CN116104115A

CN116104115A - Hydraulic engineering cofferdam combined type protection system

Info

Publication number: CN116104115A
Application number: CN202310271382.0A
Authority: CN
Inventors: 刘金龙; 李湛; 刘国军; 张武来; 赵金香; 张立功; 张磊; 王浩
Original assignee: Beijing Golden River Water Conservancy Construction Group Co ltd
Current assignee: Beijing Golden River Water Conservancy Construction Group Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-05-12

Abstract

The invention relates to the technical field of hydraulic engineering construction equipment, in particular to a hydraulic engineering cofferdam composite type protection system, which comprises a base, a protection mechanism and a cofferdam body, wherein the base is formed by butting a first base body and a second base body, a cofferdam area groove for building a cofferdam and carrying out hydraulic engineering construction is formed in the base, the protection mechanism is directly arranged on the base or rotatably and adjustably arranged on the base through a rotating mechanism, the protection mechanism mainly comprises a protection cover formed by butting a first diversion side plate, a second diversion side plate and a connecting piece, the first diversion side plate and the second diversion side plate are cambered surface plates, the protection cover is of a structure with the horizontal cross section gradually reduced from bottom to top, the first end of the protection cover faces to water flow, a diversion component force structure is arranged outside the protection cover, the diversion component force structure comprises a diversion component force plate, the upper plate surface of the diversion component force plate is provided with a component force inclined plane, and the component force inclined plane faces to water flow.

Description

Hydraulic engineering cofferdam combined type protection system

Technical Field

The invention relates to the technical field of hydraulic engineering construction equipment, in particular to a hydraulic engineering cofferdam composite protection system.

Background

The cofferdam is a temporary water retaining building in hydraulic diversion engineering and is used for enclosing a construction foundation pit, so that the hydraulic engineering building can be constructed in dry land, and when hydraulic engineering construction is carried out in a river, as river water continuously flows, sediment and stones in the water are driven to move, the cofferdam can be impacted, and the cofferdam is cracked or even collapsed. In the construction of large rivers, lakes and even marine water benefits, the water pressure is greatly changed at different water depth positions, the flow direction of water is also changed due to different reasons, the pressure born by the cofferdam is greatly different at all positions, and the cofferdam is particularly deep and faces the direction of water flow, is impacted to the greatest extent by the water flow, and is also required to cope with sand and stone impact.

The prior art has a plurality of cofferdam protection schemes, wherein only a small part of the factors of water depth are considered, the coping schemes are given, the influence of the water flow direction change on a protection system and the cofferdam is not considered, the Chinese patent application number 202120146197.5 provides a cofferdam protection scheme capable of coping with the impact of water flow and sand and stone, but the scheme does not consider the influence of the water pressure change caused by the water depth change on equipment and the cofferdam, also considers the influence of the water flow impact on the installation stability of the protection equipment, and also does not consider the influence of the water flow direction change on the effect of the equipment, so that the scheme has certain limitation.

Disclosure of Invention

The invention aims to solve the technical problem of providing a hydraulic engineering cofferdam composite type protection system, wherein a protection mechanism in the system adopts a unique structure, can be matched with the impact force of water flow and sand and stone, is suitable for providing better protection effect for the cofferdam under different water depths and different water flows, and in some embodiments, the orientation of the protection mechanism can be adjusted according to the flow direction of the water flow, so that the protection mechanism can exert the best protection effect.

In order to solve the technical problems, the invention adopts the following technical scheme: a hydraulic engineering cofferdam combined type protection system comprises

The base comprises a first base body and a second base body, a plurality of anchor rods are vertically arranged on the first base body and the second base body, opposite interfaces are further formed on the first base body and the second base body, the first base body and the second base body are in butt joint to form the base, and the two opposite interfaces are in butt joint to form a cofferdam area groove;

the protection mechanism is arranged on the base and comprises a first diversion side plate, a second diversion side plate and a connecting piece, wherein two end parts of the first diversion side plate are respectively connected with two end parts of the second diversion side plate through the connecting piece, and the first diversion side plate and the second diversion side plate are in butt joint to form a cylindrical diversion cover; the first diversion side plate and the second diversion side plate are cambered surface plates, the horizontal cross section of the diversion cover gradually decreases from bottom to top, the diversion cover is provided with a first end and a second end, the two connecting pieces are respectively positioned at the first end and the second end of the diversion cover, and the first end is the end of the diversion cover facing the water flow; the first diversion side plate and the second diversion side plate are respectively provided with a diversion component force structure, the diversion component force structure comprises a diversion component force plate, the upper plate surface of the diversion component force plate is provided with a component force inclined plane, and the component force inclined plane faces water flow to flow;

the cofferdam body is arranged in the cofferdam area groove and is positioned between the first diversion side plate and the second diversion side plate. The protection cover is provided with a first end and a second end, the first end is suitable for facing to water flow to disperse the impact of water flow and sand and stones, the protection cover adopts a structure which is gradually reduced from bottom to top so as to cope with the pressure of the water flowing down to the protection cover and the cofferdam with different depths, the diversion component force mechanism is used for dispersing the impact of water flow, guiding the water flow sand and stones to disperse towards the two sides of the protection cover, and the water flow impact can be dispersed, so that the water flow can provide a component force for the protection system to push down, and the stability of the protection system is improved.

As a further scheme, the connecting piece comprises a connecting block and a top plate, two T-shaped grooves are formed in the connecting block, the two T-shaped grooves are symmetrically arranged and are respectively communicated with two opposite side surfaces of the connecting block, the top plate is arranged in each T-shaped groove, and the top plate is connected with the bottoms of the T-shaped grooves through a plurality of springs;

both ends of the first diversion side plate and both ends of the second diversion side plate are vertically and fixedly provided with clamping plates which are correspondingly matched with the T-shaped grooves. The two ends of the first flow guiding side plate are connected with the two ends of the second flow guiding side plate through connecting pieces, and the structure of the connecting pieces is convenient for realizing the disassembly and assembly combination of the first flow guiding side plate and the second flow guiding side plate.

As a further proposal, the connecting piece also comprises two sealing blocks which are respectively and symmetrically arranged at two sides of the connecting block, the notch of the T-shaped groove is positioned between the two sealing blocks,

the sealing block is triangular prism-shaped, one side surface of the sealing block is a butt joint surface, a connecting groove suitable for embedding the connecting block is formed in the butt joint surface, and inclined surfaces which are inclined to the side where the connecting groove is formed in two sides of the connecting groove on the butt joint surface. The sealing block has the function of enabling the joint of the first diversion side plate and the second diversion side plate to have a certain sealing waterproof effect.

As a further scheme, through holes are formed in the first seat body and the second seat body, the through holes of the first seat body correspond to the through holes of the second seat body, and the base further comprises a connecting rod which penetrates through the through holes of the first seat body and the through holes of the second seat body. After the first base body and the second base body are butted to form the base body, the base body is reinforced by the connecting rod, so that the dislocation phenomenon between two parts of structures of the base is avoided.

As a further scheme, the device also comprises a rotating mechanism, wherein the rotating mechanism is arranged on the base, and the protection mechanism is arranged on the base through the rotating mechanism. The orientation of the first end of the shield is adjustable by a rotation mechanism to account for changes in the direction of water flow.

As a further scheme, rotary mechanism includes roating seat and rotary power piece, has seted up the cofferdam groove of stepping down on the roating seat, and the roating seat passes through the rotary part rotatably to be installed on the base and by rotary power piece drive rotation, the cofferdam is stepping down the groove and is just right with cofferdam regional groove, first water conservancy diversion curb plate and second water conservancy diversion curb plate are all installed on the roating seat. The rotary power piece is rotated through driving the rotary seat, and the direction of the first end of the protective cover can be adjusted.

As a further scheme, all be connected through a plurality of elastic support rod between first water conservancy diversion curb plate and the roating seat, between second water conservancy diversion curb plate and the roating seat, elastic support rod includes branch, lower branch and spring, has seted up the connecting hole in the branch of going up, and the connecting hole runs through the bottom of last branch, and the top of lower branch penetrates the connecting hole and passes through spring coupling with last branch. The elastic support rod is used for improving the installation stability of the first diversion side plate and the second diversion side plate.

As a further scheme, the first diversion side plate and the second diversion side plate are fixedly provided with reinforcing frames. The reinforcing frame is used for improving the strength of the first diversion side plate and the second diversion side plate

As a further scheme, the lower part of first water conservancy diversion curb plate and second water conservancy diversion curb plate all is equipped with the plugboard, is equipped with the jack on the plugboard, has seted up the jack on the roating seat, and the pole hole of wearing has all been seted up to the side of roating seat, wears pole hole and jack intercommunication and wears to be equipped with the draw-in lever in the pole hole, and the plugboard of first water conservancy diversion curb plate and second water conservancy diversion curb plate all inserts the jack on the roating seat to the draw-in lever passes the jack on the corresponding plugboard.

As a further scheme, the clamping rod is a threaded rod, and the rod penetrating hole is a threaded hole matched with the clamping rod.

The beneficial effects are that: 1. because of the self structures of the first diversion side plate and the second diversion side plate and the butt joint mode of the first diversion side plate and the second diversion side plate, the diversion cover is of a cylindrical structure with the horizontal cross section gradually reduced from bottom to top, the diversion cover can cope with different water pressure conditions under different water depths by the structure, the diversion cover is provided with a first end and a second end, the first end of the diversion cover is relatively sharp, the cross section of the diversion cover is in a water drop shape, the first end can cope with the impact of water flow by the structure, and the diversion cover is convenient for dispersing the impact of water flow and sand; 2. the diversion component force structures at the two sides of the surface of the protective cover not only can guide dispersed water flow and sand and stones, but also can downwards disperse partial acting force generated by the water flow, and the component force of the water flow plays a role in pressing the diversion cover to the base, so that the protective system is firmly stabilized; 3. the protection casing of protection machanism mainly comprises first water conservancy diversion curb plate and second water conservancy diversion curb plate, and protection machanism can be driven the rotation by rotary mechanism to in time adjust the orientation according to the rivers flow direction, thereby provide stable protection for cofferdam body.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic side view of a protective system of the present application;

FIG. 2 is a schematic cross-sectional view of the protection system of the present application;

FIG. 3 is a schematic top view of the protective system of the present application;

FIG. 4 is a schematic view of the bottom structure of the base;

FIG. 5 is a schematic top view of the protection mechanism in an actual use state;

FIG. 6 is a schematic view of a first side plate;

FIG. 7 is a schematic view of a structure of a connector;

FIG. 8 is a schematic view of the structure of an elastic strut;

in the figure: 1. a base, 11, a first base body, 12, a second base body, 13, a cofferdam area groove, 14 and an anchor rod,

21. a rotating seat is arranged on the rotating seat,

3. the protection mechanism 31, the first diversion side plate 32, the second diversion side plate 33, the connecting piece 34, the diversion component force plate 35, the elastic supporting rod 36, the plugboard 37, the jack 38, the first end 39, the second end 331, the connecting block 332, the top plate 333 and the sealing block,

4. a cofferdam body.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.

Example 1

The utility model provides a hydraulic engineering cofferdam combined type protection system, includes base 1, protection machanism 3 and cofferdam body 4, and base 1 is fixed through the submarine soil in hydraulic engineering construction waters and is set up, and protection machanism 3 is installed on the base, and cofferdam body 4 sets up the soil in hydraulic engineering construction waters, and cofferdam body 4 is surrounded the protection by protection machanism 3.

Referring to fig. 4, the base 1 includes a first base 11 and a second base 12, a plurality of anchor rods 14 are vertically disposed on the first base 11 and the second base 12, the anchor rods 14 can be inserted into the soil of the water bottom, so that the first base 11 and the second base 12 can be fixed to the peripheral water area of the hydraulic engineering construction area, the first base 11 and the second base 12 can be combined to form the base 1, the base 1 can be fixed to the water bottom of the hydraulic engineering construction area under the action of the anchor rods 14, the base 1 can be used as a mounting base of the protection mechanism 3, the first base 11 and the second base 12 are provided with butt joints, when the first base 11 and the second base 12 are butted to form the base 1, the butt joint of the butt joint of the first base 11 and the butt joint of the second base 12 form a cofferdam area groove 13, and the cofferdam area groove 13 is an area reserved on the base 1 for mounting the cofferdam body 4 and for performing construction in the inner area of the cofferdam body 4.

In order to avoid the situation that the first seat 11 and the second seat 12 have height differences due to different bearing or different water bottom ground conditions, in some embodiments, through holes are formed in the first seat 11 and the second seat 12, the through holes of the first seat 11 penetrate through the end surface of the first seat 11 close to the second seat 12 and the end surface of the first seat 11 far away from the second seat 12, the through holes of the second seat 12 penetrate through the end surface of the second seat 12 close to the first seat 11 and the end surface of the second seat 12 far away from the first seat 11, the through holes of the first seat 11 correspond to the through holes of the second seat 12, the base 1 further comprises a connecting rod, when one of the first seat 11 and the second seat 12 is sunken, the other adjacent seat plays a role in supporting under the action of the connecting rod, and simultaneously the upper surface of the base 1 is kept in a flat state. As a preferred embodiment, the number of through holes in the first seat 11 and the number of through holes in the second seat 12 are at least 2, and the number of through holes in the first seat 11 and the number of through holes in the second seat 12 are at least two, respectively.

Referring to fig. 3 and 5, the protection mechanism 3 is mounted on the base 1, the protection mechanism 3 includes a first guiding side plate 31, a second guiding side plate 32 and a connecting member 33, one end of the first guiding side plate 31 is connected with one end of the second guiding side plate 32 through the connecting member 33, the other end of the first guiding side plate 31 is connected with the other end of the second guiding side plate 32 through the connecting member 33, the first guiding side plate 31 and the second guiding side plate 32 are butted to form a cylindrical guiding cover, the first guiding side plate 31 and the second guiding side plate 32 are cambered surface plates, the first guiding side plate 31 is in a structure as shown in fig. 6, the second guiding side plate 32 and the first guiding side plate 31 are in mirror image distribution, the horizontal cross section of the guiding cover is in a drop shape, the horizontal cross section of the guiding cover gradually decreases from bottom to top, the guiding cover has a first end 38 and a second end 39, the first end 38 and the second end 39 are two tips of a drop-shaped cross section of the air guide cover, wherein the first end 38 is a relatively sharp tip, the first end 38 is an end of the first air guide side plate 31, which is connected to one end of the second air guide side plate 32 through the connecting piece 33, the second end 39 is an end of the other end of the first air guide side plate 31, which is connected to the other end of the second air guide side plate 32 through the connecting piece 33, referring to fig. 5, arrows in fig. 5 are flow directions of water flow, sand and the like, an end located above the air guide cover is the first end 38 of the air guide cover, an end located below the air guide cover is the second end 39 of the air guide cover, the first end 38 of the air guide cover is more sharp than the second end 39, and in actual use, the first end 38 of the air guide cover faces the water flow, the sand and the water flow, and the like, and the portions of the first air guide side plate 31 and the second air guide side plate 32 close to the first end 38 correspond to the water flow, the sand and the water flow, respectively, the impact of the sand and stone, the first guide side plate 31 and the second guide side plate 32 disperse the water flow, the sand and stone, and the like to the two sides of the guide cover.

The first guide side plate 31 and the second guide side plate 32 are respectively provided with a guide component force structure, and as shown in fig. 1, 3, 5 and 6, the guide component force mechanisms have two functions, namely, the first guide side plate 31 or the second guide side plate 32 matched with the guide side plate is used for guiding water flow and sand to avoid the guide cover and dispersing and moving from the first end 38 to the second end 39, and the guide cover is subjected to downward component force by utilizing the impact of the water flow, so that the installation stability of the guide cover is improved. Specifically, as shown in fig. 6, the flow guiding component force mechanism includes one or at least two flow guiding component force plates 34, component force inclined planes are arranged on the flow guiding component force plates 34, the component force inclined planes face to the water flow, and face to the direction from the first end 38 to the second end 39 of the flow guiding cover, the upper plate surface of the flow guiding component force plates 34 is continuously raised, the inclined upper plate surface of the flow guiding component force plates 34 is the component force inclined planes, when the water flow and the sand stone impact the first end 38 of the protective cover, the water flow and the sand stone are dispersed by the first end 38 and the second end 32, and when the dispersed water flow, the sand stone and the like impact the flow guiding component force plates 34, the flow guiding component force plates 34 guide the water flow and the sand stone to be lifted, and simultaneously the flow guiding component force plates 34 are impacted to generate downward component force to press the flow guiding cover to press the lower base 1, so that the overall stability of the protective system is improved.

The structure of connecting piece 33 is as shown in fig. 7, connecting piece 33 includes connecting block 331 and roof 332, connecting block 331 is rectangular shape body of rod structure, two T type grooves have been seted up to the inside of connecting block 331, two T type grooves all extend along the length direction of connecting block 331, two T type groove symmetric distributions, two T type grooves communicate with each other with two opposite sides of connecting block 331 respectively, two T type inslot all are equipped with roof 332, roof 332 is rectangular shaped plate, roof 332 sets up along the length direction of T type groove, roof 332 passes through a plurality of spring coupling with the tank bottom of place T type groove, a plurality of springs are with roof 332 top to the notch direction of T type groove. The two ends of the first guide plate and the two ends of the second guide plate are respectively and vertically fixed with a clamping plate, the clamping plates are strip-shaped plates, and the clamping plates are used for being matched with the T-shaped grooves to enable the first guide side plates 31 or the second guide side plates 32 to be connected with the connecting pieces 33. The specific connection mode that first water conservancy diversion curb plate 31 and second water conservancy diversion curb plate 32 and connecting piece 33 are connected is, and the cardboard of first water conservancy diversion curb plate 31 one end penetrates T type groove, and the cardboard of second water conservancy diversion curb plate 32 one end penetrates T type groove, under the effect of T type inslot spring, roof 332 extrusion cardboard plays the effect that prevents that the cardboard from breaking away from T type groove.

The connecting piece 33 further includes two sealing blocks 333, the two sealing blocks 333 are symmetrically distributed on two sides of the connecting block 331, the notches of the two sealing blocks 333 and the two T-shaped grooves are respectively located on four sides of the connecting block 331, the sealing blocks 333 are triangular prism shapes, one side surface of the sealing block 333 is a butt joint surface, preferably, the sealing block 333 is an isosceles triangle prism shape in cross section, and the surface where the bottom edge of the cross section is located is the butt joint surface of the sealing block 333. The connecting groove is formed on the abutting surface, the connecting groove is a long groove extending along the length direction of the sealing block 333, the connecting groove is suitable for the connecting block 331 to be partially embedded, the two side surfaces of the abutting surface, which are positioned on the connecting groove, are inclined surfaces inclined towards the side where the connecting groove is positioned, the purpose of the design is to enable the two side edges of the abutting surface of the sealing block 333 to be respectively close to the two side edges of the abutting surface of the other sealing block 333 when the two sealing blocks 333 are opposite to each other, and the side edges corresponding to the two sealing blocks 333 are pressed on the two plate surfaces of the first guiding side plate 31 or the second guiding side plate 32 when the first guiding side plate 31 or the second guiding side plate 32 is connected with the connecting block 331, so that the sealing waterproof effect is achieved. The sealing block 333 is preferably made of a material having elasticity such as rubber or polyurethane.

In some embodiments, the hydraulic engineering cofferdam combined type protection system of the application further comprises a water pumping and pressure regulating mechanism, wherein the water pumping and pressure regulating mechanism comprises a water pump and a necessary water pipe, the water pump is used for pumping out water which is positioned in the protection cover and is positioned on the outer part of the cofferdam, and the water pumping and pressure regulating mechanism can regulate the pressure difference between the inner part and the outer part of the protection cover, so that the water outside the protection cover has an extrusion effect on the protection cover.

The cofferdam body 4 is built based on soil at the water bottom, the cofferdam body 4 penetrates through the cofferdam area groove 13 of the base 1, and hydraulic engineering construction work is carried out inside the cofferdam body 4.

Example 2

Referring to fig. 1-8, on the basis of embodiment 1, a hydraulic engineering cofferdam composite protection system further includes a rotation mechanism, the rotation mechanism is installed on the base 1, the protection mechanism 3 is installed on the rotation mechanism, the protection mechanism 3 is installed on the base 1 through the rotation mechanism, the rotation mechanism can drive the protection mechanism 3 to rotate, and the orientation of the protection mechanism 3 is adjusted according to the water flow direction so as to cope with the impact of water flow and sand and stones in water.

The rotary mechanism comprises a rotary seat 21 and a rotary power part, wherein the rotary seat 21 is rotatably arranged on the base 1 through a rotary part, the rotary part comprises a slewing bearing and a connecting seat, the connecting seat is connected with the first seat body 11 and the second seat body 12 when the rotary seat 21 is arranged on the base 1, a cofferdam yielding groove is formed in the rotary seat 21, the cofferdam yielding groove is opposite to the cofferdam regional groove 13 in the vertical direction, the cofferdam yielding groove is similar to the cofferdam regional groove 13 in action, and the cofferdam yielding groove is reserved on the rotary seat 21 and used for installing the cofferdam body 4 and used for constructing the inner region of the cofferdam body 4. In order to improve the installation strength of the rotary seat 21, a plurality of supporting wheels are arranged at the bottom of the rotary seat 21, the wheel bodies of the supporting wheels are contacted with the base 1 or are positioned above the base 1, and the rotary seat 21 is supported by the supporting wheels to rotate the rotary seat 21 after being pressed down; the rotary power piece is used for driving the rotary seat 21 to rotate, the front end of the protection mechanism 3 is further adjusted to face, the rotary support is specifically a rotary support with teeth arranged on an inner ring or an outer ring, the rotary power piece is a motor or a fuel engine, the rotary power piece is arranged on the rotary seat 21, a power output shaft of the rotary power piece is in transmission connection with the rotary support so as to drive the rotary seat 21 to rotate, a water draining cover is further arranged on the rotary seat 21, and the rotary power piece is arranged in the waterproof cover.

In this embodiment, the protection mechanism 3 is mounted on the rotating seat 21, and the rotation mechanism can drive the protection mechanism 3 to rotate so as to adjust the end orientation of the protection mechanism 3.

In some embodiments, in order to improve the structural strength of the air guide sleeve, the protection mechanism 3 further includes a plurality of elastic struts 35, the first air guide side plate 31 is supported by a plurality of elastic struts 35 between the rotary seat 21, the second air guide side plate 32 is also supported by a plurality of elastic struts 35 between the rotary seat 21, the elastic struts 35 are rod bodies with rod lengths capable of being telescopically changed to a certain extent, the structure of the elastic struts 35 is as shown in fig. 8, the elastic struts 35 include an upper strut, a lower strut and a spring, a connecting hole is formed in the upper strut, the connecting hole penetrates through the bottom end of the upper strut, the orifice of the connecting hole is downward, the lower strut can be connected, water accumulation in the connecting hole can be avoided, a locking piece is arranged at the orifice of the connecting hole, and a locking hole is arranged in the locking piece and communicated with the connecting hole; the spring sets up in the connecting hole, down the branch passes the lockhole, and the one end of down the branch is located the connecting hole, and the one end that down the branch is located the connecting hole is equipped with the kicking block, and the top of down the branch is propped in the bottom of spring through the kicking block, the kicking block is used for preventing down the branch and breaks away from branch. When the elastic support rod 35 is used, the top end of the upper support rod is connected with the first diversion side plate 31 or the second diversion side plate 32, and the lower support rod is connected with the rotating seat 21.

As a further embodiment, the first guide side plate 31 and the second guide side plate 32 are respectively and fixedly provided with a reinforcing frame, the reinforcing frames are located on the inner wall of the guide cover, the reinforcing frames are in a grid structure, and the top ends of the elastic supporting rods 35 are connected with the reinforcing frames on the first guide side plate 31 or the second guide side plate 32.

In some embodiments, the lower parts of the first diversion side plate 31 and the second diversion side plate 32 are respectively provided with a plugboard 36, the plugboards 36 of the first diversion side plate 31 and the second diversion side plate 32 are more than two, and the board surfaces of each plugboard 36 are respectively provided with a plughole 37, please refer to the schematic structural diagram of the first diversion side plate shown in fig. 6; the rotary seat 21 is provided with a plurality of inserting grooves, the inserting grooves are distributed along the shape of the outline of the bottom end surface of the air guide sleeve, the side surface of the rotary seat 21 is provided with rod penetrating holes corresponding to the inserting grooves, when the first air guide side plate 31 and the second air guide side plate 32 are connected with the rotary seat 21, the inserting plates 36 at the bottom of the first air guide side plate 31 are respectively inserted into the corresponding inserting grooves, the inserting plates 36 at the bottom of the second air guide side plate 32 are respectively inserted into the corresponding inserting grooves, then the clamping rods respectively penetrate into the corresponding rod penetrating holes and penetrate through the inserting holes 37 on the inserting plates 36 in the corresponding inserting grooves, in order to avoid the clamping rods from separating, the clamping rods can be provided as threaded rods, and the rod penetrating holes are threaded holes matched with the clamping rods.

In this embodiment, the present application further includes a water flow direction detector that is used in conjunction with the present application, and according to the detection of the water flow direction, the direction of the protection mechanism 3 is adjusted in time, so that the first end 38 of the protection cover faces the water flow direction.

The cofferdam body 4 is built based on soil at the water bottom, the cofferdam body 4 passes through the cofferdam regional groove 13 of the base 1, and simultaneously passes through the cofferdam abdication groove on the rotary seat 21, the inside hydraulic engineering construction work that carries out of cofferdam body 4, the action of rotary mechanism and protection machanism 3 does not influence the cofferdam body 4.

The following is a method for installing and using the hydraulic engineering cofferdam composite type protection system, which comprises the following steps:

sequentially fixing a first seat body 11 and a second seat body 12 on soil in a hydraulic engineering construction water area, butting the first seat body 11 and the second seat body 12 to form a base 1, and penetrating a connecting rod into a through hole after comparing and leveling;

step two, mounting the rotating mechanism on the base 1, enabling the cofferdam abdicating groove to be opposite to the cofferdam regional groove 13, and connecting a slewing bearing of the rotating mechanism with the base 1;

step three, sequentially installing a first diversion side plate 31 and a second diversion side plate 32, connecting the first diversion side plate 31 and the second diversion side plate 32 with the rotating seat 21, then connecting one end part of the first diversion side plate 31 with one end part of the second diversion side plate 32 through a connecting piece 33, and connecting the other end part of the first diversion side plate 31 with the other end part of the second diversion side plate 32 through the connecting piece 33;

step four, extracting water in the protective cover;

step five, constructing a cofferdam body 4, wherein the cofferdam body 4 passes through the cofferdam regional groove 13 and the cofferdam abdicating groove, and the cofferdam body 4 is not contacted with the base 1 and the rotating seat 21;

and step six, carrying out hydraulic engineering construction in the cofferdam body 4, paying attention to timely discharging accumulated water in the protective cover in the construction process, detecting the water flow direction in time in the construction process, and driving the rotating mechanism according to the water flow direction to adjust the direction of the protective cover so that the first end 38 of the protective cover faces the water flow direction.

In the description of the present specification, reference to the terms "one embodiment," "example," "specific example," and the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. A hydraulic engineering cofferdam combined type protection system which is characterized in that: comprising

The base (1), base (1) includes first pedestal (11) and second pedestal (12), all is equipped with a plurality of stock (14) perpendicularly on first pedestal (11) and the second pedestal (12), has still offered on first pedestal (11) and the second pedestal (12) to the interface, and first pedestal (11) and second pedestal (12) butt joint form base (1) and two butt joint mouthfuls butt joint form cofferdam regional groove (13);

the protection mechanism (3) is arranged on the base (1), the protection mechanism (3) comprises a first flow guiding side plate (31), a second flow guiding side plate (32) and a connecting piece (33), two end parts of the first flow guiding side plate (31) are respectively connected with two end parts of the second flow guiding side plate (32) through the connecting piece (33), and the first flow guiding side plate (31) and the second flow guiding side plate (32) are in butt joint to form a cylindrical flow guiding cover; the first diversion side plate (31) and the second diversion side plate (32) are cambered surface plates, the horizontal cross section of the diversion cover gradually decreases from bottom to top, the diversion cover is provided with a first end (38) and a second end (39), the two connecting pieces (33) are respectively positioned at the first end (38) and the second end (39) of the diversion cover, and the first end (38) is the end of the diversion cover facing the water flow; the first diversion side plate (31) and the second diversion side plate (32) are respectively provided with a diversion component force structure, the diversion component force structure comprises a diversion component force plate (34), the upper plate surface of the diversion component force plate (34) is provided with a component force inclined plane, and the component force inclined plane faces water flow to the direction;

the cofferdam body (4), cofferdam body (4) set up in cofferdam regional groove (13) and lie in between first water conservancy diversion curb plate (31) and second water conservancy diversion curb plate (32).

2. The hydraulic engineering cofferdam composite type protection system according to any one of claims 1, which is characterized in that: the connecting piece (33) comprises a connecting block (331) and a top plate (332), two T-shaped grooves are formed in the connecting block (331), the two T-shaped grooves are symmetrically formed and are respectively communicated with two opposite side surfaces of the connecting block (331), the top plate (332) is arranged in each T-shaped groove, and the top plate (332) is connected with the bottoms of the T-shaped grooves through a plurality of springs;

both ends of the first diversion side plate (31) and both ends of the second diversion side plate (32) are vertically and fixedly provided with clamping plates which are correspondingly matched with the T-shaped grooves.

3. The hydraulic engineering cofferdam composite type protection system as set forth in claim 2, wherein: the connecting piece (33) also comprises sealing blocks (333), the two sealing blocks (333) are symmetrically arranged at two sides of the connecting block (331) respectively, the notch of the T-shaped groove is positioned between the two sealing blocks (333),

the sealing block (333) is triangular prism-shaped, one side surface of the sealing block (333) is a butt joint surface, a connecting groove suitable for embedding the connecting block (331) is formed in the butt joint surface, and inclined surfaces which are inclined to the side where the connecting groove is formed on two sides of the connecting groove on the butt joint surface.

4. The hydraulic engineering cofferdam composite type protection system according to any one of claims 1, which is characterized in that: through holes are formed in the first seat body (11) and the second seat body (12), the through holes of the first seat body (11) correspond to the through holes of the second seat body (12), the base (1) further comprises a connecting rod, and the connecting rod penetrates through the through holes of the first seat body (11) and the through holes of the second seat body (12).

5. A hydraulic engineering cofferdam composite type protection system according to any one of claims 1-4, which is characterized in that: the protection device also comprises a rotating mechanism, wherein the rotating mechanism is arranged on the base (1), and the protection mechanism is arranged on the base (1) through the rotating mechanism.

6. The hydraulic engineering cofferdam composite type protection system as set forth in claim 5, wherein: the rotary mechanism comprises a rotary seat (21) and a rotary power piece, wherein a cofferdam yielding groove is formed in the rotary seat (21), the rotary seat (21) is rotatably arranged on the base (1) through a rotary piece and is driven to rotate by the rotary power piece, the cofferdam yielding groove is opposite to the cofferdam regional groove (13), and the first diversion side plate (31) and the second diversion side plate (32) are both arranged on the rotary seat (21).

7. The hydraulic engineering cofferdam composite type protection system as set forth in claim 6, wherein: all connect through a plurality of elastic support rod (35) between first water conservancy diversion curb plate (31) and roating seat (21), between second water conservancy diversion curb plate (32) and roating seat (21), elastic support rod (35) are including last branch, lower branch and spring, have seted up the connecting hole in the last branch, and the connecting hole runs through the bottom of last branch, and the top of lower branch penetrates the connecting hole and passes through spring coupling with last branch.

8. The hydraulic engineering cofferdam composite type protection system as set forth in claim 7, wherein: reinforcing frames are fixedly arranged on the first diversion side plate (31) and the second diversion side plate (32).

9. The hydraulic engineering cofferdam composite type protection system as set forth in claim 6, wherein: the lower part of first water conservancy diversion curb plate (31) and second water conservancy diversion curb plate (32) all is equipped with plugboard (36), is equipped with jack (37) on plugboard (36), has seted up the jack groove on roating seat (21), and the pole hole of wearing has all been seted up to the side of roating seat (21), wears pole hole and jack groove intercommunication and wears to insert in the pole hole and be equipped with the draw-in lever, and plugboard (36) of first water conservancy diversion curb plate (31) and second water conservancy diversion curb plate (32) all insert in jack groove on roating seat (21) to the draw-in lever passes jack (37) on corresponding plugboard (36).

10. The hydraulic engineering cofferdam composite type protection system as set forth in claim 9, wherein: the clamping rod is a threaded rod, and the rod penetrating hole is a threaded hole which is adaptive to the clamping rod.