Box hoisting device, container and mobile generator set

Abstract

The application relates to a box hoisting device: the box hoisting device is used for hoisting a box, the box is provided with a frame body, a top surface and a bottom surface of the frame body are internally provided with a plurality of transverse beams which are parallel to each other and are spaced from each other; the box hoisting device comprises a plurality of hoisting rods which are installed on the box, a plurality of slot holes for the hoisting rods to pass through are formed in the outer side walls of the frame body, a first reinforcing piece is installed at a position which is a predetermined distance away from the outer side walls of the frame body between two transverse beams at the position where the hoisting rods are installed, and a first through hole which is opposite to the slot hole is formed in the first reinforcing piece; the hoisting rods pass through the slot holes and the first through hole and are fixed on the frame body and the first reinforcing piece, the hoisting rods protrude from the outer side walls of the frame body and have end portions which are larger than the cross sections of the hoisting rods at the terminal ends to form lifting lugs for hoisting the box; the application can effectively disperse loads, thereby improving the overall anti-deformation capacity. In addition, the application also provides a container and a mobile generator set which comprise the box hoisting device.

Description

Technical Field

[0001] This application relates to the field of heavy equipment transportation and hoisting technology, and in particular to a container hoisting device and a container. Background Technology

[0002] In the transportation and installation of large equipment, the hoisting of containers is an indispensable operational step, such as those used to transport generator sets, construction machinery, or heavy materials. The design of the hoisting device directly affects the overall work efficiency, equipment safety, and the stability of the transportation supply chain. In existing technologies, container hoisting structures typically have lifting lugs or rings at the top or side walls of the container, and are mainly connected to the container by welding or bolting. While this traditional structure is simple to manufacture, it reveals significant shortcomings in practical applications. Regarding stress characteristics, the connection area between the lifting lugs or rings and the container often becomes the main stress point, leading to significant stress concentration. When the container is hoisting heavy equipment, tensile and shear forces are concentrated in a limited area, causing the metal material there to endure high stress conditions for extended periods, making it highly susceptible to fatigue damage, plastic deformation, and even fracture. Simultaneously, due to their limited cross-sectional dimensions, the lifting lugs or rings themselves are prone to bending, cracking, or detachment when subjected to impacts or dynamic forces exceeding their rated load, thus halting the hoisting operation. Furthermore, traditional hoisting structures lack sufficient overall stability during dynamic hoisting. When the stress points are unevenly distributed, the enclosure often tilts or sways, which not only increases the difficulty of operation and safety risks but also further amplifies the local stress imbalance, thereby exacerbating metal fatigue and damage. In extreme cases, if a local structure fails, it may even lead to the entire enclosure detaching, causing equipment damage or a major safety accident. Utility Model Content

[0003] This application aims to solve one or more of the aforementioned technical problems. To adapt to any one of the technical objectives or problems to be solved, the following technical solution is adopted: a box-type lifting device for lifting a box, the box having a frame body, with multiple parallel and spaced-apart crossbeams installed on the top and bottom surfaces of the frame body; the box-type lifting device includes several lifting rods installed on the box. Several slots for the lifting rods to pass through are provided on the outer side wall of the frame body. A first reinforcing member is installed between two crossbeams at a predetermined distance from the outer side wall of the frame body where the lifting rods are installed. The first reinforcing member has a first through hole opposite to the slots; the lifting rods pass through the slots and the first through hole and are fixed to the frame body and the first reinforcing member. The lifting rods protrude from the outer side wall of the frame body and have an end with a cross-section larger than the lifting rod's cross-section to form a lifting lug for lifting the box.

[0004] Furthermore, this application also proposes that a second reinforcing member is fixed on the inner side wall of the frame body at the location where the support rod is installed. A second through hole is opened on the second reinforcing member at the position corresponding to the slot. The second through hole, the slot, and the first through hole are in a straight line. The support rod passes through the slot, the second through hole, and the first through hole and is fixed to the second reinforcing member and the first reinforcing member of the frame body.

[0005] Furthermore, this application proposes that the main frame is made of channel steel, with the U-shaped groove of the channel steel facing the outside of the box body. A third reinforcing member parallel to the bottom surface of the U-shaped groove is fixed in the U-shaped groove, and a third through hole is provided on the third reinforcing member. The third through hole, the groove and the first through hole are in a straight line. The support rod is fixed to the main frame, the third reinforcing member and the first reinforcing member by passing through the third through hole, the groove and the first through hole. The support rod protrudes from the third reinforcing member out of the box body.

[0006] Furthermore, this application also proposes that a reinforcing rib be provided between the bottom surface of the U-shaped groove of the third reinforcing member and the frame body, and the reinforcing rib be fixedly connected at a certain angle between the inner surface of the third reinforcing member and the bottom surface of the U-shaped groove.

[0007] Furthermore, this application also proposes that the outer surfaces of the first reinforcing member and / or the second reinforcing member are coated with an epoxy resin or polyurethane anti-corrosion coating.

[0008] Furthermore, this application also proposes that a flexible wear-resistant protective sleeve is embedded in the first through hole, the second through hole and / or the slot, the protective sleeve being made of rubber or nylon.

[0009] Furthermore, this application also proposes that a fourth reinforcing member is installed on the inner wall of the crossbeams located on both sides of the support rod near the support rod, and the two ends of the fourth reinforcing member are respectively fixedly connected to the first reinforcing member and the second reinforcing member.

[0010] Furthermore, this application also proposes that a fourth reinforcing member is installed on the inner wall of the crossbeams located on both sides of the support rod near the support rod, and the two ends of the fourth reinforcing member are respectively fixedly connected to the first reinforcing member and the second reinforcing member.

[0011] Furthermore, this application also proposes a container including the aforementioned container lifting device. Furthermore, this application also proposes a mobile generator set, including the aforementioned container and a generator set installed within the container.

[0012] Furthermore, this application also proposes a mobile generator set, including the aforementioned container and the generator set installed in the container. Attached Figure Description

[0013] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, wherein: Figure 1 This is a schematic diagram of the container hoisting device used in this application.

[0014] Figure 2 This is a structural schematic diagram of the container hoisting device of this application from another angle.

[0015] The components in the diagram are labeled as follows: 10. Main frame, 11. First reinforcing member, 12. Second reinforcing member, 13. Third reinforcing member, 14. Fourth reinforcing member; 20. Lifting rod; 21. Lifting lug; 22. Crossbeam; 221. First crossbeam; 222. Second crossbeam; 30. Slot; 31. First through hole; 32. Second through hole; 33. Third through hole; 40. U-shaped groove. Detailed Implementation

[0016] Embodiments of this application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application and should not be construed as limiting this application.

[0017] Those skilled in the art will understand that, unless explicitly stated otherwise, the singular forms “a,” “an,” “the,” and “the” used herein may also include the plural forms. It should be further understood that the term “comprising” as used in this application means the presence of the stated feature, integer, step, operation, element, and / or component, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, and / or components, nor does it exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. It should be understood that when we say an element is “connected” or “coupled” to another element, it can be directly connected or coupled to the other element, or there may be intermediate elements. Furthermore, “connected” or “coupled” as used herein can include wireless connection or wireless coupling. The term “and / or” as used herein includes all or any unit and all combinations of one or more associated listed items.

[0018] Those skilled in the art will understand that, unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains. It should also be understood that terms such as those defined in general dictionaries should be understood to have the same meaning as in the context of the prior art, and should not be interpreted in an idealized or overly formal sense unless specifically defined as herein.

[0019] The embodiments of this application are described in detail below with reference to the accompanying drawings. Examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0020] In existing technologies, container lifting structures commonly employ welded or bolted lifting lugs or rings, which are prone to stress concentration during lifting. When the container bears heavy equipment, the tensile and shear forces in the connection areas can lead to metal fatigue damage, potentially resulting in plastic deformation or fracture after prolonged use. During dynamic lifting, traditional lifting structures lack overall stability, making the container susceptible to tilting or swaying, further exacerbating localized stress imbalances and posing a risk of equipment detachment. To address the aforementioned issues, and considering the shortcomings of traditional methods such as stress concentration and insufficient dynamic stability at the connection area between the lifting lugs and the box frame, a solution is needed to distribute stress and enhance structural rigidity. Analysis revealed that stress concentration primarily stems from single-point fixing; establishing multi-point connections between the lifting lugs and the box frame can effectively distribute the load. Further consideration was given to incorporating transverse support structures within the frame, utilizing reinforcements and crossbeams to form a composite support system, thereby improving overall deformation resistance. As a typical embodiment of this application, such as Figure 1 , Figure 2 As shown, this application proposes a box-type lifting device for lifting boxes. The box has a frame body 10, and multiple parallel and spaced-apart crossbeams 22 are installed on the top and bottom surfaces of the frame body 10. The box-type lifting device includes the box to be lifted and several lifting rods 20 installed on the box. Several slots 30 for the lifting rods 20 to pass through are opened on the outer side wall of the frame body 10. A first reinforcing member 11 is installed between two crossbeams 221 and 222 at the position where the lifting rods 20 are installed, at a predetermined distance from the outer side wall of the frame body 10. The first reinforcing member 11 has a first through hole 31 opposite to the slots 30. The lifting rods 20 pass through the slots 30 and the first through hole 31 and are fixed to the frame body 10 and the first reinforcing member 11. The lifting rods 20 protrude from the outer side wall of the frame body 10 and have an end with a cross-section larger than the cross-section of the lifting rod 20 to form a lifting lug 21 for lifting the box. The end portion and the support rod 20 can be integrally formed. For example... Figure 1 and Figure 2As shown, the frame body 10 refers to the supporting structure that constitutes the box frame. For example, it can be made of channel steel welded to form a grid frame, used to bear the internal load of the box and transmit the lifting force. The crossbeams 22 refer to the supporting members arranged parallel to each other on the top and bottom surfaces of the frame body 10. For example, they can be made of channel steel, I-beams, or rectangular steel pipes, used to enhance the lateral stiffness of the frame body 10 and distribute the load transmitted by the lifting rods 20. The slots 30 refer to the through holes opened on the outer wall of the frame body 10. For example, they can be processed into oblong, circular, or rectangular holes, used to guide the lifting rods 20 through the frame body 10 and connect with the internal structure. The first reinforcing member 11 refers to the support plate set between the two crossbeams 221 and 222. For example, it can be made of steel plate or section steel. Its installation position is determined from the distance of the outer wall according to the stress requirements of the lifting lugs 21, used to increase the shear resistance of the fixed area of ​​the lifting rods 20. After passing through the slot 30 in the outer wall, the support rod 20 continues through the first through hole 31 in the first reinforcing member 11 and is fixed to the frame body 10 and the first reinforcing member 11 by welding. The crossbeams 22 on the top and bottom surfaces of the frame body 10 form longitudinal supports, and the first reinforcing member 11 and the crossbeams 22 together form a transverse support network. During hoisting, the tensile force borne by the support rod 20 is transmitted to the frame body 10 through the slot 30, while part of the load is distributed to the first reinforcing member 11 through the first through hole 31, and then evenly transmitted to the entire frame by the crossbeams 22. This double fixing method reduces stress concentration in local areas of the outer wall and avoids structural deformation or cracking due to excessive stress at a single point. The setting of the first reinforcing member 11 increases the moment of inertia of the section of the support rod 20 fixing area, thereby improving bending and torsional resistance, preventing the support rod 20 from deforming due to excessive load, and thus suppressing the swaying of the box body during hoisting. This technical solution, through the combined structure of the frame body 10 and the first reinforcing member 11, distributes the force on the lifting lug 21 to the composite support system of the crossbeam 22 and the reinforcing member, significantly reducing local stress peaks. Furthermore, the rigid connection formed by the first reinforcing member 11 and the crossbeam 22 enhances the overall stability of the lifting area, reducing structural swaying during dynamic lifting. It effectively solves the fatigue damage problem caused by stress concentration in the connection area of ​​the traditional lifting lug 21, extending the structural service life by distributing loads at multiple points; simultaneously, the synergistic effect of the frame body 10 and the first reinforcing member 11 improves the stability of the lifting process, avoiding safety hazards caused by tilting or swaying of the caisson.

[0021] As another embodiment of this application, refer to Figure 1 and Figure 2This application further proposes fixing a second reinforcing member 12 on the inner sidewall of the frame body 10 at the location where the support rod 20 is installed. A second through hole 32 is formed on the second reinforcing member 12 corresponding to the slot 30. The second through hole 32, the slot 30, and the first through hole 31 are aligned in a straight line. The support rod 20 passes through the slot 30, the second through hole 32, and the first through hole 31 and is fixed to the frame body 10, the second reinforcing member 12, and the first reinforcing member 11. (See reference...) Figure 1 and Figure 2 The second reinforcing member 12 refers to a rigid support structure installed on the inner wall of the frame body 10. For example, it can be achieved by welding a steel plate of a certain thickness, and its dimensions cover the installation area of ​​the support rod 20. The second through hole 32 refers to a through hole that is coaxially positioned with the outer slot 30. For example, it can be formed by laser cutting, and its diameter is slightly larger than the diameter of the support rod 20, for example, slightly larger by 1-2 mm. Three-point coaxial positioning means that the central axes of the slot 30, the first through hole 31, and the second through hole 32 coincide. For example, this can be achieved by simultaneously machining the three holes using a CNC machine tool. Specifically, when the support rod 20 penetrates the box wall, the inner second reinforcing member 12 and the outer first reinforcing member 11 form a symmetrical support structure. After passing through the three coaxial holes, the support rod 20 is fixed at both ends, forming a three-point constrained axial force state. The reverse support of the second reinforcing member 12 transforms the shear force originally concentrated at a single point on the outside into tensile stress distributed axially along the support rod 20, thereby preventing deformation of the support rod 20. Simultaneously, the rigid connection between the inner and outer reinforcing members suppresses local deformation of the box wall. During dynamic hoisting, the inner and outer reinforcing structures share the load, preventing structural damage caused by stress concentration. This technical solution, through the layout of the inner and outer double reinforcing members, enables the support rod 20 to form an axially tensile stress mode, transforming a single-point concentrated load into a linearly distributed stress field. The three-point coaxial positioning design eliminates the additional bending moment caused by hole deviation, and the double support structure effectively improves the fatigue resistance of the connection area. This application can effectively achieve a symmetrical distribution of hoisting load in the box wall thickness direction, significantly reducing the stress concentration factor in the connection area. The synergistic effect of the inner and outer reinforcing members increases the axial load-bearing capacity of the support rod 20 by nearly 60%, while controlling the local deformation during dynamic hoisting to within 0.5mm. The three-point positioning structure ensures that the installation position accuracy of the support rod 20 reaches ±0.2mm. This design effectively reduces local stress concentration caused by eccentric loading, significantly improving the service life and reliability of the support rod. As another typical embodiment of this application, such as... Figure 1 , Figure 2As shown, this application further proposes that the frame body 10 is made of channel steel, with the U-shaped channel 40 facing the outside of the box body. A third reinforcing member 13 parallel to the bottom surface of the channel steel is fixed in the U-shaped channel 40, and a third through hole 33 is provided on the third reinforcing member 13. The third through hole 33, the slot 30 and the first through hole 31 are in a straight line. The lifting rod 20 is fixed to the frame body 10, the third reinforcing member 13 and the first reinforcing member 11 by passing through the third through hole 33, the slot 30 and the first through hole 31. The lifting rod 20 protrudes from the third reinforcing member 13 out of the box body and has an end with a cross-section larger than the cross-section of the lifting rod 20 to form a lifting lug 21 for lifting the box body. The U-shaped channel 40 facing the outside of the box body means that the open side of the channel steel is arranged on the outside of the box body frame. For example, hot-rolled channel steel or cold-formed channel steel can be used to achieve this. The U-shaped cross-section is used to improve the bending stiffness of the frame and provide installation space for the third reinforcing member 13. The third reinforcing member 13 being fixed parallel to the bottom surface of the U-shaped groove 40 means that a plate-like or strip-like reinforcing structure is arranged along the length of the channel steel and has sufficient width to be fixed to the U-shaped side of the U-shaped groove of the channel steel. For example, it can be achieved by welding or bolting, forming a double-layer support structure with the channel steel. The third through hole 33 being coaxially aligned with the slot hole 30 and the first through hole 31 means that the central axes of the three holes coincide. For example, it can be achieved by laser positioning processing technology, ensuring that the load is transmitted continuously through the through holes. Specifically, the U-shaped cross-sectional characteristics of the channel steel give it higher bending resistance when bearing lifting loads. After the third reinforcing member 13 is fixed parallel to the U-shaped groove 40, it forms a composite load-bearing structure together with the bottom surface of the channel steel. When the lifting rod 20 passes through the third through hole 33, the slot hole 30 and the first through hole 31 in sequence, the lifting force is evenly diffused to the two side walls of the channel steel through the third reinforcing member 13, effectively reducing the stress peak at the edge of the slot hole 30. The parallel arrangement of the third reinforcing member 13 with the bottom surface of the channel steel ensures that it primarily bears axial tensile force, avoiding additional bending moments caused by eccentric loading. The lifting lug 21, extending from the end of the lifting rod 20, has its swing amplitude limited under the constraint of the third reinforcing member 13, thus improving the stability of the lifting operation. This technical solution transforms single-point stress into multi-layered distributed stress through the combined structure of the channel steel frame and the third reinforcing member 13, utilizing the U-shaped cross-section characteristics of the channel steel to enhance overall rigidity. In existing technologies, the lifting lug 21 is only connected to the outer wall of the box body, while this solution forms a through-type force transmission channel through the lifting rod 20, which penetrates the third reinforcing member 13, the frame body 10, and the first reinforcing member 11, significantly improving the stress distribution. The coordinated design of the third reinforcing member 13 and the channel steel not only optimizes the load transfer path but also reduces the risk of damage to the connected structure from dynamic impacts by limiting the swing amplitude of the lifting lug 21.

[0022] In addition, preferably, the container hoisting device of this application may also be provided with a first reinforcing member, a second reinforcing member and a third reinforcing member at the same time, so that the container hoisting device is more robust and structurally stable, avoiding deformation during hoisting, and ensuring that the entire container structure is not damaged.

[0023] Through the above technical solution, this application effectively disperses the concentrated stress in the installation area of ​​the support rod 20, preventing cracks from forming at the edge of the slot 30 due to excessive local stress. The synergistic effect of the multi-layered reinforcement structure enhances the overall deformation resistance of the frame, maintaining structural stability during dynamic hoisting.

[0024] As another embodiment of this application, such as Figure 1 and Figure 2 As shown, this application further proposes to provide a reinforcing rib between the third reinforcing member 13 and the bottom surface of the U-shaped groove 40 of the frame body 10. The reinforcing rib is fixedly connected at a certain angle between the inner surface of the third reinforcing member 13 and the bottom surface of the U-shaped groove 40. The reinforcing rib refers to the supporting member connecting the third reinforcing member 13 and the bottom surface of the U-shaped groove 40, which can be achieved by welding steel plates or structural steel, for example, to form a triangular support structure between them. The inclination angle refers to the non-right angle formed between the reinforcing rib and the bottom surface of the U-shaped groove 40, for example, an angle in the range of 30 degrees to 60 degrees, used to change the load transmission direction. Figure 2 As shown, when the lifting load acts on the support rod 20, the shear force and bending moment borne by the connection between the third reinforcing member 13 and the U-shaped groove 40 are transmitted through the inclined reinforcing ribs. The inclination angle of the reinforcing ribs decomposes the load into a pressure component along the axial direction of the reinforcing ribs and a support component perpendicular to the axial direction, forming a three-dimensional force transmission path. This structure disperses the stress originally concentrated at the connection point to a larger contact area between the bottom surface of the U-shaped groove 40 and the third reinforcing member 13, while suppressing local deformation through triangular geometric stability. Through the above technical solution, this application effectively alleviates the stress concentration phenomenon at the connection between the third reinforcing member 13 and the frame body 10, prevents deformation or fracture caused by local overload during the lifting process, and improves the fatigue resistance and load-bearing stability of the overall structure.

[0025] As another embodiment of this application, this application further proposes that, in the box-lifting device, the outer surfaces of the first reinforcing member 11 and / or the second reinforcing member 12 and / or the third reinforcing member be coated with an epoxy resin or polyurethane anti-corrosion coating. The epoxy resin anti-corrosion coating refers to a dense protective layer formed by the reaction of epoxy resin base material and curing agent, which can be achieved, for example, by spraying or dip coating processes. This coating bonds with the metal substrate through chemical bonding, forming a physical isolation barrier. The polyurethane anti-corrosion coating refers to an elastic protective film formed by the crosslinking of polyurethane prepolymer and chain extender, which can be achieved, for example, by roller coating or brush coating processes. This coating adapts to the deformation of the metal substrate through the flexibility of its molecular chains, while simultaneously blocking the penetration of corrosive media. When applying the anti-corrosion coating to the surface of the metal reinforcing members of the box-lifting device, the coating covers the outer surface of critical stress areas, such as the connection between the reinforcing member and the box frame. The coating forms a continuous covering layer, isolating the metal substrate from moisture, salt spray, or chemical corrosive substances in the external environment. During hoisting operations, the coating resists the erosion of corrosive media through its own chemical stability, preventing oxidation or electrochemical corrosion of the metal substrate, thereby maintaining the structural strength and load-bearing capacity of the reinforcement. This application effectively suppresses the strength reduction problem of metal reinforcements in the box hoisting device caused by environmental corrosion, avoids the risk of structural failure caused by localized corrosion, and reduces operation interruptions and maintenance costs caused by frequent replacement or repair of reinforcements.

[0026] As another embodiment of this application, this application further proposes that flexible wear-resistant protective sleeves can be embedded in each through hole (referring to the first through hole, second through hole, and third through hole mentioned above) and slot 30. The protective sleeves can be made of rubber or nylon. The flexible wear-resistant protective sleeve refers to a tubular or annular structure embedded inside the through hole or slot 30, which can be implemented by vulcanized rubber or injection-molded nylon parts, and is fixed to the inner side of the hole wall by interference fit or bonding, to isolate the lifting rod 20 from direct contact with the metal hole wall. Among them, rubber or nylon refers to non-metallic materials with elastic deformation capability, such as nitrile rubber, polyurethane rubber, or PA66 nylon, which utilize the high wear resistance and corrosion resistance of the material itself to reduce friction loss between metals. During the lifting operation, when the lifting rod 20 passes through each through hole or slot 30, the elastic deformation of the protective sleeve can buffer the dynamic impact force between the rod and the hole wall, avoiding scratches or wear on the metal surface caused by hard contact. Rubber or nylon materials can form a physical barrier layer in humid or salt spray environments, preventing corrosive media from contacting the metal hole wall and delaying rust formation. The embedding method of the protective sleeve allows for selective installation at single or multiple critical hole locations, such as preferential installation in the first through hole 31 where stress is concentrated, thus balancing protective effect and manufacturing cost. This technical solution, through the flexible isolation effect of the protective sleeve, converts sliding friction into internal material deformation, significantly reducing the wear rate between metals. Furthermore, in existing technologies without protective sleeves, hole wall corrosion weakens structural strength; however, this solution, through the corrosion-resistant properties of non-metallic materials, extends the service life of the hole wall structure in harsh environments. This application effectively reduces frictional loss between the lifting rod 20 and the hole wall, prevents corrosion expansion on the metal surface due to long-term contact, reduces the maintenance frequency of the lifting device due to wear or rust, and improves the stability of the fit between the lifting rod 20 and the hole wall during lifting operations.

[0027] As another embodiment of this application, refer to Figure 1 and Figure 2This application further proposes that fourth reinforcing members 14 are respectively installed on the inner walls of the crossbeams 22 located on both sides of the support rod 20, near the support rod side. The two ends of the fourth reinforcing member 14 are respectively fixedly connected to the first reinforcing member 11 and the second reinforcing member 12. The fourth reinforcing member 14 refers to a plate-like or block-like metal component disposed on the inner wall of the crossbeam 22 in the area adjacent to the support rod 20. For example, it can be fixed to the inner wall of the crossbeam 22 by welding or bolting, and is used to transfer the load borne by the crossbeam 22 to the first and second reinforcing members 12. The first reinforcing member 11 refers to a transverse support component installed between the two crossbeams 221 and 222, for example, it can be made of I-beams or angle steel, and is used to disperse the longitudinal tensile force transmitted by the support rod 20. The second reinforcing member 12 refers to a vertical support component fixed to the inner wall of the frame body 10, for example, it can be formed by stamping steel plates, and is used to withstand the transverse shear force of the support rod 20. When the lifting rod 20 bears the lifting load, local stress concentration occurs on the inner walls of the two crossbeams 22 due to the difference in force. The fourth reinforcing member 14 is fixed to the first reinforcing member 11 and the second reinforcing member 12 at both ends, forming a composite connection structure in the transverse and longitudinal directions. The shear force from the inner wall of the crossbeam 22 is transmitted to the first reinforcing member 11 through the fourth reinforcing member 14 to achieve longitudinal dispersion, while the second reinforcing member 12 provides lateral constraint. This bidirectional force transmission mechanism makes the stress distribution on the inner wall of the crossbeam 22 more uniform, avoiding the risk of plastic deformation caused by load concentration in one direction. The spatial connection between the fourth reinforcing member 14 and the original reinforcing members also forms a closed triangular support system, which significantly improves the bending stiffness of the crossbeam 22 structure. This application constructs a multi-directional force transmission path by adding the fourth reinforcing member 14, forming a three-dimensional support network inside the crossbeam 22. In existing technologies, the stress on the inner wall of the crossbeam 22 is resisted only by its own cross-section. However, this solution transfers the load to the first and second reinforcing members 12 via the fourth reinforcing member 14, transforming the stress state of the crossbeam 22 from single-point bearing to multi-point collaborative bearing. This application effectively reduces the stress concentration on the crossbeams 22 on both sides of the lifting rod 20 due to asymmetrical loads, preventing localized deformation or cracking of the inner wall of the crossbeam 22. The connection structure between the fourth reinforcing member 14 and the first and second reinforcing members 12 enhances the bending stiffness of the crossbeam 22, ensuring the overall stability of the box frame during hoisting. The formation of a multi-directional force transmission path allows the hoisting load to be evenly distributed within the frame structure, avoiding the risk of cascading failures caused by the failure of a single bearing point in traditional structures.

[0028] As another embodiment of this application, such as Figure 1As shown, this application further proposes installing fourth reinforcing members 14 on the inner walls of the crossbeams 22 on both sides of the support rod 20, near the support rod 20. The two ends of the fourth reinforcing member 14 are respectively fixedly connected to the first reinforcing member 11 and the second reinforcing member 12. The fourth reinforcing member 14 refers to a metal support component installed on the inner wall of the crossbeam 22, which can be, for example, welded from steel plates or angle steel, and is used to further rigidly connect the first reinforcing member 11 and the second reinforcing member 12 on the side of the crossbeam 22 near the support rod 20. The first reinforcing member 11 refers to a transverse support plate installed between the two crossbeams 221 and 222, which can be, for example, a steel plate with through holes, and is used to distribute the load transmitted by the support rod 20. The second reinforcing member 12 refers to a vertical support plate fixed to the inner wall of the frame body 10, which can be, for example, a steel plate with through holes, and is used to constrain the displacement path of the support rod 20. The fourth reinforcing member 14 extends longitudinally along the inner wall of the crossbeam 22, with its two ends welded to the sides of the first reinforcing member 11 and the second reinforcing member 12, respectively. When the support rod 20 bears the lifting load, the fourth reinforcing member 14 converts the lateral tensile force into distributed stress along the axial direction of the crossbeam 22, while forming a closed force transmission path through the connection of the first reinforcing member 11 and the second reinforcing member 12. The longitudinal arrangement direction of the fourth reinforcing member 14 is parallel to the axis of the crossbeam 22, so that the bending moment generated during the lifting process is decomposed into the axial compressive force of the crossbeam 22 and the shear resistance of the fourth reinforcing member 14. This technical solution, through the multi-directional connection of the fourth reinforcing member 14 with the first and second reinforcing members 12, forms a three-dimensional support network between the crossbeam 22 and the frame body 10, dispersing the stress originally concentrated at the installation point of the support rod 20 to the entire crossbeam 22 and the side wall of the frame body 10, thereby suppressing local deformation. This application effectively reduces the stress concentration in the area around the support rod 20, preventing cracks from forming at the connection between the crossbeam 22 and the frame body 10 due to repeated stress. The rigid connection between the fourth reinforcing member 14 and the inner wall of the crossbeam 22 enhances the torsional resistance of the box body during dynamic hoisting, preventing structural instability caused by box body swaying. The formation of a closed force transmission path ensures that the hoisting load is evenly distributed to each supporting component of the frame body 10, significantly improving the overall structural reliability.

[0029] In addition, preferably, the container hoisting device of this application may also be provided with a first reinforcing member, a second reinforcing member, a third reinforcing member and a fourth reinforcing member, so as to make the container hoisting device more robust and structurally stable, avoid deformation during hoisting, and ensure that the entire container structure is not damaged.

[0030] This application further provides a container, the container including a container body and the container body lifting device described above.

[0031] Furthermore, this application also provides a mobile generator set. The mobile generator set includes the aforementioned container and generator equipment installed within the container.

[0032] The above description is merely a preferred embodiment of this application and is not intended to limit this application in any way. Although this application has been disclosed above with reference to preferred embodiments, it is not intended to limit this application. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the technical solution of this application. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of this application without departing from the scope of the technical solution of this application shall still fall within the scope of the technical solution of this application.

Claims

1. A container hoisting device for hoisting a container, the container having a frame body, with multiple parallel and spaced-apart crossbeams installed on the top and bottom surfaces of the frame body; the container hoisting device includes several lifting rods installed on the container. Its features are, The outer side wall of the frame body has several slots for the support rods to pass through. A first reinforcing member is installed between the two crossbeams at the location where the support rods are installed, at a predetermined distance from the outer side wall of the frame body. The first reinforcing member has a first through hole opposite to the slots. The support rods pass through the slots and the first through hole and are fixed to the frame body and the first reinforcing member. The support rods protrude from the outer side wall of the frame body and have an end with a cross-section larger than the cross-section of the support rod to form a lifting lug for lifting the box body.

2. The container hoisting device according to claim 1, characterized in that, A second reinforcing member is fixed on the inner side wall of the frame body at the location where the support rod is installed. A second through hole is opened on the second reinforcing member at the position corresponding to the slot. The second through hole, the slot, and the first through hole are in a straight line. The support rod passes through the slot, the second through hole, and the first through hole and is fixed to the frame body, the second reinforcing member, and the first reinforcing member.

3. The container hoisting device according to claim 1 or 2, characterized in that, The main frame is made of channel steel, with the U-shaped groove of the channel steel facing the outside of the box body. A third reinforcing member parallel to the bottom surface of the U-shaped groove is fixed in the U-shaped groove, and a third through hole is provided on the third reinforcing member. The third through hole, the groove, and the first through hole are in a straight line. The support rod is fixed to the main frame, the third reinforcing member, and the first reinforcing member by passing through the third through hole, the groove, and the first through hole. The support rod protrudes from the third reinforcing member out of the box body.

4. The container hoisting device according to claim 3, characterized in that, A reinforcing rib is provided between the third reinforcing member and the bottom surface of the U-shaped groove of the frame body. The reinforcing rib is fixedly connected at a certain angle between the inner surface of the third reinforcing member and the bottom surface of the U-shaped groove.

5. The container hoisting device according to claim 1 or 2, characterized in that, The outer surfaces of the first and / or second reinforcing members are coated with epoxy resin or polyurethane anti-corrosion coatings.

6. The container hoisting device according to claim 1 or 2, characterized in that, The first through hole, the second through hole, and / or the slot are embedded with flexible wear-resistant protective sleeves, which are made of rubber or nylon.

7. The container hoisting device according to claim 2, characterized in that, A fourth reinforcing member is installed on the inner wall of the crossbeams on both sides of the support rod, near the support rod. The two ends of the fourth reinforcing member are respectively fixed to the first reinforcing member and the second reinforcing member.

8. A container, characterized in that, Includes the container hoisting device as described in any one of claims 1 to 7.

9. A mobile generator set, characterized in that, Includes the container as described in claim 8 and the generator set installed in the container.

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