阅读说明：本技术 浇钢车装置及浇钢操作方法 (Steel casting vehicle device and steel casting operation method ) 是由 孙云鹏 罗以超 王福海 吴秋廷 杨飞 苟志远 甘秀群 黄祥润 蒋昭祎 周中艳 周 于 2021-08-10 设计创作，主要内容包括：本发明涉及火法冶金生产装备领域,尤其是一种仅需一套浇钢车装置即可完成车铸线和坑铸线浇铸,从而提高浇钢设备利用率的浇钢车装置及浇钢操作方法,包括底部设置有浇口的钢水吊包,包括横移装置和设置于横移装置上的升降装置,所述钢水吊包设置于升降装置上,所述横移装置设置于行走传动装置上,其中,横移装置的移动方向与行走传动装置的移动方向互相垂直。在实际操作时,由于可以通过升降装置、横移装置以及升降装置的配合操作,实现对钢水吊包高度的调节,适应坑铸线和车铸线不同的浇铸高度要求,从而仅需一套浇钢车装置即可完成车铸线和坑铸线浇铸,从而提高浇钢设备利用率。本发明尤其适用于同时需要对坑铸线和车铸线进行浇钢操作的场合。(The invention relates to the field of pyrometallurgical production equipment, in particular to a steel casting trolley device and a steel casting operation method, which can finish casting of a trolley casting line and a pit casting line only by one set of steel casting trolley device so as to improve the utilization rate of steel casting equipment. In actual operation, the height of the molten steel ladle can be adjusted through the matching operation of the lifting device, the transverse moving device and the lifting device, so that different casting height requirements of the pit casting line and the turning casting line are met, the turning casting line and the pit casting line can be cast by only one set of steel pouring trolley device, and the utilization rate of steel pouring equipment is improved. The invention is particularly suitable for occasions needing to carry out steel casting operation on the pit casting line and the turning casting line at the same time.)

1. The steel pouring vehicle device comprises a molten steel ladle (4) with a pouring gate arranged at the bottom, and is characterized in that: the device comprises a transverse moving device (8) and a lifting device (7) arranged on the transverse moving device (8), wherein the molten steel ladle (4) is arranged on the lifting device (7), the transverse moving device (8) is arranged on a walking transmission device (3), and the moving direction of the transverse moving device (8) is perpendicular to that of the walking transmission device (3).

2. A ladle car apparatus as claimed in claim 1, wherein: the device comprises a middle injection pipe (2), wherein the middle injection pipe (2) is arranged below a pouring gate of a molten steel ladle (4).

3. A ladle car apparatus as claimed in claim 2, wherein: the central injection pipe (2) is arranged on the central injection pipe pulley driving device.

4. A ladle car assembly as claimed in claim 1, 2 or 3 wherein: the bottom of the walking transmission device (3) comprises wheel sets on the left side and the right side, wherein the horizontal plane of the wheel set on the left side and the horizontal plane of the wheel set on the right side are respectively arranged at different heights.

5. A steel casting vehicle apparatus as claimed in claim 4, wherein: wheel group brakes are arranged at the wheel groups.

6. A ladle car assembly as claimed in claim 1, 2 or 3 wherein: the device comprises a hydraulic system (1), wherein the hydraulic system (1) is communicated with a traversing device (8), a lifting device (7) and a ladle sliding water port of a molten steel ladle (4).

7. A ladle car assembly as claimed in claim 1, 2 or 3 wherein: comprises a weighing system, and the weighing system is connected with a molten steel ladle (4).

8. A ladle car assembly as claimed in claim 1, 2 or 3 wherein: the lifting stroke of the lifting device (7) is at least 1350 mm.

9. A casting operation method using a casting car device according to claim 1, comprising a pit line (5) and a car line (6), characterized in that: when the lifting device (7) is at the lowest point of the stroke, the molten steel ladle (4) performs steel casting operation on the pit casting line (5); when the lifting device (7) is at the highest point of the stroke, the molten steel ladle (4) performs steel casting operation on the vehicle casting line (6).

10. A steel casting operation method as claimed in claim 9 using the steel casting car apparatus as claimed in claim 1, characterized in that: the pouring head of the molten steel ladle (4) is aligned with the middle injection pipe (2), position memory is carried out, then the molten steel ladle (4) is opened to one side to carry out ladle opening and drainage sand releasing operation, and after the ladle opening and drainage sand releasing operation is finished, the molten steel ladle (4) returns to the position memory to carry out formal casting operation.

Technical Field

The invention relates to the field of pyrometallurgical production equipment, in particular to a steel casting vehicle device and a steel casting operation method.

Background

When the existing car casting line and pit casting line are actually used for casting steel, 2 automatic steel casting cars which independently run are needed in actual production due to different casting heights and casting positions. This has just increased operating personnel's intensity of labour greatly, also let equipment cost increase by a wide margin simultaneously, in addition, also can lead to automatic steel equipment of watering's accuracy and reliability to obtain guaranteeing hardly.

Disclosure of Invention

The invention aims to solve the technical problem of providing a steel casting vehicle device and a steel casting operation method, which can finish casting of a vehicle casting line and a pit casting line by only one set of steel casting vehicle device, thereby improving the utilization rate of steel casting equipment.

The technical scheme adopted by the invention for solving the technical problems is as follows: the steel pouring trolley device comprises a molten steel ladle with a pouring gate at the bottom, a traversing device and a lifting device arranged on the traversing device, wherein the molten steel ladle is arranged on the lifting device, the traversing device is arranged on a walking transmission device, and the moving direction of the traversing device is perpendicular to that of the walking transmission device.

Further, the device comprises a middle injection pipe, wherein the middle injection pipe is arranged below a pouring gate of the molten steel ladle.

Further, the central injection pipe is arranged on a central injection pipe pulley driving device.

Furthermore, the bottom of the walking transmission device comprises wheel sets on the left side and the right side, wherein the horizontal plane of the wheel set on the left side and the horizontal plane of the wheel set on the right side are respectively arranged at different heights.

Furthermore, wheel set brakes are arranged at the wheel sets.

And the hydraulic system is communicated with the transverse moving device, the lifting device and a ladle sliding water port of the molten steel ladle.

Further, the device comprises a weighing system, and the weighing system is connected with the molten steel ladle.

Further, the lifting stroke of the lifting device is at least 1350 mm.

Further, the steel casting operation method comprises a pit casting line and a car casting line, and when the lifting device is at the lowest point of the stroke, the molten steel ladle performs steel casting operation on the pit casting line; and when the lifting device is positioned at the highest point of the stroke, the molten steel ladle carries out steel casting operation on the car casting line.

The method is characterized by further comprising a middle injection pipe, after a pouring gate of the molten steel ladle is aligned with the middle injection pipe, position memory is carried out, then the molten steel ladle is opened to one side for ladle opening and drainage sand releasing operation, and after the ladle opening and drainage sand releasing operation is finished, the molten steel ladle returns to the position memory for formal casting operation.

The invention has the beneficial effects that: in actual operation, the height of the molten steel ladle can be adjusted through the matching operation of the lifting device, the transverse moving device and the lifting device, so that different casting height requirements of the pit casting line and the car casting line are met, the car casting line and the pit casting line can be cast by only one set of steel pouring car device, and the utilization rate of steel pouring equipment is improved. The invention is particularly suitable for occasions needing to carry out steel casting operation on the pit casting line and the turning casting line at the same time.

Drawings

FIG. 1 is a schematic view of a ladle according to the present invention at the lowest position.

FIG. 2 is a schematic view of the ladle of the present invention at the lowest position, i.e., casting in a pit line.

FIG. 3 is a schematic view of the ladle at the highest position, i.e., the casting line casting position.

Labeled as: the device comprises a hydraulic system 1, a middle injection pipe 2, a traveling transmission device 3, a molten steel ladle 4, a pit casting line 5, a car casting line 6, a lifting device 7 and a transverse moving device 8.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

The ladle car device as shown in fig. 1, 2 and 3 comprises a molten steel ladle 4 with a pouring gate at the bottom, and a traverse device 8 and a lifting device 7 arranged on the traverse device 8, wherein the molten steel ladle 4 is arranged on the lifting device 7, the traverse device 8 is arranged on a walking transmission device 3, and the moving direction of the traverse device 8 is perpendicular to the moving direction of the walking transmission device 3.

For a car casting line, the molten steel ladle 4 of the automatic steel casting car can realize fixed safe steel casting, eliminate the operation of full ladle molten steel ladle casting of a travelling crane, and avoid catastrophic safety risks of hook slipping, ladle dropping and the like in the long-time full ladle molten steel ladle casting. For the pit casting line, the molten steel ladle 4 of the automatic steel casting vehicle can avoid the safety risk of pouring gate operators, reduce the safety skill requirement of operators, realize safe standard operation and completely avoid the safety risk caused by ladle shaking and manual misoperation in the steel casting process. However, the conventional solution cannot realize the casting of the pit line and the trolley line by one ladle 4. In the application, the displacement cooperation of the transverse moving device 8, the lifting device 7 and the walking transmission device 3 can realize the reasonable adjustment of the height of the molten steel ladle 4, so that the casting height requirements of the pit casting line 5 or the turning casting line 6 are smoothly matched. Namely, when the lifting device 7 is at the lowest point of the stroke, the molten steel ladle 4 carries out the steel casting operation on the pit casting line 5; when the lifting device 7 is at the highest point of the stroke, the molten steel ladle 4 carries out steel casting operation on the casting line 6. In actual operation, the traveling speed range of the steel casting vehicle is preferably 3-20m/min, the lifting speed and the transverse moving speed range of the molten steel ladle 4 are about 15mm/s, and the lifting stroke of the lifting device 7 is preferably at least 1350 mm. The main structural members of the frame, the connecting beam, the tank seat and the like for supporting each device are preferably welded by steel plates, mainly structural steel plates are welded by Q345-B, and box beam welded structures are adopted. The structural members should be able to withstand a seat tank impact load of 1.5 times the load.

In order to be matched with a pouring gate at the bottom of the molten steel ladle 4, the pouring head device preferably comprises a pouring pipe 2, and the pouring pipe 2 is arranged below the pouring gate of the molten steel ladle 4. In actual operation, after the steel ladle is centered on the pouring pipe 2 on the steel pouring vehicle, position memory is carried out, then the vehicle is driven to one side for ladle opening and drainage sand releasing operation, and after the ladle opening and drainage sand releasing operation is finished, the steel pouring vehicle automatically returns to the position where centering is started to the pouring pipe 2 for formal casting operation. Meanwhile, a plurality of positions can be memorized, and the steel pouring vehicle can automatically address the second ingot mould to perform the pouring operation after the first ingot mould is poured. In actual use, it is preferable that the center pipe 2 is provided on a center pipe pulley driving device for flexible movement of the position of the center pipe 2.

In order to improve the ability of the walking transmission device 3 to adapt to various conveying environments, the bottom of the walking transmission device 3 preferably includes wheel sets on the left and right sides, wherein the horizontal plane of the wheel set on the left side and the horizontal plane of the wheel set on the right side are respectively arranged at different heights. The walking transmission device 3 is preferably a dispersive transmission system, consists of a three-in-one motor reducer and a wheel set, and has simple and compact structure and convenient disassembly, assembly and maintenance. The speed reducer is a hard tooth surface speed reducer and has strong bearing capacity. The motor is provided with a disc brake, so that the braking is reliable and the service life is long. In order to realize timely braking, wheel set brakes are preferably arranged at the wheel sets. The wheel set comprises wheels, bearing seats, wheel shafts and the like, a double-row tapered roller bearing is arranged in the wheel set, the wheels are made of 42CrMo, the wheels are integrally subjected to quenching and tempering, treads are quenched, the axles are 40Cr, and the quenching and tempering treatment meets the bearing requirements.

In order to drive each component, the hydraulic system 1 is preferably included, and the hydraulic system 1 is communicated with the traversing device 8, the lifting device 7 and the ladle sliding water port of the molten steel ladle 4. The hydraulic station is arranged on the vehicle, and the hydraulic drive realizes the transverse moving function and the lifting function of the ladle and the opening and closing control function of the ladle sliding nozzle. The lift cylinders are provided with built-in displacement sensors and proportional valves to form closed-loop control, so that the synchronization requirements of the four lift cylinders are met. The overall dimension and the installation dimension of the sliding nozzle oil cylinder matched with the steel pouring vehicle must meet the drawing requirements provided by users, and the installation of the sliding nozzle mechanism on site is ensured. The hydraulic system is provided with an energy accumulator to meet the requirement of the reciprocating secondary work of the sliding water gap oil cylinder. The tubing is stainless steel tubing. The length of the hose of the oil cylinder of the sliding water gap meets the use requirement. Preferably, the hydraulic system is provided with a set of standby hydraulic pump and motor. The manual oil pump is arranged, so that the condition that the sliding water gap cannot be normally opened and closed due to power failure or damage of a hydraulic system valve in the casting operation process is met, and the manual oil pump is manually operated to continuously finish the opening and closing actions of the sliding water gap so as to finish the casting operation.

In order to achieve an accurate detection of the casting quantity, a weighing system is preferably included, which is connected to the ladle 4. Comprises a weighing system, and the weighing system is connected with a molten steel ladle 4. The weighing system mainly comprises a weighing sensor, a junction box, a transmitter, a large-screen display screen, accessories and the like, wherein the weighing system adopts a high-temperature-resistant sensor and adopts wired transmission, the precision of the weighing system is not lower than 0.3 percent, and the automatic steel casting control requirement can be met.