Grabbing beam for arched gate

Abstract

The utility model relates to the technical field of hydraulic mechanical equipment, in particular to a grabbing beam for an arched gate, which comprises a grabbing beam body, a lifting hook and a guide mechanism, the grabbing beam body comprises a straight section and inclined sections located at the two ends of the straight section respectively. The lifting hook is arranged on the straight section and is matched with a lifting lug at the top of the arched gate; the guide mechanism is arranged on the inclined section and matched with the gate groove. Through the grabbing beam, the arched gate can be automatically grabbed and put down.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic machinery and equipment technology, and in particular to a grab beam for an arch gate. Background Technology

[0002] In water conservancy projects, arched gates are used to a certain extent. The gate leaf's water-retaining panel is made into an arc shape, with the convex arc surface facing the direction of water flow. Its unique structure effectively resists water pressure and evenly distributes the water load downstream and to both banks. Currently, the common opening and closing methods for arched gates are: the lifting point is located in front of the gate leaf panel, using a wire rope winch or a plate chain hoist; or the lifting point is located on the beam system or support arm behind the gate leaf panel, using a wire rope winch and a hydraulic hoist.

[0003] Alternatively, in the prior art, there is also a Chinese utility model patent document with publication number CN207794030U and publication date of August 31, 2018. The technical solution disclosed in this patent document is as follows: a hydraulic gate, including a gate plate, a gate plate frame and a gate bottom plate. The middle part of the gate plate is arched, the two sides of the gate plate are flat, and the arch protrudes towards the water-facing side. A lifting lug is set in the middle of the top of the gate plate, and the lifting lug is lifted by a driving component such as an electric hoist.

[0004] Because arched gates are generally tall, the gate body can be divided into several sections, with water seals used between the sections to stop the water flow. All of the above technical solutions require manual unhooking and hooking to lift and lower the arched gate, which is labor-intensive and poses certain safety hazards.

[0005] To achieve automatic gate lifting and lowering, existing technologies generally use grab beams. However, existing grab beam structures are designed for flat gates. Due to various factors such as the gate slot location, the type and arrangement of the mobile hoist, the grab beam requires special design to meet the requirements of arched gates. Currently, there is no grab beam structure specifically designed for the characteristics of arched gates. Summary of the Invention

[0006] To solve the above-mentioned technical problems, this utility model proposes a grabbing beam for arched gates, which can realize the automatic grabbing and lowering of arched gates.

[0007] This utility model is achieved by adopting the following technical solution:

[0008] A grab beam for an arched gate includes a grab beam body, a hook, and a guide mechanism; the grab beam body includes a straight section and inclined sections located at both ends of the straight section; the hook is disposed on the straight section and matches the lifting lug at the top of the arched gate; the guide mechanism is disposed on the inclined section and matches the gate slot.

[0009] A counterweight is also provided in the straight section, and the counterweight is located on the water-facing side.

[0010] It also includes two sets of reinforcing frames, which are set on the back side of the water surface. The inclined section is also connected to the straight section through the reinforcing frames.

[0011] The reinforcing frame is L-shaped, with one end connected to the straight section and the other end connected to the inclined section.

[0012] A first reinforcing rib is also provided between the reinforcing frame and the inclined section.

[0013] A second reinforcing rib is also provided between the reinforcing frame and the straight section.

[0014] The grab beam body is integrally formed.

[0015] The grab beam body is a split type, and the straight section and the inclined section are connected by a connector.

[0016] The number of hooks is two sets, located at both ends of the straight section.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] 1. By improving the structure of the grab beam body, this grab beam can be applied to arched gates, enabling automatic unhooking and hooking, and automatically lifting and lowering the arched gate. Furthermore, this structural design ensures the strength and stability of the grab beam body.

[0019] 2. Due to the structural design of the grab beam body, the center of gravity of the grab beam body is on the downstream side. A counterweight is arranged in the straight section in the middle of the grab beam body to meet the static balance requirements along the water flow direction. This ensures that the grab beam body can smoothly enter the gate slot and reduce the deflection of the hook when grabbing the arched gate, thus ensuring that the grab beam body is in a balanced state.

[0020] 3. Strengthening the frame design can improve the structural stability of the beam body and further ensure the static balance of the beam body.

[0021] 4. The reinforced frame is L-shaped, so that the reinforced frame, straight section and inclined section enclose a structure similar to a triangle, which has better stability.

[0022] 5. The addition of the first and second reinforcing ribs can further improve the structural stability of the beam body.

[0023] 6. The beam body is integrally formed, resulting in a stable structure.

[0024] 7. The grab beam body is a split design, which facilitates transportation and replacement of damaged parts, and has better adaptability.

[0025] 8. The number of hooks is two sets, located at both ends of the straight section, making the hook position arrangement more reasonable. Attached Figure Description

[0026] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments, wherein:

[0027] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ;

[0028] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 ;

[0029] Figure 3 This is a schematic diagram showing the cooperation between the grab beam and the arched gate in this utility model;

[0030] Marked in the image:

[0031] 1. Hook, 2. Guide mechanism, 3. Straight section, 4. Inclined section, 5. Gate slot, 6. Counterweight block, 7. Reinforcing frame, 8. First reinforcing rib, 9. Second reinforcing rib, 10. Grab beam lifting lug, 11. Arch gate. Detailed Implementation

[0032] Example 1

[0033] In a preferred embodiment of this utility model, the present utility model includes a grab beam for an arched gate, comprising a grab beam body, a hook 1, and a guide mechanism 2. The grab beam body includes a straight section 3 and inclined sections 4 located at both ends of the straight section 3. The hook 1 is disposed on the straight section 3 and matches the lifting lugs at the top of the arched gate 11. The guide mechanism 2 is arranged on the inclined section 4 and matches the gate slot 5.

[0034] The guide mechanism 2 and hook 1 can both employ conventional techniques in the field. For example, the technical solution disclosed in Chinese Invention Patent Publication No. CN109281293A, published on January 29, 2019, can be used: the guide mechanism 2 can be anti-tilt guide wheels, with four anti-tilt guide wheels evenly distributed in pairs at the ends of the inclined section 4, and two anti-tilt guide wheels located on the same inclined section 4 arranged longitudinally. The anti-tilt guide wheels contact and press against the door groove 5. The hook 1 specifically includes a left hook and a right hook, which move synchronously through a pull rod mechanism.

[0035] Example 2

[0036] In another preferred embodiment of this utility model, a grab beam for an arched gate includes a grab beam body, a hook 1, and a guide mechanism 2. The grab beam body can be integrally formed, including a straight section 3 and inclined sections 4 located at both ends of the straight section 3. The hook 1 is disposed on the straight section 3 and matches the lifting lug at the top of the arched gate 11. A counterweight 6 is also provided at the straight section 3, and the counterweight 6 is disposed on the water-facing side. The guide mechanism 2 is arranged on the inclined section 4 and matches the gate slot 5.

[0037] Example 3

[0038] In another preferred embodiment of this utility model, a grab beam for an arched gate is provided, comprising a grab beam body, a hook 1, a guide mechanism 2, and two sets of reinforcing frames 7. The grab beam body includes a straight section 3 and inclined sections 4 located at both ends of the straight section 3. The grab beam body is integrally formed. The guide mechanism 2 is arranged on the inclined section 4 and matches the gate groove 5.

[0039] The hook 1 is mounted on the straight section 3 and matches the lifting lug at the top of the arched gate 11. A counterweight 6 is also provided on the straight section 3, positioned on the water-facing side. A reinforcing frame 7 is positioned on the backwater side, and the inclined section 4 is connected to the straight section 3 via the reinforcing frame 7. The reinforcing frame 7 can be a multi-segment structure, such as a three-segment structure, forming a polygon together with the straight section 3 and the inclined section 4.

[0040] Example 4

[0041] As the preferred embodiment of this utility model, please refer to the appendix to the specification. Figures 1-3 This utility model includes a grab beam for an arched gate, comprising a grab beam body, hooks 1, a guide mechanism 2, and two sets of reinforcing frames 7. The grab beam body is a split type, specifically a three-section structure, including a straight section 3 and inclined sections 4 located at both ends of the straight section 3. For ease of transportation, the sections can be connected using connectors such as bolts, and then connected into a whole during installation. There are two sets of hooks 1, located at both ends of the straight section 3, used to match the lifting lugs on the top of the arched gate 11 for grabbing the arched gate 11. The straight section 3 is also provided with grab beam lifting lugs 10 for connecting to a mobile hoist.

[0042] The guide mechanism 2 is arranged in the inclined section 4 and matches the gate slot 5. The guide mechanism 2, hook 1, etc., can all employ conventional techniques in the field. For example, the technical solution disclosed in Chinese Utility Model Patent Publication No. CN209941620U, published on January 14, 2020, can be used: the hook 1 includes a connecting rod, a hook body, and a baffle. The hook body is hook-shaped, and the baffle is located above the hook opening of the hook body and fixed by a baffle pin. The connecting rod is connected to the straight section 3 via the hook pin. The grab beam body is controlled to move up and down by a mobile hoist. The guide mechanisms 2, located at both ends of the inclined section 4, are placed into the gate slot 5 of the arched gate 11. The two sets of hooks 1 are not linked and can be hooked and detached from the lifting lugs of the arched gate 11 separately, effectively solving the problem that hooks can be attached to one side but not the other.

[0043] To ensure the grab beam body smoothly enters the gate slot 5 and reduces the deflection of the hook 1 when grabbing the arched gate 11, the grab beam body must be kept in a balanced state. Since the grab beam body is symmetrical, its center of gravity is on the downstream side. A counterweight 6 is arranged at the straight section 3 in the middle of the grab beam body to meet the static balance requirements along the water flow direction. More specifically, the counterweight 6 is located on the upstream side. Furthermore, the reinforcing frame 7 is located on the downstream side, and the inclined section 4 is connected to the straight section 3 via the reinforcing frame 7. The reinforcing frame 7 is L-shaped, with one end connected to the straight section 3 and the other end connected to the inclined section 4, so that the reinforcing frame 7, the inclined section 4, and the straight section 3 form a more stable triangular shape. Furthermore, a first reinforcing rib 8 is provided between the reinforcing frame 7 and the inclined section 4, and a second reinforcing rib 9 is provided between the reinforcing frame 7 and the straight section 3.

[0044] When the arched gate 11 needs to be grabbed, the mobile hoist is activated to lift the grab beam, allowing the guide mechanisms 2 at both ends to be placed into the gate slot 5 of the arched gate 11. Then, the grab beam is lowered, and after automatic hooking is completed, the descent is stopped, and the grab beam is raised to grab the arched gate 11. When the grab beam lifts the arched gate 11 to the dam surface or into position in the gate slot 5, the grab beam is lowered, and the unhooking action is automatically completed, separating the grab beam from the arched gate 11. The grab beam can then be slowly lifted separately.

[0045] In summary, any other corresponding modifications made by those skilled in the art based on the technical solution and concept of this utility model without creative mental effort after reading this utility model document are all within the scope of protection of this utility model.

Claims

1. A grab beam for an arched gate, comprising a grab beam body, a hook (1), and a guide mechanism (2); characterized in that: The grab beam body includes a straight section (3) and inclined sections (4) located at both ends of the straight section (3); the hook (1) is set on the straight section (3) and matches the lifting lug at the top of the arch gate (11); the guide mechanism (2) is arranged on the inclined section (4) and matches the gate slot (5).

2. A grab beam for an arched gate according to claim 1, characterized in that: The straight section (3) is also provided with a counterweight (6), and the counterweight (6) is located on the water-facing side.

3. A grab beam for an arched gate according to claim 2, characterized in that: It also includes two sets of reinforcing frames (7), which are set on the back side of the water surface. The inclined section (4) is also connected to the straight section (3) through the reinforcing frames (7).

4. A grab beam for an arched gate according to claim 3, characterized in that: The reinforcing frame (7) is L-shaped, with one end connected to the straight section (3) and the other end connected to the inclined section (4).

5. A grab beam for an arched gate according to claim 4, characterized in that: A first reinforcing rib (8) is also provided between the reinforcing frame (7) and the inclined section (4).

6. A grab beam for an arched gate according to claim 5, characterized in that: A second reinforcing rib (9) is also provided between the reinforcing frame (7) and the straight section (3).

7. A grab beam for an arched gate according to any one of claims 2 to 6, characterized in that: The grab beam body is integrally formed.

8. A grab beam for an arched gate according to any one of claims 2 to 6, characterized in that: The grab beam body is a split type, and the straight section (3) and the inclined section (4) are connected by a connector.

9. A grab beam for an arched gate according to claim 8, characterized in that: The number of hooks (1) is two sets, located at both ends of the straight section (3).

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