Large-tonnage lifting ring type four-lifting-point steel ladle lifting appliance

Abstract

A large-tonnage lifting ring type four-lifting-point steel ladle lifting appliance comprises a lifting ring assembly and a matched steel ladle below the lifting ring assembly. The lifting ring assembly comprises a pulling plate, a pin shaft is arranged at the top of the pulling plate, and the lifting ring assembly and the lifting appliance cross beam are connected together through the pin shaft; the lower portion of the pulling plate is connected with a lifting ring through at least one positioning bolt, the lifting ring is connected with a matched steel ladle, a lifting lug is arranged on the matched steel ladle, and the lifting ring is connected to the lifting lug. The lifting ring comprises a connecting plate at the top and an annular body at the lower part, a plurality of positioning holes are formed in the connecting plate, and each positioning hole is correspondingly connected with a positioning bolt. The large-tonnage lifting ring type four-lifting-point steel ladle lifting appliance has the advantages of convenience in ladle hanging, better stress, higher reliability, stronger interchangeability and higher maintenance efficiency.

Description

Technical Field

[0001] The utility model relates to the research and development of a large-tonnage lifting ring type four-lifting point steel ladle lifting device, which is particularly suitable for the transportation of metallurgical steel ladles with large tonnage, compact space and high reliability requirements. Background Art

[0002] like Figure 1 , Figure 2 As shown, at present, the four-lifting-point ladle hoist in the metallurgical industry is usually a plate hook hanging ladle hoist. The capacity of this four-lifting-point ladle tends to increase gradually, which causes the following problems:

[0003] 1. The plate hook is easily restricted by the ladle shell when hooking, making it inconvenient to hook;

[0004] 2. The plate hook lifts the four ear shafts of the molten steel ladle. When hanging the ladle, it is restricted by the shell of the molten steel ladle. The design of the plate hook becomes narrower and narrower in width and thicker and thicker in thickness, which leads to the overall incoordination of the plate hook and poor force.

[0005] 3. It is difficult to replace the worn plate hook, which is costly, time-consuming and inefficient. Utility Model Content

[0006] The technical problem to be solved by the utility model is: in view of the problems that the existing plate hook is restricted by the steel ladle shell and causes inconvenience in hooking and poor force, the utility model provides a large-tonnage lifting ring type four-lifting point steel ladle lifting device.

[0007] In order to achieve the above object, the utility model is realized by the following technical solutions:

[0008] A large-tonnage lifting ring type four-lifting point ladle sling, comprising a lifting ring assembly and a matching ladle below; the lifting ring assembly comprises a pull plate, a pin is arranged on the top of the pull plate, and the lifting ring assembly is connected to the lifting device crossbeam through the pin; the lower part of the pull plate is connected to the lifting ring through at least one positioning bolt, the lifting ring is connected to the matching ladle, a lifting lug is arranged on the matching ladle, and the lifting ring is connected to the lifting lug;

[0009] The lifting ring comprises a connecting plate at the top and an annular body at the bottom, wherein the connecting plate is provided with a plurality of positioning holes, and each positioning hole is correspondingly connected to a positioning bolt.

[0010] A pin shaft hole is arranged on the top of the pull plate, and the pin shaft is located in the pin shaft hole.

[0011] Three positioning bolts are arranged on the pull plate.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model is a large-tonnage lifting ring type four-lifting point steel ladle lifting device with convenient bag hanging, better force bearing, higher reliability, stronger interchangeability and higher maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of a plate hook type four-lifting point ladle sling in the prior art;

[0014] Figure 2 It is a structural diagram of a matching steel ladle in the prior art;

[0015] Figure 3 It is the front view of the utility model lifting ring assembly;

[0016] Figure 4 It is a side view of the utility model lifting ring assembly;

[0017] Figure 5 This is a structural diagram of a large-tonnage lifting ring type four-lifting point ladle lifting device of the utility model;

[0018] Figure 6 This is a schematic diagram of the supporting ladle structure and its hanging bag. DETAILED DESCRIPTION

[0019] 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.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0021] like Figure 3 , Figure 4 , Figure 5 , Figure 6As shown, a large-tonnage lifting ring type four-point ladle sling includes a lifting ring assembly and a matching ladle 7 below; the lifting ring assembly includes a pull plate 2, a pin 1 is provided on the top of the pull plate 2, and the lifting ring assembly is connected to the sling crossbeam 9 through the pin 1; the lower part of the pull plate 2 is connected to the lifting ring 4 through at least one positioning bolt 3, and the lifting ring 4 is connected to the matching ladle 7, and a lifting ear 8 is provided on the matching ladle 7, and the lifting ring 4 is connected to the lifting ear.

[0022] Specifically, a pin hole 5 is provided on the top of the pull plate 2, and the pin 1 is located in the pin hole.

[0023] The lifting ring 4 includes a connecting plate 6 at the top and an annular body at the bottom, wherein the connecting plate 6 is provided with a plurality of positioning holes, and each positioning hole is correspondingly connected to a positioning bolt 3 .

[0024] from Figure 3 and Figure 4 As shown in FIG. 2 , three positioning bolts 3 are arranged on the pull plate 2 .

[0025] The lifting ring is assembled with the lifting lug on the matching ladle, so it is convenient to hang and withdraw the ladle. After the lifting device is worn, the lifting ring 4 can be quickly replaced by disassembling the pin 1 and the positioning bolt 3, so that the maintenance and update of the lifting device can be achieved.

[0026] The utility model discloses a large-tonnage lifting ring type four-lifting point molten steel ladle lifting device, which is convenient for hanging the ladle, has good force bearing, higher reliability, stronger interchangeability and higher maintenance efficiency.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that those skilled in the art can make several changes and improvements without departing from the overall concept of the present invention, and these should also be regarded as the protection scope of the present invention.

Claims

1. A large-tonnage lifting ring type four-point ladle lifting device, characterized in that: It comprises a lifting ring assembly and a matching ladle (7) below; the lifting ring assembly comprises a pull plate (2), a pin shaft (1) is arranged on the top of the pull plate (2), and the lifting ring assembly is connected to the lifting device cross beam (9) through the pin shaft (1); the lower part of the pull plate (2) is connected to the lifting ring (4) through at least one positioning bolt (3), the lifting ring (4) is connected to the matching ladle (7), and a lifting ear (8) is arranged on the matching ladle (7), and the lifting ring (4) is connected to the lifting ear (8); The lifting ring (4) comprises a connecting plate (6) at the top and an annular body at the bottom, wherein the connecting plate (6) is provided with a plurality of positioning holes, and each positioning hole is correspondingly connected to a positioning bolt (3).

2. A large-tonnage lifting ring type four-lifting point ladle lifting device according to claim 1, characterized in that: A pin shaft hole (5) is provided at the top of the pull plate (2), and the pin shaft (1) is located in the pin shaft hole.

3. The large-tonnage lifting ring type four-lifting point ladle lifting device according to claim 1 is characterized in that: Three positioning bolts (3) are arranged on the pull plate (2).

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