Low-cost self-locking anti-falling lifting hook for secondary lifting of ladle

Abstract

The utility model discloses a low-cost self-locking anti-falling lifting hook for secondary lifting of a hot metal ladle, and particularly relates to the technical field of self-locking anti-falling lifting hooks, the low-cost self-locking anti-falling lifting hook comprises a lifting hook body, and a positioning assembly used for preventing the hot metal ladle from loosening is arranged outside the lifting hook body; the positioning assembly comprises two movable shafts, the two movable shafts are arranged on the two sides of the lifting hook body respectively, the ends, close to each other, of the two movable shafts are movably connected with the lifting hook body through bearings, and the same safety blocking frame is arranged at the bottoms of the two movable shafts. The balancing weight drives the safety blocking frame on the movable shaft to move outwards so as to achieve self-locking operation, then the unhooking frame drives the safety blocking frame connected with the unhooking frame to move backwards so as to complete unlocking operation, the whole structure is simple, use is convenient, the operation can be completed by one person, operation convenience and flexibility can be effectively improved, and the self-locking operation is achieved. And operation can be conducted under the condition that the ladle is far away from the ladle, the situation that the ladle falls off and harms workers is avoided, and operation safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of self-locking anti-drop hooks, in particular to a low-cost self-locking anti-drop hook for secondary lifting of a molten iron ladle. Background Art

[0002] The iron ladle is a casting iron ladle for pouring iron. It is used for pouring operations in the foundry workshop. It receives the molten iron in front of the furnace and then transports it to the mold by a crane for pouring. When the iron ladle is transported, a hook is needed to facilitate lifting and connect the lifting ladle to the iron ladle.

[0003] In order to improve the safety of the ladle during lifting, it was found through inspection that the homemade hook for lifting the ladle has great safety hazards. As the amount of molten iron used for pouring is increasing, a crane is needed to transfer the molten iron to be poured from the electric furnace to the ladle used for pouring, and then the ladle is transferred to the pouring site. Due to the high temperature of the molten iron, if the ladle falls off during the crane transfer and pouring process, it will cause inevitable losses and personal injuries.

[0004] As shown in the application document with the prior art publication number CN214611120U, it includes a hook body, which is G-shaped, and has a double right-angled inner bend U-shaped opening on the inner side of the bottom of the hook body. The top of the hook body is set to be inclined, and a lifting hole is set at the end. The vertical position of the lifting hole corresponds to the inside of the U-shaped opening. A wear-resistant sling is provided along the inner surface of the hook body, and hooks are provided on the two side surfaces of the hook body. The hooks on both sides are connected by a pull rope passing around the inner side of the hook body to bind the sling to the hook body. Compared with lifting the tower with a fall chain and a sling, this technical solution greatly reduces the risk factor and also reduces the friction damage to the tower. It has strong versatility, is easy to operate, is not easy to be replaced frequently, reduces the purchase cost of other lifting equipment, and effectively improves the efficiency of tower lifting. The application of the hook device greatly reduces the friction damage to the tower and improves the lifting efficiency of the tower.

[0005] However, this technical solution is prone to the situation where the equipment is separated from the hook due to factors such as shaking during lifting, thereby affecting the stability and safety of the hook when lifting the equipment. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a low-cost secondary lifting ladle self-locking anti-drop hook, which drives the safety frame on the movable shaft to move outward through the counterweight block to realize the self-locking operation, and then drives the safety frame connected to the unhooking frame to move backward with the help of the unhooking frame to complete the unlocking operation. The overall structure is simple and easy to use, and can be completed by one person. It can effectively improve the convenience and flexibility of operation, and can be operated far away from the ladle to prevent the ladle from falling and causing harm to the staff, thereby improving the safety of operation, so as to solve the problems arising from the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-cost secondary lifting ladle self-locking anti-drop hook, comprising a hook body, the hook body is provided with a positioning component for preventing the ladle from falling off;

[0008] The positioning assembly includes two movable shafts, which are respectively arranged on both sides of the hook body, and the ends of the two movable shafts close to each other are movably connected to the hook body through bearings, and the same safety stop frame is arranged at the bottom of the two movable shafts, and the tops of the two ends of the safety stop frame are respectively fixed to the two movable shafts, and a stop block is arranged at the front side of the bottom end of the safety stop frame, and the stop block is installed inside the hook body;

[0009] The same counterweight frame is provided on the rear side of the two movable shafts, and the counterweight frame is sleeved on the outside of the hook body. The front sides of both ends of the counterweight frame are respectively fixed to the two movable shafts. A counterweight block is provided on the bottom of the rear end of the counterweight frame, and a connecting ring is installed on the top of the counterweight block. The connecting ring is sleeved on the outside of the counterweight frame. The safety guard frame on the movable shaft is driven to move outward by the counterweight block to realize the self-locking operation, and then the safety guard frame connected to the unhooking frame is driven to move backward with the help of the unhooking frame to complete the unlocking operation.

[0010] In a preferred embodiment, movable columns are installed on both sides of the front end of the safety frame, and a movable ring is provided on the outside of the movable column. The same unhooking frame is provided on the rear side of the two movable rings, and the unhooking frame is sleeved on the outside of the rear end of the hook body. The movable ring is movably connected to the movable column, so that the safety frame can mobilize the unhooking frame to move together.

[0011] In a preferred embodiment, a hook removing frame is sleeved on the outer rear end of the unhooking frame, and the hook removing frame is arranged on the rear side of the hook body. Through the connection between the hook removing frame and the unhooking frame, it is convenient for the staff to operate the hook removing frame to pull the unhooking frame backward, so that it is convenient for the staff to operate the safety guard frame to perform the unlocking operation.

[0012] In a preferred embodiment, a limiting bracket is installed on the rear side of the bottom end of the hook body, and the cross-section of the limiting bracket is set to T-shape. The limiting bracket is arranged at the bottom of the rear end of the unhooking frame, and the bottom of the rear end of the unhooking frame is in contact with the top of the limiting bracket. The unhooking frame is supported by the limiting bracket to ensure that the unhooking frame is within a predetermined motion trajectory and to ensure the stability of the unhooking frame during movement.

[0013] In a preferred embodiment, a mounting hole is formed through the top of the hook body. The mounting hole can facilitate the staff to mount the hook on the hoisting ladle.

[0014] In a preferred embodiment, an iron chain for lifting molten iron is sleeved on the outside of the bottom end of the hook body. The provision of the iron chain facilitates the installation and connection of the lifting molten iron ladle.

[0015] Technical effects and advantages of the utility model:

[0016] The safety guard frame on the movable shaft is driven to move outward by the counterweight block to realize the self-locking operation, and then the unhooking frame is used to drive the safety guard frame connected to the unhooking frame to move backward to complete the unlocking operation. The overall structure is simple and easy to use, and can be completed by one person. It can effectively improve the convenience and flexibility of operation, and can be operated far away from the molten iron ladle to prevent the molten iron ladle from falling and causing harm to the staff, thereby improving the safety of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a rear view of the hook body of the utility model;

[0019] Figure 3 This is the front view of the safety guard frame of the utility model;

[0020] Figure 4 This is a rear view of the position limiting bracket of the utility model;

[0021] Figure 5 This is a schematic diagram of the safety guard frame of the utility model after adjustment.

[0022] The accompanying drawings are marked as follows: 1. hook body; 2. movable shaft; 3. safety stop frame; 4. stop block; 5. counterweight frame; 6. counterweight block; 7. connecting ring; 8. movable column; 9. movable ring; 10. unhooking frame; 11. hook removal frame; 12. limiting bracket; 13. mounting hole; 14. iron chain. DETAILED DESCRIPTION

[0023] 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.

[0024] Refer to the instruction manual Figure 1-5 The utility model provides a low-cost secondary lifting ladle self-locking anti-drop hook, comprising a hook body 1, wherein the hook body 1 is provided with a positioning component for preventing the ladle from falling off outside;

[0025] like Figure 1 , 2 As shown in Figures 3 and 5, the positioning assembly includes two movable shafts 2, which are respectively provided on both sides of the hook body 1, and the ends of the two movable shafts 2 that are close to each other are movably connected to the hook body 1 through bearings. The same safety frame 3 is provided at the bottom of the two movable shafts 2, and the tops of both ends of the safety frame 3 are respectively fixed to the two movable shafts 2. A block 4 is provided on the front side of the bottom end of the safety frame 3, and the block 4 is installed inside the hook body 1; the same counterweight frame 5 is provided on the rear side of the two movable shafts 2, and the counterweight frame 5 is sleeved on the outside of the hook body 1, and the front sides of both ends of the counterweight frame 5 are respectively fixed to the two movable shafts 2, a counterweight block 6 is provided on the bottom of the rear end of the counterweight frame 5, and a connecting ring 7 is installed on the top of the counterweight block 6, and the connecting ring 7 is sleeved outside the counterweight frame 5.

[0026] like Figure 1 , 2 As shown in Figures 3 and 5, movable columns 8 are installed on both sides of the front end of the safety frame 3. The movable columns 8 are externally sleeved with movable rings 9. The same unhooking frame 10 is provided on the rear sides of the two movable rings 9. The unhooking frame 10 is sleeved on the outside of the rear end of the hook body 1. Through the movable connection between the movable ring 9 and the movable columns 8, the safety frame 3 can mobilize the unhooking frame 10 to move together. A hook removal frame 11 is sleeved on the outside of the rear end of the unhooking frame 10. The unhooking frame 11 is arranged on the rear side of the hook body 1. Through the connection between the hook removal frame 11 and the unhooking frame 10, it is convenient for the staff to operate the unhooking frame 11 to pull the unhooking frame 10 backward, so that the staff can remotely operate the safety frame 3 to unlock.

[0027] like Figure 1 , 2As shown in Figures 4 and 5, a limiting bracket 12 is installed on the rear side of the bottom end of the hook body 1. The cross-section of the limiting bracket 12 is set to be T-shaped. The limiting bracket 12 is arranged at the bottom of the rear end of the unhooking frame 10. The bottom of the rear end of the unhooking frame 10 is in contact with the top of the limiting bracket 12. The unhooking frame 10 is supported by the limiting bracket 12 to ensure that the unhooking frame 10 is within a predetermined motion trajectory and to ensure the stability of the unhooking frame 10 during movement.

[0028] like Figure 1 , 2 As shown in , 4 and 5, a mounting hole 13 is formed through the top of the hook body 1. The mounting hole 13 allows the operator to easily install the hook on a hoisting ladle. An iron chain 14 for hoisting molten iron is provided on the bottom of the hook body 1. The iron chain 14 allows the operator to easily install and connect the hoisting ladle.

[0029] When lifting molten iron, the safety stop frame 3 moves to the front end of the hook body 1 through the movable shaft 2 under the action of the counterweight 6 on the counterweight frame 5, and cooperates with the stopper 4 to perform self-locking and anti-loosening, thereby preventing the iron chain 14 from loosening from the hook body 1 and ensuring the stability of the iron chain 14 during lifting;

[0030] During disassembly, the unhooking frame 11 is pulled down to drive the safety guard frame 3 connected to the unhooking frame 10 to move backward, so that the safety guard frame 3 does not block the hook body 1 and completes the unlocking operation, so that the staff can easily remove the molten iron ladle. The overall structure can be completed by one person, which can effectively improve the convenience and flexibility of operation, and can be operated far away from the molten iron ladle to prevent the molten iron ladle from falling and causing harm to the staff, thereby improving operational safety.

[0031] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A low-cost secondary lifting ladle self-locking anti-drop hook, comprising a hook body (1), characterized in that: The hook body (1) is provided with a positioning component on the outside thereof for preventing the ladle from loosening; The positioning assembly comprises two movable shafts (2), the two movable shafts (2) are respectively arranged on both sides of the hook body (1), the ends of the two movable shafts (2) close to each other are movably connected to the hook body (1) through bearings, the bottom of the two movable shafts (2) are provided with a same safety stop frame (3), the tops of both ends of the safety stop frame (3) are respectively fixed to the two movable shafts (2), the front side of the bottom end of the safety stop frame (3) is provided with a stop block (4), and the stop block (4) is installed inside the hook body (1); A common counterweight frame (5) is provided at the rear side of the two movable shafts (2), and the counterweight frame (5) is sleeved on the outside of the hook body (1). The front sides of both ends of the counterweight frame (5) are respectively fixed to the two movable shafts (2). A counterweight block (6) is provided at the bottom of the rear end of the counterweight frame (5), and a connecting ring (7) is installed on the top of the counterweight block (6). The connecting ring (7) is sleeved on the outside of the counterweight frame (5).

2. A low-cost secondary lifting ladle self-locking anti-drop hook according to claim 1, characterized in that: Both sides of the front end of the safety baffle frame (3) are provided with movable columns (8), the outer part of the movable columns (8) is provided with movable rings (9), the rear sides of the two movable rings (9) are provided with a same unhooking frame (10), and the unhooking frame (10) is sleeved on the outer part of the rear end of the hook body (1).

3. A low-cost secondary lifting ladle self-locking anti-drop hook according to claim 2, characterized in that: A hook removing frame (11) is sleeved on the rear end of the hook removing frame (10), and the hook removing frame (11) is arranged on the rear side of the hook body (1).

4. A low-cost secondary lifting ladle self-locking anti-drop hook according to claim 1, characterized in that: A limiting bracket (12) is installed at the rear side of the bottom end of the hook body (1); the limiting bracket (12) has a T-shaped cross section; the limiting bracket (12) is arranged at the bottom of the rear end of the unhooking frame (10); the bottom of the rear end of the unhooking frame (10) contacts the top of the limiting bracket (12).

5. A low-cost secondary lifting ladle self-locking anti-drop hook according to claim 1, characterized in that: A mounting hole (13) is provided through the top of the hook body (1).

6. A low-cost self-locking anti-drop hook for secondary lifting of molten iron ladle according to claim 1, characterized in that: An iron chain (14) for hanging molten iron is sleeved on the outside of the bottom end of the hook body (1).

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