Molten steel refining and tipping device

Abstract

The utility model provides a molten steel refining tipping device. The molten steel refining tipping device comprises a vehicle body, a tipping assembly, a transmission assembly, a hydraulic system and a limiting assembly, a driving wheel set and a driven wheel set are arranged below the vehicle body and are both arranged in a preset track; the tipping assembly is arranged on the vehicle body; the tipping assembly is hinged to the vehicle body and used for driving a steel ladle placed on the tipping assembly to turn over with the hinge point as the circle center. The transmission assembly is arranged at the first end in the vehicle body in the length direction and connected with the driving wheel set. The hydraulic system is connected with the transmission assembly; a hydraulic cylinder of the hydraulic system is provided with an oil return valve; the limiting assembly is arranged at a preset position on the vehicle body and used for limiting the tipping assembly. The problems that in molten steel refining in the prior art, partial pouring of molten steel and secondary refining of remaining molten steel cannot be carried out are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of molten steel refining furnaces, in particular to a molten steel refining tilting device. Background Art

[0002] In the steelmaking process, the refining of molten steel is a key step in improving the quality of steel. The traditional refining method is often to refine all the molten steel at once and then dump it, which is not possible to refine the molten steel in batches. This method not only wastes energy, but also makes it difficult to meet the requirements of different processes for molten steel quality. Therefore, designing a device that can partially dump the refined molten steel and perform secondary refining on the remaining molten steel is of great significance to improving steel quality and production efficiency. Utility Model Content

[0003] The main purpose of the utility model is to provide a molten steel refining tilting device to at least solve the problem that the molten steel refining in the prior art cannot partially dump the molten steel and perform secondary refining of the remaining molten steel.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a molten steel refining tilting device, including: a car body, a tilting assembly, a transmission assembly, a hydraulic system and a limit assembly; a driving wheel group and a driven wheel group are arranged under the car body, and the driving wheel group and the driven wheel group are both arranged in a preset track; the tilting assembly is arranged on the car body; the tilting assembly is hinged to the car body, and the tilting assembly is used to drive the molten steel ladle placed on the tilting assembly to flip with the hinge point as the center of the circle; the transmission assembly is arranged at the first end of the car body along the length direction and is connected to the driving wheel group; the hydraulic system is connected to the transmission assembly, and the hydraulic cylinder of the hydraulic system is provided with an oil return valve; the limit assembly is arranged at a preset position on the car body, and the limit assembly is used to limit the tilting assembly.

[0005] Furthermore, the molten steel refining tilting device also includes: a drag chain, a track cleaning assembly and a buffer assembly; the drag chain is arranged on one side of the vehicle body along the width direction, and the drag chain is connected to the hydraulic system and the external power supply; the track cleaning assembly is arranged at the bottom of both side surfaces of the vehicle body along the length direction, and the track cleaning assembly is used to push and clean obstacles within the preset track; the buffer assembly is arranged on the first side surface of the vehicle body along the length direction.

[0006] Furthermore, the tilting assembly includes: a tilting frame, a tilting cylinder and a ladle seat; the tilting frame is arranged on the vehicle body, and the tilting frame is provided with a rotating ear shaft and a cross beam to be hinged with the vehicle body; there are multiple tilting cylinders, and the piston rods of the multiple tilting cylinders are respectively connected to the side of the tilting frame to drive the tilting frame to tilt with the hinge point as the center of the circle; the ladle seat is arranged on the cross beam of the tilting frame, and a discharge port is provided on the side of the ladle seat.

[0007] Furthermore, the tilting cylinder adopts a double-acting piston cylinder.

[0008] Furthermore, the transmission assembly includes an installed motor, a reducer, a coupling and a brake. After the installed motor is directly connected to the reducer, it is connected to the driving wheel through the coupling.

[0009] Furthermore, the reducer adopts a double-output shaft gear reducer, and the coupling adopts a universal coupling.

[0010] Furthermore, the limit assembly adopts a travel switch.

[0011] The utility model discloses a molten steel refining tilting device, comprising: a vehicle body, a tilting assembly, a transmission assembly, a hydraulic system and a limit assembly; a driving wheel group and a driven wheel group are arranged below the vehicle body, and the driving wheel group and the driven wheel group are arranged in a preset track; the tilting assembly is arranged on the vehicle body; the tilting assembly is hinged to the vehicle body, and the tilting assembly is used to drive the molten steel ladle placed on the tilting assembly to flip with the hinge point as the center of the circle; the transmission assembly is arranged at the first end along the length direction of the vehicle body and is connected to the driving wheel group; the hydraulic system is connected to the transmission assembly, and the hydraulic cylinder of the hydraulic system is provided with an oil return valve; the limit assembly is arranged at a preset position on the vehicle body, and the limit assembly is used to limit the tilting assembly.

[0012] The beneficial effects of the utility model are:

[0013] 1. Design of the tipping assembly: The tipping assembly adopts a rotary design, which can realize partial dumping of molten steel.

[0014] 2. Setting of limit assembly: The limit assembly is used to control the maximum rotation angle of the tilting frame to prevent the molten steel from completely dumping. During the tipping process, when the tilting frame rotates to the preset maximum angle, the limit assembly will be triggered and the hydraulic system will stop running, thereby ensuring that the molten steel will not be completely dumped. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 It is a structural schematic diagram of a molten steel refining tilting device that can be selected according to an embodiment of the utility model;

[0017] Figure 2 It is a side view of a molten steel refining tilting device that can be selected according to an embodiment of the utility model;

[0018] Figure 3 It is a top view of a molten steel refining tilting device that can be selected according to an embodiment of the utility model;

[0019] Figure 4This is a schematic diagram of the tilting state structure of a molten steel refining tilting device that can be selected according to an embodiment of the utility model;

[0020] Figure 5 It is a structural schematic diagram of a transmission component of a molten steel refining tilting device that can be selected according to an embodiment of the utility model.

[0021] The above drawings include the following reference numerals:

[0022] 10. Car body; 11. Driving wheel set; 12. Driven wheel set; 20. Tilt assembly; 21. Tilt frame; 22. Tilt cylinder; 23. Ladle seat; 30. Transmission assembly; 31. Install motor; 32. Reducer; 33. Coupling; 34. Brake; 40. Limit assembly; 50. Drag chain; 60. Track cleaning assembly; 70. Buffer assembly. DETAILED DESCRIPTION

[0023] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0024] The utility model provides a molten steel refining tilting device, such as Figure 1 , Figure 2 as well as Figure 3 As shown, it includes: a car body 10, a tilting assembly 20, a transmission assembly 30, a hydraulic system and a limit assembly 40; a driving wheel group 11 and a driven wheel group 12 are arranged below the car body 10, and the driving wheel group 11 and the driven wheel group 12 are arranged in a preset track; the tilting assembly 20 is arranged on the car body 10; the tilting assembly 20 is hinged with the car body 10, and the tilting assembly 20 is used to drive the molten steel ladle placed on the tilting assembly 20 to flip with the hinge point as the center of the circle; the transmission assembly 30 is arranged at the first end along the length direction of the car body 10 and connected to the driving wheel group 11; the hydraulic system is connected to the transmission assembly 30, and the hydraulic cylinder of the hydraulic system is provided with an oil return valve; the limit assembly 40 is arranged at a preset position on the car body 10, and the limit assembly 40 is used to limit the tilting assembly 20. The technical specifications of the molten steel refining tilting device are shown in Table 1.

[0025] Table 1

[0026] Walking speed m / min 2-15 Positioning accuracy mm ±10 Rated load capacity t 40 Drive mode Mechanical AC variable frequency speed regulation Tipping angle ° 50 Max:55° Cylinder bore mm ￠180

[0027] Preferably, a return oil valve is provided in the hydraulic cylinder to control the return direction of the hydraulic oil, ensure stable operation of the system, prevent the entry of external impurities, provide safety protection and adjust the flow rate. After the hydraulic system drives the tilting assembly 20 to reach a preset angle, the hydraulic valve will guide the hydraulic oil back to the oil tank to avoid accidents caused by excessive tilting of the tilting assembly 20 into the ladle.

[0028] Preferably, the surface of the vehicle body 10 is laid with fireproof bricks and is provided with a counterweight of about 2 tons.

[0029] Furthermore, the molten steel refining tilting device also includes: a drag chain 50, a track cleaning assembly 60 and a buffer assembly 70; the drag chain 50 is arranged on one side of the vehicle body 10 along the width direction, and the drag chain 50 is connected to both the hydraulic system and the external power supply; the track cleaning assembly 60 is arranged at the bottom of both side surfaces of the vehicle body 10 along the length direction, and the track cleaning assembly 60 is used to push and clean obstacles in the preset track; the buffer assembly 70 is arranged on the first side surface of the vehicle body 10 along the length direction. The drag chain 50, i.e., the drag chain cable, is a highly flexible cable that can move back and forth with the chain, and also has the characteristics of oil resistance, acid and alkali resistance, corrosion resistance, high and low temperature resistance, etc. In specific implementation, the drag chain 50 is suspended on the I-beam rail through a number of hanger double rollers.

[0030] Preferably, when the vehicle body 10 moves, the track cleaning assembly 60 arranged at the end of the vehicle body 10 will push the debris in the preset track along the moving direction to ensure that the debris will not affect the normal advancement of the wheels; when the vehicle body 10 is moving too fast and fails to decelerate in time, the buffer assembly 70 of the vehicle body 10 will contact the wall before the vehicle body 10, thereby protecting the vehicle body 10.

[0031] Furthermore, if Figure 4 As shown, the tilting assembly 20 includes: a tilting frame 21, a tilting cylinder 22 and a ladle seat 23; the tilting frame 21 is arranged on the vehicle body 10, and the tilting frame 21 is provided with a rotating trunnion and a cross beam to be hinged with the vehicle body 10; there are multiple tilting cylinders 22, and the piston rods of the multiple tilting cylinders 22 are respectively connected to the side of the tilting frame 21 to drive the tilting frame 21 to tilt with the hinge point as the center of the circle; the ladle seat 23 is arranged on the cross beam of the tilting frame 21, and the side of the ladle seat 23 is provided with a discharge port. In specific implementation, the maximum tilting angle of the tilting frame 21 is 55 degrees.

[0032] Preferably, the manner in which the tipping frame 21 is hinged to the vehicle body 10 includes, but is not limited to, a clamping hinge, a sliding hinge, a snap hinge, a friction hinge, a surface connection, a latch connection and a hinge shaft connection.

[0033] Furthermore, the tilting cylinder 22 is a double-acting piston cylinder.

[0034] Furthermore, if Figure 5 As shown, the transmission assembly 30 includes an installation motor 31, a reducer 32, a coupling 33 and a brake 34. The installation motor 31 is directly connected to the reducer 32 and is connected to the driving wheels through the coupling 33.

[0035] Furthermore, the reducer 32 adopts a double-shaft gear reducer, and the coupling 33 adopts a universal coupling.

[0036] Furthermore, the limit assembly 40 adopts a travel switch.

[0037] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A molten steel refining tilting device, characterized in that: include: A vehicle body (10), wherein a driving wheel set (11) and a driven wheel set (12) are arranged below the vehicle body (10), and the driving wheel set (11) and the driven wheel set (12) are both arranged in a preset track; A tilting assembly (20), the tilting assembly (20) being arranged on the vehicle body (10); the tilting assembly (20) being hinged to the vehicle body (10), the tilting assembly (20) being used to drive a steel ladle placed on the tilting assembly (20) to flip around the hinge point; A transmission assembly (30), the transmission assembly (30) being arranged at a first end along a length direction in the vehicle body (10) and connected to the driving wheel assembly (11); A hydraulic system, the hydraulic system being connected to the transmission assembly (30), the hydraulic cylinder of the hydraulic system being provided with an oil return valve; A position limiting component (40), wherein the position limiting component (40) is arranged at a preset position on the vehicle body (10), and the position limiting component (40) is used to limit the position of the tipping component (20).

2. The molten steel refining tilting device according to claim 1, characterized in that: The molten steel refining tilting device also includes: A drag chain (50), the drag chain (50) being arranged on one side of the vehicle body (10) along the width direction, the drag chain (50) being connected to both the hydraulic system and the external power supply; A track cleaning assembly (60), the track cleaning assembly (60) being arranged at the bottom of two side surfaces of the vehicle body (10) along the length direction, the track cleaning assembly (60) being used to promote cleaning of obstacles within the preset track; A buffer assembly (70) is arranged on a first side surface of the vehicle body (10) along a length direction.

3. The molten steel refining tilting device according to claim 1, characterized in that: The tipping assembly (20) comprises: A tilting frame (21), the tilting frame (21) being arranged on the vehicle body (10), the tilting frame (21) being provided with a rotating ear shaft and a cross beam so as to be hinged with the vehicle body (10); A tilting cylinder (22), wherein the tilting cylinder (22) is multiple, and the piston rods of the multiple tilting cylinders (22) are respectively connected to the side surfaces of the tilting frame (21) to drive the tilting frame (21) to tilt with the hinge point as the center of the circle; A ladle seat (23), wherein the ladle seat (23) is arranged on the cross beam of the tilting frame (21), and a discharge port is arranged on the side of the ladle seat (23).

4. The molten steel refining tilting device according to claim 3, characterized in that: The tilting cylinder (22) is a double-acting piston cylinder.

5. The molten steel refining tilting device according to claim 1, characterized in that: The transmission assembly (30) comprises a mounting motor (31), a reducer (32), a coupling (33) and a brake (34); the mounting motor (31) is directly connected to the reducer (32) and then connected to the driving wheels through the coupling (33).

6. The molten steel refining tilting device according to claim 5, characterized in that: The reducer (32) is a double-shaft gear reducer, and the coupling (33) is a universal coupling.

7. The molten steel refining tilting device according to claim 1, characterized in that: The limit assembly (40) adopts a travel switch.

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