Flat opening type hydraulically-driven flood gate with threshold

Abstract

A flat opening type hydraulic drive flood gate with a doorsill belongs to the related technical field of civil air defense equipment and comprises a door leaf, a door frame and a drive system. The door leaf is hinged to the door frame, the driving system is a hydraulic driving system, and the driving system is in power connection with the door leaf; the door leaf is a light door leaf, a honeycomb module made of metal plates is arranged in the door leaf, the honeycomb module is isotropic, and the honeycomb module is used for reducing the weight of the door leaf. Through the structural design, a novel honeycomb unit structure is adopted, that is, the honeycomb section adopts a three-layer structure, the upper-layer structure and the lower-layer structure are connected with the middle-layer structure through the inclined plane transition section, and the inclined design of the inclined plane transition section, the upper-layer structure and the lower-layer structure can enable the honeycomb module to be in all directions; the strength is improved, and the weight and the price can be reduced at the same time. And the weight of the door leaf is greatly reduced, so that the sealing performance between the door leaf and the door frame can be ensured after the door leaf is closed by adopting the hydraulic cylinder.

Description

Technical Field

[0001] The present invention relates to the technical field related to civil air defense equipment, and more specifically, to a flat-opening hydraulically driven flood-proof door with a threshold. Background Art

[0002] Traditional flood-prevention doors are primarily constructed of pure steel or steel and concrete. These doors present structural drawbacks such as bulkiness, susceptibility to rust, and difficulty in transportation and installation. The heavy weight of the door (>3 tons) results in a bulky drive mechanism and slow opening and closing speeds (>180 seconds). Furthermore, traditional flood-prevention doors rely on a drive mechanism to close the door leaf (close the door leaf to the door frame) and seal it. Large-sized doors require a significant amount of driving force to achieve a tight fit with the door frame, placing high demands on the drive mechanism and complicating airtightness. Summary of the Invention

[0003] (1) Technical issues In summary, how to solve the problem that the flood-proof door in the prior art has a heavy door body and is difficult to ensure airtightness has become an urgent problem to be solved by those skilled in the art.

[0004] (2) Technical solution In order to achieve the above object, the present invention provides the following technical solutions: The present invention provides a flat-opening hydraulically driven flood-proof door with a threshold. In the present invention, the flat-opening hydraulically driven flood-proof door with a threshold comprises a door leaf, a door frame, and a drive system for driving the door leaf. The door leaf is hinged to the door frame, and the drive system is a hydraulic drive system, which is connected to the door leaf by power; The door leaf is a lightweight door leaf. A honeycomb module composed of metal plates is provided inside the door leaf. The honeycomb module is isotropic and is used to reduce the weight of the door leaf.

[0005] Preferably, in the flat-opening hydraulically driven flood-proof door with a threshold provided by the present invention, the door frame is a concrete structure, and the door frame is made of concrete poured on the outside of a steel keel; the door frame includes a top surface, a bottom surface and two side surfaces, and in the depth direction perpendicular to the door frame, the door frame is a "mouth"-shaped structure, and mounting columns connected to the top surface and the bottom surface are arranged on the opposite surfaces of the two side surfaces, and the top surface is provided with a top beam, and the top beam and the mounting columns are located in the same vertical plane, and the bottom surface is a step structure to form a fixed threshold, and the fixed threshold and the mounting columns are located in the same vertical plane; the drive system is arranged on the mounting columns, and the door leaf, in a closed state, is against the mounting columns, the top beam and the fixed threshold to form an airtight contact structure.

[0006] Preferably, in the hydraulic drive flat open door with door sill provided by the application, a U-shaped groove is arranged on one side of the fixed door sill facing the door leaf, a first sealing strip is arranged in the U-shaped groove, a sealing plug is arranged on the door leaf and can be inserted into the U-shaped groove, the sealing plug abuts against the first sealing strip and the air-tight contact between the door leaf and the fixed door sill is realized through the deformation of the first sealing strip.

[0007] Preferably, in the hydraulic drive flat open door with door sill provided by the application, a second sealing strip is arranged on the top beam and the mounting column or on the door leaf, so that the air-tight contact between the door leaf and the top beam and the mounting column is realized through the compression deformation of the second sealing strip when the door leaf is closed.

[0008] Preferably, in the hydraulic drive flat open door with door sill provided by the application, a door bolt assembly is further arranged to apply a horizontal pushing force to the door leaf towards the fixed door sill after the door leaf is closed, the door bolt assembly comprises a plug bolt driven by the hydraulic drive and a plug hole matched with the plug bolt, and the plug hole applies a horizontal force perpendicular to the fixed door sill to the plug bolt during the insertion of the plug bolt into the plug hole.

[0009] Preferably, in the hydraulic drive flat open door with door sill provided by the application, the honeycomb module comprises a module plate, the module plate comprises a transition section and a honeycomb section, the transition section and the honeycomb section are arranged alternately along the length direction of the module plate, the transition section comprises at least one butt joint plane, the honeycomb section comprises a three-fold structure outwardly protruding relative to the butt joint plane along the length direction of the module plate, and the honeycomb section comprises a three-layer structure along the height direction of the module plate, the three-layer structure comprises an upper layer structure, a middle layer structure and a lower layer structure, two module plates are arranged in one group, the two module plates in the same group are arranged symmetrically and fixedly connected through the butt joint planes in the two opposite transition sections, the middle layer structure forms a regular hexagonal cylinder structure in the opposite honeycomb sections, the upper layer structure is connected with the middle layer structure through a bevel transition section and is arranged obliquely towards the axis of the regular hexagonal cylinder structure, and the lower layer structure is connected with the middle layer structure through a bevel transition section and is arranged obliquely towards the axis of the regular hexagonal cylinder structure.

[0010] Preferably, in the hydraulic drive flat open door with door sill provided by the application, the projection of the upper layer structure is located outside the projection of the middle layer structure and the projection of the lower layer structure is located outside the projection of the middle layer structure in the direction parallel to the axis of the regular hexagonal cylinder structure.

[0011] Preferably, in the flatly-opened hydraulic-driven flood-preventing door with door sill provided by the application, the upper structure and the lower structure are symmetrically arranged based on the middle structure.

[0012] Preferably, in the flatly-opened hydraulic-driven flood-preventing door with door sill provided by the application, the driving system comprises a hydraulic cylinder and a door shaft assembly, the door shaft assembly comprises an assembly platform fixedly arranged relative to the door frame and a door shaft, the assembly platform is provided with a mounting hole, a bearing is arranged in the mounting hole, the door shaft is rotatably arranged on the assembly platform through the bearing, one end of the door shaft is power-connected with the hydraulic cylinder through a gear set, and the other end of the door shaft is provided with a door leaf mounting plate fixedly arranged on the side surface of the door leaf.

[0013] Preferably, in the flatly-opened hydraulic-driven flood-preventing door with door sill provided by the application, a door leaf side frame is arranged on the side edge of the door leaf, an oil pipe groove for hydraulic oil pipe wiring is arranged in the door leaf side frame, and a hydraulic oil pipe is arranged in the oil pipe groove and is wired inside the door leaf and connected with the hydraulic driving of each door bolt assembly.

[0014] (Three) beneficial effects As known from the above, the application provides a flatly-opened hydraulic-driven flood-preventing door with door sill, which comprises a door leaf, a door frame and a driving system for driving the door leaf to act; the door leaf is hinged to the door frame, the driving system is a hydraulic driving system, the driving system is power-connected with the door leaf; the door leaf is a light-weight door leaf, the inside of the door leaf is provided with a honeycomb module composed of metal plates, the honeycomb module is isotropic, and the honeycomb module is used for weight reduction of the door leaf. Through the above structural design, the application adopts a novel structure of honeycomb unit structure, i.e., the honeycomb section adopts a three-layer structure, the upper structure and the lower structure are connected with the middle structure through a bevel transition section, and the bevel transition section and the inclination of the upper structure and the lower structure can make the honeycomb module isotropic (both the front impact resistance and the shear resistance are very high), the strength is improved, and the weight and the price can be reduced. Since the weight of the door leaf is greatly reduced, after the door leaf is closed by the hydraulic cylinder, the sealing between the door leaf and the door frame can be guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings accompanying the specification of this application form a part hereof, serve to provide further understanding of the application, and together with the description of the application provided below, explain the application. In the drawings: Figure 1 FIG. 1 is a front view of the flatly-opened hydraulic-driven flood-preventing door with door sill in the embodiment of the application; Figure 2The side view sectional structure schematic diagram of the flat open type hydraulic drive flood-preventing door with door sill in the embodiment of the present application; Figure 3 The top view structure schematic diagram of the flat open type hydraulic drive flood-preventing door with door sill in the embodiment of the present application; Figure 4 The structure schematic diagram of the door leaf and related structure (drive system and door bolt assembly) in the embodiment of the present application; Figure 5 The local structure schematic diagram of the flat open type hydraulic drive flood-preventing door with door sill at the door bolt assembly in the embodiment of the present application; Figure 6 The local structure schematic diagram of the flat open type hydraulic drive flood-preventing door with door sill at the abutting position after the closing of two door leaves in the embodiment of the present application; Figure 7 The local structure schematic diagram of the flat open type hydraulic drive flood-preventing door with door sill in the embodiment of the present application under the top view angle; Figure 8 The local structure schematic diagram of the flat open type hydraulic drive flood-preventing door with door sill in the embodiment of the present application under the side view angle; Figure 9 The structure schematic diagram of the hydraulic cylinder in the embodiment of the present application; Figure 10 The structure schematic diagram of the hydraulic cylinder after the removal of the shell in the embodiment of the present application; Figure 11 The structure schematic diagram of the honeycomb module in the embodiment of the present application; Figure 12 The local structure schematic diagram of the honeycomb module in the embodiment of the present application.

[0016] In the present application, Figures 1 to 12 The correspondence between the middle part names and the reference signs is as follows: Door leaf 1, honeycomb module 2, top surface 3, bottom surface 4, side surface 5, mounting stand 6, top beam 7, fixed door sill 8, U-shaped groove 9, first sealing strip 10, sealing plug strip 11, second sealing strip 12, hydraulic drive device 13, jack 14, hydraulic cylinder 15, assembly platform 16, door shaft 17, gear set 18, door leaf mounting plate 19, support assembly 20, limiting assembly 21, door leaf side frame 22, door leaf top frame 23, stop block strip 24, transition section 25, honeycomb section 26, three-fold structure 27, upper layer structure 28, middle layer structure 29, lower layer structure 30, inclined surface transition section 31. DETAILED DESCRIPTION

[0017] The present application will be described in detail below with reference to the drawings and in conjunction with embodiments. Various examples are provided by way of explanation of the present application but not to limit the present application. It will be apparent to those skilled in the art that modifications and variations can be made in the present application without departing from the scope or spirit of the present application. For example, features shown or described as part of one embodiment can be used in another embodiment to yield still a further embodiment. It is, therefore, desired that the present application be deemed as including all such modifications and variations as fall within the scope of the appended claims and their equivalents.

[0018] In the description of the present application, the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and do not require the present application to be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "connected", "connected" used in the present application should be understood broadly, for example, it can be fixed connection, or detachable connection; it can be directly connected, or indirectly connected through intermediate components, and the specific meaning of the above terms can be understood by those skilled in the art according to the specific circumstances.

[0019] Reference is made to Figures 1 to 12 .

[0020] The present application provides a flat open type hydraulic drive threshold flood gate, comprising a door leaf 1, a door frame and a drive system for driving the door leaf 1 to act; the door leaf 1 is hinged to the door frame, the drive system is a hydraulic drive system, and the drive system is in power connection with the door leaf 1; the door leaf 1 is a light door leaf, and a honeycomb module 2 composed of metal plates is arranged in the door leaf 1, the honeycomb module 2 is isotropic, and the honeycomb module 2 is used for weight reduction of the door leaf 1. Unlike the structure of the conventional flood gate, the flood gate provided by the present application has the following structural characteristics: 1. The door leaf 1 is a light door leaf, and the door leaf 1 adopts lightweight design, and the honeycomb module 2 is designed in the door leaf 1; 2. The door frame adopts a concrete structure (in the prior art, a concrete mouth structure is formed, and then a steel structure door frame is arranged on the mouth structure), and a fixed threshold 8 is arranged; 3. The drive system adopts a hydraulic drive system, and through the structural design of the door leaf 1, the hydraulic pipeline is wired in the door leaf 1, and the external structure of the flood gate is simplified.

[0021] Specifically, in one embodiment of the present application, the door frame is a concrete structure, which is made of steel reinforcement outside pouring concrete. According to the structure design, the steel reinforcement is manually set outside, then a mold box is set outside the steel reinforcement, and finally the concrete is poured and demolded after the concrete is shaped. The door frame includes a top surface 3, a bottom surface 4, and two side surfaces 5. In the direction perpendicular to the depth of the door frame (i.e. the direction of the personnel passing through), the door frame is in the shape of a Chinese character "kou". The mounting column 6 is arranged on the opposite surface of the two side surfaces 5 and connected with the top surface 3 and the bottom surface 4. The front side of the mounting column 6 is a vertical plane. The top beam 7 is arranged on the top surface 3, and the front side of the top beam 7 is a vertical plane. The top beam 7 and the mounting column 6 are located in the same vertical plane (the front sides of the mounting column 6 and the top beam 7 are located in the same plane). The bottom surface 4 is provided with a one-step structure to form a fixed threshold 8. The fixed threshold 8 and the mounting column 6 are located in the same vertical plane. After the door leaf 1 is closed (in the closed state), the door leaf 1 can abut against the fixed threshold 8. In the present application, the outward protruding size of the mounting column 6 relative to the side surface 5 (generally about 20 cm) and the downward protruding size of the top beam 7 relative to the top surface 3 (generally about 20 cm) are much larger than the height size of the fixed threshold 8 (generally about 5 cm).

[0022] After the door leaf 1 is closed, the side surface of the door leaf 1 can abut against the mounting column 6, the top beam 7, and the fixed threshold 8. In order to ensure the air tightness (to avoid gas and liquid leakage) after the door leaf 1 abuts against the door frame (i.e. the mounting column 6, the top beam 7, and the fixed threshold 8 mentioned above), the present application proposes the following optimization design: the side surface of the fixed threshold 8 facing the door leaf 1 is provided with a U-shaped groove 9, which is a metal groove. The U-shaped groove 9 is arranged on the fixed door leaf 1 by expansion screws. A first sealing strip 10 (rubber sealing strip) is arranged in the U-shaped groove 9. The door leaf 1 is provided with a sealing plug strip 11 that can be inserted into the U-shaped groove 9. The sealing plug strip 11 is wrapped around the bottom surface of the door leaf 1. The side of the sealing plug strip 11 facing the fixed threshold 8 protrudes outward horizontally. The sealing plug strip 11 (the outward protruding part of the sealing plug strip 11) abuts against the first sealing strip 10 and realizes the air tightness contact between the door leaf 1 and the fixed threshold 8 through the deformation of the first sealing strip 10. A second sealing strip 12 is arranged on the top beam 7 and the mounting column 6, or on the door leaf 1, which realizes the air tightness contact between the door leaf 1 and the top beam 7 and the mounting column 6 through the compression deformation of the second sealing strip 12 in the closed state of the door leaf 1. In the present application, the first sealing strip 10 and the second sealing strip 12 form a complete "kou" character structure, which forms a complete seal after the door leaf 1 is closed.

[0023] The door leaf 1 is closed or opened by the driving system, and the door leaf 1 needs to press the sealing strip (the first sealing strip 10 and the second sealing strip 12) after being closed. The door leaf 1 is large in size, and if the sealing strip needs to be tightly pressed, a large force needs to be applied by the driving system, which is high in requirement for the power output of the driving system. In order to solve the above problems, the application proposes the following concept: the driving system only drives the door leaf 1 to open or close, and the door bolt assembly is additionally arranged to realize the forward movement of the door leaf 1 in the closed state to tightly press the sealing strip.

[0024] The door bolt assembly is used to apply a horizontal pushing force to the door leaf 1 in the direction of the fixed door sill 8 after the door leaf 1 is closed. Specifically, the door bolt assembly comprises a plug driven by the hydraulic driving device 13 and a plug hole 14 in plug insertion cooperation with the plug. During the plug insertion into the plug hole 14, the plug hole 14 applies a horizontal force to the plug which is perpendicular to the fixed door sill 8. In a specific embodiment of the application, the plug hole 14 has an inclined surface, and the lower end of the plug has a plug inclined surface matched with the plug hole inclined surface. After the door leaf 1 is closed by the driving system, the plug hole 14 and the plug are in a non-coaxial state, and the hole axis of the plug hole 14 is arranged to move forward in the direction of the fixed door sill 8. In this way, during the plug insertion into the plug hole 14, the plug hole inclined surface and the plug inclined surface cooperate to apply a horizontal pushing force to the door leaf 1 in the direction of the fixed door sill 8, so as to tightly press the door leaf 1 on the door frame. Further, the door bolt assembly is provided with a plurality of door bolt assemblies and is arranged at intervals on the door leaf 1 near the top edge and the bottom edge of the door leaf 1.

[0025] In the application, the lightweight design of the door leaf 1 is realized, and therefore a new structural design for the installation of the door leaf 1 is proposed: on the side of the door leaf 1 for hinged connection with the door frame, the upper area from the middle of the door leaf 1 is a hinged rotation power area, and the lower area from the middle of the door leaf 1 is a hinged rotation support area. The driving system comprises a hydraulic cylinder 15 and a door shaft assembly. The door shaft assembly comprises an assembly platform 16 fixedly arranged relative to the door frame and a door shaft 17. The assembly platform 16 is provided with a mounting hole, and a bearing is arranged in the mounting hole. The door shaft 17 is rotatably arranged on the assembly platform 16 through the bearing. One end of the door shaft 17 is power-connected with the hydraulic cylinder 15 through a gear set 18 (the gear set 18 is directly connected with the hydraulic cylinder 15, and the gear set 18 functions as a transmission for the effect of deceleration and torque increase). The other end of the door shaft 17 is provided with a door leaf mounting plate 19 fixedly arranged on the side surface 5 of the door leaf 1. Corresponding to the hinged rotation power driving, the hydraulic cylinder 15 is fixedly arranged on the door frame. The power output shaft of the hydraulic cylinder 15 is fixedly connected with the door shaft 17 (which can be fixedly connected through flange assembly). The door shaft 17 is fixedly connected with the side surface 5 of the door leaf 1 through the door leaf mounting plate 19, for providing power for the rotation of the door leaf 1.

[0026] Corresponding to the hinged rotation support area, the door leaf 1 is hinged with the door frame through a support assembly 20, and the door leaf 1 is rotationally supported through the support assembly 20; corresponding to the hinged rotation support area, the door leaf 1 is hinged with the door frame through a limiting assembly 21, and the rotation of the door leaf 1 is limited through the limiting assembly 21.

[0027] The support assembly 20 is structured as follows: including a mounting plate, the mounting plate is a flat plate structure, the mounting plate is fixed on the door frame through an expansion bolt, a support seat is fixed on the mounting plate through a bolt, the support seat includes a horizontally arranged support plate, and a bearing seat is fixedly arranged on the support plate; a T-shaped component is arranged on the side frame of the door leaf 1, the T-shaped component includes a vertical plate and a horizontal plate, the vertical plate is fixedly connected with the side frame 22 of the door leaf, the horizontal plate is perpendicular to the middle part of the vertical plate, the horizontal plate is matched with the bearing seat, and a supporting force is applied to the middle part of the door leaf 1.

[0028] The limiting assembly 21 is structured as follows: including a mounting plate, the mounting plate is a flat plate structure, the mounting plate is fixed on the door frame through an expansion bolt, a limiting plate is fixed on the mounting plate through a bolt, two shaft mounting plates are arranged on the limiting plate and are spaced apart in the height direction, L-shaped components are arranged on the side frame of the door leaf 1, a limiting rotating plate is fixedly arranged between the two L-shaped components, the limiting rotating plate is arranged between the two shaft mounting plates, and the upper shaft mounting plate, the limiting rotating plate and the lower shaft mounting plate are connected through the door shaft 17.

[0029] The driving system in the application is provided with a hydraulic cylinder 15 (the driving system is arranged on the mounting column 6, and the door leaf 1 is in contact with the mounting column 6, the top beam 7 and the fixed door sill 8 in the closed state to form an airtight contact structure), and the bolt assembly is also driven by hydraulic pressure, that is, the hydraulic driving device 13 is arranged, therefore, the floodgate provided by the application is additionally provided with a hydraulic station, and the hydraulic station is connected with the hydraulic cylinder 15 and the hydraulic driving device 13 through pipelines. In the application, the hydraulic cylinder 15 is arranged on the door frame, and the wiring design requirement of the hydraulic pipeline is low, as long as the opening and closing of the door leaf 1 is not affected. In an embodiment of the application, the hydraulic driving device 13 is arranged on the door leaf 1, and the hydraulic driving device 13 needs to move with the door leaf 1, therefore, the pipeline design requirement between the hydraulic station and the hydraulic driving device 13 is high: the door leaf side frame 22 is arranged on the side of the door leaf 1, the oil pipe groove for the wiring of the hydraulic oil pipe is arranged in the door leaf side frame 22, the hydraulic oil pipe is arranged in the oil pipe groove and connected with the hydraulic driving device 13 of each bolt assembly through wiring inside the door leaf 1. The door leaf side frame 22 is a metal pipe structure, and the door leaf side frame 22 is fixed on the side of the door leaf 1 through the clamping groove, the door leaf 1 is in contact with the door frame (the mounting column 6) through the door leaf side frame 22, and meanwhile, the oil pipe groove is arranged in the door leaf side frame 22, the oil pipe line is wired inside the door leaf 1, and the appearance structure of the door leaf 1 can be greatly simplified. Of course, the bolt assembly can be improved in the application: the hydraulic driving device 13 is arranged on the ground and the top surface 3 (the groove structure for accommodating the hydraulic driving device 13 is arranged on the ground and the top surface 3), and the wiring design of the hydraulic pipeline can be omitted inside the door leaf 1. The door leaf top side frame 23 can be arranged on the top of the door leaf 1, and the hydraulic oil pipe is wired inside the door leaf top side frame 23.

[0030] As known from the above, the cooperation of the sealing plug 11 and the first sealing strip 10 realizes the sealing between the door leaf 1 and the fixed door sill 8, and for the second sealing strip 12, the following structure design is adopted: the second sealing strip 12 is fixedly arranged on the door leaf 1, specifically, the metal side frame structure (for example, the door leaf side frame 22 arranged on the side of the door leaf 1) is arranged on the two sides and the top of the door leaf 1, the trapezoidal groove is arranged on the side of the metal side frame structure facing the door frame, the second sealing strip 12 is assembled in the trapezoidal groove, and the block strip 24 with a triangular cross section is arranged on the door frame (the mounting column 6 and the top beam 7), after the door leaf 1 is closed, the block strip 24 can extrude the second sealing strip 12 to realize the sealing of the two sides and the top of the door leaf 1.

[0031] As the focus of the present application, the door leaf 1 provided by the present application adopts a lightweight design. In the prior art, the door leaf of the floodgate is usually made of a metal shell filled with concrete inside, and the overall weight of the door leaf is very large. Unlike the traditional technology, the present application provides a honeycomb module 2 inside the door leaf 1, which greatly reduces the overall weight of the floodgate while ensuring the structural strength of the door leaf 1. The honeycomb module 2 includes a module plate, and a row (or a line) of honeycomb units is formed by the module plate. Specifically, the module plate is formed by stamping a metal plate, and the module plate has a length direction and a height direction. The module plate includes a transition section 25 and a honeycomb section 26. Two module plates form a group, and the two honeycomb sections 26 of the same group are oppositely arranged to form a honeycomb unit, and the transition section 25 is used to realize the fixed connection between the two module plates. Along the length direction of the module plate, the transition section 25 and the honeycomb section 26 are alternately arranged, and the transition section 25 includes at least a butt joint plane, which is a vertical plane used for butt joint between the two module plates. In the length direction of the module plate, the honeycomb section 26 includes a three-fold structure 27 (which forms a half honeycomb unit) that protrudes outward relative to the butt joint plane, and in the height direction of the module plate, the honeycomb section 26 includes a three-layer structure (which forms a dumbbell-shaped structure of the honeycomb unit), and the three-layer structure includes an upper layer structure 28, a middle layer structure 29, and a lower layer structure 30. Two module plates form a group, and the two module plates of the same group are symmetrically arranged and fixedly connected through the butt joint planes in the two opposite transition sections 25 (the transition sections 25 are arranged on the upper and lower sides of the middle layer structure 29 and are inclined outward relative to the middle layer structure 29, and the inclination angle is between 30°-45°). In the opposite honeycomb sections 26, the middle layer structure 29 forms a regular hexagonal cylinder structure, the upper layer structure 28 is connected to the middle layer structure 29 through a beveled transition section 3125, the upper layer structure 28 is inclined towards the axis of the regular hexagonal cylinder structure, and the lower layer structure 30 is connected to the middle layer structure 29 through a beveled transition section 3125, and the lower layer structure 30 is inclined towards the axis of the regular hexagonal cylinder structure.

[0032] Further, in the direction parallel to the axis of the regular hexagonal cylinder structure, the projection of the upper layer structure 28 is located outside the projection of the middle layer structure 29, and the projection of the lower layer structure 30 is located outside the projection of the middle layer structure 29. Further, the upper layer structure 28 and the lower layer structure 30 are inclined relative to the axis of the honeycomb unit (the honeycomb unit is formed by the honeycomb sections 26 of the two module plates), and the inclination angle is between 5°-10°. The upper layer structure 28 and the lower layer structure 30 are symmetrically arranged based on the middle layer structure 29.

[0033] The application also provides a control system, which comprises a control button, a central control device and a sensor.

[0034] For the structure of the door leaf 1, the application adopts a composite sandwich structure, which comprises a front panel (outer skin), a rear panel (inner skin) and a honeycomb module 2. The outer skin is 7A04-T6 aviation aluminum with a thickness of 4 mm and a Vickers hardness of 2150 HV. A transition layer is arranged between the outer skin and the honeycomb module 2, and the transition layer is used for impact buffering. The transition layer is aramid fiber / epoxy resin prepreg with a thickness of 2 mm and an area density of 480 g / m 2 . The honeycomb module 2 is made of 5056 aluminum, and the cell size of the honeycomb unit is Φ6 mm*50 mm (diameter 6 mm, height 50 mm). The inner skin is a 6063-T5 aluminum plate with a thickness of 3 mm, and the surface is laser textured (Ra=12.5um).

[0035] Inside the door leaf 1, 8 T-shaped reinforcing ribs are arranged transversely without affecting the arrangement of other structures inside the door leaf 1, and the cross-sectional size is 30*50 mm. Four door frame type composite beams are arranged longitudinally, and the inside is filled with aluminum silicate ceramic fiber. A 10 mm thick steel plate bushing is additionally arranged in the hinge seat area and connected by HUCK rivets. An aluminum honeycomb module structure is arranged inside the door body. The honeycomb module 2 is composed of two mirror-symmetrically arranged module plates. After the two module plates are butted, a plurality of linearly arranged honeycomb units can be formed. The honeycomb module 2 is firmly connected with the inner and outer aluminum alloy panels by brazing process. This structure makes the door body light in weight while having high strength and rigidity, and can withstand large water pressure and impact force.

[0036] As can be seen from the above, the application provides a flat opening type hydraulic drive door sill floodgate door. In the application, the flat opening type hydraulic drive door sill floodgate door comprises a door leaf 1, a door frame and a drive system for driving the door leaf 1 to act. The door leaf 1 is hinged to the door frame, the drive system is a hydraulic drive system, and the drive system is in power connection with the door leaf 1. The door leaf 1 is a light door leaf 1, the inside of the door leaf 1 is provided with a honeycomb module 2 composed of a metal plate, the honeycomb module 2 is isotropic, and the honeycomb module 2 is used for weight reduction of the door leaf 1.

[0037] In the prior art, although there are honeycomb structures, the conventional brazed aluminum honeycomb has the disadvantage of anisotropy. The present application adopts a new type of honeycomb unit structure, that is, the honeycomb section 26 adopts a three-layer structure, the upper layer structure 28 and the lower layer structure 30 are connected with the middle layer structure 29 through the inclined transition section 3125, and the inclined design of the inclined transition section 3125 and the upper layer structure 28 and the lower layer structure 30 can make the honeycomb module 2 isotropic (the front impact resistance and shear resistance are very high), the strength is improved, and the weight and price can be reduced at the same time.

[0038] In the present application, the commonly used specification size of the honeycomb section 26 is as follows: the cell (single honeycomb monomer) wall thickness is 1.5 mm, the variable cross-section hexagon is 25 mm*25 mm, the thickness of the panel on both sides of the honeycomb module is 3 mm, the height of the honeycomb module is 114 mm, the honeycomb module and the panels on both sides thereof form a sandwich panel, and the total thickness of the sandwich panel is 120 mm. The core layer (honeycomb module part) and the panel material of the sandwich panel are both 6061 aluminum materials, the compressive strength is 7.5 MPa, the tensile strength is 185 MPa, the yield strength is 140 MPa, the elastic modulus is 68.9 GPa, and the Poisson's ratio is 0.33.

[0039] The innovation points of the present application are summarized as follows: 1. The door leaf 1 comprises a front panel, a honeycomb module 2 and a rear panel, and the specific strength of the honeycomb module 2 reaches 356 MPa·cm / g. The aluminum honeycomb module structure realizes a 70% reduction in weight while the tensile strength is improved to 185 MPa. 3 2. The sealing structure used in the present application, such as the first sealing strip 10, the sealing plug strip 11 and the second sealing strip 12, can realize IP68 level waterproofing. 3. The control system is modularized, has detection and automatic control functions, and can support unattended automatic response.

[0040] The above is only a preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.​

Claims

1. A hydraulic driven flood gate with threshold, characterized in that, it comprises a door leaf, a door frame and a driving system for driving the door leaf to act; the door leaf is hinged to the door frame, the driving system is a hydraulic driving system, the driving system is in power connection with the door leaf; the door leaf is a light door leaf, the inside of the door leaf is provided with a honeycomb module composed of metal plates, the honeycomb module is isotropic, and the honeycomb module is used for weight reduction of the door leaf.

2. The hydraulic driven flood gate with threshold according to claim 1, characterized in that, the door frame is a concrete structure, which is made of reinforced concrete by pouring concrete outside the steel frame; the door frame comprises a top surface, a bottom surface and two side surfaces, and in the direction perpendicular to the depth of the door frame, the door frame is a "mouth" shaped structure, mounting columns connected with the top surface and the bottom surface are arranged on the opposite surfaces of the two side surfaces, the top surface is provided with a top beam, the top beam and the mounting columns are located in the same vertical plane, and the bottom surface is a stepped structure to form a fixed threshold, the fixed threshold and the mounting columns are located in the same vertical plane; the driving system is arranged on the mounting columns, and the door leaf is in close contact with the mounting columns, the top beam and the fixed threshold in the closed state to form an airtight contact structure.

3. The hydraulic driven flood gate with threshold according to claim 2, characterized in that, a U-shaped groove is arranged on one side of the fixed threshold facing the door leaf, a first sealing strip is arranged in the U-shaped groove, a sealing plug is arranged on the door leaf and can be inserted into the U-shaped groove, the sealing plug is in close contact with the first sealing strip and the airtight contact between the door leaf and the fixed threshold is realized through the deformation of the first sealing strip.

4. The hydraulic driven flood gate with threshold according to claim 3, characterized in that, a second sealing strip is arranged on the top beam and the mounting columns, or on the door leaf, to realize the airtight contact between the door leaf and the top beam and the mounting columns through the compression deformation of the second sealing strip in the closed state of the door leaf.

5. The hydraulic driven flood gate with threshold according to claim 4, characterized in that, it further comprises a latch assembly for applying a horizontal pushing force to the door leaf towards the fixed threshold after the door leaf is closed; the latch assembly comprises a latch driven by hydraulic pressure and a plug hole matched with the latch, and the plug hole applies a horizontal force perpendicular to the fixed threshold to the latch during the insertion of the latch into the plug hole.

6. The hydraulic driven flood gate with threshold according to any one of claims 1 to 5, characterized in that, the honeycomb module comprises a module plate, the module plate comprises a transition section and a honeycomb section, and the transition section and the honeycomb section are arranged alternately along the length direction of the module plate; the transition section comprises at least one butt joint plane. The honeycomb section comprises a three-fold structure protruding outward relative to the butt joint plane in the length direction of the module plate, and comprises a three-layer structure in the height direction of the module plate, which is an upper layer structure, a middle layer structure and a lower layer structure respectively; The module plates are arranged in pairs, and the two module plates in the same pair are symmetrically arranged and fixedly connected through the butt joint planes in the two opposite transition sections, the middle layer structure forms a regular hexagonal cylinder structure in the opposite honeycomb sections, the upper layer structure is connected to the middle layer structure through a beveled transition section, and the upper layer structure is arranged inclined towards the axis of the regular hexagonal cylinder structure, the lower layer structure is connected to the middle layer structure through a beveled transition section, and the lower layer structure is arranged inclined towards the axis of the regular hexagonal cylinder structure.

7. The flat-hung hydraulic drive threshold flood-proof door according to claim 6, wherein, The projection of the upper layer structure is located outside the projection of the middle layer structure, and the projection of the lower layer structure is located outside the projection of the middle layer structure in the direction parallel to the axis of the regular hexagonal cylinder structure.

8. The flat-hung hydraulic drive threshold flood-proof door according to claim 7, wherein, The upper layer structure and the lower layer structure are symmetrically arranged based on the middle layer structure.

9. The flat-hung hydraulic drive threshold flood-proof door according to claim 6, wherein, The drive system comprises a hydraulic cylinder and a door shaft assembly, the door shaft assembly comprises an assembly platform fixedly arranged relative to the door frame and a door shaft, the assembly platform is provided with a mounting hole, a bearing is arranged in the mounting hole, the door shaft is rotatably arranged on the assembly platform through the bearing, one end of the door shaft is power-connected to the hydraulic cylinder through a gear set, and the other end of the door shaft is provided with a door leaf mounting plate fixedly arranged on the side surface of the door leaf.

10. The flat-hung hydraulic drive threshold flood-proof door according to claim 5, wherein, A door leaf side frame is arranged on the side edge of the door leaf, an oil pipe groove for hydraulic oil pipe wiring is arranged in the door leaf side frame, a hydraulic oil pipe is arranged in the oil pipe groove and is internally wired and hydraulically driven connected to each door bolt assembly.

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