CN113669188A - Water retaining dam special for hydraulic and hydroelectric engineering - Google Patents

Water retaining dam special for hydraulic and hydroelectric engineering Download PDF

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Publication number
CN113669188A
CN113669188A CN202110884701.6A CN202110884701A CN113669188A CN 113669188 A CN113669188 A CN 113669188A CN 202110884701 A CN202110884701 A CN 202110884701A CN 113669188 A CN113669188 A CN 113669188A
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China
Prior art keywords
groove
water
dam
block
flow
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CN202110884701.6A
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Chinese (zh)
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黄再坚
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Individual
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Individual
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Priority to CN202110884701.6A priority Critical patent/CN113669188A/en
Publication of CN113669188A publication Critical patent/CN113669188A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/08—Machine or engine aggregates in dams or the like; Conduits therefor, e.g. diffusors
    • F03B13/083—The generator rotor being mounted as turbine rotor rim
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/02—Fixed barrages
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
    • E02B9/02—Water-ways
    • E02B9/04—Free-flow canals or flumes; Intakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B1/00—Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on blades or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B1/00—Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on blades or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto
    • F03B1/04—Nozzles; Nozzle-carrying members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/16—Stators
    • F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Hydraulic Turbines (AREA)

Abstract

The invention discloses a water retaining dam special for water conservancy and hydropower engineering, which structurally comprises a dam body, a rotating block and power conversion equipment, wherein the rotating block is arranged at the rear end of the dam body, the power conversion equipment is arranged at the top side end of the dam body, the dam body comprises a baffle plate, a perforation, a guide plate and a guide device, the guide device comprises a water trough, a water guide device, an impact trough and a guide sheet, the water guide device comprises a movable trough, a floating block, a reset spring and a plastic sealing sheet, the floating block comprises a foam block, a hollow trough, a contact plate, a side bending block and a deformation trough, the contact plate comprises a contact body, a cavity, a slow-flow trough and a guide block, an included angle formed between the impact trough and the water trough is set to be a certain degree, the water guide device can float upwards when the river flow speed is low, and guide the water flow to the impact force of the water flow on the rotating block, so that the water flow can be sprayed out from the impact trough, the power generation efficiency of the power conversion equipment is increased.

Description

Water retaining dam special for hydraulic and hydroelectric engineering
Technical Field
The invention relates to the field of hydraulic and hydroelectric engineering, in particular to a water retaining dam special for hydraulic and hydroelectric engineering.
Background
The retaining dam is the water conservancy facility who is used for lifting water level and retaining in the setting in the river course for adjust water level, flood control irrigation and form a great deal of effects such as view of the upper and lower low reaches in the river course, current manger plate all is equipped with the power generation function in to, utilizes hydroelectric power generation not only can resources are saved, still has the characteristics of environmental protection.
Based on the discovery of the inventor, the existing water retaining dam specially used for hydraulic and hydroelectric engineering mainly has the following defects, for example: the power generation equipment is arranged in the retaining dam, the power generation is carried out through the rotation of the water flow impact power generation equipment, and when the water level of a river drops in a drought period, the impact force of the water flow on the power generation equipment is reduced, so that the power generation efficiency of the power generation equipment is reduced.
Disclosure of Invention
Aiming at the problems, the invention provides a water retaining dam special for hydraulic and hydroelectric engineering.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a water retaining dam special for hydraulic and hydroelectric engineering, its structure includes the dam body, rotatory piece, power conversion equipment, the rear end of dam body is equipped with rotatory piece, power conversion equipment installs the top side at the dam body, the dam body includes baffle, perforation, deflector, guiding device, the baffle sets up in the centre of dam body perpendicularly, the perforation is equipped with more than three, and arranges in the terminal surface of baffle perpendicularly, the deflector is connected in fenestrate rear end top, the guiding device is installed in the centre of the bottom of baffle.
Further, guiding device includes water trough, guiding device, strikes groove, water conservancy diversion piece, the water trough transversely runs through in the positive centre of guiding device, guiding device installs in the positive centre of the bottom of water trough, strike the top that the groove slope set up at the water trough, the water conservancy diversion piece inlays the bottom rear end at the impact groove, the contained angle that forms between impact groove and the water trough is 60 degrees.
Further, the water guide device includes activity groove, kicking block, reset spring, plastics gasket, the activity groove sets up in the bottom that leads to the water groove, the kicking block is in the inside in activity groove, reset spring installs the top side at the kicking block, plastics gasket one end is connected in the top of activity groove, and the other end connects in the top right side of kicking block, reset spring and kicking block clearance fit.
Further, the floating block comprises a foam block, an empty groove, a contact plate, side bending blocks and a deformation groove, the right side of the foam block is in an inclined shape, the included angle between the right side of the foam block and the horizontal plane is 120 degrees, the empty groove is provided with two ends which are respectively arranged at the upper end and the lower end of the inside of the foam block, the contact plate is attached to the top of the foam block, the side bending blocks are arranged at the rear ends of the floating block, the deformation groove is provided with two ends which are respectively arranged at the two ends of the bottom of the side bending blocks, and the reset state of the side bending blocks is in a bent shape.
Further, the contact plate includes contact, cavity, unhurried current groove, water conservancy diversion piece, the contact laminating is in the up end of foam piece, the cavity sets up the inside at the contact, unhurried current groove is equipped with more than four, and transverse arrangement is at the up end of contact, the water conservancy diversion piece inlays the rear end at unhurried current groove, and the terminal surface is circular-arcly, the degree of depth in unhurried current groove is by the front end to the rear end grow gradually deeply.
Further, strike the groove and include cell body, guide plate, splitter box, the bottom port of cell body is dwindled by the lower extreme to the upper end gradually, the guide plate block is in the top of cell body, the splitter box is equipped with two, and connects respectively in the rear end of cell body, the width of splitter box is dwindled by the front end to the rear end gradually.
Further, the guide plate includes baffle, pivot, collection groove, concentration groove, the baffle side is equipped with the pivot, the pivot block is in the side of cell body, the collection groove sets up at the inside centre of baffle, the concentration groove is equipped with two, and sets up respectively in the front end both sides of baffle, and communicates with the collection groove mutually, the port in concentration groove is the slope form, and the angle of slope is 30 degrees with the contained angle that the baffle terminal surface formed.
Furthermore, the collecting groove includes jet tank, holds chute, guiding gutter, the port width of jet tank reduces to the inboard by the outside gradually, it is equipped with four to hold the chute, and two liang of range is at the upper and lower both ends of jet tank, the guiding gutter is equipped with two, and is located the side of jet tank respectively, the degree of depth that holds the chute becomes dark gradually by the front end to the rear end.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the included angle formed between the impact groove and the water passing groove is set to be degree, so that the water guide device can float upwards when the river flow rate is low, and the water flow is guided into the impact groove, so that the water flow can be sprayed out from the impact groove, the impact force of the water flow on the rotating block is improved, and the power generation efficiency of the power conversion equipment is improved.
2. According to the invention, the water flow sprayed from bottom to top is guided into the collecting groove by using the collecting groove, so that the flow speed of the water flow is concentrated and increased, the impact force of the water flow on the rotating block is improved, the rotating speed of the rotating block is accelerated, and the power generation efficiency of the power conversion equipment is improved.
Drawings
Fig. 1 is a schematic front view of a dam specially used for water conservancy and hydropower engineering.
FIG. 2 is a schematic diagram of a side view structure of a dam body according to the present invention.
Fig. 3 is a schematic side view of the deflector of the present invention.
Fig. 4 is a schematic side view of the water guide device of the present invention.
FIG. 5 is a side view of the floating block of the present invention.
Fig. 6 is a schematic side view of a contact plate according to the present invention.
FIG. 7 is a side view of the impingement slot of the present invention.
Fig. 8 is a schematic diagram of a side view of a baffle of the present invention.
Fig. 9 is a schematic side view of the collector of the present invention.
In the figure: the dam body 1, the rotating block 2, the power conversion equipment 3, the baffle 11, the perforation 12, the guide plate 13, the flow guide device 14, the water passing groove 141, the water guide device 142, the impact groove 143, the flow guide piece 145, the movable groove a1, the floating block a2, the return spring a3, the plastic sealing piece a4, the foam block a21, the empty groove a22, the contact plate a23, the side bent block c24, the deformation groove c25, the contact body b1, the cavity b2, the slow flow groove b3, the flow guide block b4, the groove body c1, the flow guide plate c2, the diversion groove c3, the flow guide body c21, the rotating shaft c22, the flow collecting groove c23, the concentration groove c24, the injection groove d1, the flow storage groove 2 and the flow guide groove d 3.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The first embodiment is as follows: referring to fig. 1-6, the embodiments of the present invention are as follows:
its structure includes dam body 1, rotatory piece 2, power conversion equipment 3, the rear end of dam body 1 is equipped with rotatory piece 2, power conversion equipment 3 is installed at the top side of dam body 1, dam body 1 includes baffle 11, perforation 12, deflector 13, guiding device 14, baffle 11 sets up in the positive centre of dam body 1 perpendicularly, perforation 12 is equipped with more than three, and arranges in baffle 11's terminal surface perpendicularly, deflector 13 is connected in perforation 12's rear end top, guiding device 14 is installed in the positive centre of the bottom of baffle 11.
The guiding device 14 includes water trough 141, water guide device 142, impact groove 143, water conservancy diversion piece 145, water trough 141 transversely runs through in the centre of guiding device 14, water guide device 142 is installed in the centre of the bottom of water trough 141, impact groove 143 slope sets up the top at water trough 141, water conservancy diversion piece 145 inlays the bottom rear end at impact groove 143, the contained angle that forms between impact groove 143 and the water trough 141 is 60 degrees, is favorable to guiding device 142 up floating when the river velocity of flow is less, leads rivers in impact groove 143, leads rivers.
The water guide device 142 comprises a movable groove a1, a floating block a2, a return spring a3 and a plastic sealing piece a4, the movable groove a1 is arranged at the bottom end of the water passing groove 141, the floating block a2 is clamped inside the movable groove a1, the return spring a3 is arranged at the top side end of the floating block a2, one end of the plastic sealing piece a4 is connected to the top end of the movable groove a1, the other end of the plastic sealing piece a4 is connected to the right side of the top of the floating block a2, the return spring a3 is movably matched with the floating block a2, and the return spring a3 is favorable for returning the floating block a2 to move upwards so as to guide water flow.
The floating block a2 comprises a foam block a21, an empty groove a22, a contact plate a23, a side bending block c24 and a deformation groove c25, the right side of the foam block a21 is inclined, the included angle between the right side and the horizontal plane is 120 degrees, the empty groove a22 is provided with two grooves which are respectively arranged at the upper end and the lower end of the inside of the foam block a21, the contact plate a23 is attached to the top of the foam block a21, the side bending block c24 is arranged at the rear end of the floating block a2, the deformation groove c25 is provided with two grooves which are respectively arranged at the two ends of the bottom of the side bending block c24, and the side bending block c24 is in a reset state, so that the contact area between the side bending block c24 and river water is increased.
Contact plate a23 includes contact b1, cavity b2, slow current groove b3, water conservancy diversion piece b4, contact b1 laminates in foam block a 21's up end, cavity b2 sets up the inside at contact b1, slow current groove b3 is equipped with more than four, and transverse arrangement at the up end of contact b1, water conservancy diversion piece b4 inlays the rear end at slow current groove b3, and the terminal surface is circular-arc, the degree of depth in slow current groove b3 is become progressively by the front end rear end, is favorable to letting rivers flow along the terminal surface of slow current groove 3, can upwards flow when making rivers flow to slow current groove b3 rear end, and the rethread water conservancy diversion piece b4 leads.
Based on the above embodiment, the specific working principle is as follows: when the water level of the river drops in the drought period, the impact force of the water flow on the power generation equipment is reduced, and the power generation efficiency of the power generation equipment is reduced, the included angle formed between the impact groove 143 and the water through groove 141 can be set to be 60 degrees, the water guide device 142 can float upwards when the flow rate of the river is small, the water flow is guided into the impact groove 143, the water flow can be sprayed out from the impact groove 143 to impact the rotating block 2, the rotating speed of the rotating block 2 is accelerated, the return spring a3 is used for returning to assist to drive the floating block a2 to move upwards, the water flow impacting the floating block a2 flows into the impact groove 143, the return state of the side bent block c24 is set to be in a bent state, the contact area between the side bent block c24 and the river can be increased, so that the buoyancy force borne by the floating block a2 is increased, the river flowing upwards in the transverse direction, and finally the water flow flows along the end face of the slow flow groove b3, make rivers can flow upwards when flowing to slow current groove b3 rear end, the rethread water conservancy diversion piece b4 leads, can lead rivers toward strikeing in the groove 143, improves the impact force of rivers to rotatory piece 2, increases power conversion equipment 3's generating efficiency.
Example two: referring to fig. 7-9, the embodiment of the present invention is as follows:
the shock slot 143 includes cell body c1, guide plate c2, splitter box c3, the bottom port of cell body c1 is dwindled by the lower extreme to the upper end gradually, guide plate c2 block in the top of cell body c1, splitter box c3 is equipped with two, and connects respectively in the rear end of cell body c1, splitter box c 3's width is dwindled to the rear end by the front end gradually, is favorable to letting rivers circulate through splitter box c3 for rivers can be erupted from splitter box c 3's positive rear end.
The guide plate c2 includes a guide body c21, a rotating shaft c22, a flow collecting groove c23 and a concentration groove c24, a rotating shaft c22 is arranged at the side end of the guide body c21, the rotating shaft c22 is clamped at the side end of the groove body c1, the flow collecting groove c23 is arranged in the middle of the inside of the guide body c21, two concentration grooves c24 are arranged and are respectively arranged at two sides of the front end of the guide body c21 and are communicated with the flow collecting groove c23, the port of the concentration groove c24 is inclined, an included angle formed by the inclined angle and the end face of the guide body c21 is 30 degrees, the guide of water flow sprayed from bottom to top through the concentration groove c24 to the concentration groove c23 is facilitated, and the impact force of the water flow to the rotary block 2 is enhanced.
Collection chute c23 includes jet groove d1, holds chute d2, guiding gutter d3, jet groove d 1's port width is dwindled by the outside to inboard gradually, it is equipped with four to hold chute d2, and two liang of ranges at the upper and lower both ends of jet groove d1, guiding gutter d3 is equipped with two, and is located jet groove d 1's side respectively, it is deepened gradually to the rear end by the front end to hold the degree of depth in chute d2, is favorable to letting rivers flow along the terminal surface in storage chute d2 for rivers receive the direction meeting of holding chute d2 and concentrate toward the intermediate position impact of jet groove d 1.
Based on the above embodiment, the specific working principle is as follows: utilize the width with splitter box c3 to set up to dwindling gradually by the front end to the rear end, can let the rivers circulation through splitter box c3, make rivers can follow splitter box c3 positive rear end erupt and impact mutually with rotatory piece 2, it is rotatory to drive rotatory piece 2, recycle concentrated groove c24 will follow down to lead in up spun rivers toward collection groove c23, concentrate the acceleration flow rate with rivers, improve rivers to the impact force of rotatory piece 2, let rivers flow along the terminal surface that holds groove d2 at last, make rivers receive the direction that holds groove d2 can concentrate toward the intermediate position impact of jet groove d1, thereby can strengthen the impact force of rivers, accelerate the rotation speed of rotatory piece 2, improve power conversion equipment 3's generating efficiency.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. The utility model provides a water retaining dam special for hydraulic and hydroelectric engineering, its structure includes dam body (1), rotatory piece (2), power conversion equipment (3), the rear end of dam body (1) is equipped with rotatory piece (2), the top side in dam body (1) is installed in power conversion equipment (3), its characterized in that:
dam body (1) includes baffle (11), perforation (12), deflector (13), guiding device (14), baffle (11) set up in the positive centre of dam body (1) perpendicularly, perforation (12) are equipped with more than three, and the vertical alignment is in the terminal surface of baffle (11), deflector (13) are connected in the rear end top of perforation (12), guiding device (14) are installed in the bottom positive centre of baffle (11).
2. The dam special for hydraulic and hydroelectric engineering according to claim 1, characterized in that: the flow guiding device (14) comprises a water passing groove (141), a water guiding device (142), an impact groove (143) and a flow guiding sheet (145), wherein the water passing groove (141) transversely penetrates through the middle of the flow guiding device (14), the water guiding device (142) is installed in the middle of the bottom of the water passing groove (141), the impact groove (143) is obliquely arranged at the top end of the water passing groove (141), and the flow guiding sheet (145) is fixedly embedded at the rear end of the bottom of the impact groove (143).
3. The dam special for hydraulic and hydroelectric engineering according to claim 2, characterized in that: the water guide device (142) comprises a movable groove (a 1), a floating block (a 2), a return spring (a 3) and a plastic sealing piece (a 4), wherein the movable groove (a 1) is arranged at the bottom end of the water passing groove (141), the floating block (a 2) is clamped inside the movable groove (a 1), the return spring (a 3) is arranged at the top side end of the floating block (a 2), one end of the plastic sealing piece (a 4) is connected to the top end of the movable groove (a 1), and the other end of the plastic sealing piece is connected to the right side of the top of the floating block (a 2).
4. A dam specially adapted for hydraulic and hydro-power engineering according to claim 3, wherein: the floating block (a 2) comprises a foam block (a 21), an empty groove (a 22), a contact plate (a 23), a side bending block (c 24) and a deformation groove (c 25), the right side of the foam block (a 21) is inclined, and the included angle between the right side and the horizontal plane is 120 degrees, the empty groove (a 22) is provided with two parts which are respectively arranged at the upper end and the lower end of the inside of the foam block (a 21), the contact plate (a 23) is attached to the top of the foam block (a 21), the side bending block (c 24) is arranged at the rear end of the floating block (a 2), the deformation groove (c 25) is provided with two parts which are respectively arranged at the two ends of the bottom of the side bending block (c 24).
5. A dam specially adapted for hydraulic and hydroelectric engineering according to claim 4, in which: contact plate (a 23) is including contact (b 1), cavity (b 2), slow current groove (b 3), water conservancy diversion piece (b 4), contact (b 1) is laminated in the up end of foam piece (a 21), cavity (b 2) sets up the inside at contact (b 1), slow current groove (b 3) is equipped with more than four, and transverse arrangement is at the up end of contact (b 1), water conservancy diversion piece (b 4) inlays the rear end at slow current groove (b 3), and the terminal surface is circular-arcly.
6. The dam special for hydraulic and hydroelectric engineering according to claim 2, characterized in that: the impact groove (143) comprises a groove body (c 1), a guide plate (c 2) and a splitter groove (c 3), wherein the bottom port of the groove body (c 1) is gradually reduced from the lower end to the upper end, the guide plate (c 2) is clamped at the top end of the groove body (c 1), and the splitter groove (c 3) is provided with two parts which are respectively connected to the rear end of the groove body (c 1).
7. The retaining dam special for hydraulic and hydroelectric engineering according to claim 6, characterized in that: the guide plate (c 2) comprises a guide body (c 21), a rotating shaft (c 22), collecting grooves (c 23) and collecting grooves (c 24), wherein the rotating shaft (c 22) is arranged at the side end of the guide body (c 21), the rotating shaft (c 22) is clamped at the side end of the groove body (c 1), the collecting grooves (c 23) are arranged in the middle of the inside of the guide body (c 21), and the two collecting grooves (c 24) are arranged, are respectively arranged at two sides of the front end of the guide body (c 21), and are communicated with the collecting grooves (c 23).
8. The dam special for hydraulic and hydroelectric engineering according to claim 7, wherein: the flow collecting groove (c 23) comprises an injection groove (d 1), a flow storage groove (d 2) and a flow guide groove (d 3), the width of the port of the injection groove (d 1) is gradually reduced from the outer side to the inner side, the flow storage groove (d 2) is provided with four flow guide grooves, two flow guide grooves are arranged at the upper end and the lower end of the injection groove (d 1), and the flow guide grooves (d 3) are provided with two flow guide grooves which are respectively positioned at the side ends of the injection groove (d 1).
CN202110884701.6A 2021-08-03 2021-08-03 Water retaining dam special for hydraulic and hydroelectric engineering Withdrawn CN113669188A (en)

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Application Number Priority Date Filing Date Title
CN202110884701.6A CN113669188A (en) 2021-08-03 2021-08-03 Water retaining dam special for hydraulic and hydroelectric engineering

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Application Number Priority Date Filing Date Title
CN202110884701.6A CN113669188A (en) 2021-08-03 2021-08-03 Water retaining dam special for hydraulic and hydroelectric engineering

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CN113669188A true CN113669188A (en) 2021-11-19

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CN202110884701.6A Withdrawn CN113669188A (en) 2021-08-03 2021-08-03 Water retaining dam special for hydraulic and hydroelectric engineering

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115075187A (en) * 2022-06-21 2022-09-20 山东良成环保科技股份有限公司 Modular reservoir inlet water retaining system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115075187A (en) * 2022-06-21 2022-09-20 山东良成环保科技股份有限公司 Modular reservoir inlet water retaining system
CN115075187B (en) * 2022-06-21 2024-03-08 山东良成环保科技股份有限公司 Modular ground storehouse entry water retaining system

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Application publication date: 20211119