CN203451558U - Device for replacing gun head of oxygen gun - Google Patents
Device for replacing gun head of oxygen gun Download PDFInfo
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- CN203451558U CN203451558U CN201320342844.5U CN201320342844U CN203451558U CN 203451558 U CN203451558 U CN 203451558U CN 201320342844 U CN201320342844 U CN 201320342844U CN 203451558 U CN203451558 U CN 203451558U
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- rifle
- head
- pad
- support body
- changing device
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Abstract
The utility model discloses a device for replacing a gun head of an oxygen gun. The oxygen gun comprises a frame body, wherein the frame body is provided with a lifting mechanism; a gun head positioning device capable of rising or falling along with the rising or falling of the lifting mechanism is arranged above the lifting mechanism. The device disclosed by the utility model has the advantages that the replacement is easy, the maintenance quality also can be guaranteed and the labor intensity for maintenance and replacement can be alleviated.
Description
Technical field
The utility model belongs to metallurgical steelmaking equipment technical field, particularly a kind of oxygen rifle rifle changing device on first watch.
Background technology
Oxygen rifle, is mainly used in steel industry, metallurgy industry, is one of major equipment of converter steelmaking, and its performance characteristic directly has influence on metallurgical effect and duration of blast, thereby has influence on the Quality and yield of steel.Oxygen rifle is flow and strand realized with the interaction in molten bath by oxygen jet to the influence of blowing, and velocity magnitude and the distribution thereof of this effect while depending primarily on jet arrival weld pool surface.
Oxygen rifle is comprised of rifle head, rifle body and gun breech, and generally, oxygen rifle is worked under furnace high-temperature, adopts circulating water, and rifle head when work in stove highest temperature zone, determining to rush at the oxygen flow characteristic of metal pool, directly the impact effect that blows.Therefore oxygen rifle rifle head has very important effect for converter steelmaking.
As rifle is first, be that mode by welding is arranged on rifle body, after rifle head damages, the rifle head of damage need to be cut off together with rifle body.In actual maintenance process, first, by rolling off the production line, need the oxygen rifle of replacing to hang and repair rifle position; Secondly, by changing the setting-out of gun barrel position, cut off old rifle head and old gun barrel; The 3rd, measure the size that will change, by the new gun barrel of getting ready by dimensional requirement blanking; The 4th, use chain block by gun barrel pull-up installation, the alignment got ready, finally weld; Finally, two people use plank that rifle head is lifted, and aim at; Another person uses sledgehammer hammering rifle head to install, welding.By above-mentioned maintenance mode, overhaul, have following difficult point: 1) gun barrel centering difficulty; 2) rifle head Rig up error, due to when rifle head is installed, is used sledgehammer hammering to install, and rifle head discontinuity, can cause the damage at sealing position, causes rifle head to leak; 3) fubaritic leak source, some leak source is smaller, is difficult for finding and repairs in time, causes rifle body drain water, after reaching the standard grade, cannot use.Simultaneously, when above-mentioned maintenance mode operates for a plurality of converters of steelworks, not only each maintenance workload is large, and because oxygen gun body surface in converting process has slag, scarfing cinder rear lance surface still has fine particle, cannot guarantee that rifle body is smooth, after rifle head is cut off by gas cutting, because the roughness of rifle surface is larger, cannot guarantee cutting quality, thereby strengthen welding difficulty, make repair quality be difficult to control, and then directly impact is normally produced.
Utility model content
The purpose of this utility model is to propose a kind of maintenance and changes easily, can guarantee again repair quality, reduce the oxygen rifle rifle changing device on first watch that labour intensity is changed in maintenance.
For reaching this object, the utility model by the following technical solutions:
An oxygen rifle rifle changing device on first watch, comprises support body, on described support body, is provided with hoisting appliance, and the top of described hoisting appliance is provided with the rifle head locating device that can rise or decline with the rise of described hoisting appliance.
Wherein, described rifle head locating device comprises rifle head stationary installation, and be arranged on described rifle head stationary installation top, encircle rifle head and rifle body and make the clamping structure of embracing that rifle head aligns with rifle body axis, on the two side of described support body, correspondence is provided with the first slideway, and described armful of clamping structure is slidably connected with described support body by described the first slideway.
Wherein, described rifle head stationary installation comprises the first back up pad that is positioned at described hoisting appliance top, the end face of described the first back up pad is provided with for limiting the first limited block of rifle head position, and the bottom surface of described the first back up pad is provided with matches with the top of described hoisting appliance and for limiting the second limited block of described hoisting appliance position.
Wherein, the side-lower of described the first back up pad is provided with the pulley that rises or decline for auxiliary described the first back up pad, the dual-side of the sidewall of described support body extends and is provided with wall extension towards the inside of described support body respectively, and the inner side of described wall extension is provided with the second slideway sliding for described pulley.
Wherein, the quantity of described pulley is 4, and 4 described pulleys are positioned at four angles of described the first back up pad, corresponding described second slideway of pulley described in each.
Wherein, described armful of clamping structure comprises: annular and symmetrically arranged two press from both sides for encircling the embracing of half arc of rifle head and rifle body, one end and the screw mandrel that the outside of embracing folder described in one of them is connected, the other end passes described the first installation of slide track, the other end of described screw mandrel is provided with screw mandrel head, between described screw mandrel head and the outer side of described support body sidewall, be provided with the slide block that can move with described armful of clamping structure, described screw mandrel and described slide block are threaded connection.
Wherein, on the end face of described the first back up pad, be also provided with for supporting and limiting the described back-up block of embracing clamping structure, wherein, described back-up block is arranged at the outside of described the first limited block, and be positioned at the below of described screw mandrel, described back-up block and the corresponding setting one by one of described screw mandrel.
Wherein, the inner side of the two side of described support body is provided with the support of L-type structure accordingly, and the horizontal sides of described support is connected with the sidewall of described support body, the unsettled setting of perpendicular edge, in the horizontal sides of described support, be provided with the second back up pad, described hoisting appliance is arranged in described the second back up pad.
Wherein, also comprise the road wheel of the bottom that is symmetricly set on described support body, the quantity of described road wheel is 4.
Wherein, described hoisting appliance is screw block or elevator, in described the second back up pad, is also provided with for limiting the stop means of the position of described hoisting appliance.
The beneficial effects of the utility model are: oxygen rifle rifle changing device on first watch of the present utility model by arranging hoisting appliance on support body, utilize the rise of hoisting appliance to drive the rise of rifle head locating device, thereby realize rifle head with rifle body stable near and complete the preliminary assembling of rifle head and rifle body, utilize the decline of hoisting appliance to drive the decline of rifle head locating device, after coordinating with rifle body, rifle head removes rifle head locating device, in whole process, do not need to make the top of rifle head enter rifle body endoporus by sledgehammer hammering rifle head, avoid rifle head discontinuity and caused sealing-ring to damage, thereby avoid rifle head to leak, this oxygen rifle rifle changing device on first watch not only can improve oxygen rifle repair quality, can reduce again serviceman's labour intensity, reduces recondition expense, and guarantee steelworks is normally produced, and this oxygen rifle rifle changing device on first watch is made simple, and not fragile.This oxygen rifle rifle changing device on first watch is also by utilizing the road wheel of support body bottom, at rifle head locating device, rise also near in the process of rifle body, movable support body realizes the fine setting on level attitude to rifle head like a cork, to rifle head is better alignd with rifle body, and convenient installation; Simultaneously, rifle head stationary installation on rifle head locating device and armful clamping structure, not only can stablize rifle head, and the moment that can contact with rifle body at rifle head is again fastening to the contact site of rifle head and rifle body, further realize aliging of rifle head and rifle body, to guarantee rifle head installation quality.
Accompanying drawing explanation
Fig. 1 is oxygen rifle rifle changing device on first watch structural representation of the present utility model;
Fig. 2 is oxygen rifle rifle changing device on the first watch front view in Fig. 1;
Fig. 3 is the vertical view of the oxygen rifle rifle changing device on first watch in Fig. 1;
Fig. 4 is that oxygen rifle rifle changing device on first watch in Fig. 1 is while installing rifle head and the position view of rifle body;
Fig. 5 is rifle head and the rifle body mated condition schematic diagram in Fig. 4;
Fig. 6 is the local enlarged diagram in I place in Fig. 5.
In figure: 1-road wheel; 2-support body; 3-embraces clamping structure; 4-supporting structure; 5-hoisting appliance; 6-the second back up pad; 7-support; 8-rifle head; 9-pulley; 10-rifle body; 21-the first slideway; 22-the second slideway; 31-slide block; 32-screw mandrel; 33-embraces folder; 41-the first back up pad; 42-back-up block; 43-the first limited block; 44-the second limited block;
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate the technical solution of the utility model.
As shown in Figures 1 to 6, a kind of oxygen rifle rifle changing device on first watch, comprises support body 2, is provided with hoisting appliance 5 on support body 2, and the top of hoisting appliance 5 is provided with the rifle head locating device that can rise or decline with the rise of hoisting appliance 5.Oxygen rifle rifle changing device on first watch of the present utility model by arranging hoisting appliance 5 on support body 2, utilize the rise of hoisting appliance 5 to drive the rise of rifle head locating device, thereby realize rifle head 8 with rifle body 10 stable near and complete the preliminary assembling of rifle head 8 and rifle body 10, utilize the decline of hoisting appliance 5 to drive the decline of rifle head locating device, after coordinating with rifle body 10, rifle head 8 removes rifle head locating device, in whole process, do not need to make the top of rifle head 8 enter rifle body endoporus by sledgehammer hammering rifle head 8, avoid rifle head 8 discontinuity and caused sealing-ring to damage, thereby avoid rifle head 8 to leak, this oxygen rifle rifle changing device on first watch not only can improve oxygen rifle repair quality, can reduce again serviceman's labour intensity, reduces recondition expense, and guarantee steelworks is normally produced, and this oxygen rifle rifle changing device on first watch is made simple, and not fragile.This oxygen rifle rifle changing device on first watch is also by utilizing the road wheel 1 of support body bottom, at rifle head locating device, rise also near in the process of rifle body 10, movable support body 2 realizes the fine setting on level attitude to rifle head 8 like a cork, to rifle head 8 is better alignd with rifle body 10, and convenient installation; Simultaneously, rifle head stationary installation on rifle head locating device and armful clamping structure 3, not only can stablize rifle head, and the moment that can contact with rifle body 10 at rifle head 8 is again fastening with the contact site of rifle body 10 to rifle head 8, further realize aliging of rifle head 8 and rifle body 10, to guarantee rifle head installation quality.
Wherein, rifle head locating device comprises rifle head stationary installation, and be arranged on rifle head stationary installation top, encircle rifle head 8 and rifle body 10 and make rifle head 8 and rifle body 10 axial alignment embrace clamping structure 3, on the two side of support body 2, correspondence is provided with the first slideway 21, embraces clamping structure 3 and is slidably connected with support body 2 by the first slideway 21.Rifle head stationary installation comprises the first back up pad 41 that is positioned at hoisting appliance 5 tops, the end face of the first back up pad 41 is provided with for limiting the bottom surface of the first limited block 43, the first back up pads 41 of rifle head position and is provided with and matches with the top of hoisting appliance 5 and for limiting the second limited block 44 of hoisting appliance 5 positions.The side-lower of the first back up pad 41 is provided with the pulley 9 that rises or decline for auxiliary the first back up pad 41, the dual-side of the sidewall of support body 2 extends and is provided with wall extension towards the inside of support body 2 respectively, and the inner side of wall extension is provided with the second slideway 22 sliding for pulley 9.Preferably, the quantity of pulley 9 is 4, and 4 pulleys 9 are positioned at four angles of the first back up pad 41, corresponding second slideway 22 of each pulley 9.By the slip in corresponding the second slideway 22 respectively of 4 pulleys 9, steady in the time of not only can making supporting structure 4 rise or decline, can improve again the smoothness of motion.
Embracing clamping structure 3 comprises: annular and symmetrically arranged two for encircle rifle head 8 and rifle body 10 half arc embrace folder 33, the screw mandrel 32 that one end is connected with one of them outside of embracing folder 33, the other end arranges through the first slideway 21, the other end of screw mandrel 32 is provided with screw mandrel head, between the outer side of screw mandrel head and support body 2 sidewalls, be provided with the slide block 31 that can move with armful clamping structure, screw mandrel 32 is threaded connection with slide block 31.During use, by turning screw mandrel head, make screw mandrel 32 by realizing tangential movement with being threaded of slide block 31, while turning screw mandrel head to a side, screw mandrel headband movable wire bar 32, screw mandrel 32 drives connected armful of folder 33 towards the direction motion near rifle head 8, until embrace folder 33, tightly surrounds rifle head 8; When needs unclamp a folder of embracing 33 pairs of rifle heads 8 of folder and embrace, to opposite side, turn screw mandrel head., be also provided with for supporting and limiting the back-up block 42 of embracing clamping structure 3 on the end face of the first back up pad 41, wherein, back-up block 42 is arranged at the outside of the first limited block 43, and is positioned at the below of screw mandrel 32, back-up block 42 and screw mandrel 32 corresponding setting one by one meanwhile.This back-up block 42 not only can play and support the effect of embracing clamping structure 3, and is arranged on the outside of embracing folder 33, can also play embracing folder 33 radially spacing; Thereby make this armful of clamping structure more firm to fixing of rifle head 8.In addition, this armful of clamping structure 3 be except being arranged in oxygen rifle rifle changing device on first watch of the present utility model, can also use separately, the centering when helping rifle body to be connected with gun barrel, easily operate and centering precision high.
The inner side of the two side of support body 2 is provided with the support 7 of L-type structure accordingly, and the horizontal sides of support 7 is connected with the sidewall of support body 2, and the unsettled setting of perpendicular edge is provided with the second back up pad 6 in the horizontal sides of support 7, and hoisting appliance 5 is arranged in the second back up pad 6.Preferably, in the present embodiment, the quantity of the support 7 of the inner side of each sidewall of support body 2 is two.Certainly, the quantity of the support 7 of the inner side of each sidewall of support body 2 can be determined according to actual needs, to expand the scope of application of this oxygen rifle rifle changing device on first watch, makes it more general, reduces manufacturing cost.
In the utility model, the first limited block 43 is at least two the first arc pieces that annular arranges, and the second limited block 44 is at least two the second arc pieces that annular arranges, and the first limited block 43 is coaxial setting with the second limited block 44.Hoisting appliance 5 is screw block or elevator, in the second back up pad 6, is also provided with for limiting the stop means of the position of hoisting appliance 5.Preferably, in the present embodiment, hoisting appliance 5 is screw block, screw block is more conventional hoisting appliance, and technology maturation in use can be selected according to the needed concrete dynamics of jack-up, the versatility that has increased the utility model oxygen rifle rifle changing device on first watch, cuts down finished cost.The top of this screw block is limited in the space of the second limited block 44, and bottom is placed in the second back up pad 6, and fix by stop means, in jack stand the first back up pad 41 or while falling the first back up pad 41, avoid screw block displacement to cause rifle head 8 inaccurate with the location of rifle body 10.
This oxygen rifle rifle changing device on first watch also comprises the road wheel 1 of the bottom that is symmetricly set on support body 2, and the quantity of road wheel 1 is 4.
Oxygen rifle rifle changing device on first watch is in actual maintenance, in the time of need to changing rifle head 8, rifle head 8 is placed in the space of the first limited block 43 formation, and undertaken rifle head 8 positions to limit by the first limited block 43, again support body 2 is slid into the below of rifle body 10 correspondence positions by the road wheel 1 of bottom, rifle head 8 is roughly alignd with rifle body 10, now, starting hoisting appliance 5 makes hoisting appliance 5 drive the first back up pad 41 slowly to rise, and then drive rifle head 8 slowly to rise the end of also close rifle body 10 by the first back up pad 41, simultaneously, in the process rising at rifle head 8, by road wheel 1 movable support body 2, realize the fine setting of rifle head 8 level attitudes, so that rifle head 8 aligns with rifle body 10, after the top of rifle body 10 and rifle head 8 starts to touch, after the endoporus that makes the top of rifle head 8 enter into rifle body 10 coordinates with it, continue to make rifle head 8 upwards to the top of rifle head 8, to enter the endoporus of rifle body 10 completely, and when the end of rifle body 10 and the bottom of rifle head 8 are offseted, by embracing clamping structure 3, surround the junction of rifle body 10 and rifle head 8, and by embracing clamping structure 3 fixedly rifle head 8 and rifle body 10, at this moment, the position of hoisting appliance 5 is fixed, can carry out welding operation to rifle head 8 and the junction of rifle body 10, after welding, can remove and embrace clamping structure 3, decline by hoisting appliance declines the first back up pad again, remove fixing rifle head 8 such as support body 2 parts such as grade, now, sealing-ring on rifle head 8 tops and rifle body 10 endoporus closely cooperate, reach good sealing effectiveness, welding links together rifle head 8 and rifle body 10 securely, complete the replacing to rifle head 8.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, within these modes all will fall into protection domain of the present utility model.
Claims (10)
1. an oxygen rifle rifle changing device on first watch, it is characterized in that: comprise support body (2), on described support body (2), be provided with hoisting appliance (5), the top of described hoisting appliance (5) is provided with the rifle head locating device that can rise or decline with the rise of described hoisting appliance (5).
2. a kind of oxygen rifle rifle changing device on first watch according to claim 1, it is characterized in that: described rifle head locating device comprises rifle head stationary installation, and be arranged on described rifle head stationary installation top, encircle rifle head (8) and rifle body (10) and make rifle head (8) and rifle body (10) axial alignment embrace clamping structure (3), on the two side of described support body (2), correspondence is provided with the first slideway (21), and described armful of clamping structure (3) is slidably connected with described support body (2) by described the first slideway (21).
3. a kind of oxygen rifle rifle changing device on first watch according to claim 2, it is characterized in that: described rifle head stationary installation comprises the first back up pad (41) that is positioned at described hoisting appliance (5) top, the end face of described the first back up pad (41) is provided with for limiting first limited block (43) of rifle head position, and the bottom surface of described the first back up pad (41) is provided with matches with the top of described hoisting appliance (5) and for limiting second limited block (44) of described hoisting appliance (5) position.
4. a kind of oxygen rifle rifle changing device on first watch according to claim 3, it is characterized in that: the side-lower of described the first back up pad (41) is provided with the pulley (9) that rises or decline for auxiliary described the first back up pad (41), the dual-side of the sidewall of described support body (2) extends and is provided with wall extension towards the inside of described support body (2) respectively, and the inner side of described wall extension is provided with the second slideway (22) sliding for described pulley (9).
5. a kind of oxygen rifle rifle changing device on first watch according to claim 4, it is characterized in that: the quantity of described pulley (9) is 4, and 4 described pulleys (9) are positioned at four angles of described the first back up pad (41), corresponding described second slideway (22) of pulley described in each (9).
6. a kind of oxygen rifle rifle changing device on first watch according to claim 3, it is characterized in that: described armful of clamping structure (3) comprising: annular and symmetrically arranged two press from both sides (33) for encircling rifle head (8) with the embracing of half arc of rifle body (10), one end is connected with the outside of embracing folder (33) described in one of them, the screw mandrel (32) that the other end arranges through described the first slideway (21), the other end of described screw mandrel (32) is provided with screw mandrel head, between the outer side of described screw mandrel head and described support body (2) sidewall, be provided with the slide block (31) that can move with described armful of clamping structure, described screw mandrel (32) is threaded connection with described slide block (31).
7. a kind of oxygen rifle rifle changing device on first watch according to claim 6, it is characterized in that: on the end face of described the first back up pad (41), be also provided with for supporting and limiting the described back-up block (42) of embracing clamping structure (3), wherein, described back-up block (42) is arranged at the outside of described the first limited block (43), and be positioned at the below of described screw mandrel (32), described back-up block (42) and described screw mandrel (32) corresponding setting one by one.
8. a kind of oxygen rifle rifle changing device on first watch according to claim 1, it is characterized in that: the inner side of the two side of described support body (2) is provided with the support (7) of L-type structure accordingly, the horizontal sides of described support (7) is connected with the sidewall of described support body (2), the unsettled setting of perpendicular edge, in the horizontal sides of described support (7), be provided with the second back up pad (6), described hoisting appliance (5) is arranged in described the second back up pad (6).
9. a kind of oxygen rifle rifle changing device on first watch according to claim 1, is characterized in that: also comprise the road wheel (1) of the bottom that is symmetricly set on described support body (2), the quantity of described road wheel (1) is 4.
10. a kind of oxygen rifle rifle changing device on first watch according to claim 8, it is characterized in that: described hoisting appliance (5) is screw block or elevator, is also provided with for limiting the stop means of the position of described hoisting appliance (5) in described the second back up pad (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320342844.5U CN203451558U (en) | 2013-06-14 | 2013-06-14 | Device for replacing gun head of oxygen gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320342844.5U CN203451558U (en) | 2013-06-14 | 2013-06-14 | Device for replacing gun head of oxygen gun |
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| Publication Number | Publication Date |
|---|---|
| CN203451558U true CN203451558U (en) | 2014-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320342844.5U Expired - Lifetime CN203451558U (en) | 2013-06-14 | 2013-06-14 | Device for replacing gun head of oxygen gun |
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| Country | Link |
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| CN (1) | CN203451558U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106755721A (en) * | 2017-01-09 | 2017-05-31 | 中冶南方工程技术有限公司 | A kind of vertical pipette tips of repairing of oxygen rifle change device and method |
| CN107511623A (en) * | 2016-06-17 | 2017-12-26 | 中冶宝钢技术服务有限公司 | Oxygen Lance Nozzle for Converter replacing options and its special purpose device |
| CN110643782A (en) * | 2019-11-05 | 2020-01-03 | 联峰钢铁（张家港）有限公司 | Novel tool for installing oxygen lance head |
| CN115198052A (en) * | 2022-06-28 | 2022-10-18 | 攀钢集团工程技术有限公司 | Top-mounted device of converter oxygen lance nozzle |
-
2013
- 2013-06-14 CN CN201320342844.5U patent/CN203451558U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107511623A (en) * | 2016-06-17 | 2017-12-26 | 中冶宝钢技术服务有限公司 | Oxygen Lance Nozzle for Converter replacing options and its special purpose device |
| CN106755721A (en) * | 2017-01-09 | 2017-05-31 | 中冶南方工程技术有限公司 | A kind of vertical pipette tips of repairing of oxygen rifle change device and method |
| CN110643782A (en) * | 2019-11-05 | 2020-01-03 | 联峰钢铁（张家港）有限公司 | Novel tool for installing oxygen lance head |
| CN110643782B (en) * | 2019-11-05 | 2024-02-09 | 联峰钢铁（张家港）有限公司 | Tool for installing oxygen lance tip |
| CN115198052A (en) * | 2022-06-28 | 2022-10-18 | 攀钢集团工程技术有限公司 | Top-mounted device of converter oxygen lance nozzle |
| CN115198052B (en) * | 2022-06-28 | 2023-10-20 | 攀钢集团工程技术有限公司 | Top-loading device for oxygen lance nozzle of converter |
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Granted publication date: 20140226 |