CN111877255A - Erosion prevention protection device for river channel corners - Google Patents
Erosion prevention protection device for river channel corners Download PDFInfo
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- CN111877255A CN111877255A CN202010577985.XA CN202010577985A CN111877255A CN 111877255 A CN111877255 A CN 111877255A CN 202010577985 A CN202010577985 A CN 202010577985A CN 111877255 A CN111877255 A CN 111877255A
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- river channel
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- sliding bearing
- river
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- 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
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- 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
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Revetment (AREA)
Abstract
The invention belongs to the technical field of hydraulic engineering, and particularly relates to an anti-erosion protection device for a river channel corner, aiming at solving the problem that potential hidden dangers caused by unpredictable flood impact force cannot be fundamentally solved by the conventional flood control means for processing the river channel corner. The invention can not only prevent the river channel from being eroded by the large water, but also prevent the river channel from silting by changing the runoff.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to an anti-corrosion protection device for a river channel corner.
Background
In the aspect of river bank construction in the water conservancy field, when a river turns, the river bank at the turning section is the section which is most seriously scoured by the river. When the turning section of the river appears in an urban area or a village, once natural disasters such as rainwater burst and the like occur, the water quantity of the river is increased sharply, the river can easily overflow the river bank, and the life and property of river-facing residents are threatened.
The retrieved Chinese patent No. CN201821643688.5 discloses a flood control river bank structure at a river course corner, wherein a flood control reinforcing structure is embedded in the river bank at the river course corner in advance when the river bank is built, the flood control reinforcing structure comprises at least two metal anchoring connecting rods deeply embedded in the river bank, one ends of the metal anchoring connecting rods are welded and fixed with a water baffle embedded on the inclined upstream surface of the river bank, the other ends of the metal anchoring connecting rods are provided with metal fixing rings, the river bank is provided with vertical holes communicated with each metal fixing ring, and after the anchoring rods are inserted into the vertical holes, the bottoms of the anchoring rods penetrate through the metal fixing rings; however, when the device is used, only one water retaining plate is erected at the high position of the river bank, the requirement on the resistance of the supporting plate is high, various sundries are mixed in the device when real flood comes, the impact force on the water retaining plate comes from all directions, and the water retaining dam is easily broken down due to the huge impact force, so that a novel protection device capable of rapidly separating the flood coming from the upstream in time is needed.
Disclosure of Invention
The invention provides an anti-erosion protection device for a river corner, which is based on the technical problem that potential hidden dangers caused by unpredictable flood impact force cannot be fundamentally solved by the conventional flood prevention treatment means for the river corner.
The invention provides an anti-erosion protection device at a river channel corner, which comprises a concave bank side and a convex bank side, wherein the concave bank side and the convex bank side are both formed by pouring reinforced concrete, the concave bank side comprises a vertical section, an arc-shaped section and an anti-scouring section, the arc-shaped section and the river bottom of the vertical section which are close to the concave bank side are respectively paved with a cement bottom, the middle part of one side of the vertical section far away from the river channel is fixedly provided with an adjusting box which is internally provided with a cavity and has a cuboid structure, the back surface of the adjusting box is fixedly provided with an outer box with an opening facing the adjusting box, the inner part of the outer box is connected with a sliding bearing seat in a sliding way, the sliding bearing seat and the middle part of the vertical section are respectively clamped with sliding bearings which are coaxially distributed, a same ejector rod is connected between the two sliding bearings in a sliding way, one end of the circumferential outer wall of the ejector rod, which is close to the vertical, the vertical section is hinged with a variable water retaining plate close to the upstream end, and a positioning pin is fixed on one side of the sliding bearing seat close to the annular retainer ring close to the edge.
As a preferable scheme of the invention, crushing teeth which are distributed equidistantly are fixed on one side of the variable water retaining plate, which is close to the river channel.
As a preferable scheme in the invention, two hidden grooves which traverse the river channel are formed at the bottom of the cement bottom, and transverse water conveying pipes which are upwards opened and are in a U-shaped structure are arranged in the two hidden grooves.
Preferably, an inclined surface is formed at one end, close to the variable water retaining plate, of the ejector rod, a fixing support is fixed on the inclined surface through a bolt, a roller groove is formed in one side, close to the variable water retaining plate, of the fixing support, and a roller is rotatably connected in the roller groove.
As a preferable scheme in the invention, the inner wall of the outer box is provided with two mutually symmetrical guide grooves, and the outer wall of the sliding bearing seat is reserved with a guide block matched with the guide grooves.
As a preferable scheme in the invention, a support plate is fixed on the back surface of the outer box close to the edge, a servo motor is fixed on the surface of the support plate, a transmission screw rod is fixed at the top end of an output shaft of the servo motor, and a screw hole matched with the transmission screw rod is formed in the sliding bearing seat.
As a preferable scheme in the invention, a support column is fixed on one side of the sliding bearing seat close to the vertical section, an installation rod is fixed on one end of the support column far away from the sliding bearing seat, and a generator is fixed on the surface of the installation rod.
Preferably, a flywheel is fixed at the end of the output shaft of the generator, and a connecting rod is rotatably connected to the circumferential edge of the flywheel.
As the preferable scheme in the invention, an L-shaped transmission rod is fixed at one end of the outer wall of the ejector rod, which is far away from the variable water baffle plate, the L-shaped transmission rod comprises a cross rod and a vertical rod, and the end part of the connecting rod is hinged at the end part of the vertical rod.
The beneficial effects of the invention are as follows:
1. this kind of river course corner anti-erosion protector rotates the variable water board of connecting at concave bank limit through setting up, can come temporarily when the flood when using, promotes sliding bearing seat to the opening part of outer container to slowly release the vertical section with the tip of ejector pin, and then will paste variable water board on vertical section and promote to keeping away from bank limit department, with the rivers production a refraction back reposition of redundant personnel and down with direct current, reduced the direct impact to concave bank limit.
2. This kind of river course corner anti-erosion protector, through the broken tooth that sets up, when following current and the bold object down collided broken tooth, the powerful kinetic energy of production was followed the sword mouth form edges and corners on broken tooth surface, and the increase pressure each other can be to a certain extent with the bold object breakage, reduces the later stage and continues the harm that the striking probably produced bridge or bank.
3. This kind of river course corner erosion prevention protector, through the horizontal raceway that sets up, can be when using, when variable water blocking plate is when receiving the impact of rivers, cooperation compression spring's effect, swing that can be continuous, and then the water pressure that produces can be discharged from the opposite bank delivery port in river course through horizontal raceway, and then mix the silt of protruding bank siltation, the cleanness at the bottom of a river in river course has been guaranteed, the cross-sectional area of bend department keeps unchangeably having guaranteed the water yield.
4. This kind of river course corner anti-erosion protector, through the flywheel of the L shape transfer line that sets up and generator output shaft end, can be when using, when the running water of impact constantly hits the variable water blocking board, can turn into the round trip of L shape transfer line with the energy of high frequency jitter and collect together, and then turn into the electric energy with it through the flywheel.
The part not involved in the device is the same as the prior art or can be realized by the prior art, the invention has novel structure, not only can prevent the river channel from being eroded by the large water, but also can prevent the river channel from silting by changing the runoff.
Drawings
Fig. 1 is a schematic cross-sectional structural view of an erosion prevention device for a river corner according to the present invention;
fig. 2 is a schematic view of an overall structure of an anti-erosion protection device for a river corner according to the present invention;
fig. 3 is a schematic view of an internal three-dimensional structure of an anti-erosion protection device at a corner of a river channel according to the present invention;
FIG. 4 is a schematic view of a half-section three-dimensional structure of an adjusting box of an anti-erosion protection device at a corner of a river channel, according to the present invention;
fig. 5 is an enlarged structural schematic view of a position a in fig. 1 of the erosion prevention device for a river corner according to the present invention.
In the figure: 1 concave shoreside, 101 cement bottom, 102 vertical section, 103 arc section, 2 convex shoreside, 3 transverse water conveying pipe, 4 rollers, 5 crushing teeth, 6 shaft rod, 7 annular retainer ring, 8 compression spring, 9 sliding bearing seat, 10 transmission screw rod, 11 outer box, 1101 guide groove, 12 servo motor, 13 carrier plate, 14 ejector rod, 15L type transmission rod, 1501 vertical rod, 16 generator, 17 connecting rod, 18 flywheel, 19 adjusting box, 20 fixing support, 2001 roller groove, 21 variable water baffle plate, 22 mounting rod, 2201 support column, 23 mounting gap, 24 rectangular hole and 25 positioning pin.
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 anti-erosion protection device for a river channel corner comprises a concave bank 1 and a convex bank 2, wherein the concave bank 1 and the convex bank 2 are both formed by pouring reinforced concrete, the concave bank 1 comprises a vertical section 102, an arc section 103 and an erosion prevention section, a cement bottom 101 is laid at the river bottom of the arc section and the vertical section close to the concave bank 1, an adjusting box 19 with a cavity in a cuboid structure is fixed at the middle part of one side of the vertical section 102 far away from the river channel, an outer box 11 with an opening facing the adjusting box 19 is fixed at the back of the adjusting box 19, a sliding bearing seat 9 is connected inside the outer box 11 in a sliding manner, sliding bearings with coaxial distribution are respectively clamped at the middle parts of the sliding bearing seat 9 and the vertical section 102, a same ejector rod 14 is connected between the two sliding bearings in a sliding manner, an annular retainer ring 7 is fixed at one end of the circumferential outer wall of the ejector rod 14 close to the vertical section 102, and a compression spring 8 is arranged between the side surface of the annular, vertical section 102 is close to the articulated variable water board 21 that has of upstream end, and one side that sliding bearing seat 9 is close to annular retaining ring 7 is close to the edge and is fixed with locating pin 25, thereby can come temporarily when the flood when using, promote the sliding bearing seat to the opening part of outer container 11, slowly release vertical section 102 with the tip of ejector pin 14, and then will paste variable water board 21 on vertical section 102 and promote to keeping away from bank department, again flow and down after producing a refraction with the rivers under and, reduced the direct impact to the concave bank.
According to the invention, the crushing teeth 5 which are distributed equidistantly are fixed on one side of the variable water retaining plate 21 close to the river channel, when large objects flowing down along the river impact the crushing teeth 5, the generated strong kinetic energy is accompanied by the knife-edge-shaped edges and corners on the surface of the crushing teeth 5, the pressure between the large objects is increased, the large objects can be crushed to a certain extent, and the harm to the bridge or the bank caused by the continuous impact in the later period is reduced.
Wherein, open the bottom at the cement bottom 101 has two camera gutters that traverse the river course, and all be provided with the horizontal raceway 3 that the opening upwards is the U-shaped structure in two camera gutters, thereby can be when using, when variable water blocking plate 21 is receiving the impact of rivers, cooperation compression spring 8's effect, swing constantly, and then the water pressure that produces can discharge from the opposite bank delivery port of river course through horizontal raceway 3, and then stir the silt of 2 river bank silts on convex bank limit, the cleanness at the river bottom in river course has been guaranteed, the cross-sectional area of bend department keeps unchangeably having guaranteed the water yield.
Wherein, the end of the top rod 14 close to the variable water-stop plate 21 is provided with an inclined surface, the inclined surface is fixed with a fixing support 20 through a bolt, one side of the fixing support 20 close to the variable water-stop plate 21 is provided with a roller groove 2001, and the roller groove 2001 is rotatably connected with a roller 4.
Wherein, the inner wall of the outer box 11 is provided with two symmetrical guide grooves 1101, and the outer wall of the sliding bearing seat 9 is reserved with a guide block matched with the guide grooves 1101.
Wherein, a carrier plate 13 is fixed on the back of the outer box 11 near the edge, a servo motor 12 is fixed on the surface of the carrier plate 13, a transmission screw 10 is fixed on the top end of the output shaft of the servo motor 12, and a screw hole matched with the transmission screw 10 is opened on the sliding bearing seat 9.
Wherein, a supporting column 2201 is fixed on one side of the sliding bearing seat 9 close to the vertical section 102, and an installation rod 22 is fixed on one end of the supporting column 2201 far away from the sliding bearing seat 9, and a generator 16 is fixed on the surface of the installation rod 22.
Wherein, the end of the output shaft of the generator 16 is fixed with a flywheel 18, and the circumferential edge of the flywheel 18 is rotatably connected with a connecting rod 17.
Wherein, the one end that the outer wall of ejector pin 14 is kept away from variable water board 21 is fixed with L type transfer line 15, and L type transfer line 15 includes horizontal pole and vertical pole 1501, and the tip of connecting rod 17 articulates the tip at vertical pole 1501 to can be when using, when the running water of impact constantly hits variable water board 21, can turn into the reciprocating twitch of L shape transfer line 15 with the energy of high frequency shake, and then change it into the electric energy through flywheel 18.
The working principle is as follows: when the flood comes in use, the servo motor 12 is started to drive the transmission screw rod 10 to rotate, and then the sliding bearing seat 9 is slowly pushed to the opening of the outer box 11, so that the end part of the ejector rod 14 is slowly pushed out of the plane of the vertical section 102, and the variable water retaining plate 21 attached to the surface of the vertical section 102 is further pushed to a position far away from the bank; then control sliding bearing seat 9 edge locating pin 25 again and start, decide sliding bearing seat 9 at the opening part of outer box 11, prevent sliding bearing seat 9 atress back slip, variable water baffle 21 can produce a refraction back reposition of redundant personnel and down to direct current and the rivers down this moment, has reduced the direct impact to the concave bank limit.
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 (9)
1. The utility model provides a river course corner erosion prevention protector, includes concave bank limit (1) and convex bank limit (2), concave bank limit (1) and convex bank limit (2) all are formed with reinforced concrete pouring, and concave bank limit (1) includes vertical section (102), segmental arc (103) and scour protection section, and is close to the segmental arc of concave bank limit (1) and the river bottom of vertical section all has laid cement bottom (101), its characterized in that, one side middle part that the river course was kept away from to vertical section (102) is fixed with and establishes the regulating box (19) that the cavity is the cuboid structure, and the back of regulating box (19) is fixed with outer container (11) that the opening is towards regulating box (19), the inside sliding connection of outer container (11) has sliding bearing frame (9), and sliding bearing frame (9) and the middle part of vertical section (102) joint respectively have the slide bearing of coaxial distribution, two sliding bearing has same ejector pin (14) between the sliding connection, the one end that the circumference outer wall of ejector pin (14) is close to vertical section (102) is fixed with annular retaining ring (7), and is provided with compression spring (8) between the side of annular retaining ring (7) and sliding bearing seat (9), vertical section (102) are close to the upstream end and articulate there is variable water board (21), one side that sliding bearing seat (9) are close to annular retaining ring (7) is close to the edge and is fixed with locating pin (25).
2. The erosion protection device for river channel corners in claim 1 is characterized in that the variable water baffle (21) is fixed with crushing teeth (5) distributed at equal distance on one side close to the river channel.
3. The erosion prevention device for the river channel corners as claimed in claim 1, wherein the bottom of the cement bottom (101) is provided with two hidden grooves crossing the river channel, and the two hidden grooves are provided with the horizontal water pipes (3) which are opened upwards and are in U-shaped structures.
4. The erosion protection device for the corner of the river channel according to claim 1, wherein one end of the top rod (14) close to the variable water retaining plate (21) is provided with an inclined surface, a fixing bracket (20) is fixed on the inclined surface through a bolt, one side of the fixing bracket (20) close to the variable water retaining plate (21) is provided with a roller groove (2001), and a roller (4) is rotatably connected in the roller groove (2001).
5. The erosion prevention device for the corner of the river channel according to claim 1, wherein the inner wall of the outer box (11) is provided with two symmetrical guide grooves (1101), and the outer wall of the sliding bearing seat (9) is reserved with guide blocks matched with the guide grooves (1101).
6. The erosion prevention device for the corner of the river channel according to claim 5, wherein a carrier plate (13) is fixed on the back surface of the outer box (11) near the edge, a servo motor (12) is fixed on the surface of the carrier plate (13), a transmission screw (10) is fixed at the top end of an output shaft of the servo motor (12), and a screw hole matched with the transmission screw (10) is formed in the sliding bearing seat (9).
7. The erosion protection device for the corner of the river channel according to claim 1, wherein a support column (2201) is fixed to one side of the sliding bearing seat (9) close to the vertical section (102), a mounting rod (22) is fixed to one end of the support column (2201) far away from the sliding bearing seat (9), and a generator (16) is fixed to the surface of the mounting rod (22).
8. The river channel corner erosion prevention device as claimed in claim 7, wherein a flywheel (18) is fixed at the end of the output shaft of the generator (16), and a connecting rod (17) is rotatably connected to the circumferential edge of the flywheel (18).
9. The erosion protection device for the river channel corner is characterized in that an L-shaped transmission rod (15) is fixed to one end, away from the variable water retaining plate (21), of the outer wall of the ejector rod (14), the L-shaped transmission rod (15) comprises a cross rod and a vertical rod (1501), and the end of the connecting rod (17) is hinged to the end of the vertical rod (1501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577985.XA CN111877255B (en) | 2020-06-23 | 2020-06-23 | Erosion prevention protection device for river channel corners |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577985.XA CN111877255B (en) | 2020-06-23 | 2020-06-23 | Erosion prevention protection device for river channel corners |
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| CN111877255A true CN111877255A (en) | 2020-11-03 |
| CN111877255B CN111877255B (en) | 2022-05-06 |
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| CN202010577985.XA Active CN111877255B (en) | 2020-06-23 | 2020-06-23 | Erosion prevention protection device for river channel corners |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900360A (en) * | 2021-01-18 | 2021-06-04 | 余洋 | River bend bank of a recess protector for hydraulic engineering |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10176316A (en) * | 1996-12-18 | 1998-06-30 | Hiroaki Sugiyama | River structure |
| CN206625200U (en) * | 2017-03-08 | 2017-11-10 | 浙江省水利河口研究院 | A kind of training wall for improving Solution of Flow in Curved Channel fluidised form |
| CN107938593A (en) * | 2017-10-30 | 2018-04-20 | 广西大学 | The breakwater structure of wave-energy power generation is carried out using piezoelectric |
| CN108824364A (en) * | 2018-06-27 | 2018-11-16 | 河海大学 | Prevent and treat the protection structure that river concave bank corrodes |
| CN208685542U (en) * | 2018-08-07 | 2019-04-02 | 樊静 | A kind of slope protection device for protection slope |
| CN208869996U (en) * | 2018-10-11 | 2019-05-17 | 华北水利水电大学 | A kind of flood control river levee structure of river corner |
-
2020
- 2020-06-23 CN CN202010577985.XA patent/CN111877255B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10176316A (en) * | 1996-12-18 | 1998-06-30 | Hiroaki Sugiyama | River structure |
| CN206625200U (en) * | 2017-03-08 | 2017-11-10 | 浙江省水利河口研究院 | A kind of training wall for improving Solution of Flow in Curved Channel fluidised form |
| CN107938593A (en) * | 2017-10-30 | 2018-04-20 | 广西大学 | The breakwater structure of wave-energy power generation is carried out using piezoelectric |
| CN108824364A (en) * | 2018-06-27 | 2018-11-16 | 河海大学 | Prevent and treat the protection structure that river concave bank corrodes |
| CN208685542U (en) * | 2018-08-07 | 2019-04-02 | 樊静 | A kind of slope protection device for protection slope |
| CN208869996U (en) * | 2018-10-11 | 2019-05-17 | 华北水利水电大学 | A kind of flood control river levee structure of river corner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900360A (en) * | 2021-01-18 | 2021-06-04 | 余洋 | River bend bank of a recess protector for hydraulic engineering |
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| CN111877255B (en) | 2022-05-06 |
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Effective date of registration: 20220414 Address after: 266300 west of the middle section of Haier Avenue, Jiaozhou City, Qingdao City, Shandong Province Applicant after: Qingdao Water Construction Group Co.,Ltd. Address before: 475004 School of civil and architectural engineering, Kaifeng University, Tokyo Avenue, Kaifeng City, Henan Province Applicant before: Gu Bin |
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