CN215517512U

CN215517512U - Oxygen lance with quick change structure

Info

Publication number: CN215517512U
Application number: CN202121954578.2U
Authority: CN
Inventors: 杨政之; 杨耀宇
Original assignee: Zhonghui Welded Pipe Technology Liyang Co ltd
Current assignee: Zhonghui Welded Pipe Technology Liyang Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-01-14
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses an oxygen lance with a quick-change structure, which comprises a limiting device, wherein a fixing device is inserted into one end of the limiting device in a sliding manner, a supporting device is fixedly connected to one end of the limiting device, which is far away from the fixing device, the fixing device comprises an installation block, the oxygen lance, a movable push plate, a connecting sleeve and a limiting groove, the installation block is symmetrically and fixedly connected to one end of the oxygen lance, the limiting groove is formed in the side end of the installation block, the movable push plate is inserted between the installation block and the installation block in a sliding manner, the connecting sleeve is fixedly connected to the center of the interior of the movable push plate, the supporting device comprises a U-shaped positioning handle, a sleeve, a sliding limiting plate and a positioning side plate, the sliding limiting plate is inserted into the sleeve in a sliding manner, and the positioning side plate is fixedly connected to two sides of the sliding limiting plate. The oxygen lance mounting and dismounting device realizes the rapid dismounting and mounting work of the oxygen lance through the arrangement of the fixing device and the supporting device.

Description

Oxygen lance with quick change structure

Technical Field

The utility model relates to the technical field of pipeline production, in particular to an oxygen lance with a quick-change structure.

Background

The lance is the pipeline of oxygen lance usefulness when steelmaking, can clear away the inside slay of oxygen converter through using the lance, thereby can guarantee the clean situation in the oxygen converter, and the lance has light and efficient characteristic, make very convenient when clean oxygen converter, and the lance is because of long-term contact high temperature, make and become very easy impaired, consequently the lance is also defined as vulnerable part, current lance is when using, because the lance need be changed temporarily at the scene, and the lance need be installed through the mode of twisting soon, and on-the-spot dust angle, the temperature is higher, make the installation of lance of being not convenient for, consequently, need an equipment to improve it to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an oxygen lance with a quick-change structure, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the oxygen lance with a quick change structure comprises a limiting device, a fixing device is inserted in one end of the limiting device in a sliding manner, one end of the limiting device, which is far away from the fixing device, is fixedly connected with a supporting device, the fixing device comprises an installation block, an oxygen blowing pipe, a movable push plate, a connecting sleeve and a limiting groove, the mounting blocks are symmetrically and fixedly connected with one end of the oxygen lance, the limiting groove is arranged inside the side end of the mounting block, the movable push plate is inserted between the mounting block and the mounting block in a sliding manner, the connecting sleeve is fixedly connected with the inner center of the movable push plate, the supporting device comprises a U-shaped positioning handle, a sleeve, a sliding limit and a positioning side plate, the sliding limit is inserted in the sleeve in a sliding manner, the positioning side plates are fixedly connected to two sides of the sliding limit, and the sleeve is fixedly connected to two ends of the U-shaped positioning handle.

Preferably, the limiting device comprises a connecting hose, a limiting block, a positioning bolt, a limiting screw and a support shell, the connecting hose is fixedly connected to the center of the side end of the support shell, the positioning bolt is inserted into the top end of the support shell in a sliding mode, the limiting block is inserted into the tops of the two ends of the support shell in a sliding mode, and the limiting screw penetrates through the support shell in a threaded mode and is connected to the side end of the limiting block in a rotating mode.

Preferably, the side end of the supporting shell is provided with a movable groove matched with the sliding limiting and positioning side plate.

Preferably, the sleeve and the inside of the top end of the support shell are fixedly connected with an extrusion spring respectively.

Preferably, a sealing ring is fixedly connected to the inside of the connecting sleeve.

Preferably, the bottom end of the mounting block is arranged in a 45-degree slope.

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

through fixing device slidable mounting in stop device's inside, and fixing device's inside fixed mounting has location buckle device, through the setting of location buckle device, can be with the quick installation in stop device's inside of fixing device, through strutting arrangement fixed mounting on stop device's side is served, can fix a position the quick going on of fixing device through strutting arrangement's setting.

Through positioner's inside fixed mounting has positioner, through positioner's setting, can prevent fixing device outwards to remove once more, has the UNICOM device through fixing device's inside fixed mounting, through the setting of UNICOM device, can dock fixing device and stop device is quick, has resetting means through strutting arrangement's inside fixed mounting for can realize quick reset work with the inside device that runs through of strutting arrangement.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of a fixing device according to the present invention;

FIG. 3 is a schematic structural view of the supporting device of the present invention;

fig. 4 is a schematic structural view of the limiting device of the present invention.

In the figure: 1-fixing device, 2-supporting device, 3-limiting device, 4-mounting block, 5-oxygen blowing pipe, 6-moving push plate, 7-connecting sleeve, 8-limiting groove, 9-U-shaped positioning handle, 10-sleeve, 11-sliding limiting key, 12-positioning side plate, 13-connecting hose, 14-limiting block, 15-positioning bolt, 16-limiting screw and 17-supporting shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: the oxygen lance with a quick change structure comprises a limiting device 3, a fixing device 1 is inserted in one end of the limiting device 3 in a sliding manner, a supporting device 2 is fixedly connected with one end of the limiting device 3, which is far away from the fixing device 1, the fixing device 1 comprises a mounting block 4, an oxygen lance 5 and a movable push plate 6, connecting sleeve 7 and spacing groove 8, 4 symmetry fixed connection of installation piece are served at oxygen lance 5, spacing groove 8 is seted up inside the side of installation piece 4, it pegs graft between installation piece 4 and installation piece 4 to remove push pedal 6, connecting sleeve 7 fixed connection is at the inside center of removing push pedal 6, strutting arrangement 2 includes U type location handle 9, sleeve 10, slide spacing 11 and location curb plate 12, slide spacing 11 and slide and peg graft in the inside of sleeve 10, location curb plate 12 fixed connection is in the both sides of sliding spacing 11, sleeve 10 fixed connection is at the both ends of U type location handle 9.

Preferably, the limiting device 3 comprises a connecting hose 13, a limiting block 14, a positioning bolt 15, a limiting screw 16 and a supporting shell 17, the connecting hose 13 is fixedly connected to the center of the side end of the supporting shell 17, the positioning bolt 15 is slidably inserted into the top end of the supporting shell 17, the limiting block 14 is slidably inserted into the tops of the two ends of the supporting shell 17, the limiting screw 16 penetrates through the supporting shell 17 in a threaded manner and is rotatably connected to the side end of the limiting block 14, the limiting screw 16 is screwed inwards to drive the limiting block 14 to move to the top end of the mounting block 4, and the mounting block 4 can be prevented from moving outwards again.

Preferably, the side end of the supporting shell 17 is provided with a movable groove matched with the sliding limit 11 and the positioning side plate 12, so that the sliding limit 11 can be ensured to move along a straight line.

Preferably, the top ends of the sleeve 10 and the support housing 17 are fixedly connected with an extrusion spring respectively, so as to ensure that the sliding limiting 11 and the positioning bolt 15 always move downwards.

Preferably, a sealing ring is fixedly connected to the inside of the connecting sleeve 7, so as to avoid air leakage between the connecting hose 13 and the oxygen lance 5.

Preferably, the bottom end of the mounting block 4 is arranged in a 45-degree slope, so that the contact smoothness between the mounting block 4 and the sliding limit 11 is improved.

The working principle is as follows: when in use, the connecting hose 13 is firstly connected with an external oxygen pipeline, the oxygen lance 5 is inserted into the supporting shell 17, the mounting block 4 slides towards the inside of the supporting shell 17 and can be contacted with the sliding limit 11 to drive the sliding limit 11 to move outwards, when the oxygen lance 5 moves downwards to a limit position, the reset spring in the sleeve 10 can drive the sliding limit 11 to be inserted into the limit groove 8, so that the oxygen lance 5 can be positioned, meanwhile, the movable push plate 6 can be pulled inwards until the connecting sleeve 7 is driven to be inserted into the connecting hose 13, so that the connecting hose 13 and the oxygen lance 5 can be connected, the sealing ring is fixedly connected in the connecting sleeve 7, so that the phenomenon of air leakage between the connecting hose 13 and the oxygen lance 5 can be avoided, meanwhile, when the movable push plate 6 moves inwards to the limit position, can pass below the positioning bolt 15, and can drive the positioning bolt 15 to move downwards again through a return spring in the supporting shell 17, so as to prevent the moving push plate 6 from moving outwards again, the limiting screws 16 can be screwed inwards respectively until the limiting blocks 14 are driven to move to the top ends of the mounting blocks 4, so that the mounting block 4 is prevented from moving outward from the inside of the support housing 17, and the entire mounting work is completed, and when the oxygen lance 5 needs to be disassembled, the U-shaped positioning handle 9 can be integrally pulled outwards, so that the sliding limit 11 can be driven to be taken out from the limit groove 8, the movable push plate 6 is pulled outwards, so that the connection hose 13 can be disconnected from the oxygen lance 5, and the limit screw 16 can be screwed outward, so that the limiting block 14 can be driven to move to the inside of the supporting shell 17, and the oxygen lance 5 can be taken out from the inside of the supporting shell 17 integrally.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Oxygen lance with quick change structure, including stop device (3), its characterized in that: the oxygen lance is characterized in that a fixing device (1) is inserted into one end of the limiting device (3) in a sliding manner, a supporting device (2) is fixedly connected to one end of the limiting device (3) away from the fixing device (1), the fixing device (1) comprises an installation block (4), an oxygen lance (5), a movable push plate (6), a connecting sleeve (7) and a limiting groove (8), the installation block (4) is symmetrically and fixedly connected to one end of the oxygen lance (5), the limiting groove (8) is formed in the side end of the installation block (4), the movable push plate (6) is inserted between the installation block (4) and the installation block (4) in a sliding manner, the connecting sleeve (7) is fixedly connected to the inner center of the movable push plate (6), and the supporting device (2) comprises a U-shaped positioning handle (9), a sleeve (10), a sliding limiting block (11) and a positioning side plate (12), the sliding limiting handle is characterized in that the sliding limiting handle (11) is inserted in the sleeve (10) in a sliding mode, the positioning side plates (12) are fixedly connected to two sides of the sliding limiting handle (11), and the sleeve (10) is fixedly connected to two ends of the U-shaped positioning handle (9).

2. The oxygen lance provided with a quick-change structure according to claim 1, wherein: the limiting device (3) comprises a connecting hose (13), a limiting block (14), a positioning bolt (15), a limiting screw (16) and a supporting shell (17), the connecting hose (13) is fixedly connected to the center of the side end of the supporting shell (17), the positioning bolt (15) is slidably inserted into the top end of the supporting shell (17), the limiting block (14) is slidably inserted into the tops of the two ends of the supporting shell (17), and the limiting screw (16) penetrates through the supporting shell (17) in a threaded mode and is rotatably connected to the side end of the limiting block (14).

3. The oxygen lance provided with a quick-change structure according to claim 2, wherein: the side end of the supporting shell (17) is provided with a movable groove matched with the sliding limit (11) and the positioning side plate (12).

4. The oxygen lance provided with the quick-change structure according to claim 3, wherein: and extrusion springs are respectively and fixedly connected inside the top ends of the sleeve (10) and the support shell (17).

5. The oxygen lance provided with the quick-change structure according to claim 4, wherein: and a sealing ring is fixedly connected inside the connecting sleeve (7).

6. The oxygen lance provided with a quick-change structure according to claim 5, wherein: the bottom end of the mounting block (4) is arranged in a 45-degree slope.