Device for automatically loading and unloading oxygen lance

Abstract

The utility model relates to the technical field of oxygen lances, in particular to an oxygen lance automatic loading and unloading device which comprises a platform and further comprises an oxygen lance placing seat arranged at the top of the platform, placing holes are formed in the inner wall of the oxygen lance placing seat, and a lifting mechanism used for driving an oxygen lance to move up and down is arranged at the top of the platform. A lifting mechanism is arranged on the top of the platform, a moving mechanism used for automatically ascending and descending the oxygen lance is arranged on one side of the lifting mechanism, a damping mechanism used for improving the stability when the oxygen lance ascends and descends is arranged at the bottom of the moving mechanism, and the lifting mechanism comprises two symmetrical lifting rails fixed to the top of the platform. The inner wall of the sliding groove is connected with a sliding block in a sliding mode, and a lifting plate is fixed to one side of the sliding block, so that the problems that although oxygen lance quick replacement is improved in recent years, personnel need to go up and down the oxygen lance, complete unmanned operation is not achieved, safety risks exist in high-span operation of the personnel, meanwhile, the labor intensity of the personnel is reduced, and the working efficiency is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of oxygen guns, in particular to a device for automatically raising and lowering an oxygen gun. Background Art

[0002] The converter oxygen lance is a device used to blow oxygen into the converter during the steelmaking process. In the converter steelmaking process, the oxygen lance plays a vital role. It injects high-pressure oxygen into the molten steel in a specific spraying manner to promote the reduction reaction of metal oxides and increase the temperature in the furnace, thereby achieving the purpose of improving smelting efficiency and reducing energy consumption. The converter oxygen lance generally consists of three parts: the gun body, the nozzle and the gun tail. In actual production, in order to improve the service life and blowing effect of the oxygen lance, some special designs and materials are usually adopted, such as using high temperature resistant and corrosion resistant materials to make the nozzle, or using a multi-stage nozzle design to optimize the oxygen injection effect. In converter steelmaking, the converter oxygen lance needs to be maintained.

[0003] Due to the high gas content in the high span of converter steelmaking and the high dust content in the environment, the maintenance personnel have a heavy workload and face great risks when operating at high spans. Although the oxygen lance quick change has been modified in recent years, personnel are still needed to get on and off the oxygen lance, and completely unmanned operation has not been achieved, resulting in safety risks for personnel operating at high spans, while also reducing the labor intensity of personnel and work efficiency. Utility Model Content

[0004] The utility model aims to provide a device for automatically raising and lowering an oxygen gun, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a device for automatically raising and lowering an oxygen gun, comprising a platform, and also comprising:

[0006] An oxygen gun placement seat is arranged on the top of the platform, and a placement hole is opened on the inner wall of the oxygen gun placement seat. A lifting mechanism for driving the oxygen gun to move up and down is arranged on the top of the platform, and a moving mechanism for automatically moving the oxygen gun up and down is arranged on one side of the lifting mechanism. A shock absorbing mechanism for improving the stability of the oxygen gun when it is raised and lowered is arranged at the bottom of the moving mechanism.

[0007] Preferably, the lifting mechanism comprises two symmetrical lifting rails fixed to the top of the platform, a slide groove is provided on one side of the lifting rail, a slider is slidably connected to the inner wall of the slide groove, and a lifting plate is fixed to one side of the slider.

[0008] Preferably, a motor is fixed on the top of the lifting plate, a driving gear is fixed on the output end of the motor, the outer side of the driving gear is meshedly connected with a driven gear, the outer side of the driven gear is meshedly connected with a toothed plate, and the toothed plate is fixed to one side of the lifting track.

[0009] Preferably, a rotating shaft is fixed at the axis center of the driven gear, one end of the rotating shaft is rotatably connected to a support seat, and the support seat is fixed to the top of the lifting plate.

[0010] Preferably, the moving mechanism comprises a frame fixed to one side of the lifting plate, a cylinder is fixed to the inner wall of the frame, an oxygen gun body is fixed to the piston rod of the cylinder, and the oxygen gun body is plugged into the inner wall of the placement hole.

[0011] Preferably, the shock absorbing mechanism includes fixed buffers fixed to the four corners of the bottom of the frame, a pressure plate is fixed to the bottom of the fixed buffer, a bearing plate is provided at the bottom of the pressure plate, a spring is fixed to the bottom of the bearing plate, and the spring is fixed to the top of the platform.

[0012] Preferably, a damping seat is provided inside the spring, the damping seat is fixed to the top of the platform, the inner wall of the damping seat is slidably connected with a damping rod, and the damping rod is fixed to the bottom of the bearing plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model solves the problem that manual operation is required for raising and lowering the oxygen lance for steelmaking in the converter by arranging a lifting mechanism and a moving mechanism, and at the same time solves the risk of gas poisoning caused by the need for personnel to go up the high span of the converter to raise and lower the oxygen lance, reduces the labor intensity of personnel replacing the oxygen lance, avoids safety problems such as gas poisoning, object impact, and falling related to the oxygen lance replacement operation, realizes automatic raising and lowering of the oxygen lance, avoids the safety risk caused by personnel going up the high span, and at the same time reduces the labor intensity of personnel and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A structural schematic diagram of a preferred embodiment of the oxygen lance automatic upper and lower gun device provided by the utility model;

[0016] Figure 2 A schematic diagram of the structure of the lifting mechanism provided by the utility model;

[0017] Figure 3 A schematic diagram of the structure of the mobile mechanism provided by the utility model;

[0018] Figure 4 This is a structural schematic diagram of the shock absorbing mechanism provided by the utility model.

[0019] In the figure: 1. platform; 2. oxygen gun placement seat; 3. placement hole; 4. lifting mechanism; 41. lifting track; 42. slide groove; 43. slider; 44. lifting plate; 45. motor; 46. driving gear; 47. driven gear; 48. gear plate; 49. rotating shaft; 410. supporting seat; 5. moving mechanism; 51. frame; 52. cylinder; 53. oxygen gun body; 6. shock absorbing mechanism; 61. fixed buffer; 62. pressure plate; 63. bearing plate; 64. spring; 65. damping seat; 66. damping rod. DETAILED DESCRIPTION

[0020] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0021] See also Figure 1-4 As shown, a device for automatically raising and lowering an oxygen lance comprises a platform 1, by which a lifting rail 41 and an oxygen lance placement seat 2 can be installed; it also comprises an oxygen lance placement seat 2 arranged on the top of the platform 1, by which an oxygen lance body 53 can be placed; a placement hole 3 is opened on the inner wall of the oxygen lance placement seat 2, by which the placement hole 3 is arranged, the oxygen lance body 53 can be placed inside it; a lifting mechanism 4 for driving the oxygen lance to move up and down is arranged on the top of the platform 1, by which the lifting mechanism 4 can drive the oxygen lance body 53 to move up and down; a moving mechanism 5 for automatically raising and lowering the oxygen lance is arranged on one side of the lifting mechanism 4, by which the moving mechanism 5 can drive the oxygen lance body 53 to move left and right, so that the oxygen lance body 53 is inserted into the placement hole 3, and the automatic raising and lowering of the lance is completed; a shock absorbing mechanism 6 for improving the stability of the oxygen lance when raising and lowering the oxygen lance is arranged at the bottom of the moving mechanism 5, by which the shock absorbing mechanism 6 can be arranged to facilitate the moment when the oxygen lance body 53 falls into the parallel point of the placement hole 3, improve the shock absorbing effect, and avoid damage to the oxygen lance body 53.

[0022] See also Figure 1 and Figure 2As shown, the lifting mechanism 4 includes two symmetrical lifting rails 41 fixed on the top of the platform 1, and the lifting rails 41 are provided to facilitate the support of the lifting plate 44 to move up and down; a slide groove 42 is provided on one side of the lifting rail 41, and the slide groove 42 is provided to facilitate the sliding of the slider 43 on its inner wall; the inner wall of the slide groove 42 is slidably connected with the slider 43, and the lifting plate 44 can be connected by providing the slider 43; a lifting plate 44 is fixed on one side of the slider 43, and the lifting plate 44 can drive the frame 51 to move up and down, thereby driving the oxygen gun body 53 to move up and down; a motor 45 is fixed on the top of the lifting plate 44, and the motor 45 can drive the driving gear 46 to rotate; a driving gear 46 is fixed on the output end of the motor 45, and the driving gear 46 can drive The driven gear 47 rotates; the outer side of the driving gear 46 is meshedly connected with the driven gear 47, and the driven gear 47 can be meshedly connected with the toothed plate 48 by setting it, so that when the driven gear 47 rotates, the lifting plate 44 moves up and down; the outer side of the driven gear 47 is meshedly connected with the toothed plate 48, and the toothed plate 48 is fixed to one side of the lifting track 41. By setting the toothed plate 48, the lifting track 41 can be connected to facilitate the movement of the lifting plate 44 on the lifting track 41; a rotating shaft 49 is fixed at the axis of the driven gear 47, and the driven gear 47 can be limited by setting the rotating shaft 49 to improve its rotation stability; one end of the rotating shaft 49 is rotatably connected to a support seat 410, and the support seat 410 is fixed to the top of the lifting plate 44, and the rotating shaft 49 can be supported to rotate by setting the support seat 410.

[0023] See also Figure 2 and Figure 3 As shown, the moving mechanism 5 includes a frame 51 fixed to one side of the lifting plate 44, and a cylinder 52 can be placed by setting the frame 51; the inner wall of the frame 51 is fixed with a cylinder 52, and the oxygen gun body 53 can be driven to move left and right by setting the cylinder 52; the piston rod of the cylinder 52 is fixed with an oxygen gun body 53, and the oxygen gun body 53 is inserted into the inner wall of the placement hole 3, and the oxygen gun body 53 is used for production and processing work.

[0024] See also Figure 1 , Figure 2 and Figure 4As shown, the shock absorbing mechanism 6 includes a fixed buffer 61 fixed to the four corners of the bottom of the frame 51. By setting the fixed buffer 61, when the frame 51 descends, the pressure plate 62 can contact the supporting plate 63 to stop the frame 51 from descending; a pressure plate 62 is fixed to the bottom of the fixed buffer 61, and a supporting plate 63 is set at the bottom of the pressure plate 62. By setting the supporting plate 63, the pressure plate 62 can be supported; a spring 64 is fixed to the bottom of the supporting plate 63, and the spring 64 is fixed to the top of the platform 1. By setting the spring 64, the shock absorbing and buffering effect of the frame 51 at the moment of stopping can be improved through its own elastic force; a damping seat 65 is set inside the spring 64, and the damping seat 65 is fixed to the top of the platform 1. The inner wall of the damping seat 65 is slidably connected with a damping rod 66, and the damping rod 66 is fixed to the bottom of the supporting plate 63. By setting the damping rod 66 to slide in the damping seat 65, the stability of the extension and retraction of the spring 64 can be improved.

[0025] Working principle: the worker starts the cylinder 52 to drive the oxygen gun body 53 to move, so that the oxygen gun body 53 is automatically taken out from the placement hole 3, and then turns on the motor 45 to drive the active gear 46 to rotate, and the active gear 46 drives the driven gear 47 to rotate. The driven gear 47 can be meshed and connected with the tooth plate 48, so that when the driven gear 47 rotates, the lifting plate 44 moves up, and the tooth plate 48 is fixed to one side of the lifting track 41. By setting the tooth plate 48, the lifting track 41 can be connected to facilitate the movement of the lifting plate 44 on the lifting track 41. The lifting plate 44 moves up and drives the oxygen gun body 53 to move up. After the use of the oxygen gun body 53 is completed, the motor 45 is started in the reverse direction to move the lifting plate 44 downward, driving the oxygen gun body 53 downward, and then the cylinder 52 is started to drive the oxygen gun body 53 to move, so that the oxygen gun body 53 is inserted into the placement hole 3, and the operation of automatically raising and lowering the gun is completed.

[0026] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A device for automatically raising and lowering an oxygen lance, comprising a platform (1), characterized in that: Also includes: An oxygen gun placement seat (2) is arranged on the top of the platform (1), and a placement hole (3) is provided on the inner wall of the oxygen gun placement seat (2). A lifting mechanism (4) for driving the oxygen gun to move up and down is arranged on the top of the platform (1), and a moving mechanism (5) for automatically moving the oxygen gun up and down is arranged on one side of the lifting mechanism (4), and a shock absorbing mechanism (6) for improving the stability of the oxygen gun when it is moved up and down is arranged at the bottom of the moving mechanism (5).

2. The device for automatically raising and lowering an oxygen lance according to claim 1, characterized in that: The lifting mechanism (4) comprises two symmetrical lifting rails (41) fixed to the top of the platform (1), a sliding groove (42) is provided on one side of the lifting rail (41), a sliding block (43) is slidably connected to the inner wall of the sliding groove (42), and a lifting plate (44) is fixed on one side of the sliding block (43).

3. The device for automatically raising and lowering an oxygen lance according to claim 2, characterized in that: A motor (45) is fixed on the top of the lifting plate (44), a driving gear (46) is fixed on the output end of the motor (45), the outer side of the driving gear (46) is meshedly connected with a driven gear (47), the outer side of the driven gear (47) is meshedly connected with a toothed plate (48), and the toothed plate (48) is fixed to one side of the lifting track (41).

4. The device for automatically raising and lowering an oxygen lance according to claim 3 is characterized in that: A rotating shaft (49) is fixed at the axis of the driven gear (47), one end of the rotating shaft (49) is rotatably connected to a support seat (410), and the support seat (410) is fixed to the top of the lifting plate (44).

5. The device for automatically raising and lowering an oxygen lance according to claim 2, characterized in that: The moving mechanism (5) comprises a frame (51) fixed to one side of the lifting plate (44), a cylinder (52) being fixed to the inner wall of the frame (51), an oxygen gun body (53) being fixed to the piston rod of the cylinder (52), and the oxygen gun body (53) being plugged into the inner wall of the placement hole (3).

6. The device for automatically raising and lowering an oxygen lance according to claim 5, characterized in that: The shock absorbing mechanism (6) comprises a fixed buffer (61) fixed to the four corners of the bottom of the frame (51), a pressure plate (62) is fixed to the bottom of the fixed buffer (61), a bearing plate (63) is arranged at the bottom of the pressure plate (62), a spring (64) is fixed to the bottom of the bearing plate (63), and the spring (64) is fixed to the top of the platform (1).

7. The device for automatically raising and lowering an oxygen lance according to claim 6, characterized in that: A damping seat (65) is arranged inside the spring (64), and the damping seat (65) is fixed to the top of the platform (1). The inner wall of the damping seat (65) is slidably connected to a damping rod (66), and the damping rod (66) is fixed to the bottom of the bearing plate (63).

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