Ton bag class goods door machine special hoist beam

Abstract

The present disclosure relates to the technical field of crane beams, and one embodiment of the present disclosure provides a ton bag type cargo portal crane special crane beam, which comprises a cross beam and a lifting frame, the lifting frame is arranged at the bottom of the cross beam, the fixing ears are arranged at the top of the cross beam, the lifting assembly is arranged on the cross beam and the lifting frame, the cross frame is fixed at the two ends of the bottom of the cross beam, a plurality of insertion holes are formed in the surface of the cross frame, an opening is formed at the bottom of the insertion hole, a pair of load-bearing cross columns are horizontally inserted and connected in the insertion hole, a self-release lifting hook is arranged at the opposite corners of the bottom of the lifting frame, a nut is threadedly connected at the two ends of the load-bearing cross column, a pair of lifting lugs are arranged at the bottom of the load-bearing cross column, a connecting hook is sleeved on the lifting lug, and an anti-release frame is rotatably sleeved and connected at the lower end of the connecting hook. Through the above technical scheme, the problem of fixed lifting position of the existing crane beam in the prior art is solved, and the technical problem of inconvenient flexible adjustment according to the ton bag bag lifting point position is solved.

Description

Technical Field

[0001] The embodiments disclosed herein relate to the technical field of lifting beams, specifically to a lifting beam specifically designed for gantry cranes handling ton-sized cargo. Background Technology

[0002] In the lifting operations of ton-bag cargo (such as ton-bags of granular raw materials and powdered materials) in ports, chemical plants, and grain processing industries, the gantry crane's specialized lifting beam is a key component connecting the gantry crane hook and the ton-bag, responsible for the smooth lifting and transfer of the ton-bag. Its adjustable lifting points and lifting stability directly determine operational efficiency and cargo safety. As ton-bag cargo transportation develops towards more diverse specifications and higher frequency, the shortcomings of traditional lifting beams are becoming increasingly apparent: existing lifting beams generally have fixed lifting positions, making it inconvenient to flexibly adjust according to the lifting point position of the ton-bag, and their poor stability during lifting not only increases operational difficulty but also easily leads to the risk of cargo tilting and falling, making it difficult to adapt to diverse ton-bag lifting needs. Traditional gantry crane lifting beams are mostly one-piece structures with pre-welded and fixed lifting point positions, making it impossible to adjust according to the spacing of the lifting lugs of different ton-bags. When the specifications of the ton bags change (such as differences in the spacing of the lifting points between ton bags produced by different manufacturers), it is difficult to accurately align the fixed lifting points with the lifting lugs of the ton bags. Operators need to repeatedly adjust the position of the ton bags or pry the lifting beam, which not only prolongs the preparation time for lifting, but may also cause uneven stress on the ton bags due to misalignment of the lifting points. At the same time, traditional lifting beams lack a stable reinforcement structure, and are prone to lateral swaying after lifting due to wind force and inertia. The material inside the ton bag may spill due to the swaying. If the swaying amplitude is large, it may also cause the connection between the lifting beam and the ton bag to loosen, leading to a falling accident.

[0003] Furthermore, these drawbacks trigger a chain reaction of problems: inconvenient adjustment of lifting points leads to frequent start-stop operations of the gantry crane, reducing operational efficiency, especially in batch lifting scenarios where time loss is more pronounced; poor lifting stability increases cargo damage rates, and for materials susceptible to moisture and contamination, spillage can create a burden on environmental cleanup; to ensure safety, additional personnel are needed to assist in stabilizing the lifting beam on the ground, increasing labor costs and failing to completely eliminate risks. Some companies have attempted to customize multiple sets of lifting beams with different lifting points, but this requires frequent replacements, increasing equipment storage costs and changeover time. Therefore, developing a gantry crane-specific lifting beam with adjustable lifting points and high stability for ton-bag cargo has become an urgent need to improve lifting efficiency and safety. Utility Model Content

[0004] To overcome the above-mentioned defects, the embodiments of this disclosure provide a special lifting beam for gantry cranes for ton-bag cargo, which solves the technical problem that existing lifting beams in the prior art generally have a fixed lifting position and are inconvenient to flexibly adjust according to the lifting point position of the ton-bag.

[0005] According to one aspect, at least one embodiment of this disclosure provides a special lifting beam for gantry cranes handling ton-bag type cargo, comprising: A crossbeam and a lifting frame, wherein the lifting frame is located at the bottom of the crossbeam; Several fixing lugs and a lifting assembly are provided, wherein the fixing lugs are all located on the top of the crossbeam, and the lifting assembly is located on the crossbeam and the lifting frame; The lifting assembly includes a pair of horizontal frames, which are fixed at both ends of the bottom of the crossbeam. Several insertion holes are provided on the surface of the horizontal frames, and load-bearing horizontal columns are horizontally inserted into the insertion holes. Self-detaching hooks are provided at the four opposite corners of the bottom of the lifting frame.

[0006] As a further technical solution, both ends of the load-bearing cross column are connected with nuts by threaded engagement, and both ends of the load-bearing cross column are fitted with a pair of lifting lugs. The pair of lifting lugs are located on the inner and outer sides of the cross beam, respectively. Each lifting lug is fitted with a connecting hook, and the lower end of the connecting hook is rotatably connected to an anti-detachment frame.

[0007] As a further technical solution, the bottom of the anti-detachment frame is equipped with a lifting steel cable, and the lower end of the lifting steel cable is connected to the lifting frame, and the connection between the lifting steel cable and the lifting frame corresponds to the position of the self-detaching hook.

[0008] As a further technical solution, the crossbeam is provided with several sets of reinforcing ribs, which are in the form of a cross shape.

[0009] As a further technical solution, several of the lifting cables are fitted with stabilizing rings.

[0010] As a further technical solution, the threads at both ends of the load-bearing horizontal column are in opposite directions.

[0011] As a further technical solution, the self-detaching hook can be a strong magnetic adsorption hook with electromagnetic control.

[0012] As a further technical solution, the lifting frame is generally rectangular in shape, and the stabilizing ring is fixedly connected to the lifting cable. The beneficial effects of the embodiments disclosed herein are as follows: This disclosure solves the problems of fixed lifting points and incompatibility with different ton bags caused by traditional lifting beams by using a lifting assembly. Multiple insertion holes on the crossbeam provide multiple installation positions for the load-bearing crossbeams, allowing for free selection of the insertion position based on the ton bag lifting point spacing, without the need to replace the lifting beam. The reverse-threaded nuts at both ends of the load-bearing crossbeams can be quickly locked by simultaneous tightening, preventing lifting point offset caused by unilateral adjustment. The double-row lifting lug layout distributes the lifting load, preventing excessive localized stress from damaging components.

[0013] The connecting hook, in conjunction with the anti-slip frame, ensures flexible adjustment of the steel cable angle during lifting while preventing cable slippage and eliminating the risk of ton bags falling. This structure allows the lifting beam to accommodate various ton bags without frequent equipment changes, significantly shortening lifting preparation time and improving batch operation efficiency. Simultaneously, multiple protective designs ensure safety and stability throughout the lifting process, reducing losses from cargo tilting and spillage. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments of this disclosure will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of this disclosure and these drawings without any creative effort.

[0015] Figure 1 This is a schematic diagram of a structure in one embodiment of the present disclosure; Figure 2 This is an isometric drawing of the present disclosure; Figure 3 Appendix to this disclosure Figure 2 Enlarged view of part A in the middle; In the diagram: 1. Crossbeam; 2. Lifting frame; 3. Fixing lug; 4. Lifting assembly; 4-1. Horizontal frame; 4-2. Insertion hole; 4-3. Load-bearing horizontal column; 4-4. Self-detaching hook; 4-5. Nut; 4-6. Lifting lug; 4-7. Connecting hook; 4-8. Anti-detachment frame; 4-9. Lifting cable; 5. Reinforcing rib; 6. Stabilizing ring. Detailed Implementation

[0016] The present disclosure will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present disclosure and are not intended to limit the scope of the disclosure.

[0017] To keep the drawings concise, each drawing only schematically shows the parts relevant to the disclosure; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."

[0018] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.

[0019] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0020] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0021] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0022] like Figures 1-3 As shown, it illustrates a special lifting beam for gantry cranes for ton-bag cargo in one embodiment of this disclosure, comprising: A crossbeam 1 and a lifting frame 2, wherein the lifting frame 2 is located at the bottom of the crossbeam 1; Several fixing lugs 3 and lifting assembly 4, wherein the fixing lugs 3 are all disposed on the top of the crossbeam 1, and the lifting assembly 4 is disposed on the crossbeam 1 and the lifting frame 2; The lifting assembly 4 includes a pair of horizontal frames 4-1, which are fixed to the bottom ends of the crossbeam 1. Several insertion holes 4-2 are provided on the surface of the horizontal frames 4-1, and load-bearing horizontal columns 4-3 are horizontally inserted into the insertion holes 4-2. Self-detaching hooks 4-4 are provided at the four opposite corners of the bottom of the lifting frame 2. Nuts 4-5 are threadedly connected to both ends of the load-bearing horizontal columns 4-3. A pair of lifting lugs 4-6 are fitted to both ends of the load-bearing horizontal columns 4-3, located on the inner and outer sides of the crossbeam 1 respectively. Connecting hooks 4-7 are fitted onto each lifting lug 4-6. Anti-detachment frames 4-8 are rotatably connected to the lower ends of the connecting hooks 4-7. Lifting cables 4-9 are provided at the bottom of each anti-detachment frame 4-8. The lower end of the lifting cable 4-9 connects to the lifting frame 2, and the connection point of the lifting cable 4-9 to the lifting frame 2 corresponds to the position of the self-detaching hooks 4-4.

[0023] In some examples, in order to achieve synchronous and stable lifting of multiple ton-type goods and avoid cargo tilting or damage to the lifting equipment caused by concentrated force at a single lifting point, a lifting assembly 4 is designed. This assembly includes a pair of crossbeams 4-1 fixed at both ends of the bottom of the crossbeam 1, providing a horizontal mounting carrier for the lifting components. Several insertion holes 4-2 are evenly distributed along the length of the surface of the crossbeams 4-1, and the insertion position of the load-bearing crossbeams 4-3 can be flexibly adjusted according to the number and spacing of the ton-type goods. The load-bearing crossbeams 4-3 are horizontally inserted into the insertion holes 4-2, forming the core of lifting force transmission. Nuts 4-5 connected at both ends by threaded engagement can firmly lock the crossbeams onto the crossbeams 4-1, preventing the crossbeams from sliding along the insertion holes 4-2 during lifting, ensuring the stability of the lifting point position, and laying the foundation for uniform force distribution at multiple lifting points.

[0024] The load-bearing crossbeam 4-3 is fitted with a pair of lifting lugs 4-6 at both ends, which are located on the inner and outer sides of the crossbeam 1, forming a double-row lifting point layout. The inner lifting lug 4-6 can be connected to the ton bag near the center of the crossbeam 1, and the outer lifting lug 4-6 is adapted to the ton bag at the edge. The double-row distribution can effectively distribute the lifting load and prevent the crossbeam 1 from bending and deforming due to excessive force on one side.

[0025] The connecting hook 4-7 mounted on the lifting lug 4-6 can rotate flexibly to adapt to changes in the angle of the steel cable during lifting, ensuring that the tension is always transmitted along the axial direction of the steel cable and reducing damage to the lifting lug 4-6 and the crossbar caused by additional bending moment. The anti-slip bracket 4-8 mounted on the lower end of the connecting hook 4-7 is a key structure for ensuring lifting safety. The anti-slip bracket 4-8 can limit the range of motion of the lifting steel cable 4-9 through its own shape (such as a closed loop structure), preventing the steel cable from slipping off the connecting hook 4-7 due to vibration or angle changes during lifting and transportation, thus avoiding accidents such as ton bag falling. The rotation coordination between the anti-slip bracket 4-8 and the connecting hook 4-7 can be adjusted synchronously with the angle of the steel cable, enhancing safety protection without affecting lifting flexibility.

[0026] The connection between the lower end of the lifting cable 4-9 and the lifting frame 2 corresponds to the position of the self-detaching hooks 4-4 at the four corners of the bottom of the lifting frame 2. During lifting, the gantry crane applies tension through the fixed lugs 3 at the top of the crossbeam 1, which is transmitted to the lifting frame 2 via the crossbeam 4-1, the load-bearing crossbeam 4-3, the lifting lugs 4-6, the connecting hooks 4-7, and the cable. Then, the self-detaching hooks 4-4 hook the slings of the ton bags, realizing the synchronous lifting of multiple ton bags.

[0027] The corresponding layout of the self-detaching hooks 4-4 ensures balanced force distribution on each ton bag, preventing overloading of individual ton bags. Simultaneously, the self-detaching structure facilitates automatic hook release after lifting to the designated position, reducing manual operation and improving work efficiency. All components work together to form a multi-point, high-strength, and anti-fall-off lifting system, meeting the safe and efficient lifting requirements for batches of ton bag cargo.

[0028] For example, such as Figure 1 As shown, the beam 1 has several sets of reinforcing ribs 5 inside, and the reinforcing ribs 5 have a cross-shaped structure.

[0029] In some examples, several sets of cross-shaped reinforcing ribs 5 inside the crossbeam 1 can be fixedly connected to the inner wall of the crossbeam 1 by welding or integral molding, forming a bending-resistant reinforcement structure for the crossbeam 1. The cross-shaped layout can distribute the load during lifting from both horizontal and vertical directions, preventing the crossbeam 1 from local bending or deformation due to the weight of multiple ton bags. Especially when multiple lifting points are under stress simultaneously, the reinforcing ribs 5 can evenly transfer the stress to the entire crossbeam 1, rather than concentrating it in a certain area, significantly increasing the load-bearing capacity and service life of the crossbeam 1.

[0030] For example, such as Figure 1 As shown, several of the lifting cables 4-9 are fitted with stabilizing rings 6.

[0031] In some examples, the stabilizing rings 6 fitted onto the lifting cables 4-9 are fixedly connected to the cables by welding or clamping. Their function is to regulate the spatial position of multiple cables. The stabilizing rings 6 can maintain a fixed distance between adjacent cables, preventing the cables from tangling or colliding due to vibration or swinging during lifting, and preventing the risk of breakage caused by cable wear or uneven stress.

[0032] For example, such as Figure 3 As shown, the threads at both ends of the load-bearing horizontal column 4-3 are in opposite directions.

[0033] In some examples, the reverse thread design at both ends of the load-bearing crossbar 4-3 allows for synchronous adjustment of the nuts 4-5 at both ends. When the nuts 4-5 are rotated, the reverse threads cause the nuts 4-5 at both ends to move closer or further away from the crossbar synchronously. This allows the crossbar to be quickly locked into the insertion hole 4-2 of the crossbar 4-1 without the need to adjust the nuts 4-5 at both ends separately, greatly improving installation and adjustment efficiency.

[0034] For example, such as Figure 1As shown, the self-detaching hook 4-4 can be a strong magnetic adsorption hook with electromagnetic control.

[0035] In some examples, the self-detaching hook 4-4 employs an electromagnetically controlled strong magnetic adsorption hook. This hook uses an energized electromagnetic coil to generate a strong magnetic force that attracts the lifting rings of ton bags, replacing the traditional mechanical hook structure. Electromagnetic control enables remote unhooking, eliminating the need for manual operation near the lifting area, reducing the risks of working at heights, and is particularly suitable for the efficient unhooking requirements of batch lifting operations.

[0036] For example, such as Figure 1 As shown, the lifting frame 2 has a rectangular frame structure, and the stabilizing ring 6 is fixedly connected to the lifting steel cable 4-9.

[0037] In some examples, the rectangular frame structure of the lifting frame 2 is formed by welding and splicing. Its regular rectangular layout can evenly distribute four self-detaching hooks 4-4, ensuring that each hook is subjected to balanced force and adapting to the symmetrical lifting requirements of batch ton bags. The frame structure itself has high torsional strength, which can resist the torsional force generated by the swaying of the ton bags during lifting and prevent the lifting frame 2 from deforming.

[0038] In actual use: According to the lifting point position of the ton-type goods, the load-bearing horizontal column 4-3 is horizontally inserted into the corresponding insertion hole 4-2 of the bottom crossbeam 4-1 of the crossbeam 1. Since the threads at both ends of the load-bearing horizontal column 4-3 are opposite, the nuts 4-5 at both ends can be tightened simultaneously to quickly lock it on the crossbeam 4-1 to prevent displacement during lifting. The lifting lugs 4-6 are respectively fitted on the inner and outer sides of the crossbeam 1 of the load-bearing horizontal column 4-3 to form a double row of lifting points. Then, the connecting hook 4-7 is hung on the lifting lug 4-6. The anti-detachment bracket 4-8 at the lower end of the connecting hook 4-7 is rotated to make it fit against the lifting cable 4-9. One end of the lifting cable 4-9 is connected to the anti-detachment bracket 4-8, and the other end is connected to the position of the self-detaching hook 4-4 of the lifting frame 2. The stabilizing ring 6 fitted on the cable can fix the cable spacing and prevent tangling. The gantry crane lifts the entire lifting beam through the fixed lugs 3 at the top of the crossbeam 1. The position is adjusted so that the self-detaching hooks 4-4 at the four corners of the bottom of the lifting frame 2 accurately hook the ton bag lifting strap. During the lifting process, the anti-detachment frame 4-8 prevents the steel cable from slipping off the connecting hook 4-7, the stabilizing ring 6 keeps the steel cable in an orderly arrangement, and the cross-shaped reinforcing ribs 5 inside the crossbeam 1 distribute the load to prevent deformation. After being transferred to the target position, the self-detaching hooks 4-4 (such as electromagnetic control type) automatically detach, completing the unloading of the ton bag. The entire process does not require frequent adjustments to the overall structure of the lifting beam and is suitable for ton bag lifting at different lifting points.

[0039] It should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure and are not intended to limit it. Although this disclosure has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this disclosure without departing from the spirit and scope of the technical solutions of this disclosure, and all such modifications and substitutions should be covered within the scope of the claims of this disclosure.

Claims

1. A special lifting beam for gantry cranes handling ton-bag type cargo, characterized in that, include: A crossbeam (1) and a lifting frame (2), wherein the lifting frame (2) is disposed at the bottom of the crossbeam (1); A number of fixing lugs (3) and a lifting assembly (4) are provided, wherein the fixing lugs (3) are all provided on the top of the crossbeam (1) and the lifting assembly (4) is provided on the crossbeam (1) and the lifting frame (2); The lifting assembly (4) includes a pair of crossbeams (4-1), which are fixed at both ends of the bottom of the crossbeam (1). The surface of the crossbeam (4-1) has several insertion holes (4-2), and a load-bearing crossbeam (4-3) is horizontally inserted into the insertion holes (4-2). The bottom of the lifting frame (2) is provided with self-detaching hooks (4-4) at the four opposite corners.

2. The special lifting beam for gantry cranes of ton-bag cargo as described in claim 1, characterized in that, Both ends of the load-bearing cross column (4-3) are connected with nuts (4-5) by threaded engagement. Both ends of the load-bearing cross column (4-3) are fitted with a pair of lifting lugs (4-6). The pair of lifting lugs (4-6) are located on the inner and outer sides of the cross beam (1). Each lifting lug (4-6) is fitted with a connecting hook (4-7). The lower end of the connecting hook (4-7) is rotatably fitted with an anti-detachment bracket (4-8).

3. The special lifting beam for gantry cranes of ton-bag cargo as described in claim 2, characterized in that, Each of the anti-detachment frames (4-8) is equipped with a lifting steel cable (4-9) at its bottom. The lower end of the lifting steel cable (4-9) is connected to the lifting frame (2), and the connection between the lifting steel cable (4-9) and the lifting frame (2) corresponds to the position of the self-detaching hook (4-4).

4. The special lifting beam for gantry cranes of ton-bag cargo as described in claim 1, characterized in that, The crossbeam (1) is provided with several sets of reinforcing ribs (5), which are in the shape of a cross.

5. A special lifting beam for gantry cranes of ton-bag cargo as described in claim 3, characterized in that, A stabilizing ring (6) is fitted onto several of the aforementioned lifting cables (4-9).

6. A special lifting beam for gantry cranes for ton-bag cargo as described in claim 2, characterized in that, The threads at both ends of the load-bearing crossbar (4-3) are in opposite directions.

7. A special lifting beam for gantry cranes of ton-bag cargo as described in claim 1, characterized in that, The self-detaching hook (4-4) can be a strong magnetic adsorption hook with electromagnetic control.

8. A special lifting beam for gantry cranes of ton-bag cargo as described in claim 5, characterized in that, The lifting frame (2) has a rectangular frame structure, and the stabilizing ring (6) is fixedly connected to the lifting steel cable (4-9).

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