A ladle delivery device

Abstract

The present application relates to the technical fields of steel smelting, in particular to a ladle conveying device, comprising: a base plate, a rotating disc, a transmission device, two hydraulic power units, a hydraulic motor, a liquid storage tank, a worm and a worm wheel, a circular through hole is formed in the center of the top surface of the base plate, the rotating disc is rotatably arranged in the through hole, the transmission device is arranged on one side of the top surface of the rotating disc, the two hydraulic power units are arranged at the edges of the bottom surface of the rotating disc, the hydraulic motor is connected with the two hydraulic power units through hydraulic pipelines, the liquid storage tank is located between the two hydraulic power units and the hydraulic motor, the worm is arranged at the output end of the hydraulic motor, the worm wheel is rotatably arranged on the bottom surface of the rotating disc, and the worm wheel and the worm are meshed with each other, so as to realize flexible transportation of the ladle between a steelmaking electric arc furnace and a ladle refining furnace.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of steel smelting, in particular to a ladle conveying device. BACKGROUND

[0002] In the process of steel smelting, the electric arc furnace for steelmaking and the ladle refining furnace as core equipment need to transport the ladle between the two, in order to realize efficient ladle transportation, the existing electric arc furnace for steelmaking and ladle refining furnace are usually designed to be on the same horizontal line, so that the ladle can be moved horizontally between the two, however, due to the geographical location and space limitation of smelting plant, the electric arc furnace for steelmaking and the ladle refining furnace cannot be completely kept on the same horizontal line, which will cause inconvenience to the transportation path of the ladle and affect the transportation efficiency.

[0003] The existing ladle conveying device mostly relies on the traditional track system, which cannot flexibly adapt to the transportation challenges brought by the relative position change of the electric arc furnace for steelmaking and the ladle refining furnace. This fixed track system often needs a large area of space, and its adjustment process is complicated, which cannot fully utilize the limited plant space, resulting in inconvenience in the transportation process, increasing the equipment wear and maintenance cost, affecting the overall efficiency of the production line. At the same time, the existing system has poor adaptability to different ladle sizes and loads, cannot automatically adjust the transportation path according to different loads, and often needs manual intervention when facing the size change of the ladle, resulting in the decline of production efficiency and the complication of equipment management. SUMMARY

[0004] The purpose of the present application is to provide a ladle conveying device. In order to solve this problem, the present application provides an innovative ladle conveying device, which can smoothly switch the ladle to the track of different angles by rotating the ladle in the horizontal direction, so as to realize flexible transportation of the ladle between the electric arc furnace for steelmaking and the ladle refining furnace.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a ladle conveying device, comprising:

[0006] A base plate with a circular through hole in the center of the top surface;

[0007] A turntable is rotatably arranged in the through hole;

[0008] A transmission device is arranged on one side of the top surface of the turntable;

[0009] Two hydraulic power units are arranged at the edge of the bottom surface of the turntable, and the two hydraulic power units are connected with the transmission device by mechanical transmission;

[0010] A hydraulic motor is connected with the two hydraulic power units through a hydraulic pipeline;

[0011] A liquid storage tank is arranged between the two hydraulic power units and the hydraulic motor and connected in sequence through hydraulic pipelines;

[0012] A worm is arranged at the output end of the hydraulic motor;

[0013] A worm wheel is arranged at the bottom surface of the rotating disc and is in mesh with the worm, and the worm wheel and the base plate are in relative static state;

[0014] The hydraulic power unit comprises:

[0015] A hydraulic pump is connected with the liquid storage tank through hydraulic pipelines;

[0016] A hydraulic energy storage device is arranged between the hydraulic pump and the hydraulic motor and connected in sequence through hydraulic pipelines.

[0017] Preferably, a three-way track is arranged on the top surface of the base plate, and a corresponding track is arranged on the top surface of the rotating disc, and the rotating disc is located at the branch point of the three-way track.

[0018] Preferably, a hydraulic reversing device is arranged on each hydraulic energy storage device.

[0019] Preferably, the rotating angle of the rotating disc is between 0° and 90°.

[0020] Preferably, the liquid storage tank has a buffering capacity.

[0021] Preferably, an electromagnetic valve one is arranged on the hydraulic motor.

[0022] Preferably, a bottom plate is arranged below the through hole, the worm wheel is fixedly arranged on the bottom plate, a rolling support assembly is arranged on the bottom plate, and the rolling support assembly is located at the periphery of the bottom surface of the rotating disc.

[0023] Preferably, the top surfaces of the base plate and the rotating disc are paved with refractory material.

[0024] Preferably, a transport vehicle is slidingly installed on the top surface of the base plate, and the transport vehicle comprises:

[0025] A platform is arranged at the middle of the top surface and is provided with an annular groove;

[0026] A first tray is arranged in the groove, and the first tray has a circular structure;

[0027] A second tray is arranged in the groove, and the second tray has an annular structure, and the first tray is located at the center of the second tray.

[0028] A first pressing rod is arranged at the bottom surface of the first tray along the radial direction of the first tray.

[0029] A second pressing rod is arranged on the bottom surface of the second tray, and the second pressing rod is parallel to the first pressing rod;

[0030] A first rack is arranged parallel to the second rack;

[0031] A second rack is arranged on the distal end of the second pressing rod from the second tray;

[0032] A reset member is arranged on the bottom surface of the first tray.

[0033] Preferably, the length of the first pressing rod is less than the length of the second pressing rod.

[0034] Preferably, the distance between the first rack and the first tray is less than the distance between the second rack and the first tray.

[0035] The steel ladle conveying device has the beneficial effects that:

[0036] The driving transmission device, the hydraulic power unit, and the hydraulic motor work together to control and adjust the rotation angle of the rotating disc, and the three-part track design solves the problem that the steel ladle refining furnace is not on the same horizontal line as the steelmaking electric arc furnace, thereby causing the steel ladle conveying problem. At the same time, the mechanical and hydraulic control method used in the device simplifies the device structure, improves the reliability and stability of the device, reduces the dependence on the electronic system, reduces the failure rate and maintenance cost;

[0037] At the same time, the diameter difference between the first tray and the second tray on the transport vehicle is utilized to adjust the configuration of the tray, so that the rotating disc can rotate different angles when carrying steel ladles of different diameters, so that the transport vehicle can accurately drive to different tracks, realizing flexible adjustment according to different load requirements, ensuring efficient operation of the transport vehicle under different working conditions, and effectively improving the flexibility, adjustability, and load adaptability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 The figure is a structural schematic diagram of the present application;

[0039] Figure 2 The figure is a partial structural schematic diagram of the present application;

[0040] Figure 3 The figure is a substrate structure schematic diagram of the present application;

[0041] Figure 4 The figure is a rotating disc bottom view of the present application;

[0042] Figure 5 The figure is a partial sectional view of the transport vehicle of the present application;

[0043] Figure 6 Figure is the explosion schematic diagram of the transport vehicle of the present application;

[0044] Figure 7 Figure is the schematic diagram of the transmission device of the present application;

[0045] Figure 8 Figure is the top view of the substrate and the transport vehicle of the present application.

[0046] In the figure: 1, substrate, 12, through hole, 13, bottom plate, 14, rolling support assembly, 2, rotary disc, 3, transmission device, 31, base, 32, first gear, 33, second gear, 34, transmission belt, 4, hydraulic power unit, 41, hydraulic pump, 42, hydraulic accumulator, 51, hydraulic motor, 52, electromagnetic valve one, 6, liquid storage tank, 7, worm, 8, worm gear, 9, first hydraulic reversing device, 901, first reversing pipe, 902, second reversing pipe, 903, first conveying pipe, 904, second conveying pipe, 905, one-way valve one, 906, one-way valve two, 907, electromagnetic valve two, 908, electromagnetic valve three, 909, electromagnetic valve four, 910, electromagnetic valve five, 10, second hydraulic reversing device, 1001, third reversing pipe, 1002, fourth reversing pipe, 1003, third conveying pipe, 1004, fourth conveying pipe, 1005, one-way valve three, 1006, one-way valve four, 1007, electromagnetic valve six, 1008, electromagnetic valve seven, 1009, electromagnetic valve eight, 1010, electromagnetic valve nine, 11, transport vehicle, 111, platform, 112, first tray, 113, second tray, 114, first pressing rod, 115, second pressing rod, 116, first rack, 117, second rack, 118, reset member. DETAILED DESCRIPTION

[0047] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0048] Please refer to Figures 1-8 The present application provides a ladle conveying device technical solution, the detailed connection means is the known technology in the art, the working principle and process are mainly introduced below, and the specific work is as follows.

[0049] A ladle conveying device, comprising: a substrate 1, a rotary disc 2, a transmission device 3, a hydraulic power unit 4, a hydraulic motor 51, a liquid storage tank 6, a worm 7, and a worm gear 8.

[0050] A circular through hole 12 is arranged at the center of the top surface of the base plate 1, the base plate 1 is the basic support structure of the whole ladle conveying device, the design of the through hole 12 facilitates the rotating movement of the turntable 2, ensures the stability and flexibility of the turntable 2, the base plate 1 is fixedly laid on the ground, and the top surface of the base plate 1 is ensured to be at the same horizontal plane as the original base platform 111, at the same time, a deep pit is pre-dug directly below the through hole 12, the bottom surface of the turntable 2 and the components below are ensured to be installed, the turntable 2 is rotatably arranged in the through hole 12, the turntable 2 is the core component of the device, the track on the turntable 2 is connected with the tracks on the base plate 1 at different angles through rotation, the rotating angle of the turntable 2 can be adjusted as needed to realize flexible change of the conveying path, the transmission device 3 is arranged on one side of the top surface of the turntable 2, external power sources (such as motors or hydraulic systems) are converted into rotating power of the turntable 2 through the transmission device 3, so as to realize accurate positioning and operation of the turntable 2, the two hydraulic power units 4 are arranged at the edges of the bottom surface of the turntable 2, the two hydraulic power units 4 are symmetrically distributed on the bottom surface of the turntable 2 to ensure that the turntable 2 is uniformly stressed, thereby effectively reducing the inclination of the turntable 2 caused by uneven stress, this design can greatly reduce the wear of the turntable 2 during operation, improve the operation stability and service life of the system, avoid long-term failure or repair requirements caused by uneven force distribution, reduce maintenance costs, and the two hydraulic power units 4 are connected with the transmission device 3 through mechanical transmission, the two hydraulic power units 4 provide the hydraulic power required for the rotation of the turntable 2, the hydraulic motor 51 is connected with the two hydraulic power units 4 through a hydraulic pipeline, the hydraulic motor 51 is a driving source for realizing the movement of the turntable 2, and its operation depends on the pressure provided by the hydraulic system, the hydraulic pipeline transmits the hydraulic power from the energy accumulator and the hydraulic pump 41 to the hydraulic motor 51, the turntable 2 is driven through the rotation of the motor, and the movement of the turntable 2 is accurately controlled, the liquid storage tank 6 is located between the two hydraulic power units 4 and the hydraulic motor 51 and is connected in sequence through the hydraulic pipeline, the liquid storage tank 6 is used for storing hydraulic oil and maintaining the stability of the hydraulic pressure in the system, the capacity and design of the liquid storage tank 6 directly affect the stability and efficiency of the hydraulic system, so as to ensure that the hydraulic system does not appear pressure fluctuation in a long time work, the worm 7 is arranged at the output end of the hydraulic motor 51, the worm 7 is a key component of mechanical transmission, and converts the rotating power of the hydraulic motor 51 into low-speed large-torque output, the worm gear 8 is rotatably arranged on the bottom surface of the turntable 2, and the worm gear 8 is meshed with the worm 7, and the worm gear 8 and the base plate 1 are relatively static.

[0051] The hydraulic power unit 4 comprises a hydraulic pump 41 and a hydraulic energy accumulator 42.

[0052] The hydraulic pump 41 is connected with the liquid tank 6 by hydraulic pipeline, the hydraulic pump 41 provides the required pressure by extracting hydraulic oil from the liquid tank 6, ensures the power output of the hydraulic power, the hydraulic pump 41 includes but is not limited to using gear pump, plunger pump, etc., the hydraulic accumulator 42 is located between the hydraulic pump 41 and the hydraulic motor 51, and is connected in turn by hydraulic pipeline, the hydraulic accumulator 42 is used to store and release hydraulic energy, wherein the hydraulic accumulator 42 is equipped with a pressure maintaining valve, when the hydraulic pump 41 stops working, the hydraulic oil in the system is maintained at a set pressure through the pressure maintaining valve, the hydraulic accumulator 42 does not release the pressure instantaneously, but stably releases the stored pressure through the setting of the valve, provides the continuous pressure of the system, and the process belongs to the technology familiar to those skilled in the art, wherein the pressure maintaining valve is not shown in the figure.

[0053] The transmission device 3 comprises a base 31, a first gear 32, a second gear 33 and two transmission belts 34.

[0054] The base 31 is arranged on one side of the top surface of the turntable 2, the first gear 32 and the second gear 33 are respectively arranged on the base 31, the rotation axes of the first gear 32 and the second gear 33 are parallel to each other and perpendicular to the extension direction of the track on the turntable 2, the two transmission belts 34 are respectively connected with the rotation shafts of the first gear 32 and the second gear 33 and connected with the driving ends of the two hydraulic pumps 41, the rotation of the transmission belts 34 drives the rotation of the first gear 32 and the second gear 33, so as to drive the operation of the two hydraulic pumps 41, and the rotation of the first gear 32 and the second gear 33 is driven respectively to drive the operation of the two hydraulic pumps 41, wherein the first gear 32 and the second gear 33 are distributed in a staggered manner.

[0055] The top surface of the base plate 1 is provided with a three-way track, the top surface of the turntable 2 is provided with a corresponding track, and the turntable 2 is located at the branching point of the three-way track, the three-way track is designed to enable the ladle car to switch between different conveying paths, ensuring multi-directional operation in a limited space, and the precise cooperation between the turntable 2 and the track enables the ladle car to easily turn into different tracks for operation.

[0056] The hydraulic reversing device is arranged on each hydraulic accumulator 42, which is divided into a first hydraulic reversing device 9 and a second hydraulic reversing device 10, the arrangement of the hydraulic reversing device can adjust the direction of the hydraulic oil flow, so that the hydraulic accumulator 42 can still play a role when the hydraulic oil flows in the opposite direction in the pipeline.

[0057] The first hydraulic reversing device 9 comprises a first reversing pipe 901, a second reversing pipe 902, a first conveying pipe 903, a second conveying pipe 904, a one-way valve one 905, a one-way valve two 906, an electromagnetic valve two 907, an electromagnetic valve three 908, an electromagnetic valve four 909 and an electromagnetic valve five 910.

[0058] The first delivery pipe 903 is arranged at the liquid inlet of the hydraulic accumulator 42, the second delivery pipe 904 is also arranged at the liquid outlet of the hydraulic accumulator 42, the first end of the first reversing pipe 901 is connected to the first delivery pipe 903 close to the hydraulic accumulator 42, the second end of the first reversing pipe 901 is connected to the second delivery pipe 904 far from the hydraulic accumulator 42, the check valve two 906 is arranged on the first reversing pipe 901, the liquid in the first reversing pipe 901 can only flow from the second end to the first end, the electromagnetic valve five 910 is arranged at the second end of the first reversing pipe 901, the first end of the second reversing pipe 902 is connected to the first delivery pipe 903 far from the hydraulic accumulator 42, the second end of the second reversing pipe 902 is connected to the second delivery pipe 904 close to the hydraulic accumulator 42, the check valve one 905 is arranged on the second reversing pipe 902, the liquid in the second reversing pipe 902 can only flow from the second end to the first end, the electromagnetic valve four 909 is arranged at the second end of the second reversing pipe 902, the electromagnetic valve two 907 is arranged on the first delivery pipe 903 and located between the first end of the first reversing pipe 901 and the first end of the second reversing pipe 902, the electromagnetic valve three 908 is arranged on the second delivery pipe 904 and located between the second end of the first reversing pipe 901 and the second end of the second reversing pipe 902.

[0059] The second hydraulic reversing device 10 comprises a third reversing pipe 1001, a fourth reversing pipe 1002, a third delivery pipe 1003, a fourth delivery pipe 1004, a check valve three 1005, a check valve four 1006, an electromagnetic valve six 1007, an electromagnetic valve seven 1008, an electromagnetic valve eight 1009 and an electromagnetic valve nine 1010.

[0060] The third delivery pipe 1003 is arranged at the liquid inlet of the hydraulic accumulator 42, the fourth delivery pipe 1004 is also arranged at the liquid outlet of the hydraulic accumulator 42, the first end of the third switching pipe 1001 is connected to the third delivery pipe 1003 away from the hydraulic accumulator 42, the second end of the third switching pipe 1001 is connected to the fourth delivery pipe 1004 close to the hydraulic accumulator 42, the one-way valve four 1006 is arranged on the third switching pipe 1001, the liquid in the third switching pipe 1001 can only flow from the second end to the first end, the electromagnetic valve eight 1009 is arranged at the second end of the third switching pipe 1001, the first end of the fourth switching pipe 1002 is connected to the third delivery pipe 1003 close to the hydraulic accumulator 42, the second end of the fourth switching pipe 1002 is connected to the fourth delivery pipe 1004 away from the hydraulic accumulator 42, the one-way valve three 1005 is arranged on the fourth switching pipe 1002, the liquid in the fourth switching pipe 1002 can only flow from the second end to the first end, the electromagnetic valve nine 1010 is arranged at the second end of the fourth switching pipe 1002, the electromagnetic valve six 1007 is arranged on the third delivery pipe 1003 and located between the first end of the third switching pipe 1001 and the first end of the fourth switching pipe 1002, the electromagnetic valve seven 1008 is arranged on the fourth delivery pipe 1004 and located between the second end of the third switching pipe 1001 and the second end of the fourth switching pipe 1002.

[0061] When the hydraulic oil in the pipeline flows forward, the electromagnetic valve two 907, the electromagnetic valve six 1007, the electromagnetic valve three 908 and the electromagnetic valve seven 1008 are in the open state, and the electromagnetic valve four 909, the electromagnetic valve five 910, the electromagnetic valve eight 1009 and the electromagnetic valve nine 1010 are in the closed state, when the hydraulic oil in the pipeline flows reversely, the electromagnetic valve two 907, the electromagnetic valve six 1007, the electromagnetic valve three 908 and the electromagnetic valve seven 1008 are in the closed state, and the electromagnetic valve four 909, the electromagnetic valve five 910, the electromagnetic valve eight 1009 and the electromagnetic valve nine 1010 are in the open state.

[0062] The rotation angle of the turntable 2 is between 0°-90°.

[0063] The liquid storage tank 6 has a buffering capacity, and the buffering design can effectively buffer the flow change of the hydraulic oil, reduce the system fluctuation, and ensure the stable operation of the hydraulic motor 51 and other components. When the hydraulic motor 51 is reversed, the oil flow direction changes and the pressure fluctuates, the liquid storage tank 6 can absorb the instantaneous pressure fluctuation, avoid the system from appearing too large vibration or unstable state.

[0064] The electromagnetic valve one 52 is arranged on the hydraulic motor 51, which is used to control the working state of the hydraulic motor 51, and realizes the precise control of the movement of the turntable 2 by controlling the start and stop of the oil flow.

[0065] A bottom plate 13 is arranged below the through hole 12, the bottom plate 13 is fixed in a pre-excavated pit below the through hole 12, the worm wheel 8 is fixedly arranged on the bottom plate 13, the bottom plate 13 is provided with a rolling support assembly 14, the rolling support assembly 14 is located at the outer periphery of the bottom surface of the turntable 2, which can ensure that the turntable 2 is uniformly stressed, and avoid deformation or tilting of the turntable 2 due to uneven stress. The rolling support assembly 14 helps to stabilize the rotation of the turntable 2 and ensures its high-precision operation, especially in the case of carrying heavy ladles, it can maintain high stability. The rolling support assembly 14 includes but is not limited to the following forms: a roller (roller pin) structure, wherein the roller is mounted on the bottom plate 13 through a bearing assembly to provide low-friction support; or an annular raceway structure, wherein the rolling support assembly rolls along the raceway to ensure the stability of the rotation track of the turntable 2 and reduce eccentricity problems, improve rotation accuracy and durability.

[0066] The top surfaces of the base plate 1 and the turntable 2 are paved with refractory material, which improves the high-temperature resistance of the system, prevents damage in high-temperature environments, and prolongs the service life of the equipment.

[0067] The base plate 1 is provided with a transport vehicle 11 for carrying ladles, the transport vehicle 11 has an independent power system, and the power system of the transport vehicle 11 provides driving force through a motor to ensure that it can flexibly advance or retreat on the track of the base plate 1 to meet the needs of ladle conveying and the like, wherein the components such as batteries in the power system are not shown in the figure;

[0068] The transport vehicle 11 includes a platform 111, a first tray 112, a second tray 113, a first pressing rod 114, a second pressing rod 115, a first rack 116, and a second rack 117.

[0069] The middle of the top surface of the platform 111 is provided with an annular groove, the first tray 112 and the second tray 113 are located in the groove, the second tray 113 is an annular structure, the first tray 112 is a circular structure, along the radial direction of the first tray 112, a placing groove penetrating the side wall surface of the platform 111 is arranged, the first tray 112 is located at the center of the second tray 113, a limiting structure is arranged between the first tray 112, the second tray 113 and the platform 111, so as to ensure that the first tray 112 and the second tray 113 can only move in the direction perpendicular to the top surface of the platform 111, the first pressure rod 114 is arranged on the bottom surface of the first tray 112 along the radial direction of the first tray 112, the second pressure rod 115 is arranged on the bottom surface of the second tray 113, and the second pressure rod 115 is in a parallel state with the first pressure rod 114, the first pressure rod 114 and the second pressure rod 115 are located in the placing groove, the first rack 116 and the second rack 117 are arranged in parallel, the tooth surfaces of the first rack 116 and the second rack 117 are directed to the direction of the first gear 32 and the second gear 33, and the positions correspond to each other, the first rack 116 is arranged at the far end of the first pressure rod 114 from the first tray 112, the second rack 117 is arranged at the far end of the second pressure rod 115 from the second tray 113, when no external force is applied, the first rack 116 and the first gear 32 have a spacing, the second rack 117 and the second gear 33 have a spacing, wherein the length of the first pressure rod 114 is less than the length of the second pressure rod 115, the distance between the first rack 116 and the first tray 112 is less than the distance between the second rack 117 and the first tray 112, so as to realize that when a ladle with a transportation diameter less than the inner diameter of the second tray 113 is transported, the first tray 112 is pressed down, the first pressure rod 114 and the first rack 116 are synchronously lowered, the first rack 116 is engaged with the first gear 32, at this time, the second tray 113, the second pressure rod 115 and the second rack 117 are stationary, when a ladle with a transportation diameter greater than the inner diameter of the second tray 113 is transported, the first tray 112 and the second tray 113 are synchronously pressed down, the first pressure rod 114 and the second pressure rod 115 are synchronously lowered, the first rack 116 and the second rack 117 are simultaneously engaged with the first gear 32 and the second gear 33 respectively, the reset member 118 is arranged below the first tray 112, so that the first tray 112 and the second tray 113 return to the original position when the external force is lost.

[0070] Working principle: according to different capacity, select different outer diameter ladle, when the outer diameter of the ladle is less than the inner diameter of the second tray 113, the ladle is placed in the center of the first tray 112, at this time the first tray 112 is pressed down, the second tray 113 is stationary, at this time the first pressure rod 114 and the first rack 116 are synchronized downward, the transport vehicle 11 is controlled to move to the position of the rotating disc 2, in the process of moving the transport vehicle 11, the first rack 116 is engaged with the first gear 32, the first gear 32 rotates, the corresponding hydraulic pump 41 rotates synchronously, the hydraulic oil is stored in the hydraulic accumulator 42 by the pressure of the liquid storage tank 6, when the transport vehicle 11 moves to the rotating disc 2 completely, the first gear 32 stops rotating, at this time the control electromagnetic valve one 52 is opened, at this time the pressure hydraulic oil drives the hydraulic motor 51 to rotate, so as to drive the worm 7 to rotate, under the cooperation of the worm gear 8 and the worm 7, the rotating disc 2 rotates to the corresponding angle N1, the track on the rotating disc 2 is connected with the track on the base plate 1, at this time the transport vehicle 11 is controlled to continue to move forward to the required area, the electromagnetic valve one 52 is closed, after the work is completed, the transport vehicle 11 is controlled to move backward to the rotating disc 2, at the same time and adjust the valve in the first hydraulic reversing device 9, in the process of moving the transport vehicle 11 to the rotating disc 2, the hydraulic pump 41 corresponding to the first gear 32 is driven to rotate reversely, and the rotating disc 2 is controlled to rotate reversely to the initial position, the transport vehicle 11 can be controlled to carry the ladle to receive molten steel again and the like;

[0071] When the outer diameter of the ladle is greater than the inner diameter of the second tray 113, the ladle is placed in the center of the first tray 112, at this time the first tray 112 and the second tray 113 are pressed down at the same time, the first pressure rod 114 and the second pressure rod 115 are synchronized downward, the first rack 116 and the second rack 117 are synchronized downward, the transport vehicle 11 is controlled to move to the position of the rotating disc 2, in the process of moving the transport vehicle 11, the first rack 116 is engaged with the first gear 32, the second rack 117 is engaged with the second gear 33, both hydraulic pumps 41 are in working state, when the transport vehicle 11 moves to the rotating disc 2 completely, the electromagnetic valve one 52 is opened, the rotating disc 2 rotates to the corresponding angle N2, the track on the rotating disc 2 is connected with the track on the base plate 1, at this time the transport vehicle 11 is controlled to continue to move forward to the required area, the electromagnetic valve one 52 is closed, after the work is completed, the transport vehicle 11 is controlled to move backward to the rotating disc 2, at the same time and adjust the valve in the first hydraulic reversing device 9 and the second hydraulic reversing device 10, in the process of moving the transport vehicle 11 to the rotating disc 2, the hydraulic pump 41 corresponding to the first gear 32 is driven to rotate reversely, and the rotating disc 2 is controlled to rotate reversely to the initial position, the transport vehicle 11 can be controlled to carry the ladle to receive molten steel again and the like, if the angle of the transport vehicle 11 is not adjusted, the first rack 116 and the second rack 117 can be removed, in the process of moving the transport vehicle 11, the hydraulic pump 41 will not be driven, so that the rotating disc 2 is in a stationary state,

[0072] When the outer diameter of the ladle is less than the inner diameter of the second tray 113, one hydraulic pump 41 is in operation, and when the outer diameter of the ladle is greater than the inner diameter of the second tray 113, two hydraulic pumps 41 are in operation, so that the angle N1 of rotation of the rotating disc 2 is less than N2, and the travel path can be automatically adjusted according to different loads, precise control of the ladle is realized, and the diversity of the device is improved.

[0073] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are only by way of example and that modifications, changes, substitutions and alterations can be made thereto without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.

Claims

1. A ladle delivery device characterized by, The utility model relates to a kind of transport device, including: Substrate (1), top surface center position is provided with circular through-hole (12); Rotating disc (2), rotation is arranged in the through-hole (12), and the track on the rotating disc (2) is connected with the track on the substrate (1) of different angle by rotation; Transmission device (3), it is arranged in one side of the top surface of the rotating disc (2); Two hydraulic power units (4) are arranged at the bottom edge of the rotating disc (2), and the mechanical transmission mode is connected between the two hydraulic power units (4) and the transmission device (3) respectively; Hydraulic motor (51) is connected with two hydraulic power units (4) by hydraulic pipeline; Liquid storage tank (6) is located between two hydraulic power units (4) and hydraulic motor (51), and is sequentially connected by hydraulic pipeline; Worm (7) is arranged at the output end of the hydraulic motor (51); Worm wheel (8) is rotationally arranged on the bottom surface of the rotating disc (2), and the worm wheel (8) is engaged with the worm (7), and the worm wheel (8) and the substrate (1) are relatively static; The hydraulic power unit (4) includes: Hydraulic pump (41) is connected between the hydraulic pump (41) and the liquid storage tank (6) by hydraulic pipeline, and the number of the hydraulic pump (41) is two; Hydraulic accumulator (42) is sequentially connected between the hydraulic pump (41) and the hydraulic motor (51) by hydraulic pipeline; The transmission device (3) includes: base (31), first gear (32), second gear (33) and two transmission belts (34), wherein the base (31) is arranged on one side of the top surface of the rotating disc (2), the first gear (32) and the second gear (33) are rotationally arranged on the base (31) respectively, the rotation axes of the first gear (32) and the second gear (33) are parallel to each other, and two transmission belts (34) are connected with the driving end of two hydraulic pumps (41) respectively. The substrate (1) top surface slidingly installs transport vehicle (11), and the transport vehicle (11) includes: Platform (111) is provided with annular groove in the middle of the top surface; First tray (112) is located in the groove, the first tray (112) is circular structure, and placing groove is provided along the radial direction of the first tray (112) and penetrates the side wall of the platform (111); Second tray (113) is located in the groove, the second tray (113) is annular structure, and the first tray (112) is located at the center of the second tray (113); First pressing rod (114) is arranged on the bottom surface of the first tray (112) along the radial direction of the first tray (112). A second pressing rod (115) is arranged on the bottom surface of the second tray (113), and the second pressing rod (115) is parallel to the first pressing rod (114), and the first pressing rod (114) and the second pressing rod (115) are both arranged in the placing groove, wherein the length of the first pressing rod (114) is less than the length of the second pressing rod (115); A first rack (116) is arranged on the distal end of the first pressing rod (114) from the first tray (112); A second rack (117) is arranged on the distal end of the second pressing rod (115) from the second tray (113); The first rack (116) and the second rack (117) are parallel, and the first rack (116) and the second rack (117) are arranged on the bottom of the platform (111), and the tooth surfaces of the first rack (116) and the second rack (117) are both directed to the first gear (32) and the second gear (33), and the distance between the first rack (116) and the first tray (112) is less than the distance between the second rack (117) and the first tray (112); A reset member (118) is arranged on the bottom surface of the first tray (112); When no external force is applied, the first rack (116) and the first gear (32) have a spacing, and the second rack (117) and the second gear (33) have a spacing; When a ladle with a diameter less than the inner diameter of the first tray (112) is transported, the first tray (112) is pressed downward, the first pressing rod (114) and the first rack (116) are synchronously lowered, the first rack (116) is engaged with the first gear (32), and the second tray (113), the second pressing rod (115) and the second rack (117) are stationary; When a ladle with a diameter greater than the inner diameter of the first tray (112) is transported, the first tray (112) and the second tray (113) are synchronously pressed downward, the first pressing rod (114) and the second pressing rod (115) are synchronously lowered, and the first rack (116) and the second rack (117) are respectively engaged with the first gear (32) and the second gear (33).

2. A ladle delivery device according to claim 1, characterised in that: A three-way track is arranged on the top surface of the base plate (1), a corresponding track is arranged on the top surface of the rotating disc (2), and the rotating disc (2) is located at the branching point of the three-way track.

3. A ladle delivery device according to claim 1, characterized in that: A hydraulic reversing device is arranged on each hydraulic energy accumulator (42).

4. A ladle delivery device according to claim 1, characterized in that: The rotating angle of the rotating disc (2) is between 0° and 90°.

5. A ladle delivery device according to claim 1, characterized in that: The liquid storage tank (6) has a buffering capacity.

6. A ladle delivery device according to claim 1, characterized in that: An electromagnetic valve (52) is arranged on the hydraulic motor (51).

7. A ladle delivery device according to claim 1, characterized in that: The bottom plate (13) is arranged below the through hole (12), the worm wheel (8) is fixedly arranged on the bottom plate (13), and the rolling support assembly (14) is arranged on the bottom plate (13) and located at the periphery of the bottom surface of the rotating disc (2).

8. A ladle delivery device according to claim 1, characterized in that: The top surfaces of the base plate (1) and the rotating disc (2) are paved with refractory materials.

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