CN211110925U

CN211110925U - Equipment for maintaining vertical oxygen lance

Info

Publication number: CN211110925U
Application number: CN201921920637.7U
Authority: CN
Inventors: 杨昆; 郭华; 张丹筠; 王冰琪
Original assignee: Shanxi Tongcai Industry and Trade Co Ltd
Current assignee: Shanxi Tongcai Industry and Trade Co Ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-07-28
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses equipment for maintaining a vertical oxygen lance, which comprises an oxygen lance fixing disc and an oxygen lance maintenance platform shell, wherein a lifting platform is arranged below the right side of the oxygen lance maintenance platform shell, which is close to the middle position, and a fixing platform is arranged above the lifting platform; the utility model provides a vertical oxygen rifle maintenance method, can directly hang the oxygen rifle of lower line to new vertical oxygen rifle maintenance position, maintain, the oxygen rifle has been reduced and has been followed the state of erectting to the state of crouching and has been transported the step, reduce the oxygen rifle time of lower line again, the manpower can be practiced thrift when changing the oxygen rifle head in vertical oxygen rifle maintenance, single can independently accomplish the change, and be provided with the elevating platform that can oscilaltion on the maintenance platform, make things convenient for the staff to overhaul the optional position of oxygen rifle, can rotate the oxygen rifle through the bearing that sets up simultaneously and change and detect to suitable position, not only make things convenient for the staff to overhaul the change of oxygen rifle, and save time, and the operating efficiency is improved.

Description

Equipment for maintaining vertical oxygen lance

Technical Field

The utility model relates to the technical field of metallurgy, especially, relate to an equipment of vertical oxygen rifle maintenance.

Background

The oxygen lance is indispensable equipment in the production process of converter steelmaking, consists of a lance head, a lance body and a lance tail, generally vertically works on a converter platform with the height of dozens of meters, and the oxygen lance works in the molten steel of the converter and has extremely bad working condition, so parts of the oxygen lance, particularly the lance head in the highest temperature zone in the converter, need to be frequently maintained and replaced to ensure the high quality of converter steelmaking products and the production safety.

The traditional horizontal oxygen lance maintenance needs to take a fault oxygen lance off-line and then lift the fault oxygen lance to an oxygen lance maintenance platform for maintenance, which wastes time and needs an independent oxygen lance maintenance platform, thus causing space waste.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having traditional horizontal oxygen rifle maintenance among the prior art and need be off-line with trouble oxygen rifle, then hang to oxygen rifle maintenance platform and maintain, not only the waste time and need independent oxygen rifle maintenance platform, cause the waste in space, converter oxygen rifle maintenance establishes independent oxygen rifle maintenance area at converter nineteen meters platform now, the oxygen rifle that rolls off the production line need use and erects the position and hang to oxygen rifle maintenance platform, it hangs to oxygen rifle maintenance station to lie down to place the reuse capable car, occupy plenty of time and space, need hang the oxygen rifle to erect the position again after the maintenance finishes for use, bring inconvenient shortcoming for processing production, and the equipment of a vertical oxygen rifle maintenance of proposing.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a vertical oxygen lance maintenance device comprises an oxygen lance fixing disc and an oxygen lance maintenance platform outer shell, wherein a lifting table is arranged below the right side of the oxygen lance maintenance platform outer shell close to the middle position, a fixed platform is arranged above the lifting table, an oxygen lance tail is arranged above the fixed platform, an oxygen inlet pipe is arranged inside the oxygen lance tail, an oxygen lance fixing disc is arranged at the middle position of the oxygen lance tail, a flange plate is arranged below the oxygen lance fixing disc and on the oxygen lance tail, a water inlet pipe is arranged below the flange plate, a water outlet pipe is arranged below the water inlet pipe, a sealing rubber ring is arranged between the water inlet pipe and the water outlet pipe and at the inner position of the oxygen lance tail, an oxygen lance body is arranged below the oxygen lance tail, an oxygen lance outer pipe is arranged outside the oxygen lance body, and an oxygen lance middle pipe is arranged inside the oxygen lance outer pipe, an oxygen lance inner pipe is arranged inside the oxygen lance middle pipe, an oxygen lance nozzle is arranged below the oxygen lance body, a protective guard is arranged on the lifting platform, a hydraulic shaft is arranged below the lifting platform, a fixed disc through hole is formed in the middle of the oxygen lance fixed disc, a fixed bearing is arranged above the fixed disc through hole, and a fixed rope is arranged on the fixed bearing.

Preferably, the hydraulic shafts are arranged in two groups, the two groups of hydraulic shafts are uniformly arranged below the lifting platform, and the lifting platform is connected with the outer shell of the oxygen lance maintenance platform in a lifting manner through the hydraulic shafts.

Preferably, the oxygen lance fixing disk is fixedly connected with the oxygen lance tail through a fixing disk through hole and four groups of fixing ropes, and the four groups of fixing ropes are uniformly distributed on the oxygen lance fixing disk.

Preferably, one end of the fixing rope is welded and fixed with the oxygen lance fixing disc, and the other end of the fixing rope is welded and fixed with the fixing bearing.

Preferably, the oxygen lance tail is rotatably connected with the oxygen lance fixed disk through a fixed bearing.

Preferably, the two groups of flange plates are arranged on the tail of the oxygen lance, and the flange plates are fixedly welded with the tail of the oxygen lance.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization, the utility model provides a vertical oxygen rifle maintenance method, can directly hang the oxygen rifle of lower line to new vertical oxygen rifle maintenance position, maintain, the oxygen rifle has been reduced from erect the state to the state of crouching and has been transported the step, it is online time again to reduce the oxygen rifle to roll off the line simultaneously, vertical oxygen rifle maintenance can practice thrift the manpower when changing the oxygen rifle head, single can independently accomplish the change, and be provided with the elevating platform that can the oscilaltion on maintenance platform, make things convenient for the staff to overhaul the optional position of oxygen rifle, can rotate suitable position to the oxygen rifle simultaneously through the bearing that sets up and change and detect, not only make things convenient for the staff to overhaul the change of oxygen rifle, and save time, the operating efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limitation. In the drawings:

fig. 1 is a schematic front structural view of the present invention;

FIG. 2 is a schematic view of the structure of the outer shell of the oxygen lance maintenance platform of the present invention;

FIG. 3 is a schematic view of the structure of an oxygen lance fixing disk of the present invention;

FIG. 4 is an enlarged schematic view of the fixed bearing of the present invention;

in the figure: 1-oxygen lance fixed disk, 2-oxygen inlet pipe, 3-oxygen lance tail, 4-water inlet pipe, 5-water outlet pipe, 6-oxygen lance body, 7-oxygen lance outer pipe, 8-oxygen lance middle pipe, 9-oxygen lance inner pipe, 10-oxygen lance nozzle, 11-oxygen lance maintenance platform outer shell, 12-lifting platform, 13-fixed platform, 14-sealing rubber ring, 15-flange plate, 16-hydraulic shaft, 17-protective fence, 18-fixed rope, 19-fixed disk through hole and 20-fixed bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example (b): referring to fig. 1-4, the utility model provides a technical solution of a vertical oxygen lance maintenance device: comprises an oxygen lance fixing disk 1 and an oxygen lance maintenance platform outer shell 11, wherein a lifting platform 12 is arranged below the right side of the oxygen lance maintenance platform outer shell 11 close to the middle position, a fixed platform 13 is arranged above the lifting platform 12, an oxygen lance tail 3 is arranged above the fixed platform 13, an oxygen inlet pipe 2 is arranged inside the oxygen lance tail 3, the oxygen lance fixing disk 1 is arranged at the middle position of the oxygen lance tail 3, a flange 15 is arranged below the oxygen lance fixing disk 1 on the oxygen lance tail 3, a water inlet pipe 4 is arranged below the flange 15, a water outlet pipe 5 is arranged below the water inlet pipe 4, a sealing rubber ring 14 is arranged between the water inlet pipe 4 and the water outlet pipe 5 at the inner position of the oxygen lance tail 3, an oxygen lance body 6 is arranged below the oxygen lance tail 3, an oxygen lance outer pipe 7 is arranged outside the oxygen lance body 6, a middle pipe 8 is arranged inside the oxygen lance outer pipe 7, an oxygen lance inner pipe 9 is arranged in an oxygen lance middle pipe 8, an oxygen lance nozzle 10 is arranged below an oxygen lance body 6, a guard rail 17 is arranged on a lifting platform 12, a hydraulic shaft 16 is arranged below the lifting platform 12, a fixed disc through hole 19 is arranged in the middle of an oxygen lance fixed disc 1, a fixed bearing 20 is arranged above the fixed disc through hole 19, and a fixed rope 18 is arranged on the fixed bearing 20.

In order to ensure that the lifting platform 12 can stably lift on the oxygen lance maintenance platform outer shell 11 through the hydraulic shaft 16, the maintenance and the replacement of the oxygen lance by workers are facilitated, the maintenance and the replacement time is saved, and the access operation is facilitated, in the embodiment, the optimized hydraulic shafts 16 are provided with two groups, the two groups of hydraulic shafts 16 are uniformly arranged below the lifting platform 12, and the lifting platform 12 is connected with the oxygen lance maintenance platform outer shell 11 through the hydraulic shafts 16 in a lifting manner.

In order to fix the oxygen lance fixing disk 1 and the oxygen lance tail 3 stably and ensure that the stress on the oxygen lance fixing disk 1 is uniform, in the embodiment, the preferable oxygen lance fixing disk 1 and the oxygen lance tail 3 are fixedly connected through a fixing disk through hole 19 and fixing ropes 18, the fixing ropes 18 are provided with four groups, and the four groups of fixing ropes 18 are uniformly distributed on the oxygen lance fixing disk 1.

In order to ensure that the fixing rope 18 is stably installed and the oxygen lance is conveniently fixed, in the embodiment, one end of the fixing rope 18 is preferably welded and fixed with the oxygen lance fixing disc 1, and the other end of the fixing rope 18 is preferably welded and fixed with the fixing bearing 20.

In order to ensure that the oxygen lance can be rotated by workers after the oxygen lance is fixed and the oxygen lance is convenient to overhaul and replace, in the embodiment, the optimized oxygen lance tail 3 is rotatably connected with the oxygen lance fixed disk 1 through the fixed bearing 20.

In order to ensure the stability and the safety of the oxygen lance fixation, two groups of flange plates 15 are arranged, and the flange plates 15 and the oxygen lance tail 3 are fixed by welding.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back well, the staff fixes the back with the oxygen rifle through oxygen rifle fixed disk 1 and fixed equipment, directly erect the oxygen rifle and hang to oxygen rifle maintenance platform shell body region, the staff can stand and directly carry out vertical maintenance change to the oxygen rifle on elevating platform 12, protect staff's operation safety through rail guard 17, adjust the height of elevating platform 12 through hydraulic pressure axle 16, the convenience is examined the optional position of oxygen rifle, the staff can rotate the oxygen rifle through fixing bearing 20, the convenience carries out omnidirectional maintenance or change to the oxygen rifle, the oxygen rifle is maintained finishing the back, directly hang to erect the position reserve can.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an equipment of vertical oxygen rifle maintenance, includes oxygen rifle fixed disk (1) and oxygen rifle maintenance platform shell body (11), its characterized in that: a lifting platform (12) is arranged below the right side of the oxygen lance maintenance platform outer shell (11) close to the middle position, a fixed platform (13) is arranged above the lifting platform (12), an oxygen lance tail (3) is arranged above the fixed platform (13), an oxygen inlet pipe (2) is arranged inside the oxygen lance tail (3), an oxygen lance fixed disk (1) is arranged at the middle position of the oxygen lance tail (3), a flange plate (15) is arranged below the oxygen lance fixed disk (1) and on the oxygen lance tail (3), a water inlet pipe (4) is arranged below the flange plate (15), a water outlet pipe (5) is arranged below the water inlet pipe (4), a sealing rubber ring (14) is arranged between the water inlet pipe (4) and the water outlet pipe (5) and at the inner position of the oxygen lance tail (3), an oxygen lance body (6) is arranged below the oxygen lance tail (3), the oxygen lance fixing plate is characterized in that an oxygen lance outer pipe (7) is arranged outside the oxygen lance body (6), an oxygen lance middle pipe (8) is arranged inside the oxygen lance outer pipe (7) and located inside the oxygen lance body (6), an oxygen lance inner pipe (9) is arranged inside the oxygen lance middle pipe (8), an oxygen lance nozzle (10) is arranged below the oxygen lance body (6), a protective guard (17) is arranged on a lifting platform (12), a hydraulic shaft (16) is arranged below the lifting platform (12), a fixing plate through hole (19) is formed in the middle position of the oxygen lance fixing plate (1), a fixing bearing (20) is arranged above the fixing plate through hole (19), and a fixing rope (18) is arranged on the fixing bearing (20).

2. The vertical oxygen lance maintenance equipment according to claim 1, wherein: the hydraulic shafts (16) are arranged in two groups, the two groups of hydraulic shafts (16) are uniformly arranged below the lifting platform (12), and the lifting platform (12) is connected with the oxygen lance maintenance platform outer shell (11) in a lifting mode through the hydraulic shafts (16).

3. The vertical oxygen lance maintenance equipment according to claim 1, wherein: the oxygen lance fixing disc (1) is fixedly connected with the oxygen lance tail (3) through fixing disc through holes (19) and fixing ropes (18), the fixing ropes (18) are provided with four groups, and the four groups of fixing ropes (18) are uniformly distributed on the oxygen lance fixing disc (1).

4. The vertical oxygen lance maintenance equipment according to claim 1, wherein: one end of the fixing rope (18) is welded and fixed with the oxygen lance fixing disc (1), and the other end of the fixing rope (18) is welded and fixed with the fixing bearing (20).

5. The vertical oxygen lance maintenance equipment according to claim 1, wherein: the oxygen lance tail (3) is rotatably connected with the oxygen lance fixed disk (1) through a fixed bearing (20).

6. The vertical oxygen lance maintenance equipment according to claim 1, wherein: the two groups of the flange plates (15) are arranged, the two groups of the flange plates (15) are arranged on the tail (3) of the oxygen lance, and the flange plates (15) are fixedly welded with the tail (3) of the oxygen lance.