A travelling crane system for an angle steel production workshop

Abstract

The application discloses an angle steel production workshop travelling crane system, and relates to the field of angle steel production, which comprises a main beam, a trolley mechanism is installed on the main beam, a movable pulley is drivingly connected to the trolley mechanism, a boom is fixed to the hanging side of the movable pulley, a supporting adjusting mechanism is arranged between the movable pulley and the boom, the supporting adjusting mechanism comprises a supporting seat fixed to the hanging side of the movable pulley, a supporting rod is arranged at one end of the supporting seat, an adjusting roller is rotatably connected to one end of the supporting rod, a horizontal moving assembly is arranged between the supporting rod and the supporting seat, a lifting assembly is arranged at the end of the supporting rod away from the adjusting roller, an extrusion clamping assembly is arranged at the end of the supporting rod close to the adjusting roller, and an auxiliary limiting assembly is arranged on one side of the supporting rod. The lifting assembly and the horizontal moving assembly are used for moving the adjusting roller to below the angle steel and supporting the adjusting roller, the precise fine adjustment of the gravity center of the angle steel is realized, the shaking or falling risk of the angle steel during the carrying process is effectively avoided, and the carrying operation of the angle steel can be more safely completed by workers.

Description

Technical Field

[0001] This application relates to the field of angle steel production, and in particular to a crane system for an angle steel production workshop. Background Technology

[0002] Angle steel, as an important structural material, is widely used in construction, bridges, machinery manufacturing and other fields. In the angle steel production workshop, the formed angle steel needs to go through processes such as packaging, transfer and stacking. The overhead crane system is the core equipment to complete these material handling operations.

[0003] The overhead crane mechanism is generally composed of a large trolley, a small trolley, and a lifting hook. In traditional angle steel production workshops, overhead cranes usually use chains or wire ropes in conjunction with hooks for lifting and transporting. Workers manually tie the chains to both ends of bundles of angle steel and then lift and transport them to the designated location.

[0004] However, in actual production operations, bundles of angle steel are often quite long and their center of gravity is often difficult to determine accurately. When binding the chains, workers usually rely on experience to roughly symmetrically place the two chains on both ends of the angle steel, making it difficult to ensure that the center of gravity of the angle steel is exactly below the hook. When the crane lifts the angle steel, if the center of gravity deviates from the lifting point, the angle steel will tilt, causing the lifting rod to have a significant angle deviation. This makes the handling process unstable, and the angle steel is prone to swaying in the air, posing a safety hazard of slipping and falling, which threatens the workers below. Summary of the Invention

[0005] The purpose of this application is to address the problems mentioned in the background art, such as the long length of bundled angle steel and the difficulty in accurately determining its center of gravity. When workers are tying chains, they usually rely on experience to roughly symmetrically place the two chains on both ends of the angle steel, making it difficult to ensure that the center of gravity of the angle steel is exactly below the hook. When the crane lifts the angle steel, if the center of gravity deviates from the lifting point, the angle steel will tilt, causing a significant angular deviation of the lifting rod. This makes the handling process unstable, and the angle steel is prone to swaying in the air, posing a safety hazard of slipping and falling, which threatens the workers below. This application provides a crane system for an angle steel production workshop.

[0006] To achieve the above objectives, this application specifically adopts the following technical solution:

[0007] A crane system for an angle steel production workshop includes a main beam with end beams at both ends. A trolley mechanism is installed between the main beam and the end beams. A trolley mechanism is installed on the main beam, and a movable pulley is drivenly connected to the trolley mechanism. A suspension rod is fixed to the hanging side of the movable pulley. Two symmetrical chains are fixedly fitted onto the suspension rod. A level is fixed to one side of the suspension rod. A support and adjustment mechanism is provided between the movable pulley and the suspension rod. The support and adjustment mechanism includes a support seat fixed to the periphery of the movable pulley's hanging area, and a support rod is provided at one end of the support seat. One end of the support rod is rotatably connected to an adjusting roller. An adjusting motor is fixed to the end of the support rod near the adjusting roller. The output end of the adjusting motor passes through the support rod and is fixedly connected to the adjusting roller. A lateral movement assembly for laterally driving the support rod is provided between the support rod and the support base. A lifting assembly for vertically driving the support rod is provided at the end of the support rod away from the adjusting roller. A squeezing and clamping assembly is provided at the end of the support rod near the adjusting roller. An auxiliary limiting assembly is provided on one side of the support rod. A counterweight is fixed to the end of the support base away from the support rod.

[0008] By adopting the above technical solution, when the angle steel tilts during hoisting, the lifting component and the lateral moving component work together to move the adjusting roller below the angle steel and lift it up. At the same time, the squeezing and clamping component presses the angle steel from above, and the auxiliary limiting component blocks it from the side. The adjusting motor drives the adjusting roller to rotate according to the level instrument detection data, so as to achieve precise fine adjustment of the center of gravity of the angle steel. After the adjustment is completed, all components automatically reset, ensuring a stable and safe handling process, effectively avoiding the risk of the angle steel shaking or falling during handling, and allowing workers to complete the handling of angle steel more safely.

[0009] Furthermore, the extrusion clamping assembly includes a sliding block slidably connected to the support rod, a clamping roller rotatably connected to the sliding block, and a clamping drive component disposed between the sliding block and the support rod.

[0010] By adopting the above technical solution, the clamping drive pushes the sliding block to move downward, so that the clamping roller presses the angle steel from above and forms a vertical clamp with the adjusting roller below, ensuring the stability of the angle steel posture during the fine adjustment process.

[0011] Furthermore, the clamping drive includes a connecting block one fixed on the support rod, and a clamping hydraulic telescopic rod is fixed on the connecting block one. The telescopic end of the clamping hydraulic telescopic rod is fixedly connected to the sliding block.

[0012] By adopting the above technical solution, the hydraulic telescopic rod of clamping extends and retracts, driving the sliding block to move, thereby driving the sliding block and clamping roller to achieve precise clamping and loosening of the angle steel.

[0013] Furthermore, the lifting assembly includes a second connecting block fixed on the support rod. The second connecting block is located at the end of the support rod away from the adjusting roller. A lifting hydraulic telescopic rod is provided on the second connecting block, and the telescopic end of the lifting hydraulic telescopic rod is fixedly connected to the second connecting block.

[0014] By adopting the above technical solution, the lifting hydraulic telescopic rod drives the connecting block two and the entire support rod to rise and fall, and precisely controls the adjusting roller to reach the lifting position or retract to the standby position.

[0015] Furthermore, the auxiliary limiting component includes a connecting block three fixed to one side of the sliding block, a support shaft rotatably connected to the connecting block three, a limiting rod fixed to one end of the support shaft away from the connecting block three, and a rotating component provided on the support shaft.

[0016] By adopting the above technical solution, when the sliding block moves down, the rotating component drives the support shaft to rotate, causing the limiting rod to swing to the side of the angle steel for auxiliary limiting, thus preventing the angle steel from sliding laterally during the adjustment process.

[0017] Furthermore, the rotating component includes a gear fixed on a support shaft, and a rack is fixed on the support rod, the rack being meshed with the gear.

[0018] By adopting the above technical solution, the gear rotates when it meshes with the fixed rack as the sliding block moves down, thereby driving the limit rod to swing automatically, realizing the synchronous linkage of clamping and limiting.

[0019] Furthermore, the lateral movement assembly includes a lateral movement block slidably connected to the support base, the support rod passes through the lateral movement block and is slidably connected to the lateral movement block, the lifting hydraulic telescopic rod is fixedly connected to the lateral movement block, a connecting frame is slidably connected to one side of the support rod, and a lateral drive component is provided between the connecting frame and the support base.

[0020] By adopting the above technical solution, the lateral drive component drives the support rod and the lateral moving block to slide laterally through the connecting frame, so that the adjusting roller can flexibly enter and exit the working position under the angle steel.

[0021] Furthermore, the lateral drive component includes a connecting block four fixed on the support base, and a lateral hydraulic telescopic rod is fixed on the connecting block four. The telescopic end of the lateral hydraulic telescopic rod is fixedly connected to the connecting frame.

[0022] By adopting the above technical solution, the horizontal hydraulic telescopic rod extends and retracts to push the connecting frame, thereby driving the support rod assembly to move smoothly laterally on the support seat, ensuring the precise positioning of the adjusting roller.

[0023] In summary, this application includes at least one of the following beneficial effects;

[0024] 1. In this application, when the angle steel is first lifted, it tilts, causing the lifting hydraulic telescopic rod to drive the connecting block two. The connecting block two then lowers the entire support rod, positioning the adjusting roller on the support rod slightly below one side of the angle steel. Subsequently, the telescopic end of the lateral hydraulic telescopic rod pushes the connecting frame, causing the support rod and its connected lateral moving block to slide laterally on the support base. This allows the support rod to move the adjusting roller directly below the angle steel. Then, the lifting hydraulic telescopic rod actuates again, causing the adjusting roller on the support rod to rise slightly, smoothly lifting the angle steel. Simultaneously, the clamping hydraulic telescopic rod in the clamping drive pushes the sliding block. The sliding block slides downwards on the support rod, causing the clamping roller to press firmly against the surface of the angle steel from above, forming a stable vertical clamping with the adjusting roller below. Then, the adjusting motor drives the adjusting roller to adjust the angle steel, achieving precise fine-tuning of the angle steel's center of gravity. This reduces the risk of the angle steel shifting when lifted by the chain due to workers' inability to accurately judge the center of gravity. It effectively solves the problem of tilting and swaying when handling angle steel with a traditional overhead crane, significantly improving the safety and efficiency of handling in the production workshop, and providing stable and reliable technical support for material transfer in the angle steel production process.

[0025] 2. In this application, during the process of the sliding block moving down to allow the clamping roller to clamp the angle steel, the connecting block three fixed on one side of the sliding block also moves down, causing the support shaft and the limiting rod to move down together. The gear fixed on the support shaft and the rack fixed on the support rod move relative to each other. The rack forces the gear to rotate, and the gear drives the support shaft to rotate, causing the limiting rod to swing from the initial horizontal state to a downward angle, which is exactly located on the side of the angle steel, thus providing auxiliary limiting for the angle steel. This achieves the purpose of preventing the angle steel from lateral slippage during the fine adjustment of the center of gravity, and forming a stable constraint with the lifting of the adjusting roller and the vertical pressing of the clamping roller, thereby further improving the stability of the adjustment.

[0026] 3. In this application, after the angle steel is adjusted, the transverse hydraulic telescopic rod moves in the opposite direction, and the adjusting roller and the extrusion clamping assembly are moved laterally to one side through the connecting frame. The lifting hydraulic telescopic rod then raises the adjusting roller to the highest point, thereby reducing the impact of the adjusting roller being located on the side on the normal movement and placement of the angle steel. Attached Figure Description

[0027] Figure 1 This is a first three-dimensional structural schematic diagram of the overhead crane system in the angle steel production workshop of this application;

[0028] Figure 2 This is a second three-dimensional structural schematic diagram of the overhead crane system in the angle steel production workshop of this application;

[0029] Figure 3 This is a partial structural schematic diagram of the overhead crane system in the angle steel production workshop of this application;

[0030] Figure 4 This is a schematic diagram of the second partial structure of the overhead crane system in the angle steel production workshop of this application;

[0031] Figure 5 This is a partial structural diagram of the supporting adjustment mechanism in this application;

[0032] Figure 6 This is a schematic diagram of the extrusion clamping assembly in this application;

[0033] Figure 7 This is a schematic diagram of the auxiliary limiting component in this application.

[0034] Explanation of reference numerals in the attached figures:

[0035] 1. Main beam; 2. End beam; 3. Trolley mechanism; 4. Axle mechanism; 5. Moving pulley; 6. Hanging rod; 7. Chain; 8. Support and adjustment mechanism; 81. Adjusting roller; 82. Support seat; 83. Adjusting motor; 84. Support rod; 85. Lateral movement assembly; 851. Lateral movement block; 852. Connecting frame; 853. Lateral drive component; 8531. Connecting block four; 8532. Lateral hydraulic telescopic rod; 86. Extrusion clamping. Components; 861, clamping roller; 862, sliding block; 863, clamping drive component; 8631, connecting block one; 8632, clamping hydraulic telescopic rod; 87, lifting component; 871, connecting block two; 872, lifting hydraulic telescopic rod; 88, auxiliary limit component; 881, connecting block three; 882, support shaft; 883, rotating component; 8831, gear; 8832, rack; 884, limit rod; 9, level. Detailed Implementation

[0036] The following is in conjunction with the appendix Figure 1 —7 provides further details regarding this application.

[0037] This application discloses a crane system for an angle steel production workshop.

[0038] Reference Figure 1 , Figure 2 and Figure 3A crane system for an angle steel production workshop includes a main beam 1, with end beams 2 at both ends of the main beam 1. A trolley mechanism 3 is installed between the main beam 1 and the end beams 2. A trolley mechanism 4 is installed on the main beam 1. A movable pulley 5 is driven and connected to the trolley mechanism 4. A suspension rod 6 is fixed to the hanging side of the movable pulley 5. Two symmetrical chains 7 are sleeved and fixed on the suspension rod 6. A level 9 is fixed to one side of the suspension rod 6. A support adjustment mechanism 8 is provided between the movable pulley 5 and the suspension rod 6. The support adjustment mechanism 8 includes a support seat 82 fixed to the hanging periphery of the movable pulley 5. A support rod 84 is provided at one end of the support seat 82. One end of the support rod 84 is rotatably connected to... There is an adjusting roller 81, and an adjusting motor 83 is fixed to one end of the support rod 84 near the adjusting roller 81. The output end of the adjusting motor 83 passes through the support rod 84 and is fixedly connected to the adjusting roller 81. A lateral moving component 85 for laterally driving the support rod 84 is provided between the support rod 84 and the support base 82. A lifting component 87 for vertically driving the support rod 84 is provided at the end of the support rod 84 away from the adjusting roller 81. A squeezing and clamping component 86 is provided at the end of the support rod 84 near the adjusting roller 81. An auxiliary limiting component 88 is provided on one side of the support rod 84. A counterweight is fixed to the end of the support base 82 away from the support rod 84.

[0039] When it is necessary to move angle steel in the production workshop, the main beam 1 is first moved along the length of the end beam 2 by the trolley mechanism 3 to the area above the angle steel to be moved. Then, the trolley mechanism 4 moves along the length of the main beam 1, adjusting the movable pulley 5 and the lifting rod 6 below it to be directly above the angle steel. The worker passes two chains 7 under the bundled angle steel, allowing the chains 7 on the lifting rod 6 to support the angle steel. At this time, the trolley mechanism 4 is activated, allowing the movable pulley 5 to drive the lifting rod 6. The lifting rod 6 uses the chains 7 to lift the angle steel. The level 9 on one side of the lifting rod 6 monitors the horizontal status of the lifting rod 6 in real time. If the angle steel tilts when it is first lifted, the support adjustment machine will adjust the level. In structure 8, the lifting component 87 lowers the support rod 84, positioning the adjusting roller 81 on the support rod 84 slightly below one side of the angle steel. Then, the lateral movement component 85 moves the support rod 84 laterally, causing the adjusting roller 81 to move directly below the angle steel. The lifting component 87 then moves the adjusting roller 81 on the support rod 84, slightly lifting the angle steel. Simultaneously, the clamping component 86 begins operation, clamping the angle steel with the adjusting roller 81. Based on the offset angle measured by the level 9, the adjusting motor 83 drives the adjusting roller 81, causing the adjusting roller 81 to fine-tune the angle steel, adjusting the angle... The steel's center of gravity is located between the two chains 7, and the counterweight on the support base 82 works in conjunction to ensure the support base 82 remains stable when supporting the angle steel. After adjusting the angle steel, the adjusting roller 81 is lowered, and the clamping assembly 86 is disengaged from above the angle steel. Finally, the lateral movement assembly moves the adjusting roller 81 and the clamping assembly 86 to one side, and the lifting assembly 87 raises the adjusting roller 81 to its highest position to reduce the impact of the adjusting roller 81 being on the side on the normal movement and placement of the angle steel. Finally, the trolley mechanism 3 and the trolley mechanism 4 work together to transport the angle steel to the designated position. The worker releases the chain 7 on the angle steel, completing one transport operation. The lifting assembly 87 controls the lifting height of the support rod 84, ensuring that the adjusting roller 81 can stably support the angle steel. When the adjusting motor 83 drives the adjusting roller 81 to rotate, the squeezing clamping assembly 86 cooperates with the adjusting roller 81 to apply a stable clamping force to the angle steel, so that the angle steel maintains a stable posture during fine adjustment. This makes it easier for the center of gravity of the angle steel to coincide with the center of the lifting rod 6, making the handling process smoother. It also reduces the risk of the angle steel shifting when the chain 7 lifts the angle steel because the worker cannot accurately judge the center of gravity of the angle steel. This effectively avoids the risk of the angle steel shaking or falling during handling, allowing workers to complete the handling of the angle steel more safely.

[0040] Reference Figure 3 , Figure 4 and Figure 6 The extrusion clamping assembly 86 includes a sliding block 862 slidably connected to the support rod 84, a clamping roller 861 rotatably connected to the sliding block 862, and a clamping drive member 863 disposed between the sliding block 862 and the support rod 84.

[0041] When the angle steel needs to be clamped, the clamping drive 863 starts to work, pushing the sliding block 862 to slide downward on the support rod 84. The sliding block 862 drives the clamping roller 861 to move together, so that the clamping roller 861 approaches from above and finally presses against the surface of the angle steel. At this time, the clamping roller 861 cooperates with the adjusting roller 81 located below the angle steel to form a stable clamping force on the angle steel from the vertical direction. During the process of the adjusting motor 83 driving the adjusting roller 81 to rotate to fine adjust the angle steel posture, the clamping roller 861 passively rotates with the slight translation of the angle steel, always keeping in contact with the angle steel. By using the clamping roller 861 to clamp the angle steel from above while the adjusting roller 81 supports the angle steel, the stability of the clamping during the adjustment process can be ensured, preventing the angle steel from falling off the adjusting roller 81, and providing a reliable clamping guarantee for the center of gravity adjustment.

[0042] Reference Figure 4 and Figure 6 The clamping drive component 863 includes a connecting block 8631 fixed on the support rod 84, and a clamping hydraulic telescopic rod 8632 fixed on the connecting block 8631. The telescopic end of the clamping hydraulic telescopic rod 8632 is fixedly connected to the sliding block 862.

[0043] When the clamping roller 861 needs to be driven to move, the clamping hydraulic telescopic rod 8632 begins to extend and retract. Since its cylinder is fixed on the connecting block 8631, the extension or retraction of the telescopic end will directly push the sliding block 862 fixedly connected to it to move. Therefore, the extension and retraction of the clamping hydraulic telescopic rod 8632 is converted into the linear sliding of the sliding block 862 on the support rod 84. By using the clamping hydraulic telescopic rod 8632 to drive the sliding block 862 to move, the precise clamping and releasing control of the clamping roller 861 on the angle steel is realized. The stability of the hydraulic transmission ensures the continuity and reliability of the clamping force.

[0044] Reference Figure 3 , Figure 4 and Figure 5 The lifting assembly 87 includes a second connecting block 871 fixed on the support rod 84. The second connecting block 871 is located at the end of the support rod 84 away from the adjusting roller 81. A lifting hydraulic telescopic rod 872 is provided on the second connecting block 871. The telescopic end of the lifting hydraulic telescopic rod 872 is fixedly connected to the second connecting block 871.

[0045] When the height of the support rod 84 and the adjusting roller 81 needs to be adjusted, the lifting hydraulic telescopic rod 872 starts to work. Since the telescopic end of the lifting hydraulic telescopic rod 872 is fixed on the connecting block 2 871, and the connecting block 2 871 is fixed on the support rod 84, and the lifting hydraulic telescopic rod 872 is fixed on the transverse moving block 851, the lifting hydraulic telescopic rod 872 drives the connecting block 2 871 when it works. The connecting block 2 871 drives the support rod 84 to rise and fall. By using the lifting hydraulic telescopic rod 872 to drive the support rod 84 to move, the overall rise and fall of the support rod 84, the adjusting roller 81 and the extrusion clamping assembly 86 installed on it can be precisely controlled, ensuring that the adjusting roller 81 can accurately reach the working position of lifting the angle steel or retract to the standby position.

[0046] Reference Figure 4 , Figure 6 and Figure 7 The auxiliary limiting component 88 includes a connecting block 3 881 fixed on one side of the sliding block 862, a support shaft 882 rotatably connected to the connecting block 3 881, a limiting rod 884 fixed at one end of the support shaft 882 away from the connecting block 3 881, and a rotating part 883 provided on the support shaft 882.

[0047] The limiting rod 884 is initially horizontal. When the sliding block 862 moves downward under the action of the clamping drive 863, causing the clamping roller 861 to press the angle steel, the connecting block 881 fixed on the sliding block 862 also descends. During the descent, the rotating component 883 drives the support shaft 882 to rotate. The rotation of the support shaft 882 causes the limiting rod 884 fixed at its end to swing, keeping the limiting rod 884 at a downward angle. This allows the limiting rod 884 to rotate from its initial idle position to the side of the angle steel, providing auxiliary limiting for the side of the angle steel. This action is linked to the downward pressing action of the clamping roller 861. While the clamping roller 861 presses the angle steel from above, the limiting rod 884 blocks the angle steel from the side. By keeping the limiting rod 884 on the side of the angle steel when the clamping roller 861 presses down, the lateral slippage of the angle steel that may occur when the adjusting roller 81 rotates to adjust the center of gravity is effectively prevented, further improving the stability and safety of the fine-tuning process.

[0048] Reference Figure 4 and Figure 7 The rotating component 883 includes a gear 8831 fixed on the support shaft 882, and a rack 8832 fixed on the support rod 84, which meshes with the gear 8831.

[0049] When the sliding block 862 drives the connecting block 3 881 and the support shaft 882 to descend as a whole, the gear 8831 fixed on the support shaft 882 also descends. Since the rack 8832 is a stationary part fixed on the support rod 84, the gear 8831 moves relative to the rack 8832 during the downward movement. The rack 8832 forces the gear 8831 to rotate, and the gear 8831 drives the support shaft 882 to rotate. By allowing the gear 8831 to move on the rack 8832, the gear 8831 drives the support shaft 882 to rotate, which makes it easy for the limit rod 884 to change its swing synchronously, ensuring that the lateral limit function is automatically activated at the same time as the clamping action.

[0050] Reference Figure 3 , Figure 4 and Figure 5 The lateral movement component 85 includes a lateral movement block 851 slidably connected to the support base 82, a support rod 84 passing through the lateral movement block 851 and slidably connected to the lateral movement block 851, a lifting hydraulic telescopic rod 872 fixedly connected to the lateral movement block 851, a connecting frame 852 slidably connected to one side of the support rod 84, and a lateral drive component 853 provided between the connecting frame 852 and the support base 82.

[0051] When the horizontal position of the adjusting roller 81 needs to be adjusted, the lateral drive component 853 starts working, driving the entire support rod 84 assembly to move laterally via the connecting frame 852. Since the support rod 84 passes through and is slidably connected to the lateral moving block 851, and the lifting hydraulic telescopic rod 872 is fixed on the lateral moving block 851, when the lateral moving block 851 slides on the support base 82, it will drive the lifting hydraulic telescopic rod 872, the adjusting roller 81, the extrusion clamping assembly 86, etc., to move laterally together. During this process, the support rod 84 and the lateral moving block 851... Relative sliding can occur between 51 to accommodate the vertical movement requirements of the support rod 84 when the lifting assembly 87 is activated. By allowing the support rod 84 and the adjusting roller 81 to move laterally and cooperate with the lifting assembly 87, it is possible to conveniently lower the adjusting roller 81 and move it laterally under the angle steel after it is raised. When not needed, the adjusting roller 81 can be moved laterally outward and raised, thus enabling flexible and precise movement to the predetermined position under the angle steel. This also reduces the impact on the normal lifting and placement of the angle steel during the binding stage of lifting and the placement stage of the angle steel.

[0052] Reference Figure 3 , Figure 4 and Figure 5 The lateral drive component 853 includes a connecting block 8531 fixed on the support base 82, and a lateral hydraulic telescopic rod 8532 fixed on the connecting block 8531. The telescopic end of the lateral hydraulic telescopic rod 8532 is fixedly connected to the connecting frame 852.

[0053] When the transverse hydraulic telescopic rod 8532 starts working, since its cylinder is fixed on the connecting block 8531, and the connecting block 8531 is fixed on the support base 82, the telescopic movement of the transverse hydraulic telescopic rod 8532 will directly push and pull the connecting frame 852 fixedly connected to it through its telescopic end. The movement of the connecting frame 852 will then drive the transverse moving block 851 connected to the support rod 84 to slide smoothly laterally on the support base 82. By utilizing the large thrust and high control precision of the hydraulic telescopic rod, it is ensured that the adjusting roller 81 can move accurately and quickly to the working position or retract to the standby position.

[0054] Working Principle: When it is necessary to move angle steel in the production workshop, the main beam 1 is first moved along the length of the end beam 2 by the trolley mechanism 3 to the area above the angle steel to be moved. Then, the trolley mechanism 4 moves along the length of the main beam 1, adjusting the movable pulley 5 and the lifting rod 6 below it to be directly above the angle steel. The worker passes two chains 7 under the bundled angle steel, allowing the chains 7 on the lifting rod 6 to support the angle steel. At this time, the trolley mechanism 4 is activated, allowing the movable pulley 5 to drive the lifting rod 6. The lifting rod 6 uses the chains 7 to lift the angle steel. The level 9 on one side of the lifting rod 6 monitors the horizontal status of the lifting rod 6 in real time. If the angle steel tilts when it is first lifted, it indicates that the center of gravity of the angle steel is not aligned with the center of the lifting rod 6. At this time, the center of gravity needs to be adjusted. First, The lifting hydraulic telescopic rod 872 in the lifting assembly 87 starts working. When the lifting hydraulic telescopic rod 872 works, it drives the connecting block 871. The connecting block 871 drives the entire support rod 84 to descend, so that the adjusting roller 81 on the support rod 84 is located on one side and slightly below the angle steel. Then, the transverse hydraulic telescopic rod 8532 in the transverse drive component 853 starts working. Its telescopic end pushes the connecting frame 852. The connecting frame 852 drives the support rod 84 and the transverse moving block 851 connected to it to slide laterally on the support seat 82, so that the support rod 84 drives the adjusting roller 81 to move directly below the angle steel. Then, the lifting hydraulic telescopic rod 872 moves again, causing the adjusting roller 81 on the support rod 84 to rise slightly, so as to lift the angle steel smoothly.

[0055] While the adjusting roller 81 supports the angle steel, the clamping hydraulic telescopic rod 8632 in the clamping drive component 863 pushes the sliding block 862. The sliding block 862 slides downward on the support rod 84, causing the clamping roller 861 to press against the surface of the angle steel from above, forming a stable vertical clamping with the adjusting roller 81 below. As the sliding block 862 moves downward, the connecting block 881 fixed on one side of the sliding block 862 also descends, driving the support shaft 882 and the limiting rod 884 to move downward together. At this time, the gear 8831 fixed on the support shaft 882 and the... The rack 8832 fixed on the support rod 84 moves relative to the gear 8831, which in turn causes the gear 8831 to rotate. The gear 8831 then drives the support shaft 882 to rotate, causing the limiting rod 884 to swing from its initial horizontal position to a downward angle, which is exactly on the side of the angle steel. This provides auxiliary limiting for the angle steel and effectively prevents it from slipping laterally during adjustment. At this time, the adjusting roller 81 lifts the angle steel from below, the clamping roller 861 presses it from above, and the limiting rod 884 blocks it from the side, forming a comprehensive and stable constraint on the angle steel. The adjusting motor 83 is then started. The output of motor 83 drives the adjusting roller 81 to rotate precisely. The adjusting roller 81, through friction, drives the clamped angle steel to make synchronous fine adjustments until the level indicator 9 shows that the lifting rod 6 has returned to a horizontal state, indicating that the center of gravity of the angle steel is now located in the middle of the two chains 7. After adjusting the angle steel, the clamping hydraulic telescopic rod 8632 is first retracted, causing the sliding block 862 and the clamping roller 861 to rise and disengage from the angle steel. At the same time, the limiting rod 884 rises with the sliding block 862 and automatically swings back to its original position under the action of gear 8831 and rack 8832. Then the lifting hydraulic... The pressure telescopic rod 872 retracts slightly, causing the adjusting roller 81 to descend and release the support for the angle steel. Finally, the lateral hydraulic telescopic rod 8532 moves in the opposite direction, using the connecting frame 852 to move the adjusting roller 81 and the extrusion clamping assembly 86 to one side. The lifting hydraulic telescopic rod 872 then raises the adjusting roller 81 to its highest point to reduce the impact of the adjusting roller 81 being on the side on the normal movement and placement of the angle steel. The trolley mechanism 3 and the trolley mechanism 4 work together to smoothly transport the angle steel to the designated position. The worker releases the chain 7 on the angle steel, completing one handling operation.

[0056] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A travelling crane system for an angle steel production plant, comprising a main beam (1), characterized in that: Both ends of the main beam (1) are provided with end beams (2). A trolley mechanism (3) is installed between the main beam (1) and the end beams (2). A trolley mechanism (4) is installed on the main beam (1). A movable pulley (5) is connected to the trolley mechanism (4) for transmission. A hanging rod (6) is fixed on the hanging side of the movable pulley (5). Two symmetrical chains (7) are fixed on the hanging rod (6). A level (9) is fixed on one side of the hanging rod (6). A support adjustment mechanism (8) is provided between the movable pulley (5) and the hanging rod (6). The support adjustment mechanism (8) includes a support seat (82) fixed on the hanging periphery of the movable pulley (5). A support rod (84) is provided at one end of the support seat (82). An adjusting roller (81) is rotatably connected to one end of the support rod (84). An adjusting roller (81) is fixed at the end of the support rod (84) near the adjusting roller (81). The motor (83) has its output end passing through the support rod (84) and fixedly connected to the adjustment roller (81). A lateral movement assembly (85) for laterally driving the support rod (84) is provided between the support rod (84) and the support seat (82). A lifting assembly (87) for vertically driving the support rod (84) is provided at the end of the support rod (84) away from the adjustment roller (81). A squeezing clamping assembly (86) is provided at the end of the support rod (84) close to the adjustment roller (81). An auxiliary limiting assembly (88) is provided on one side of the support rod (84). A counterweight is fixed at the end of the support seat (82) away from the support rod (84). The squeezing clamping assembly (86) includes a sliding block (862) slidably connected to the support rod (84). A clamping roller (861) is rotatably connected to the sliding block (862).

2. The overhead crane system for an angle steel production workshop according to claim 1, characterized in that: A clamping drive (863) is provided between the sliding block (862) and the support rod (84).

3. The overhead crane system for an angle steel production workshop according to claim 2, characterized in that: The clamping drive component (863) includes a connecting block (8631) fixed on the support rod (84), and a clamping hydraulic telescopic rod (8632) is fixed on the connecting block (8631). The telescopic end of the clamping hydraulic telescopic rod (8632) is fixedly connected to the sliding block (862).

4. The overhead crane system for an angle steel production workshop according to claim 1, characterized in that: The lifting assembly (87) includes a second connecting block (871) fixed on the support rod (84). The second connecting block (871) is located at the end of the support rod (84) away from the adjusting roller (81). A lifting hydraulic telescopic rod (872) is provided on the second connecting block (871). The telescopic end of the lifting hydraulic telescopic rod (872) is fixedly connected to the second connecting block (871).

5. The overhead crane system for an angle steel production workshop according to claim 3, characterized in that: The auxiliary limiting component (88) includes a connecting block three (881) fixed on one side of the sliding block (862), a support shaft (882) rotatably connected on the connecting block three (881), a limiting rod (884) fixed at one end of the support shaft (882) away from the connecting block three (881), and a rotating part (883) provided on the support shaft (882).

6. The overhead crane system for an angle steel production workshop according to claim 5, characterized in that: The rotating component (883) includes a gear (8831) fixed on a support shaft (882), and a rack (8832) fixed on the support rod (84), the rack (8832) meshing with the gear (8831).

7. The overhead crane system for an angle steel production workshop according to claim 4, characterized in that: The lateral movement assembly (85) includes a lateral movement block (851) slidably connected to a support base (82), a support rod (84) passing through the lateral movement block (851) and slidably connected to the lateral movement block (851), a lifting hydraulic telescopic rod (872) fixedly connected to the lateral movement block (851), a connecting frame (852) slidably connected to one side of the support rod (84), and a lateral drive member (853) provided between the connecting frame (852) and the support base (82).

8. A crane system for an angle steel production workshop according to claim 7, characterized in that: The lateral drive component (853) includes a connecting block four (8531) fixed on the support base (82), and a lateral hydraulic telescopic rod (8532) is fixed on the connecting block four (8531). The telescopic end of the lateral hydraulic telescopic rod (8532) is fixedly connected to the connecting frame (852).

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