CN112030898A - Hydraulic engineering is with overflow dam that has flood discharge function - Google Patents

Hydraulic engineering is with overflow dam that has flood discharge function Download PDF

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Publication number
CN112030898A
CN112030898A CN202010875443.0A CN202010875443A CN112030898A CN 112030898 A CN112030898 A CN 112030898A CN 202010875443 A CN202010875443 A CN 202010875443A CN 112030898 A CN112030898 A CN 112030898A
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China
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fixed
close
flood discharge
discharge function
dam
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CN202010875443.0A
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CN112030898B (en
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钱银龙
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Ningxia Ruili Construction Engineering Co.,Ltd.
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钱银龙
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B7/00Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20Movable barrages; Lock or dry-dock gates
    • E02B7/26Vertical-lift gates
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B7/00Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20Movable barrages; Lock or dry-dock gates
    • E02B7/26Vertical-lift gates
    • E02B7/36Elevating mechanisms for vertical-lift gates
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B8/00Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
    • E02B8/04Valves, slides, or the like; Arrangements therefor; Submerged sluice gates

Abstract

The invention belongs to the technical field of hydraulic engineering, and particularly relates to an overflow dam with a flood discharge function for hydraulic engineering. The invention has novel structure, good drainage performance and good silt discharging effect, can reduce high water level in time and improve flood discharge capacity and speed.

Description

Hydraulic engineering is with overflow dam that has flood discharge function
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to an overflow dam with a flood discharge function for hydraulic engineering.
Background
The overflow dam is a low-rolling dam, a water retaining structure with a lower height, and mainly used for raising the upstream water level and retaining mud and sand. The main principle is that the water level is raised to a certain position, when water rises, redundant water can freely overflow to the downstream, and can also be used as a main part of a water transfer project, water flows into an artificial river along a manually dug river channel after the water level is raised, but the existing rolling dam is built by concrete stone blocks, although the existing rolling dam is firm and incomparable, the water level is raised, meanwhile, the water flowing area is also raised at the flood peak, and the flood discharge speed is reduced; besides the requirement of water taking elevation, the requirement of sand washing is also met. The scale is determined according to factors such as the action, geology, hydrology and the like.
The retrieved Chinese patent No. CN201520216899.0 discloses a rolling dam capable of adjusting flow, which comprises a dam body, a water passing culvert, a gate, an opening and closing handle, a positioning lock rod and a lockset. The dam body is reinforced concrete structure, and the water culvert is laid at the dam body top, and water culvert both sides inner wall and both sides outer wall all are equipped with the gate slot, and the steel construction gate cartridge is respectively in the gate slot of water culvert both sides inner wall and both sides outer wall setting, and the handle of opening and close on accessible gate top is freely pulled out and is inserted, but the device can only have very little regulating action at any during the flood discharge, can not solve the problem of the upstream drainage area grow that leads to because of raising the water level at all again.
Disclosure of Invention
Based on the technical problem that the existing overflow dam raises the water level and reduces the flood discharge speed, the invention provides the overflow dam with the flood discharge function for the hydraulic engineering.
The invention provides an overflow dam with a flood discharge function for hydraulic engineering, which comprises a dam body, wherein the dam body is of a prismatic structure with an inner cavity, a gap is reserved in the middle of the dam body, T-shaped sliding grooves are formed in the opposite sides of the gap, an inserting plate with a flat cuboid structure and an inner cavity is connected between the two T-shaped sliding grooves in a sliding mode, a runner box is embedded in the bottom end of the inserting plate, a same shaft rod is rotatably connected between the two ends of the runner box, first runners distributed at equal intervals are fixed on the outer wall of the middle circumference of the shaft rod, rope winding wheels are sleeved on the outer wall of the shaft rod close to the two ends, non-return teeth are fixed on the outer wall of the shaft rod close to the bottom end, a fixed block is fixed on the inner wall of the inserting plate close to the bottom end, a tension spring is fixed on the lower surface of the fixed block, and a locking structure is fixedly clamped at the bottom end of the, c-shaped steel columns are fixed to the top ends, close to the two T-shaped sliding grooves, of the top end of the dam body, and a same top plate is fixed between the top ends of the two C-shaped steel columns.
As a preferable scheme in the invention, the locking structure comprises a V-shaped abutting rod, a movable shaft and an extension spring clamped at the end part of the movable shaft, the end part of the movable shaft is fixed at the end part of the runner box, and the middle part of the V-shaped abutting rod is provided with a shaft hole matched with the movable shaft.
As a preferable scheme in the invention, a lifting lug is fixed at one end, close to the non-return tooth, of the upper surface of the V-shaped abutting rod, and a string is fixed in the lifting lug.
According to the preferable scheme, a beam supporting plate is fixed on one side, close to the downstream, of the top end of the dam body, a limiting barrel with a cylindrical structure and a cavity is clamped in the middle of the beam supporting plate, and a limiting column is rotatably connected inside the limiting barrel.
As a preferable scheme in the invention, the middle of the limiting column is provided with a jack, a ball screw is inserted in the jack, a sleeve plate matched with the ball screw is fixed on the side surface of the inserting plate close to the bottom end, and self-locking nuts matched with the outer wall threads of the ball screw are respectively embedded at the top end and the bottom end of the limiting barrel.
According to the preferable scheme, the top end and the bottom end of the limiting column are embedded with balls distributed at equal intervals near the circumferential edge, and the circumferential outer wall of the ball screw is provided with a jack near the top end.
As a preferable scheme in the invention, the bottom of the dam body is provided with a wane close to the water outlet position, and the arc-shaped surface of the wane is provided with an arc-shaped groove.
According to the preferable scheme, the transmission shaft is rotatably connected in the arc-shaped groove, the second rotating wheels which are distributed at equal intervals are fixed on the outer circumferential wall of the transmission shaft, the driving belt pulleys are fixed at two ends of the transmission shaft, and the conveying belts are connected in the wheel grooves of the driving belt pulleys in a sleeved mode.
As a preferable scheme in the invention, transmission boxes are fixed on two sides of the upstream of the dam body close to the bottom gap, transmission rods are rotatably connected to the inner parts of the transmission boxes close to the end parts, and driven pulleys matched with the driving pulleys are fixed on the circumferential outer walls of the transmission rods close to the inner middle parts of the transmission boxes.
As a preferable scheme in the invention, the circumferential outer wall of the transmission rod is alternately fixed with water beating plates and spiral plates.
The beneficial effects of the invention are as follows:
1. this kind of hydraulic engineering is with overflow dam that has flood discharge function, through the lifting rope that coils at axostylus axostyle both ends that sets up, thereby can be when using, when the upstream water level explodes when the flood peak period arrives, only need slowly to carry the picture peg can carry out thorough release to the water that the overflow dam was blocked, the rivers impact of bottom when carrying the picture peg to the runner one, can lead to the rope reel to begin the serving rope this moment, and then provide a lift to picture peg itself, make the promotion of picture peg more laborsaving.
2. This kind of hydraulic engineering is with overflow dam that has flood discharge function, through the ball screw that sets up and fix the lagging at picture peg outer wall and ball screw looks adaptation, and can need when lifting the picture peg along T shape spout when using, only need peg graft in the jack again revolve twist can, can slowly lift the picture peg this moment, cooperate two auto-lock nut's setting, can in time lock the high position.
3. This kind of hydraulic engineering is with overflow dam that has flood discharge function through setting up clapper and the spiral plate at the transfer line outer wall, can be when the transfer line pivoted when using can be on one side will be close to the silt of dam body root siltation and transfer to slowly move silt to breach department, so that discharge it from breach department.
The part not involved in the device is the same as the prior art or can be realized by the prior art, and the device has the advantages of novel structure, good drainage smoothness, good silt discharging effect, capability of reducing high water level in time and improvement of flood discharge capacity and speed.
Drawings
Fig. 1 is a schematic cross-sectional view of an overflow dam with flood discharge function for hydraulic engineering according to the present invention;
fig. 2 is a schematic structural diagram of a side view of a locking mechanism of an overflow dam with a flood discharge function for hydraulic engineering according to the present invention;
fig. 3 is a schematic perspective view of a locking mechanism of an overflow dam with flood discharge function for hydraulic engineering according to the present invention;
fig. 4 is a schematic side view of a flood discharge overflow dam for hydraulic engineering according to the present invention;
fig. 5 is an enlarged schematic structural view of a portion a of fig. 1 of an overflow dam with a flood discharge function for hydraulic engineering according to the present invention.
In the figure: the device comprises a dam body 1, a ball screw rod 2, a cross beam supporting plate 3, a limiting barrel 4, a limiting column 401, balls 402, a self-locking nut 403, a jack 5, a plug hole 6, a plug board 7C-shaped steel column, a lifting rope 8, a top board 9, a transmission rod 10, a water beating plate 11, a transmission box 12, a first rotating wheel 13, a shaft lever 14, a non-return tooth 1401, a T-shaped sliding groove 15, a rotating wheel box 16, a warping plate 17, a second rotating wheel 18, an arc-shaped groove 19, a transmission shaft 20, a sleeve plate 21, a locking mechanism 22, a 2201 extension spring 23, a fixed block and a spiral plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-5, an overflow dam with flood discharge function for hydraulic engineering comprises a dam body 1, wherein the dam body 1 is of a prismatic structure with a cavity arranged therein, a gap is reserved in the middle of the dam body 1, T-shaped sliding grooves 15 are formed in one side opposite to the gap, an inserting plate 6 with a flat cuboid structure and a cavity arranged therein is connected between the two T-shaped sliding grooves 15 in a sliding manner, a runner box 16 is embedded in the bottom end of the inserting plate 6, a same shaft lever 14 is rotatably connected between the two ends of the runner box 16, first runners 13 distributed at equal intervals are fixed on the outer wall of the middle circumference of the shaft lever 14, rope pulleys are sleeved on the outer wall of the periphery of the shaft lever 14 close to the two ends, lifting ropes 8 are fixed on the outer wall of the rope pulleys, non-return teeth 1401 are fixed on the outer wall of the circumference of the shaft lever 14 close to the two ends, fixed blocks 23 are fixed on the inner wall of the inserting plate 6, and the bottom end of extension spring 2201 is fixed with locking structure 22, the top of dam body 1 is close to the top of two T-shaped chutes 15 and all is fixed with C shaped steel stand 7, and be fixed with same root roof 9 between the top of two C shaped steel stands 7, thereby can be when using, when the water level of upper reaches was full when the flood peak period arrived, only need slowly to carry picture peg 6 and can thoroughly release the water that the overflow dam was stopped, the rivers impact on runner 13 when carrying picture peg 6, can lead to the rope sheave to begin the serving rope this moment, and then provide a lift to picture peg 6 itself, make the promotion of picture peg 6 more laborsaving.
In the invention, the locking structure comprises a V-shaped abutting rod, a movable shaft and an extension spring 2201 clamped at the end part of the movable shaft, the end part of the movable shaft is fixed at the end part of the runner box 16, and the middle part of the V-shaped abutting rod is provided with a shaft hole matched with the movable shaft, so that the shaft rod 14 is prevented from rotating under the action of gravity of the inserting plate 6 when in use, and the stability of the device is improved.
A lifting lug is fixed at one end, close to the non-return tooth 1401, of the upper surface of the V-shaped abutting rod, and a thin rope is fixed in the lifting lug and used for pulling the V-shaped abutting rod to enable the V-shaped abutting rod to be rapidly disengaged from the non-return tooth 1401 when not needed, so that the inserting plate 6 is smoothly descended.
Wherein, one side that the top of dam body 1 is close to the low reaches is fixed with crossbeam layer board 3, and the centre joint of crossbeam layer board 3 is equipped with and establishes the spacing bucket 4 that the cavity is cylindrical structure in, and the inside of spacing bucket 4 rotates and is connected with spacing post 401.
Wherein, the middle of spacing post 401 is opened there is the jack, and the plug-in connection has ball screw 2 in the jack, and the side of picture peg 6 is close to the bottom and is fixed with the lagging 21 with ball screw 2 looks adaptation, and the top and the bottom of spacing bucket 4 are inlayed respectively and are equipped with the self-locking nut 403 with ball screw 2 outer wall screw thread looks adaptation.
Wherein, the top and the bottom of spacing post 401 are close to circumference edge and all inlay the ball that is equipped with the equidistance and distributes, and ball screw 2's circumference outer wall is close to the top and opens there is the jack to when can need lifting picture peg 6 along T shape spout 15 when using, only need with the stick peg graft in the jack again revolve twist can, can slowly lift picture peg 6 this moment, cooperate two auto-lock nut 403's setting, can in time lock the high position.
The working principle is as follows: when the inserting plate 6 needs to be lifted up along the T-shaped sliding groove 15 in use, only a small rod is inserted into the inserting hole and then screwed, at the moment, the inserting plate 6 can be slowly lifted up, and the height position can be timely locked by matching the arrangement of the two self-locking nuts 403; when the inserting plate 6 is lifted up, the bottom water flow impacts the first rotating wheel 13, the rope winding wheel starts to wind the rope, and then a lifting force is provided for the inserting plate 6, so that the inserting plate 6 is lifted more labor-saving.
Example 2
Referring to fig. 1, in the embodiment, compared with embodiment 1, the overflow dam with a flood discharge function for hydraulic engineering further includes a warping plate 17 disposed at a position, close to the water outlet, of the bottom of the dam body 1, and an arc-shaped groove 19 is formed in an arc-shaped surface of the warping plate 17.
Wherein, the arc groove 19 internal rotation is connected with the transmission shaft 20, and the circumference outer wall of transmission shaft 20 is fixed with the runner two 18 of equidistance distribution, and the both ends of transmission shaft 20 are fixed with the driving pulley, and the pulley inslot of driving pulley is cup jointed the conveyer belt.
Wherein, both sides that the upper reaches of dam body 1 are close to the bottom breach all are fixed with transmission case 12, and the inside of transmission case 12 is close to the tip and all rotates and be connected with transfer line 10, and the circumference outer wall of transfer line 10 is fixed with the driven pulley of the mutual adaptation of driving pulley near the inside centre of transmission case 12 to the huge impact force of rivers can be with the continuous rotation of kinetic energy conversion transfer line 10 when using when draining.
Wherein, the circumferential outer wall of the transmission rod 10 is alternately fixed with the water clapper 11 and the spiral plate 24, so that when the transmission rod 10 rotates in use, the sludge deposited near the root of the dam body 1 can be mobilized, and the sludge slowly moves to the gap so as to be discharged from the gap.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The overflow dam with the flood discharge function for the hydraulic engineering comprises a dam body (1), wherein the dam body (1) is of a prismatic structure with a cavity in the interior, a notch is reserved in the middle of the dam body (1), T-shaped sliding grooves (15) are formed in one side, opposite to the notch, two T-shaped sliding grooves (15) are connected between the two T-shaped sliding grooves in a sliding mode, an inserting plate (6) with a flat cuboid structure with the cavity in the interior is connected between the two T-shaped sliding grooves (15), a runner box (16) is embedded at the bottom end of the inserting plate (6), the overflow dam is characterized in that the same shaft rod (14) is connected between the two ends of the runner box (16) in a rotating mode, runner I (13) distributed at equal intervals are fixed to the outer wall of the middle of the shaft rod (14), rope winding wheels are sleeved on the outer walls of the periphery of the shaft rod (14) close to the two ends, lifting ropes (8) are fixed to the, the inner wall of picture peg (6) is close to the bottom mounting and has fixed block (23), and the lower fixed surface of fixed block (23) has extension spring (2201), and the bottom mounting joint of extension spring (2201) has locking structure (22), the top of the dam body (1) top that is close to two T shape spouts (15) all is fixed with C shaped steel stand (7), and is fixed with same roof (9) between the top of two C shaped steel stands (7).
2. The overflow dam with the flood discharge function for the water conservancy project according to claim 1, wherein the locking structure comprises a V-shaped supporting rod, a movable shaft and a tension spring (2201) clamped at the end part of the movable shaft, the end part of the movable shaft is fixed at the end part of the runner box (16), and the middle part of the V-shaped supporting rod is provided with a shaft hole matched with the movable shaft.
3. The overflow dam with the flood discharge function for the water conservancy project according to claim 2, wherein a lifting lug is fixed at one end, close to the non-return tooth (1401), of the upper surface of the V-shaped abutting rod, and a string is fixed in the lifting lug.
4. The overflow dam with the flood discharge function for the water conservancy project according to claim 1, characterized in that a beam supporting plate (3) is fixed to one side of the top end of the dam body (1) close to the downstream, a limiting barrel (4) with a cylindrical structure and a cavity inside is clamped in the middle of the beam supporting plate (3), and a limiting column (401) is rotatably connected to the inside of the limiting barrel (4).
5. The overflow dam with the flood discharge function for the water conservancy project according to claim 4, wherein a jack is formed in the middle of the limiting column (401), a ball screw (2) is inserted into the jack, a sleeve plate (21) matched with the ball screw (2) is fixed to the side face, close to the bottom end, of the inserting plate (6), and a self-locking nut (403) matched with threads on the outer wall of the ball screw (2) is embedded in the top end and the bottom end of the limiting barrel (4) respectively.
6. The overflow dam with the flood discharge function for the water conservancy project according to claim 5, wherein balls distributed equidistantly are embedded at the top end and the bottom end of the limiting column (401) close to the circumferential edge, and the outer circumferential wall of the ball screw (2) close to the top end is provided with a jack.
7. The overflow dam with the flood discharge function for the water conservancy project according to claim 1, wherein a warping plate (17) is arranged at the bottom of the dam body (1) close to the water outlet position, and an arc-shaped groove (19) is formed in the arc-shaped surface of the warping plate (17).
8. The overflow dam with the flood discharge function for the water conservancy project according to claim 7, wherein a transmission shaft (20) is rotatably connected in the arc-shaped groove (19), the second rotating wheels (18) which are distributed at equal intervals are fixed on the outer circumferential wall of the transmission shaft (20), the two ends of the transmission shaft (20) are respectively fixed with a driving belt pulley, and a conveyor belt is sleeved in the groove of the driving belt pulley.
9. The overflow dam with the flood discharge function for the water conservancy project according to claim 8, wherein transmission boxes (12) are fixed on two sides of the upstream of the dam body (1) close to the bottom notch, transmission rods (10) are rotatably connected to the inner parts of the transmission boxes (12) close to the end parts, and driven pulleys matched with the driving pulleys are fixed on the circumferential outer walls of the transmission rods (10) close to the inner middle parts of the transmission boxes (12).
10. The overflow dam with flood discharge function for hydraulic engineering according to claim 9, wherein the circumferential outer wall of the driving rod (10) is alternately fixed with water beating plates (11) and spiral plates (24).
CN202010875443.0A 2020-08-27 2020-08-27 Hydraulic engineering is with overflow dam that has flood discharge function Active CN112030898B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113511735A (en) * 2021-05-11 2021-10-19 张明媛 Sewage treatment aeration tank drainage structure with self-cleaning function

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8651767B1 (en) * 2009-07-31 2014-02-18 Tom Happel Rotatable wheel box service panel door and equalizer
CN204608713U (en) * 2015-04-13 2015-09-02 辽宁省水利水电科学研究院 A kind of overflow dam of regulating flow quantity
CN206267111U (en) * 2016-12-23 2017-06-20 陈新 Hydraulic engineering river course gate
CN208023517U (en) * 2018-03-17 2018-10-30 岳现美 A kind of energy saving gate installation structure of water conservancy construction construction
CN209816799U (en) * 2019-01-25 2019-12-20 黄河科技学院 Sluice control device for hydraulic engineering

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8651767B1 (en) * 2009-07-31 2014-02-18 Tom Happel Rotatable wheel box service panel door and equalizer
CN204608713U (en) * 2015-04-13 2015-09-02 辽宁省水利水电科学研究院 A kind of overflow dam of regulating flow quantity
CN206267111U (en) * 2016-12-23 2017-06-20 陈新 Hydraulic engineering river course gate
CN208023517U (en) * 2018-03-17 2018-10-30 岳现美 A kind of energy saving gate installation structure of water conservancy construction construction
CN209816799U (en) * 2019-01-25 2019-12-20 黄河科技学院 Sluice control device for hydraulic engineering

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113511735A (en) * 2021-05-11 2021-10-19 张明媛 Sewage treatment aeration tank drainage structure with self-cleaning function
CN113511735B (en) * 2021-05-11 2022-12-20 河北诚乾环保工程有限公司 Sewage treatment aeration tank drainage structure with self-cleaning function

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