Transfer trolley for steel ladle maintenance

Abstract

The utility model relates to the technical field of steel ladle maintenance, and discloses a transfer trolley for steel ladle maintenance. The transfer trolley for steel ladle maintenance comprises a supporting plate, a connecting block is fixedly installed above the supporting plate, a connecting rod is movably installed above the connecting block, a connecting spring is fixedly installed below the connecting rod, a limiting frame is fixedly installed above the connecting rod, and a bearing block is fixedly installed above the supporting plate. When a steel ladle is put down through a crown block, cylindrical structures on the two sides of the steel ladle are embedded into the upper ends of bearing blocks, the bottom end of the steel ladle makes contact with the bottom end of a connecting rod, the steel ladle can drive the connecting rod to move downwards, the connecting rod rotates and stretches a connecting spring, and a limiting frame at the upper end of the connecting rod can clamp the steel ladle; in this way, the axial direction of the cylindrical structures on the left side and the right side of the steel ladle is parallel to the moving direction of the steel ladle, the limiting frame can limit the position of the steel ladle, and therefore the situation that the steel ladle shakes due to inertia in the moving process is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of ladle maintenance, in particular to a transfer trolley for ladle maintenance. Background Art

[0002] Ladle, also known as steel drum, is a container for holding and transporting molten steel. It consists of a shear shell, refractory inner material, hoisting trunnion and sliding nozzle. The ladle transport equipment is used to return the ladle full of molten steel to the pouring position, and at the same time, return the empty ladle after pouring molten steel to the position for receiving molten steel and preparing to transport it away.

[0003] The existing referenceable Chinese utility model patent with announcement number: CN205673581U discloses an electric ladle transfer device, which relates to the field of steel smelting. It relates to the field of steel smelting, and specifically to an electric ladle transfer device. The utility model includes main beams set up on the left and right sides, a crossbeam connecting the two main beams, a laying steel plate set above the crossbeam, two ladle support frames set on the two main beams, a driving wheel set below the two main beams, a motor fixing frame set below the crossbeam, and a motor set in the motor fixing frame; the upper and lower parts of the main beams are both flat, and an upwardly inclined slope is provided at the lower front driving wheel, and a rectangular notch is provided at the lower rear driving wheel. The utility model runs smoothly, saves time, reduces the tapping temperature of molten steel in the converter and the process temperature drop, and has a good energy-saving and consumption-reducing effect; in the process of transporting the freshly exploded steel, the system presets a program for full-automatic operation, which saves manpower and material resources.

[0004] The existing ladle transfer trolley generally supports the ladle by means of columnar structures on both sides of the ladle. In this way, the ladle may shake due to inertia when the trolley starts and stops during transportation. At the same time, the relative position of the wheels on both sides of the existing ladle transfer trolley is fixed and cannot be adjusted according to the track width, which affects the application scope of the trolley. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a transfer trolley for ladle maintenance, which has the advantages of preventing the ladle from shaking during transfer and being able to adapt to tracks of different widths within a certain range, thereby solving the above-mentioned technical problems.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a transfer trolley for ladle maintenance, comprising: a support plate, a connecting block is fixedly installed on the top of the support plate, a connecting rod is movably installed on the top of the connecting block, a connecting spring is fixedly installed on the bottom of the connecting rod, a limiting frame is fixedly installed on the top of the connecting rod, a load-bearing block is fixedly installed on the top of the support plate, an adjusting piston is fixedly installed on the inside of the support plate, a sliding groove is provided on the bottom surface of the support plate, a wheel frame is embedded and installed on the bottom of the support plate, a limiting groove is fixedly installed on the bottom of the support plate, a connecting frame is fixedly installed on the inner side of the wheel frame, a driving motor is fixedly installed on the inside of the connecting frame, a driving shaft is fixedly installed on the end of the rotating shaft of the driving motor, a driving wheel is inserted through the center of the driving shaft, and a bearing is fixedly installed on the top of the wheel frame; the limiting frame can limit the position of the ladle.

[0009] As the preferred technical solution of the utility model, the connecting block is installed above the support plate in a mirror-symmetrical manner with the center of the support plate as the reference, the connecting rod is an "L"-shaped structure, and a rotational connection is formed between the connecting rod and the support plate; the connecting block can easily limit the position of the connecting rod.

[0010] As an optimal technical solution of the utility model, the upper end of the connecting spring is fixedly connected to the connecting rod, and the lower end of the connecting spring is fixedly connected to the connecting block, and the limit frame is installed on the upper ends of the connecting rods on the left and right sides of the support plate in a mirror-symmetrical manner with the center of the support plate as a reference; the connecting spring can facilitate the resetting of the connecting rod.

[0011] As the preferred technical solution of the utility model, the load-bearing block is installed on the front and rear sides of the support plate in a mirror-symmetrical manner with the center of the support plate as the reference, and the upper end of the load-bearing block is provided with a groove structure that is engaged with the columnar structure on both sides of the ladle, and the front and rear sides of the support plate are provided with left-right symmetrical opening structures with the center of the support plate as the reference, and the regulating piston is installed in the opening structures on the front and rear sides of the support plate in a mirror-symmetrical manner; the load-bearing block can support the ladle.

[0012] As the preferred technical solution of the utility model, a sliding connection is formed between the wheel frame and the support plate, and the wheel frame is installed on the left and right sides of the front and rear ends of the support plate in a mirror-symmetrical manner with the center of the support plate as a reference, and the wheel frame is fixedly connected to the movable end of the adjusting piston; the wheel frame can facilitate the adjustment of the position of the driving wheel.

[0013] As the preferred technical solution of the utility model, the driving motor is fixedly connected to the wheel frame through a connecting frame, the driving shaft transversely penetrates the wheel frame and the driving wheel, the driving shaft and the wheel frame are rotationally connected, the driving shaft and the driving wheel are fixedly connected, and the driving shaft is fixed to the end of the driving motor shaft by insertion; the driving motor can drive the driving shaft to rotate.

[0014] As the preferred technical solution of the utility model, the bearing is symmetrically installed at the four corners of the wheel frame with the center of the wheel frame as the reference, and the ball at the top of the bearing is embedded in the slide groove. The inner side of the wheel frame is provided with a rectangular protrusion embedded in the limit groove, and a sliding connection is formed between the wheel frame and the limit groove; the bearing can reduce the friction between the wheel frame and the support plate during translation, and play a supporting role for the support plate.

[0015] Compared with the prior art, the utility model provides a transfer trolley for ladle maintenance, which has the following beneficial effects:

[0016] 1. The utility model sets a connecting block, which is symmetrically installed on the top of the supporting plate with the center of the supporting plate as the reference, the connecting rod is an "L" shaped structure, a rotating connection is formed between the connecting rod and the supporting plate, the upper end of the connecting spring is fixedly connected to the connecting rod, and the lower end of the connecting spring is fixedly connected to the connecting block, and the limit frame is symmetrically installed on the upper ends of the connecting rods on the left and right sides of the supporting plate with the center of the supporting plate as the reference. When the ladle is lowered by the overhead crane, the columnar structures on both sides of the ladle are embedded in the upper ends of the load-bearing blocks, and the bottom end of the ladle contacts the bottom end of the connecting rod. The ladle will drive the connecting rod to move downward, causing the connecting rod to rotate and stretch the connecting spring, and the limit frame at the upper end of the connecting rod will clamp the ladle. In this way, the axial direction of the columnar structures on the left and right sides of the ladle is parallel to the moving direction of the ladle, and the limit frame can limit the position of the ladle, thereby preventing the ladle from shaking due to inertia during movement.

[0017] 2. The utility model forms a sliding connection between the wheel frame and the support plate through the setting of the wheel frame, and the wheel frame is symmetrically installed on the left and right sides of the front and rear ends of the support plate with the center of the support plate as the reference, and the wheel frame is fixedly connected to the movable end of the adjusting piston, and the inner side of the wheel frame is provided with a rectangular protrusion engaged with the limiting groove, and the wheel frame and the limiting groove form a sliding connection. At the same time, the bearings are symmetrically installed at the four corners of the wheel frame with the center of the wheel frame as the reference, and the ball at the top of the bearing is engaged with the slide groove. The adjusting pistons mirror-installed on the left and right sides of the support plate are synchronously extended and retracted to adjust the distance between the wheel frames on the left and right sides of the support plate, so as to adjust the relative position between the driving wheels. In this way, the distance between the driving wheels can be adjusted according to the distance between the tracks, so that the trolley can adapt to tracks with different spacings within a certain range. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the connection structure between the support plate and the limit frame of the utility model;

[0020] Figure 3This is a schematic diagram of the connection structure between the wheel frame and the support plate of the utility model;

[0021] Figure 4 This is a schematic diagram of the connection structure between the driving roller and the driving motor of the utility model;

[0022] Among them: 1. Support plate; 11. Connecting block; 12. Connecting rod; 13. Connecting spring; 14. Limiting frame; 15. Load-bearing block; 16. Adjusting piston; 17. Slide groove; 2. Wheel frame; 21. Limiting groove; 22. Connecting frame; 23. Driving motor; 24. Driving shaft; 25. Driving wheel; 26. Bearing. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0024] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1 - Figure 4 In this embodiment, a transfer trolley for ladle maintenance includes: a support plate 1, a connecting block 11 is fixedly installed on the top of the support plate 1, a connecting rod 12 is movably installed on the top of the connecting block 11, a connecting spring 13 is fixedly installed below the connecting rod 12, a limiting position frame 14 is fixedly installed above the connecting rod 12, a load-bearing block 15 is fixedly installed on the top of the support plate 1, an adjusting piston 16 is fixedly installed inside the support plate 1, and a slide groove 17 is provided on the bottom surface of the support plate 1.

[0027] The connecting block 11 is installed above the support plate 1 in a mirror-symmetrical manner with the center of the support plate 1 as a reference. The connecting rod 12 is an "L"-shaped structure, and a rotation connection is formed between the connecting rod 12 and the support plate 1.

[0028] The upper end of the connecting spring 13 is fixedly connected to the connecting rod 12, and the lower end of the connecting spring 13 is fixedly connected to the connecting block 11. The limit frame 14 is installed on the upper ends of the connecting rods 12 on the left and right sides of the support plate 1 in a mirror-symmetrical manner with the center of the support plate 1 as the reference.

[0029] The load-bearing block 15 is installed on the front and rear sides of the support plate 1 in a mirror-symmetrical manner with the center of the support plate 1 as a reference, and the upper end of the load-bearing block 15 is provided with a groove structure that is embedded with the columnar structure on both sides of the ladle. The front and rear sides of the support plate 1 are provided with left-right symmetrical opening structures with the center of the support plate 1 as a reference, and the adjusting piston 16 is installed in the opening structures on the front and rear sides of the support plate 1 in a mirror-symmetrical manner.

[0030] Specifically, the support plate 1 can support the load-bearing block 15, the connecting block 11 can facilitate limiting the position of the connecting rod 12, the connecting rod 12 can adjust the position of the limit frame 14, the connecting spring 13 can facilitate resetting the connecting rod 12, the limit frame 14 can limit the position of the ladle and prevent the ladle from shaking, the load-bearing block 15 can support the ladle, the adjusting piston 16 can facilitate adjusting the position of the wheel frame 2, and the slide groove 17 can limit the movement direction of the wheel frame 2.

[0031] A wheel frame 2 is embedded and installed below the support plate 1. A limiting groove 21 is fixedly installed below the support plate 1. A connecting frame 22 is fixedly installed on the inner side of the wheel frame 2. A driving motor 23 is fixedly installed inside the connecting frame 22. A driving shaft 24 is fixedly installed at the end of the rotating shaft of the driving motor 23. A driving wheel 25 is inserted through the center of the driving shaft 24. A bearing 26 is fixedly installed on the top of the wheel frame 2.

[0032] The wheel frame 2 is slidably connected to the support plate 1 . The wheel frame 2 is mirror-symmetrically mounted on the left and right sides of the front and rear ends of the support plate 1 with the center of the support plate 1 as the reference. The wheel frame 2 is fixedly connected to the movable end of the regulating piston 16 .

[0033] The driving motor 23 is fixedly connected to the wheel frame 2 through the connecting frame 22, and the driving shaft 24 transversely penetrates the wheel frame 2 and the driving wheel 25. The driving shaft 24 and the wheel frame 2 are rotationally connected, and the driving shaft 24 and the driving wheel 25 are fixedly connected. The driving shaft 24 is fixed to the end of the rotating shaft of the driving motor 23 by insertion.

[0034] The bearing 26 is symmetrically installed at the four corners of the wheel frame 2 with the center of the wheel frame 2 as the reference, and the ball at the top of the bearing 26 is embedded in the slide groove 17. A rectangular protrusion is provided on the inner side of the wheel frame 2 to be embedded in the limit groove 21, forming a sliding connection between the wheel frame 2 and the limit groove 21.

[0035] Specifically, the wheel frame 2 can facilitate the adjustment of the position of the driving wheel 25 and provide support for the support plate 1. The limiting groove 21 can limit the movement direction of the wheel frame 2. The connecting frame 22 can fix the position of the driving motor 23. The driving motor 23 can drive the driving shaft 24 to rotate. The driving shaft 24 can facilitate the rotation of the driving wheel 25. The driving wheel 25 can drive the support plate 1 to move. The bearing 26 can reduce the friction between the wheel frame 2 and the support plate 1 during translation and provide support for the support plate 1.

[0036] When in use, the connecting block 11 is installed above the supporting plate 1 in a mirror-symmetrical manner with the center of the supporting plate 1 as the reference, and the connecting rod 12 is an "L"-shaped structure. The connecting rod 12 and the supporting plate 1 form a rotating connection, the upper end of the connecting spring 13 is fixedly connected to the connecting rod 12, and the lower end of the connecting spring 13 is fixedly connected to the connecting block 11, and the limiting frame 14 is installed at the upper ends of the connecting rods 12 on the left and right sides of the supporting plate 1 in a mirror-symmetrical manner with the center of the supporting plate 1 as the reference. When the ladle is lowered by the overhead crane, the columnar structures on both sides of the ladle are embedded in the upper ends of the load-bearing blocks 15, and the bottom end of the ladle contacts the bottom end of the connecting rod 12. The ladle will drive the connecting rod 12 to move downward, causing the connecting rod 12 to rotate and stretch the connecting spring 13, and the limiting frame 14 at the upper end of the connecting rod 12 will clamp the ladle. In this way, the axial direction of the columnar structures on the left and right sides of the ladle is parallel to the moving direction of the ladle, and the limiting frame 14 can limit the position of the ladle, thereby avoiding In order to prevent the steel ladle from shaking due to inertia during movement, a sliding connection is formed between the wheel frame 2 and the support plate 1. The wheel frame 2 is installed on the left and right sides of the front and rear ends of the support plate 1 with the center of the support plate 1 as the reference and the left and right mirror-symmetrically. The wheel frame 2 is fixedly connected to the movable end of the adjusting piston 16. The inner side of the wheel frame 2 is provided with a rectangular protrusion that is engaged with the limiting groove 21. A sliding connection is formed between the wheel frame 2 and the limiting groove 21. At the same time, the bearing 26 is symmetrically installed at the four corners of the wheel frame 2 with the center of the wheel frame 2 as the reference, and the ball at the top of the bearing 26 is engaged with the slide groove 17. The adjusting piston 16 installed on the left and right sides of the support plate 1 is synchronously extended and retracted to adjust the distance between the wheel frames 2 on the left and right sides of the support plate 1, so as to adjust the relative position between the driving wheels 25. This method enables the distance between the driving wheels 25 to be adjusted according to the distance between the tracks, so that the trolley can adapt to tracks with different spacings within a certain range.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A transfer trolley for ladle maintenance, characterized in that: include: A support plate (1), a connecting block (11) is fixedly installed on the upper part of the support plate (1), a connecting rod (12) is movably installed on the upper part of the connecting block (11), a connecting spring (13) is fixedly installed on the lower part of the connecting rod (12), a limit frame (14) is fixedly installed on the upper part of the connecting rod (12), a load-bearing block (15) is fixedly installed on the upper part of the support plate (1), an adjusting piston (16) is fixedly installed inside the support plate (1), and a slide groove (17) is arranged on the bottom surface of the support plate (1) ), a wheel frame (2) is embedded and installed below the support plate (1), a limiting groove (21) is fixedly installed below the support plate (1), a connecting frame (22) is fixedly installed on the inner side of the wheel frame (2), a driving motor (23) is fixedly installed inside the connecting frame (22), a driving shaft (24) is fixedly installed at the end of the rotating shaft of the driving motor (23), a driving wheel (25) is inserted and installed at the center of the driving shaft (24), and a bearing (26) is fixedly installed above the wheel frame (2).

2. The ladle maintenance transfer trolley according to claim 1, characterized in that: The connecting block (11) is installed above the support plate (1) in a mirror-symmetrical manner with the center of the support plate (1) as a reference, and the connecting rod (12) is an "L"-shaped structure, and a rotational connection is formed between the connecting rod (12) and the support plate (1).

3. The ladle maintenance transfer trolley according to claim 1, characterized in that: The upper end of the connecting spring (13) is fixedly connected to the connecting rod (12), and the lower end of the connecting spring (13) is fixedly connected to the connecting block (11); the limit frame (14) is installed on the upper ends of the connecting rods (12) on the left and right sides of the supporting plate (1) in a mirror-symmetrical manner with the center of the supporting plate (1) as a reference.

4. The ladle maintenance transfer trolley according to claim 1, characterized in that: The load-bearing block (15) is installed on the front and rear sides of the support plate (1) in a mirror-symmetrical manner with the center of the support plate (1) as a reference, and the upper end of the load-bearing block (15) is provided with a groove structure that engages with the columnar structures on both sides of the ladle, and the front and rear sides of the support plate (1) are provided with left-right symmetrical opening structures with the center of the support plate (1) as a reference, and the regulating piston (16) is installed in the opening structures on the front and rear sides of the support plate (1) in a mirror-symmetrical manner.

5. The ladle maintenance transfer trolley according to claim 1, characterized in that: The wheel frame (2) is slidably connected to the support plate (1). The wheel frame (2) is mirror-symmetrically mounted on the left and right sides of the front and rear ends of the support plate (1) with the center of the support plate (1) as a reference. The wheel frame (2) is fixedly connected to the movable end of the regulating piston (16).

6. The ladle maintenance transfer trolley according to claim 1, characterized in that: The drive motor (23) is fixedly connected to the wheel frame (2) via a connecting frame (22); the drive shaft (24) transversely penetrates the wheel frame (2) and the drive wheel (25); the drive shaft (24) and the wheel frame (2) are rotationally connected; the drive shaft (24) and the drive wheel (25) are fixedly connected; and the drive shaft (24) is fixed to the end of the rotating shaft of the drive motor (23) by means of insertion.

7. The ladle maintenance transfer trolley according to claim 1, characterized in that: The bearing (26) is symmetrically mounted on the four corners of the wheel frame (2) with the center of the wheel frame (2) as a reference, and the ball at the top of the bearing (26) is engaged with the slide groove (17). The inner side of the wheel frame (2) is provided with a rectangular protrusion engaged with the limit groove (21), and a sliding connection is formed between the wheel frame (2) and the limit groove (21).

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