CN112575733B - River bank scour prevention structure and construction method thereof - Google Patents
River bank scour prevention structure and construction method thereof Download PDFInfo
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- CN112575733B CN112575733B CN202011379254.0A CN202011379254A CN112575733B CN 112575733 B CN112575733 B CN 112575733B CN 202011379254 A CN202011379254 A CN 202011379254A CN 112575733 B CN112575733 B CN 112575733B
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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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- 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
- E02B3/14—Preformed blocks or slabs for forming essentially continuous surfaces; Arrangements thereof
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Abstract
The invention discloses a river bank scour prevention structure and a construction method thereof, wherein the river bank scour prevention structure comprises an installation block and a base arranged on the installation block, the top surface of the base is provided with a limiting component and a buffering component, the two buffering components are respectively arranged on two sides of the top surface of the base in a mirror image mode, the limiting component is arranged between the two buffering components, and the limiting component is matched with the buffering components; the method comprises the following steps: a. preparation before construction; b. assembling an anti-impact structure; c. detecting; d. and (6) mounting the base. According to the invention, the limiting component and the buffering component are arranged in a matching manner, when the river flushes the river bank, the river firstly impacts the buffering component, the buffering component is stressed and deformed, the limiting component plays a limiting role in the buffering component and increases the bearing capacity of the buffering component, and meanwhile, the buffering component is reset, so that the phenomenon that the river water flushes the soil slope to cause soil loss is avoided, the stability of the river bank is increased, and meanwhile, the phenomenon that the soil of the river bank flows into the water to increase river bottom silt is avoided.
Description
Technical Field
The invention belongs to the technical field of river banks, and particularly relates to a river bank scour prevention structure and a construction method thereof.
Background
The construction of the bank protection structure is one of important measures for enhancing the stability and safety of the bank protection at two sides of the river channel, the river bed and water flow interact with each other, the river bank is usually collapsed, the river behavior is changed, the embankment safety of the river channel is seriously endangered, and effective river bank protection and regulation measures are preferably adopted in river channel flood control engineering in order to ensure the stability of the river bank and the safety of flood management and drainage of the river channel. The river bank protection design can be divided into rigid bank protection, flexible bank protection and rigid-flexible combined bank protection according to different main materials.
Due to the interaction of the river bed and the water flow, the river bank is scoured, soil on the river bank is lost, soil on the soil slope of the river bank is loose, the river bank is easy to collapse, and meanwhile, the soil on the soil slope of the river bank is easy to enter river water, so that sludge on the bottom of the river is increased, and the river water is turbid.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a river bank scour prevention structure and a construction method thereof, in which by installing a scour prevention structure on a soil slope of a river bank, the scour protection structure consists of a base and a mounting block, the base is fixed on a riparian soil slope through the mounting block, buffer components are arranged on two sides of the top surface of the base in a mirror image mode, a limit component is arranged between the two buffer components and is matched with the buffer components, when river water scours the river bank, river water firstly impacts the buffer assembly, the buffer assembly is stressed and deformed, the limit assembly plays a limit role on the buffer assembly and increases the bearing capacity of the buffer assembly, and meanwhile, the buffer assembly is reset, therefore, the soil loss caused by the erosion of the soil slope by the river water is avoided, the stability of the river bank is improved, and the increase of river bottom sludge caused by the fact that the soil on the river bank flows into the water is avoided; in the construction method, according to the sizes of the base and the installation blocks, hole forming treatment is carried out on the soil slope, and the formed holes are used for placing the installation blocks; the mounting method comprises the steps of mounting a buffer component and a limiting component, firstly fixing a connecting seat on the top surface of a base, welding a connecting plate on a buffer plate, inserting the connecting plate into a clamping groove on the top surface of the connecting seat, then mounting a pressing plate, mounting a hydraulic damping rod and a buffer spring after the pressing plate is mounted, and fixing the buffer plate by setting the pressing plate and the clamping groove, so that a rotating part, the hydraulic damping rod and the buffer spring can be conveniently mounted between the buffer plate and the base, and the mounting progress is improved; then, an adjusting assembly is fixed in a groove in the bottom surface of the base, a fixing column is fixed in the groove, an L-shaped fixing rod ancient empire fixing frame is arranged at the bottom of the fixing column, an adjusting block is welded at the bottom of a telescopic threaded rod, the telescopic threaded rod is installed at the bottom of the fixing frame, and the fixing column is installed and used for fixing a telescopic piece and limiting the adjustment of the telescopic threaded rod; detecting the anti-impact structure, applying pressure to one end of the buffer plate, which is positioned at the hydraulic damping rod, observing whether the connecting plate at the other end of the buffer plate swings upwards and then is separated from the pressing plate or not, observing whether the connecting plate can be reinserted into the clamping groove for resetting or not after the applied pressure is removed after the connecting plate is not separated, wherein the connecting plate is qualified after being reset, repeatedly detecting for many times, ensuring the quality of the anti-impact structure, and the detection method is simple, effective, rapid and convenient; finally according to the roughness on the soil slope, the flexible condition of flexible screw rod in the adjustment base recess, thereby the control adjusting block stretches out and draws back in the recess, guarantee that the base bottom surface steadily places on the soil slope, then insert the installation piece in the foundation ditch of seting up on the soil slope, pour the base again and fix on the soil slope, the setting of adjustment subassembly is used for controlling the base and steadily places on the soil slope, thereby increased the stability of base and avoided having the clearance between two adjacent bases, the installation accuracy of base has been improved, and the bearing capacity of whole scour protection structure.
In order to solve the technical problems, the invention adopts the following technical scheme:
river bank scour protection structure, its characterized in that: including the installation piece and locate the base on the installation piece, the top surface of base is equipped with spacing subassembly and buffering subassembly, and two buffering subassemblies are the mirror image respectively and set up in the both sides of base top surface, and spacing subassembly is located between two buffering subassemblies, spacing subassembly and buffering subassembly phase-match. According to the invention, the scour prevention structure is installed on the river bank soil slope and consists of the base and the installation block, the base is fixed on the river bank soil slope through the installation block, the buffer assemblies are arranged on two sides of the top surface of the base in a mirror image mode, the limiting assembly is installed between the two buffer assemblies and is matched with the buffer assemblies, when river water scours the river bank, the river water firstly collides the buffer assemblies, the buffer assemblies are stressed and deformed, the limiting assemblies play a limiting role in the buffer assemblies and increase the bearing capacity of the buffer assemblies, and meanwhile, the buffer assemblies are reset, so that the river water is prevented from scouring the soil slope, soil loss is caused, the stability of the river bank is increased, and meanwhile, the soil of the river bank is prevented from flowing into the water to increase river bottom silt.
Further, the installation block and the base are integrally cast. The installation piece sets up with base integrated into one piece, has increased the wholeness of being connected between installation piece and the base to increased the steadiness of being connected between installation piece and the base, the manufacturing of while easy to assemble piece and base.
Further, the buffering subassembly includes the buffer board, the connecting piece, hydraulic damping pole and buffer spring, the bottom of spacing subassembly one end is kept away from to hydraulic damping pole's top fixed connection at the buffer board, hydraulic damping pole's bottom fixed connection is on the base, the outside at hydraulic damping pole is established to the buffer spring cover, the one end of connecting piece and the other end fixed connection of buffer board, the other end and the spacing subassembly of connecting piece match the setting, the both sides of buffer board are equipped with the rotation piece, it is located between hydraulic damping pole and the connecting piece to rotate the piece. The impact of rivers is from bottom to top, rivers are at first strikeed to the one end that is located the buffer board and is located hydraulic damping pole, then the buffer board is close to base one side, buffer spring and the reduction of hydraulic damping pole have been used, thereby the impact force of rivers has been reduced, because the setting of rotating the piece, make the other end of buffer board upwards swing, the other end of buffer board drives the connecting piece upwards swing, spacing subassembly has a power of pushing down to the connecting piece, thereby the bearing capacity that has increased the buffer board simultaneously spacing subassembly can control the connecting piece and reset.
Further, the rotation piece comprises a first rotation lug plate, a second rotation lug plate and a rotation shaft, the first rotation lug plate is fixedly connected to the two sides of the bottom surface of the buffer plate, the second rotation lug plate corresponds to the first rotation lug plate and is arranged on the top surface of the base, and the rotation shaft is rotatably connected between the first rotation lug plate and the second rotation lug plate. The first rotating lug plate drives the buffer plate to rotate around the rotating shaft on the second rotating lug plate, so that when one end of the buffer plate located on the hydraulic damping rod swings downwards, the other end of the buffer plate swings upwards around the rotating shaft, and due to the arrangement of the limiting assembly, one end of the buffer plate cannot swing upwards.
Further, spacing subassembly includes the connecting seat and locates the piece that compresses tightly of connecting seat top surface, compresses tightly a swing joint on the connecting seat, and the connecting piece joint is in one side of connecting seat, and the piece that compresses tightly supports the top surface at the connecting piece. After buffer board one end was strikeed by the rivers and is pushed down, the other end of buffer board upwards swings, compresses tightly the connecting piece on the connecting seat through compressing tightly the piece to increased the bearing capacity of buffer board and controlled the buffer board and reset, the one end upwards swing of buffer board has been avoided in the setting of connecting seat simultaneously.
Further, the connecting piece is equipped with the connecting plate, and the connecting plate sets up along the even interval of the other end of buffer board, connecting plate and buffer board fixed connection, and the both sides of connecting seat correspond the connecting plate and all are equipped with the joint groove, and the joint inslot is located to the connecting plate, and the piece that compresses tightly the connecting plate at the joint inslot. Compress tightly the connecting plate at the joint inslot through compressing tightly the piece to play a limiting displacement to the buffer board, make the one end of buffer board push down after receiving the rivers impact, compress tightly the connecting plate luffing motion of a control buffer board other end, compress tightly a push down connecting plate, thereby control connecting plate reinserts the joint inslot, the one end up-swing of buffer board has been avoided with the setting in joint groove to the connecting seat simultaneously.
Further, the pressing piece includes pressure strip and extrusion spring, and the both ends of connecting seat are equipped with the mounting groove, fixedly connected with guide post in the mounting groove, the both ends fixedly connected with L type transfer line that the pressure strip corresponds, and the guide post passes the bottom of L type transfer line, and the extrusion spring cover is established in the outside of guide post, and the bottom fixed connection of extrusion spring is in L type transfer line bottom, and the top fixed connection of extrusion spring is the top surface in the mounting groove. The one end of buffer board receives rivers impact back of pushing down, the connecting plate upswing of the buffer board other end, thereby drive the pressure strip rebound, L type transfer line is along the direction rebound of guide post, extrusion spring atress produces deformation, thereby the impulsive force that receives of buffer board has been reduced, the back is replied to the extrusion spring, control L type transfer line is along the direction downshifting of guide post, thereby make the connecting plate dash down insert the joint inslot, the normal position is replied to the buffer board, the one end that the buffer board could be controlled to great power is applyed to the one end of buffer board with the setting up of extrusion spring to the pressure strip simultaneously and make.
Further, the bottom surface of base is equipped with the recess, fixedly connected with adjustment assembly in the recess, and adjustment assembly includes fixed column, extensible member and adjusting block, and fixed column fixed connection is at the top surface in the recess, the top and the fixed column fixed connection of extensible member, and adjusting block fixed connection is in the bottom of extensible member. The setting of fixed post is used for fixing the extensible member in the recess, stretches out and retracts in the recess through extensible member control adjusting block to control placing that the base can be steady on domatic.
Further, the extensible member includes solid fixed ring, L type dead lever, mount and flexible threaded rod, and solid fixed ring fixed connection is in the outside of fixed column, the top and the solid fixed ring fixed connection of L type dead lever, the bottom of L type dead lever and the top surface fixed connection of mount, flexible threaded rod threaded connection is in the bottom of mount, the bottom of flexible threaded rod and the top surface fixed connection of adjusting block. The fixing ring is used for fixing the bottom of the fixing column, the fixing frame is fixed to the bottom of the fixing ring through the L-shaped fixing rod, the adjusting block is adjusted to stretch out and retract in the groove through rotation of the control telescopic threaded rod, and therefore the control base can be stably placed on the slope surface, stability of the base is improved, and gaps and height differences between two adjacent bases are avoided.
The construction method of the river bank scour prevention structure is characterized by comprising the following steps:
a. preparation before construction: firstly, leveling the ground of a river bank soil slope, and then arranging a foundation pit on the ground of the soil slope according to the positions of the base and the mounting block;
b. assembly of anti-scour structure
1) Installation of the buffer assembly: firstly, fixing a connecting seat on a base and welding a connecting plate on a buffer plate, then inserting the connecting plate into a clamping groove, then installing a pressing plate on the top surface of the connecting seat, enabling L-shaped transmission rods at two ends of the pressing plate to be located in an installation groove, then installing a guide rod sleeved with an extrusion spring in the installation groove, enabling the guide rod to penetrate through the L-shaped transmission rods, enabling the extrusion spring to be located between the L-shaped transmission rods and the top surface in the installation groove, enabling the pressing plate to press the connecting plate, fixing a hydraulic damping rod and the buffer spring at one end, far away from the connecting seat, of the buffer plate, and then installing a rotating piece between the buffer plate and the base;
2) installation of the adjusting assembly: firstly, fixing a fixed column in a groove, fixing a fixed ring on the outer side of the fixed column, welding the top end of an L-shaped fixed rod on the outer side of the fixed ring, welding a fixed frame on the bottom of the L-shaped fixed rod, welding an adjusting block on the bottom of a telescopic threaded rod, and then installing the top of the telescopic threaded rod into the fixed frame;
c. and (3) detection: the method comprises the steps that one end of a buffer plate, which is located at a hydraulic damping rod, is pressed, so that a connecting plate at the other end of the buffer plate is lifted upwards, a pressing plate is driven to lift upwards, the applied pressure is gradually increased, when one end of the buffer plate descends to the maximum stroke, whether the connecting plate is separated from the pressing plate or not is detected, the connecting plate is qualified if the connecting plate is not separated from the pressing plate is detected, after the applied pressure is withdrawn, whether the connecting plate falls down again and is inserted into a clamping groove is observed, whether the connecting plate can reset is judged to be qualified, and the detection is repeatedly carried out for many times;
d. installing a base: firstly detecting the flatness of the ground of the soil slope, then adjusting the adjusting assembly on the bottom surface of the base according to the flatness, so as to control the extension and locking of the adjusting block in the groove, ensure that the base is stably placed on the soil slope, then inserting the mounting block into the foundation pit formed in the step a, and then pouring the base on the soil slope for fixing, thereby completing construction.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
according to the invention, the scour prevention structure is installed on the river bank soil slope and consists of the base and the installation block, the base is fixed on the river bank soil slope through the installation block, the buffer assemblies are arranged on two sides of the top surface of the base in a mirror image mode, the limiting assembly is installed between the two buffer assemblies and is matched with the buffer assemblies, when river water scours the river bank, the river water firstly collides the buffer assemblies, the buffer assemblies are stressed and deformed, the limiting assemblies play a limiting role in the buffer assemblies and increase the bearing capacity of the buffer assemblies, and meanwhile, the buffer assemblies are reset, so that the river water is prevented from scouring the soil slope, soil loss is caused, the stability of the river bank is increased, and meanwhile, the soil of the river bank is prevented from flowing into the water to increase river bottom silt.
The pressing part comprises a pressing plate and an extrusion spring, mounting grooves are formed in two ends of the connecting seat, guide columns are fixedly connected in the mounting grooves, L-shaped transmission rods are fixedly connected to two corresponding ends of the pressing plate, the guide columns penetrate through the bottoms of the L-shaped transmission rods, the extrusion spring is sleeved on the outer sides of the guide columns, the bottoms of the extrusion springs are fixedly connected to the bottoms of the L-shaped transmission rods, and the tops of the extrusion springs are fixedly connected to the top surface in the mounting grooves. The one end of buffer board receives rivers impact back of pushing down, the connecting plate upswing of the buffer board other end, thereby drive the pressure strip rebound, L type transfer line is along the direction rebound of guide post, extrusion spring atress produces deformation, thereby the impulsive force that receives of buffer board has been reduced, the back is replied to the extrusion spring, control L type transfer line is along the direction downshifting of guide post, thereby make the connecting plate dash down insert the joint inslot, the normal position is replied to the buffer board, the one end that the buffer board could be controlled to great power is applyed to the one end of buffer board with the setting up of extrusion spring to the pressure strip simultaneously and make.
In the step b, firstly, a connecting seat is fixed on the top surface of a base, then a connecting plate is welded on a buffer plate, the connecting plate is inserted into a clamping groove on the top surface of the connecting seat, then a pressing plate is installed, a hydraulic damping rod and a buffer spring are installed after the pressing plate is installed, and through the arrangement of the pressing plate and the clamping groove, the buffer plate is fixed, a rotating part, the hydraulic damping rod and the buffer spring are conveniently installed between the buffer plate and the base, so that the installation progress is improved; then at the recess internal fixation adjusting part of base bottom surface, through at recess internal fixation fixed column, through L type dead lever ancient imperial nation mount in the bottom of fixed column, with the bottom of adjusting block welding threaded rod that stretches out and draws back again, install the bottom of mount with flexible threaded rod afterwards, the installation of fixed column not only is used for fixed extensible member, still plays a limiting displacement to the adjustment of flexible threaded rod.
In the step c, the anti-impact structure is detected, one end of the buffer plate, which is positioned at the hydraulic damping rod, is pressed, whether the connecting plate at the other end of the buffer plate swings upwards and is separated from the pressing plate or not is observed, whether the connecting plate can be reinserted into the clamping groove for resetting or not is observed after the applied pressure is removed after the connecting plate is not separated, the quality of the anti-impact structure is ensured after the connecting plate is reset, repeated detection is carried out for multiple times, and the detection method is simple, effective, rapid and convenient.
In the step d of the invention, the telescopic condition of the telescopic screw rod in the groove of the base is adjusted according to the flatness of the soil slope, so that the adjusting block is controlled to be telescopic in the groove, the bottom surface of the base is ensured to be stably placed on the soil slope, then the mounting block is inserted into a foundation pit arranged on the soil slope, then the base is poured on the soil slope for fixing, and the adjusting assembly is used for controlling the base to be stably placed on the soil slope, so that the stability of the base is increased, a gap between two adjacent bases is avoided, the mounting precision of the base is improved, and the pressure-bearing capacity of the whole anti-impact structure is improved.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of a river bank scour prevention structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the base and the position-limiting component according to the present invention;
FIG. 3 is a schematic view of a cushion assembly according to the present invention;
FIG. 4 is a schematic view of an adjusting assembly according to the present invention;
FIG. 5 is a schematic structural view of a foundation pit clamped on a riparian soil slope according to the present invention;
FIG. 6 is a schematic view of the present invention in a configuration for controlling the adjustment assembly according to the surface of the earth slope;
FIG. 7 is a schematic structural view of the present invention with the mounting block inserted into the foundation pit;
fig. 8 is a schematic structural view of the shock-proof structure of the present invention after the shock-proof structure is installed.
In the drawings, 1-mounting block; 2-a base; 3-a limiting component; 4-a buffer component; 5-a buffer plate; 6-hydraulic damping rods; 7-a buffer spring; 8-a rotating member; 9-a first rotating ear plate; 10-a second rotary lug plate; 11-a rotating shaft; 12-a connecting seat; 13-a compression member; 14-a connecting plate; 15-clamping groove; 16-a compacting plate; 17-a compression spring; 18-a mounting groove; 19-a guide post; a 20-L-shaped transmission rod; 21-a groove; 22-an adjustment assembly; 23-fixing columns; 24-a telescopic member; 25-an adjustment block; 26-a fixed ring; 27-L shaped fixing rods; 28-a mount; 29-telescopic threaded rod; 30-earth slope; 31-foundation pit.
Detailed Description
As shown in fig. 1 to 4, the river bank scour prevention structure of the invention comprises an installation block 1 and a base 2 arranged on the installation block 1, wherein the top surface of the base 2 is provided with a limiting component 3 and a buffering component 4, the two buffering components 4 are respectively arranged on two sides of the top surface of the base 2 in a mirror image manner, the limiting component 3 is arranged between the two buffering components 4, and the limiting component 3 is matched with the buffering components 4.
The mounting block 1 and the base 2 are integrally cast. Installation piece 1 and base 2 integrated into one piece set up, have increased the wholeness of being connected between installation piece 1 and the base 2 to increased the steadiness of being connected between installation piece 1 and the base 2, simultaneously easy to assemble the manufacturing of piece 1 and base 2.
Rotate 8 and rotate otic placode 10 and pivot 11 including first rotation otic placode 9, second, first rotation otic placode 9 fixed connection is in the both sides of 5 bottom surfaces of buffer board, and the second rotates otic placode 10 and corresponds first rotation otic placode 9 and locate the top surface of base 2, and pivot 11 rotates to be connected and rotates between otic placode 9 and second and rotate the otic placode 10. Drive buffer board 5 through first rotation otic placode 9 and rotate around pivot 11 on second rotation otic placode 10 to when making buffer board 5 be located the one end downswing of hydraulic damping pole 6, the other end of buffer board 5 is around the pivot 11 upswing, because the setting of spacing subassembly 3, makes the unable upswing of one end of buffer board 5.
The connecting piece is equipped with connecting plate 14, and connecting plate 14 sets up along the even interval of the other end of buffer board 5, connecting plate 14 and buffer board 5 fixed connection, and the both sides of connecting seat 12 correspond connecting plate 14 and all are equipped with joint groove 15, and in joint groove 15 was located to connecting plate 14, compress tightly 13 and compress tightly connecting plate 14 in joint groove 15. Compress tightly connecting plate 14 in joint groove 15 through compressing tightly 13 to play a limiting displacement to buffer board 5, make the one end of buffer board 5 push down after receiving the rivers impact, compress tightly the connecting plate luffing motion of 13 control buffer board 5 other ends, compress tightly 13 and push down the connecting plate, thereby control connecting plate inserts again in joint groove 15, the one end up-swing of buffer board 5 has been avoided in connecting seat 12 and the setting of joint groove 15 simultaneously.
Pressing part 13 includes pressure strip 16 and extrusion spring 17, and the both ends of connecting seat 12 are equipped with mounting groove 18, fixedly connected with guide post 19 in the mounting groove 18, the both ends fixedly connected with L type transfer line 20 that pressure strip 16 corresponds, and guide post 19 passes the bottom of L type transfer line 20, and extrusion spring 17 cover is established in the outside of guide post 19, and extrusion spring 17's bottom fixed connection is in L type transfer line 20 bottom, and extrusion spring 17's top fixed connection is at the top surface in mounting groove 18. The one end of buffer board 5 receives rivers to strike the back of pushing down, the connecting plate 14 upswing of the buffer board 5 other end, thereby drive pressure strip 16 rebound, L type transfer line 20 is along the direction rebound of guide post 19, extrusion spring 17 atress produces deformation, thereby having cut down the impulsive force that receives of buffer board 5, extrusion spring 17 replies the back, control L type transfer line 20 is along the direction downshifting of guide post 19, thereby make the connecting plate dash down insert in joint groove 15, buffer board 5 replies the normal position, pressure strip 16 makes the one end that need apply great power to the one end of buffer board 5 and just can control buffer board 5 with extrusion spring 17's setting simultaneously and pushes down.
The bottom surface of base 2 is equipped with recess 21, fixedly connected with adjustment assembly 22 in the recess 21, and adjustment assembly 22 includes fixed column 23, extensible member 24 and adjusting block 25, fixed column 23 fixed connection top surface in recess 21, the top and the fixed column 23 fixed connection of extensible member 24, adjusting block 25 fixed connection is in the bottom of extensible member 24. The fixing column 23 is used for fixing the telescopic piece 24 in the groove 21, and the telescopic piece 24 is used for controlling the adjusting block 25 to extend out and retract in the groove 21, so that the base 2 can be stably placed on a slope surface.
The telescopic piece 24 comprises a fixing ring 26, an L-shaped fixing rod 27, a fixing frame 28 and a telescopic threaded rod 29, the fixing ring 26 is fixedly connected to the outer side of the fixing column 23, the top end of the L-shaped fixing rod 27 is fixedly connected with the fixing ring 26, the bottom end of the L-shaped fixing rod 27 is fixedly connected with the top surface of the fixing frame 28, the telescopic threaded rod 29 is in threaded connection with the bottom of the fixing frame 28, and the bottom of the telescopic threaded rod 29 is fixedly connected with the top surface of the adjusting block 25. The fixing ring 26 is used for being fixed at the bottom of the fixing column 23, the fixing frame 28 is fixed at the bottom of the fixing ring 26 through the L-shaped fixing rod 27, the adjusting block 25 is adjusted to extend out and retract in the groove 21 through controlling the rotation of the telescopic threaded rod 29, so that the base 2 can be stably placed on a slope surface, the stability of the base 2 is improved, and a gap and a height difference between two adjacent bases 2 are avoided.
As shown in fig. 5 to 8, the construction method of the river bank scour protection structure of the present invention comprises the following steps:
a. preparation before construction: firstly, leveling the ground of the river bank soil slope 30, and then arranging a foundation pit 31 on the ground of the soil slope 30 according to the positions of the base 2 and the installation block 1.
b. Assembly of anti-scour structure
1) Installation of the cushion assembly 4: firstly, the connecting seat 12 is fixed on the base 2 and the connecting plate 14 is welded on the buffer plate 5, then the connecting plate 14 is inserted into the clamping groove 15, then the pressing plate 16 is installed on the top surface of the connecting seat 12, so that the L-shaped transmission rods 20 at the two ends of the pressing plate 16 are positioned in the installation grooves 18, then the guide rod sleeved with the extrusion spring 17 is installed in the installation grooves 18, the guide rod penetrates through the L-shaped transmission rods 20, so that the extrusion spring 17 is positioned between the L-shaped transmission rods 20 and the top surface in the installation grooves 18, the pressing plate 16 presses the connecting plate 14, the hydraulic damping rod 6 and the damping spring 7 are fixed at one end, far away from the connecting seat 12, of the buffer plate 5, and then the rotating piece 8 is installed between the buffer plate 5 and the base 2.
2) Installation of the adjustment assembly 22: firstly fixing the fixed column 23 in the groove 21, fixing the fixed ring 26 on the outer side of the fixed column 23, welding the top end of the L-shaped fixed rod 27 on the outer side of the fixed ring 26, then welding the fixed frame 28 on the bottom of the L-shaped fixed rod 27, then welding the adjusting block 25 on the bottom of the telescopic threaded rod 29, and then installing the top of the telescopic threaded rod 29 into the fixed frame 28.
c. And (3) detection: apply pressure through the one end that is located hydraulic damping pole 6 to buffer board 5 for the connecting plate of the 5 other ends of buffer board upwards lifts up, drive the ascending lifting of pressure strip 16, through progressively improving applied pressure, when the one end of buffer board 5 descends to maximum stroke, whether detect the connecting plate and take place to break away from with pressure strip 16, do not take place to break away from promptly for qualified, after withdrawing from applied pressure again, observe whether the connecting plate falls again and inserts in joint groove 15, what the connecting plate can reset promptly is qualified, detect repeatedly many times.
d. Installation of the base 2: firstly detecting the flatness of the ground of the soil slope 30, then adjusting the adjusting component 22 on the bottom surface of the base 2 according to the flatness, thereby controlling the extension and locking of the adjusting block 25 in the groove 21, ensuring that the base 2 is stably placed on the soil slope 30, then inserting the mounting block 1 into the foundation pit 31 formed in the step a, and then pouring the base 2 on the soil slope 30 for fixing, thereby completing construction.
According to the invention, the erosion prevention structure is arranged on the river bank soil slope 30 and consists of the base 2 and the installation block 1, the base 2 is fixed on the river bank soil slope 30 through the installation block 1, the buffer assemblies 4 are arranged on two sides of the top surface of the base 2 in a mirror image mode, the limiting assembly 3 is arranged between the two buffer assemblies 4, the limiting assembly 3 is matched with the buffer assemblies 4, when river water scours the river bank, the river water firstly collides with the buffer assemblies 4, the buffer assemblies 4 deform under stress, the limiting assembly 3 plays a limiting role on the buffer assemblies 4 and increases the bearing capacity of the buffer assemblies 4, and meanwhile, the buffer assemblies 4 are reset, so that the phenomenon that the river water scours the soil slope 30 to cause soil loss is avoided, the stability of the river bank is increased, and meanwhile, the phenomenon that the soil of the river bank flows into the water to increase river bottom silt is avoided.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (6)
1. The construction method of the river bank scour protection structure comprises an installation block and a base arranged on the installation block, wherein the top surface of the base is provided with a limiting component and a buffering component, the two buffering components are arranged on two sides of the top surface of the base in a mirror image mode respectively, the limiting component is arranged between the two buffering components and is matched with the buffering components, the buffering components comprise a buffering plate, a connecting piece, a hydraulic damping rod and a buffering spring, the top end of the hydraulic damping rod is fixedly connected to the bottom of the buffering plate far away from one end of the limiting component, the bottom end of the hydraulic damping rod is fixedly connected to the base, the buffering spring is sleeved outside the hydraulic damping rod, one end of the connecting piece is fixedly connected with the other end of the buffering plate, and the other end of the connecting piece is matched with the limiting component, the two sides of the buffer plate are provided with rotating parts, the rotating parts are positioned between the hydraulic damping rod and the connecting part, the limiting component comprises a connecting seat and a pressing part arranged on the top surface of the connecting seat, the pressing part is movably connected on the connecting seat, the connecting part is clamped on one side of the connecting seat, the pressing part is abutted against the top surface of the connecting part, the pressing part comprises a pressing plate and an extrusion spring, two ends of the connecting seat are provided with mounting grooves, guide posts are fixedly connected in the mounting grooves, two ends corresponding to the pressing plate are fixedly connected with L-shaped transmission rods, the guide posts penetrate through the bottoms of the L-shaped transmission rods, the extrusion spring is sleeved outside the guide posts, the bottoms of the extrusion springs are fixedly connected at the bottoms of the L-shaped transmission rods, and the tops of the extrusion springs are fixedly connected on the top surfaces in the mounting grooves, the method is characterized by comprising the following steps:
a. preparation before construction: firstly, leveling the ground of a river bank soil slope, and then arranging a foundation pit on the ground of the soil slope according to the positions of the base and the mounting block;
b. assembly of anti-scour structure
1) Installation of the buffer assembly: firstly, fixing a connecting seat on a base and welding a connecting plate on a buffer plate, then inserting the connecting plate into a clamping groove, then installing a pressing plate on the top surface of the connecting seat, enabling L-shaped transmission rods at two ends of the pressing plate to be located in an installation groove, then installing a guide rod sleeved with an extrusion spring in the installation groove, enabling the guide rod to penetrate through the L-shaped transmission rods, enabling the extrusion spring to be located between the L-shaped transmission rods and the top surface in the installation groove, enabling the pressing plate to press the connecting plate, fixing a hydraulic damping rod and the buffer spring at one end, far away from the connecting seat, of the buffer plate, and then installing a rotating piece between the buffer plate and the base;
2) installation of the adjusting assembly: firstly, fixing a fixed column in a groove, fixing a fixed ring on the outer side of the fixed column, welding the top end of an L-shaped fixed rod on the outer side of the fixed ring, welding a fixed frame on the bottom of the L-shaped fixed rod, welding an adjusting block on the bottom of a telescopic threaded rod, and then installing the top of the telescopic threaded rod into the fixed frame;
c. and (3) detection: the method comprises the steps that one end of a buffer plate, which is located at a hydraulic damping rod, is pressed, so that a connecting plate at the other end of the buffer plate is lifted upwards, a pressing plate is driven to lift upwards, the applied pressure is gradually increased, when one end of the buffer plate descends to the maximum stroke, whether the connecting plate is separated from the pressing plate or not is detected, the connecting plate is qualified if the connecting plate is not separated from the pressing plate is detected, after the applied pressure is withdrawn, whether the connecting plate falls down again and is inserted into a clamping groove is observed, whether the connecting plate can reset is judged to be qualified, and the detection is repeatedly carried out for many times;
d. installing a base: firstly detecting the flatness of the ground of the soil slope, then adjusting the adjusting assembly on the bottom surface of the base according to the flatness, so as to control the extension and locking of the adjusting block in the groove, ensure that the base is stably placed on the soil slope, then inserting the mounting block into the foundation pit formed in the step a, and then pouring the base on the soil slope for fixing, thereby completing construction.
2. The construction method of a river bank scour prevention structure according to claim 1, wherein: the mounting block and the base are integrally cast.
3. The construction method of a river bank scour prevention structure according to claim 1, wherein: rotate the piece and rotate otic placode and pivot including first rotation otic placode, second, first rotation otic placode fixed connection be in the both sides of buffer board bottom surface, the second rotates the otic placode and corresponds first rotation otic placode is located the top surface of base, the pivot is rotated and is connected first rotation otic placode with the second rotates between the otic placode.
4. The construction method of a river bank scour prevention structure according to claim 1, wherein: the connecting piece is provided with a connecting plate, the connecting plate is arranged along the other end of the buffer plate at even intervals, the connecting plate is fixedly connected with the buffer plate, the two sides of the connecting seat correspond to the connecting plate, clamping grooves are formed in the connecting plate, the connecting plate is arranged in the clamping grooves, and the pressing piece is pressed against the connecting plate in the clamping grooves.
5. The construction method of a river bank scour prevention structure according to claim 1, wherein: the bottom surface of base is equipped with the recess, fixedly connected with adjustment assembly in the recess, adjustment assembly includes fixed column, extensible member and adjusting block, fixed column fixed connection is at the top surface in the recess, the top of extensible member with fixed column fixed connection, adjusting block fixed connection be in the bottom of extensible member.
6. The construction method of a river bank scour prevention structure according to claim 5, wherein: the telescopic part comprises a fixing ring, an L-shaped fixing rod, a fixing frame and a telescopic threaded rod, the fixing ring is fixedly connected to the outer side of the fixing column, the top end of the L-shaped fixing rod is fixedly connected with the fixing ring, the bottom end of the L-shaped fixing rod is fixedly connected with the top surface of the fixing frame, the telescopic threaded rod is in threaded connection with the bottom of the fixing frame, and the bottom of the telescopic threaded rod is fixedly connected with the top surface of the adjusting block.
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| CN202011379254.0A CN112575733B (en) | 2020-11-30 | 2020-11-30 | River bank scour prevention structure and construction method thereof |
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| CN116988428B (en) * | 2023-08-03 | 2024-01-30 | 南京水科院瑞迪科技集团有限公司 | Hydraulic engineering is with protection buffer with drainage reposition of redundant personnel function |
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| CN207314260U (en) * | 2017-08-17 | 2018-05-04 | 夏鑫 | A kind of protection slope |
| CN108343032A (en) * | 2018-02-08 | 2018-07-31 | 刘肖俊 | A kind of water conservancy protective device that effective protection can be carried out to vegetation |
| CN208055988U (en) * | 2018-03-09 | 2018-11-06 | 中国电建集团昆明勘测设计研究院有限公司 | Bank protection structure of soft rock river bank |
| CN208266794U (en) * | 2018-06-04 | 2018-12-21 | 正业设计股份有限公司 | A kind of novel anti-impact type shore protection |
| CN212026132U (en) * | 2020-03-27 | 2020-11-27 | 平湖市水利工程有限公司 | Hydraulic engineering protection buffering slope |
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|---|---|---|---|---|
| CN207314260U (en) * | 2017-08-17 | 2018-05-04 | 夏鑫 | A kind of protection slope |
| CN108343032A (en) * | 2018-02-08 | 2018-07-31 | 刘肖俊 | A kind of water conservancy protective device that effective protection can be carried out to vegetation |
| CN208055988U (en) * | 2018-03-09 | 2018-11-06 | 中国电建集团昆明勘测设计研究院有限公司 | Bank protection structure of soft rock river bank |
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