Double-acting water conservancy gate

Abstract

The double-acting water conservancy gate comprises a gate frame, a gate body, a screw rod, a weight balancing assembly and a double-drive mechanism, the gate body is slidably connected into the gate frame in the vertical direction, the screw rod is rotationally connected to the center of the top of the gate body, and the screw rod penetrates through the top of the gate frame; a double-drive mechanism is arranged at the position, corresponding to the penetrating position of the screw, of the top of the gate frame, the double-drive mechanism is used for driving the screw to drive the gate to move, and weight balance assemblies are further arranged on the two sides of the top of the gate frame and used for reducing loads of the double-drive mechanism. Coexistence of manual operation and electric operation is achieved through the dual-drive mechanism, and therefore manual operation can be conducted when power failure emergency situations occur or a drive motor is damaged; upward force is applied to the guide wheel through the hydraulic spring rod, the steel cable is forced to upwards drive the gate to have the trend of upward movement at the same time, and therefore part of the self weight of the gate can be counteracted, and the force for manually driving and rotating the hand wheel is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy gate technical field especially is related to a double-acting water conservancy gate. BACKGROUND

[0002] The gate is the control facility for closing and opening the water discharge passage, is one of important components of water conservancy project, and water flow is intercepted through opening and closing the gate to control water level, regulate flow, discharge silt and float etc. The existing water conservancy gate is mostly independent electric control gate or manual control gate, the electric control gate cannot manually open or close the gate when encountering power failure emergency or drive motor damage, the manual control gate is good in stability and is not limited by any external condition, but is laborious to operate, therefore, to solve the above problems, a double-acting water conservancy gate is designed. SUMMARY

[0003] In view of the deficiency of the prior art, the utility model aims at providing a double-acting water conservancy gate, which has the advantages of electric and manual driving modes and labor-saving manual operation.

[0004] To achieve the above object, one technical scheme of the utility model is as follows: a double-acting water conservancy gate, which comprises a gate frame, a gate, a screw rod, a weight balance assembly and a double-drive mechanism, the gate is vertically slidably connected in the gate frame, the gate top center is rotationally connected with the screw rod, the screw rod penetrates the gate frame top, the gate frame top is provided with the double-drive mechanism corresponding to the screw rod penetration position, the double-drive mechanism is used for driving the screw rod to move the gate, and the gate frame top sides are further provided with the weight balance assembly, and the weight balance assembly is used for reducing the double-drive mechanism load.

[0005] Preferably, the weight balance assembly comprises a hydraulic spring rod, a steel cable and a guide wheel, the hydraulic spring rod is fixed to the gate frame top end face, the hydraulic spring rod telescopic end is provided with the guide wheel, one end of the steel cable is fixedly connected with the gate top, the other end of the steel cable is fixedly connected with the gate frame top end face, and the steel cable middle part is wound on the guide wheel outer edge.

[0006] Further preferably, the hydraulic spring rod telescopic direction is vertically upward, the hydraulic spring rod forces the guide wheel to move upward, the upward force exerted by the hydraulic spring rod on the guide wheel forces the steel cable to simultaneously have an upward movement tendency, since one end of the steel cable is fixedly connected with the immovable gate frame top and the other end is fixedly connected with the movable gate top, the force exerted by the hydraulic spring rod forces the gate to have an upward movement tendency, thereby being able to offset part of the gate self weight to achieve the purpose of reducing the double-drive mechanism load.

[0007] Preferably, the double drive mechanism comprises a driving motor, a driving gear, a driven gear, a cylindrical nut and a hand wheel, one end of the cylindrical nut is rotatably connected to the top end face of the gate frame, the other end of the cylindrical nut is fixedly connected with the driven gear, the cylindrical nut is engaged with the screw rod, the hand wheel is fixedly connected to the top of the driven gear, the driven gear is engaged with the driving gear, the driving gear is fixedly connected with the output shaft of the driving motor, and the driving motor is fixed to the top end face of the gate frame.

[0008] The utility model discloses the beneficial effects are: 1, through the double drive mechanism realizes the coexistence of manual and electric, thereby when meeting the power failure emergency or drive motor damage, can carry out manual operation, 2, through the upward force that hydraulic spring rod exerts to the guide wheel, force steel cable to drive gate to have the tendency of upward movement simultaneously upward, thereby can offset a part of gate's self weight, to reach the strength of reducing manual drive rotation hand wheel. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the utility model gate closed state cross section structure view;

[0010] Figure 2 It is the utility model gate open state cross section structure view;

[0011] Figure 3 It is the utility model Figure 1 The local enlarged view of I area in it;

[0012] Figure 4 It is the utility model Figure 2 The local enlarged view of II area in it. DETAILED DESCRIPTION

[0013] The preferred embodiments of the utility model are described in detail below in combination with the drawings, so that the advantages and characteristics of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model is more clearly and explicitly defined.

[0014] It should be noted that, in the description of the utility model, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the direction or positional relationship terms based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the utility model.

[0015] In addition, it needs to be explained that, in the description of the utility model, unless another explicit provision and limitation, the terms "mount", "connect", "connect", "have", "set" should be broad sense, for example, can be fixed connection, can be detachable connection, or integrally connected, can be directly connected, can be indirectly connected through the intermediate medium, can be two elements inside the communication. For those skilled in the art, the above terms can be understood according to the specific meaning of the utility model.

[0016] Please refer to Figures 1 to 4 The utility model embodiment includes:

[0017] A double-acting water conservancy gate, including gate frame 1, gate 2, screw rod 3, weight balance assembly 4 and double drive mechanism 5, gate 2 vertical direction sliding connection is connected in gate frame 1, the top center of gate 2 is rotatably connected with screw rod 3, screw rod 3 penetrates the top of gate frame 1, the top of gate frame 1 is equipped with double drive mechanism 5 with the penetration position of screw rod 3, and double drive mechanism 5 is used to drive screw rod 3 to drive gate 2 to move, the top of gate frame 1 is also equipped with weight balance assembly 4 on both sides, and weight balance assembly 4 is used to reduce the load of double drive mechanism 5;

[0018] The weight balance assembly 4 includes hydraulic spring rod 41, steel cable 42 and guide wheel 43, the hydraulic spring rod 41 is fixed at the top end face of gate frame 1, the hydraulic spring rod 41 is equipped with guide wheel 43 at the telescopic end, one end of the steel cable 42 is fixedly connected with the top of gate 2, the other end of the steel cable 42 is fixedly connected with the top end face of gate frame 1, and the steel cable 42 is wound on the outer edge of guide wheel 43 in the middle part;

[0019] The telescopic direction of hydraulic spring rod 41 is vertically upwards, and the hydraulic spring rod 41 forces guide wheel 43 to move upwards;The upward force that hydraulic spring rod 41 exerts on guide wheel 43 forces steel cable 42 to simultaneously have an upward movement trend, since one end of steel cable 42 is fixedly connected with the top of immovable gate frame 1 and the other end is fixedly connected with the top of movable gate 2, the force exerted by hydraulic spring rod 41 forces gate 2 to have an upward movement trend, so that a part of the weight of gate 2 can be offset, to achieve the purpose of reducing the load of double drive mechanism 5;

[0020] The double drive mechanism 5 comprises a driving motor 51, a driving gear 52, a driven gear 53, a cylindrical nut 54 and a hand wheel 55, one end of the cylindrical nut 54 is rotatably connected to the top end face of the gate frame 1, the other end of the cylindrical nut 54 is fixedly connected with the driven gear 53, the cylindrical nut 54 is engaged with the screw rod 3, the hand wheel 55 is fixedly connected to the top of the driven gear 53, the driven gear 53 is engaged with the driving gear 52, the driving gear 52 is fixedly connected with the output shaft of the driving motor 51, and the driving motor 51 is fixed to the top end face of the gate frame 1;

[0021] Through the above setting, in the actual working process, the specific working principle is as follows:

[0022] Electric mode: when the gate 2 needs to be opened, the driving motor 51 is started to rotate forward, the driving motor 51 drives the cylindrical nut 54 to rotate through the driving gear 52 and the driven gear 53, the rotating cylindrical nut 54 drives the screw rod 3 to lift the gate 2 upward, until the gate 2 moves to the state shown in Figure 2 , the driving motor 51 is turned off, so as to complete the opening of the gate 2; when the gate 2 needs to be closed, the driving motor 51 is started to rotate reversely, when the driving motor 51 drives the gate 2 to fall to the state shown in Figure 1 , the driving motor 51 is turned off, so as to complete the closing of the gate 2.

[0023] Manual mode: the hand wheel 55 provided at the top is reversely rotated, so that the hand wheel 55 drives the cylindrical nut 54 to rotate at the same time, the rotating cylindrical nut 54 drives the screw rod 3 to lift the gate 2 upward, until the gate 2 moves to the state shown in Figure 2 , the opening of the gate 2 is completed; when the gate 2 needs to be closed, the hand wheel 55 provided at the top is forwardly rotated, so that the hand wheel 55 drives the cylindrical nut 54 to rotate at the same time, the rotating cylindrical nut 54 drives the screw rod 3 to fall the gate 2, until the gate 2 moves to the state shown in Figure 1 , the closing of the gate 2 is completed;

[0024] The above only describes the embodiments of the utility model, and does not limit the patent range of the utility model, any equivalent structure or equivalent process transformation according to the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A double-acting hydraulic gate, characterized in that, The device includes a gate frame, a gate, a screw, a weight balancing assembly, and a dual-drive mechanism. The gate is vertically slidably connected within the gate frame. A screw is rotatably connected to the top center of the gate and passes through the top of the gate frame. A dual-drive mechanism is provided on the top of the gate frame corresponding to the position through which the screw passes, and the dual-drive mechanism is used to drive the screw to move the gate. Weight balancing assemblies are also provided on both sides of the top of the gate frame to reduce the load on the dual-drive mechanism.

2. A double-acting hydraulic gate according to claim 1, characterized in that, The weight balancing assembly includes a hydraulic spring rod, a steel cable, and a guide wheel. The hydraulic spring rod is fixed to the top end face of the gate frame. The telescopic end of the hydraulic spring rod is provided with a guide wheel. One end of the steel cable is fixedly connected to the top of the gate, and the other end of the steel cable is fixedly connected to the top end face of the gate frame. The middle part of the steel cable is wound around the outer edge of the guide wheel.

3. A double-acting hydraulic gate according to claim 2, characterized in that, The hydraulic spring rod extends vertically upwards, forcing the guide wheel to move upwards.

4. A double-acting hydraulic gate according to claim 1, characterized in that, The dual-drive mechanism includes a drive motor, a drive gear, a driven gear, a cylindrical nut, and a handwheel. One end of the cylindrical nut is rotatably connected to the top end face of the gate frame, and the other end of the cylindrical nut is fixedly connected to the driven gear. The cylindrical nut meshes with a screw. The handwheel is fixedly connected to the top of the driven gear. The driven gear meshes with the drive gear. The drive gear is fixedly connected to the output shaft of the drive motor. The drive motor is fixed to the top end face of the gate frame.

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