CN201148442Y

CN201148442Y - Device for fixing and adjusting oxygen lance

Info

Publication number: CN201148442Y
Application number: CNU2008200305866U
Authority: CN
Inventors: 谷青林; 吴文忠
Original assignee: Huatian Engineering and Technology Corp MCC
Current assignee: Huatian Engineering and Technology Corp MCC
Priority date: 2008-01-03
Filing date: 2008-01-03
Publication date: 2008-11-12
Anticipated expiration: 2018-01-03

Abstract

The utility model discloses a lance fixing and regulating device, which comprises a small vehicle platform (1), a support base (2), a fixing base (3) and other components. A U-shaped groove is arranged corresponding to the support base (2) and the small vehicle platform (1); the upper part of the lance (5) extends out of the U-shaped groove; the middle part of the support base (2) is provided with a ball gap (6); the lance (5) is welded with the fixing base (3); the spherical surface of the fixing base (3) is superposed on the inner surface of the ball gap (6); the support base (2) and the fixing base (3) adopt four symmetrical L-shaped pressing blocks (7) to fix the lance (5); a lower support base regulating device (20) is arranged below the small vehicle platform (1) and on the lower part of the lance (5); and a regulation operating platform (9) is arranged below the lower support base regulating device (20). The device can be easily regulated; the lance can be accurately and rapidly positioned; and the device reduces the labor intensity and operating time of the staff.

Description

The oxygen rifle is fixed and setting device

Technical field

The utility model relates to metallurgy industry converter steelmaking oxygen gun system, especially relates to a kind of fixing and setting device of converter steelmaking top blow oxygen lance

Background technology

Converter steelmaking is important production link in the iron and steel enterprise.The oxygen gun system is again one of key equipment of converter.Generally four, 50 meters working aloft, the space is little, equipment is complicated, work under bad environment in the replacing of oxygen rifle, each oxygen rifle of changing all must centering be adjusted, and makes the oxygen rifle vertical, makes oxygen gun axis line and converter central lines, be beneficial to the oxygen rifle and pass through fixedly flue oxygen rifle insertion mouth, be convenient to the molten steel that blows.Will change the oxygen rifle one time in general 5,6 days, whenever changing an oxygen rifle generally needs 3,4 hours, and not only consuming time but also require great effort, the oxygen rifle replacing time is long, and this is the problem that Steel Plant have strong complaints.

Less converter oxygen gun generally adopts the pawl formula to fix, realize adjustment by adjustment to the oxygen rifle to the parallels under each pawl, each pawl in same plane, vertical this plane of oxygen gun barrel, by the parallels height under each pawl of continuous adjustment, insert mouth and make oxygen gun barrel top aim at converter oxygen gun.Parallels apart from oxygen rifle center generally at 300～500mm, and oxygen gun barrel top apart from adjustment face generally about 15m, the adjustment a little of parallels height all can cause the skew of the vertical big distance of oxygen gun barrel like this, and the height of parallels can only rely on the workman rule of thumb to adjust repeatedly.Each when adjusting parallels, must be with the driving oxygen rifle of slinging, the oxygen rifle change in location after falling also can have bigger influence to oxygen gun barrel apical position.It is little to add the space of operating for the workman, inconvenient operation.Adjusted back with each pawl of bolting.Generally need time of 4 workman half a day just can finish to adjust fixing.The adjustment time is long, and labour intensity is big.

Also having a kind of consolidated form is plane formula, and its principle and pawl formula are basic identical.Just pawl is made a plane, parallels has also changed four into and has adjusted bolt.This structure comprises parts such as trolley platform, supporting seat, permanent seat; Between supporting seat and permanent seat, be provided with the adjustment pad; Have U-lag on supporting seat and trolley platform correspondence position, be convenient to the oxygen rifle and move in and out, supporting seat and trolley platform are welded into one, by adjusting four adjustment bolts on the supporting seat respectively, realize the vertical skew of oxygen gun barrel, after the centering of oxygen gun barrel top, the bolt of tightening permanent seat gets final product.The oxygen rifle of slinging of need not driving a vehicle during this structural adjustment oxygen rifle, it is just passable that directly bolt is adjusted in turn.This is to compare the advantage that is had with the formula of grabbing.But its motion still has uncertainty, may rotate along certain point, and possible translation also may have in two kinds of motions, adjusts difficulty, and required time is long.Use bolting after adjusting.The workload that overall process needs and the difference of pawl formula are little.

The utility model content

The purpose of this utility model is to overcome problems of the prior art, provides a kind of localized oxygen rifle easy to adjust, accurate and quick to fix and setting device.

For achieving the above object, oxygen rifle of the present utility model is fixing to comprise parts such as trolley platform, supporting seat, permanent seat with setting device, on supporting seat and trolley platform correspondence position, have U-lag, stretch out from U-lag on oxygen rifle top, its structural feature is to offer segment in the supporting seat middle part, and the segment internal surface overlaps with oxygen rifle sphere; Supporting seat and permanent seat adopt four L shaped briquetting fixed oxygen rifles of symmetric arrangement; Below trolley platform, be positioned at oxygen rifle bottom and also be provided with lower support seat setting device; Below lower support seat setting device, be provided with the adjustment service platform.

Lower support seat setting device is made up of stationary bearing and two shifting bearings, stationary bearing is connected with bearing pin with two shifting bearings respectively, connect with bolt between two shifting bearings, directly stretch out from the annular chamber of being made up of stationary bearing and two shifting bearings oxygen rifle bottom; On stationary bearing and two shifting bearings, be provided with 4 adjustment bolts respectively symmetrically, adjust and the fixed oxygen rifle.

The utility model structure compared with prior art its advantageous effect is as follows:

1, owing to offers segment at the supporting seat on oxygen rifle top, the segment internal surface is that hemisphere face can bear oxygen rifle weight, under action of gravity, hemisphere face has automatic positioning action, when adjusting the adjustment bolt of lower support seat setting device, the oxygen rifle rotates around sphere centre, and oxygen rifle head movement track has determinacy, and the oxygen rifle is in place accurately, quick.

2, owing to be provided with lower support seat setting device, increased the stability of oxygen rifle, rocking when minimizing oxygen rifle moves up and down with dolly in oxygen rifle bottom.

3, because lower support seat setting device is adjusted and the fixed oxygen rifle by 4 adjustment bolts, need only wherein 2 of turns during adjustment, only need screw other 2 bolts in the time of fixedly, the centering of oxygen rifle, location are conveniently.

4, below lower support seat setting device, increase the adjustment service platform, strengthened the operating space, made things convenient for workman's adjustment, fixing.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:

Fig. 1 is the fixing and setting device structural representation of the utility model oxygen rifle;

Fig. 2 is the fixing supporting seat vertical view with setting device of oxygen rifle shown in Figure 1;

Fig. 3 is a supporting seat front view shown in Figure 2;

Fig. 4 is shown in Figure 1 along A-A line sectional view.

Embodiment

From Fig. 1, Fig. 2 and Fig. 3 as can be known, oxygen rifle of the present utility model is fixing to comprise parts such as trolley platform 1, supporting seat 2, permanent seat 3 with setting device, has U-lag 4 on supporting seat 2 and trolley platform 1 correspondence position, and stretch out from U-lag 4 on oxygen rifle 5 tops.Segment 6 is offered in supporting seat 2 middle parts, oxygen rifle 5 and permanent seat 3 welding, and permanent seat 3 spheres overlap with the segment internal surface; Supporting seat 2 adopts four L shaped briquettings 7 of symmetric arrangement to fix the oxygen rifle with permanent seat 3, and L shaped briquetting 7 one ends are on supporting seat 2, and the other end is on permanent seat 3, and L shaped briquetting 7 adopts standing bolt 8 to be connected with supporting seat 2.Standing bolt 8 fixes oxygen rifle 5 by L shaped briquetting 7 like this, during dismounting oxygen rifle 5, unscrews standing bolt 8, rotates L shaped briquetting 7, and oxygen rifle 5 shifts out from U-lag 4; During fixed oxygen rifle 57 rotations of L shaped briquetting in place after, tighten standing bolt 8, do not need to pull down standing bolt 8 fully, do not have the trouble of bolt hole contraposition during installation yet.Below trolley platform 1, be positioned at oxygen rifle 5 bottoms and also be provided with lower support seat setting device 20; Below lower support seat setting device, be provided with and adjust service platform 9, strengthened the operating space, make things convenient for workman's adjustment, fixing.

As can be seen from Figure 4, lower support seat setting device 20 is made up of stationary bearing 10 and two shifting

bearings

11,12, stationary bearing 10 is connected with two shifting bearings, 11,12 usefulness bearing pins 13 respectively, connect with bolt 14 between two shifting

bearings

11,12, directly stretch out from the annular chamber of being made up of stationary bearing 10 and shifting bearing 11,12 oxygen rifle 5 bottoms; On stationary bearing 10, shifting bearing 11,12, be provided with 4 respectively symmetrically and adjust bolt 15, adjust and fixed oxygen rifle 5.Need only wherein 2 adjustment bolts 15 of turn during adjustment, and after skilled, can accomplish disposable adjusting to the right place; Only need screw other 2 in the time of fixedly and adjust bolt 15, the centering of oxygen rifle 5, location are conveniently.

Oxygen rifle of the present utility model is fixed with setting device owing to offer segment 6 at the supporting seat on oxygen rifle 5 tops, segment 6 internal surfaces are that hemisphere face can bear oxygen rifle weight, under action of gravity, hemisphere face has automatic positioning action, when adjusting the adjustment bolt 15 of lower support seat setting device 20, oxygen rifle 5 rotates around sphere centre, and oxygen rifle 5 head movement tracks have determinacy, and the oxygen rifle is in place accurately, quick.Owing to be provided with lower support seat setting device 20, increased the stability of oxygen rifle 5 again, rocking when minimizing oxygen rifle moves up and down with dolly in oxygen rifle 5 bottoms.After adopting such structure, shortened the centering adjustment time of converter oxygen gun 5 greatly, generally be no more than 10 minutes, make also corresponding minimizing of the time that loosens, tighten of standing bolt simultaneously.Improved the operating rate of converter, minimizing causes the time of blowing out because of the oxygen rifle of producing has an accident.Alleviated working strength of workers, reduced work hours 80%, national hundreds of block converter oxygen rifle will be created very big economic benefit as all adopting this technology.

Claims

1, a kind of oxygen rifle is fixed and setting device, comprise trolley platform (1), supporting seat (2), permanent seat parts such as (3), on supporting seat (2) and trolley platform (1) correspondence position, have U-lag (4), stretch out from U-lag (4) on oxygen rifle (5) top, oxygen rifle (5) and permanent seat (3) welding, it is characterized in that: segment (6) is offered in supporting seat (2) middle part, and permanent seat (3) sphere overlaps with segment (6) internal surface; Supporting seat (2) adopts four L shaped briquettings (7) of symmetric arrangement to fix the oxygen rifle with permanent seat (3); Be positioned at oxygen rifle (5) bottom in trolley platform (1) below and also be provided with lower support seat setting device (20); Below lower support seat setting device, be provided with and adjust service platform (9).

2, oxygen rifle according to claim 1 is fixed and setting device, it is characterized in that: form by stationary bearing (10) and two shifting bearings (11), (12) at described lower support seat setting device (20), stationary bearing (10) is connected with bearing pin (13) with two shifting bearings (11), (12) respectively, connect with bolt (14) between two shifting bearings (11), (12), directly stretch out from the annular chamber of being made up of stationary bearing 10 and shifting bearing (11), (12) oxygen rifle (5) bottom; On stationary bearing (10), shifting bearing (11), (12), be provided with 4 respectively symmetrically and adjust bolt (15) adjustment and fixed oxygen rifle (5).

3, oxygen rifle according to claim 1 is fixed and setting device, it is characterized in that: on supporting seat (2), the other end is on permanent seat (3) at described L shaped briquetting (7) one ends, and L shaped briquetting (7) adopts standing bolt (8) to be connected with supporting seat (2).