CN110644435B

CN110644435B - Facility and method for reservoir siphon water change by utilizing rainfall flood resources

Info

Publication number: CN110644435B
Application number: CN201910926915.8A
Authority: CN
Inventors: 陈磊; 黎世荇
Original assignee: Anhui Tusheng Planning And Design Consulting Co ltd
Current assignee: Anhui Tusheng Planning And Design Consulting Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2021-04-30
Anticipated expiration: 2039-09-27
Also published as: CN110644435A

Abstract

The invention discloses a facility and a method for siphon water exchange of a reservoir by utilizing rainfall flood resources, which relate to the technical field of water conservancy and environmental protection, and the technical scheme is characterized by comprising a dam, a water collecting tank, a apron, a reservoir, a row of siphons and a water pump, wherein the dam is provided with a plurality of groups of fixing devices, and each group of fixing devices comprises a plurality of mounting grooves and a plurality of concrete blocks; a connecting pipe is prefabricated in each concrete block, and a fixing mechanism is installed in each connecting pipe; the fixing mechanism comprises a first lead screw; the top of the first screw rod is provided with an installation mechanism, and the installation mechanism comprises a connecting plate, a fixed frame, a second screw rod, a hand wheel, two abutting blocks and two cambered surfaces; the both ends of second lead screw are provided with left hand thread and right hand thread respectively, and two butt joint pieces are threaded connection in left hand thread and right hand thread respectively. The fixing device is arranged, so that the siphon is convenient to fix, and the possibility of shaking of the siphon in the water conveying process can be reduced.

Description

Facility and method for reservoir siphon water change by utilizing rainfall flood resources

Technical Field

The invention relates to the technical field of water conservancy and environmental protection, in particular to a facility and a method for siphon water change of a reservoir by utilizing rainfall flood resources.

Background

At present, when the water of a reservoir is replaced, water is pumped by water pump equipment or water is drained by opening a bottom hole of a dam. If a water pump is used for pumping water, a large amount of manpower, equipment, energy and expenditure are required, if the dam bottom hole is used for draining water, only local water in the reservoir can be replaced, and water in a gravel layer at the bottom of the reservoir cannot be replaced.

The prior art can refer to Chinese patent document with publication number CN109930548A, which discloses a facility and a method for siphon water exchange of reservoir by utilizing rainfall flood resources, comprising a water collecting tank arranged at the upstream dam foot of a dam, a flat protector arranged at the downstream dam foot of the dam, a reservoir arranged on the river bank and a row of siphon pipes arranged on the dam; the siphon pipe is formed by sequentially connecting a water inlet pipeline, a hump pipeline, a drainage device and a water outlet pipeline from the upstream to the downstream of the dam; the water inlet pipeline is arranged on an upstream dam slope of the dam, the hump pipeline is arranged on the top of the dam, and the flow diverter is arranged on the upper part of a downstream dam slope of the dam; the water inlet of the water inlet pipeline is positioned at the bottom of the water collecting tank, the water outlet of the water outlet pipeline is positioned at the bottom of the apron, and the water outlet is provided with a water outlet sensor; an air inlet is formed in the hump pipeline, and an air inlet valve is arranged at the air inlet; the drainage device comprises a straight-through pipe, a branch pipe a and a branch pipe b, wherein the upper port of the straight-through pipe is connected with the hump pipeline, the lower port of the straight-through pipe is connected with the water outlet pipeline, the branch pipe a is arranged at the upper section part of the straight-through pipe, and the branch pipe b is arranged at the lower section part of the straight-through pipe; the branch pipes a of each siphon are respectively communicated with the water conveying pipe of the reservoir through valves a; a water pump and a control cabinet are respectively arranged beside each siphon pipe at the top of the dam, the water inlet of the water inlet pipe of the water pump is positioned below the upstream water level line of the dam, and the water outlet pipe of the water pump is respectively communicated with a branch pipe b of the corresponding siphon pipe through a valve b; and cables of the valve a, the water pump, the valve b, the water outlet sensor and the air inlet valve are respectively connected with the corresponding control cabinet. The working process of the facility is as follows: step (I): the control cabinet closes the air inlet valve and the valve b and opens the valve a, and water in the water storage tank flows into the drainage device branch pipe a from the water delivery pipe; step (II): the control cabinet opens the water pump and the valve b, water flow enters the drainage device from the branch pipe b, and a water outlet pipeline forms pipe flow; step (three): the water flows out from the water outlet of the water outlet pipeline, the water outlet sensor outputs a water outlet signal, the control cabinet closes the valve a, the water pump and the valve b, the water in the water outlet pipeline continuously flows out from the water outlet under the action of gravity and inertia, so that negative pressure is formed in the hump pipeline, the water at the upstream of the dam is pressed into the siphon pipe from the water inlet of the water inlet pipeline under the action of atmospheric pressure, the water level in the water inlet pipeline gradually rises until the water flows into the drainage device and the water outlet pipeline from the hump pipeline, and the water flow flows into the apron from the water outlet of the water outlet pipeline, so that siphon; when the control cabinet opens the air inlet valve to let air enter the siphon pipe, the siphon water drainage is stopped.

However, the dam is not provided with a fixing device for fixing the siphon tube, so that the siphon tube is not fixed, and the siphon tube is easy to shake during water transportation.

Disclosure of Invention

In view of the defects in the prior art, an object of the present invention is to provide a siphon water exchange facility for a reservoir by utilizing rainfall flood resources, which is convenient for fixing a siphon pipe by arranging a fixing device, so as to reduce the possibility of shaking of the siphon pipe during water transportation.

In order to achieve the purpose, the invention provides the following technical scheme: a facility for siphon water exchange of a reservoir by utilizing rainfall flood resources comprises a dam, a water collecting tank, a protection platform, a reservoir, a row of siphon pipes and a water pump, wherein a plurality of groups of fixing devices for fixing the siphon pipes are arranged on the dam, and each group of fixing devices comprises a plurality of mounting grooves which are sequentially arranged on the dam along the axial lead direction of the siphon pipe and a plurality of concrete blocks which are poured in the mounting grooves in a one-to-one correspondence manner; a connecting pipe is prefabricated in each concrete block, and a fixing mechanism is installed in each connecting pipe; the fixing mechanism comprises a first lead screw in threaded connection with the connecting pipe; the siphon pipe fixing device comprises a first lead screw, a second lead screw, a hand wheel, two abutting blocks and two concave cambered surfaces, wherein the first lead screw is fixedly sleeved on a connecting plate of the first lead screw; and the two ends of the second lead screw are respectively provided with a left thread and a right thread, and the two butting blocks are respectively in threaded connection with the left thread and the right thread.

By adopting the technical scheme, the first lead screw is connected to the connecting pipe in a threaded manner, then the siphon pipe penetrates through the space between the two abutting blocks, then the second lead screw is rotated by rotating the hand wheel, and the second lead screw rotates to drive the two abutting blocks to move oppositely, so that the siphon pipe can be fixed; in conclusion, the fixing device is arranged, so that the siphon is convenient to fix, and the possibility of shaking of the siphon in the water conveying process can be reduced.

The invention is further configured to: the fixing mechanism further comprises a drill bit fixedly connected to the bottom of the first lead screw, an abdicating groove formed in the top of the first lead screw, a supporting plate fixedly connected in the abdicating groove, a screw rod in threaded connection with the supporting plate, a driving assembly arranged between the first lead screw and the second lead screw and used for driving the screw rod to rotate, a first inclined block fixedly connected to the bottom of the screw rod and in an annular shape, and a plurality of second inclined blocks slidably connected to the side wall of the abdicating groove along the radial direction of the first lead screw; the inclined surface of the second inclined block is abutted against the inclined surface of the first inclined block, one end, far away from the first inclined block, of the second inclined block penetrates through the outer side wall of the first screw rod, and a spine part is fixedly connected to one end, far away from the first inclined block, of the second inclined block; and a reset assembly is arranged on each second inclined block.

By adopting the technical scheme, when the first lead screw is required to be limited, the first inclined block is driven to rotate to be close to the second inclined block to move by the driving component, and the first inclined block moves to drive the second inclined block to move, so that the second inclined block is inserted into a soil body of a dam, the first lead screw can be limited, and the connection between the concrete block and the dam is more stable.

The invention is further configured to: the driving assembly comprises a fixing plate fixedly connected to the opening of the abdicating groove, a through hole formed in the fixing plate, a driving pipe rotatably connected to the through hole, a spline fixedly connected to the top of the screw rod, a key groove formed in the inner wall of the driving pipe and used for enabling the spline to slide along the axial direction of the first lead screw, a worm fixedly sleeved on the second lead screw and a worm wheel detachably connected to the driving pipe through a bolt; the worm wheel and the worm are meshed with each other.

By adopting the technical scheme, the second lead screw rotates to drive the worm to rotate, the worm rotates to drive the worm wheel to rotate, the worm wheel rotates to drive the driving pipe to rotate, and the driving pipe rotates to drive the screw to rotate, so that the screw can rotate more stably; moreover, the worm wheel can be dismantled and connect in the driving tube, when not needing the screw rod to rotate, the accessible is unscrewed the bolt and is made worm wheel and driving tube separation to the second lead screw of being convenient for continues to rotate.

The invention is further configured to: the reset assembly comprises a reset block vertically and fixedly connected to one end, far away from the spine part, of the second inclined block and a reset spring fixedly connected to one side, far away from the screw, of the reset block; one end of the reset spring, which is far away from the reset block, is fixedly connected with the inner side wall of the abdicating groove.

By adopting the technical scheme, the second inclined block moves towards the interior of the soil body of the dam to drive the reset block to move, the reset block moves to press the reset spring, and the reset spring is in a compressed state at the moment; when the second sloping block needs to be reset, the first sloping block is far away from the second sloping block to move by reversing the screw rod, and the second sloping block is pushed to reset by the resetting block under the action of the resetting spring, so that the operation is simple and convenient.

The invention is further configured to: each abutting block is fixedly connected with a plurality of guide rods at one side close to the fixing frame, and a plurality of sliding grooves convenient for the guide rods to slide along the length direction of the fixing frame are formed in the fixing frame.

Through adopting above-mentioned technical scheme, the spout has the guide effect to the guide arm to can reduce the butt joint piece and take place the possibility of deviating at the length direction of following the mount in-process that slides.

The invention is further configured to: the fixing frame is provided with a limiting mechanism for preventing the second lead screw from reversing, and the limiting mechanism comprises a gear sleeved and fixed on the second lead screw, a connecting shaft vertically and fixedly connected to one end, close to the hand wheel, of the fixing frame, an inserting block rotatably connected to the connecting shaft, a fixing block vertically and fixedly connected to one side, close to the hand wheel, of the fixing frame, and a fixing spring fixedly connected to one side, close to the inserting block, of the fixing block; the inserting block is inserted into the groove of the gear; one side of the fixed spring, which is far away from the fixed block, is fixedly connected with one side of the inserted block, which is far away from the gear.

By adopting the technical scheme, the second lead screw rotates to drive the gear to rotate, the gear rotates to push the insert block to move so as to separate the insert block from the gear, the insert block moves to press the fixed spring, and the fixed spring is in a compressed state at the moment; when the second lead screw rotates to a proper position, the fixed spring pushes the insert block to be inserted into the groove of the gear, so that the gear can be limited, and the second lead screw is limited; the limiting mechanism is arranged, so that the second lead screw can be automatically limited, and the possibility of reverse rotation of the second lead screw can be reduced; when the second lead screw needs to be reversely rotated, the insert block is manually driven to be separated from the gear, so that the operation is simple and convenient.

The invention is further configured to: a connecting mechanism for fixing the hand wheel is arranged between the hand wheel and the second lead screw, and comprises a square block fixedly connected to one end of the hand wheel close to the second lead screw, slots which are formed in the end face of the second lead screw close to one end of the hand wheel and used for inserting the square block, two strip-shaped grooves respectively formed in two sides of the square block, two short shafts respectively rotatably connected to one ends of the two strip-shaped grooves far away from the hand wheel, two strip-shaped blocks respectively fixedly connected to the two short shafts, and two torsion springs respectively sleeved on the two short shafts; one end of the torsion spring is fixedly connected to the strip-shaped block, and the other end of the torsion spring is fixedly connected to one side of the strip-shaped groove.

By adopting the technical scheme, before the hand wheel is installed, the strip-shaped block is transferred into the strip-shaped groove, then the square block is inserted into the slot, and at the moment, the torsion spring is in a compressed state; and then the strip-shaped block is released, and the strip-shaped block is abutted against the inner peripheral surface of the slot under the action of the torsion spring, so that the possibility of separation of the hand wheel and the second lead screw can be reduced.

In view of the defects in the prior art, another object of the present invention is to provide a method for siphon water exchange of a reservoir by utilizing rainfall flood resources, wherein a fixing device is used to fix a siphon tube, so as to reduce the possibility of shaking of the siphon tube during water transportation.

In order to achieve the purpose, the invention provides the following technical scheme: a method for siphon water exchange of a reservoir by utilizing rainfall flood resources comprises the following steps: the method comprises the following steps: before installing the siphon, firstly installing a fixing device, then installing the siphon, and then fixing the siphon through the fixing device; then closing the air inlet valve and the valve b and opening the valve a through the control cabinet, and at the moment, the water in the water storage tank flows into the branch pipe a of the drainage device from the water delivery pipe; step two: the water pump and the valve b are opened through the control cabinet, water flow enters the drainage device from the branch pipe b, and a water outlet pipeline forms pipe flow; step three: the water flows out from the water outlet of the water outlet pipeline, the water outlet sensor outputs a water outlet signal, the control cabinet closes the valve a, the water pump and the valve b, the water in the water outlet pipeline continuously flows out from the water outlet under the action of gravity and inertia, so that negative pressure is formed in the hump pipeline, the water at the upstream of the dam is pressed into the siphon pipe from the water inlet of the water inlet pipeline under the action of atmospheric pressure, the water level in the water inlet pipeline gradually rises until the water flows into the drainage device and the water outlet pipeline from the hump pipeline, and the water flow flows into the apron from the water outlet of the water outlet pipeline, so that siphon; when the control cabinet opens the air inlet valve to let air enter the siphon pipe, the siphon water drainage is stopped.

Through adopting above-mentioned technical scheme, fix the siphon through fixing device, can reduce the siphon and take place the possibility of rocking at fortune water in-process.

In summary, compared with the prior art, the invention has the following beneficial effects:

1. firstly, a first lead screw is in threaded connection with a connecting pipe, then a siphon pipe penetrates through the space between the two abutting blocks, then a second lead screw is rotated by rotating a hand wheel, and the second lead screw rotates to drive the two abutting blocks to move oppositely, so that the siphon pipe can be fixed; in conclusion, the fixing device is arranged, so that the siphon is convenient to fix, and the possibility of shaking of the siphon in the water conveying process can be reduced;

2. when the first lead screw needs to be limited, the screw is driven to rotate by the driving assembly to enable the first inclined block to move close to the second inclined block, the first inclined block moves to drive the second inclined block to move, so that the second inclined block is inserted into a soil body of a dam, the first lead screw can be limited, and the connection between the concrete block and the dam can be more stable;

3. the second lead screw rotates to drive the gear to rotate, the gear rotates to push the insert block to move so that the insert block is separated from the gear, the insert block moves to press the fixed spring, and the fixed spring is in a compressed state; when the second lead screw rotates to a proper position, the fixed spring pushes the insert block to be inserted into the groove of the gear, so that the gear can be limited, and the second lead screw is limited; the limiting mechanism is arranged, so that the second lead screw can be automatically limited, and the possibility of reverse rotation of the second lead screw can be reduced; when the second lead screw needs to be reversely rotated, the insert block is manually driven to be separated from the gear, so that the operation is simple and convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view showing the structure of the fastening device in the embodiment;

FIG. 3 is a schematic structural view of a highlighted mounting mechanism in an embodiment;

FIG. 4 is a partial cross-sectional view of a highlighted securing mechanism of the embodiment;

FIG. 5 is an enlarged view of a portion of FIG. 3 at A;

FIG. 6 is a schematic structural view of the embodiment of the prominent limit mechanism;

FIG. 7 is a schematic view showing the structure of the embodiment of the salient torsion spring.

In the figure: 1. a dam; 2. a siphon tube; 3. a fixing device; 31. mounting grooves; 32. a concrete block; 33. a connecting pipe; 4. an installation mechanism; 41. a connecting plate; 42. a fixed mount; 421. a chute; 43. a second lead screw; 431. a left thread; 432. a right thread; 44. a hand wheel; 45. a butting block; 451. a cambered surface; 452. a guide bar; 5. a fixing mechanism; 51. a first lead screw; 52. a drill bit; 53. a yielding groove; 54. a support plate; 55. a screw; 56. a first swash block; 57. a second swash block; 571. a spike portion; 58. a drive assembly; 581. a fixing plate; 582. a through hole; 583. a drive tube; 584. a spline; 585. a keyway; 586. a worm; 587. a worm gear; 59. a reset assembly; 591. a reset block; 592. a return spring; 6. a limiting mechanism; 61. a gear; 62. a connecting shaft; 63. inserting a block; 64. a fixed block; 65. fixing the spring; 7. a connecting mechanism; 71. a square block; 72. a slot; 73. a strip-shaped groove; 74. a minor axis; 75. a torsion spring; 76. and (4) a strip-shaped block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b): a facility for siphon water exchange of a reservoir by utilizing rainfall flood resources comprises a dam 1, a water collecting tank, a apron, a water storage tank, a row of siphon pipes 2 and a water pump, wherein the dam 1 is provided with a plurality of groups of fixing devices 3 for fixing the siphon pipes 2.

As shown in fig. 2 and 3, each set of fixing devices 3 includes a plurality of mounting grooves 31 sequentially opened on the dam 1 along the axial direction of the siphon 2 and a plurality of concrete blocks 32 poured in the mounting grooves 31 in a one-to-one correspondence; a connecting pipe 33 is prefabricated in each concrete block 32, and a fixing mechanism 5 is installed in each connecting pipe 33; the fixing mechanism 5 includes a first lead screw 51 screwed to the connection pipe 33; the top of the first lead screw 51 is provided with an installation mechanism 4 for fixing the siphon 2, the installation mechanism 4 comprises a connecting plate 41 which is sleeved and fixed on the first lead screw 51, a fixed frame 42 which is fixedly connected to the top of the connecting plate 41, a second lead screw 43 which is rotatably connected to the fixed frame 42 through a bearing and is arranged along the length direction of the fixed frame 42, a hand wheel 44 which is detachably connected to one end of the second lead screw 43, two abutting blocks 45 which are respectively connected to two ends of the fixed frame 42 in a sliding manner along the length direction of the fixed frame 42, and two concave cambered surfaces 451 which are respectively arranged on the opposite inner sides of the two abutting; a plurality of guide rods 452 are fixedly connected to one side of each abutting block 45 close to the fixing frame 42, and a plurality of sliding grooves 421 for the guide rods 452 to slide along the length direction of the fixing frame 42 are formed in the fixing frame 42; both ends of the second lead screw 43 are respectively provided with a left thread 431 and a right thread 432, and the two abutting blocks 45 are respectively in threaded connection with the left thread 431 and the right thread 432. Firstly, the first lead screw 51 is in threaded connection with the connecting pipe 33, then the siphon 2 passes through the space between the two abutting blocks 45, then the second lead screw 43 is rotated by rotating the hand wheel 44, and the second lead screw 43 rotates to drive the two abutting blocks 45 to move oppositely, so that the siphon 2 can be fixed; as described above, the siphon pipe 2 is easily fixed by the fixing device 3, and thus the possibility of the siphon pipe 2 shaking during water transport can be reduced.

As shown in fig. 3 and 4, the fixing mechanism 5 further includes a drill 52 fixedly connected to the bottom of the first lead screw 51, an abdicating groove 53 formed in the top of the first lead screw 51, a support plate 54 fixedly connected to the abdicating groove 53, a screw 55 threadedly connected to the support plate 54, a driving assembly 58 mounted between the first lead screw 51 and the second lead screw 43 for driving the screw 55 to rotate, a first inclined block 56 fixedly connected to the bottom of the screw 55 and having an annular shape, and a plurality of second inclined blocks 57 slidably connected to the side wall of the abdicating groove 53 along the radial direction of the first lead screw 51; the inclined surface of the second inclined block 57 is abutted against the inclined surface of the first inclined block 56, one end of the second inclined block 57, which is far away from the first inclined block 56, penetrates through the outer side wall of the first lead screw 51, and one end of the second inclined block 57, which is far away from the first inclined block 56, is fixedly connected with a spine part 571; each second ramp 57 has a reset assembly 59 mounted thereon. When the first lead screw 51 needs to be limited, the drive assembly 58 drives the screw 55 to rotate so that the first inclined block 56 moves close to the second inclined block 57, the first inclined block 56 moves to drive the second inclined block 57 to move, and therefore the second inclined block 57 is inserted into soil of the dam 1 (see fig. 2), and therefore the first lead screw 51 can be limited.

The driving assembly 58 comprises a fixing plate 581 fixedly connected to an opening of the abdicating groove 53, a through hole 582 arranged on the fixing plate 581, a driving tube 583 rotatably connected to the through hole 582 through a bearing, a spline 584 fixedly connected to the top of the screw 55, a keyway 585 arranged on the inner wall of the driving tube 583 and used for allowing the spline 584 to slide along the axial direction of the first lead screw 51, a worm 586 fixedly sleeved on the second lead screw 43, and a worm wheel 587 detachably connected to the driving tube 583 through a bolt; the worm gear 587 and the worm 586 intermesh. The second screw 43 rotates to drive the worm 586 to rotate, the worm 586 rotates to drive the worm wheel 587 to rotate, the worm wheel 587 rotates to drive the driving pipe 583 to rotate, the driving pipe 583 rotates to drive the screw rod 55 to rotate, and therefore the rotation of the screw rod 55 can be more stable; furthermore, the worm wheel 587 is detachably connected to the driving tube 583, and when the screw 55 is not required to rotate, the worm wheel 587 can be separated from the driving tube 583 or the worm 586 by loosening the bolt, so that the second lead screw 43 can be rotated continuously.

The reset assembly 59 includes a reset block 591 vertically fixed on one end of the second inclined block 57 away from the spike 571 and a reset spring 592 fixed on one side of the reset block 591 away from the screw 55; the end of the return spring 592 remote from the return block 591 is fixed to the inner sidewall of the relief groove 53. The second inclined block 57 moves towards the soil body of the dam 1 to drive the reset block 591 to move, the reset block 591 moves to press the reset spring 592, and at the moment, the reset spring 592 is in a compressed state; when the second inclined block 57 needs to be reset, the first inclined block 56 is moved away from the second inclined block 57 by reversing the screw 55, and the reset block 591 pushes the second inclined block 57 to reset under the action of the reset spring 592, so that the operation is simple and convenient.

As shown in fig. 3 and 5, the fixing frame 42 is provided with a limiting mechanism 6 for preventing the second lead screw 43 from rotating reversely, the limiting mechanism 6 includes a gear 61 fixed on the second lead screw 43 in a sleeving manner, a connecting shaft 62 vertically and fixedly connected to one end of the fixing frame 42 close to the hand wheel 44, an inserting block 63 rotatably connected to the connecting shaft 62, a fixing block 64 vertically and fixedly connected to one side of the fixing frame 42 close to the hand wheel 44, and a fixing spring 65 fixedly connected to one side of the fixing block 64 close to the inserting block 63; the insertion block 63 is inserted into the groove of the gear 61; the side of the fixing spring 65 far away from the fixing block 64 is fixedly connected with the side of the inserting block 63 far away from the gear 61. The second lead screw 43 rotates to drive the gear 61 to rotate, the gear 61 rotates to push the insertion block 63 to move so that the insertion block 63 is separated from the gear 61, the insertion block 63 moves to press the fixed spring 65, and at the moment, the fixed spring 65 is in a compressed state; when the second lead screw 43 rotates to a proper position, the fixing spring 65 pushes the insert block 63 to be inserted into the groove of the gear 61, so that the gear 61 can be limited, and the second lead screw 43 is limited; the second screw 43 can be automatically limited by the limiting mechanism 6, so that the possibility of reverse rotation of the second screw 43 can be reduced; when the second lead screw 43 needs to be reversely rotated, the insertion block 63 is manually driven to be separated from the gear 61, so that the operation is simple and convenient.

As shown in fig. 6 and 7, a connecting mechanism 7 for fixing the hand wheel 44 is arranged between the hand wheel 44 and the second lead screw 43, the connecting mechanism 7 includes a square block 71 fixedly connected to one end of the hand wheel 44 close to the second lead screw 43, an insertion slot 72 provided on an end surface of the second lead screw 43 close to the hand wheel 44 and used for inserting the square block 71, two strip grooves 73 respectively provided on two sides of the square block 71, two short shafts 74 respectively rotatably connected to one ends of the two strip grooves 73 far from the hand wheel 44, two strip blocks 76 respectively fixedly connected to the two short shafts 74, and two torsion springs 75 respectively sleeved on the two short shafts 74; the short shaft 74 can be rotatably connected to the side wall of the strip-shaped groove 73 in a manner that cylindrical grooves are respectively formed in the two sides of the strip-shaped groove 73, and when the short shaft 74 is installed, a mode of cutting firstly and then welding can be adopted; one end of the torsion spring 75 is fixed to the bar block 76, and the other end is fixed to one side of the bar groove 73. Before the hand wheel 44 is installed, the strip-shaped block 76 is transferred into the strip-shaped groove 73, then the square block 71 is inserted into the slot 72, and at the moment, the torsion spring 75 is in a compressed state; next, the bar 76 is released, and at this time, the bar 76 abuts against the inner peripheral surface of the insertion groove 72 by the torsion spring 75, so that the possibility of separation of the hand wheel 44 from the second lead screw 43 can be reduced.

A method for siphon water exchange of a reservoir by utilizing rainfall flood resources comprises the following steps: the method comprises the following steps: before installing the siphon 2, firstly installing the fixing device 3, then installing the siphon 2, and then fixing the siphon 2 through the fixing device 3; then closing the air inlet valve and the valve b and opening the valve a through the control cabinet, and at the moment, the water in the water storage tank flows into the branch pipe a of the drainage device from the water delivery pipe; in order to facilitate the water in the water storage tank to flow into the drainage device from the water delivery pipe, a certain height difference exists between the water inlet end and the water outlet end of the water delivery pipe, or a centrifugal pump is arranged on the water delivery pipe, so that the water in the water storage tank can flow into the drainage device from the water delivery pipe; step two: the water pump and the valve b are opened through the control cabinet, water flow enters the drainage device from the branch pipe b, and a water outlet pipeline forms pipe flow; step three: the water flows out from the water outlet of the water outlet pipeline, the water outlet sensor outputs a water outlet signal, the control cabinet closes the valve a, the water pump and the valve b, the water in the water outlet pipeline continuously flows out from the water outlet under the action of gravity and inertia, so that negative pressure is formed in the hump pipeline, the water at the upstream of the dam 1 is pressed into the siphon pipe 2 from the water inlet of the water inlet pipeline under the action of atmospheric pressure, the water level in the water inlet pipeline gradually rises until the water flows into the drainage device and the water outlet pipeline from the hump pipeline, and the water flow flows into the apron from the water outlet of the water outlet pipeline, so that siphon drainage; when the control cabinet opens the air inlet valve to let air enter the siphon 2, the siphon water drainage stops.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a facility that reservoir utilized rainfall flood resource siphon to trade water, includes dykes and dams (1), catch basin, protects a flat, cistern, a row of siphon (2) and water pump, its characterized in that: a plurality of groups of fixing devices (3) for fixing the siphon pipes (2) are arranged on the dam (1), and each group of fixing devices (3) comprises a plurality of mounting grooves (31) which are sequentially arranged on the dam (1) along the axial lead direction of the siphon pipe (2) and a plurality of concrete blocks (32) which are poured in the mounting grooves (31) in a one-to-one correspondence manner; a connecting pipe (33) is prefabricated in each concrete block (32), and a fixing mechanism (5) is installed in each connecting pipe (33); the fixing mechanism (5) comprises a first lead screw (51) which is in threaded connection with the connecting pipe (33);

the siphon pipe joint comprises a first lead screw (51), a second lead screw (43), a hand wheel (44), two abutting blocks (45) and two concave cambered surfaces (451), wherein the first lead screw (51) is fixedly connected to the top of the first lead screw (4), the second lead screw (43) is rotatably connected to the fixed frame (42) and is arranged along the length direction of the fixed frame (42), the hand wheel (44) is detachably connected to one end of the second lead screw (43), the two abutting blocks (45) are respectively connected to two ends of the fixed frame (42) in a sliding mode along the length direction of the fixed frame (42), and the two concave cambered surfaces (451) are respectively arranged on the inner sides, opposite to the two abutting blocks (45); two ends of the second lead screw (43) are respectively provided with a left thread (431) and a right thread (432), and the two abutting blocks (45) are respectively in threaded connection with the left thread (431) and the right thread (432);

the fixing mechanism (5) further comprises a drill bit (52) fixedly connected to the bottom of the first lead screw (51), an abdicating groove (53) formed in the top of the first lead screw (51), a support plate (54) fixedly connected to the abdicating groove (53), a screw (55) in threaded connection with the support plate (54), a driving assembly (58) arranged between the first lead screw (51) and the second lead screw (43) and used for driving the screw (55) to rotate, a first inclined block (56) fixedly connected to the bottom of the screw (55) and in an annular shape, and a plurality of second inclined blocks (57) connected to the side wall of the abdicating groove (53) in a sliding manner along the radial direction of the first lead screw (51); the inclined surface of the second inclined block (57) is abutted against the inclined surface of the first inclined block (56), one end, far away from the first inclined block (56), of the second inclined block (57) penetrates through the outer side wall of the first lead screw (51), and one end, far away from the first inclined block (56), of the second inclined block (57) is fixedly connected with a spine part (571); a reset component (59) is arranged on each second inclined block (57);

the driving assembly (58) comprises a fixing plate (581) fixedly connected to an opening of the abdicating groove (53), a through hole (582) formed in the fixing plate (581), a driving pipe (583) rotatably connected to the through hole (582), a spline (584) fixedly connected to the top of the screw rod (55), a key groove (585) formed in the inner wall of the driving pipe (583) and used for enabling the spline (584) to slide along the axial direction of the first lead screw (51), a worm (586) fixedly sleeved on the second lead screw (43) and a worm wheel (587) detachably connected to the driving pipe (583) through a bolt; the worm wheel (587) and the worm (586) are meshed with each other.

2. The facility for siphon exchange of water from a reservoir by utilizing rainfall flood resources according to claim 1, wherein: the reset assembly (59) comprises a reset block (591) vertically and fixedly connected to one end, far away from the spine part (571), of the second inclined block (57) and a reset spring (592) fixedly connected to one side, far away from the screw rod (55), of the reset block (591); one end of the return spring (592) far away from the return block (591) is fixedly connected with the inner side wall of the abdicating groove (53).

3. The facility for siphon exchange of water from a reservoir by utilizing rainfall flood resources according to claim 1, wherein: each one side rigid coupling that butt joint piece (45) are close to mount (42) has a plurality of guide arms (452), set up a plurality of spouts (421) that are convenient for supply guide arm (452) to slide along the length direction of mount (42) on mount (42).

4. The facility for siphon exchange of water from a reservoir by utilizing rainfall flood resources according to claim 1, wherein: the limiting mechanism (6) for preventing the second lead screw (43) from reversing is mounted on the fixing frame (42), and the limiting mechanism (6) comprises a gear (61) fixed on the second lead screw (43) in a sleeved mode, a connecting shaft (62) vertically and fixedly connected to one end, close to the hand wheel (44), of the fixing frame (42), an inserting block (63) rotatably connected to the connecting shaft (62), a fixing block (64) vertically and fixedly connected to one side, close to the hand wheel (44), of the fixing frame (42), and a fixing spring (65) fixedly connected to one side, close to the inserting block (63), of the fixing block (64); the inserting block (63) is inserted into the groove of the gear (61); one side of the fixed spring (65), which is far away from the fixed block (64), is fixedly connected with one side of the insertion block (63), which is far away from the gear (61).

5. The facility for siphon exchange of water from a reservoir by utilizing rainfall flood resources according to claim 1, wherein: a connecting mechanism (7) for fixing the hand wheel (44) is arranged between the hand wheel (44) and the second lead screw (43), the connecting mechanism (7) comprises a square block (71) fixedly connected to one end, close to the second lead screw (43), of the hand wheel (44), a slot (72) formed in the end face, close to one end of the hand wheel (44), of the second lead screw (43) and used for inserting the square block (71), two strip-shaped grooves (73) formed in two sides of the square block (71), two short shafts (74) respectively rotatably connected to one ends, far away from the hand wheel (44), of the two strip-shaped grooves (73), two strip-shaped blocks (76) respectively fixedly connected to the two short shafts (74), and two torsion springs (75) respectively sleeved on the two short shafts (74); one end of the torsion spring (75) is fixedly connected to the strip-shaped block (76), and the other end of the torsion spring is fixedly connected to one side of the strip-shaped groove (73).