CN117259704A - Vertical continuous casting machine blank ejection system - Google Patents

Abstract

The invention discloses a vertical continuous casting machine knockout system, which belongs to the technical field of continuous casting machines and aims to solve the problem that a casting blank is easy to drop in the existing blank receiving vehicle, wherein the vertical continuous casting machine knockout system comprises a casting blank tilting vehicle (1), a tilting vehicle track (2) and a tilting vehicle hoisting device (3), the tilting vehicle track (2) comprises a main track (201) and a secondary track (202), the main track (201) is in an inclined state, the tilting vehicle hoisting device (3) can pull the casting blank tilting vehicle (1) to move upwards on the main track (201), and the secondary track (202) can guide the casting blank tilting vehicle (1) to change from the inclined state to an upright state in the process of downwards moving the casting blank tilting vehicle (1) on the main track (201). The vertical continuous casting machine knockout system guides the inclination angle of the casting blank tilting car through the auxiliary rail, so that the knockout system operates more stably, and the problem that the casting blank falls off is difficult to occur.

Description

Vertical continuous casting machine blank ejection system

Technical Field

The invention relates to the technical field of continuous casting machines, in particular to a billet ejection system of a vertical continuous casting machine.

Background

The service time of the vertical continuous casting technology is in front of that of the arc continuous casting machine which is mainstream at present, and compared with that of the vertical continuous casting machine, the arc continuous casting machine has the main advantages of saving production cost and simplifying operation process. But for very specific steel grades, the vertical continuous casting machine still has considerable advantages. Since the vertical continuous casting machine has no bending and straightening steps, the steel grade that can be cast is hardly limited. In addition, the completely vertical casting direction creates the best floating condition for nonmetallic inclusion, and ensures the excellent cleanliness of the interior of the casting blank.

The existing vertical continuous casting machine adopts a blank ejection mode, which can be seen in Chinese patent No. 1315234A, and the publication date is 10 and 3 in 2001, and the disclosed method and device for designing a vertical continuous casting machine oblique blank ejection system is characterized in that a swinging rail is connected with a swinging oil cylinder, and the swinging rail can change a blank receiving vehicle from an upright state to an inclined state, but the problem that the swinging rail is not in butt joint with a straight rail, the blank receiving vehicle vibrates greatly through the joint of the swinging rail and the straight rail, and casting blanks are easy to drop is solved.

Disclosure of Invention

In order to solve the problem that the blank receiving vehicle is easy to fall off a casting blank, the invention provides a blank discharging system of a vertical continuous casting machine, and the blank discharging system of the vertical continuous casting machine guides the inclination angle of the blank tilting vehicle by a secondary rail, so that the blank discharging system operates more stably, the problem that the casting blank falls off is difficult to occur, and the blank discharging system is convenient to maintain, has lower cost advantage and stronger practicability compared with the existing blank discharging system, and is more beneficial to popularization and development of the vertical continuous casting machine.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a vertical continuous casting machine knockout system, includes casting blank tipping car, tipping car track and tipping car hoist device, and the tipping car track contains main track and auxiliary rail, and main track is incline state, and tipping car hoist device can pull the casting blank tipping car and upwards move on main track, and when the casting blank tipping car down the in-process of moving on main track, auxiliary rail can guide the casting blank tipping car to change to upright state from incline state.

The main track contains upper inclined section and lower inclined section that set up from top to bottom, and the contained angle between upper inclined section and the horizontal plane is less than the contained angle between lower inclined section and the horizontal plane.

The auxiliary rail is positioned at the lower part of the lower inclined section, the two main rails are positioned between the two auxiliary rails, and the auxiliary rails are in an inclined state.

The included angle between the auxiliary rail and the horizontal plane is smaller than the included angle between the lower inclined section and the horizontal plane, the upper end of the auxiliary rail corresponds to the lower inclined section, and the lower end of the auxiliary rail is located above the lower inclined section.

The casting blank tilting vehicle comprises a vehicle body, main wheels and auxiliary wheels, wherein the main wheels can only walk on the main track, the auxiliary wheels can only walk on the auxiliary track, and when the casting blank tilting vehicle is positioned on the upper tilting section, the vehicle body is in a horizontal state.

The two pairs of main wheels are arranged at the left side and the right side below the vehicle body, the distance from the pair of auxiliary wheels to the right end of the vehicle body is smaller than the distance from the pair of auxiliary wheels to the left end of the vehicle body, and the pair of main wheels at the right side are positioned between the pair of auxiliary wheels.

When the casting blank tilting vehicle moves downwards from the upper part of the main rail, after a pair of auxiliary wheels move to the upper end of the auxiliary rail, the auxiliary wheels can walk on the auxiliary rail, a pair of main wheels on the right side can be separated from the main rail, and the included angle between the vehicle body and the horizontal plane can be gradually increased.

The lower extreme of vice track is provided with and blocks the seat, blocks that the seat can block vice wheel and continue the downwardly moving, and when vice wheel contacted with blocking the seat, the automobile body was upright state, and a pair of main wheel in left side breaks away from the main track.

The vertical continuous casting machine knockout system further comprises a dummy bar storage device, a cross car, a pusher and a knockout roller way which are sequentially arranged from left to right, wherein the pusher is positioned right above the upper inclined section, and can push a casting blank on the casting blank tilting car to the knockout roller way.

The vertical continuous casting machine knockout system further comprises a withdrawal and straightening machine, a vertical fire cutting machine and a casting blank lifter which are sequentially arranged from top to bottom, wherein the casting blank lifter is arranged adjacent to the lower end of the lower inclined section left and right, and the lower inclined section and the upper inclined section are arranged left and right.

The beneficial effects of the invention are as follows:

1. the problem that the casting blank falls easily when the existing casting blank ejection system swings sectionally is solved, the system is stable in operation and convenient to maintain, and compared with the existing ejection system, the casting blank ejection system has the advantages of being low in cost, high in practicality and beneficial to popularization and development of the vertical continuous casting machine.

2. The vertical continuous casting machine knockout system has the advantages of simple structure, reasonable arrangement, more convenient control and adjustment by winch electric drive, low maintenance cost in the future and stable equipment operation. In addition, the device is more beneficial to the installation of the device, the installation difficulty of the device is reduced, and a large amount of cost can be saved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.

Fig. 1 is a schematic view of a tapping system of a vertical continuous casting machine according to the present invention.

Fig. 2 is a schematic view of the auxiliary wheel of the casting blank tilting vehicle on the auxiliary rail.

Fig. 3 is a schematic view showing a casting slab tilting car (in a lower limit position) in an upright state.

Fig. 4 is an enlarged schematic view of the casting slab tilting part in fig. 3.

Fig. 5 is a schematic view showing a casting slab tilting car (at an upper limit position) in a horizontal state.

Fig. 6 is a schematic view of the main track and the sub track in the direction a in fig. 5.

Fig. 7 is a schematic view of a casting slab tilting car.

Fig. 8 is a schematic view of a pusher.

The reference numerals are explained as follows:

1. casting blank tilting vehicle; 2. tipping the vehicle track; 3. tilting car winding device; 4. dummy bar storage device; 5. crossing a vehicle; 6. a pusher; 7. a blank discharging roller way; 8. a withdrawal and straightening machine; 9. a vertical flame cutting machine; 10. a casting blank lifter;

101. a vehicle body; 102. a main wheel; 103. an auxiliary wheel; 104. a roller set; 105. a support bottom; 106. a guide frame; 107. a pull rod; 108. a wire rope;

201. a main track; 202. a secondary track; 203. pulley block;

401. dummy bar winding device;

601. pushing the steel hook head; 602. a pusher drive; 603. a sprocket; 604. a chain;

2011. an upper inclined section; 2012. a lower inclined section;

2021. a blocking seat.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

The utility model provides a vertical continuous casting machine knockout system, includes casting blank tilting car 1, tilting car track 2 and tilting car hoist device 3, and tilting car track 2 contains main track 201 and auxiliary rail 202, and main track 201 is the incline condition, and tilting car hoist device 3 can pull casting blank tilting car 1 and upwards move on main track 201, and when casting blank tilting car 1 moves down the in-process on main track 201, auxiliary rail 202 can guide casting blank tilting car 1 to change to upright state from the incline condition, as shown in fig. 1 to 7.

In this embodiment, two main rails 201 are disposed in parallel and spaced from each other, and the main rails 201 include an upper inclined section 2011 and a lower inclined section 2012 disposed vertically, and an included angle α between the upper inclined section 2011 and a horizontal plane is smaller than an included angle β between the lower inclined section 2012 and the horizontal plane.

In this embodiment, two sub-rails 202 are disposed in parallel and spaced apart from each other, the sub-rails 202 are located at the lower portion of the lower inclined section 2012, the sub-rails 202 are inclined, the sub-rails 202 are located above the lower end of the lower inclined section 2012, two main rails 201 are located between the two sub-rails 202 in the front-rear direction, and both the main rails 201 and the sub-rails 202 are parallel to the paper surface of fig. 1.

In the present embodiment, the included angle γ between the secondary track 202 and the horizontal plane is smaller than the included angle β between the lower inclined section 2012 and the horizontal plane, the upper end of the secondary track 202 corresponds to the lower inclined section 2012, and the lower end of the secondary track 202 is located above the lower inclined section 2012, as shown in fig. 1 to 7.

In this embodiment, the casting slab tilting vehicle 1 can load and transport the casting slab and the dummy bar, the casting slab tilting vehicle 1 includes a vehicle body 101, a main wheel 102 and an auxiliary wheel 103, the main wheel 102 can only travel on the main rail 201, the auxiliary wheel 103 can only travel on the auxiliary rail 202, when the casting slab tilting vehicle 1 is located at the upper tilting section 2011, the vehicle body 101 is in a horizontal state, and the casting slab tilting vehicle 1 is located at the upper limit position. When the casting blank tilting car 1 is located at the lower tilting section 2012, the car body 101 is in a tilted state.

The vehicle body 101 has a rectangular structure, the length direction of the vehicle body 101 is basically the same as the extending direction of the main rail 201, and the vehicle body 101 is provided with a roller set 104, a support base 105, a guide frame 106 and a pull rod 107. When the casting slab tilting car 1 and the car body 101 are in an upright state, the car body 101 is vertical to the horizontal plane. When the casting slab tilting car 1 and the car body 101 are in a horizontal state, the car body 101 is parallel to the horizontal plane. When the slab tilting vehicle 1 and the vehicle body 101 are in an inclined state, the vehicle body 101 is inclined with respect to the horizontal plane as shown in fig. 1 to 7.

The roller set 104 comprises a plurality of rollers, the rollers are arranged at intervals along the length direction of the vehicle body 101, the roller set 104 is provided with accommodating spaces, casting blanks or dummy bars can be placed in the accommodating spaces on the rollers, and the casting blanks or dummy bars can conveniently leave or enter the casting blank tilting vehicle 1. When the support base 105 is fixed on the left side of the vehicle body 101 and the casting blank or dummy bar roller set 104 is arranged, the left end (or lower end) of the casting blank or dummy bar is abutted with the support base 105, and the support base 105 can support the casting blank or dummy bar. The guide frame 106 can guide the strand or dummy bar into the receiving space on the roller set 104. The pull rod 107 is arranged on the right side of the vehicle body 101, the pull rod 107 can rotate to adapt to different inclination angles of the vehicle body 101 in the ascending or descending process, and the pull rod 107 is connected with the tipping vehicle hoisting device 3 through a steel wire rope 108.

In the present embodiment, two pairs of main wheels 102 are provided on the left and right sides below the vehicle body 101, and a pair of sub wheels 103 are provided on the right side below the vehicle body 101, that is, four main wheels 102 and two sub wheels 103 are shared below the vehicle body 101, the distance from one pair of sub wheels 103 to the right end of the vehicle body 101 is smaller than the distance from one pair of sub wheels 103 to the left end of the vehicle body 101, and the pair of main wheels 102 on the right side are located between the pair of sub wheels 103 in the front-rear direction.

Specifically, the pair of main wheels 102 includes two main wheels 102 disposed in front and rear, the pair of sub wheels 103 includes two sub wheels 103 disposed in front and rear, and the pair of sub wheels 103 and the pair of main wheels 102 on the right side may share one wheel axis, or the front side sub wheel 103 and the front side main wheel 102 on the right side share one wheel axis, and the rear side sub wheel 103 and the rear side main wheel 102 on the right side share one wheel axis.

When the casting blank tilting vehicle 1 moves downwards from the upper part of the main rail 201, the tilting vehicle winding device 3 releases the steel wire rope, the two pairs of main wheels 102 are in contact with the main rail 201, the two pairs of main wheels 102 walk downwards on the main rail 201, the pair of auxiliary wheels 103 cannot be in contact with the main rail 201 and the auxiliary rail 202 until the pair of auxiliary wheels 103 walk to the upper end of the auxiliary rail 202, after the pair of auxiliary wheels 103 move to the upper end of the auxiliary rail 202, the auxiliary wheels 103 can walk downwards on the auxiliary rail 202, the pair of main wheels 102 on the right side can be separated from the main rail 201, the pair of main wheels 102 on the left side cannot be separated from the main rail 201, and the included angle between the vehicle body 101 and the horizontal plane can be gradually increased, as shown in fig. 1 to 7.

The lower end of the auxiliary rail 202 is provided with a blocking seat 2021, the blocking seat 2021 can block the auxiliary wheel 103 from continuously moving downwards, when the auxiliary wheel 103 contacts with the blocking seat 2021, the casting blank tilting vehicle 1 is positioned at a lower limit position, the vehicle body 101 is in an upright state, and the pair of main wheels 102 on the left side are separated from the main rail 201. The upper part of the main rail 201 is provided with a pulley block 203, and the wire rope 108 bypasses the pulley block 203.

The tilting vehicle winding device 3 is located below the upper end of the main rail 201, and the tilting vehicle winding device 3 includes a motor driving device, a brake, a decelerator, a coupling, and a winding drum which are sequentially connected. The motor driving device provides a power source, and controls the pulling speed of the casting blank tilting vehicle 1 through electric driving, so that the debugging is simple and reliable. The brake can stop the equipment at any position of the rail to protect the equipment of the whole knockout system. The speed reducer converts the high-speed output of the motor into low-speed high-torque output through the speed reducer, so that the load is pulled. The coupling connects the output shaft of the speed reducer and the input shaft of the winding drum. The winding drum winds the steel wire rope, and the lifting and lowering of the casting blank tilting car 1 can be controlled by forward and reverse rotation of the winding drum, as shown in fig. 1.

In this embodiment, the tapping system of the vertical continuous casting machine further includes a dummy bar storage device 4, a cross car 5, a pusher 6 and a tapping roller way 7, which are sequentially arranged from left to right, wherein the upper portion of the dummy bar storage device 4 includes a dummy bar winding device 401, the pusher 6 is located right above the upper inclined section 2011, and the pusher 6 can push the casting blank on the casting blank tilting car 1 onto the tapping roller way 7.

The structure of the straddle carrier 5 is substantially the same as that of the knockout roll table 7, and the straddle carrier 5 includes a plurality of transfer rolls provided to move from left to right. Pusher 6 contains pusher hook 601, pusher drive 602, sprocket 603, chain 604 and idler rollers, as shown in fig. 8. The steel pushing hook 601 can push the casting blank from the casting blank tilting car 1 to the casting blank upper ejection roller way through the hook. The pusher driving device 602 can drive the pusher chain 604 and the pusher hook 601 on the chain to move left and right. The sprocket 603 converts the rotational motion of the driving device into a traversing motion to drive the push steel hook 601 to move left and right. The chain 604 moves with the steel pushing hook head 601 and is mainly connected with the driving mechanism and the executing mechanism. The carrier roller can stabilize the drag chain walking, guarantee equipment operation stability and smoothness.

In this embodiment, the vertical continuous casting machine knockout system further includes a withdrawal and straightening machine 8, a vertical fire-cutting machine 9 and a casting blank lifter 10, which are sequentially disposed from top to bottom, the withdrawal and straightening machine 8 is located below a crystallizer of the vertical continuous casting machine, the casting blank lifter 10 is disposed adjacent to the lower end of the lower inclined section 2012 from left to right, and the lower inclined section 2012 is disposed adjacent to the upper inclined section 2011 from left to right, as shown in fig. 1.

In the embodiment, the casting blank tilting vehicle 1 is used for conveying the casting blank produced by the vertical machine from the bottom of the deep foundation pit to the zero-meter plane and achieving the purpose of conveying the dummy bar at the bottom of the deep foundation pit, and the tilting vehicle can be used for conveying the casting blank and conveying the dummy bar. The tipping car track 2 can convey the casting blank tipping car 1 to the bottom in a deep foundation pit from a horizontal zero-meter plane position through the track, and meanwhile, the casting blank tipping car 1 is converted into an upright state from a horizontal state, so that the casting blank produced in the vertical continuous casting machine can smoothly enter the casting blank tipping car 1, and the casting blank is conveyed to a blank ejection roller way 7 on the zero-meter plane.

In this embodiment, the pusher 6 can push the dummy bar or the continuous casting blank on the casting blank tilting cart 1 onto the blank ejection roller way 7, and the continuous casting blank can be conveyed to a position required by a process through rotation of the blank ejection roller way 7. The dummy bar can be matched with the crane through the lifting appliance and the crane, and is placed on the cross-car 5, so that the dummy bar is conveyed to a casting span of a steelmaking workshop through the cross-car 5. The bridge crane 5 is used for conveying the dummy bar to a casting bridge of a steelmaking workshop, and the dummy bar is placed on the dummy bar storage device 4 through the cooperation of the lifting appliance and the crown block. The dummy bar storage device 4 is used for storing the dummy bars, and the dummy bar winding device 401 rotates the dummy bars from a horizontal position to an upright position by winding the reels and the wire ropes, so as to prepare for loading the dummy bars on the vertical continuous casting machine. The cast slab lifter 10 can realize the ascending or descending motion of the cast slab or dummy bar in the withdrawal and straightening machine and the vertical fire cutting machine. The vertical flame cutter 9 is capable of cutting a cast slab, separating the cast slab from a dummy bar, or cutting the cast slab to a fixed length.

The working process of the vertical continuous casting machine blank discharging system is as follows.

And (3) loading dummy bars:

when the mode of loading the dummy bar is realized, the dummy bar placed on the dummy bar storage device 4 is conveyed to the upper opening of the crystallizer through a hoist mounted on a cross beam of a factory building, the dummy bar is in an upright state, and the dummy bar is slowly conveyed into the crystallizer from the upper opening of the crystallizer from top to bottom, so that the preparation is made for the production of the vertical continuous casting machine.

The withdrawal and straightening machine 8 of the vertical continuous casting machine gradually moves towards the deep foundation pit of the vertical continuous casting machine by controlling the roll gap and clamping the dummy bar, when the vertical continuous casting machine 9 is moved, the dummy bar and a casting blank are required to be separated through the vertical fire cutting machine 9, at the moment, the casting blank tilting car 1 is positioned at a lower limit position, the dummy bar is placed on the casting blank tilting car 1 waiting in the deep foundation pit by the casting blank lifter 10, the tilting car winding device 3 winds the steel wire rope 108, and the casting blank tilting car 1 and the dummy bar placed on the tilting car track 2 are pulled up until the casting blank tilting car 1 is positioned at an upper limit position. At this time, the casting blank tilting carriage 1 is located below the pusher 6, and the pushing hook 601 of the pusher 6 moves rightward, driving the dummy bar to move onto the knockout roller table 7. Then placing the dummy bar on the cross-over carriage 5 through the crown block, preventing the dummy bar from being placed on the dummy bar storage device 4 through the crown block of the casting cross, and pulling the dummy bar from a horizontal state to an upright state through controlling the dummy bar hoisting device 401 so as to be loaded with the dummy bar again when preparing for subsequent production.

Process for downward feeding dummy bar

The mode of the lower dummy bar is the reverse operation of the upper dummy bar. The dummy bar is stored into a horizontal state by controlling a crown block and a dummy bar winding device 401, then the dummy bar is placed on a cross-over block 5 by the crown block, transported to a blank discharging span of a continuous casting machine factory, then the dummy bar is placed on a blank discharging roller table 7 by the crown block, a motor of the blank discharging roller table 7 is driven by a control system so that a roller rotates against a casting flow direction, at the moment, a blank pouring truck 1 is positioned at an upper limit position, the dummy bar is sent to the horizontally placed blank pouring truck 1, then a steel wire rope 108 is discharged by controlling the tilting truck winding device 3 by the control system, the blank pouring truck 1 with the dummy bar is placed into a deep foundation pit from a horizontal zero meter, the blank pouring truck 1 is in an upright state, the blank pouring truck 1 is positioned at a lower limit position, the dummy bar is moved upwards into a withdrawal and straightening machine 8 by controlling the depressing force of the withdrawal and the dummy bar is driven to move up to a lower port position of a crystallizer by controlling the withdrawal and straightening machine 8. So far, the action of the lower dummy bar is completed.

Vertical machine blank ejection process

After the vertical continuous casting machine finishes the action of installing the dummy bar, the dummy bar pulls the steel blank through controlling the withdrawal and straightening machine 8, the steel blank gradually passes through the crystallizer and the withdrawal and straightening machine 8 to reach the vertical fire cutting machine 9 according to a certain withdrawal speed, the steel blank is cut according to a certain fixed length, the vertical fire cutting machine 9 cuts the steel blank, meanwhile, the bracket of the steel blank lifter 10 drags the steel blank, after the vertical fire cutting machine 9 cuts the steel blank, the steel blank lifter 10 guides the steel blank into the steel blank tilting vehicle 1 through controlling the bracket, at the moment, the steel blank tilting vehicle 1 is in an upright state, and the steel blank tilting vehicle 1 is positioned at a lower limit position. The steel wire rope 108 is wound by the tilting car winding device 3, the casting blank tilting car 1 moves upwards to convey the casting blank to a horizontal zero-meter position, and at the moment, the casting blank tilting car 1 is positioned at an upper limit position. The steel pusher 6 pushes the casting blank from the casting blank tilting carriage 1 to the casting blank ejection roller way 7 through the steel pushing hook 601, the casting blank ejection operation is completed, and then the casting blank tilting carriage 1 repeatedly acts to continuously and rapidly convey the casting blank.

In addition, for the convenience of understanding and description, the present invention is expressed by an absolute positional relationship, in which the azimuth term "upper" indicates the upper direction in fig. 1, the azimuth term "lower" indicates the lower direction in fig. 1, the azimuth term "left" indicates the left direction in fig. 1, the azimuth term "right" indicates the right direction in fig. 1, the azimuth term "front" indicates the direction perpendicular to the paper surface of fig. 1 and directed to the inside of the paper surface, and the azimuth term "rear" indicates the direction perpendicular to the paper surface of fig. 1 and directed to the outside of the paper surface, unless otherwise specified. The invention is described using the reader's perspective view, but the above directional terms are not to be interpreted or interpreted as limiting the scope of the invention.

The foregoing description of the embodiments of the invention is not intended to limit the scope of the invention, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the invention shall fall within the scope of the patent. In addition, the technical features and technical features, technical features and technical scheme, technical scheme and technical scheme, and embodiments of the invention can be freely combined for use.

Claims (10)

1. The utility model provides a vertical continuous casting machine knockout system, its characterized in that, vertical continuous casting machine knockout system includes casting blank tipping car (1), tipping car track (2) and tipping car hoist device (3), and tipping car track (2) contain main track (201) and auxiliary rail (202), and main track (201) are incline state, and tipping car hoist device (3) can pull casting blank tipping car (1) upward movement on main track (201), and in-process that casting blank tipping car (1) moved down on main track (201), auxiliary rail (202) can guide casting blank tipping car (1) to change to upright state by incline state.

2. The vertical caster bloom system as claimed in claim 1, characterized in that the main rail (201) comprises an upper inclined section (2011) and a lower inclined section (2012) arranged up and down, the angle between the upper inclined section (2011) and the horizontal plane being smaller than the angle between the lower inclined section (2012) and the horizontal plane.

3. The vertical caster tapping system according to claim 2, wherein the secondary rail (202) is located at the lower portion of the lower inclined section (2012), and wherein the two primary rails (201) are located between the two secondary rails (202), the secondary rails (202) being inclined.

4. A vertical caster bloom system as claimed in claim 3, characterized in that the angle between the secondary track (202) and the horizontal plane is smaller than the angle between the lower inclined section (2012) and the horizontal plane, the upper end of the secondary track (202) corresponding to the lower inclined section (2012), the lower end of the secondary track (202) being located above the lower inclined section (2012).

5. The vertical caster tapping system according to claim 4, wherein the casting blank tilting vehicle (1) comprises a vehicle body (101), a main wheel (102) and an auxiliary wheel (103), the main wheel (102) can travel only on the main rail (201), the auxiliary wheel (103) can travel only on the auxiliary rail (202), and the vehicle body (101) is in a horizontal state when the casting blank tilting vehicle (1) is located at the upper tilting section (2011).

6. The vertical caster tapping system according to claim 5, wherein two pairs of main wheels (102) are provided on both right and left sides below the vehicle body (101), a distance from a pair of sub wheels (103) to the right end of the vehicle body (101) is smaller than a distance from a pair of sub wheels (103) to the left end of the vehicle body (101), and the pair of main wheels (102) on the right side is located between the pair of sub wheels (103).

7. The vertical continuous casting machine tapping system according to claim 6, wherein when the casting slab tilting carriage (1) moves downward from the upper portion of the main rail (201), after the pair of sub wheels (103) move to the upper end of the sub rail (202), the sub wheels (103) can travel on the sub rail (202), the pair of main wheels (102) on the right can be separated from the main rail (201), and the angle between the vehicle body (101) and the horizontal plane can be gradually increased.

8. The vertical caster tapping system according to claim 7, wherein a stopper seat (2021) is provided at a lower end of the sub rail (202), the stopper seat (2021) being capable of stopping the sub wheel (103) from continuing to move downward, the vehicle body (101) being in an upright state when the sub wheel (103) is in contact with the stopper seat (2021), and the pair of main wheels (102) on the left side being disengaged from the main rail (201).

9. The vertical continuous caster tapping system according to claim 2, further comprising a dummy bar storage device (4), a cross car (5), a pusher (6) and a tapping roller way (7) which are arranged in sequence from left to right, wherein the pusher (6) is located right above the upper inclined section (2011), and the pusher (6) can push a casting blank on the casting blank tilting car (1) onto the tapping roller way (7).

10. The vertical continuous caster tapping system according to claim 2, further comprising a withdrawal and straightening machine (8), a vertical flame cutter (9) and a casting block lifter (10) which are sequentially arranged from top to bottom, wherein the casting block lifter (10) is arranged adjacent to the lower end of the lower inclined section (2012) from left to right, and the lower inclined section (2012) is arranged adjacent to the upper inclined section (2011) from left to right.