Hand-cranking ladle for casting chromium-molybdenum alloy steel

Abstract

The utility model discloses a hand-cranking ladle for casting chrome molybdenum alloy steel, which relates to the technical field of metallurgical equipment and comprises a ladle body, a protective plate is mounted on the outer wall of the ladle body, a lifting lug shaft is connected onto the ladle body, the outer end of the lifting lug shaft is connected with a rocking mechanism, the lifting lug shaft is rotatably connected with a lifting lug device, and the lifting lug device is used for adjusting the length of a lifting lug. The lifting lug device comprises a first lifting lug rotationally connected to the lifting lug shaft, the top end of the first lifting lug is movably inserted into the bottom of the second lifting lug, a winding wheel is rotationally arranged at the top in the second lifting lug, one end of the winding wheel is connected with a motor used for driving the winding wheel to rotate, and one side of the winding wheel is connected with a brake assembly used for braking the winding wheel. A pull rope used for lifting the first lifting lug is wound on the winding wheel, and an auxiliary device is installed on a hand wheel of the shaking mechanism, so that the length of the lifting lug can be adjusted according to use requirements, the bag body can be conveniently lifted and moved, the position of a handle can be adjusted, and then the hand wheel can be conveniently operated to rotate.

Description

Technical Field

[0001] The utility model relates to the technical field of metallurgical equipment, in particular to a hand-cranked bag made of cast chromium-molybdenum alloy steel. Background Art

[0002] The hand-cranked ladle is a container for storing molten steel and is also a component of the refining equipment. The traditional hand-cranked ladle includes a furnace shell, a base and a refractory lining.

[0003] In the prior art, a utility model patent with publication number CN211539454U provides a hand-cranked bag for casting, including a bag body, a lifting ear fixing device, a lifting ear, a lifting ear shaft fixing seat, a lifting ear shaft, a shaking device, a protective safety structure, a bag bottom protective contact, a contact protector, and a wire. The bag body is connected to the lifting ear through the lifting ear shaft fixing seat and the lifting ear shaft, the lifting ear is provided with a lifting ear fixing device, a shaking device is provided on one side of the lifting ear shaft fixing seat, a protective safety structure is provided between the bag body and the manual handle, the bag bottom protective contact is embedded in the refractory lining at the bottom of the bag body, and the contact protector is connected to the bag bottom protective contact through a wire.

[0004] The hand-cranked bag for casting cannot adjust the length of the lifting ear according to the use requirements, which is not convenient for lifting and moving the bag body. The handwheel on the shaking device is not provided with a handle, and the position of most handwheel handles is fixed, which is not convenient for operating the handwheel to rotate. Therefore, we propose a hand-cranked bag made of cast chromium-molybdenum alloy steel to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a hand-cranked bag made of cast chromium-molybdenum alloy steel to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A hand-cranked bag made of cast chromium-molybdenum alloy steel comprises a bag body, a protective plate is installed on the outer wall of the bag body, a lifting ear shaft is connected to the bag body, the outer end of the lifting ear shaft is connected to a shaking mechanism, the lifting ear shaft is rotatably connected to a lifting ear device, the lifting ear device is used to adjust the length of the lifting ear, the lifting ear device comprises a lifting ear 1 rotatably connected to the lifting ear shaft, the top of the lifting ear 1 moves and is inserted into the bottom of the lifting ear 2, a winding wheel is rotatably provided at the top of the lifting ear 2, one end of the winding wheel is connected to a motor for driving the winding wheel to rotate, a brake assembly for stopping the winding wheel is connected to one side of the winding wheel, a pull rope for lifting the lifting ear 1 is wound around the winding wheel, and an auxiliary device is installed on the handwheel of the shaking mechanism.

[0008] Preferably, the auxiliary device is used to assist in turning a hand wheel on the rocking mechanism.

[0009] Preferably, the auxiliary device comprises a buckle mounted on a connecting rod of a hand wheel of the rocking mechanism, and one end of the buckle is rotatably connected to a handle for assisting the rotation of the hand wheel.

[0010] Preferably, the length of the first lifting ear is greater than or equal to the length of the second lifting ear, and a lifting ear fixing mechanism is provided on the first lifting ear above the lifting ear axis.

[0011] Preferably, the first lifting ear is a rectangular structure.

[0012] Preferably, the reel is used for reeling in the draw rope, and the motor and the brake assembly are both mounted on the second lifting ear.

[0013] Preferably, the brake assembly is a disc brake or a drum brake, and the length of the pull rope is less than the height of the second bottom slot of the lifting ear.

[0014] Preferably, the pull rope is a steel rope.

[0015] Preferably, the outer wall of the handle is wrapped with a high-temperature resistant and non-slip rubber sleeve, and the buckle is a universal pipe clamp type buckle.

[0016] Preferably, the handle is a cylindrical structure.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. Adjust the length of the lifting ear according to usage requirements, start the motor, drive the winding wheel to rotate, the winding wheel rotates to reel in the pull rope, and the pull rope pulls the lifting ear one to move inside the lifting ear two. When the distance between the top of the lifting ear two and the top of the bag body is suitable for the next operation, stop the motor and start the brake assembly at the same time to limit the rotation of the winding wheel, thereby limiting the downward movement of the lower end of the pull rope, and then limiting the downward movement of the lifting ear one and the bag body, so that the length of the lifting ear can be adjusted according to usage requirements, which is convenient for lifting and moving the bag body.

[0019] 2. According to usage habits, move the buckle to the appropriate position of the handwheel connecting rod, then fasten the buckle, push the handle, and rotate the handwheel through the buckle, so that the position of the handle can be adjusted, which is convenient for operating the handwheel rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a structural schematic diagram of the lifting lug device in the utility model;

[0022] Figure 3 It is a structural schematic diagram of the auxiliary device in the utility model.

[0023] In the figure: 1. package body; 2. protective plate; 3. lifting ear shaft; 4. shaking mechanism; 5. lifting ear device; 51. lifting ear 2; 52. winding wheel; 53. motor; 54. brake assembly; 55. pull rope; 56. lifting ear 1; 6. auxiliary device; 61. handle; 62. buckle. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-3 A hand-cranked bag made of cast chromium-molybdenum alloy steel comprises a bag body 1, a protective plate 2 is installed on the outer wall of the bag body 1, a lifting ear shaft 3 is connected to the bag body 1, the outer end of the lifting ear shaft 3 is connected to a shaking mechanism 4, the lifting ear shaft 3 is rotatably connected to a lifting ear device 5, the lifting ear device 5 is used to adjust the length of the lifting ear, the lifting ear device 5 comprises a lifting ear 1 56 rotatably connected to the lifting ear shaft 3, the top of the lifting ear 1 56 moves and inserts into the bottom of the lifting ear 2 51, the top of the lifting ear 2 51 is rotatably provided with a winding wheel 52, one end of the winding wheel 52 is connected to a motor 53 for driving the winding wheel 52 to rotate, and the winding wheel 5 A brake assembly 54 for stopping the winding wheel 52 is connected to one side of the winding wheel 52. A pull rope 55 for lifting the first lifting eye 56 is wound around the winding wheel 52. The length of the first lifting eye 56 is greater than or equal to the length of the second lifting eye 51. The first lifting eye 56 is a rectangular structure. The first lifting eye 56 above the lifting eye shaft 3 is provided with a lifting eye fixing mechanism. The winding wheel 52 is used to wind up the pull rope 55. The motor 53 and the brake assembly 54 are both installed on the second lifting eye 51. The brake assembly 54 is a disc brake or a drum brake. The pull rope 55 is a steel rope. The length of the pull rope 55 is less than the height of the bottom slot of the second lifting eye 51.

[0026] The length of the lifting ear is adjusted according to the use requirements, and the motor 53 is started to drive the winding wheel 52 to rotate. The winding wheel 52 rotates the winding rope 55, and the rope 55 pulls the lifting ear 1 56 to move in the lifting ear 2 51. When the distance between the top of the lifting ear 2 51 and the top of the bag body 1 is suitable for the next operation, the motor 53 is stopped, and the brake assembly 54 is started at the same time to limit the rotation of the winding wheel 52, thereby limiting the downward movement of the lower end of the rope 55, and further limiting the downward movement of the lifting ear 1 56 and the bag body 1, so that the length of the lifting ear can be adjusted according to the use requirements, which is convenient for lifting and moving the bag body 1.

[0027] An auxiliary device 6 is installed on the handwheel of the shaking mechanism 4, and the auxiliary device 6 is used to assist in rotating the handwheel on the shaking mechanism 4. The auxiliary device 6 includes a buckle 62 installed on the handwheel connecting rod of the shaking mechanism 4. One end of the buckle 62 is rotatably connected to a handle 61 for assisting in rotating the handwheel. The handle 61 is a cylindrical structure, and the outer wall of the handle 61 is wrapped with a high-temperature resistant and non-slip rubber sleeve. The buckle 62 is a universal pipe clamp buckle, such as a clamp.

[0028] According to usage habits, move the buckle 62 to a suitable position of the handwheel connecting rod, then tighten the buckle 62, push the handle 61, and rotate the handwheel through the buckle 62, so that the position of the handle 61 can be adjusted, thereby facilitating the operation of handwheel rotation.

[0029] Working principle: The utility model adjusts the length of the lifting ear according to the use requirements, starts the motor 53, drives the winding wheel 52 to rotate, and the winding wheel 52 rotates the winding pull rope 55, and the pull rope 55 pulls the lifting ear 1 56 to move in the lifting ear 2 51. When the distance between the top of the lifting ear 2 51 and the top of the bag body 1 is suitable for the next operation, the motor 53 is stopped, and the brake assembly 54 is started at the same time to limit the rotation of the winding wheel 52, thereby limiting the downward movement of the lower end of the pull rope 55, and thereby limiting the downward movement of the lifting ear 1 56 and the bag body 1, so that the length of the lifting ear can be adjusted according to the use requirements, which is convenient for lifting and moving the bag body 1. According to the use habits, the buckle 62 is moved to the appropriate position of the handwheel connecting rod, and then the buckle 62 is fastened, the handle 61 is pushed, and the handwheel is rotated by the buckle 62, so that the position of the handle 61 can be adjusted, thereby facilitating the operation of the handwheel rotation.

[0030] This is prior art and will not be described in detail here.

[0031] 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 hand-cranked bag made of cast chromium-molybdenum alloy steel, comprising a bag body (1), the outer wall of which is provided with a protective plate (2), the bag body (1) is connected with a hanging ear shaft (3), the outer end of which is connected with a shaking mechanism (4), characterized in that: The ear shaft (3) is rotatably connected to a ear device (5), and the ear device (5) is used to adjust the length of the ear. The ear device (5) includes an ear (56) rotatably connected to the ear shaft (3), the top of the ear (56) moves and inserts into the bottom of the ear (51), and a winding wheel (52) is rotatably provided at the top of the ear (51). One end of the winding wheel (52) is connected to a motor (53) for driving the winding wheel (52) to rotate, and one side of the winding wheel (52) is connected to a brake assembly (54) for stopping the winding wheel (52). A pull rope (55) for lifting the ear (56) is wound around the winding wheel (52), and an auxiliary device (6) is installed on the hand wheel of the shaking mechanism (4).

2. The hand-cranked ladle made of cast chromium-molybdenum alloy steel according to claim 1, characterized in that: The auxiliary device (6) is used to assist in turning the hand wheel on the rocking mechanism (4).

3. The hand-cranked ladle made of cast chromium-molybdenum alloy steel according to claim 2, characterized in that: The auxiliary device (6) comprises a buckle (62) mounted on a hand wheel connecting rod of the rocking mechanism (4), and one end of the buckle (62) is rotatably connected to a handle (61) for assisting the rotation of the hand wheel.

4. The hand-cranked ladle made of cast chromium-molybdenum alloy steel according to claim 1, characterized in that: The length of the first lifting ear (56) is greater than or equal to the length of the second lifting ear (51), and a lifting ear fixing mechanism is provided on the first lifting ear (56) above the lifting ear shaft (3).

5. The hand-cranked ladle made of cast chromium-molybdenum alloy steel according to claim 4, characterized in that: The lifting ear 1 (56) is a rectangular structure.

6. The cast chromium-molybdenum alloy steel hand-cranked ladle according to claim 1, characterized in that: The reel (52) is used to reel in the draw rope (55), and the motor (53) and the brake assembly (54) are both mounted on the second lifting ear (51).

7. The hand-cranked ladle made of cast chromium-molybdenum alloy steel according to claim 1, characterized in that: The brake assembly (54) is a disc brake or a drum brake, and the length of the pull rope (55) is less than the height of the bottom slot of the second lifting ear (51).

8. The hand-cranked ladle made of cast chromium-molybdenum alloy steel according to claim 7, characterized in that: The pull rope (55) is a steel rope.

9. The hand-cranked ladle made of cast chromium-molybdenum alloy steel according to claim 3, characterized in that: The outer wall of the handle (61) is wrapped with a high temperature resistant and non-slip rubber sleeve, and the buckle (62) is a universal pipe clamp type buckle.

10. The hand-cranked ladle made of cast chromium-molybdenum alloy steel according to claim 9, characterized in that: The handle (61) is a cylindrical structure.

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