is inserted in the side barrier slot 16; the front side of the lower part of the side baffle plate 11 is provided with a side baffle telescopic rod 17; a locking piece 14 is arranged on the rear side of the upper part of the side baffle 11 in a vertically sliding manner; the locking piece 14 is positioned at the upper part of the rotating handle 15; when water is needed to be retained, the side retaining parts 1 are placed at the two sides of the river channel, and the rotary baffle 12 is placed close to the river bank; then, rotating a rotating handle 15, wherein the rotating handle 15 drives a rotating baffle 12 to rotate towards the direction of the river bank through a rotating gear 13; the rotating baffle 12 drives the fastening assembly 18 to be inserted into the side face of the river bank, and when the rotating handle 15 stops rotating, the locking piece 14 automatically locks the angle of the rotating handle 15, so that the rotating baffle 12 is locked at a position close to the side face of the river bank, and the side blocking parts 1 block water flow on two sides of a river channel; the side blocking parts 1 are used for blocking water flows on two sides of a river channel.

Referring to fig. 3 and 4, the rear portion of the rotating handle 15 is provided with locking grooves 151 along the circumferential surface thereof in an equidistant manner; when the rotation of the rotating handle 15 stops, the locking piece 14 is automatically inserted downwards into the locking groove 151, and the rotating angle of the rotating handle 15 is locked, so that the rotating baffle 12 always abuts against the side surface of the river bank; the locking groove 151 is used to lock the rotation angle of the rotating handle 15 in cooperation with the locking member 14.

Referring to fig. 4, the locking member 14 is provided with a slope at the lower part; when the turning handle 15 is turned, the locking groove 151 engages with the inclined surface of the locking member 14, pushing the locking member 14 upward; when the rotation handle 15 stops rotating, the locking piece 14 is automatically inserted into the locking groove 151 under the action of self elasticity, so that the rotation handle 15 can only rotate towards a single direction, when the invention needs to be disassembled, the locking piece 14 is manually pulled upwards, then the locking piece 14 is rotated by 180 degrees, and then the external force of the locking piece 14 is removed, so that the rotation direction of the rotation handle 15 is changed, and the side blocking part 1 can be disassembled from the side surface of the river bank.

Referring to fig. 3 and 5, the fastening assembly 18 includes a fastening frame 181, a fastening plate 182, a pushing member 183, a fastening spring 184, and a shift lever 185; the fastening frame 181 is disposed on one side of the rotating baffle 12 near the river bank; two fastening plates 182 are arranged, and one sides of the two fastening plates 182 close to the river levee are respectively hinged with one sides of the fastening frames 181 close to the river levee; a pushing piece 183 is arranged in the fastening frame 181 in a sliding manner; the upper end and the lower end of the pushing piece 183 are respectively matched with the notches of the two fastening plates 182, a fastening spring 184 is arranged between one side of the pushing piece 183, which is far away from the river bank, and the fastening frame 181, and the front part of one side of the pushing piece 183, which is far away from the river bank, is provided with a shifting lever 185; when the rotating baffle 12 drives the fastening assembly 18 to be inserted into the river bank, the fastening frame 181 drives the fastening plate 182 to be inserted into the river bank, and the fastening plate 182 is pushed by the river bank to approach each other when being inserted; the mutually close fastening plates 182 push the pushing piece 183 to move away from the river bank, and the pushing piece 183 compresses the fastening spring 184 and drives the shift lever 185 to move synchronously when moving; when water flow impacts the rotating baffle 12, the water flow has a tendency of moving the rotating baffle 12, the rotating baffle 12 intends to pull out the fastening assembly 18 from the interior of the river bank, at this time, the fastening spring 184 pushes the pushing piece 183 to move towards the direction far away from the rotating baffle 12 through the elastic force, the pushing piece 183 pushes one side of the fastening plate 182 close to the rotating baffle 12 to automatically expand and abut against the interior of the river bank, and the expanding angle is increased along with the increase of the water flow impact force, so that the fastening assembly 18 is prevented from withdrawing from the interior of the river bank, and the rotating baffle 12 is always abutted against the fixed position on the side face of the river bank under the action of the water flow impact force; when the assembly needs to be disassembled, the shifting lever 185 is manually pulled in a direction away from the river bank, the shifting lever 185 drives the fastening plates 182 to approach each other through the pushing piece 183, so that the fastening plates 182 are not tightly propped against the inside of the river bank, and the fastening assembly 18 can be withdrawn from the inside of the river bank to complete the disassembly; the fastening assembly 18 is used to fix the rotation blocking plate 12 to the side of the river bank so that the side blocking part 1 does not move its position under the impact of the water current.

Referring to fig. 6, 7 and 8, the middle baffle 2 includes a middle baffle 21, a connecting plate 22, an actuating hydraulic cylinder 23, a drain door 24, a middle baffle slot 25, a filter assembly 26, a waterproof assembly 27 and a middle baffle telescopic rod 28; the middle baffles 21 are equidistantly arranged in the middle of the riverbed, the connecting plate 22 is slidably arranged on the right sides of the middle baffles 21, the filtering component 26 is slidably arranged on the left sides of the interiors of the middle baffles 21 up and down, the execution hydraulic cylinder 23 is arranged on the right sides of the upper parts of the middle baffles 21, and the drainage door 24 is slidably arranged on the outer sides of the middle baffles 21 left and right; the upper part of the drain door 24 is connected with the output end of the execution hydraulic cylinder 23; the upper part of the middle baffle 21 is provided with a waterproof assembly 27 in a left-right sliding manner; the waterproof assembly 27 covers the outer side of the execution hydraulic cylinder 23; a middle baffle slot 25 is arranged at the left side of the middle baffle 21, and middle baffle telescopic rods 28 are symmetrically arranged at the left and right sides of the lower part of the middle baffle 21; when water is required to be retained, the connecting plate 22 is pulled out according to the width of the river channel and is inserted into the side retaining slots 16, then the connecting plates 22 of the middle retaining parts 2 are sequentially inserted into the middle retaining slots 25 at adjacent positions, so that the middle retaining parts 2 and the side retaining parts 1 at two sides are connected into a whole, then the telescopic sections of the middle retaining telescopic rods 28 are pulled out to be in contact with the side retaining telescopic rods 17 or the middle retaining telescopic rods 28 at adjacent positions, and then the middle retaining parts are connected together through bolts, so that the connection integrity of the middle retaining parts 2 and the side retaining parts 1 at two sides is further enhanced; in the initial state, the piston rod of the actuating hydraulic cylinder 23 pushes the drain door 24 to be positioned outside the filter assembly 26, so that the water flow is blocked at one side of the middle stop part 2; when water drainage is needed, the piston rod of the retraction execution hydraulic cylinder 23 drives the water drainage door 24 to move towards the right side, so that water flow can move to the other side of the middle baffle part 2 through the filter assembly 26, and water drainage is completed; when water is drained, the filter assembly 26 filters sediment carried in water flow; when the water level is high, the waterproof assembly 27 is automatically closed to protect the actuating hydraulic cylinder 23 from water so as to prevent the actuating hydraulic cylinder 23 from being corroded by water flow; when the water level is low, the waterproof assembly 27 is automatically opened to perform ventilation drying treatment on the execution hydraulic cylinder 23, so that the service life of the execution hydraulic cylinder 23 is ensured; the middle blocking part 2 is used for blocking water flow in the middle of a river channel and draining water according to needs.

The left and right ends of the side stopper link 19 are respectively provided with insertion blocks corresponding to the center stopper insertion groove 25 and the side stopper insertion groove 16, and the left and right ends of the side stopper link 19 are respectively inserted into the center stopper insertion groove 25 and the side stopper insertion groove 16, so that the side stopper portions 1 and the center stopper portions 2 at corresponding positions can be integrally connected.

Referring to fig. 1 and 8, flanges are arranged at the telescopic end surfaces of the side retaining telescopic rod 17 and the middle retaining telescopic rod 28; when water is required to be retained, the two flanges at adjacent positions are connected together through bolts, so that the integrity of the water retaining device in use is improved; flanges arranged at the telescopic end faces of the side baffle telescopic rod 17 and the middle baffle telescopic rod 28 are used for connecting the middle baffle part 2 or the side baffle part 1 at adjacent positions.

Referring to fig. 6 and 7, the waterproof assembly 27 includes a waterproof cover 271, a waterproof rack 272, a waterproof gear 273, a reversing gear 274, a float 275, and a waterproof flap 276; the waterproof cover 271 is arranged on the upper part of the middle baffle 21 in a sliding manner, and a plurality of waterproof turning plates 276 are arranged on the upper part of the waterproof cover 271 in an equidistant rotating manner; a waterproof gear 273 is arranged on the right side of the waterproof turning plate 276; the waterproof gear 273 is located on the right side of the waterproof cover 271; a reversing gear 274 is rotatably arranged on the right side of the waterproof cover 271; the reversing gears 274 are all arranged at the rear side of the waterproof gear 273 and are respectively meshed with the waterproof gears 273 at adjacent positions; a waterproof rack 272 is arranged on the rear part of the right side of the waterproof cover 271 in a sliding manner up and down; the waterproof rack 272 is engaged with a reversing gear 274 positioned at the rear part, and a buoy 275 is arranged at the rear side of the lower part of the waterproof rack 272; the waterproof cover 271 is first moved to the outside of the actuating cylinder 23 and then its position is locked; when the water level is high, the buoyancy of the river water pushes the buoy 275 to move upwards, the buoy 275 drives the waterproof racks 272 to synchronously move upwards, the waterproof racks 272 are driven to rotate by meshing with the reversing gear 274, the reversing gear 274 drives all the waterproof turning plates 276 to rotate 90 degrees by virtue of the waterproof gears 273, so that the waterproof turning plates 276 are closed, and the execution hydraulic cylinder 23 is protected from water; when the water level is low, the buoy 275 moves downwards to drive the waterproof turnover plate 276 to be opened, and the execution hydraulic cylinder 23 is ventilated and dried; the waterproof assembly 27 is used for protecting the actuating hydraulic cylinder 23 from water, thereby ensuring the service life of the actuating hydraulic cylinder 23.

Referring to fig. 6, 9 and 10, the filter assembly 26 includes a filter screen frame 261, a paddle 262, a reciprocating screw 263, a cleaning roller frame 264, a cleaning roller 265, a cleaning gear 266 and a cleaning rack 267; the filter screen frame 261 is inserted into the left side inside the middle baffle 21, a reciprocating screw 263 is rotatably arranged on the left side inside the filter screen frame 261, and blades 262 are rotatably arranged on the lower side of the rear part of the filter screen frame 261; the blades 262 are connected with the lower part of the reciprocating screw 263 through bevel gear transmission; the left end of the cleaning roller frame 264 is sleeved outside the reciprocating screw 263 and is in threaded fit with the reciprocating screw 263, and the cleaning roller 265 is rotatably sleeved outside the cleaning roller frame 264; a cleaning gear 266 is installed on the right side of the cleaning roller 265; a cleaning rack 267 is arranged at the right side in the filter screen frame 261 along the vertical direction; the cleaning rack 267 is engaged with the cleaning gear 266; when water is drained, river water flows through the filter screen frame 261, silt in the river water is filtered by the filter screens on the front side and the rear side of the filter screen frame 261, meanwhile, the blade 262 is pushed to rotate by water flow, the blade 262 drives the reciprocating screw rod 263 to rotate through bevel gear transmission, the reciprocating screw rod 263 drives the cleaning roller frame 264 to reciprocate up and down along the axial direction of the reciprocating screw rod 263 through the thread fit with the cleaning roller frame 264, the cleaning roller frame 264 drives the cleaning roller 265 to move synchronously, and the cleaning roller 265 rotates under the meshing action of the cleaning gear 266 and the cleaning rack 267 while moving up and down, so that the cleaning roller 265 sweeps and cleans the filter screens on the filter screen frame 261, the filter screens are prevented from being blocked by the silt, and the filtering effect and the drainage flow rate are ensured; the filter assembly 26 is used to filter silt from the water stream as it is being drained, preventing silt from settling downstream.

Referring to fig. 1 and 2, the loosening part 3 includes a loosening stud 31, a loosening transverse plate 32, a clamping jaw 33 and a loosening clamping groove 34; the lower part of the loose transverse plate 32 is symmetrically provided with clamping jaws 33 in a sliding manner back and forth; a loosening spring is arranged between the clamping jaw 33 and the loosening transverse plate 32; the middle part of the loosening transverse plate 32 is rotatably provided with a loosening stud 31; the loose stud 31 is in threaded fit with the loose transverse plate 32, and a loose clamping groove 34 is formed in the lower portion of the loose stud 31; when the invention needs to be disassembled, the loosening part 3 is moved to the middle blocking part 2 or the upper side of the connecting part of the middle blocking part 2 and the side blocking part 1, the position of the loosening part 3 is locked by the clamping jaw 33, then the loosening stud 31 is rotated to move downwards to the loosening clamping groove 34 to be inserted into the connecting plate 22, and then the loosening stud 31 is reversed, so that the connecting plate 22 is lifted by a distance, the connection of the connecting plate 22 is loosened, and the connecting plate 22 is convenient to disassemble; not hard up portion 3 is used for becoming flexible the connecting plate 22 that causes the difficulty of dismantling because of silt blocks up to carry out quick dismantlement to connecting plate 22.

Referring to fig. 2 and 11, a lifting hole 221 is formed on the right side of the upper portion of the connecting plate 22; a lifting clamping piece 222 is arranged at the upper part of the right side of the connecting plate 22 in a left-right sliding manner; a semicircular groove is formed in the left side of the lifting clamping piece 222; when the loose stud 31 is inserted into the lifting hole 221, the lifting clip 222 is automatically clipped at the loose clip groove 34 under the action of the self elasticity, so that the connecting plate 22 and the loose stud 31 are fixed together, and the connecting plate 22 is conveniently lifted; the lifting latch 222 is used for latching the loose stud 31 and fixing the position of the loose stud relative to the connecting plate 22.

The operation steps of the invention when flood prevention and water retaining are carried out are as follows:

firstly, placing side retaining parts 1 at two sides of a river channel, and placing a rotary baffle 12 close to a river bank; then, rotating a rotating handle 15, wherein the rotating handle 15 drives a rotating baffle 12 to rotate towards the direction of the river bank through a rotating gear 13; when the rotation of the rotating handle 15 stops, the locking piece 14 is automatically inserted downwards into the locking groove 151, and the rotating angle of the rotating handle 15 is locked, so that the rotating baffle 12 always abuts against the side surface of the river bank; the rotating baffle 12 drives the fastening plate 182 to be inserted into the river bank through the fastening frame 181, and the fastening plate 182 is pushed by the river bank to be close to each other when being inserted; the mutually close fastening plates 182 push the pushing piece 183 to move away from the river bank, and the pushing piece 183 compresses the fastening spring 184 and drives the shift lever 185 to move synchronously when moving;

secondly, pulling out the connecting plates 22 according to the width of the river channel, inserting the connecting plates 22 into the side retaining slots 16, then sequentially inserting the connecting plates 22 of the middle retaining parts 2 into the middle retaining slots 25 at adjacent positions, so that the middle retaining parts 2 and the side retaining parts 1 at two sides are connected into a whole, and then connecting the two flanges at adjacent positions together through bolts, so that the connection integrity of the middle retaining parts 2 and the side retaining parts 1 at two sides is further enhanced;

thirdly, when water flow impacts the rotating baffle 12, the water flow has a tendency of moving the rotating baffle 12, the rotating baffle 12 is about to pull out the fastening assembly 18 from the interior of the river bank, at this time, the fastening spring 184 pushes the pushing piece 183 to move towards the direction far away from the rotating baffle 12 through elasticity, the pushing piece 183 pushes one side of the fastening plate 182 close to the rotating baffle 12 to automatically expand and tightly abut against the interior of the river bank, and the expanding angle is increased along with the increase of the water flow impact force, so that the fastening assembly 18 is prevented from withdrawing from the interior of the river bank, and the rotating baffle 12 is enabled to always abut against the fixed position on the side face of the river bank under the action of the water flow impact force;

fourthly, during water storage, the buoyancy of the river water pushes the buoy 275 to move upwards, the buoy 275 drives the waterproof racks 272 to synchronously move upwards, the waterproof racks 272 drive the waterproof racks to rotate through meshing with the reversing gear 274, the reversing gear 274 drives all the waterproof turning plates 276 to rotate 90 degrees through the waterproof gears 273, so that the waterproof turning plates 276 are closed, and the execution hydraulic cylinder 23 is protected from water;

fifthly, when water is drained, river water flows through the filter screen frame 261, silt in the river water is filtered by the filter screen frame 261 through the filter screens on the front side and the rear side, meanwhile, the water flow pushes the blades 262 to rotate, the blades 262 drive the reciprocating screw rods 263 to rotate through bevel gear transmission, the reciprocating screw rods 263 are driven to reciprocate up and down along the axial direction of the reciprocating screw rods 263 through the thread matching with the cleaning roller frame 264, the cleaning roller frame 264 drives the cleaning rollers 265 to move synchronously, and the cleaning rollers 265 move up and down and simultaneously rotate under the meshing action of the cleaning gears 266 and the cleaning racks 267, so that the cleaning rollers 265 sweep and clean the filter screens on the filter screen frame 261, and the filter screens are prevented from being blocked by the silt;

sixthly, after the water level is lowered, the buoy 275 moves downwards to drive the waterproof turnover plate 276 to be opened, and the execution hydraulic cylinder 23 is ventilated and dried; thereby ensuring the service life of the execution hydraulic cylinder 23;

seventhly, when the connection plate needs to be detached, the loose part 3 is moved to the middle blocking part 2, or the upper side of the connection part of the middle blocking part 2 and the side blocking part 1 is moved, the position of the loose part 3 is locked through the clamping jaw 33, then the loose stud 31 is rotated to be downwards moved to the loose clamping groove 34 to be inserted into the lifting hole 221, the lifting clamping piece 222 is automatically clamped at the loose clamping groove 34 under the action of self elasticity, then the loose stud 31 is reversely rotated, so that the connection plate 22 is lifted by one end distance, the connection of the connection plate 22 is loosened, and the connection plate 22 is conveniently detached.

Although embodiments of the present invention have been shown and described, it will be understood that the embodiments are illustrative and not restrictive, and that various changes, modifications, substitutions and alterations may be made herein without departing from the scope of the invention.

Claims

1. A water retaining device for flood prevention of hydraulic engineering comprises a side retaining part (1), a middle retaining part (2) and a loosening part (3); the side blocking part (1) and the middle blocking part (2) are both placed on a riverbed; two side blocking parts (1) are arranged, and the two side blocking parts (1) are respectively positioned at two sides of the riverbed; the middle blocking parts (2) are arranged in a plurality according to the width of the riverbed, and the middle blocking parts (2) are arranged at equal intervals along the width direction of the riverbed; the device is characterized in that the middle blocking parts (2) are connected with each other in an inserting manner; the middle blocking part (2) is connected with the side blocking parts (1) in an inserting mode; the loose part (3) is arranged at the joint between the middle blocking parts (2) or at the upper side of the joint between the middle blocking parts (2) and the side blocking parts (1) in a clamping manner;

the side blocking part (1) comprises a side blocking plate (11), a rotating blocking plate (12), a rotating gear (13), a locking piece (14), a rotating handle (15), a side blocking slot (16), a side blocking telescopic rod (17), a fastening assembly (18) and a side blocking connecting piece (19); the side baffle (11) is placed at the side position of a riverbed, and a rotary baffle (12) is rotatably arranged at the position, close to a river bank, of the lower side inside the side baffle (11); a fastening assembly (18) is arranged on one side of the rotating baffle (12) close to the river bank, and teeth are arranged on the upper part of the rotating baffle (12); a rotating handle (15) is rotatably arranged on one side of the upper part of the side baffle (11) close to the river bank; the rotating handle (15) is positioned at the upper part of the rotating baffle (12), and the rear part of the rotating handle (15) is coaxially provided with a rotating gear (13); the rotating gear (13) is meshed with teeth arranged on the upper part of the rotating baffle (12); a side baffle slot (16) is formed in one side of the inside of the side baffle (11) far away from the river bank; a side baffle connecting piece (19) is inserted in the side baffle slot (16); a side baffle telescopic rod (17) is arranged on the front side of the lower part of the side baffle (11); a locking piece (14) is arranged on the rear side of the upper part of the side baffle (11) in a vertical sliding manner; the locking piece (14) is positioned at the upper part of the rotating handle (15);

the middle baffle part (2) comprises a middle baffle (21), a connecting plate (22), an execution hydraulic cylinder (23), a drain door (24), a middle baffle slot (25), a filtering component (26), a waterproof component (27) and a middle baffle telescopic rod (28); the middle baffles (21) are equidistantly arranged in the middle of a riverbed, the right sides of the middle baffles (21) are provided with connecting plates (22) in a sliding manner, the left sides inside the middle baffles (21) are provided with filter assemblies (26) in an up-and-down sliding manner, the right sides of the upper parts of the middle baffles (21) are provided with actuating hydraulic cylinders (23), and the outer sides of the middle baffles (21) are provided with drain doors (24) in a left-and-right sliding manner; the upper part of the drain door (24) is connected with the output end of the execution hydraulic cylinder (23); the upper part of the middle baffle (21) is provided with a waterproof assembly (27) in a left-right sliding manner; the waterproof component (27) covers the outer side of the execution hydraulic cylinder (23); a middle baffle slot (25) is formed in the left side of the middle baffle plate (21), and middle baffle telescopic rods (28) are symmetrically arranged on the left and right sides of the front side of the lower portion of the middle baffle plate (21).

2. The water retaining equipment for the hydraulic engineering flood prevention according to claim 1, wherein the loosening part (3) comprises a loosening stud (31), a loosening transverse plate (32), a clamping jaw (33) and a loosening clamping groove (34); clamping jaws (33) are symmetrically arranged at the front and back of the lower part of the loose transverse plate (32) in a sliding manner; a loosening spring is arranged between the clamping jaw (33) and the loosening transverse plate (32); a loosening stud (31) is rotatably arranged in the middle of the loosening transverse plate (32); the loose stud (31) is in threaded fit with the loose transverse plate (32), and a loose clamping groove (34) is formed in the lower portion of the loose stud (31).

3. The water retaining equipment for the water conservancy project flood prevention according to claim 1, wherein the fastening assembly (18) comprises a fastening frame (181), a fastening plate (182), a pushing piece (183), a fastening spring (184) and a shifting rod (185); the fastening frame (181) is arranged on one side of the rotating baffle plate (12) close to the river bank; two fastening plates (182) are arranged, and one side of each fastening plate (182) close to the river bank is hinged with one side of each fastening frame (181) close to the river bank; a pushing piece (183) is arranged in the fastening frame (181) in a sliding manner; the upper end and the lower end of the pushing piece (183) are respectively matched with the notches of the two fastening plates (182), a fastening spring (184) is arranged between one side of the pushing piece (183), which is far away from the river bank, and the fastening frame (181), and the front part of one side of the pushing piece (183), which is far away from the river bank, is provided with a shifting lever (185).

4. The water retaining equipment for the hydraulic engineering flood prevention according to claim 1, wherein the filtering assembly (26) comprises a filtering net rack (261), blades (262), a reciprocating screw rod (263), a cleaning roller rack (264), a cleaning roller (265), a cleaning gear (266) and a cleaning rack (267); the filter screen frame (261) is inserted into the left side inside the middle baffle (21), a reciprocating screw rod (263) is rotatably arranged on the left side inside the filter screen frame (261), and blades (262) are rotatably arranged on the lower side of the rear part of the filter screen frame (261); the blade (262) is connected with the lower part of the reciprocating screw rod (263) through bevel gear transmission; the left end of the cleaning roller frame (264) is sleeved on the outer side of the reciprocating screw rod (263) and is in threaded fit with the reciprocating screw rod, and the cleaning roller (265) is rotatably sleeved on the outer side of the cleaning roller frame (264); a cleaning gear (266) is arranged on the right side of the cleaning roller (265); a cleaning rack (267) is arranged on the right side inside the filter screen rack (261) along the vertical direction; the cleaning rack (267) is meshed with the cleaning gear (266).

5. The water retaining device for the flood prevention of the hydraulic engineering according to claim 1, wherein the waterproof assembly (27) comprises a waterproof cover (271), a waterproof rack (272), a waterproof gear (273), a reversing gear (274), a buoy (275) and a waterproof turning plate (276); the waterproof cover (271) is arranged on the upper part of the middle baffle (21) in a sliding manner, and a plurality of waterproof turning plates (276) are arranged on the upper part of the waterproof cover (271) in an equidistant rotating manner; a waterproof gear (273) is arranged on the right side of the waterproof turning plate (276); the waterproof gear (273) is positioned on the right side of the waterproof cover (271); a reversing gear (274) is rotatably arranged on the right side of the waterproof cover (271); the reversing gears (274) are all arranged on the rear side of the waterproof gear (273) and are respectively meshed with the waterproof gears (273) at the adjacent positions; a waterproof rack (272) is arranged at the rear part of the right side of the waterproof cover (271) in a sliding manner up and down; the waterproof rack (272) is meshed with the reversing gear (274) positioned at the rear part, and a buoy (275) is arranged on the rear side of the lower part of the waterproof rack (272).

6. The water retaining equipment for the hydraulic engineering flood prevention according to claim 1, wherein flanges are arranged at the telescopic end faces of the side blocking telescopic rod (17) and the middle blocking telescopic rod (28).

7. The water retaining device for flood prevention of hydraulic engineering according to claim 1, wherein the rear portion of the rotating handle (15) is provided with locking grooves (151) along the circumferential surface thereof in an equidistant surrounding manner.

8. The water retaining device for the hydraulic engineering flood prevention according to claim 1, wherein an inclined surface is arranged at the lower part of the locking piece (14).

9. The water retaining equipment for the hydraulic engineering flood prevention according to claim 1, wherein a lifting hole (221) is formed in the right side of the upper portion of the connecting plate (22); a lifting clamping piece (222) is arranged at the upper part of the right side of the connecting plate (22) in a left-right sliding manner; the left side of the lifting clamping piece (222) is provided with a semicircular groove.