Water conservancy construction cofferdam reinforcing structure

Abstract

The utility model discloses a cofferdam reinforcing structure for water conservancy construction, and relates to the technical field of cofferdam reinforcing structures. The device comprises a bottom plate, a barrier plate, a lifting column, a lifting head, a rotary supporting rod and a base, the lifting column is installed at the top of the bottom plate, and an annular box is installed at the top of the bottom plate. During use, the threaded block can be moved through the rotating plate and the lead screw, the multiple universal wheels can move up and down through movement of the threaded block, and then the universal wheels make contact with the ground or are stored, so that the multiple universal wheels do not need to be mounted and dismounted in sequence, and the labor intensity of workers is reduced; when the universal wheels are stored, limiting blocks firstly make contact with the ground and are inserted into soil, at the moment, threaded blocks continue to rise, limiting plates move through annular plates, pull plates, pull rods, second trapezoidal blocks and extrusion blocks, then the limiting plates are inserted into the soil, and therefore when the universal wheels are stored, pulling resistance is increased for the bottom plate, and the overall reinforcing structure is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of cofferdam reinforcement structures, in particular to a water conservancy construction cofferdam reinforcement structure. Background Art

[0002] In the construction of water conservancy projects, cofferdams are used to prevent water and soil from flowing into the construction site of the building, so that construction workers can carry out construction on the back side of the cofferdam. In order to reduce the possibility of the cofferdam being washed away by the water flow, a reinforcement structure is generally set on the back side of the cofferdam to improve the structural strength of the cofferdam.

[0003] The patent with publication number CN218060363U in the prior art discloses a reinforcement structure for a water conservancy construction cofferdam, which facilitates the movement of the reinforcement structure through a blocking plate, a connecting rod, a lifting head, a rotating support rod, a lifting column, a bottom rotating connecting piece, a lifting ladder, a protective net, a rotating connecting rod, a rotating limit piece, a base, and a roller, while providing a higher lateral support force. However, in actual use, the roller is installed on the rotating connecting rod through bolts and roller brackets. Before and after each transfer, multiple rollers need to be installed and disassembled in turn by tools, which increases the work intensity. Moreover, it is simply connected to the ground through ground nails, and has poor pull-out resistance. When the water flow impacts the cofferdam, it is easy to cause the ground nails to move out of the ground, which is inconvenient to use. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a water conservancy construction cofferdam reinforcement structure to solve the problems that the roller needs to be repeatedly disassembled and installed before and after each transfer and the pull-out resistance is poor.

[0005] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions: a water conservancy construction cofferdam reinforcement structure, including a bottom plate, a blocking plate, a lifting column, a lifting head, a rotating support rod and a base, the lifting column is installed on the top of the bottom plate, and an annular box is installed on the top of the bottom plate, and a movable limiting mechanism is arranged on the annular box;

[0006] The movable limiting mechanism includes three movable blocks arranged in the annular box, three movable holes matched with the movable blocks are opened at the bottom of the bottom plate, universal wheels are installed at the bottom of the three movable blocks, three limiting blocks are installed at the bottom of the bottom plate, limiting cavities are opened on the three limiting blocks, two sliding rods are installed on the relative inner walls of the three limiting cavities, a U-shaped plate is slidably sleeved on every two matching sliding rods, limiting plates are installed on the sides of the multiple U-shaped plates, avoidance holes matched with the limiting plates are opened on the sides of the three limiting blocks away from each other, and a driving component is provided on the annular box to enable the multiple movable blocks and the multiple U-shaped plates to move successively.

[0007] Preferably, the driving assembly includes three screw rods rotatably mounted on the inner wall of the top of the annular box, wherein the threads of one screw rod and the other two screw rods are arranged oppositely, the top end of one screw rod extends outside the annular box and is installed with a rotating plate, the three screw rods are all threadedly sleeved with threaded blocks, the three moving blocks are respectively installed at the bottom of the three threaded blocks, the three screw rods are installed through a transmission unit, the tops of the three threaded blocks are jointly installed with an annular plate, the tops of the three limit blocks are all opened with pulling holes, the three pulling holes are all slidably installed with pull rods, the top of the bottom plate, The top of the annular box and the bottom of the annular plate are each provided with three through holes that are compatible with the pull rods, the top ends of the three pull rods are installed with pressing plates, the top of the annular box is installed with three fixed rods, the tops of the three fixed rods are rotatably installed with partitions, the three pull rods are each provided with a pull plate, the sides of the multiple U-shaped plates are each installed with a first trapezoidal block and a second trapezoidal block, the bottom ends of the three pull rods extend into three limiting cavities respectively and are installed with extrusion blocks that are compatible with the second trapezoidal block, and the bottoms of the three extrusion blocks are each installed with two extrusion plates that are compatible with the first trapezoidal block.

[0008] Preferably, the transmission unit comprises circular gears respectively mounted on the three screw rods, the inner wall of the circumferential side of the annular box is rotatably mounted with an annular gear, and the three circular gears are all meshed with the annular gear.

[0009] Preferably, three guide rods are installed on the top inner wall of the annular box, and guide holes are opened on the tops of the three threaded blocks, and the three guide rods pass through the three guide holes respectively.

[0010] Preferably, a driving groove is provided on the top of the rotating plate, a threaded hole connected to the driving groove is provided on the outer wall of the rotating plate, a bolt is threadedly installed on the threaded hole, a clamping plate is installed on the end of the bolt, and a fixing plate is installed on the top of the annular box, and the clamping plate is tightly pressed against the fixing plate.

[0011] Preferably, the bottoms of the three limiting blocks and the sides of the plurality of limiting plates are all arranged in a triangular shape.

[0012] The beneficial effects of the utility model are as follows:

[0013] The utility model can move the threaded block through the rotating plate and the screw rod, and the movement of the threaded block will cause the moving block to rise and fall, and the rising and falling of the moving block will cause multiple universal wheels to move up and down, so that they are in contact with the ground when moving, and they are stored when not in use, so there is no need to install and disassemble the multiple universal wheels in sequence, thereby reducing the labor intensity of the staff. At the same time, when the universal wheel rises, the bottom plate will fall, and the falling bottom plate will cause the limit block to contact the ground and insert into the soil first. At this time, the threaded block continues to rise and will move the limit plate through the annular plate, the pulling plate, the pulling rod, the second trapezoidal block and the extrusion block, so that the limit plate is inserted into the soil, so that when the universal wheel is stored, the pull-out resistance of the bottom plate is increased, and the overall reinforced structure is more stable.

[0014] The utility model can fix the rotating plate by means of bolts, a clamping plate and a fixing plate, so as to prevent the rotating plate from rotating and causing the universal wheel to move when moving. At the same time, the rotating plate can be connected to the output shaft of an external motor, so that the external motor drives the rotating plate to rotate. The setting of the fixing rod and the partition plate facilitates the limiting of the pressing plate, thereby preventing the limiting plate from moving when not in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first perspective;

[0016] Figure 2 yes Figure 1 The enlarged structural diagram at A in the middle;

[0017] Figure 3 A schematic diagram of the three-dimensional structure of the utility model from a second viewing angle;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the bottom plate, the annular box and the pull rod in the utility model;

[0019] Figure 5 yes Figure 4 The enlarged structural diagram at B in the middle;

[0020] Figure 6 It is a three-dimensional structural schematic diagram of a partially cut and enlarged limit block in the present invention.

[0021] Figure numerals: 1. bottom plate; 2. annular box; 3. blocking plate; 4. limiting block; 5. moving block; 6. pressing plate; 7. screw rod; 8. rotating plate; 9. circular gear; 10. annular gear; 11. threaded block; 12. annular plate; 13. pull rod; 14. pull plate; 15. U-shaped plate; 16. limiting plate; 17. first trapezoidal block; 18. second trapezoidal block; 19. extrusion block; 20. bolt; 21. clamping plate; 22. fixing plate. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with specific embodiments. However, people familiar with the art should understand that the detailed description given here in conjunction with the drawings is for better explanation, and the structure of the present invention necessarily exceeds these limited embodiments. For some equivalent replacement schemes or common means, they are no longer described in detail herein, but still fall within the scope of protection of the present application.

[0023] Figure 1 to Figure 6 It is the best embodiment of the utility model, and the following Figure 1 ~Attached Figure 6 The utility model is further described.

[0024] A water conservancy construction cofferdam reinforcement structure, comprising a bottom plate 1, a blocking plate 3, a lifting column, a lifting head, a rotating support rod and a base, wherein the lifting column is installed on the top of the bottom plate 1. It should be noted that, in this embodiment, the installation method and use method of the blocking plate 3, the lifting column, the lifting head, the rotating support rod and the base can refer to the technical content adopted in a reinforcement structure for a water conservancy construction cofferdam disclosed in a Chinese patent with a publication number of CN218060363U in the prior art, which will not be repeated here. An annular box 2 is installed on the top of the bottom plate 1, and a movable limiting mechanism is provided on the annular box 2;

[0025] The movable limiting mechanism includes three movable blocks 5 arranged in the annular box 2, three movable holes matched with the movable blocks 5 are opened at the bottom of the bottom plate 1, universal wheels are installed at the bottom of the three movable blocks 5, three limiting blocks 4 are installed at the bottom of the bottom plate 1, limiting cavities are opened on the three limiting blocks 4, two sliding rods are installed on the relative inner walls of the three limiting cavities, a U-shaped plate 15 is slidably sleeved on every two matching sliding rods, limiting plates 16 are installed on the sides of multiple U-shaped plates 15, avoidance holes matched with the limiting plates 16 are opened on the sides of the three limiting blocks 4 away from each other, and a driving component is provided on the annular box 2 to enable multiple movable blocks 5 and multiple U-shaped plates 15 to move successively.

[0026] By means of the above structure, the three moving blocks 5 can be moved up and down through the driving assembly. The up and down movement of the three moving blocks 5 will store the universal wheel or re-contact the ground, so there is no need to install and disassemble back and forth in sequence, reducing the labor intensity of the staff. At the same time, the rise of the universal wheel will cause the bottom plate 1 to descend. The descent of the bottom plate 1 will first cause the limit block 4 to contact the ground and insert into the soil. Then the driving assembly will cause multiple U-shaped plates 15 to move. The movement of the U-shaped plate 15 will cause the limit plate 16 to move, and then the limit plate 16 will be inserted into the soil, thereby increasing a pull-out resistance and making the overall reinforced structure more stable.

[0027] The driving assembly includes three screw rods 7 rotatably mounted on the inner wall of the top of the annular box 2, wherein the threads of one of the screw rods 7 and the other two screw rods 7 are arranged oppositely, the top of one of the screw rods 7 extends to the outside of the annular box 2 and is installed with a rotating plate 8, the three screw rods 7 are all threadedly sleeved with thread blocks 11, the three moving blocks 5 are respectively installed at the bottom of the three thread blocks 11, the three screw rods 7 are installed through the transmission unit, the tops of the three thread blocks 11 are jointly installed with an annular plate 12, the tops of the three limit blocks 4 are all opened with pull holes, and the three pull holes are all slidably installed with pull rods 13, the top of the bottom plate 1 and the top of the annular box 2 The top of the annular box 2 is provided with three fixing rods, and the top of the three fixing rods is rotatably provided with partitions. The three pull rods 13 are sleeved with a pull plate 14, and the sides of the multiple U-shaped plates 15 are provided with a first trapezoidal block 17 and a second trapezoidal block 18. The bottom ends of the three pull rods 13 extend into three limiting cavities respectively and are provided with extrusion blocks 19 that are compatible with the second trapezoidal block 18, and the bottoms of the three extrusion blocks 19 are provided with two extrusion plates that are compatible with the first trapezoidal block 17.

[0028] In this solution, by setting the pressing plate 6, the fixed rod, the partition plate, the screw 7, the threaded block 11, the annular plate 12, the pull rod 13, the pull plate 14, the first trapezoidal block 17, the second trapezoidal block 18, the extrusion block 19 and the extrusion plate, it is convenient to make the universal wheel and the limit plate 16 move successively.

[0029] Specifically, the threaded block 11 can be moved by the screw rod 7, thereby causing the universal wheel to move up and down. At the same time, the rise of the threaded block 11 will cause the annular plate 12 to rise. The rise of the annular plate 12 will cause the limit plate 16 to move and insert into the soil through the pull rod 13, the pull plate 14, the second trapezoidal block 18 and the extrusion block 19, thereby increasing an anti-pull-out force. When the limit is released, the annular plate 12 is first released from extrusion, and then the pull rod 13 is moved by pressing the pressing plate 6. At this time, the U-shaped plate 15 is reset through the first trapezoidal block 17, the extrusion block 19 and the extrusion plate, thereby resetting the limit plate 16 for the next use. At the same time, the fixing rod and the partition plate can limit the pressing plate 6 to prevent the limit plate 16 from moving out of the limit cavity when the base plate 1 moves.

[0030] The transmission unit comprises circular gears 9 respectively mounted on the three screw rods 7 . A ring gear 10 is rotatably mounted on the inner wall of the circumference of the ring box 2 . The three circular gears 9 are all meshed with the ring gear 10 .

[0031] In this solution, the circular gear 9 and the ring gear 10 are arranged to facilitate the simultaneous rotation of the three screw rods 7 .

[0032] Specifically, the three universal wheels can be moved simultaneously through the screw rod 7, the circular gear 9 and the ring gear 10 without the need to adjust them in sequence. At the same time, the force of the base plate 1 can be dispersed through the three screw rods 7 and the three universal wheels to avoid excessive force on the base plate 1 due to the use of only one screw rod 7.

[0033] Three guide rods are installed on the top inner wall of the annular box 2, and guide holes are opened on the tops of the three threaded blocks 11. The three guide rods pass through the three guide holes respectively.

[0034] In this solution, the guide rod is provided to play a certain guiding role, so that the threaded block 11 moves along the horizontal direction.

[0035] A driving groove is provided at the top of the rotating plate 8, and a threaded hole connected to the driving groove is provided on the outer wall of the rotating plate 8. A bolt 20 is threadedly installed on the threaded hole, and a clamping plate 21 is installed at the end of the bolt 20. A fixing plate 22 is installed on the top of the annular box 2, and the clamping plate 21 is tightly pressed against the fixing plate 22.

[0036] In this solution, the drive groove, the bolt 20, the clamping plate 21 and the fixing plate 22 are arranged to facilitate fixing the rotating plate 8 or connecting it to an external motor.

[0037] Specifically, the rotating plate 8 can be fixed by bolts 20, clamping plates 21 and fixing plates 22 to prevent movement during use. At the same time, the bolts 20 can be tightened to connect the rotating plate 8 with the output shaft of the external motor, so that the rotating plate 8 can be rotated by the external motor.

[0038] The bottoms of the three limiting blocks 4 and the sides of the plurality of limiting plates 16 are all arranged in a triangular shape.

[0039] In this solution, the bottom of the limiting block 4 and the side of the limiting plate 16 are triangularly arranged, which plays a certain role in breaking the soil, so that the limiting block 4 and the limiting plate 16 can be inserted into the soil more easily.

[0040] In summary, when the utility model is in use, the base plate 1 is first moved through the universal wheel. The movement of the base plate 1 will cause the lifting column, the lifting head, the rotating support rod, the base and the blocking plate 3 to move and fit into the cofferdam. After fitting, the clamping plate 21 is rotated. The rotation of the clamping plate 21 will cause the bolt 20 to rotate. When the clamping plate 21 does not conflict with the fixing plate 22, the rotating plate 8 is rotated through the clamping plate 21. The rotation of the rotating plate 8 will cause one of the screw rods 7 to rotate. The rotation of one of the screw rods 7 will cause the ring gear 10 to rotate through one of the circular gears 9. The rotation of the ring gear 10 will cause the other two circular gears 9 to rotate. The rotation of the other two circular gears 9 will cause the other two screw rods 7 to rotate. The rotation of the three screw rods 7 will cause the three threaded blocks 11 to rise through the guide rod. The rising of the three threaded blocks 11 will cause the moving block 5 and the annular plate 12 to rise. The rising of the moving block 5 will cause the universal wheel to rise. At this time, the base plate 1 gradually approaches the ground. When the universal wheel moves to the moving When in the hole, the bottom plate 1 contacts the ground, and then the three universal wheels are stored at the same time, so there is no need to disassemble them one by one, reducing the labor intensity of the staff; at the same time, when the bottom plate 1 descends, the limit block 4 will first contact the ground and be inserted into the ground, and when the universal wheel moves into the moving hole, the annular plate 12 contacts the pull plate 14. At this time, the threaded block 11 continues to rise, which will cause the annular plate 12 to squeeze the pull plate 14, and the pull plate 14 will move upward under the force, and the pull plate 14 will move upward, and the upward movement of the pull plate 14 will cause the pull rod 13 to move upward, and the upward movement of the pull rod 13 will cause the extrusion block 19 to move upward, and the upward movement of the extrusion block 19 will squeeze the second trapezoidal block 18 to move it, and the movement of the second trapezoidal block 18 will cause the U-shaped plate 15 to move, and the movement of the U-shaped plate 15 will cause the limit plate 16 to move, and then the limit plate 16 will be inserted into the soil, thereby increasing a pull-out resistance, making the overall reinforced structure more stable, and at this time, the blocking plate 3 is connected to the cofferdam to strengthen the cofferdam.

[0041] When it is not needed, the output shaft of the external motor is placed in the driving groove through the external bracket, and the bolt 20 is tightened against the output shaft through the clamping plate 21, and then the external motor is started. The output of the external motor causes the rotating plate 8 to rotate in the opposite direction under the action of the bolt 20, and the reverse rotation of the rotating plate 8 causes the screw rod 7 to rotate in the opposite direction, and the reverse rotation of the screw rod 7 causes the threaded block 11 to move downward, and the downward movement of the threaded block 11 causes the moving block 5 and the annular plate 12 to move downward, and the downward movement of the annular plate 12 cancels the pulling force on the pulling plate 14. When the pulling plate 14 is not under force, the pressing plate 6 is pressed, and the pressing plate 6 will move downward under the force, and the downward movement of the pressing plate 6 will cause the extrusion block 19 to move downward through the pull rod 13, and the downward movement of the extrusion block 19 will cause the extrusion plate to move downward, and the downward movement of the extrusion plate will squeeze the first trapezoidal block 17 to make it move in the opposite direction, and the opposite movement of the first trapezoidal block 17 will cause the U-shaped plate 15 to move in the opposite direction, thereby causing the limiting plate 16 to move into the limiting cavity. At this time, the external motor continues to output to cause the moving block 5 to continue to move, thereby causing the universal wheel to contact the ground and prop up the bottom plate 1, so that there is no need to install the universal wheel, and at the same time, the limiting block 4 does not contact the ground, which is convenient for next use.

[0042] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.

Claims

1. A water conservancy construction cofferdam reinforcement structure, comprising a base plate (1), a blocking plate (3), a lifting column, a lifting head, a rotating support rod and a base, wherein the lifting column is installed on the top of the base plate (1), characterized in that: An annular box (2) is installed on the top of the base plate (1), and a movement limiting mechanism is provided on the annular box (2); The movable limiting mechanism comprises three movable blocks (5) arranged in the annular box (2); the bottom of the bottom plate (1) is provided with three movable holes matched with the movable blocks (5); the bottoms of the three movable blocks (5) are all provided with universal wheels; the bottom of the bottom plate (1) is provided with three limiting blocks (4); the three limiting blocks (4) are all provided with limiting cavities; the opposite inner walls of the three limiting cavities are all provided with two sliding rods; a U-shaped plate (15) is slidably sleeved on each of two matched sliding rods; the sides of the plurality of U-shaped plates (15) are all provided with limiting plates (16); the sides of the three limiting blocks (4) away from each other are all provided with avoidance holes matched with the limiting plates (16); and the annular box (2) is provided with a driving assembly for moving the plurality of movable blocks (5) and the plurality of U-shaped plates (15) in sequence.

2. A water conservancy construction cofferdam reinforcement structure according to claim 1, characterized in that: The driving assembly comprises three screw rods (7) rotatably mounted on the inner wall of the top of the annular box (2), wherein the threads of one of the screw rods (7) and the other two screw rods (7) are arranged opposite to each other, the top end of one of the screw rods (7) extends to the outside of the annular box (2) and is installed with a rotating plate (8), the three screw rods (7) are all threadedly sleeved with thread blocks (11), the three moving blocks (5) are respectively installed at the bottom of the three thread blocks (11), the three screw rods (7) are installed through a transmission unit, the tops of the three thread blocks (11) are jointly installed with an annular plate (12), the tops of the three limit blocks (4) are all opened with pull holes, and the three pull holes are all slidably installed with pull rods (13), the top of the bottom plate (1), the annular The top of the box (2) and the bottom of the annular plate (12) are each provided with three through holes matched with the pull rods (13); the top ends of the three pull rods (13) are provided with pressing plates (6); the top of the annular box (2) is provided with three fixing rods; the tops of the three fixing rods are each provided with partitions rotatably mounted; the three pull rods (13) are each provided with a pull plate (14); the sides of the plurality of U-shaped plates (15) are each provided with a first trapezoidal block (17) and a second trapezoidal block (18); the bottom ends of the three pull rods (13) extend into the three limiting cavities respectively and are provided with extrusion blocks (19) matched with the second trapezoidal block (18); the bottoms of the three extrusion blocks (19) are each provided with two extrusion plates matched with the first trapezoidal block (17).

3. A water conservancy construction cofferdam reinforcement structure according to claim 2, characterized in that: The transmission unit comprises circular gears (9) respectively mounted on the three screw rods (7); a ring gear (10) is rotatably mounted on the inner wall of the circumference of the ring box (2); and the three circular gears (9) are all meshed with the ring gear (10).

4. A water conservancy construction cofferdam reinforcement structure according to claim 2, characterized in that: Three guide rods are installed on the inner wall of the top of the annular box (2), and guide holes are opened on the tops of the three threaded blocks (11), and the three guide rods pass through the three guide holes respectively.

5. A water conservancy construction cofferdam reinforcement structure according to claim 2, characterized in that: A driving groove is provided at the top of the rotating plate (8), a threaded hole connected to the driving groove is provided on the peripheral outer wall of the rotating plate (8), a bolt (20) is threadedly mounted on the threaded hole, a clamping plate (21) is mounted at the end of the bolt (20), a fixing plate (22) is mounted at the top of the annular box (2), and the clamping plate (21) is tightly abutted against the fixing plate (22).

6. A water conservancy construction cofferdam reinforcement structure according to claim 1, characterized in that: The bottoms of the three limiting blocks (4) and the sides of the plurality of limiting plates (16) are all arranged in a triangular shape.

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