Square and flat steel hoisting device

The C-shaped square and flat steel hoisting device solves the problems of bending and safety hazards during hoisting, and achieves more efficient and safer material handling.

CN223534698UActive Publication Date: 2025-11-11DAYE SPECIAL STEEL CO LTD
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Patent Information

Application Number
CN202422657995.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-11-11
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

The existing square and flat steel bars are prone to bending during hoisting, and there are also problems of safety hazards and low production efficiency.

Method used

The square and flat steel hoisting device with a C-shaped structure includes a load-bearing frame, a hoisting frame, and a connecting frame. The support rod forms the load-bearing surface, the hoisting frame is equipped with a hoisting mechanism, tooling components are used for isolation and limiting, crossbeams and connectors improve stability, shims are used to separate the upper and lower layers of steel, and the raised structure prevents slippage.

Benefits of technology

It enhances equipment stability, reduces bending, improves operational safety and efficiency, lowers safety risks, and improves product quality and heat treatment effects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of steel heat treatment, and particularly provides a square and flat steel hoisting device which comprises a tool part, a bearing frame body, a hoisting frame body and a connecting frame, the bearing frame body and the lifting frame body are oppositely arranged in the first direction, and one side edge of the bearing frame body is connected with one side edge of the lifting frame body through a connecting frame to form a C-shaped structure; wherein; the bearing frame body is provided with a plurality of supporting rods which are arranged in the second direction and extend in the third direction, and every two of the first direction, the second direction and the third direction are perpendicular to each other; the surfaces, facing the hoisting frame body, of the supporting rods are matched to form a bearing surface for bearing the square flat steel; one end of each supporting rod is connected with the connecting frame; a lifting mechanism connected with a lifting appliance is arranged on the lifting frame body; the tool component is matched with the bearing surface, the design of the C-shaped structure is adopted, the overall structural stability of the equipment is enhanced, and the product quality is improved due to supporting of the bearing surface.
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Description

Technical Field

[0001] This utility model relates to the field of steel heat treatment technology, specifically providing a hoisting device for square and flat steel. Background Technology

[0002] Currently, a type of stainless steel valve block is used in the hydraulic mining industry. Its specifications are generally between 90×120 and 140×150mm. After the material undergoes overall heat treatment, it is cut and machined to produce various valve bodies. The usage conditions determine that there are high requirements for the material's curvature and performance. Therefore, the heat treatment of small-sized square flat steel must ensure that the material is heated and cooled evenly, and that the curvature of the material is minimized as much as possible to ensure that the product is machined with a small allowance.

[0003] The existing steel quenching process involves heating the material to its austenitizing temperature, holding it at that temperature for a certain time, and then quickly transferring it to a water tank for cooling. For round materials, chains can be used for hoisting. However, when square or flat steel is hoisted by chains, the material will bend significantly, posing a risk of breakage during the subsequent straightening process. Furthermore, the edges and corners of the steel material are in direct contact with the hoisting equipment, creating stress points that can easily lead to the equipment's aging and fracture, posing a safety hazard. Single-piece quenching is inefficient and increases heat treatment costs. When multiple pieces are quenched, the materials come into contact with each other, affecting the quenching effect and potentially causing soft spots, thus impacting material properties.

[0004] Accordingly, there is a need in the field for a new hoisting device for square and flat steel to solve the above-mentioned technical problems. Summary of the Invention

[0005] The present invention aims to solve the above-mentioned technical problems, namely, to solve the problem that existing square and flat steel is prone to bending during hoisting.

[0006] This utility model provides a square and flat steel hoisting device, the hoisting device including tooling components, a bearing frame, a hoisting frame, and a connecting frame; the bearing frame and the hoisting frame are arranged opposite to each other along a first direction, and one side of the bearing frame is connected to one side of the hoisting frame through the connecting frame to form a C-shaped structure; wherein;

[0007] The support frame has a plurality of support rods arranged along a second direction and extending along a third direction, wherein each pair of the first direction, the second direction and the third direction is perpendicular to each other; the surfaces of each support rod facing the hoisting frame cooperate to form a bearing surface for bearing the flat steel; and one end of each support rod is connected to the connecting frame.

[0008] The hoisting frame is equipped with a hoisting mechanism for connecting with a hoisting device;

[0009] The tooling component cooperates with the bearing surface to isolate and limit the multiple square flat steel bars arranged along the third direction in each layer placed on the bearing surface, as well as between each two adjacent layers of square flat steel bars arranged along the first direction.

[0010] Based on the above design, the C-shaped structure not only enhances the overall structural stability of the equipment but also makes more efficient use of space, making it particularly suitable for space-constrained working environments. This design also facilitates the quick installation or unloading of square and flat steel from the open side, significantly reducing the labor intensity of workers during loading and unloading, improving operational safety and efficiency. Furthermore, the support of the bearing surface eliminates the safety hazards associated with the original lifting tools. Improvements in tooling and material handling effectively enhance material cooling conditions, improve the quenching effect, reduce material bending, and ultimately improve product quality.

[0011] In the preferred embodiment of the above-mentioned hoisting device, the hoisting device further includes a crossbeam and a connecting member. The crossbeam is used to fix and connect multiple hoisting frames. The crossbeam is connected to the transmission device through the connecting member.

[0012] Based on the above configuration, multiple lifting frames are connected into a single unit using crossbeams and connectors, greatly improving the stability and load-bearing capacity of the equipment. This structural design allows the device to handle more or heavier square and flat steel simultaneously, adapting to more complex and demanding industrial applications. It also simplifies the construction and maintenance process, enhancing the equipment's economic efficiency and practicality.

[0013] In the preferred embodiment of the above-mentioned hoisting device, the connecting member is a lifting lug structure.

[0014] Based on the above design, the lifting lugs are simple to design and quick to install, making the assembly and disassembly of the entire lifting equipment more convenient, thereby reducing labor costs and possible operational errors, and improving the flexibility of the lifting equipment.

[0015] In the preferred technical solution of the above-mentioned hoisting device, the tooling component is a cross-shaped tooling or a T-shaped tooling, so that the adjacent square flat steel on the upper and lower sides or the left and right sides are placed separately.

[0016] Based on the above design, direct contact between the square and flat steel bars is effectively avoided during hoisting, reducing friction and impact during handling or transportation. This design not only protects the steel surface from damage but also reduces potential safety risks through physical isolation, improving product quality assurance during transportation and handling.

[0017] In the preferred embodiment of the above-mentioned hoisting device, the tooling component controls the spacing between adjacent square and flat steel bars to be ≥50mm.

[0018] Based on the above design, sufficient space is ensured to avoid collisions during hoisting or handling, which not only enhances the stability of the structure but also improves operational safety, thereby reducing the risk of accidents and improving the overall efficiency of the operation.

[0019] In the preferred embodiment of the above-mentioned hoisting device, the hoisting device further includes a shim, which cooperates with the cross-shaped tooling to separate the upper and lower layers of square and flat steel.

[0020] Based on the above design, a physical barrier is added between the upper and lower layers of flat steel, effectively dispersing the pressure that the upper layer of steel may exert on the lower layer, avoiding deformation or damage caused by gravity, thereby improving the overall quality and service life of the product.

[0021] In the preferred embodiment of the above-mentioned hoisting device, the thickness of the shim is ≥100mm.

[0022] Based on the above settings, sufficient support strength is provided to withstand heavy loads, ensuring adequate isolation distance between the upper and lower steel layers, effectively preventing surface damage or structural deformation of the steel due to compression, and ensuring stability and safety during long-term use.

[0023] In the preferred embodiment of the above-mentioned hoisting device, a raised structure is formed on the bearing surface near the opening of the C-shaped structure to prevent the square flat steel from slipping off the opening.

[0024] Based on the above settings, additional anti-slip protection is provided for the square and flat steel, and the safety of the steel is further guaranteed, especially during handling and transportation.

[0025] In the preferred embodiment of the above-mentioned hoisting device, the area of ​​the bearing surface is smaller than the area of ​​the square flat steel, so that both ends of the square flat steel extend to the outside of the bearing surface and contact the furnace car.

[0026] Based on the above settings, it is convenient for square and flat steel to undergo sufficient heat treatment inside the furnace, thereby improving the heat treatment effect of square and flat steel. Attached Figure Description

[0027] The preferred embodiments of this utility model are described below with reference to the accompanying drawings, in which:

[0028] Figure 1 A schematic diagram of the overall structure of this utility model is shown.

[0029] Figure label:

[0030] 1. Lifting frame; 2. Square and flat steel; 3. Bearing frame; 4. Tooling components; 5. Connecting frame; 6. Crossbeam; 7. Lifting lugs. Detailed Implementation

[0031] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.

[0032] It should be noted that in the description of this utility model, the terms "middle," "upper," "lower," "left," "right," "inner," and "outer," which indicate directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. These are merely for ease of description and do not indicate or imply that the structure must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] First refer to Figure 1 ,like Figure 1As shown, this utility model provides a hoisting device for square and flat steel 2. The hoisting device includes a tooling component 4, a bearing frame 3, a hoisting frame 1, and a connecting frame 5. The bearing frame 3 and the hoisting frame 1 are arranged opposite each other along a first direction, and one side of the bearing frame 3 is connected to one side of the hoisting frame 1 through the connecting frame 5 to form a C-shaped structure. The bearing frame 3 has a plurality of support rods arranged along a second direction and extending along a third direction, with each pair of the first, second, and third directions being perpendicular to each other. Each support rod faces the surface of the hoisting frame 1. The structure forms a bearing surface for supporting the square flat steel 2; and one end of each support rod is connected to the connecting frame 5. It should be noted that this invention does not impose any restrictions on the specific structure of the bearing frame 3, the hoisting frame 1, and the connecting frame 5. Those skilled in the art can set them according to their needs. For example, the bearing frame 3, the hoisting frame 1, and the connecting frame 5 can be an integral structure, or they can be a spliced ​​structure, as long as the C-shaped structure formed by the bearing frame 3, the hoisting frame 1, and the connecting frame 5 can be stable. A raised structure is formed at the end of the bearing surface near the opening of the C-shaped structure to prevent the square flat steel 2 from slipping out of the opening. This provides additional anti-slip protection for the square flat steel 2, especially further ensuring the safety of the steel during handling and transportation.

[0035] Furthermore, it should be noted that this utility model does not impose any restrictions on the specific structure of the tooling component 4. Those skilled in the art can set it according to their needs, as long as it can ensure that the tooling component 4 can position the square flat steel 2 on the bearing surface. In this preferred embodiment, the tooling component 4 is a cross-shaped tooling or a T-shaped tooling, so that the adjacent square flat steel 2 on the upper and lower sides or left and right sides are placed separately. This effectively avoids direct contact between the square flat steel 2 during hoisting, reducing friction and impact during handling or transportation. This design not only protects the steel surface from damage, but also reduces potential safety risks through physical isolation, improving the quality assurance of the product during transportation and handling.

[0036] The hoisting frame 1 is equipped with a hoisting mechanism for connecting to a lifting device; the tooling component 4 cooperates with the bearing surface to isolate and limit the multiple square flat steel bars 2 arranged along a third direction in each layer placed on the bearing surface, as well as between each pair of adjacent square flat steel bars 2 arranged along the first direction. It should be noted that this utility model does not impose any restrictions on the specific structure of the bearing surface. Those skilled in the art can set it according to their needs. For example, the bearing surface can be set as a circular surface, or it can be set as a square surface, as long as there is enough space on the bearing surface to install the square flat steel bars 2.

[0037] Furthermore, it should be noted that this utility model does not impose any restrictions on the distance between the square flat steel bars 2. Those skilled in the art can set the distance according to their needs, as long as it does not affect the heat treatment of the square flat steel bars 2. In this preferred embodiment, the tooling component 4 controls the spacing between adjacent square flat steel bars 2 to ≥50mm. This ensures sufficient space to avoid collisions during hoisting or handling, which not only enhances the stability of the structure but also improves operational safety, thereby reducing the risk of accidents and improving the overall efficiency of the operation.

[0038] The C-shaped structure design of this invention not only enhances the overall structural stability of the equipment but also makes more efficient use of space, making it particularly suitable for space-constrained working environments. This design also facilitates the quick installation or unloading of the square flat steel 2 from the open side, significantly reducing the labor intensity of workers during loading and unloading, and improving operational safety and efficiency.

[0039] Furthermore, the lifting device also includes a crossbeam 6 and connecting components. The crossbeam 6 is used to fix and connect multiple lifting frames 1; the crossbeam 6 is connected to the transmission device through the connecting components. Using the crossbeam 6 and connecting components to connect multiple lifting frames 1 into a whole greatly improves the stability and load-bearing capacity of the equipment. This structural design allows the device to handle more or heavier square and flat steel bars 2 simultaneously, adapting to more complex and demanding industrial applications. It also simplifies the construction and maintenance process, enhancing the economic efficiency and practicality of the equipment. It should be noted that this utility model does not impose any limitations on the specific structure of the crossbeam 6. Those skilled in the art can set it according to their needs. For example, the crossbeam 6 can be a single structure, or it can be a multi-section structure, as long as the crossbeam 6 can ensure greater stability of the lifting device.

[0040] Furthermore, it should be noted that this utility model does not impose any restrictions on the specific structure of the connector. Those skilled in the art can design it according to their needs, as long as the connection structure of the connector is stable. In this preferred embodiment, the connector is a lifting lug 7 structure. The lifting lug 7 has a simple design and is quick to install, making the assembly and disassembly of the entire lifting equipment more convenient, thereby reducing labor costs and possible operational errors, and improving the flexibility of the lifting equipment.

[0041] The lifting device also includes shims, which work in conjunction with cross-shaped fixtures to separate the upper and lower layers of square flat steel 2. This increases the physical separation between the upper and lower layers of square flat steel 2, effectively dispersing the pressure that the upper steel may exert on the lower steel, preventing deformation or damage due to gravity, thereby improving the overall quality and service life of the product. It should be noted that this invention does not impose any limitations on the structure of the shims; those skilled in the art can set them according to their needs. For example, the shims can have a limiting structure, or they can be of any thickness, as long as it does not affect the heat treatment of the square flat steel 2. In this preferred embodiment, the thickness of the shims is ≥100mm. This provides sufficient support strength to withstand heavy loads, ensures adequate isolation distance between the upper and lower steel layers, effectively prevents surface damage or structural deformation of the steel due to pressure, and guarantees stability and safety during long-term use.

[0042] Furthermore, in this preferred embodiment, a raised structure is formed on the bearing surface near one end of the C-shaped structure opening to prevent the square flat steel from slipping out of the opening.

[0043] Furthermore, in this preferred embodiment, the area of ​​the bearing surface is smaller than the area of ​​the square flat steel, so that both ends of the square flat steel extend to the outside of the bearing surface and contact the furnace car. This allows the square flat steel to fully extend into the furnace body, improving the heat treatment effect and ensuring uniform heating of the material during heat treatment.

[0044] The technical solution of this utility model has been described in conjunction with the optional embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A hoisting device for square and flat steel, characterized in that, The hoisting device includes tooling components, a support frame, a hoisting frame, and a connecting frame; the support frame and the hoisting frame are arranged opposite to each other along a first direction, and one side of the support frame is connected to one side of the hoisting frame through the connecting frame to form a C-shaped structure; in; The support frame has a plurality of support rods arranged along a second direction and extending along a third direction, wherein each pair of the first direction, the second direction and the third direction is perpendicular to each other; the surfaces of each support rod facing the hoisting frame cooperate to form a bearing surface for bearing the flat steel; and one end of each support rod is connected to the connecting frame. The hoisting frame is equipped with a hoisting mechanism for connecting with a hoisting device; The tooling component cooperates with the bearing surface to isolate and limit the multiple square flat steel bars arranged along the third direction in each layer placed on the bearing surface, as well as between each two adjacent layers of square flat steel bars arranged along the first direction.

2. The square and flat steel hoisting device according to claim 1, characterized in that, The hoisting device also includes a crossbeam and a connector. The crossbeam is used to fix and connect multiple hoisting frames. The crossbeam is connected to the transmission device through the connector.

3. The square and flat steel hoisting device according to claim 2, characterized in that, The connector is a lifting lug structure.

4. The square and flat steel hoisting device according to claim 1, characterized in that, The tooling component is a cross-shaped tooling or a T-shaped tooling, so that the adjacent square and flat steel bars on the upper and lower sides or the left and right sides are placed separately.

5. The square and flat steel hoisting device according to claim 4, characterized in that, The tooling component controls the spacing between adjacent square and flat steel bars to be ≥50mm.

6. The square and flat steel hoisting device according to claim 4, characterized in that, The hoisting device also includes shims, which cooperate with the cross-shaped tooling to separate the upper and lower layers of square and flat steel.

7. The square and flat steel hoisting device according to claim 6, characterized in that, The thickness of the shim is ≥100mm.

8. The square and flat steel hoisting device according to claim 1, characterized in that, The bearing surface has a raised structure near the opening of the C-shaped structure to prevent the square flat steel from slipping out of the opening.

9. The square and flat steel hoisting device according to claim 8, characterized in that, The area of ​​the bearing surface is smaller than the area of ​​the square flat steel, so that both ends of the square flat steel extend to the outside of the bearing surface and contact the furnace car.