High-strength high-performance water-stopping flat plate cast iron gate

Abstract

The utility model discloses a high -strength high -performance water stop's flat plate cast iron gate belongs to gate technical field, including the gate frame, the position on the inside upper portion of gate frame is provided with the limiting placement cavity, the gate is slidably arranged in the limiting placement cavity, the switch mechanism that drives gate moves up and down is provided in the limiting placement cavity, the inboard wall of gate frame is provided with the sealing groove, and the sealing groove is located the front position of gate, the water stop tape is provided in the sealing groove, and the inboard wall of gate frame is provided with the double wedge block compression assembly that is left and right symmetrical, and the double wedge block compression assembly is used for compressing the water stop tape. The utility model discloses high -strength high -performance water stop's flat plate cast iron gate through the design of double wedge block compression assembly, has improved the area of compressing force pressure, and then has improved the sealing performance, has ensured low water pressure still can seal.

Description

Technical Field

[0001] This utility model relates to the field of gate technology, and in particular to a high-strength, high-performance water-stopping flat cast iron gate. Background Technology

[0002] Flat cast iron sluice gates play an irreplaceable role in water conservancy, municipal engineering, and industry, serving as floodgates in reservoirs, rivers, and dams to regulate water levels and prevent flooding during heavy rains or floods. However, during long-term use, flat cast iron sluice gates may experience various problems due to improper materials, design, installation, or maintenance, such as poor sealing and large leakage. These problems are mostly caused by: aging, wear, or improper installation of the waterstop strip; insufficient or failed spring clamping force; and deformation of the gate frame or warping of the gate plate, leading to poor sealing. To address these issues, this invention proposes a high-strength, high-performance water-stopping flat cast iron sluice gate, which ensures high-performance water-stopping by improving the pre-tightening force of the wedge blocks. Utility Model Content

[0003] The purpose of this invention is to provide a high-strength, high-performance water-stopping flat cast iron gate to solve the problems mentioned above.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] This utility model discloses a high-strength, high-performance water-stopping flat cast iron gate, comprising a gate frame, a limiting cavity provided at the upper position inside the gate frame, and a gate slidably disposed within the limiting cavity; a switching mechanism for driving the gate to move up and down is provided within the limiting cavity; a sealing groove is provided on the inner side wall of the gate frame, the sealing groove being located in front of the gate; a water-stopping strip is provided within the sealing groove; and double wedge block clamping assemblies are symmetrically arranged on the left and right sides of the inner side wall of the gate frame, the double wedge block clamping assemblies being used to clamp the water-stopping strip.

[0006] Furthermore, the gate includes a gate body, and the back of the gate body is provided with reinforcing ribs, which are distributed in a grid pattern.

[0007] Furthermore, the switching mechanism includes a rack disposed at the center of the back of the gate, the length of the rack being the same as the height of the gate; a gear meshes on the rack, and the center of the gear is keyed to a rotating shaft; one end of the rotating shaft is rotatably disposed on the gate frame, and the other end extends out of the gate frame and is connected to a handwheel.

[0008] Furthermore, the double wedge block clamping assembly includes wedge block clamping mechanisms symmetrically distributed vertically and a bidirectional telescopic mechanism for connecting the wedge block clamping mechanisms.

[0009] Furthermore, the wedge-shaped block clamping mechanism includes a fixed block fixedly connected to the gate frame, and a sliding block slidably disposed on the bottom of the fixed block; a top plate is disposed at the end of the sliding block away from the fixed block, a limit groove is formed on the top plate, a limit screw is slidably disposed in the limit groove, and the threaded end of the limit screw passes through the limit groove and is threadedly connected to the end of the fixed block; a bracket is disposed at the end of the top plate away from the fixed block, and a connecting ear is disposed at the end of the bracket away from the top plate, the connecting ear being used to connect the bidirectional telescopic mechanism; a return spring is sleeved on the limit screw, one end of the return spring abutting against the fixed block, and the other end abutting against the top plate.

[0010] Furthermore, the contact surfaces of the fixed block and the sliding block are respectively provided with mutually cooperating slide rails and sliders.

[0011] Furthermore, one side of the fixing block is integrally formed with a connecting part for fixed connection with the gate frame.

[0012] Furthermore, the bidirectional telescopic mechanism includes a housing, inside which a threaded sleeve is rotatably disposed, with a screw threadedly connected to the upper and lower ends of the threaded sleeve, and a connecting hole provided at the end of the screw away from the threaded sleeve; an anti-rotation groove is provided on the screw, and an anti-rotation block is provided between the anti-rotation groove and the housing; a worm gear structure is fitted on the outer wall of the threaded sleeve.

[0013] Furthermore, the threads on the inner wall of the screw sleeve are left-handed and right-handed, respectively, and the threads on the upper and lower screws are left-handed and right-handed, respectively.

[0014] Furthermore, the worm gear structure includes a worm gear sleeved on the outer periphery of the screw sleeve, the worm gear meshing with a worm, and the worm passing through the housing and connected to a drive device.

[0015] Compared with the prior art, the beneficial technical effects of this utility model are as follows:

[0016] This utility model of a high-strength, high-performance water-stopping flat cast iron gate improves the area of ​​pressure application by using a double wedge block clamping assembly, thereby enhancing sealing performance and ensuring a seal even under low water pressure. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 This is the main view of the high-strength, high-performance water-stopping flat cast iron gate of this utility model;

[0019] Figure 2 This is a structural diagram of the back of the gate;

[0020] Figure 3 This is a schematic diagram of the wedge block clamping mechanism.

[0021] Figure 4 This is a schematic diagram of a bidirectional telescopic mechanism.

[0022] Explanation of reference numerals in the attached drawings: 1. Gate frame; 2. Limiting cavity; 3. Gate; 4. Switching mechanism; 5. Sealing groove; 6. Wedge block clamping mechanism; 7. Bidirectional telescopic mechanism;

[0023] 301. Gate body; 302. Reinforcing rib;

[0024] 401. Rack; 402. Gear; 403. Shaft; 404. Handwheel;

[0025] 601. Fixing block; 602. Connecting part; 603. Sliding block; 604. Top plate; 605. Limiting groove; 606. Limiting screw; 607. Return spring; 608. Bracket; 609. Connecting ear;

[0026] 701. Housing; 702. Screw; 703. Anti-rotation groove; 704. Connecting hole; 705. Worm gear structure. Detailed Implementation

[0027] like Figure 1-4 As shown, a high-strength, high-performance water-stopping flat cast iron gate includes a gate frame 1. A limiting cavity 2 is installed at the upper position inside the gate frame 1, and a gate 3 is slidably installed within the limiting cavity 2. The gate 3 includes a gate body 301, made of QT450-10 or higher grade ductile iron, with a tensile strength exceeding 450 MPa and a yield strength of 310 MPa, far exceeding that of ordinary gray cast iron (tensile strength only 150-250 MPa). Its spheroidal graphite structure significantly improves impact resistance. Reinforcing ribs 302 are installed on the back of the gate body 301, and these ribs are distributed in a grid pattern to prevent deformation.

[0028] The limiting placement cavity 2 is equipped with a switching mechanism 4 that drives the gate 3 to move up and down. The switching mechanism 4 includes a rack 401 mounted on the center of the back of the gate 3, the length of which is the same as the height of the gate 3. A gear 402 meshes with the rack 401, and the center of the gear 402 is keyed to a rotating shaft 403. One end of the rotating shaft 403 is rotatably mounted on the gate frame 1, and the other end extends out of the gate frame 1 and is connected to a handwheel 404 or a drive device such as a geared motor. By rotating the rotating shaft 403, the gear 402 rotates, which drives the meshing rack 401 to move up and down relative to the gear 402, thereby driving the gate 3 to move up and down, realizing the opening and closing of the gate 3.

[0029] A sealing groove 5 is installed on the inner side wall of the gate frame 1. The sealing groove 5 is located in front of the gate 3. A waterstop is installed in the sealing groove 5. The waterstop is made of rubber and works with the gate 3 to form a two-way seal.

[0030] A double wedge block clamping assembly is symmetrically installed on the inner sidewall of the gate frame 1. The double wedge block clamping assembly is used to clamp the waterstop. The double wedge block clamping assembly includes wedge block clamping mechanisms 6 symmetrically distributed vertically and a bidirectional telescopic mechanism 7 for connecting the wedge block clamping mechanisms 6.

[0031] The wedge-shaped block clamping mechanism 6 includes a fixed block 601 fixedly connected to the gate frame 1. A sliding block 603 is slidably mounted on the bottom of the fixed block 601. Mutually cooperating slide rails and sliders are respectively mounted on the contact surfaces of the fixed block 601 and the sliding block 603. The sliding block 603 slides along the inclined surface of the fixed block 601 (the angle of the inclined surface is usually 10° to 15°; the smaller the angle, the greater the clamping force). The horizontal component force generated by the inclined surface compresses the waterstop towards the gate frame 1, using the formula... To achieve mechanical gain.

[0032] A top plate 604 is mounted on the end of the sliding block 603 away from the fixed block 601. A limiting groove 605 is formed on the top plate 604, and a limiting screw 606 is slidably installed in the limiting groove 605. The threaded end of the limiting screw 606 passes through the limiting groove 605 and is threadedly connected to the end of the fixed block 601. As the sliding block 603 slides along the inclined surface of the fixed block 601, the limiting screw 606 also slides in the limiting groove 605, and the limiting groove 605 always prevents the limiting screw 606 from jumping left and right, ensuring the stability of the sliding block 603 sliding along the inclined surface of the fixed block 601.

[0033] A bracket 608 is installed at the end of the top plate 604 away from the fixed block 601, and a connecting ear 609 is installed at the end of the bracket 608 away from the top plate 604. The connecting ear 609 is used to connect the bidirectional telescopic mechanism 7. A return spring 607 is sleeved on the limiting screw 606. One end of the return spring 607 abuts against the fixed block 601, and the other end abuts against the top plate 604. When the bidirectional telescopic mechanism 7 applies pressure to the top plate 604, the sliding block 603 slides along the inclined surface of the fixed block 601, and the bottom of the sliding block 603 is pressed against the waterstop, making its sealing performance better. When the bidirectional telescopic mechanism 7 no longer applies pressure to the sliding block 603, the sliding block 603 automatically returns to its original position under the action of the return spring 607.

[0034] One side of the fixing block 601 is integrally formed with a connecting part 602 for fixed connection with the gate frame 1.

[0035] The bidirectional telescopic mechanism 7 includes a housing 701, inside which a threaded sleeve is rotatably mounted. The upper and lower ends of the threaded sleeve are threadedly connected to a screw 702. A connecting hole 704 is installed at the end of the screw 702 away from the threaded sleeve. An anti-rotation groove 703 is formed on the screw 702, and an anti-rotation block is installed between the anti-rotation groove 703 and the housing 701. Based on the lead screw principle, the screw 702 can move up and down. A worm gear structure is fitted on the outer wall of the threaded sleeve. The worm gear structure includes a worm wheel fitted around the outer circumference of the threaded sleeve, which meshes with a worm. The worm passes through the housing 701 and is connected to a drive device.

[0036] The threads on the inner wall of the threaded sleeve are left-handed and right-handed, respectively. The threads of the upper and lower screws 702 are left-handed and right-handed, respectively. That is, the upper screw 702 is right-handed and the lower screw 702 is left-handed. When the threaded sleeve is rotated, the upper screw 702 and the lower screw 702 move in opposite directions or relative to each other, thereby driving the sliding block 603 to move up and down, so as to achieve the purpose of synchronous pressing and releasing of the double wedge block pressing assembly by the same linkage mechanism.

[0037] The gate closing process of this utility model is as follows:

[0038] First, place the waterstop strip in the sealing groove 5; then, start the switch mechanism 4, and the gate 3 comes out from the limit placement cavity 2 and moves downward into the gate frame 1; finally, start the bidirectional telescopic mechanism 7, and drive the wedge block pressing mechanism 6 to press the waterstop strip to achieve double sealing.

[0039] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A high-strength, high-performance water-stopping flat cast iron gate, characterized in that: The system includes a gate frame (1), a limiting placement cavity (2) is provided at the upper position inside the gate frame (1), and a gate (3) is slidably provided in the limiting placement cavity (2); a switching mechanism (4) for driving the gate (3) to move up and down is provided in the limiting placement cavity (2); a sealing groove (5) is provided on the inner side wall of the gate frame (1), and the sealing groove (5) is located in front of the gate (3); a waterstop is provided in the sealing groove (5); and double wedge block clamping assemblies are symmetrically arranged on the inner side wall of the gate frame (1), and the double wedge block clamping assemblies are used to clamp the waterstop.

2. The high-strength, high-performance water-stopping flat cast iron gate according to claim 1, characterized in that: The gate (3) includes a gate body (301), and a reinforcing rib (302) is provided on the back of the gate body (301), and the reinforcing rib (302) is distributed in a grid pattern.

3. The high-strength, high-performance water-stopping flat cast iron gate according to claim 1, characterized in that: The switching mechanism (4) includes a rack (401) located at the center of the back of the gate (3), the length of which is the same as the height of the gate (3); a gear (402) meshes on the rack (401), and the center of the gear (402) is keyed to a rotating shaft (403); one end of the rotating shaft (403) is rotatably mounted on the gate frame (1), and the other end extends out of the gate frame (1) and is connected to a handwheel (404).

4. The high-strength, high-performance water-stopping flat cast iron gate according to claim 1, characterized in that: The double wedge block clamping assembly includes wedge block clamping mechanisms (6) symmetrically distributed vertically and horizontally, and a bidirectional telescopic mechanism (7) for connecting the wedge block clamping mechanisms (6).

5. The high-strength, high-performance water-stopping flat cast iron gate according to claim 4, characterized in that: The wedge-shaped block clamping mechanism (6) includes a fixed block (601) fixedly connected to the gate frame (1), and a sliding block (603) slidably disposed at the bottom of the fixed block (601); a top plate (604) is disposed at one end of the sliding block (603) away from the fixed block (601), and a limit groove (605) is provided on the top plate (604), and a limit screw (606) is slidably disposed in the limit groove (605), and the threaded end of the limit screw (606) passes through the limit groove (605) and then threads... The top plate (604) is connected to the end of the fixing block (601); a bracket (608) is provided at one end of the top plate (604) away from the fixing block (601), and a connecting ear (609) is provided at one end of the bracket (608) away from the top plate (604). The connecting ear (609) is used to connect the bidirectional telescopic mechanism (7); a return spring (607) is sleeved on the limiting screw (606). One end of the return spring (607) abuts against the fixing block (601), and the other end abuts against the top plate (604).

6. The high-strength, high-performance water-stopping flat cast iron gate according to claim 5, characterized in that: The contact surfaces of the fixed block (601) and the sliding block (603) are respectively provided with mutually cooperating slide rails and sliders.

7. The high-strength, high-performance water-stopping flat cast iron gate according to claim 5, characterized in that: One side of the fixing block (601) is integrally formed with a connecting part (602) for fixed connection with the gate frame (1).

8. The high-strength, high-performance water-stopping flat cast iron gate according to claim 4, characterized in that: The bidirectional telescopic mechanism (7) includes a housing (701), inside which a threaded sleeve is rotatably provided. The upper and lower ends of the threaded sleeve are respectively threaded to a screw (702). The end of the screw (702) away from the threaded sleeve is provided with a connecting hole (704). An anti-rotation groove (703) is provided on the screw (702), and an anti-rotation block is provided between the anti-rotation groove (703) and the housing (701). A worm gear structure is fitted on the outer wall of the threaded sleeve.

9. The high-strength, high-performance water-stopping flat cast iron gate according to claim 8, characterized in that: The threads on the inner wall of the sleeve are left-handed and right-handed, respectively, and the threads on the upper and lower screws (702) are left-handed and right-handed, respectively.

10. The high-strength, high-performance water-stopping flat cast iron gate according to claim 8, characterized in that: The worm gear structure includes a worm gear sleeved on the outer periphery of the screw sleeve, the worm gear meshing with a worm, and the worm passing through the housing (701) and connected to a drive device.

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