Quenching lifting device for steel smelting

Abstract

The utility model relates to the technical field of iron and steel smelting, and discloses a quenching lifting device for iron and steel smelting, which comprises a lifting table fixing plate and a smelting furnace placement mechanism, the top of the lifting table fixing plate is fixedly connected with a limiting rod, and the outer wall of the limiting rod is sleeved with a lifting bearing plate; the inner wall of the lifting bearing plate is fixedly connected with a cooking range placement device, the inner wall of the cooking range placement device is fixedly connected with internal limiting columns, the internal limiting columns are symmetrically distributed on the inner wall of the cooking range placement device, a movable door plate is arranged on the outer wall of the cooking range placement device, and the cooking range placement device is rotationally connected with the movable door plate. According to the quenching lifting device for iron and steel smelting, the smelting furnace placement mechanism is arranged on the device, so that the protection effect of the device on a cooking range is improved, meanwhile, the situation that a solution in the cooking range splashes down due to the fact that the cooking range shifts in the lifting process can be effectively avoided by arranging an internal limiting column, and therefore the safety of the device is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of steel smelting, in particular to a quenching hoisting device for steel smelting. Background Art

[0002] The quenching process of steel is to first heat the steel to above the critical temperature and keep it at this temperature for a period of time so that the steel is completely or partially austenitized. After the insulation process is over, the steel is placed in a certain environment so that the steel is rapidly cooled at a rate greater than the critical cooling rate, causing a significant change in the performance of the steel, that is, martensitic transformation. The purpose of quenching is to significantly improve the strength, hardness, wear resistance, fatigue strength and toughness of the steel, so as to meet the different use requirements of various mechanical parts and tools. Quenching can meet the special physical and chemical properties of some special steels, such as ferromagnetism and corrosion resistance.

[0003] The existing steel quenching lifting device can refer to the Chinese utility model patent with the authorization announcement number CN206814296U, which discloses a steel quenching lifting device, which relates to the field of steel processing technology. It includes a quenching pool assembly arranged horizontally at the bottom, a vertical beam assembly vertically fixed to the right side of the quenching pool assembly; a boom assembly vertically fixed to the vertical beam assembly on the right side; a gripper assembly installed at the left end of the boom assembly; the quenching pool assembly includes a quenching pool body located on the left side and a support frame located on the right side; the right side of the quenching pool body is fixedly connected to the left end of the support frame.

[0004] When the above equipment is in use, the equipment can be raised and lowered by means of the grab assembly installed at the left end of the boom assembly. At the same time, when the equipment is raised and lowered, its exterior is prone to collision with the device, thereby causing damage to the equipment. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a quenching lifting device for steel smelting, which has the advantages of strong practicability and good stability, and solves the problem of equipment being damaged by collision with the outside of the equipment during lifting.

[0006] The utility model provides the following technical solutions: a quenching lifting device for steel smelting, comprising a lifting platform fixing plate and a smelting furnace placement mechanism, the top of the lifting platform fixing plate is fixedly connected to a limiting rod, the outer wall of the limiting rod is sleeved with a lifting load-bearing plate, the inner wall of the lifting load-bearing plate is fixedly connected to a stove placement device, the inner wall of the stove placement device is fixedly connected to internal limiting columns, and the internal limiting columns are symmetrically distributed on the inner wall of the stove placement device, the outer wall of the stove placement device is provided with a movable door panel, the stove placement device is rotatably connected to the movable door panel, and the stove placement device is fixedly connected to a bottom discharge pipe on the side away from the internal limiting column.

[0007] As a preferred technical solution of the utility model, the top of the lifting platform fixing plate is fixedly connected to an external support plate, the top of the external support plate is fixedly connected to a top isolation plate, and the outer wall of the top isolation plate is provided with a socket slot.

[0008] As a preferred technical solution of the utility model, a placement groove is provided on the top of the lifting platform fixing plate, and a protective buffer mechanism is provided inside the placement groove.

[0009] As a preferred technical solution of the utility model, the outer wall of the mounting groove is fixedly connected with a movable sleeve, the inner wall of the movable sleeve is sleeved with a buffer contact head, the outer wall of the buffer contact head is sleeved with a reset spring, and the diameter of the reset spring is much smaller than the diameter of the buffer contact head.

[0010] As a preferred technical solution of the utility model, the bottom of the lifting platform fixing plate is fixedly connected to a limiting base, and the number of the limiting bases is four and they are symmetrically distributed on the bottom of the lifting platform fixing plate.

[0011] As a preferred technical solution of the utility model, the outer wall of the external support plate is fixedly connected with a single-chip microcomputer controller, the top of the external support plate is fixedly connected with a lifting drive motor, and the single-chip microcomputer controller and the lifting drive motor are electrically connected.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The quenching lifting device for steel smelting improves the protection effect of the equipment on the stove by arranging a smelting furnace placement mechanism on the equipment. At the same time, the internal limit column can also effectively prevent the stove from shifting during the lifting process, causing the solution inside it to splash, thereby enhancing the safety of the equipment.

[0014] 2. The quenching lifting device for steel smelting is equipped with a protective buffer mechanism so that the device can effectively relieve the pressure received by the stove placement device when it is descending. The pressure can be effectively relieved by the reset spring and the buffer contact head. At the same time, the setting of the placement groove can also effectively avoid the displacement of its position. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a quenching lifting device for steel smelting;

[0016] Figure 2 This is a left view of a quenching lifting device for steel smelting;

[0017] Figure 3 It is a structural schematic diagram of a smelting furnace placement mechanism in a quenching lifting device for steel smelting;

[0018] Figure 4 for Figure 2 A magnified view of the structure in the middle.

[0019] In the figure: 1. lifting platform fixing plate; 2. limiting base; 3. external support plate; 4. lifting drive motor; 5. top isolation plate; 6. limiting rod; 7. lifting load-bearing plate; 8. placement groove; 9. smelting furnace placement mechanism; 91. stove placement device; 92. internal limiting column; 93. movable door panel; 94. bottom discharge pipe; 10. socket slot; 11. single-chip microcomputer controller; 12. protective buffer mechanism; 121. movable shaft sleeve; 122. reset spring; 123. buffer contact head. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-4A quenching lifting device for steel smelting includes a lifting platform fixing plate 1 and a smelting furnace placement mechanism 9. The top of the lifting platform fixing plate 1 is fixedly connected to a limit rod 6. The outer wall of the limit rod 6 is sleeved with a lifting load-bearing plate 7. The inner wall of the lifting load-bearing plate 7 is fixedly connected to a stove placement device 91. The inner wall of the stove placement device 91 is fixedly connected to an internal limit column 92, and the internal limit columns 92 are symmetrically distributed on the inner wall of the stove placement device 91. The outer wall of the stove placement device 91 is provided with a movable door panel 93. The stove placement device 91 is rotatably connected to the movable door panel 93. The stove placement device 91 is fixedly connected to the inner wall of the stove placement device 91. It is connected to a bottom discharge pipe 94, and the paired internal limiting columns 92 can limit the furnace placed in the stove placement device 91, and can also effectively prevent the furnace from shifting when the stove placement device 91 is lifted. The top of the lifting platform fixing plate 1 is fixedly connected to the external support plate 3, and the top of the external support plate 3 is fixedly connected to the top isolation plate 5. The outer wall of the top isolation plate 5 is provided with a socket card groove 10. The setting of the socket card groove 10 can facilitate the lifting and placement of the stove placement device 91. The top of the lifting platform fixing plate 1 is provided with a placement groove 8, and the interior of the placement groove 8 is provided with a protective buffer mechanism 12. The arrangement of the placement groove 8 can provide a storage position for the stove placement device 91 after it is lowered. The outer wall of the placement groove 8 is fixedly connected with a movable sleeve 121, and the inner wall of the movable sleeve 121 is sleeved with a buffer contact head 123. The outer wall of the buffer contact head 123 is sleeved with a return spring 122. The diameter of the return spring 122 is much smaller than the diameter of the buffer contact head 123, wherein the diameter of the return spring 122 is much smaller than the diameter of the buffer contact head 123, so that the buffer contact head 123 is not easy to separate from the return spring 122 when it is pressed down by force. The bottom of the lifting platform fixed plate 1 is fixedly connected to the limited position base 2. There are four limit bases 2 and they are symmetrically distributed at the bottom of the lifting platform fixed plate 1, wherein the limit base 2 can provide a stable supporting force for the equipment and can provide a slight supporting force when it is working. The outer wall of the external support plate 3 is fixedly connected with a single-chip controller 11, and the top of the external support plate 3 is fixedly connected with a lifting drive motor 4. The single-chip controller 11 is electrically connected to the lifting drive motor 4, and the control chip in the single-chip controller 11 can directly control the chip in the lifting drive motor 4, so that the operator can directly control the operation of the equipment by pressing the single-chip controller 11.

[0022] Working principle: when the device is needed, a smelting furnace placement mechanism 9 is provided on the device, so that the protective effect of the device on the stove is improved. At the same time, the internal limit column 92 is provided, which can effectively prevent the stove from shifting during the lifting process and causing the solution inside to splash, thereby enhancing the safety of the device. At the same time, a protective buffer mechanism 12 is provided on the device, so that the device can effectively relieve the pressure received by the stove placement device 91 when it is descending, wherein the pressure can be effectively relieved by the reset spring 122 and the buffer contact head 123. At the same time, the setting of the placement groove 8 can also effectively prevent its position from shifting.

[0023] 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 quenching lifting device for steel smelting, comprising a lifting platform fixing plate (1) and a smelting furnace placement mechanism (9), characterized in that: The top of the lifting platform fixing plate (1) is fixedly connected to a limit rod (6), the outer wall of the limit rod (6) is sleeved with a lifting load-bearing plate (7), the inner wall of the lifting load-bearing plate (7) is fixedly connected to a stove placement device (91), the inner wall of the stove placement device (91) is fixedly connected to internal limit columns (92), and the internal limit columns (92) are symmetrically distributed on the inner wall of the stove placement device (91), the outer wall of the stove placement device (91) is provided with a movable door panel (93), the stove placement device (91) and the movable door panel (93) are rotatably connected, and the stove placement device (91) is fixedly connected to a bottom discharge pipe (94) on a side away from the internal limit columns (92).

2. A quenching lifting device for steel smelting according to claim 1, characterized in that: The top of the lifting platform fixing plate (1) is fixedly connected to an external support plate (3), the top of the external support plate (3) is fixedly connected to a top isolation plate (5), and the outer wall of the top isolation plate (5) is provided with a socket slot (10).

3. The quenching lifting device for steel smelting according to claim 1, characterized in that: A placement groove (8) is provided at the top of the lifting platform fixing plate (1), and a protection buffer mechanism (12) is provided inside the placement groove (8).

4. A quenching lifting device for steel smelting according to claim 3, characterized in that: A movable shaft sleeve (121) is fixedly connected to the outer wall of the placement groove (8), a buffer contact head (123) is sleeved on the inner wall of the movable shaft sleeve (121), a return spring (122) is sleeved on the outer wall of the buffer contact head (123), and the diameter of the return spring (122) is much smaller than the diameter of the buffer contact head (123).

5. The quenching lifting device for steel smelting according to claim 1, characterized in that: The bottom of the lifting platform fixing plate (1) is fixedly connected to a limiting base (2), and the limiting bases (2) are four in number and symmetrically distributed at the bottom of the lifting platform fixing plate (1).

6. A quenching lifting device for steel smelting according to claim 2, characterized in that: A single-chip microcomputer controller (11) is fixedly connected to the outer wall of the external support plate (3), a lifting drive motor (4) is fixedly connected to the top of the external support plate (3), and the single-chip microcomputer controller (11) is electrically connected to the lifting drive motor (4).

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