A flap gate and dam

Abstract

A kind of flap gate and dam, the flap gate includes the gate plate of lower end and ground base rotation connection;Linkage component extends along the width direction of gate plate, and can reciprocate along the width direction of gate plate;Drive mechanism is connected linkage component, for driving the movement of linkage component;One or more support components, upper end is supported in the back of gate plate, lower end has rotation connection in linkage component on linkage end;Stop component is connected with support component, when linkage component drives linkage end of support component to move, provide the force opposite to the direction of movement, make support component or part of support component deflect and change the support height of gate plate.Linkage component along the width direction of gate plate extends along the bottom of gate plate, can realize that a drive mechanism simultaneously drives multiple support components, reduces the number of drive mechanism, also correspondingly reduces failure point and maintenance point, so that the safety, reliability of equipment is improved, maintenance and repair difficulty are reduced.

Description

Technical Field

[0001] This invention relates to a water conservancy facility, specifically a flap gate and a dam. Background Technology

[0002] Dams are widely used for water retention and storage in applications such as agricultural irrigation, seawater tide control, and urban river landscaping. Hydraulic dams are a common type of dam, which use hydraulic cylinders to drive flap gates, causing them to rotate around a bottom hinged shaft to open and close the gates and regulate the water level.

[0003] The current status and existing problems of hydraulic gates in China are as follows: The first type of hydraulic gate uses hydraulic cylinders for long-term fatigue support. When the sealing material of the cylinder ages, leakage and internal leakage are prone to occur, causing the cylinder to slide down and collapse. The gate's lifespan is not very long. The second type of hydraulic gate adds a support rod. After the gate rotates to its position, the support rod holds it in place, preventing slide and collapse. However, an unlocking cylinder is required to push the support rod out of the holding position before the gate can be opened. This structure has many maintenance points, complex piping, difficult operation, high failure rate, and is difficult to maintain, often causing serious safety accidents.

[0004] Both of these structures require complex gate opening and closing cylinders and support rod unlocking cylinders on the back of the gate. The wider the gate and the more support points, the more numerous and complex the required cylinder system, resulting in poor aesthetics and an uneven appearance on the back of the gate. Crucially, the cylinders are located within the river channel and rotate as the gate panels rise and fall. During rotation, the cylinders often interfere with river debris or silt, causing damage. Furthermore, when downstream water levels are high, it is impossible to inspect and maintain the hydraulic cylinders.

[0005] The third type of hydraulic gate, called a bottom-shaft steel dam, operates using the torsional force of its bottom shaft. During use, the cylinders in the control rooms on both sides of the river channel often become out of sync, causing the gate to twist. Because there is no support mechanism for the gate body within the river channel, the bottom shaft often breaks, and the gate body frequently becomes twisted and deformed, failing to achieve the desired aesthetic effect and functional purpose. A larger diameter bottom shaft is often required to ensure safe operation, resulting in high material costs. Summary of the Invention

[0006] The technical problem to be solved by the present invention is to overcome the defects of multiple hydraulic cylinders supporting the back of the gate and the complex hydraulic system, and to provide a flap gate and dam.

[0007] The technical solution adopted by the present invention to solve the above-mentioned technical problems is: a flap gate, comprising:

[0008] The gate is rotatably connected to the ground foundation at its lower end, and the gate is opened and closed by rotating around the connection point.

[0009] A linkage member extending along the width direction of the gate and capable of reciprocating along the width direction of the gate;

[0010] A driving mechanism connected to the linkage member for driving the movement of the linkage member;

[0011] One or more support members, the upper end of which is supported on the back of the gate, and the lower end of which has a linkage end rotatably connected to the linkage member;

[0012] A stop member in contact with the support member, when the linkage member drives the linkage end of the support member to move, the stop member provides a force in the opposite direction of the movement to cause the support member or part of the support member to deflect and thus change the support height of the gate.

[0013] The present application has the advantages that the driving force of the gate support member is in the width direction of the gate, the linkage member for transmitting the driving force can be arranged along the bottom of the gate in the width direction of the gate, one driving mechanism can drive multiple support members, the number of driving mechanisms is reduced, the failure points and maintenance points are reduced, the safety and reliability of the equipment are improved, and the maintenance difficulty is reduced.

[0014] Further, the support member includes a first support member, the linkage end of the lower end of the first support member is rotatably connected to the linkage member, and the support force is applied to the ground foundation via the linkage member; the upper end of the first support member is rotatably connected to the connecting member on the back of the gate or is clamped into the bayonet on the back of the gate, and the connecting member or the bayonet applies the force to the first support member as the stop member. This support member has fewer components and a simple structure, and reduces the failure points and maintenance points.

[0015] Further, the connecting member includes a transverse support member, the transverse support member is arranged in the slide seat on the back of the gate in a transverse sliding manner, the end of the transverse support member is in contact with the side wall of the gate and applies the force to the first support member as the stop member.

[0016] The advantage is that the transverse force of the first support member is transmitted to the side wall via the transverse support member, the transverse force of the gate can be avoided, and the gate is prevented from being pressed against the side wall to cause excessive friction and affect the movement of the gate.

[0017] Further, the support member includes a first support member, the linkage end of the lower end of the first support member is rotatably connected to the linkage member, and the support force is applied to the ground foundation via the linkage member, the upper end of the first support member is supported on the back of the gate via the transverse support member hinged thereto, the transverse support member is connected to the vertical limiting member rotatably connected to the ground foundation, the end of the transverse support member is in contact with the side wall of the gate and applies the force to the first support member as the stop member.

[0018] Further, the support component comprises a first support member, a linkage end of the lower end of the first support member is rotatably connected to the linkage component, and the support force is applied to the ground base through the linkage component, and the upper end of the first support member is supported on the back of the gate.

[0019] Further, the support component comprises a first support member, a linkage end of the lower end of the first support member is rotatably connected to the linkage component, and the support force is applied to the ground base through the linkage component, and the upper end of the first support member is supported on the back of the gate.

[0020] Further, the support component comprises a first support member and a second support member which are hingedly connected, the lower end of one of the first support member and the second support member is a linkage end rotatably connected to the linkage component, and the lower end of the other is connected to the stop component.

[0021] Further, the upper end of the first support member is supported on the back of the gate, and the lower end of the first support member is provided with a linkage end rotatably connected to the linkage component; the lower end of the second support member is rotatably connected to a second support base which is the stop component, and the upper end of the second support member is hingedly connected to the top end or the middle part of the first support member.

[0022] Further, the lower end of the first support member is provided with a linkage end rotatably connected to the linkage component, and the upper end of the first support member is hingedly connected to the middle part of the second support member; the upper end of the second support member is supported on the back of the gate, and the lower end of the second support member is rotatably connected to a second support base which is the stop component.

[0023] Further, the middle part of the first support member is hingedly connected to the middle part of the second support member, and the upper ends of the first support member and the second support member are commonly supported on the back of the gate.

[0024] Further, the lower end of the linkage component is provided with a sliding mechanism, and the linkage component applies the support force to the ground base through the sliding mechanism.

[0025] Further, the back of the gate is provided with a sliding groove or a sliding rod arranged along the width direction of the gate, and the end of the support component for supporting the gate cooperates with the sliding groove or the sliding rod.

[0026] Further, the support component is provided with a rolling member which cooperates with the sliding groove or the sliding rod, and the rolling member is fixedly or rotatably connected to the support component.

[0027] Further, the support member or part of the support member can be deflected along the width direction of the gate to change the height of the support member in the vertical direction under the relative action of the linkage member and the stop member.

[0028] Further, the support member or part of the support member has a deflection amount in the front-rear direction of the gate while being deflected along the width direction of the gate, and a limiting member is arranged at the back of the gate to cooperate with the upper end of the support member to limit the movement of the support member in the upward direction of the gate.

[0029] Further, a positioning locking mechanism is arranged to lock the movement position of the linkage member.

[0030] Further, one end or both ends of the linkage member is connected with a driving mechanism, which is arranged in the space reserved in the ground foundation behind the retaining wall of the side of the gate or on the ground foundation behind the gate.

[0031] Further, the back of the gate is provided with a cover plate rotatably connected thereto, and a fence is arranged on the ground foundation behind the gate to cooperate with the lower end of the cover plate.

[0032] The present application also provides a dam, which comprises a dam body arranged at the bottom of a water channel as a ground foundation, and the above-mentioned flap gate is rotatably connected to the dam body. One side or both sides of the dam body are provided with a control room, and the driving mechanism for driving the movement of the flap gate is arranged in the control room and is in transmission connection with the support member of the flap gate via the transmission member penetrating through the retaining wall.

[0033] The advantage is that the linkage member for transmitting driving force can be arranged along the width direction of the bottom of the gate, and the driving mechanism for providing driving force can be arranged away from the water channel behind the gate. The driving mechanism arranged in the relatively dry environment of the control room can avoid damage caused by long-term water erosion and is convenient for maintenance and repair. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 is a structural schematic diagram of the flap gate of the present application.

[0035] Figure 2 is Figure 1 is a lateral schematic diagram of the flap gate shown in FIG. 1.

[0036] Figure 3 is Figure 1 is a schematic diagram of the state of the flap gate shown in FIG. 1 after being turned down.

[0037] Figure 4 is Figure 3 is a lateral schematic diagram of the flap gate shown in FIG. 1.

[0038] Figure 5 is a schematic diagram of the first embodiment of the support member of the present application in the movement state.

[0039] Figure 6 is a schematic diagram of the movement state change of a second embodiment of the support component of the present application.

[0040] Figure 7 is a schematic diagram of the movement state change of a third embodiment of the support component of the present application.

[0041] Figure 8 is a schematic diagram of the movement state change of a fourth embodiment of the support component of the present application.

[0042] Figure 9 is a schematic diagram of a sixth embodiment of the support component of the present application.

[0043] Figure 10 is a schematic diagram of a variant of the sixth embodiment of the support component of the present application.

[0044] Figure 11 is a schematic diagram of a seventh embodiment of the support component of the present application.

[0045] Figure 12 is a schematic diagram of the movement state change of a gate according to the present application. Figure 11 is a lateral schematic diagram of the movement state change of the gate according to the embodiment shown.

[0046] Figure 13 is a schematic diagram of an eighth embodiment of the support component of the present application.

[0047] Figure 14 is a lateral schematic diagram of the movement state change of the gate according to the embodiment shown. Figure 13

[0048] Figure 15 is a schematic diagram of a ninth embodiment of the support component of the present application.

[0049] Figure 16 is a schematic diagram of a tenth embodiment of the support component of the present application.

[0050] Figure 17 is a schematic diagram of an embodiment of the top rolling member of the support component of the present application.

[0051] Figure 18 is a schematic diagram of another embodiment of the top rolling member of the support component of the present application.

[0052] Figure 19 is a schematic diagram of the arrangement of the back cover plate of the flap gate according to the present application.

[0053] Figure 20 is a schematic diagram of an embodiment of the dam according to the present application.

[0054] Figure 21 is a schematic diagram of another embodiment of the dam according to the present application.

[0055] ​Marked in the figure: 1, gate, 101, door hinge, 2, linkage component, 3, driving mechanism, 4, support component, 401, linkage end, 5, stop component, 6, first support, 601, first support, 7, second support, 701, second support, 8, transverse support, 9, sliding seat, 10, pull rope or pull rod, 11, limit rolling mechanism, 12, sliding rod, 13, sliding groove, 14, rolling component, 15, connecting piece, 16, sliding mechanism, 17, vertical limit piece, 18, cover plate, 19, fence, 20, dam body, 21, control chamber, 22, retaining wall, 23, sump. DETAILED DESCRIPTION

[0056] The technical solutions of the present application are described below in combination with the drawings and specific embodiments. The specific content listed in the following examples is not limited to the technical features necessary for the technical problems to be solved by the technical solutions recited in the claims. At the same time, the listed examples are only a part of the present application, not all examples.

[0057] Figure 1 Fig. 4 shows a structural schematic diagram of the flap gate of the present application. The lower end of the gate 1 is rotationally connected with the ground foundation through the door hinge 101 or similar elements. The back of the gate 1 has one or more support components 4. By driving the support components 4, the gate 1 can be controlled to flip around the lower end connection point, so as to realize the opening and closing of the gate. Figure 2 The arrow in the middle indicates the direction of water flow. The lower back of the gate 1 is provided with a linkage component 2, which can be a rod in form, or a component with similar connection and transmission functions. The linkage component 2 extends along the width direction of the gate 1. The linkage component 2 is connected with a driving mechanism 3, which drives the linkage component 2 to reciprocate along the width direction of the gate. The driving mechanism 3 can be provided at one end of the linkage component 2, or driving mechanisms 3 can be provided at both ends. The linkage component 2 is used to drive the support component 4 to control the gate to flip open and close. The position where the lower end of the support component 4 is connected with the linkage component 2 is defined as the linkage end 401. The linkage component 2 can drive the linkage end 401 of the lower end of the support component 4 to move synchronously during the movement. The stop component 5 is used to exert an action force on the support component 4 in the opposite direction of the movement of the linkage component 2. For example, from the state shown in Figure 1 、 2 to the state shown in Figure 3 、 4 , the linkage end 401 of the support component 4 is pulled by the linkage component 2 towards Figure 1The right movement is prevented by the stopper 5 fixed on the ground base, which prevents the node connected with the support part 4 from moving to the right. Because the linkage part 2 is rotatably connected with the linkage end 401, under the double action of the forces in opposite directions of the linkage part 2 and the stopper 5, part of the support part 4 deflects, which causes the height change in the vertical direction, thus changing the support height of the gate 1.

[0058] The support part 4 can be as shown in Figure 5 The first support 6 and the second support 7 are hingedly connected. The lower end of one of the first support and the second support is rotatably connected with the linkage part 2 as the linkage end, and the lower end of the other is connected with the stopper. When the lower ends of the first support 6 and the second support 7 are driven to move relative to each other, the two supports deflect around the hinge point, thus causing the height change in the vertical direction.

[0059] For example Figure 5 In the embodiment shown, the upper end of the first support 6 is used to support the back of the gate 1, and the lower end is the linkage end 401. In this embodiment, the linkage end 401 of the first support 6 is rotatably connected with a first support seat 601 fixed on the linkage part 2. The lower end of the second support 7 is rotatably connected with a second support seat 701, which is fixed on the ground base as the stopper. In the state change process shown in the figure, the linkage part 2 drives the lower end of the first support 6 to move to the left, and the second support seat 701 as the stopper remains stationary and applies a rightward force on the middle part of the first support 6 through the second support 7, forcing the first support 6 to deflect and tilt to the right. Because the support height is reduced, the gate correspondingly flips and descends. Conversely, the gate correspondingly ascends.

[0060] Figure 6 Compared with Figure 5 In the embodiment shown, the upper end of the second support 7 is hingedly connected to the top end of the first support 6, and the upper ends of the first support 6 and the second support 7 jointly support the gate.

[0061] Figure 7 In the embodiment shown, the upper end of the second support 7 is used to support the back of the gate 1, and the lower end is rotatably connected with the second support seat 701 as the stopper. The upper end of the first support 6 is hingedly connected to the middle part of the second support 7, and the linkage end 401 of the lower end of the first support 6 is rotatably connected with the linkage part 2. The linkage part 2 drives the first support 6, and thus pushes the middle part of the second support 7 to deflect.

[0062] Figure 8 In the embodiment shown, the middle part of the first support 6 is hingedly connected with the middle part of the second support 7, the lower ends of the two are respectively connected with the linkage part 2 and the stopper, and the upper ends jointly support the back of the gate 1.

[0063] Figure 9 and 10 In the embodiment shown in Fig. 1, the support member 4 has only one first support 6, and the gate 1 is supported by the first support 6 alone. The lower end of the first support 6 is a linkage end 401, which is driven by the linkage member 2 and transmits the support force to the ground foundation via the linkage member. The upper end of the first support 6 can be rotatably connected to a connecting member 15 on the back of the gate 1 as shown in Fig. 2. When the linkage member 2 drives the lower end of the first support 6 to move, the connecting member 15 remains stationary in the direction of movement and applies a force to the first support 6 as a stop member. Alternatively, a slot can be provided on the back of the gate 1, which can be a groove or a semi-enclosed member as shown in Fig. 3, and the upper end of the first support 6 is inserted into the slot to limit the relative movement of the upper end of the first support 6 and the gate and allow a certain amount of rotation. Figure 10 Figure 9

[0064] Figure 11 and 12 In the embodiment shown in Fig. 1, the connecting member on the back of the gate includes a transverse support 8. The transverse support 8 extends along the width of the gate, and its end is in contact with the side wall 22 of the gate. The transverse support 8 can be mounted on the back of the gate by a shaft sleeve or a sliding seat 9, etc., so that it cannot move in the up-down direction of the gate (at least upwards), but can slide in the transverse direction. The upper end of the first support 6 is rotatably connected to the transverse support 8. When the linkage member 2 drives the first support 6 to move, the transverse force transmitted to the transverse support 8 via the first support 6 is applied to the side wall. Correspondingly, the transverse support 8 applies a counteracting force to the first support 6 as a stop member, causing the first support 6 to deflect. The end of the transverse support 8 in contact with the side wall can be provided with a sliding member, such as a roller, or a corresponding slide, block, etc. can be provided on the side wall to reduce friction. In this structure, the transverse force from the first support 6 is not directly applied to the gate, which can avoid deformation of the gate due to transverse force and excessive friction caused by the side of the gate being pressed against the side wall.

[0065] Unlike the embodiment shown in Fig. 1, Figure 11 and Figure 13 and 14 ​​In the shown embodiment, the transverse support 8 is not connected to the gate. The transverse support 8 is connected to a vertical limiting member 17 rotatably connected to the ground base, which in turn limits the vertical movement of the transverse support 8. The upper end of the first support 6 is rotatably connected to the transverse support 8, and is supported on the back of the gate via the transverse support 8. When the linkage component 2 drives the first support 6 to move, the vertical limiting member 17 rotates in the same direction as the gate. In this structure, the transverse support 8 and the vertical limiting member 17 are designed separately from the gate, which facilitates installation and separate maintenance and repair. Moreover, when there is an obstacle below the gate, it will not be damaged due to strong pulling downward.

[0066] Figure 15 In the shown embodiment, the support component 4 also uses a first support 6 to support the gate. The difference is that the stop component 5 can use a pulling element including a pulling rope or a pulling rod 10, one end of which is connected to the ground base and the other end is connected to the first support 6. For example Figure 15 As shown, when the linkage component 2 drives the lower end of the first support 6 to move leftward, the pulling rope or the pulling rod 10 exerts a rightward pulling force on the first support 6, causing the first support 6 to rotate about the hinge point at its lower end and lift up. The upper end of the first support 6 is matched with the slide rod 12 on the back of the gate through the roller with a groove, which lifts up the gate. The member on the ground base for fixing the pulling rope or the pulling rod 10 can be arranged across the linkage component 2, and the linkage component 2 passes through the member without affecting its transverse movement. The member can also be arranged at a suitable position according to the specific situation to play a fixing role.

[0067] Figure 16 In the shown embodiment, the stop component 5 includes a limiting rolling mechanism 11, which is fixed to the ground base through a member spanning the linkage component 2. The limiting rolling mechanism 11 abuts against the first support 6, and provides a force opposite to the movement direction when the linkage component 2 drives the lower end of the first support 6 to move to lift up the gate. As shown, when the linkage component 2 drives the lower end of the first support 6 to move leftward, the limiting rolling mechanism 11 abuts against the first support 6 from the left side, forcing the first support 6 to rotate and lift up, and then lifting up the gate. Considering that the first support 6 may have a certain amount of deflection in the direction of water flow during the opening and closing of the gate, the contact part of the limiting rolling mechanism 11 and the first support 6 can have a certain amount of movement in this direction, for example, the part of the first support 6 used to match the limiting rolling mechanism 11 is made slightly wider. Similarly, the limiting rolling mechanism 11 can also be provided with this movement.

[0068] In the scheme of the present application, under the relative action of the linkage component 2 and the stop component, the support component 4 as a whole deflects and tilts or lifts up along the width direction of the gate 1 (in the embodiment 16), or part of the support component 4 (in the embodiment 17) Figure 9 Figure 5 ​—In embodiment 8, the first support member 6 and the second support member 7) tilt or lift along the width direction of the gate 1, thereby changing the height of the support member 4 in the vertical direction. Compared with the existing gate support method, the support member 4 tilts or lifts in the width direction of the gate, which is more flexible. Moreover, this lateral tilting method allows the drive mechanism for laterally driving the support member 4 to be located on the side of the gate, and one drive mechanism can drive multiple support members 4 simultaneously through the linkage member 2, saving the number of drive mechanisms, protecting the drive mechanism from corrosion, and facilitating maintenance.

[0069] During the lateral deflection of the support component 4 along the width direction of the gate 1, the gate 1 flips and lowers or rises due to the change in support height. There are two ways the support component 4 and the gate 1 can cooperate. One way is that the support component 4 or its components can only deflect in the width direction of the gate. In this case, as the gate 1 flips, the support position of the support component 4 on the back of the gate 1 changes along the height direction of the gate. In this method, the support component 4 does not need to occupy much space in the front-back direction of the gate. Another way is that the support component 4 or its components, while deflecting along the width direction of the gate 1, also... Figure 2 and 4 As shown, the gate 1 also has a deflection amount in the front-to-back direction (water flow direction), which ensures that the support position of the support component 4 remains unchanged in the height direction of the gate (from the lower edge to the upper edge of the gate). This method keeps the support position on the back of the gate relatively fixed (fixed in one position, or fixed in a straight line), which facilitates the installation of corresponding support structures on the back of the gate. For example, a limiting component can be installed on the back of the gate, and the upper end of the support component 4 can be connected to the limiting component, which restricts the movement of the upper end of the support component 4 towards the upper edge of the gate. After the gate is rotated and raised to its position, the support component 4 can form a stable triangular support structure with the gate by supporting the limiting component. When the support component 4 is driven by the linkage component 2 to raise the gate, the support component 4 presses against the limiting component, and its deflection forces the gate to rotate and rise.

[0070] The deflection of the support component 4 in both directions can be achieved in the following ways, for example... Figure 1 In the embodiment shown in Figure 4, the linkage component 2 takes the form of a rotating shaft. It is mounted on a ground foundation via a bushing or other similar mechanism capable of simultaneously enabling rotation and lateral sliding of the linkage component 2. It can slide laterally and rotate along its own axis, but its movement in other directions is restricted. A hinge support is welded to the linkage component 2, and the linkage end 401 of the support component 4 is rotatably connected to this hinge support. The deflection of the support component 4 in the width direction of the gate is achieved by the hinge support, while the deflection in the front-to-back direction of the gate is achieved by the rotation of the rotating shaft. Alternatively, two perpendicularly intersecting rotating shafts or universal joints can be used to achieve deflection in both directions; specific methods can refer to existing technologies.

[0071] The limiting part on the back of the gate can be realized in the following ways. For example, Figure 2 and 4 In the embodiment shown in the figure, the back of the gate 1 is provided with a sliding groove 13, the upper end of the support part 4 is placed in the sliding groove, and a stable triangular support structure is formed between the gate and the support part. The sliding groove 13 is arranged along the width direction of the gate, and can slide along the sliding groove 13 when the upper end of the support part 4 changes its position in the width direction of the gate due to deflection. The specific form of the sliding groove 13 can be a concave groove or a convex part on the back of the gate. In this embodiment, the sliding groove 13 serves as a limiting part that limits the movement of the upper end of the support part 4 in the upward direction of the gate. If the position of the upper end of the support part 4 in the width direction of the gate does not change, a limiting part in the form of a notch or a block can be used. When the upper end of the support part 4 is placed in the sliding groove 13, the upper end of the support part 4 can be provided with a corresponding rolling member 14, which can be in the form of a roller or similar element, to reduce friction during relative movement. Figure 18

[0072] In the embodiment shown in the figure, Figure 15 In the embodiment shown in the figure, the limiting part is in the form of a sliding rod 12, which is fixed to the back of the gate through a corresponding support structure. The upper end of the support part 4 cooperates with the sliding rod 12 and can slide along the sliding rod 12. This sliding rod 12 structure is beneficial for the support part 4 to cooperate with it. In order to reduce the sliding friction, the top of the support part 4 can be provided with a rolling member 14 in the form of a roller. A groove is provided on the circumferential surface of the roller, and the sliding rod 12 is embedded in the groove, so that the roller can always be in contact with the sliding rod 12 during the deflection of the support part 4 and the lifting of the gate.

[0073] In some embodiments of the present application, the support part 4 is separable from the gate, and the gate only relies on the support part. When the support part 4 is lowered, the gate is lowered by its own weight or the pressure of the water flow. A corresponding pulling mechanism can be provided to exert a downward pulling force on the gate in this case. For example, the gate is connected to the linkage part by a pulling rope, and the pulling rope is changed in direction by guide wheels and other elements to convert the lateral movement of the linkage part into a downward pulling force on the gate. A corresponding pulling rope, hanging element or the like can also be provided on the support part 4 to achieve the function.

[0074] ​The driving mechanism 3 can be a hydraulic cylinder. Alternatively, a motor-driven screw or other device capable of linear driving can also be used. When a hydraulic cylinder or the like is used, a positioning pin, pawl or other form of positioning locking mechanism can be provided as required to lock the position of the linkage member 2 after the support member 4 has lifted the gate 1 into position, thereby preventing the hydraulic cylinder from being subjected to long-term stress and fatigue. The locking mechanism can act on the linkage member 2 or on the support member 4 associated therewith. If the support member 4 is arranged to move to a position perpendicular to the linkage member when the gate is lifted into position, the locking mechanism can be omitted. A sliding mechanism 16, such as a roller, roller shaft or other support structure capable of facilitating sliding, can be provided below the linkage member 2 as shown in Figs. 1-4. The linkage member 2 transmits the support force from the support member 4 to the ground foundation via the sliding mechanism 16.

[0075] In Figure 19 In the embodiment shown, the gate 1 is provided with a cover plate 18 on the back thereof. The cover plate can be a straight plate or a folding type. A fence 19 is provided on the ground foundation at the back of the gate. The upper end of the cover plate 18 is pivotally connected to the gate, and the lower end thereof is fitted on the fence 19. The cover plate 18 can protect the support member and other mechanisms at the back of the gate, prevent river trash and silt from invading, and eliminate the noise caused by the falling of river water. The fence 19 can also serve as a barrier to prevent river trash and silt from accumulating in the range of movement of the support member and hindering the movement thereof, thereby ensuring the safe operation of the mechanism.

[0076] Figure 20 And 21 A dam structure according to the present application is shown in the schematic view. The dam structure includes a dam body 20 provided at the bottom of a water channel as a bottom foundation, and the flap gate described above is pivotally connected to the dam body 20 via a gate hinge 101 or the like. A control room 21 is provided on one side of the dam body 20. The driving mechanism for driving the flap gate can be arranged in the control room behind a retaining wall 22 on the side of the gate 1. The driving mechanism 3 is separated from the water in the water channel by the retaining wall 22. A transmission member (such as the linkage member 2 or an accessory connecting member thereof) for driving the support member 4 of the gate is arranged to pass through the retaining wall 22 of the control room, thereby connecting the driving mechanism and the support member 4 in transmission. When the driving mechanism 3 is arranged at both ends of the linkage member 2, control rooms are provided on both sides of the dam body 20 of the gate.

[0077] In Figure 21 In the embodiment shown, a water collection pit 23 is further provided on the bottom surface of the control room 21 between the retaining wall 22 and the driving mechanism 3, for collecting water that has penetrated into the control room through the mating portion of the retaining wall 22 and the transmission member described above, thereby further ensuring that the driving mechanism is not eroded by water.

[0078] In case of large span of the dam, or in case of inconvenience to set the control room 21, the driving mechanism 3 can be set on the bottom surface of the riverway with a reserved installation space, for example Figure 21 As shown in the figure, the left driving mechanism 3 is set in an installation space on the ground surface, which can be a relatively closed groove or chamber, and the driving mechanism 3 is connected with the linkage component 2 through the wall of the space. In a dam, one or more sets of the flap gate can be set, and the support components 4 of the multiple sets of flap gates can share the linkage component 2 and the driving mechanism 3, or can be independently configured. For example, in the dam of the embodiment shown in the figure, there are multiple sets of flap gates, but only one set is shown, and the left gate plate and the matched support component are omitted. Figure 21 As shown in the figure, the left driving mechanism 3 is set in an installation space on the ground surface, which can be a relatively closed groove or chamber, and the driving mechanism 3 is connected with the linkage component 2 through the wall of the space. In a dam, one or more sets of the flap gate can be set, and the support components 4 of the multiple sets of flap gates can share the linkage component 2 and the driving mechanism 3, or can be independently configured. For example, in the dam of the embodiment shown in the figure, there are multiple sets of flap gates, but only one set is shown, and the left gate plate and the matched support component are omitted.

[0079] The above description of the specific embodiments is only used to help understand the technical concept and core idea of the present application, and although the technical solutions are described and explained by using specific preferred embodiments, it should not be understood as a limitation of the present application itself. Those skilled in the art can make various changes in form and details without departing from the technical concept of the present application. These easily thought changes or replacements should be covered in the protection scope of the present application.

Claims

1. A flap gate, characterized by: The utility model relates to a movable gate structure, comprising: a gate plate (1) rotatably connected with the ground foundation at the lower end, and the gate is opened or closed by turning around the connecting point; a linkage component (2) extending along the width direction of the gate plate (1) and capable of reciprocating along the width direction of the gate plate; a driving mechanism (3) connected with the linkage component (2) for driving the movement of the linkage component; a plurality of support components (4) supported at the back of the gate plate (1) at the upper end, and having linkage ends (401) rotatably connected with the linkage component (2) at the lower end; a stop component (5) connected with the support component (4) and providing a force opposite to the movement direction when the linkage component (2) drives the linkage end (401) of the support component (4) to move, so that the support component (4) or part of the support component deflects, tilts, or lifts along the width direction of the gate plate (1), thereby changing the height of the support component (4) in the vertical direction and the support height of the gate plate (1); a sliding mechanism (16) is arranged below the linkage component (2), and the linkage component (2) applies a support force to the ground foundation through the sliding mechanism (16); the support component (4) comprises a first support member (6) and a second support member (7) hingedly connected, one of the first support member and the second support member has a linkage end rotatably connected with the linkage component (2) at the lower end, and the other has a second support connected with the stop component at the lower end, and the second support is fixed to the ground foundation; a sliding groove (13) or a sliding rod (12) is arranged at the back of the gate plate (1) along the width direction of the gate plate, and the end of the support component (4) for supporting the gate plate (1) is matched with the sliding groove (13) or the sliding rod; a cover plate (18) is rotatably connected with the back of the gate plate, and a fence (19) is arranged on the ground foundation at the back of the gate plate and matched with the lower end of the cover plate.

2. A flap gate according to claim 1, wherein: the upper end of the first support member (6) is supported at the back of the gate plate (1), the lower end of the first support member has a linkage end (401) rotatably connected with the linkage component (2), the lower end of the second support member (7) is rotatably connected with a second support (701) as a stop component, and the upper end of the second support member (7) is hingedly connected to the top end or the middle part of the first support member (6).

3. A flap gate according to claim 1, wherein: the lower end of the first support member (6) has a linkage end (401) rotatably connected with the linkage component (2), and the upper end of the first support member (6) is hingedly connected to the middle part of the second support member (7); the upper end of the second support member (7) is supported at the back of the gate plate (1), and the lower end of the second support member (7) is rotatably connected with a second support (701) as a stop component.

4. A flap gate according to claim 1, wherein: the middle part of the first support member (6) is hingedly connected with the middle part of the second support member (7), and the upper ends of the first support member and the second support member are commonly supported at the back of the gate plate (1).

5. A flap gate according to claim 1, wherein: the support component (4) is provided with a rolling member (14) matched with the sliding groove (13) or the sliding rod (12), and the rolling member is fixedly or rotatably connected with the support component (4).

6. A flap gate according to claim 1, wherein: The support component (4) or part of the support components has a deflection amount in the front-back direction of the gate (1) while deflecting in the width direction of the gate (1), and a limiting component is arranged on the back of the gate to cooperate with the upper end of the support component (4) to limit the movement of the support component (4) in the upward direction of the gate.

7. A flap gate according to any one of claims 1 to 4, wherein: A positioning locking mechanism is further arranged to lock the movement position of the linkage component (2).

8. A flap gate according to any one of claims 1 to 4, wherein: One end or both ends of the linkage component (2) is connected with a driving mechanism (3), which is arranged behind the retaining wall (22) on the side of the gate (1) or in the space reserved in the ground foundation at the back of the gate.

9. A dam comprising a dam body (20) arranged at the bottom of a waterway as a ground foundation, characterized in that: The dam body (20) is rotatably connected with the flap gate according to any one of claims 1-8.

10. A dam as claimed in claim 9, wherein: A control room (21) is arranged on one side or both sides of the dam body (20), and the driving mechanism for driving the movement of the flap gate is arranged in the control room and is in driving connection with the support component (4) of the flap gate via a transmission component penetrating through the retaining wall (22).

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