CN114753390A - Adjustable water conservancy cofferdam - Google Patents
Adjustable water conservancy cofferdam Download PDFInfo
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- CN114753390A CN114753390A CN202210481503.XA CN202210481503A CN114753390A CN 114753390 A CN114753390 A CN 114753390A CN 202210481503 A CN202210481503 A CN 202210481503A CN 114753390 A CN114753390 A CN 114753390A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 238000010276 construction Methods 0.000 claims abstract description 20
- 239000002689 soil Substances 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 description 13
- 210000001503 joint Anatomy 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 210000004712 air sac Anatomy 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/16—Auxiliary devices rigidly or detachably arranged on sheet piles for facilitating assembly
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The application discloses an adjustable water conservancy cofferdam, which belongs to the technical field of water conservancy engineering construction and comprises a fixed plate, a rotating plate and a connecting plate buried in soil of a construction site, wherein the fixed plate is rotatably connected with a rotating shaft; the connecting plate is fixedly connected with the fixing plate; the fixed plate is provided with a connecting mechanism used for being connected with the rotating plate, and the fixed plate is also provided with an unlocking mechanism used for releasing the connecting action of the connecting mechanism. When the water level outside the cofferdam rises, the unlocking mechanism is utilized to release the connection effect of the connecting mechanism, so that the rotating plate can block water flow, and the possibility that the water flow enters the inside of the cofferdam is reduced.
Description
Technical Field
The application relates to the technical field of hydraulic engineering construction, in particular to an adjustable water conservancy cofferdam.
Background
The cofferdam is a temporary enclosure structure constructed for constructing permanent water conservancy facilities in the water conservancy project construction, and has the function of preventing water or soil from entering the construction position of a building so as to drain water in the cofferdam, excavate a foundation pit and construct the building.
In the related art, when the water conservancy cofferdam needs to be used, the bottoms of a plurality of steel plates are usually buried in the soil around a construction site before construction, so that the construction site can be surrounded by the plurality of steel plates, the plurality of steel plates are spliced with each other to form the cofferdam, the cofferdam surrounds the construction site into a closed space, and then water in the cofferdam is pumped away for construction.
With respect to the above-described related art, the inventors consider that the following drawbacks exist: in actual construction engineering, due to the influence of factors such as rainwater and flood tide, the water level outside the cofferdam may rise, and water flow outside the cofferdam may cross the cofferdam and enter the construction site, so that the construction efficiency of hydraulic engineering is reduced.
Disclosure of Invention
In order to reduce the inside possibility of rivers entering cofferdam, this application provides a water conservancy cofferdam with adjustable.
The application provides a water conservancy cofferdam with adjustable adopt following technical scheme:
an adjustable water conservancy cofferdam comprises a fixed plate, a rotating plate and a connecting plate buried in soil of a construction site, wherein the fixed plate is rotatably connected with a rotating shaft, the rotating plate is fixedly connected with the rotating shaft, the rotating shaft is fixedly connected with a torsional spring, and the torsional spring is fixedly connected with the fixed plate;
The connecting plate is fixedly connected with the fixing plate;
the fixed plate is provided with a connecting mechanism used for being connected with the rotating plate, and the fixed plate is also provided with an unlocking mechanism used for releasing the connecting effect of the connecting mechanism.
By adopting the technical scheme, firstly, a plurality of connecting plates are buried in soil at a construction site, and a plurality of fixing plates are vertically arranged and spliced with one another to form the cofferdam;
when the water level is normal, the height of the water level is lower than that of the fixed plate, and the rotating plate is connected with the fixed plate under the action of the connecting mechanism, so that the rotating plate is convenient to store and maintain;
when the water level risees gradually, in order to reduce the inside possibility of rivers entering cofferdam, under release mechanism's effect for the rotor plate no longer is connected with the fixed plate, and at this moment under the effect of torsional spring, the rotor plate rotates to vertical state, and thus when the water level highly surpassed the fixed plate height, the rotor plate can the separation rivers, reaches the purpose that reduces the inside possibility of rivers entering cofferdam, and then can improve hydraulic engineering's efficiency of construction.
Preferably, the connecting mechanism comprises a connecting block, a locking block and a first spring, the connecting block is fixedly connected with the rotating plate, a connecting groove is formed in the fixing plate, and the connecting block is matched with the connecting groove in an inserted manner;
A cavity is formed in the fixing plate, the locking block is connected with the inner wall of the cavity in a sliding mode, a locking groove is formed in the connecting block, and the locking block is matched with the locking groove in an inserting mode; the locking block is provided with an inclined surface, and the inclined surface of the locking block is arranged from one end far away from the connecting block to one end close to the connecting block in an inclined downward manner;
one end of the first spring is fixedly connected with the locking block, and the other end of the first spring is fixedly connected with the side wall of the cavity.
By adopting the technical scheme, in order to connect the rotating plate with the fixed plate, the rotating plate is firstly rotated, the rotating plate moves to drive the connecting block to move, the connecting block can be contacted with the inclined surface of the locking block in the process of splicing and matching the connecting block with the connecting groove, the connecting block can push the locking block to move under the action of the inclined surface of the locking block, and at the moment, the first spring is compressed;
when the connecting block moves to the locking block and is just opposite to the locking groove, under the elastic force action of the first spring, the locking block is in plug-in fit with the locking groove, so that the connecting block can be fixed in the connecting groove, and the purpose of connecting the rotating plate with the fixing plate is achieved.
Preferably, the unlocking mechanism comprises a connecting rod, a pushing rod and a first driving assembly, one end of the connecting rod is fixedly connected with the locking block, the other end of the connecting rod is fixedly connected with the pushing rod, and the pushing rod is slidably connected with the inner wall of the cavity;
The first driving component is used for driving the push rod to move.
By adopting the technical scheme, in order to remove the connecting effect of the connecting mechanism, the first driving component is firstly utilized to drive the push rod to move, the push rod moves to drive the connecting rod to move, and the connecting rod moves to drive the locking block to move, so that the locking block is separated from the locking groove, and the purpose of removing the connecting effect of the connecting mechanism is achieved.
Preferably, the first driving assembly comprises a sliding plate, an air bag and a first pushing plate, a holding groove is formed in the fixing plate, and the sliding plate is connected with the inner wall of the holding groove in a sliding manner;
the air bag is arranged in the accommodating groove, and the sliding plate is attached to the air bag; the first pushing plate is connected with the side wall of the accommodating groove in a sliding mode, the first pushing plate is attached to one end, close to the rotating plate, of the air bag, a second spring is fixedly connected to the first pushing plate, and the second spring is fixedly connected with the inner wall of the accommodating groove;
the first pushing plate is fixedly connected with a supporting rod, an inclined surface is arranged on the supporting rod, and the inclined surface of the supporting rod is arranged in an inclined downward manner from one end far away from the first pushing plate to one end close to the first pushing plate;
The push rod is provided with an inclined plane, and the inclined plane of the push rod is arranged downwards from one end close to the support rod to one end far away from the support rod in an inclined manner; the inclined plane of catch bar can with the inclined plane of bracing piece is laminated mutually.
By adopting the technical scheme, when the fixed plate is installed, the sliding plate is positioned on the opposite outer side of the cofferdam, so that the sliding plate can contact water flow;
in order to drive the pushing rods to move, in the process that the water level outside the cofferdam gradually rises, the water pressure on the sliding plate is gradually increased, the sliding plate moves towards the direction close to the air bag under the action of pressure, the air bag is extruded to push the first pushing plate to move, the second spring is stretched at the moment, the first pushing plate moves to drive the supporting rods to move, and the supporting rods move to push the pushing rods to move under the action of the inclined surfaces of the supporting rods and the inclined surfaces of the pushing rods, so that the purpose of driving the pushing rods to move is achieved;
when the water level descends, the water pressure borne by the sliding plate is gradually reduced, and the first pushing plate can be conveniently reset under the action of the air bag and the elastic force of the second spring.
Preferably, a reinforcing rod is hinged to the rotating plate, a sliding block is hinged to the reinforcing rod, a sliding groove is formed in the fixing plate, and the sliding block is connected with the inner wall of the sliding groove in a sliding mode;
And a second driving component for driving the sliding block to move is arranged on the fixed plate.
By adopting the technical scheme, in the process of gradually rising the water level, the slider is moved by the action of the second driving assembly, and the slider moves to drive the reinforcing rod to move, so that in the process of rotating the rotating plate, the reinforcing rod can be used for supporting the rotating plate;
when the rotor plate rotated to vertical direction, rotor plate and fixed plate homoenergetic were supported tightly with the anchor strut to can strengthen the stability of rotor plate.
Preferably, the second driving assembly comprises a first pulley, a second pulley and a pull rope, the first pulley and the second pulley are rotatably connected with the fixing plate, and the first pulley and the second pulley are matched with the pull rope;
one end of the pull rope is fixedly connected with the sliding block, and the other end of the pull rope is fixedly connected with the first pushing plate.
By adopting the technical scheme, in order to drive the sliding block to move, the first pushing plate moves to drive the pull rope to move, and the pull rope moves to drive the sliding block to move;
the first pulley and the second pulley can change the moving direction of the pull rope, so that the first push plate can drive the sliding block to move conveniently.
Preferably, fixedly connected with butt joint board on the rotor plate, the rotor plate is kept away from the one end of butt joint board has seted up the butt joint groove, the butt joint board can with adjacent on the rotor plate the butt joint groove looks butt.
Through adopting above-mentioned technical scheme, when a plurality of rotor plates rotated to vertical state, the butt board can support tightly mutually with the butt groove on the adjacent rotor plate, utilizes the effect of butt board, can reduce rivers and pass through the gap between the adjacent rotor plate, get into the inside possibility in cofferdam.
Preferably, an adjusting groove is formed in the connecting plate, a fixing column is arranged in the adjusting groove, and the fixing column is connected with the inner wall of the adjusting groove in a sliding manner;
a third spring is fixedly connected to the fixed column and is fixedly connected with the inner wall of the adjusting groove;
and a driving mechanism for driving the fixed column to move is arranged in the adjusting groove.
By adopting the technical scheme, in the process of gradually rising the water level, the driving mechanism is utilized to drive the fixed column to gradually move to the soil, at the moment, the third spring is stretched, and the connection strength between the connecting plate and the soil can be enhanced by utilizing the action of the fixed column, so that the stability of the fixed plate is improved;
When the water level descends again, the reset of the fixed column can be facilitated under the elastic action of the third spring.
Preferably, the driving mechanism comprises a first rack, a gear and a third driving assembly, an adjusting cavity is formed in the connecting plate, the first rack penetrates through the side wall of the adjusting cavity, and the first rack is connected with the connecting plate in a sliding manner;
the gear is rotationally connected with the inner wall of the adjusting cavity, a second rack is fixedly connected to the fixing column, and the first rack and the second rack are both meshed with the gear;
the third driving assembly is used for driving the first rack to move.
By adopting the technical scheme, in order to drive the fixed column to move, when the water level gradually rises, the third driving assembly is utilized to drive the first rack to move, the first rack moves to drive the gear to rotate, the gear rotates to drive the second rack to move, and the second rack moves to drive the fixed column to move, so that the purpose of driving the fixed column to move is achieved.
Preferably, the third driving assembly comprises a second pushing plate and a pushing strip, the second pushing plate is connected with the side wall of the accommodating groove in a sliding mode, and the second pushing plate is attached to one end, far away from the rotating plate, of the air bag;
A fourth spring is fixedly connected to the second pushing plate and fixedly connected with the inner wall of the accommodating groove;
one end of the pushing strip is fixedly connected with the second pushing plate, and the other end of the pushing strip is fixedly connected with the first rack.
By adopting the technical scheme, when the water level is normal, the possibility of movement of the second pushing plate can be reduced under the action of the elastic force of the fourth spring;
when the water level gradually rises, in order to drive the first rack to move, the sliding plate moves to extrude the air bag, the air bag is extruded to push the second pushing plate to move, the fourth spring is compressed at the moment, the second pushing plate moves to drive the pushing strip to move, and the pushing strip moves to drive the first rack to move, so that the aim of driving the first rack to move is fulfilled;
when the water level descends again, the second pushing plate can be conveniently reset under the action of the elastic force of the fourth spring.
In summary, the present application includes at least one of the following beneficial technical effects:
1. firstly, burying a plurality of connecting plates in soil at a construction site, and vertically arranging and mutually splicing a plurality of fixing plates to form a cofferdam;
when the water level is normal, the height of the water level is lower than that of the fixed plate, and the rotating plate is connected with the fixed plate under the action of the connecting mechanism, so that the rotating plate is convenient to store and maintain;
When the water level gradually rises, in order to reduce the possibility that water flow enters the interior of the cofferdam, the rotating plate is not connected with the fixed plate under the action of the unlocking mechanism, and the rotating plate rotates to be in a vertical state under the action of the torsion spring, so that the rotating plate can block the water flow when the water level exceeds the height of the fixed plate, and the purpose of reducing the possibility that the water flow enters the interior of the cofferdam is achieved;
2. when the fixed plate is installed, the sliding plate is positioned at the opposite outer side of the cofferdam so that the sliding plate can contact the water flow;
in order to drive the pushing rods to move, in the process that the water level outside the cofferdam gradually rises, the water pressure on the sliding plate is gradually increased, the sliding plate moves towards the direction close to the air bag under the action of pressure, the air bag is extruded to push the first pushing plate to move, the second spring is stretched at the moment, the first pushing plate moves to drive the supporting rods to move, and the supporting rods move to push the pushing rods to move under the action of the inclined surfaces of the supporting rods and the inclined surfaces of the pushing rods, so that the purpose of driving the pushing rods to move is achieved;
when the water level is lowered, the water pressure borne by the sliding plate is gradually reduced, and the first pushing plate can be conveniently reset under the action of the air bag and the elastic force of the second spring;
3. In the process of gradually rising the water level, the slide block moves under the action of the second driving assembly, and the slide block moves to drive the reinforcing rod to move, so that the reinforcing rod can support the rotating plate in the rotating process of the rotating plate;
when the rotor plate rotated to vertical direction, rotor plate and fixed plate homoenergetic were supported tightly with the anchor strut to can strengthen the stability of rotor plate.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a sectional view of a fixing plate in the embodiment of the present application.
Fig. 3 is a sectional view of a fixed plate and a rotating plate in the embodiment of the present application.
FIG. 4 is a schematic view of a convex abutment plate in an embodiment of the present application.
Fig. 5 is a sectional view of a fixing plate and a connecting plate in the embodiment of the present application.
Description of reference numerals:
1. a fixing plate; 11. a rotating shaft; 12. a torsion spring; 13. connecting grooves; 14. a cavity; 15. accommodating grooves; 151. a limiting groove; 16. a chute; 17. an accommodating chamber; 2. a rotating plate; 21. an extension plate; 22. a reinforcing rod; 23. a slider; 24. a butt joint plate; 25. a butt joint groove; 3. a connecting plate; 31. an adjustment groove; 32. fixing a column; 321. a columnar portion; 322. a tapered portion; 33. a third spring; 34. an adjustment chamber; 4. a connecting mechanism; 41. connecting blocks; 411. a locking groove; 42. a locking block; 43. a first spring; 5. an unlocking mechanism; 51. a connecting rod; 52. a push rod; 53. a first drive assembly; 531. a sliding plate; 532. an air bag; 533. a first push plate; 534. a limiting block; 535. a first reset plate; 536. a second spring; 537. a support bar; 6. a second drive assembly; 61. a first pulley; 62. a second pulley; 63. pulling a rope; 7. a drive mechanism; 71. a first rack; 72. a gear; 73. a third drive assembly; 731. a second pusher plate; 732. a push bar; 733. a second reset plate; 734. a fourth spring; 74. a second rack.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses water conservancy cofferdam with adjustable. Referring to fig. 1, the adjustable water conservancy cofferdam comprises a fixed plate 1, a rotating plate 2 and a connecting plate 3, wherein the top of the fixed plate 1 is rotatably connected with a rotating shaft 11, the rotating plate 2 is fixedly connected with the rotating shaft 11, the rotating shaft 11 is fixedly connected with two torsional springs 12, and the two torsional springs 12 are both fixedly connected with the fixed plate 1; an extension plate 21 is integrally formed below the rotating plate 2, and the extension plate 21 can shield a gap between the fixed plate 1 and the rotating plate 2; the connecting plate 3 is fixedly arranged below the fixing plate 1.
When the water conservancy cofferdam is used, the connecting plates 3 are embedded in soil at the construction site, the fixing plates 1 are vertically arranged and are mutually spliced to form the cofferdam, and the adjacent connecting plates 3 can be mutually attached; when the water level gradually rises, in order to reduce the possibility that water flow enters the interior of the cofferdam, the plurality of rotating plates 2 are rotated to be in a vertical state under the action of the torsion spring 12, at the moment, the extension plate 21 can improve the sealing performance between the rotating plates 2 and the fixed plate 1, and the adjacent rotating plates 2 can be attached to each other; therefore, when the water level exceeds the height of the fixed plate 1, the rotating plate 2 can block water flow, and the purpose of reducing the possibility that the water flow enters the inner part of the cofferdam is achieved.
As shown in fig. 2 and 3, the fixing plate 1 is provided with a connecting mechanism 4, the connecting mechanism 4 includes a connecting block 41, a locking block 42 and a first spring 43, the connecting block 41 is fixedly mounted at one end of the rotating plate 2 far away from the hinge point, the fixing plate 1 is provided with a connecting groove 13, the connecting block 41 is in insertion fit with the connecting groove 13, and the size of the connecting groove 13 is slightly larger than that of the connecting block 41, so that the connecting block 41 can rotate into the connecting groove 13;
the top of the fixing plate 1 is provided with a cavity 14, the locking block 42 is connected with the inner wall of the cavity 14 in a sliding manner, the locking block 42 penetrates through the side wall of the cavity 14, and a part of the locking block 42 is positioned in the connecting groove 13; a locking groove 411 is formed in the connecting block 41, and the locking block 42 can be in inserted fit with the locking groove 411; the locking block 42 is provided with an inclined surface, and the inclined surface of the locking block 42 is arranged obliquely downwards from one end far away from the connecting block 41 to one end close to the connecting block 41;
one end of the first spring 43 is fixedly connected with the side wall of the locking block 42, and the other end of the first spring 43 is fixedly connected with the inner wall of the cavity 14.
When the water level is normal, the rotating plate 2 is rotated, the rotating plate 2 moves to drive the connecting block 41 to move, in the process that the connecting block 41 is in inserting fit with the connecting groove 13, the connecting block 41 can be in contact with the inclined surface of the locking block 42, under the action of the inclined surface of the locking block 42, the connecting block 41 can push the locking block 42 to move, and at the moment, the first spring 43 is compressed;
When the connecting block 41 moves to the locking block 42 to face the locking groove 411, under the elastic force action of the first spring 43, the locking block 42 is in insertion fit with the locking groove 411, so that the connecting block 41 can be fixed in the connecting groove 13, and the rotating plate 2 is connected with the fixing plate 1, so that the accommodating and maintenance of the rotating plate 2 are facilitated when the water level is normal.
As shown in fig. 2 and 3, an unlocking mechanism 5 is further disposed on the fixing plate 1, the unlocking mechanism 5 includes a connecting rod 51, a pushing rod 52 and a first driving assembly 53, one end of the connecting rod 51 is fixedly connected to the locking block 42, the other end of the connecting rod 51 is fixedly connected to the pushing rod 52, and the pushing rod 52 is slidably connected to the inner wall of the cavity 14.
As shown in fig. 2 and 3, the first driving assembly 53 includes a sliding plate 531, an air bag 532 and a first pushing plate 533, wherein a receiving groove 15 is formed in the fixed plate 1, and the receiving groove 15 is communicated with the cavity 14; the sliding plate 531 is connected with the side wall of the accommodating groove 15 in a sliding manner, the limiting block 534 is fixedly connected to the sliding plate 531, the limiting groove 151 is formed in the side wall of the accommodating groove 15, and the limiting block 534 is connected with the inner wall of the limiting groove 151 in a sliding manner; the stopper 534 can reduce the possibility that the sliding plate 531 is separated from the fixed plate 1.
As shown in fig. 2 and 3, the airbag 532 is disposed within the receiving groove 15, the sliding plate 531 is attached to the side of the airbag 532, the first push plate 533 is slidably connected to the side wall of the receiving groove 15, and the first push plate 533 is attached to the top of the airbag 532; a first restoring plate 535 is fixedly connected to the first pushing plate 533, a second spring 536 is fixedly connected to the first restoring plate 535, and the second spring 536 is fixedly connected to the inner wall of the accommodating groove 15.
As shown in fig. 2 and 3, a support rod 537 is fixedly connected to the top of the first push plate 533, the support rod 537 is provided with an inclined surface, and the inclined surface of the support rod 537 is arranged obliquely downward from one end far away from the first push plate 533 to one end close to the first push plate 533; the push rod 52 is provided with an inclined surface, the inclined surface of the push rod 52 is arranged from one end close to the support rod 537 to one end far away from the support rod 537, and the inclined surface of the push rod 52 can be attached to the inclined surface of the support rod 537.
When the cofferdam is spliced by a plurality of fixed plates 1, the sliding plates 531 on the fixed plates 1 are positioned at the opposite outer sides of the cofferdam so that the sliding plates 531 can contact the water flow;
in the process that the water level outside the cofferdam gradually rises, the water pressure on the sliding plate 531 is gradually increased, under the action of the pressure, the sliding plate 531 slides towards the direction close to the air bag 532, the air bag 532 is squeezed to push the first pushing plate 533 to move, at the moment, the second spring 536 is stretched, the first pushing plate 533 moves to drive the supporting rod 537 to move, under the action of the inclined surface of the supporting rod 537 and the inclined surface of the pushing rod 52, the supporting rod 537 moves to push the pushing rod 52 to move, the pushing rod 52 moves to drive the connecting rod 51 to move, the connecting rod 51 moves to drive the locking block 42 to move, so that the locking block 42 can be separated from the locking groove 411, and the rotating plate 2 is not connected with the fixed plate 1;
When the water level drops, the water pressure received by the sliding plate 531 is gradually reduced, and the restoration of the first push plate 533 can be facilitated by the elastic force of the balloon 532 itself and the second spring 536.
As shown in fig. 2 and fig. 3, a reinforcing rod 22 is hinged on the rotating plate 2, a sliding block 23 is hinged at one end of the reinforcing rod 22 far away from the rotating plate 2, a sliding groove 16 is formed in the top of the fixing plate 1, and the sliding block 23 is connected with the inner wall of the sliding groove 16 in a sliding manner.
As shown in fig. 2 and 3, a second driving assembly 6 is arranged on the fixing plate 1, the second driving assembly 6 includes a first pulley 61, a second pulley 62 and a pull rope 63, an accommodating cavity 17 is formed in the fixing plate 1, and both the first pulley 61 and the second pulley 62 are rotatably connected with the inner wall of the accommodating cavity 17;
one end of the pulling rope 63 is fixedly connected with the sliding block 23, the pulling rope 63 penetrates through the inner wall of the sliding chute 16 and the inner wall of the accommodating cavity 17, the pulling rope 63 is sequentially matched with the first pulley 61 and the second pulley 62, and finally penetrates through the inner wall of the accommodating cavity 17 and the inner wall of the accommodating groove 15 and is fixedly connected with the first pushing plate 533.
In the process of gradually increasing the water level, the first pushing plate 533 moves to drive the pulling rope 63 to move, the pulling rope 63 moves to drive the sliding block 23 to move, and the moving direction of the pulling rope 63 can be changed by using the first pulley 61 and the second pulley 62, so that the first pushing plate 533 can conveniently drive the sliding block 23 to move; the slide block 23 moves to drive the reinforcing rod 22 to move, so that the reinforcing rod 22 can be used for supporting the rotating plate 2 in the rotating process of the rotating plate 2;
When the rotating plate 2 rotates to the vertical direction, both the rotating plate 2 and the fixing plate 1 can abut against the reinforcing rod 22, so that the stability of the rotating plate 2 can be enhanced.
As shown in fig. 1 and 4, the rotating plate 2 is integrally formed with an abutting plate 24, an abutting groove 25 is formed at one end of the rotating plate 2 away from the abutting plate 24, and the abutting plate 24 can abut against the abutting groove 25 on the adjacent rotating plate 2; by utilizing the function of the abutting plate 24, the sealing performance between two adjacent rotating plates 2 can be enhanced, and the possibility of water flow entering the inner part of the cofferdam is reduced.
As shown in fig. 2 and 5, an adjusting groove 31 is formed in the connecting plate 3, a fixing column 32 is arranged in the adjusting groove 31, and the fixing column 32 is slidably connected with the inner wall of the adjusting groove 31; the fixing post 32 comprises a post portion 321 and a taper portion 322, the third spring 33 is fixedly connected to the post portion 321, and the third spring 33 is fixedly connected to the inner wall of the adjusting groove 31.
As shown in fig. 2 and 5, a driving mechanism 7 is arranged in the adjusting groove 31, the driving mechanism 7 includes a first rack 71, a gear 72 and a third driving assembly 73, an adjusting cavity 34 is formed in the connecting plate 3, the adjusting cavity 34 is communicated with the adjusting groove 31, the first rack 71 penetrates through the side wall of the adjusting cavity 34, the gear 72 is rotatably connected with the inner wall of the adjusting cavity 34, a second rack 74 is fixedly connected to the top of the fixing column 32, and both the first rack 71 and the second rack 74 are engaged with the gear 72.
As shown in fig. 2 and 5, the third driving assembly 73 includes a second pushing plate 731 and a pushing bar 732, the second pushing plate 731 is slidably connected to the side wall of the accommodating groove 15, and the second pushing plate 731 is attached to the bottom of the air bag 532; the second pushing plate 731 is fixedly connected with a second reset plate 733, the second reset plate 733 is fixedly connected with a fourth spring 734, and the fourth spring 734 is fixedly connected with the inner wall of the accommodating groove 15; the top of the push bar 732 is fixedly connected with the bottom of the second push plate 731, and the bottom of the push bar 732 is fixedly connected with the top of the first rack 71.
When the water level is normal, under the action of the elastic force of the fourth spring 734, the possibility that the second pushing plate 731 is influenced by the gravity of the airbag 532 to move can be reduced;
when the water level gradually rises, the sliding plate 531 moves to press the air bladder 532, the air bladder 532 is pressed to push the second push plate 731 to move, and the fourth spring 734 is compressed; the second pushing plate 731 moves to drive the pushing strip 732 to move, the pushing strip 732 moves to drive the first rack 71 to move, the first rack 71 moves to drive the gear 72 to rotate, the gear 72 rotates to drive the second rack 74 to move, the second rack 74 moves to drive the fixing column 32 to move to soil, at the moment, the third spring 33 is stretched, and the connection strength between the connecting plate 3 and the soil can be enhanced by utilizing the action of the fixing column 32, so that the stability of the fixing plate 1 is improved;
When the water level descends again, the fixed column 32 can be conveniently reset under the elastic force of the third spring 33, and the second push plate 731 can be conveniently reset under the elastic force of the fourth spring 734.
The water conservancy cofferdam's with adjustable implementation principle does in this application embodiment: firstly, a plurality of connecting plates 3 are buried in soil of a construction site, a plurality of fixed plates 1 can be spliced with one another to form a cofferdam, and at the moment, the rotating plates 2 are connected with the fixed plates 1 under the action of a connecting mechanism 4, so that the rotating plates 2 can be maintained and stored conveniently; in the process of gradually increasing the water level, the pressure applied to the sliding plate 531 is gradually increased, the sliding plate 531 presses the air bag 532, the air bag 532 pushes the first pushing plate 533 to move, the rotating plate 2 is not connected with the fixed plate 1 by using the unlocking mechanism 5, and the rotating plate 2 is rotated to be in a vertical state by using the action of the torsion spring 12, so that the possibility that water flow crosses the fixed plate 1 and enters the inner part of the cofferdam can be reduced; meanwhile, the air bag 532 pushes the second pushing plate 731 to move, and the fixing column 32 enters the soil through the driving mechanism 7, so that the connection strength between the fixing plate 1 and the soil can be enhanced when the water level rises.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. An adjustable water conservancy cofferdam is characterized in that: the soil-working machine comprises a fixed plate (1), a rotating plate (2) and a connecting plate (3) buried in soil of a construction site, wherein a rotating shaft (11) is rotatably connected to the fixed plate (1), the rotating plate (2) is fixedly connected with the rotating shaft (11), a torsion spring (12) is fixedly connected to the rotating shaft (11), and the torsion spring (12) is fixedly connected with the fixed plate (1);
the connecting plate (3) is fixedly connected with the fixing plate (1);
the fixing plate (1) is provided with a connecting mechanism (4) used for being connected with the rotating plate (2), and the fixing plate (1) is further provided with an unlocking mechanism (5) used for releasing the connecting effect of the connecting mechanism (4).
2. The adjustable water conservancy cofferdam of claim 1 wherein: the connecting mechanism (4) comprises a connecting block (41), a locking block (42) and a first spring (43), the connecting block (41) is fixedly connected with the rotating plate (2), a connecting groove (13) is formed in the fixed plate (1), and the connecting block (41) is in inserting fit with the connecting groove (13);
a cavity (14) is formed in the fixing plate (1), the locking block (42) is in sliding connection with the inner wall of the cavity (14), a locking groove (411) is formed in the connecting block (41), and the locking block (42) is in inserting fit with the locking groove (411); the locking block (42) is provided with an inclined surface, and the inclined surface of the locking block (42) is arranged downwards from one end far away from the connecting block (41) to one end close to the connecting block (41);
One end of the first spring (43) is fixedly connected with the locking block (42), and the other end of the first spring (43) is fixedly connected with the side wall of the cavity (14).
3. The adjustable water conservancy cofferdam of claim 2 wherein: the unlocking mechanism (5) comprises a connecting rod (51), a pushing rod (52) and a first driving assembly (53), one end of the connecting rod (51) is fixedly connected with the locking block (42), the other end of the connecting rod (51) is fixedly connected with the pushing rod (52), and the pushing rod (52) is connected with the inner wall of the cavity (14) in a sliding manner;
the first driving assembly (53) is used for driving the pushing rod (52) to move.
4. The adjustable water conservancy cofferdam of claim 3 wherein: the first driving assembly (53) comprises a sliding plate (531), an air bag (532) and a first pushing plate (533), an accommodating groove (15) is formed in the fixed plate (1), and the sliding plate (531) is connected with the inner wall of the accommodating groove (15) in a sliding mode;
the air bag (532) is arranged in the accommodating groove (15), and the sliding plate (531) is attached to the air bag (532); the first pushing plate (533) is in sliding connection with the side wall of the accommodating groove (15), the first pushing plate (533) is attached to one end, close to the rotating plate (2), of the airbag (532), a second spring (536) is fixedly connected to the first pushing plate (533), and the second spring (536) is fixedly connected to the inner wall of the accommodating groove (15);
A support rod (537) is fixedly connected to the first push plate (533), an inclined surface is arranged on the support rod (537), and the inclined surface of the support rod (537) is arranged in an inclined manner downwards from one end far away from the first push plate (533) to one end close to the first push plate (533);
the push rod (52) is provided with an inclined surface, and the inclined surface of the push rod (52) is arranged in an inclined and downward manner from one end close to the supporting rod (537) to one end far away from the supporting rod (537); the inclined plane of the push rod (52) can be attached to the inclined plane of the support rod (537).
5. The adjustable water conservancy cofferdam of claim 1, wherein: a reinforcing rod (22) is hinged to the rotating plate (2), a sliding block (23) is hinged to the reinforcing rod (22), a sliding groove (16) is formed in the fixing plate (1), and the sliding block (23) is connected with the inner wall of the sliding groove (16) in a sliding mode;
and a second driving component (6) for driving the sliding block (23) to move is arranged on the fixed plate (1).
6. The adjustable water conservancy cofferdam of claim 4 or 5 wherein: the second driving assembly (6) comprises a first pulley (61), a second pulley (62) and a pull rope (63), the first pulley (61) and the second pulley (62) are rotatably connected with the fixing plate (1), and the first pulley (61) and the second pulley (62) are matched with the pull rope (63);
One end of the pull rope (63) is fixedly connected with the sliding block (23), and the other end of the pull rope (63) is fixedly connected with the first pushing plate (533).
7. The adjustable water conservancy cofferdam of claim 1 wherein: the supporting plate is characterized in that a supporting plate (24) is fixedly connected to the rotating plate (2), a supporting groove (25) is formed in one end, away from the supporting plate (24), of the rotating plate (2), and the supporting plate (24) can be abutted to the supporting groove (25) in the rotating plate (2) in an adjacent mode.
8. The adjustable water conservancy cofferdam of claim 1 wherein: an adjusting groove (31) is formed in the connecting plate (3), a fixing column (32) is arranged in the adjusting groove (31), and the fixing column (32) is connected with the inner wall of the adjusting groove (31) in a sliding mode;
a third spring (33) is fixedly connected to the fixing column (32), and the third spring (33) is fixedly connected with the inner wall of the adjusting groove (31);
and a driving mechanism (7) for driving the fixed column (32) to move is arranged in the adjusting groove (31).
9. The adjustable water conservancy cofferdam of claim 8, wherein: the driving mechanism (7) comprises a first rack (71), a gear (72) and a third driving assembly (73), an adjusting cavity (34) is formed in the connecting plate (3), the first rack (71) penetrates through the side wall of the adjusting cavity (34), and the first rack (71) is connected with the connecting plate (3) in a sliding mode;
The gear (72) is rotationally connected with the inner wall of the adjusting cavity (34), a second rack (74) is fixedly connected to the fixing column (32), and the first rack (71) and the second rack (74) are both meshed with the gear (72);
the third driving assembly (73) is used for driving the first rack (71) to move.
10. The adjustable water conservancy cofferdam according to claim 4 or 9, characterized in that: the third driving assembly (73) comprises a second pushing plate (731) and a pushing strip (732), the second pushing plate (731) is connected with the side wall of the accommodating groove (15) in a sliding mode, and the second pushing plate (731) is attached to one end, away from the rotating plate (2), of the air bag (532);
a fourth spring (734) is fixedly connected to the second pushing plate (731), and the fourth spring (734) is fixedly connected with the inner wall of the accommodating groove (15);
one end of the pushing strip (732) is fixedly connected with the second pushing plate (731), and the other end of the pushing strip (732) is fixedly connected with the first rack (71).
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| CN202210481503.XA CN114753390B (en) | 2022-05-05 | 2022-05-05 | Water conservancy cofferdam with adjustable |
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| CN202210481503.XA CN114753390B (en) | 2022-05-05 | 2022-05-05 | Water conservancy cofferdam with adjustable |
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Cited By (1)
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|---|---|---|---|---|
| CN115262581A (en) * | 2022-08-26 | 2022-11-01 | 江苏环盛建设工程有限公司 | Foundation pit supporting system applying beam string |
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| CN114753390B (en) | 2024-02-09 |
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