Hydropower station gate pressing device

By combining hydraulic cylinders and motor drives, the problem of the gate clamping device in hydropower stations being unable to clamp smoothly was solved, realizing efficient gate operation and convenient replacement of clamping blocks.

CN223824127UActive Publication Date: 2026-01-23JINHUA YONGTAI HYDROPOWER ENG MASCH CO LTD
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Patent Information

Application Number
CN202520272855.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2026-01-23
Estimated Expiration
2035-02-20

AI Technical Summary

Technical Problem

The existing gate clamping device of hydropower station cannot smoothly move the gate down to clamp when driving the movable plate, which makes it inconvenient to use.

Method used

A hydraulic cylinder drives the clamping seat to cooperate with the inclined plane, combined with a motor-driven screw and movable seat, to achieve smooth clamping and opening of the gate, and the clamping block can be easily replaced by locking bolts.

Benefits of technology

This enables the gate to be smoothly tightened and opened, improves operational efficiency, and facilitates the replacement and maintenance of the tightening blocks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hydropower station gate pressing device, and relates to the technical field of hydropower stations. The gate comprises a gate body, a gate is slidably connected into the gate body, a movable seat is slidably connected into the gate, a motor is fixedly mounted at the top of the gate body, a screw is coaxially and fixedly connected to the output end of the motor, the lower end of the screw is screwed into the movable seat in a threaded mode, and pressing blocks are symmetrically and fixedly connected to the tops, on the two sides of the movable seat, of the gate. The pressing block is locked and fixed to the gate through a locking bolt, and a second inclined face is arranged on the pressing block. The hydraulic cylinder is driven to drive the pressing seat to move towards the pressing block, the pressing block and the gate can be extruded downwards through matching of the first inclined face and the second inclined face, the movable seat can slide along the movable groove, so that the gate can be smoothly pressed, and the locking bolt is screwed out, so that the gate can be tightly pressed. And a pressing block can be detached from the top of the gate, so that the pressing block can be conveniently replaced by a worker, and the using effect is better.
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Description

Technical Field

[0001] This utility model belongs to the field of hydropower station technology, and in particular relates to a hydropower station gate clamping device. Background Technology

[0002] A hydropower station consists of a hydraulic system, a mechanical system, and an electrical power generation device. It is a water conservancy project that realizes the conversion of water energy into electrical energy. The sustainability of electrical power production requires that the utilization of water energy in a hydropower station be uninterrupted. The gates of a hydropower station are used to control the flow of water. A search revealed that patent application number 202421109618.7 discloses a gate clamping device for a hydropower station, including a gate assembly comprising a gate body and a gate plate; and a clamping assembly comprising a support plate, a lead screw, a reciprocating motor, a movable block, a movable plate, and a rotating wheel. The support plate is fixedly connected to both sides of the outer end of the gate body, the lead screw is sleeved on the inner side of the support plate, the reciprocating motor is fixedly connected to the outer side of the support plate, the movable block is sleeved on the outer surface of the lead screw, the movable plate is fixedly connected to the inner side of the movable block, and the rotating wheel is fixedly connected to both sides of the inner upper end of the gate plate.

[0003] However, during actual use, the applicant found that when the gate is pressed down by driving the movable plate, the lower end of the gate is connected to the worm gear, which makes it impossible for the movable plate to move the gate down smoothly to press it down. In view of this, we propose a gate pressing device for hydropower stations. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0005] This utility model relates to a gate clamping device for a hydropower station, comprising a gate body, a gate slidably connected inside the gate body, a movable seat slidably connected inside the gate, a motor fixedly mounted on the top of the gate body, a screw fixedly connected coaxially to the output end of the motor, the lower end of the screw being threaded into the movable seat, clamping blocks symmetrically fixedly connected to the top of the gate on both sides of the movable seat, the clamping blocks being locked and fixed to the gate by locking bolts, a second inclined surface being provided on the clamping block, hydraulic cylinders symmetrically fixedly mounted on both sides of the gate body, a clamping seat being fixedly connected to the telescopic end of the hydraulic cylinder, a first inclined surface being provided on the clamping seat, the first inclined surface and the second inclined surface being connected in cooperation.

[0006] Preferably, the top of the gate is provided with symmetrical positioning grooves.

[0007] Preferably, the bottom of the clamping block is fixedly provided with a positioning protrusion, which is inserted into the positioning groove.

[0008] Preferably, the lower end of the locking bolt passes through the clamping block and is screwed into the threaded hole on the gate. The top of the clamping block is provided with a stepped groove, and the upper end of the locking bolt is embedded in the stepped groove.

[0009] Preferably, guide grooves are symmetrically provided on both sides of the gate body, and guide sliders are symmetrically provided on both sides of the gate, and the guide sliders slide along the guide grooves. The width of the guide sliders is the same as the width of the clamping blocks.

[0010] Preferably, the upper part of the gate is provided with a movable groove, the movable seat slides along the inner wall of the movable groove along the side wall, and the inner wall of the gate body is symmetrically provided with a receiving groove, and the pressing seat slides along the receiving groove.

[0011] This utility model has the following beneficial effects:

[0012] This utility model discloses a gate clamping device for hydropower stations. By driving a hydraulic cylinder, the clamping seat moves toward the clamping block. The clamping block and the gate are pressed downward by the cooperation of the first and second inclined surfaces. Since the movable seat can slide along the movable groove, the gate can be clamped smoothly. By unscrewing the locking bolt, the clamping block can be removed from the top of the gate, making it convenient for personnel to replace the clamping block and improving the performance. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the external structure of a hydropower station gate clamping device according to the present invention;

[0015] Figure 2 This is a schematic diagram of the internal structure of a hydropower station gate clamping device according to the present invention;

[0016] Figure 3 This utility model relates to a gate clamping device for a hydropower station. Figure 2 Enlarged view of the structure at point A in the middle.

[0017] The attached diagram lists the components represented by each number as follows:

[0018] 1. Gate body; 11. Guide groove; 12. Storage groove; 2. Motor; 3. Screw; 4. Movable seat; 5. Hydraulic cylinder; 6. Gate; 61. Movable groove; 62. Guide slider; 63. Positioning groove; 7. Pressing seat; 71. First inclined surface; 8. Pressing block; 81. Second inclined surface; 82. Positioning protrusion; 9. Locking bolt. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-3 As shown, this utility model provides a technical solution:

[0021] A gate clamping device for a hydropower station includes a gate body 1, a gate 6 slidably connected inside the gate body 1, guide grooves 11 symmetrically opened on both sides of the gate body 1, guide sliders 62 symmetrically arranged on both sides of the gate 6, and the guide sliders 62 sliding along the guide grooves 11, a movable seat 4 slidably connected inside the gate 6, a movable groove 61 opened on the upper part of the gate 6, the movable seat 4 sliding along the inner wall of the movable groove 61 along the side wall, a motor 2 fixedly mounted on the top of the gate body 1, and a screw 3 coaxially fixedly connected to the output end of the motor 2. The lower end of the screw is screwed into the movable seat 4. A clamping block 8 is symmetrically fixedly connected to the top of the gate 6 on both sides of the movable seat 4. The width of the guide slider 62 is the same as the width of the clamping block 8. A second inclined surface 81 is provided on the clamping block 8. Hydraulic cylinders 5 are symmetrically fixedly installed on both sides of the gate body 1. A clamping seat 7 is fixedly connected to the telescopic end of the hydraulic cylinder 5. A receiving groove 12 is symmetrically opened on the inner wall of the gate body 1. The clamping seat 7 slides along the receiving groove 12. A first inclined surface 71 is provided on the clamping seat 7. The first inclined surface 71 and the second inclined surface 81 are connected in cooperation. The clamping seat 7 is driven by a hydraulic cylinder. Hydraulic cylinder 5 drives pressing seat 7 to move towards pressing block 8. Through the cooperation of the first inclined surface 71 and the second inclined surface 81, it can press pressing block 8 and gate 6 downwards. Since movable seat 4 can slide along movable groove 61, it can smoothly press gate 6. When closing gate 6, the drive motor 2 can rotate forward to drive screw 3 to rotate. The rotation of screw 3 can drive movable seat 4 to move downwards along movable groove 61. Movable seat 4 can drive gate 6 downwards. When the drive motor 2 stops, it is necessary to press gate 6. The hydraulic cylinder 5 can be driven to move the pressing seat 7 toward the pressing block 8. Through the cooperation of the first inclined surface 71 and the second inclined surface 81, the pressing block 8 and the gate 6 can be moved downward to press the gate 6. When it is necessary to open the gate 6, the hydraulic cylinder 5 can be driven in reverse to move the pressing seat 7 into the receiving groove 12, and the motor 2 can be driven in reverse to rotate the screw 3. The rotation of the screw 3 can drive the movable seat 4 to move upward along the movable groove 61. The upward movement of the movable seat 4 can pull the gate 6 upward, thus opening the gate 6.

[0022] The clamping block 8 is locked and fixed to the gate 6 by the locking bolt 9. The top of the gate 6 is symmetrically provided with positioning grooves 63, and the bottom of the clamping block 8 is fixedly provided with positioning protrusions 82, which are inserted into the positioning grooves 63. The lower end of the locking bolt 9 passes through the clamping block 8 and is screwed into the threaded hole on the gate 6. The top of the clamping block 8 is provided with a stepped groove, and the upper end of the locking bolt 9 is embedded in the stepped groove. By unscrewing the locking bolt 9, the clamping block 8 can be removed from the top of the gate 6, which is convenient for personnel to replace the clamping block 8 and improves the performance. After a period of time, when the clamping block 8 needs to be replaced, the locking bolt 9 can be unscrewed from the gate 6 with an Allen wrench, and the clamping block 8 can be removed from the top of the gate 6 for disassembly and replacement.

[0023] Working principle: During use, when closing the gate 6, the drive motor 2 rotates forward, driving the screw 3 to rotate. The rotation of the screw 3 causes the movable seat 4 to move downward along the movable groove 61. The movable seat 4 then moves the gate 6 downward. When the drive motor 2 stops and it is necessary to press the gate 6, the drive hydraulic cylinder 5 moves the pressing seat 7 towards the pressing block 8. Through the cooperation of the first inclined surface 71 and the second inclined surface 81, the pressing block 8 and the gate 6 can be moved downward, successfully pressing the gate 6. To open the gate 6, the hydraulic cylinder 5 can be reversed to move the clamping seat 7 into the receiving groove 12, and the motor 2 can be reversed to rotate the screw 3. The rotation of the screw 3 can move the movable seat 4 upward along the movable groove 61. The upward movement of the movable seat 4 can pull the gate 6 upward, thus opening the gate 6. After a period of time, when it is necessary to replace the clamping block 8, the locking bolt 9 can be unscrewed from the gate 6 using an Allen wrench, and the clamping block 8 can be removed from the top of the gate 6 for disassembly and replacement.

[0024] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0025] The above are merely preferred embodiments of the present utility model and do not limit the present utility model. Any modifications to the technical solutions described in the foregoing embodiments or equivalent substitutions of some of the technical features shall fall within the protection scope of the present utility model.

Claims

1. A gate clamping device for a hydropower station, comprising a gate body (1), characterized in that: The gate body (1) is internally slidably connected to a gate (6), and the gate (6) is internally slidably connected to a movable seat (4). A motor (2) is fixedly installed on the top of the gate body (1). A screw (3) is coaxially fixedly connected to the output end of the motor (2). The lower end of the screw (3) is threaded into the movable seat (4). A clamping block (8) is symmetrically fixedly connected to the top of the gate (6) on both sides of the movable seat (4). The clamping block (8) is locked and fixed to the gate (6) by a locking bolt (9). A second inclined surface (81) is provided on the clamping block (8). Hydraulic cylinders (5) are symmetrically fixedly installed on both sides of the gate body (1). A clamping seat (7) is fixedly connected to the telescopic end of the hydraulic cylinder (5). A first inclined surface (71) is provided on the clamping seat (7). The first inclined surface (71) and the second inclined surface (81) are connected in cooperation.

2. The gate clamping device for a hydropower station according to claim 1, characterized in that, The top of the gate (6) is symmetrically provided with positioning grooves (63).

3. The gate clamping device for a hydropower station according to claim 2, characterized in that, The bottom of the clamping block (8) is fixedly provided with a positioning protrusion (82), which is inserted into the positioning groove (63).

4. The gate clamping device for a hydropower station according to claim 3, characterized in that, The lower end of the locking bolt (9) passes through the clamping block (8) and is screwed into the threaded hole on the gate (6). The top of the clamping block (8) is provided with a stepped groove, and the upper end of the locking bolt (9) is embedded in the stepped groove.

5. A gate clamping device for a hydropower station according to claim 1, characterized in that, The gate body (1) has symmetrical guide grooves (11) on both sides inside, and guide sliders (62) are symmetrically arranged on both sides of the gate (6). The guide sliders (62) slide along the guide grooves (11), and the width of the guide sliders (62) is the same as the width of the pressing block (8).

6. The gate clamping device for a hydropower station according to claim 1, characterized in that, The upper part of the gate (6) is provided with a movable groove (61), the movable seat (4) slides along the inner wall of the movable groove (61) along the side wall, the inner wall of the gate body (1) is symmetrically provided with a storage groove (12), and the pressing seat (7) slides along the storage groove (12).

Citation Information

Patent Citations

  • Hydropower station gate pressing device

    CN222294879U