CN218775658U - Automatic ladle tipping device and quantitative tipping control system thereof - Google Patents

Abstract

The utility model relates to an automatic tipping device of ladle and ration control system that tumbles thereof belongs to metallurgical equipment technical field. Comprises a base, an installation rod, a lifting hydraulic rod, a guide rail and a tipping hydraulic rod; the lifting hydraulic rods are arranged on the base in pairs, guide rails are arranged at the upper ends of the lifting hydraulic rods, two suspension mechanisms are arranged between the two guide rails, the suspension mechanism positioned in the front is used for suspending a ladle, and the suspension mechanism positioned in the rear is provided with a tipping hydraulic rod through an installation rod; the telescopic rod of the tilting hydraulic rod is provided with a tilting hook through a steel rope, and the bottom of the ladle is provided with a hanging lug. When the molten iron is poured, the driving element, the lifting hydraulic rod and the tipping hydraulic rod are matched with each other to ensure that the pouring opening of the ladle can maintain the original position unchanged in the whole pouring process, the pouring opening of the ladle is easier to align with the ladle opening, and the operation is more convenient; according to the preset molten iron amount, the iron can be tipped in place at one time, and the working efficiency of workers is effectively improved.

Description

Automatic ladle tipping device and quantitative tipping control system thereof

Technical Field

The utility model belongs to the technical field of metallurgical equipment, specific theory relates to an automatic tipping device of ladle and ration control system that tumbles thereof.

Background

In the metallurgical industry, a ladle receives molten iron in front of a blast furnace and reaches a steel making factory, the molten iron is transported to a tipping device positioned above a ladle car track behind a steel making furnace by a travelling crane and a cross flat car, the ladle is tipped by the tipping device, molten iron is added into the ladle behind the furnace, and molten iron is added once in each smelting process.

The conventional tilting device is characterized in that a hanging arm of a ladle is hung up by a main hook of a travelling crane, and a side lug of the ladle is driven to lift by an auxiliary hook, so that the ladle is tilted to tilt for pouring molten iron, when the ladle starts to tilt, a pouring opening of the ladle is far away from a ladle opening behind a furnace, a worker is difficult to align the pouring opening to the ladle opening behind the furnace, the operation difficulty is high, when the ladle is tilted to more than half, the pouring opening of the ladle moves forwards for a large distance, the position of the ladle behind the furnace needs to be adjusted again, and the operation is complicated.

Disclosure of Invention

In order to solve the problem, the utility model provides an automatic tipping device of ladle and ration control system that tumbles thereof. The position of the pouring opening of the ladle is effectively maintained to be unchanged when the molten iron is poured, the molten iron charging process is more convenient to operate, and the labor efficiency of workers is effectively improved.

In order to achieve the purpose, the utility model is implemented according to the following technical scheme:

an automatic tipping device for a ladle comprises a base 1, a mounting rod 2, a lifting hydraulic rod 3, a guide rail 4 and a tipping hydraulic rod 5; the lifting hydraulic rod 3 is vertically arranged on the base 1 in pairs, the upper end of a piston rod of the lifting hydraulic rod 3 is provided with a guide rail 4, two suspension mechanisms 6 capable of moving back and forth are arranged between the two guide rails 4, the suspension mechanism 6 positioned in the front is used for suspending a ladle 8, the suspension mechanism 6 positioned in the rear is provided with a tipping hydraulic rod 5 through an installation rod 2, and the two suspension mechanisms 6 are driven to move back and forth through driving elements 7 arranged on the guide rails 4 respectively; the telescopic rod of the tilting hydraulic rod 5 is provided with a tilting hook 11 through a steel rope, and the bottom of the ladle 8 is provided with a hanging lug 8-1.

Preferably, the suspension mechanism 6 comprises a bearing wheel 6-1, a connecting rod 6-2 and a U-shaped frame 6-3; the two U-shaped frames 6-3 are respectively arranged on the two guide rails 4 through the bearing wheels 6-1, the bearing wheels 6-1 are rotatably arranged on two sides of the U-shaped frames 6-3, and the two U-shaped frames 6-3 are connected into a whole through the connecting rod 6-2; a hanging arm 8-2 is hinged on the ladle 8, and a hanging head 8-3 which can be placed in the recess of the U-shaped frame 6-3 is arranged on the hanging arm 8-2.

Preferably, the rear end of the base 1 is provided with a balancing weight 1-1, the upper end of the reinforcing rod 1-2 is connected with the upper end of the lifting hydraulic rod 3, and the lower end of the base 1 is connected.

Preferably, a guide groove 15 is formed in the inner side surface of the lifting hydraulic rod 3, an opening is formed in the lower end of the guide groove 15, and a guide wheel 17 matched with the guide groove 15 is arranged on the side surface of the ladle 8.

Preferably, the guide groove 15 is provided with a graduated scale.

Preferably, the guide rail 4 is provided with a dust cover 18, and the top of the dust cover 18 is connected with the exhaust fan 16 through a pipeline.

The utility model provides a control system of automatic tipping device of ladle, be equipped with on the lift hydraulic stem 3 and be used for detecting the laser range finder I9 of guide rail 4 height of locating, be equipped with on the guide rail 4 and be used for detecting the laser range finder II 10 that hangs the mechanism 6 position, be equipped with on the hydraulic stem 5 of tumbling and be used for detecting the laser range finder III 19 of the couple 11 position of tumbling, laser range finder I9, laser range finder II 10, laser range finder III 19 is connected with 12 signal input part of controller respectively, controller 12 respectively with driving element 7, lift hydraulic stem 3, 5 electric connection of hydraulic stem tumbles.

Preferably, a weighing sensor 13 is arranged at the bottom in the recess of the U-shaped frame 6-3, the weighing sensor 13 is connected with a signal input end of a controller 12, and a signal output end of the controller 12 is connected with an audible and visual alarm 14.

Preferably, the controller 12 is connected with the background control system through a wireless communication module.

The utility model has the advantages that:

when the utility model is used for pouring molten iron, the driving element, the lifting hydraulic rod and the tipping hydraulic rod are mutually matched to tip the ladle by taking the pouring opening as the center of a circle, so that the original position of the pouring opening of the ladle can be kept unchanged in the whole pouring process, the pouring opening of the ladle can be placed close to a ladle opening when a worker firstly pours the molten iron, the pouring opening of the ladle is more easily aligned to the ladle opening, and the operation of molten iron pouring is more convenient; according to the preset molten iron amount, the iron can be tipped in place at one time, and the working efficiency of workers is effectively improved. Still through the total weight of weighing sensor real-time detection ladle, when need be converted into quantitative molten iron, the corresponding molten iron volume of accessible backstage control system input, then backstage control system passes through wireless communication network with signal transmission for the controller, the controller controls drive element respectively, the lift hydraulic stem, the hydraulic stem that tumbles links simultaneously, order about the ladle and slowly incline, begin to empty the molten iron, when the total weight of ladle reduces to the setting value, each equipment of controller automatic control stops working, thereby realize converting the automatic control of molten iron volume, and it is more convenient to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a schematic perspective view of the present invention;

FIG. 4 is a schematic view showing a ladle in an inverted state;

FIG. 5 is a schematic view of the connection between the ladle and the suspension mechanism of the present invention;

FIG. 6 is a schematic view of the suspension mechanism of the present invention;

FIG. 7 is a schematic view of the dust cover of the present invention;

fig. 8 is a control block diagram of the present invention;

fig. 9 is a control circuit diagram of the present invention;

in the drawing, 1-base, 1-1 balancing weight, 1-2 reinforcing rods, 2-mounting rods, 3-lifting hydraulic rods, 4-guide rails, 5-tipping hydraulic rods, 6-suspension mechanisms, 6-1 bearing wheels, 6-2 connecting rods, 6-3U-shaped frames, 7-driving elements, 8-ladles, 8-1 hangers, 8-2 hangers, 8-3 hangers, 9-laser range finders I, 10-laser range finders II, 11-tipping hangers, 12-controllers, 13-weighing sensors, 14-audible and visual alarms, 15-guide grooves, 16-exhaust fans, 17-guide wheels, 18-dust covers and 19-laser range finders III.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.

As shown in the figure, the automatic ladle tipping device comprises a base 1, a mounting rod 2, a lifting hydraulic rod 3, a guide rail 4 and a tipping hydraulic rod 5; the lifting hydraulic rods 3 which are vertically installed are arranged on the base 1 in pairs, the two lifting hydraulic rods 3 are arranged, and a tilting space of the ladle 8 is arranged between the two lifting hydraulic rods 3. The upper end of the piston rod of the lifting hydraulic rod 3 is provided with a guide rail 4, the guide rail 4 is arranged in parallel with the ground, and the guide rail 4 respectively extends towards the front side and the rear side by taking the fulcrum of the lifting hydraulic rod 3 as the center.

Two suspension mechanisms 6 capable of moving back and forth are arranged between the two guide rails 4, the suspension mechanism 6 positioned in the front is used for suspending a ladle 8, the suspension mechanism 6 positioned in the rear is provided with a tipping hydraulic rod 5 through a mounting rod 2, and the suspension mechanism 6 comprises a bearing wheel 6-1, a connecting rod 6-2 and a U-shaped frame 6-3; the two U-shaped frames 6-3 are respectively arranged on the two guide rails 4 through the bearing wheels 6-1, the bearing wheels 6-1 are rotatably arranged on two sides of the U-shaped frames 6-3, and the two U-shaped frames 6-3 are connected into a whole through the connecting rod 6-2; two ends of the mounting rod 2 are respectively inserted into the grooves of the U-shaped frames 6-3, so that the mounting rod 2 and the U-shaped frames 6-3 are firmly connected, and the tipping hydraulic rod 5 is fixedly mounted on the mounting rod 2 through bolts. The ladle 8 is hinged with a hanging arm 8-2, a hanging head 8-3 capable of being placed in a recess of the U-shaped frame 6-3 is arranged on the hanging arm 8-2, when the ladle 8 is placed, the hanging arm 8-2 is hooked by a crane to carry out the handling of the ladle 8, the ladle 8 is placed between the two lifting hydraulic rods 3, then the hanging head 8-3 on the hanging arm 8-2 is placed in the recess of the U-shaped frame 6-3, the hanging arm 8-2 is firmly connected with the U-shaped frame 6-3, the ladle 8 is hung on the hanging mechanism 6, and the ladle 8 is convenient to place. Preferably, the cross section of the guide rail 4 is in a shape of '21274', and the two guide rails 4 are arranged oppositely to clamp the hanging mechanism 6 from both sides, so that the stability of the hanging mechanism 6 is ensured.

The two suspension mechanisms 6 are driven to move back and forth by driving elements 7 arranged on the guide rails 4 respectively, the driving elements 7 adopt linear driving components such as hydraulic rods or electric telescopic rods, the driving elements 7 preferably adopt hydraulic rods, bases of the hydraulic rods are fixedly arranged on the guide rails 4 through a rod piece, telescopic rods of the hydraulic rods are connected with the suspension mechanisms 6, and when the hydraulic rods extend or shorten, the suspension mechanisms 6 are driven to move back and forth along the guide rails 4; the telescopic rod of the tilting hydraulic rod 5 is provided with a tilting hook 11 through a steel rope, the tilting hook 11 is flexibly connected through the steel rope, the difficulty of hanging the tilting hook 11 on a hanging lug 8-1 is effectively reduced, and the bottom of the ladle 8 is provided with the hanging lug 8-1. When the automatic tilting device works, after a ladle 8 filled with molten iron is hung on the hanging mechanism 6, the tilting hook 1 is hung on a hanging lug 8-1 of the ladle 8; when molten iron is poured, the lifting hydraulic rod 3 is lifted slowly, the tipping hydraulic rod 5 pulls the bottom of the ladle 8 to lift, the lifting speed of the tipping hydraulic rod 5 is larger than that of the lifting hydraulic rod 3, so that the bottom of the ladle 8 is lifted, molten iron begins to be poured, meanwhile, the driving element 7 drives the suspension mechanism 6 to move, the whole ladle 8 rotates and inclines slowly by taking the pouring opening of the molten iron as a circle center, the position of the pouring opening of the ladle 8 in the whole pouring process is effectively guaranteed to be unchanged, a worker can pour the molten iron into the ladle accurately, after the position of the base 1 is adjusted, the spout outlet of the molten iron cannot be changed in the whole pouring process, the molten iron in the ladle 8 can be poured all at one time, secondary adjustment is not needed, and the efficiency of molten iron pouring is effectively improved. The suspension mechanism 6 can be driven to move by the driving element 7, the position of the suspension mechanism 6 is adjusted, the steel ropes of the suspension arm 8-2 and the tipping hydraulic rod 5 are always in a vertical state, the stress direction of the ladle 8 is always in a vertical state, and compared with combined hooking and tipping in the conventional technical field, the stress of the ladle 8 does not have inclined stress, the situation that the ladle 8 rocks back and forth when molten iron is poured is effectively avoided, and the safety and the stability of the process of pouring the molten iron and adding iron are effectively improved.

In this embodiment, lift hydraulic stem 3 on be equipped with and be used for detecting laser range finder I9 of guide rail 4 height of locating, laser range finder I9's light source emission unit fixed mounting is at lift hydraulic stem 3 tops, laser range finder I9's reflector plate fixed mounting is in the bottom of guide rail 4 to lift hydraulic stem 3 does not extend the state and is the original point, detects the distance between the light source emission unit of guide rail 4 and laser range finder I9 through laser range finder I9, thereby obtains the height that guide rail 4 located. The guide rail 4 is provided with two laser range finders II 10 used for detecting the positions of the suspension mechanisms 6, the two laser range finders II 10 are arranged and correspond to the two suspension mechanisms 6 one by one respectively, and the detection method is the same as that of the laser range finder I9. Be equipped with on the hydraulic stem 5 of tumbling and be used for detecting laser range finder III 19 of the position that the couple 11 of tumbling was located, laser range finder III 19's light source emission unit fixed mounting is on the base of hydraulic stem 5 of tumbling, laser range finder III 19's reflector plate fixed mounting is at the telescopic link top of hydraulic stem 5 of tumbling, detect the distance between the telescopic link top of hydraulic stem 5 of tumbling to laser range finder III 19's light source emission unit through laser range finder III 19, thereby obtain the elongation of hydraulic stem 5 of tumbling, thereby obtain the position signal of couple 11 of tumbling. Laser range finder I9, laser range finder II 10, laser range finder III 19 is connected with controller 12 signal input end respectively, controller 12 respectively with drive element 7, lift hydraulic stem 3, 5 electric connection of hydraulic stem of tumbling, when empting the molten iron, laser range finder I9 transmits the position of guide rail 4 for controller 12 in real time, the distance of guide rail 4 displacement that makes progress promptly, then transmit for controller 12, laser range finder II 10 detects the displacement distance of suspension mechanism 6 in real time and transmits for controller 12, laser range finder III 19 detects the elongation of hydraulic stem of tumbling 5 in real time, then by controller 12 synchro control and coordinate drive element 7, lift hydraulic stem 3, the work of hydraulic stem 5, effectively ensure that ladle 8 can overturn the molten iron with the mouth of toppling as the rotation of centre of a circle, control is more accurate, and the security is higher.

Preferably, a weighing sensor 13 is arranged at the bottom in the recess of the U-shaped frame 6-3, the mounting rod 2 is placed on the weighing sensor 13, so that the total stress of the suspension mechanism 6 in front is obtained, and after the ladle 8 is placed on the suspension mechanism 6, the hanging head 8-3 is pressed on the weighing sensor 13, so that the total stress of the suspension mechanism 6 in front is obtained; the weighing sensors 13 are connected with a signal input end of the controller 12, a signal output end of the controller 12 is connected with the audible and visual alarm 14, the stress of the four weighing sensors 13 is zero when the ladle 8 is not placed, and after the ladle 8 is placed, the sum of the numerical values of the four weighing sensors 13 is the total weight of the ladle 8, so that the real-time total weight of the ladle 8 is obtained, and the total weight variation of the ladle 8 is the pouring amount of molten iron, so that a worker can monitor the pouring amount of the ladle 8 in real time. Meanwhile, the total stress of the two weighing sensors 13 on the same side can be compared to judge whether the ladle 8 inclines to the side or not, if the ladle 8 inclines to the side, the controller 12 can control the inclined lifting hydraulic rod 3 to appropriately ascend, the stress condition of the ladle 8 is adjusted newly, the uniform stress of the ladle 8 is effectively ensured, the safe process of pouring molten iron is ensured, and if the inclination condition of the ladle 8 exceeds a set value, the controller 12 controls the audible and visual alarm 14 to send out an alarm signal to timely remind workers to evacuate, and the personal safety of the workers is effectively ensured.

Preferably, the controller 12 is connected with the background control system through the wireless communication module, the background control system is composed of a server and an operation panel, when the device works, the controller 12 transmits signals of the device to the background control system through the wireless communication module, the signals are stored by the background control system, and the later-stage check is convenient for a worker to check the device, meanwhile, the worker can control the device after inputting corresponding control parameters through the background control system, if the poured molten iron amount is input, after receiving corresponding control signals, the controller respectively controls the driving element 7, the lifting hydraulic rod 3 and the tipping hydraulic rod 5 to be linked together to pour the molten iron into the ladle, the weighing sensor 13 transmits the real-time weight of the ladle to the controller 12, and when the weight of the ladle is reduced to the set weight, the controller 12 controls all parts to stop working, so that the quantitative molten iron is poured into the ladle.

In this embodiment, the rear end of the base 1 is provided with a counterweight 1-1, the gravity center of the base 1 is adjusted through the counterweight 1-1, the overturning problem caused by unstable gravity center of the base 1 is effectively avoided, the upper end of the reinforcement rod 1-2 is connected with the upper end of the lifting hydraulic rod 3, the lower base 1 is connected, and the reinforcement rod 1-2, the base 1 and the lifting hydraulic rod 3 form a triangle, so that the stability of the lifting hydraulic rod 3 is effectively improved.

In this embodiment, a guide groove 15 is formed in the inner side surface of the lifting hydraulic rod 3, an outer frame of the guide groove 15 is fixedly connected with the lifting hydraulic rod 3, the guide groove 15 is in the shape of a circular arc with a pouring opening of the ladle 8, a guide wheel 17 matched with the guide groove 15 is arranged on the side surface of the ladle 8, an opening for placing the guide wheel 17 into the guide groove 15 is formed in the lower end of the guide groove 15, the ladle 8 is tipped when the molten iron is poured, and the guide wheel 17 moves upwards along the guide groove 15, so that the tipping track of the ladle 8 is limited, the tipping stability of the ladle 8 is ensured, meanwhile, the ladle 8 is effectively prevented from shaking forwards and backwards, and the stability of the ladle 8 when the base 1 moves is ensured. Preferably, the guide groove 15 is provided with a graduated scale, so that a worker can conveniently check the inclination angle of the ladle 8 in real time.

In this embodiment, the guide rail 4 on be equipped with the dust cover 18, the dust cover 18 top is connected with air exhauster 16 through the pipeline, when empting the molten iron, the dust cover 18 just in time is located, directly over the electric stove, and air exhauster 16 works, forms the negative pressure through the pipeline under dust cover 18, siphons away the smoke and dust that produces when empting the molten iron, then in leading-in outside smoke and dust treatment facility, effectively reduces the smoke and dust volume around the equipment, reduces environmental pollution.

The utility model discloses the working process:

1. placing a ladle, hooking the hanging arm 8-2 by using a crane to carry the ladle 8, placing the ladle 8 between the two lifting hydraulic rods 3, and placing the hanging head 8-3 on the hanging arm 8-2 into the recess of the U-shaped frame 6-3;

2. pouring molten iron, inputting the required molten iron pouring amount through a background control system, transmitting the total weight of the ladle 8 to a controller 12 by a weighing sensor 13 in real time, synchronously controlling and coordinating a driving element 7, a lifting hydraulic rod 3 and a tipping hydraulic rod 5 by the controller 12 to work, enabling the ladle 8 to pour the molten iron in a rotating mode by taking a pouring opening as a circle center, and controlling all elements to stop acting and reset when the total weight reduction amount of the ladle 8 is consistent with the set amount by the controller 12 to finish the pouring of the molten iron. Meanwhile, during the pouring of molten iron, the exhaust fan 16 operates to form a negative pressure below the dust cover 18 through a pipe, thereby sucking away smoke generated during the pouring of molten iron.

Finally, it is noted that the above preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims; the size of the attached figure is irrelevant to the specific real object, and the size of the real object can be changed at will.

Claims (9)

1. The utility model provides an automatic tipping device of ladle which characterized in that: comprises a base (1), a mounting rod (2), a lifting hydraulic rod (3), a guide rail (4) and a tipping hydraulic rod (5); the hydraulic ladle overturning mechanism is characterized in that lifting hydraulic rods (3) which are vertically installed are arranged on the base (1) in pairs, guide rails (4) are arranged at the upper ends of piston rods of the lifting hydraulic rods (3), two hanging mechanisms (6) capable of moving back and forth are arranged between the two guide rails (4), the hanging mechanism (6) positioned in the front is used for hanging a ladle (8), the hanging mechanism (6) positioned in the rear is provided with an overturning hydraulic rod (5) through an installation rod (2), and the two hanging mechanisms (6) are driven to move back and forth through driving elements (7) arranged on the guide rails (4); a tilting hook (11) is arranged on a telescopic rod of the tilting hydraulic rod (5) through a steel rope, and a hanging lug (8-1) is arranged at the bottom of the ladle (8).

2. The automatic ladle tilting device as claimed in claim 1, wherein: the suspension mechanism (6) comprises a bearing wheel (6-1), a connecting rod (6-2) and a U-shaped frame (6-3); the two U-shaped frames (6-3) are respectively arranged on the two guide rails (4) through the bearing wheels (6-1), the bearing wheels (6-1) are rotatably arranged on two sides of the U-shaped frames (6-3), and the two U-shaped frames (6-3) are connected into a whole through the connecting rod (6-2); a hanging arm (8-2) is hinged on the ladle (8), and a hanging head (8-3) which can be placed into the recess of the U-shaped frame (6-3) is arranged on the hanging arm (8-2).

3. The automatic ladle tipping device as claimed in claim 1, wherein: the rear end of the base (1) is provided with a balancing weight (1-1), the upper end of the reinforcing rod (1-2) is connected with the upper end of the lifting hydraulic rod (3), and the lower end of the base (1) is connected.

4. The automatic ladle tilting device as claimed in claim 1, wherein: the inner side surface of the lifting hydraulic rod (3) is provided with a guide groove (15), the lower end of the guide groove (15) is provided with an opening, and the side surface of the ladle (8) is provided with a guide wheel (17) matched with the guide groove (15).

5. The automatic ladle tilting device as claimed in claim 4, wherein: and a graduated scale is arranged on the guide groove (15).

6. The automatic ladle tipping device as claimed in claim 1, wherein: the guide rail (4) is provided with a dust cover (18), and the top of the dust cover (18) is connected with an exhaust fan (16) through a pipeline.

7. The utility model provides a quantitative tipping control system of automatic tipping device of ladle which characterized in that: be equipped with on lift hydraulic stem (3) and be used for detecting laser range finder I (9) of guide rail (4) height of locating, be equipped with on guide rail (4) and be used for detecting laser range finder II (10) that hang mechanism (6) position, be equipped with on the hydraulic stem (5) of tumbling and be used for detecting laser range finder III (19) of tumbling couple (11) position, laser range finder I (9), laser range finder II (10), laser range finder III (19) are connected with controller (12) signal input part respectively, controller (12) respectively with drive element (7), lift hydraulic stem (3), hydraulic stem (5) electric connection tumbles.

8. The quantitative tipping control system of the automatic ladle tipping device as claimed in claim 7, wherein: a weighing sensor (13) is arranged at the bottom in the recess of the U-shaped frame (6-3), the weighing sensor (13) is connected with a signal input end of a controller (12), and a signal output end of the controller (12) is connected with an audible and visual alarm (14).

9. The quantitative tipping control system of the automatic ladle tipping device as claimed in claim 8, wherein: the controller (12) is connected with the background control system through the wireless communication module.

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