阅读说明：本技术 一种河道转角处防侵蚀防护装置 (Erosion prevention protection device for river channel corners ) 是由 顾斌 于 2020-06-23 设计创作，主要内容包括：本发明属于水利工程技术领域,尤其是一种河道转角处防侵蚀防护装置,针对现有的河道弯角处处理防汛手段不能从根本上解决无法预测的洪水冲击力带来的潜在隐患的问题,现提出以下方案,包括凹岸边和凸岸边,所述凹岸边和凸岸边均用钢筋混凝土浇筑而成,且凹岸边包括竖直段、弧形段和防冲段、且靠近凹岸边的弧形段和竖直段的河底均铺设有水泥底,所述竖直段远离河道的一侧中部固定有内设空腔呈长方体结构的调节箱,且调节箱的背面固定有开口朝向调节箱的外箱,所述外箱的内部滑动连接有滑动轴承座。本发明不仅能够防止河道被大水冲刷侵蚀,而且通过改变径流量来防止河道淤积。(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.)

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).

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.