Device for replacing ladle pipe for aluminum ladle

Abstract

The utility model provides a kind of for the pipe replacement device of aluminium lifting ladle, belong to aluminium electrolysis lifting ladle pipe replacement technical field, to solve the problem of inflexible pipe replacement operation arrangement, overall inefficiency is low.The utility model for the pipe replacement device of aluminium lifting ladle includes flat car mechanism and crane mechanism.Crane mechanism includes rotating mechanism, hoisting mechanism, telescopic mechanism and hydraulic system.Rotating mechanism rotatably set in flat car mechanism.Hoisting mechanism includes support beam and swing arm.The bottom of support beam is set on rotating mechanism.Swing arm is swingably set on the top of support beam.Telescopic mechanism is telescopically set on the end of swing arm away from support beam.The end of telescopic mechanism away from swing arm is equipped with hook.Hydraulic system is connected to rotating mechanism, hoisting mechanism and telescopic mechanism respectively.The utility model can realize the quick, flexible replacement of pipe.

Description

Technical Field

[0001] This utility model belongs to the technical field of aluminum electrolysis ladle tube replacement, specifically relating to a tube replacement device for aluminum ladle unloading. Background Technology

[0002] In the aluminum electrolysis production process, the aluminum tapping operation is a critical step. This operation typically involves operators using an overhead crane to lift the aluminum tapping ladle above the electrolytic cell, inserting the ladle tube into the molten aluminum layer inside the cell through the aluminum outlet. Subsequently, the operator opens the air supply pipe connected to the ladle ejector, creating a negative pressure inside the ladle. Under this negative pressure, molten aluminum is drawn into the ladle through the tube. However, because the liquid in the electrolytic cell is layered—a lower layer of molten aluminum and an upper layer of liquid electrolyte with a higher melting point—a small amount of electrolyte inevitably mixes with the molten aluminum and is drawn into the tube during actual tapping. Over time, this electrolyte gradually condenses and adheres to the inner wall of the tube, forming a solid electrolyte crust. This crust significantly reduces the effective flow diameter of the tube, severely hindering the flow of molten aluminum and drastically reducing tapping efficiency. Therefore, the aluminum tapping ladle tube needs to be replaced regularly to clean any blockages and ensure smooth aluminum tapping operations.

[0003] Currently, the common procedure for replacing tubing in the electrolytic aluminum industry is as follows: First, the aluminum ladle transport vehicle carries the ladle requiring tubing replacement to a designated location. Then, operators use an overhead crane and specialized lifting tools to remove the clogged tubing and install a cleaned spare tubing. This traditional method has significant drawbacks: it heavily relies on the coordinated operation of the overhead crane and the aluminum ladle transport vehicle. In actual production, if the overhead crane or the aluminum ladle transport vehicle is performing other production tasks, tubing replacement cannot be carried out in a timely manner, resulting in long equipment waiting times, inflexible replacement schedules, and overall low efficiency, directly impacting the continuity and efficiency of production. Utility Model Content

[0004] Therefore, the technical problem to be solved by this utility model is to provide a tube replacement device for aluminum ladle unloading, which can get rid of the dependence on overhead cranes and aluminum ladle unloading transport vehicles and realize the rapid and flexible replacement of tubes.

[0005] To address the aforementioned problems, this utility model provides a tube replacement device for aluminum ladle lifting, comprising: a flatbed trolley mechanism and a crane mechanism. The crane mechanism includes a rotating mechanism, a lifting mechanism, a telescopic mechanism, and a hydraulic system. The rotating mechanism is rotatably mounted on the flatbed trolley mechanism. The lifting mechanism includes a support beam and a swing arm. The bottom of the support beam is mounted on the rotating mechanism. The swing arm is pivotally mounted on the top of the support beam. The telescopic mechanism is telescopically mounted on the end of the swing arm furthest from the support beam. A hook is provided at the end of the telescopic mechanism furthest from the swing arm. The hook is used for lifting the tube. The hydraulic system is connected to the rotating mechanism, the lifting mechanism, and the telescopic mechanism.

[0006] The rotating mechanism includes a hydraulic motor and a gear-type cylindrical flange mechanism. The hydraulic motor is mounted on the flatbed carriage mechanism. The hydraulic system is connected to the hydraulic motor. A drive gear is mounted on the output shaft of the hydraulic motor. The gear-type cylindrical flange mechanism includes a support column and an outer cylinder. The bottom of the support column is connected to the flatbed carriage mechanism. The outer cylinder is rotatably mounted on the support column via a bearing assembly. A connecting flange is located at the top of the outer cylinder. The connecting flange is used to mount a support beam. A driven gear is located on the outer circumference of the outer cylinder. The driven gear meshes with the drive gear to enable the hydraulic motor to drive the outer cylinder to rotate.

[0007] The bearing assembly includes a thrust ball bearing and a pair of cylindrical roller bearings. The thrust ball bearing and the cylindrical roller bearings are positioned between the support column and the inner wall of the outer cylinder.

[0008] The lifting mechanism also includes a lifting cylinder. The boom is L-shaped and consists of interconnected short and long boom sections. The free end of the short boom section is hinged to the top of the support beam. The free end of the long boom section is connected to a telescopic mechanism. The cylinder seat of the lifting cylinder is hinged to the side wall of the support beam. The piston rod of the lifting cylinder is hinged to the side wall of the long boom section. The piston rod of the lifting cylinder can drive the boom to swing on the support beam. A hydraulic system is connected to the lifting cylinder.

[0009] The telescopic mechanism includes a first hollow steel section, a second hollow steel section, a third hollow steel section, and a telescopic cylinder. One end of the first hollow steel section is connected to the free end of the swing arm. A guide wheel is provided at the free end of the first hollow steel section. The second hollow steel section is telescopically inserted into the first hollow steel section, and the guide wheel is supported on the outer wall of the second hollow steel section. The third hollow steel section is telescopically inserted into the second hollow steel section. A limiting structure is provided between the third and second hollow steel sections to restrict the telescopic movement of the third hollow steel section. A hook is provided on the third hollow steel section, near the end of the third hollow steel section away from the second hollow steel section. The cylinder seat of the telescopic cylinder is hinged to the swing arm. The piston rod of the telescopic cylinder is hinged to the outer wall of the second hollow steel section. The piston rod of the telescopic cylinder can drive the second hollow steel section to telescopically extend and retract within the first hollow steel section. A hydraulic system is connected to the telescopic cylinder.

[0010] The limiting structure includes a limiting hole, a insertion hole, and a cylindrical pin. The limiting hole is located at the end of the second hollow steel section away from the first hollow steel section. Multiple insertion holes are sequentially spaced along the length of the third hollow steel section. The insertion holes correspond to the limiting holes. The cylindrical pin is inserted into the limiting hole through one of the insertion holes to fix the third hollow steel section within the second hollow steel section.

[0011] The hydraulic system includes a hydraulic oil tank, an oil pump, a hydraulic valve assembly, and multiple oil pipes. The hydraulic oil tank stores hydraulic oil. The oil pump's inlet is connected to the hydraulic oil tank. The high-pressure oil output of the oil pump is connected to the inlet of the hydraulic valve assembly. The oil pump is driven by a motor. The outlet of the hydraulic valve assembly is connected to the rotating mechanism, the lifting mechanism, and the telescopic mechanism via multiple oil pipes.

[0012] The flatbed trailer mechanism includes a frame, a tubing support, and a drive system. A wheel mechanism is located at the bottom of the frame. A steering wheel is mounted on the frame and connected to the wheel mechanism via a steering linkage. A rotating mechanism is rotatably mounted on the frame. The tubing support is mounted on the frame and is used to hold tubing. The drive system is mounted on the frame and connected to the wheel mechanism to drive its rotation.

[0013] The support frame includes a support and a pair of support plates. Each support plate has multiple placement slots. The pair of support plates are arranged parallel to each other on the support frame, and the placement slots on the pair of support plates correspond one-to-one.

[0014] The drive system includes a battery, a geared motor, and a transmission mechanism. The battery is connected to the geared motor to power it. The output of the geared motor is connected to the wheel mechanism via the transmission mechanism.

[0015] Beneficial effects: The tubing replacement device for aluminum ladle loading provided by this utility model includes a flatbed trolley mechanism and a crane mechanism. The flatbed trolley mechanism can drive the crane mechanism to move between the tubing cleaning workshop and the aluminum ladle loading platform. In the tubing cleaning workshop, the crane mechanism, through the cooperation of a rotating mechanism, a lifting mechanism, a telescopic mechanism, and a hydraulic system, lifts the cleaned tubing onto the flatbed trolley mechanism. The flatbed trolley mechanism then transports the cleaned tubing to the vicinity of the aluminum ladle loading platform where the tubing needs replacement. Near the aluminum ladle where the tubing needs replacement, the crane mechanism, through the cooperation of the rotating mechanism, lifting mechanism, telescopic mechanism, and hydraulic system, connects a hook to the tubing to be cleaned, providing support for manual disassembly. After the tubing to be cleaned is manually unloaded, the crane mechanism lifts it back onto the flatbed trolley mechanism, and then lifts the cleaned tubing from the flatbed trolley mechanism to the tubing installation position on the aluminum ladle for manual installation. After installation, the drive flatbed vehicle mechanism transports the tubing to be cleaned to the cleaning workshop, and then the crane mechanism places the tubing to be cleaned at the cleaning station for cleaning. Using the tubing replacement device for aluminum ladle removal provided by this invention eliminates the reliance on overhead cranes and aluminum ladle transport vehicles, enabling rapid and flexible tubing replacement, saving time and labor. Attached Figure Description

[0016] Figure 1 A three-dimensional structural schematic diagram of a tube replacement device for aluminum ladle lifting according to an embodiment of the present invention; Figure 2 A schematic diagram of the structure of a flatbed vehicle mechanism according to an embodiment of this utility model; Figure 3 A schematic diagram of the structure of a crane mechanism according to an embodiment of this utility model; Figure 4 A schematic diagram of the retracted state of a crane mechanism according to an embodiment of this utility model; Figure 5 This is a schematic diagram of the working state of a tubing replacement device for aluminum ladle lifting according to an embodiment of the present invention.

[0017] The reference numerals in the attached figures are as follows: 001. Flatbed truck mechanism; 002. Crane mechanism; 003. Aluminum unloading ladle; 004. Pipe wrapping; 011. Chassis; 012. Bracket; 013. Drive system; 014. Wheel mechanism; 015. Steering wheel; 121. Bracket; 122. Support plate; 123. Placement slot; 131. Storage battery; 132. Gear motor; 021. Rotating mechanism; 022. Lifting mechanism; 023. Telescopic mechanism; 024. Hydraulic system; 025. Hook; 211. Hydraulic motor; 212. Drive gear; 213. Support column; 214. Outer cylinder; 215. Connecting flange; 216. Driven gear; 221. Support beam; 222. Swing arm; 223. Lifting cylinder; 231. First hollow steel section; 232. Second hollow steel section; 233. Third hollow steel section; 234. Telescopic cylinder; 235. Limiting hole; 236. Insertion hole; 237. Cylindrical pin; 238. Guide wheel. Detailed Implementation

[0018] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, 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, and therefore should not be construed as a limitation of this utility model.

[0019] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0020] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0021] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0022] This embodiment provides a tube replacement device for aluminum ladle lifting. Figure 1This is a three-dimensional structural diagram of a tube replacement device for aluminum ladle lifting provided in this embodiment. Figure 2 This is a schematic diagram of a flatbed vehicle mechanism provided in this embodiment. Figure 3 This is a structural schematic diagram of a crane mechanism provided in this embodiment. Figure 4 This is a schematic diagram of the retracted state of a crane mechanism provided in this embodiment. Figure 5 This is a schematic diagram illustrating the working state of a tubing replacement device for aluminum ladle lifting provided in this embodiment.

[0023] like Figures 1-5 As shown. The tube replacement device for aluminum ladle lifting in this embodiment includes a flatbed cart mechanism 001 and a crane mechanism 002. The crane mechanism 002 includes a rotating mechanism 021, a lifting mechanism 022, a telescopic mechanism 023, and a hydraulic system 024. The rotating mechanism 021 is rotatably mounted on the flatbed cart mechanism 001. The lifting mechanism 022 includes a support beam 221 and a swing arm 222. The bottom of the support beam 221 is mounted on the rotating mechanism 021. The swing arm 222 is swingably mounted on the top of the support beam 221. The telescopic mechanism 023 is telescopically mounted at the end of the swing arm 222 away from the support beam 221. A hook 025 is provided at the end of the telescopic mechanism 023 away from the swing arm 222. The hook 025 is used to lift the tube 004. The hydraulic system 024 is connected to the rotating mechanism 021, the lifting mechanism 022, and the telescopic mechanism 023.

[0024] In this embodiment, the flatbed cart mechanism 001 can drive the crane mechanism 002 to move between the tubing cleaning workshop and the aluminum ladle placement platform. In the tubing cleaning workshop, the crane mechanism 002, through the cooperation of rotation 021, lifting mechanism 022, telescopic mechanism 023, and hydraulic system 024, can lift the cleaned tubing 004 onto the flatbed cart mechanism 001; then, the flatbed cart mechanism 001 transports the cleaned tubing 004 to the vicinity of the aluminum ladle 003 requiring tubing replacement on the aluminum ladle placement platform. When near the aluminum ladle 003 requiring tubing replacement, the crane mechanism 002, through the cooperation of rotation mechanism 021, lifting mechanism 022, telescopic mechanism 023, and hydraulic system 024, can connect a hook 025 to the tubing 004 requiring replacement, providing support for the tubing 004 to be replaced, facilitating manual disassembly. After the tubing 004 to be cleaned is manually unloaded, the crane mechanism 002 hoists it onto the flatbed cart mechanism 001. The cleaned tubing 004 is then hoisted from the flatbed cart mechanism 001 to the tubing installation position on the aluminum ladle 003 for manual installation. After installation, the flatbed cart mechanism 001 transports the tubing 004 to the cleaning workshop, where the crane mechanism 002 places it at the cleaning station for cleaning. Using the tubing replacement device for the aluminum ladle in this embodiment eliminates reliance on overhead cranes and aluminum ladle transport vehicles, enabling rapid and flexible replacement of the tubing 004, saving time and labor.

[0025] Among them, such as Figure 3 As shown, the rotating mechanism 021 includes a hydraulic motor 211 and a gear-type cylindrical flange mechanism. The hydraulic motor 211 is mounted on the flatbed vehicle mechanism 001. The hydraulic system 024 is connected to the hydraulic motor 211. A drive gear 212 is provided on the output shaft of the hydraulic motor 211. The gear-type cylindrical flange mechanism includes a support column 213 and an outer cylinder 214. The bottom of the support column 213 is connected to the flatbed vehicle mechanism 001. The outer cylinder 214 is rotatably mounted on the support column 213 via a bearing assembly. A connecting flange 215 is provided on the top of the outer cylinder 214. The connecting flange 215 is used to install the support beam 221. A driven gear 216 is provided on the outer periphery of the outer cylinder 214. The driven gear 216 meshes with the drive gear 212 to drive the hydraulic motor 211 to rotate the outer cylinder 214.

[0026] This embodiment provides power to the hydraulic motor 211 through the hydraulic system 024, which drives the drive gear 212 to rotate. Through the cooperation of the drive gear 212 and the driven gear 216, the outer cylinder 214 is rotated, which in turn drives the support beam 221 to rotate. That is, the rotating mechanism 021 can drive the lifting mechanism 022 and the telescopic mechanism 023 to rotate synchronously. It has a high degree of freedom and can be used to lift the pipe in different positions.

[0027] Among them, see Figure 3 The bearing assembly includes a thrust ball bearing and a pair of cylindrical roller bearings. The thrust ball bearing and the cylindrical roller bearing are disposed between the support column 213 and the inner wall of the outer cylinder 214.

[0028] In this embodiment, a thrust ball shaft is provided between the support column 213 and the inner wall of the outer cylinder 214, which can withstand the downward pressure applied to the outer cylinder 214 by the lifting mechanism 022; a pair of cylindrical roller bearings are provided, which can withstand the overturning moment applied to the outer cylinder 214 by the telescopic mechanism 023; this embodiment can make the process of hoisting and moving the casing 004 by the crane mechanism 022 smoother and more stable.

[0029] Among them, such as Figure 1 and Figure 2 As shown, the lifting mechanism 022 also includes a lifting cylinder 223. The swing arm 222 is L-shaped and includes a short arm section and a long arm section connected to each other. The free end of the short arm section is hinged to the top of the support beam 221. The free end of the long arm section is connected to the telescopic mechanism 023. The cylinder seat of the lifting cylinder 223 is hinged to the side wall of the support beam 221. The piston rod of the lifting cylinder 223 is hinged to the side wall of the long arm section. The piston rod of the lifting cylinder 223 can drive the swing arm 222 to swing on the support beam 221. The hydraulic system 024 is connected to the lifting cylinder 223.

[0030] The swing arm 222 in this embodiment is a hollow L-shaped cylinder, which is formed by a pair of L-shaped side plates and four baffles connected between the edges of the pair of L-shaped side plates.

[0031] In this embodiment, the hydraulic system 024 provides power to the lifting cylinder 223, causing the piston rod of the lifting cylinder 223 to extend and retract, thereby driving the swing arm 222 to swing up and down on the support beam 221. When the piston rod of the lifting cylinder 223 extends, the long arm section of the swing arm 222 can be raised to be horizontal with the ground. At this time, by controlling the rotation mechanism 021 to rotate and the extension mechanism 023 to extend and retract, the pipe 004 can be hoisted to the corresponding position. When the pipe 004 is transported using the trolley mechanism 001, or during the unloaded movement of the trolley mechanism 001, the piston rod of the lifting cylinder 223 and the extension mechanism 023 are shortened until the long arm section of the swing arm 222 is nearly parallel to the support beam 221. Figure 4 As shown. The lifting mechanism 022 of this embodiment can be freely opened or retracted according to the usage scenario, which can not only achieve stable hoisting of the tube 004, but also prevent the telescopic mechanism 023 from colliding with other objects or vehicles on the road during the movement of the flatbed mechanism 001, making it convenient and flexible to use.

[0032] Among them, such as Figure 2As shown, the telescopic mechanism 023 includes a first hollow steel section 231, a second hollow steel section 232, a third hollow steel section 233, and a telescopic cylinder 234. One end of the first hollow steel section 231 is connected to the free end of the swing arm 222. A guide wheel 238 is provided at the free end of the first hollow steel section 231. The second hollow steel section 232 is telescopically inserted into the first hollow steel section 231, and the guide wheel 238 is supported on the outer wall of the second hollow steel section 232. The third hollow steel section 233 is telescopically inserted into the second hollow steel section 232. A limiting structure is provided between the third hollow steel section 233 and the second hollow steel section 232 to limit the telescopic movement of the third hollow steel section 233. A hook 025 is provided on the third hollow steel section 233, near the end of the third hollow steel section 233 that is away from the second hollow steel section 232. The cylinder seat of the telescopic cylinder 234 is hinged to the rocker arm 222. The piston rod of the telescopic cylinder 234 is hinged to the outer wall of the second hollow steel section 232. The piston rod of the telescopic cylinder 234 can drive the second hollow steel section 232 to extend and retract within the first hollow steel section 231. The hydraulic system 024 is connected to the telescopic cylinder 234.

[0033] In this embodiment, a boom is formed by a first hollow steel section 231, a second hollow steel section 232, and a third hollow steel section 233. A hydraulic system 024 provides power to the telescopic cylinder 234. When the piston rod of the telescopic cylinder 234 extends, it can drive the second hollow steel section 232 to extend beyond the first hollow steel section 231, thus extending the boom length to facilitate the lifting operation of the pipe 004, such as... Figure 5 As shown; when the piston rod of the telescopic cylinder 234 retracts, it can drive the second hollow steel section 232 to retract the first hollow steel section 231, shortening the boom length so that the lifting mechanism 022 can be retracted, as... Figure 4 As shown. In this embodiment, a guide wheel 238 is provided at the free end of the first hollow steel section 231, and the guide wheel 238 is supported on the outer wall of the second hollow steel section 232. This allows the extension and retraction of the second hollow steel section 232 within the first hollow steel section 231 to be smoother, avoiding mutual wear and extending service life. The hook 025 in this embodiment is connected to the lifting mechanism at the end of the third hollow steel section 233 via a shackle, which not only enables the lifting and retraction of the hook 025 but also facilitates its disassembly, allowing for the replacement of different lifting devices according to usage requirements. It should be noted that the lifting mechanism used at the end of the third hollow steel section 233 to drive the lifting and retraction of the hook 025 is existing technology and is commonly used in lifting and hoisting equipment, so it will not be described in detail here.

[0034] Among them, such as Figure 2As shown, the limiting structure includes a limiting hole 235, an insertion hole 236, and a cylindrical pin 237. The limiting hole 235 is located at the end of the second hollow steel section 232 away from the first hollow steel section 231. On the third hollow steel section 233, a plurality of insertion holes 236 are sequentially spaced along the length of the third hollow steel section 233. The insertion holes 236 correspond to the limiting holes 235. The cylindrical pin 237 is inserted into the limiting hole 235 through one of the insertion holes 236 to fix the third hollow steel section 233 in the second hollow steel section 232.

[0035] The limiting structure of this embodiment can adjust the depth of the third hollow steel 233 inserted into the second hollow steel 232 so that different insertion holes 236 correspond to the limiting hole 235, thereby changing the length of the third hollow steel 233 extending out of the second hollow steel 232, so as to adjust the maximum length of the boom to meet different usage requirements and be suitable for different sizes of working space.

[0036] Among them, see Figures 1-5 The hydraulic system 024 includes a hydraulic oil tank, an oil pump, a hydraulic valve assembly, and multiple oil pipes. The hydraulic oil tank stores hydraulic oil. The oil pump's inlet is connected to the hydraulic oil tank. The high-pressure oil output of the oil pump is connected to the inlet of the hydraulic valve assembly. The oil pump is driven by a motor. The outlet of the hydraulic valve assembly is connected via multiple oil pipes to the rotating mechanism 021, the lifting mechanism 022, and the telescopic mechanism 023, respectively.

[0037] In this embodiment, the hydraulic system 024 is integrated into a single housing, resulting in a compact structure, space-saving design, and ease of installation and commissioning.

[0038] In this embodiment, an oil pump draws hydraulic oil from the hydraulic oil tank, pressurizes it into high-pressure oil, and then inputs it into the hydraulic valve group. The operator can control the directional valve, pressure valve, and flow valve in the hydraulic valve group through the operating handle, so that the high-pressure oil enters the hydraulic motor 211, lifting cylinder 223, or telescopic cylinder 234 at the required pressure and flow rate. Alternatively, the operator can control the hydraulic oil in the hydraulic motor 211, lifting cylinder 223, or telescopic cylinder 234 to return to the hydraulic oil tank through the hydraulic valve group through the operating handle, so that the rotating mechanism 021, lifting mechanism 022, and telescopic mechanism 023 perform corresponding actions.

[0039] Among them, such as Figure 1 and Figure 2As shown, the flatbed vehicle mechanism 001 includes: a frame 011, a tube support 012, and a drive system 013. A wheel mechanism 014 is located at the bottom of the frame 011. A steering wheel 015 is mounted on the frame 011. The steering wheel 015 is connected to the wheel mechanism 014 via a steering linkage mechanism. A rotating mechanism 021 is rotatably mounted on the frame 011. The tube support 012 is mounted on the frame 011 and is used to hold the tube 004. The drive system 013 is mounted on the frame 011 and is connected to the wheel mechanism 014 to drive the wheel mechanism 014 to rotate.

[0040] In this embodiment, the flatbed vehicle mechanism 001 drives the wheel mechanism 014 to rotate via the drive system 013, and controls the direction via the steering wheel 015. The tube support 012 is used to hold the tube 004. By driving the flatbed vehicle mechanism 001, the tube 004 can be transported to the appropriate location, facilitating on-site disassembly and installation of the tube 004. This eliminates the need for overhead cranes and tube transport vehicles for the disassembly and replacement of the tube 004.

[0041] Among them, such as Figure 2 As shown, the tube support 012 includes a support 121 and a pair of support plates 122. The support plates 122 are provided with multiple placement slots 123. The pair of support plates 122 are arranged parallel to each other on the support 121, and the placement slots 123 on the pair of support plates 122 correspond one-to-one.

[0042] The tube support 012 of this embodiment uses a pair of placement 123 to fix a tube 004, which can fix and limit the tube 004, and facilitate the transfer of the tube 004. In addition, the tube support 012 of this embodiment has multiple placement positions for tubes 004, which can realize the disassembly and installation of multiple tubes 004.

[0043] Among them, such as Figure 2 As shown, the drive system 013 includes a battery 131, a geared motor 132, and a transmission mechanism. The battery 131 is connected to the geared motor 132 and supplies power to the geared motor 132. The output end of the geared motor 132 is connected to the wheel mechanism 014 through the transmission mechanism.

[0044] In this embodiment, the battery 131 is a rechargeable lithium battery pack, which is energy-saving, environmentally friendly, and has a strong energy storage capacity.

[0045] The drive system 013 in this embodiment uses a storage battery 131 to power a geared motor 132. The geared motor 132 converts electrical energy into mechanical energy, reduces its speed, increases its torque, and outputs it to the transmission mechanism. The transmission mechanism then drives the wheel mechanism to rotate, thus achieving drive. This embodiment uses a storage battery 131 for power, which is safe, energy-saving, and pollution-free. It should be noted that the transmission mechanism in this embodiment is used to realize the transmission between the wheel axle and the geared motor, and is widely used in existing vehicles. Transmission mechanisms can be divided into two main categories: direct connection and indirect connection. The core principle is to efficiently and reliably transmit the low-speed, high-torque rotational power output by the geared motor to the wheel axle, causing it to rotate. This is existing technology, so it will not be described in detail here.

[0046] The structure of the tubing replacement device used for aluminum ladle unloading has been described above. The following describes the working process of the tubing replacement device used for aluminum ladle unloading: When it is necessary to replace the tube 004 of the aluminum ladle 003, the operator starts the drive system 013 of the flatbed cart mechanism 001 and drives the flatbed cart mechanism 011 to the tube cleaning workshop by controlling the steering wheel 015.

[0047] Start the hydraulic motor 211. The hydraulic motor 211 drives the outer cylinder 214 to rotate on the support column 213 through the cooperation of the drive gear 212 and the driven gear 216, thereby causing the lifting mechanism 022 and the telescopic mechanism 023 to rotate to the side facing the cleaned tube in the cleaning workshop.

[0048] Start the lifting cylinder 223 to extend the piston rod of the lifting cylinder 223, which will drive the long arm section of the swing arm 222 to lift upward until it is parallel to the ground.

[0049] Activate the telescopic cylinder 234 to extend the piston rod of the telescopic cylinder 234, which in turn causes the second hollow steel 232 to extend out of the first hollow steel 231, thereby extending the hook 025 on the third hollow steel 233 above the cleaned tube.

[0050] Lower hook 025 and connect hook 025 to the cleaned tube 004 using a special lifting tool.

[0051] The upper hook 025 lifts up the cleaned tubing 004.

[0052] Start the hydraulic motor 211. The hydraulic motor 211 drives the outer cylinder 214 to rotate on the support column 213 through the cooperation of the drive gear 212 and the driven gear 216, and moves the cleaned tube 004 above the tube support 012.

[0053] Lower the hook 025 and place the cleaned tube 004 into the placement slot 123 on the tube support 012.

[0054] Activating the telescopic cylinder 234 causes its piston rod to retract, retracting the second hollow section 232 back to the first hollow section 231; simultaneously activating the lifting cylinder 223 causes its piston rod to retract, causing the long arm section of the swing arm 222 to swing towards the support beam 221 until the long arm section is nearly parallel to the support beam 221. Figure 4 As shown.

[0055] The driving flatbed vehicle mechanism 001 moves to the vicinity of the aluminum lifting ladle 003 where the tubing needs to be replaced.

[0056] By controlling the hydraulic motor 211, lifting cylinder 223, and telescopic cylinder 234, and lowering the hook 025, the hook 025 is connected to the tubing 004 on the aluminum ladle 003, providing a certain supporting force to the tubing 004 on the aluminum ladle 003. Figure 5 As shown; The tube 004 on the aluminum lifting ladle 003 is manually disassembled.

[0057] After disassembly, the unloaded tube 004 is lifted by controlling the actions of the hydraulic motor 211, the lifting cylinder 223 and the telescopic cylinder 234, as well as the upper hook 025.

[0058] By controlling the actions of the hydraulic motor 211, the lifting cylinder 223 and the telescopic cylinder 234, as well as the lowering hook 025, the removed tube 004 is placed in the placement slot 123 on the tube support 012.

[0059] Connect the hook 025 to the cleaned tubing 004 on the tubing support 012, pull up the hook 025 and control the action of the hydraulic motor 211, lifting cylinder 223 and telescopic cylinder 234 to lift the cleaned tubing 004 to the tubing installation position of the aluminum lifting bale 003.

[0060] The cleaned tubing 004 is manually installed onto the aluminum output lifting package 003.

[0061] Activate the telescopic cylinder 234, causing its piston rod to retract, which in turn retracts the second hollow section 232 back to the first hollow section 231; simultaneously, activate the lifting cylinder 223, causing its piston rod to retract, which in turn swings the long arm section of the swing arm 222 toward the support 221 until the long arm section is nearly parallel to the support beam 221; activate the hydraulic motor 221, causing the outer cylinder 214 to rotate and reset the lifting mechanism 022 and the rotating mechanism 023. Figure 4 As shown.

[0062] The driving flatbed vehicle mechanism 001 moves to the pipe cleaning workshop, and the crane mechanism 002 places the pipe 004 that needs to be cleaned on the pipe bracket 012 into the cleaning station for cleaning.

[0063] Using the tubing replacement device for aluminum ladle ejection in this embodiment can eliminate the dependence on overhead cranes and aluminum ladle ejection transport vehicles, enabling rapid and flexible tubing replacement, saving time and effort.

[0064] It will be readily understood by those skilled in the art that the aforementioned advantageous methods can be freely combined and superimposed without conflict.

[0065] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model. The above are only preferred embodiments of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A device for changing the tube of an aluminum ladle, characterized in that, include: Flatbed vehicle mechanism and crane mechanism; the crane mechanism includes a rotating mechanism, a lifting mechanism, a telescopic mechanism and a hydraulic system; The rotating mechanism is rotatably mounted on the flatbed vehicle mechanism; The lifting mechanism includes a support beam and a swing arm; the bottom of the support beam is mounted on the rotating mechanism; the swing arm is swayably mounted on the top of the support beam. The telescopic mechanism is telescopically mounted at the end of the swing arm furthest from the support beam; the end of the telescopic mechanism furthest from the swing arm is provided with a hook; the hook is used to lift the tube. The hydraulic system is connected to the rotating mechanism, the lifting mechanism, and the telescopic mechanism, respectively.

2. The tubing replacement device for aluminum ladle lifting according to claim 1, characterized in that, The rotating mechanism includes a hydraulic motor and a gear-type circular tube flange mechanism; The hydraulic motor is mounted on the flatbed vehicle mechanism; the hydraulic system is connected to the hydraulic motor; a drive gear is provided on the output shaft of the hydraulic motor; The gear-type circular tube flange mechanism includes a support column and an outer cylinder; the bottom of the support column is connected to the flatbed vehicle mechanism; the outer cylinder is rotatably sleeved on the support column via a bearing assembly; a connecting flange is provided at the top of the outer cylinder; the connecting flange is used to install the support beam; a driven gear is provided on the outer periphery of the outer cylinder; the driven gear meshes with the driving gear to enable the hydraulic motor to drive the outer cylinder to rotate.

3. The tube replacement device for aluminum ladle lifting according to claim 2, characterized in that, The bearing assembly includes a thrust ball bearing and a pair of cylindrical roller bearings; the thrust ball bearing and the cylindrical roller bearings are disposed between the support column and the inner wall of the outer cylinder.

4. The tube replacement device for aluminum ladle lifting according to claim 1, characterized in that, The lifting mechanism also includes a lifting cylinder; The swing arm is L-shaped and includes a short arm section and a long arm section connected to each other; the free end of the short arm section is hinged to the top of the support beam; the free end of the long arm section is connected to the telescopic mechanism. The cylinder seat of the lifting cylinder is hinged to the side wall of the support beam; the piston rod of the lifting cylinder is hinged to the side wall of the long boom section; the piston rod of the lifting cylinder can drive the swing arm to swing on the support beam. The hydraulic system is connected to the lifting cylinder.

5. The tubing replacement device for aluminum ladle lifting according to claim 1, characterized in that, The telescopic mechanism includes a first hollow steel section, a second hollow steel section, a third hollow steel section, and a telescopic hydraulic cylinder; One end of the first hollow steel section is connected to the free end of the swing arm; the free end of the first hollow steel section is provided with a guide wheel; The second hollow steel section is retractably inserted into the first hollow steel section; and the guide wheel is supported on the outer wall of the second hollow steel section. The third hollow steel section is retractably inserted into the second hollow steel section; A limiting structure is provided between the third hollow steel section and the second hollow steel section to restrict the extension and retraction of the third hollow steel section; the hook is provided on the third hollow steel section and is close to the end of the third hollow steel section away from the second hollow steel section; The cylinder seat of the telescopic cylinder is hinged to the swing arm; the piston rod of the telescopic cylinder is hinged to the outer wall of the second hollow steel section. The piston rod of the telescopic cylinder can drive the second hollow steel section to extend and retract within the first hollow steel section; The hydraulic system is connected to the telescopic cylinder.

6. The tube replacement device for aluminum ladle lifting according to claim 5, characterized in that, The limiting structure includes a limiting hole, a insertion hole, and a cylindrical pin. The limiting hole is located at the end of the second hollow steel that is furthest from the first hollow steel; On the third hollow steel section, a plurality of insertion holes are arranged at intervals along the length direction of the third hollow steel section; the insertion holes can correspond to the limiting holes; The cylindrical pin is inserted into the limiting hole through one of the insertion holes to fix the third hollow steel section in the second hollow steel section.

7. The tubing replacement device for aluminum ladle lifting according to claim 1, characterized in that, The hydraulic system includes a hydraulic oil tank, an oil pump, a hydraulic valve group, and multiple oil pipes; The hydraulic oil tank is used to store hydraulic oil; The oil pump's inlet is connected to the hydraulic oil tank; the oil pump's high-pressure oil output is connected to the inlet of the hydraulic valve assembly; the oil pump is driven by a motor. The outlet end of the hydraulic valve assembly is connected to the rotating mechanism, the lifting mechanism, and the telescopic mechanism via multiple oil pipes.

8. The tube replacement device for aluminum ladle lifting according to claim 1, characterized in that, The flatbed vehicle mechanism includes: a frame, a tube support, and a drive system; The bottom of the vehicle frame is provided with a wheel mechanism; the vehicle frame is provided with a steering wheel; the steering wheel is connected to the wheel mechanism through a steering linkage mechanism; the rotating mechanism is rotatably mounted on the vehicle frame. The tube holder is mounted on the vehicle frame; the tube holder is used to hold the tube. The drive system is mounted on the vehicle frame; the drive system is connected to the wheel mechanism and is used to drive the wheel mechanism to rotate.

9. The tube replacement device for aluminum ladle lifting according to claim 8, characterized in that, The tube support includes: a support and a pair of support plates; the support plates are provided with multiple placement slots; A pair of support plates are arranged parallel to each other on the bracket; and the placement slots on the pair of support plates correspond one-to-one.

10. The tube replacement device for aluminum ladle lifting according to claim 8, characterized in that, The drive system includes: a battery, a geared motor, and a transmission mechanism; The storage battery is connected to the geared motor and is used to power the geared motor. The output end of the geared motor is connected to the wheel mechanism through the transmission mechanism.

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