CN102534108B - Oxygen lance transmission device of oxygen top blown steel-making converting furnace - Google Patents
Oxygen lance transmission device of oxygen top blown steel-making converting furnace Download PDFInfo
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- CN102534108B CN102534108B CN201110227734.XA CN201110227734A CN102534108B CN 102534108 B CN102534108 B CN 102534108B CN 201110227734 A CN201110227734 A CN 201110227734A CN 102534108 B CN102534108 B CN 102534108B
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- oxygen rifle
- rod
- oxygen
- trolley track
- dolly
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Abstract
The invention provides an oxygen lance transmission device for an oxygen top blown steel-making converting furnace, which comprises an oxygen lance trolley track (6), an oxygen lance trolley (2), a full rotation pulley block (3), a piston shoe steel wire rope loosing protector (4) and an oxygen lance (12). The oxygen lance trolley track (6) adopts a closed structure with a section in a shape of a right trapezoid, the mechanical strength of the structure is higher than that of a structure with an opened H-shaped section, and problems of an H-shaped track of being difficult in section processing, easy to deform and the like are solved. A matching gap between the oxygen lance trolley (2) and the oxygen lance trolley track (6) is even, and the oxygen lance trolley operates stably when bearing side pressure generated by an oxygen blowing pipe (12) and a cooling water pipe. The piston shoe steel wire rope loosing protector (4) is novel in structure and has the advantages of being fast in reaction speed, short in braking distance and big in braking torque. A lance position of the oxygen blowing pipe (12) can be controlled accurately, and blowing loss rate of a steel material and erosion on a converter lining are effectively reduced. Oxygen blowing operation time is shortened, energy is saved, and economical benefit is remarkable.
Description
Technical field
The present invention relates to the top-blown oxygen steelmaking converter equipment technical field, be specifically related to the oxygen rifle transmission mechanism of top-blown oxygen steelmaking converter.
Background technology
The oxygen rifle is one of key equipment of converter steelmaking production.The pipe of top-blown oxygen steelmaking converter (oxygen rifle) is arranged on the oxygen rifle dolly moved with the converter mouth vertical direction, the upper and lower operation in oxygen rifle trolley track of the wheel of dolly.The smooth running of the little vehicle device of oxygen rifle is quite important to the steel-making safety in production.What at present, the rail section shape of the oxygen rifle dolly of domestic converter steelmaking factory all adopted is the double H-type cross section.In the double H-type cross section, have six faces to contact with oxygen rifle car wheel, difficulty of processing is large.In welding process and in transportation, the track of oxygen rifle dolly also is easy to distortion, and the precision of gauge is difficult to guarantee.Will have influence on like this steady of oxygen rifle trolley travelling, thereby affect the production safety of top-blown oxygen steelmaking converter.(120 tons of top-blown oxygen steelmaking converter product descriptions of Jilin iron and steel limited liability company.
In order to solve the problem of prior art existence, the invention provides the oxygen rifle transmission mechanism of top-blown oxygen steelmaking converter.
The oxygen rifle transmission mechanism of top-blown oxygen steelmaking converter provided by the invention, comprise oxygen rifle trolley track 6, oxygen rifle dolly 2, full rotation tackleblock 3 and skid shoe type steel wire rope looseness protector 4 and oxygen rifle 12;
As shown in Figure 1 and Figure 2, there are two tracks oxygen rifle vehicle guide unit 1, and every guide rail connects and composes in turn by plural oxygen rifle trolley track 6;
As shown in Figure 7, oxygen rifle trolley track 6 is that the cross section of the quadrangular casing of both ends open is at right angles trapezoidal, is welded with the rectangular trapezoidal stiffening plate of cross section in the quadrangular casing of both ends open with a quadrangular casing of the both ends open of Plate Welding; The quadrangular casing of two rectangular trapezoidal both ends opens of cross section is staggered relatively and inclined-plane is outside in the horizontal direction, the first junction plate 7 is welded on the support 5 by the shaped steel welding, the second web plate 8 is welded on oxygen rifle trolley track 6, with high strength bolt 9, the first web plate 7 is fixedly connected with the second web plate 8 web plates, described two oxygen rifle trolley tracks 6 form one section swallow-tailed oxygen rifle trolley track; Swallow-tailed oxygen rifle trolley track more than two sections forms oxygen rifle trolley track unit 1, and oxygen rifle trolley track unit 1 is fixedly connected with the support 5 of the vertical placement of shaped steel welding; The quadrangular casing of two adjacent identical both ends opens of shape of described oxygen rifle trolley track 6 adopts respectively tenon type structure to be fixedly connected with flush bolt;
Oxygen rifle dolly 2 is the casings of the quadrangular by the sealing of Plate Welding, and there is a recessed dovetail-indent in the central authorities of a side of the quadrangular casing of this sealing; Oxygen rifle trolley track unit 1 is placed in this recessed dovetail-indent, on the sloped contact surface of each oxygen rifle trolley track 6 of the recessed dovetail-indent of each oxygen rifle dolly 2 and oxygen rifle trolley track unit 1 and adjacent another straight contact surface, 2 groups of rollers 11 is all arranged; By group roller 11, can make oxygen rifle dolly 2 move up and down along oxygen rifle trolley track unit 1; The structure that this structure and connection are similar to the guide rail of the tailstock of lathe and dovetail type is connected;
At the recessed dovetail-indent of oxygen rifle dolly 2 on the plane of relative bottom surface, one group of oxygen gun bracket 10 of vertical welding, a square flange of welding on oxygen rifle 12, oxygen rifle 12 just is fixedly mounted on high strength bolt by square flange on the oxygen gun bracket 10 of oxygen rifle dolly 2, with oxygen rifle dolly 2, moves up and down and to oxygen blast (see figure 6) in top-blown oxygen steelmaking converter; Oxygen rifle dolly 2 of the present invention is even with oxygen rifle trolley track 6 tolerance clearances, and when bearing the wall pressure of oxygen rifle 12 and water-cooled tube generation, oxygen rifle trolley travelling is more steady.
In order to make oxygen rifle dolly 2 operation more steady, the supporting tackleblock unit that adopted also.
The tackleblock 3 of two groups of full rotations forms the tackleblock unit, and tackleblock unit traction oxygen rifle dolly 2 moves up and down in oxygen rifle trolley track unit 1; The tackleblock 3 of two groups of full rotations all adopts totally-enclosed shield cap 13, effectively prevents that wireline 18 from falling groove, causes equipment breakdown;
As shown in Figure 8, the tackleblock 3 of full rotation is arranged in U-shaped jaw 14 by axle; Below axle U-shaped jaw 14, individual circular hole is arranged, the upper end of vertical shaft 15 penetrates in U-shaped jaw 14 from described hole, is placed in the endoporus of a thrust block 17 of U-shaped jaw 14, and the screw thread with nut by vertical shaft 15 upper ends is thrust block 17 and vertical shaft 15 lockings;
Vertical shaft 15 bottoms are inserted in the axle sleeve in the bearing 16 of oxygen rifle dolly 2, and axle sleeve is connected by key with bearing 16, and vertical shaft 15 can vertical direction move up and down in axle sleeve; Bearing 16 is fixedly connected with oxygen rifle dolly 2 by web member, as shown in Figure 6;
There is internal thread the lower end of vertical shaft 15, and there is outside screw the upper end of pull bar 22, and after pull bar 22 outside cover upper springs 21, pull bar 22 and vertical shaft 15 are threaded connection, thereby the tackleblock 3 of full rotation is linked together by U-shaped jaw 14 and vertical shaft 15 and pull bar 22; Perhaps, pull bar 22 also can manufacture integral type, saves pull bar 22, and axle 15 length are extended and get final product;
Tackleblock 3 can also be done 360 degree around vertical shaft 15 together with U-shaped jaw 14 and rotate, and the wireline 18 of traction oxygen rifle trolley travelling also can be consistent with the steel wire rope groove direction on reel with the rotation maintenance of full rotation tackleblock 3; Can make like this wireline on the oxygen lance lifting reel stressed more reasonable, reduce the wearing and tearing of wireline.
The tackleblock 3 of the annexation of the tackleblock 3 of another full rotation and oxygen rifle dolly 2 and skid shoe type steel wire rope looseness protector 4 and above-mentioned full rotation is just the same;
As shown in Fig. 8, Fig. 9, Figure 10, Figure 11, two groups of skid shoe type steel wire rope looseness protectors 4 form skid shoe type steel wire rope looseness protector unit;
Skid shoe type steel wire rope looseness protector 4 is comprised of wedge 19 and wedge shape piston shoes seat 20 and spring 21, adjustable connecting-rod 24, the first bearing pin 23 and the second bearing pin 25;
The swallow-tailed fin of the lower end central authorities of wedge 19 is inserted in the dovetail-indent with same gradient concavity of central part on wedge shape piston shoes seat 20 surfaces, and wedge 19 can move along the dovetail-indent of wedge shape piston shoes seat 20;
Wedge 19 upper end central parts have a groove, the contiguous block that the hole of a horizontal direction is arranged of lower end welding of pull bar 22, and this contiguous block is placed in the groove of wedge 19 upper ends;
Respectively there is an adjustable connecting-rod 24 on wedge 19 both sides; The adjusted screw rod of adjustable connecting-rod 24 top be the flats round end, there is the adjusting screw(rod) axis hole in flats round end central authorities; The first bearing pin 23 passes from the adjusting screw(rod) axis hole on adjustable connecting-rod 24 tops, axis hole through the horizontal direction of the bottom contiguous block of wedge 19 grooves and described pull bar 22, again through another adjustable connecting-rod 24 top adjusting screw(rod) axis holes, the adjusted screw rod of pull bar 22, wedge 19, two adjustable connecting-rods 24 is coupled together;
An axis hole is arranged at the top of wedge shape piston shoes seat 20, the lower adjusting screw(rod) of adjustable connecting-rod 24 top be the flats round end, there is the adjusting screw(rod) axis hole in flats round end central authorities; The second bearing pin 25 passes from an adjustable connecting-rod 24 bottom adjusting screw(rod) axis holes, from the axis hole on wedge shape piston shoes seat 20 tops passes, pass from 24 adjusting screw(rod) axis holes of another adjustable connecting-rod again, the lower adjusting screw(rod) of wedge 19, piston shoes seat 20, adjustable connecting-rod 24 is coupled together;
Be positioned at a following axis hole in addition in the hole on described top on wedge shape piston shoes seat 20, bearing pin 26 is through this axis hole, and insert in the interior axle sleeve of bearings 28 at bearing pin 26 head and the tail two ends; Bearing 28 is fixedly connected with oxygen rifle dolly 2;
Adjustable connecting-rod 24 is comprised of upper and lower two adjusting screw(rod)s and setter, and there is outside screw the lower end of adjusted screw rod; Also there is outside screw the upper end of lower adjusting screw(rod); The thread rotary orientation of upper and lower two adjusting screw(rod)s is contrary; Setter is that one section cross section is square bar, and the end face central authorities of its square pole are female hole all, and the lower end of the adjusted screw rod of adjustable connecting-rod 24 is placed in the upper end of setter and is threaded connection; The upper end of the lower adjusting screw(rod) of adjustable connecting-rod 24 is placed in the lower end of setter and is threaded connection; Rotary actuator is regulated the length of adjustable connecting-rod 24, and then can regulate the suitable gap of brake facing 27 and oxygen rifle trolley track 6;
Each wedge shape piston shoes seat 20 all is placed in the square hole of a horizontal direction on oxygen rifle dolly 2, and wedge shape piston shoes seat 20 fixedly is being inlaid with brake facing 27 with the relative another side on inclined-plane, and brake facing 27 is relative with the track 6 of oxygen rifle dolly;
When the steel wire rope looseness of full rotation tackleblock 3 or while fractureing, pull bar 22 is under the action of gravity of the spring force of spring 21 of compression and tractive pulley element, wedge 19 is along the 20 downward landings in inclined-plane of wedge shape piston shoes seat, wedge shape piston shoes seat 20 rotates counterclockwise to oxygen rifle dolly 2 vertical direction around axle 26, brake facing 27 is pressed on the track 6 of oxygen rifle dolly, the whereabouts that has stoped oxygen rifle dolly 2, the generation of anti-falling stop rifle accident effectively.
When the silk rope of steel full rotation tackleblock 3 is mentioned full rotation tackleblock 3, wedge 19 is along wedge shape piston shoes seat 20 inclined-plane upward slidings, bearing pin 23 drives wedge shape piston shoes seat 20 and clockwise rotates to oxygen rifle dolly 2 vertical direction around axle 26, brake facing 27 disengages with oxygen rifle trolley track 6, restPoses.
beneficial effect:the oxygen gun apparatus of top-blown oxygen steelmaking converter provided by the invention, the right-angled trapezium cross sectional rail has formed a kind of structure of sealing, the H type cross section of its physical strength ratio open higher.The connection of every section track all adopts tenon type structure, with flush bolt, fixes.Play movement is little, and trolley travelling is more steady.Oxygen rifle vehicle guide 1 processing is easy, and working accuracy is high, and the rigidity of track is large, has solved H type rail section difficult processing, the problem such as yielding.Oxygen rifle dolly 2 is even with oxygen rifle trolley track 6 tolerance clearances, and when bearing the wall pressure of oxygen lance 12 and water-cooled tube generation, oxygen rifle trolley travelling is more steady.
Skid shoe type steel wire rope looseness protector 4 novel structures, have speed of response fast, and stopping distance is short, the characteristics that braking moment is large.
Top-blown oxygen converter oxygen rifle transmission mechanism operates steadily, safe.The rifle position of oxygen lance 12 can accurately be controlled, and effectively reduces the blow loss rate of iron and steel stock and to the erosion of converter lining.Shorten the oxygen blast activity duration, save energy.Economic benefit is obvious. the accompanying drawing explanation
Fig. 1 is the front view of the schematic diagram of top-blown oxygen converter oxygen rifle transmission mechanism.
Fig. 2 is the left view of the schematic diagram of top-blown oxygen converter oxygen rifle transmission mechanism.
Fig. 3 is used to refer to the location view of A and B partial enlarged drawing in the left view of schematic diagram of top-blown oxygen converter oxygen rifle transmission mechanism.
Fig. 4 is the A partial enlarged view of Fig. 3.
Fig. 5 is B partial enlarged view in Fig. 3.
Fig. 6 is structure and the annexation schematic diagram in order to show one group of oxygen gun bracket 10 in the front view of schematic diagram of top-blown oxygen converter oxygen rifle transmission mechanism.
Fig. 7 is the cross sectional representation of Fig. 6.
Fig. 8 is the tackleblock 3 of full rotation and the annexation schematic diagram of skid shoe type steel wire rope looseness protector 4 and adjustable connecting-rod 24.
Fig. 9 is used to refer to the schematic diagram of C partial enlarged view position in top-blown oxygen converter oxygen rifle transmission mechanism side-view.
Figure 10 is C partial enlarged view in Fig. 9.
Figure 11 is the D-D cross section view of C partial enlarged view in Figure 10.This figure is used for structure and the annexation of skid shoe type steel wire rope looseness protector 4.Embodiment
The oxygen rifle transmission mechanism of embodiment 1 top-blown oxygen steelmaking converter provided by the invention, comprise oxygen rifle trolley track 6, oxygen rifle dolly 2, full rotation tackleblock 3 and skid shoe type steel wire rope looseness protector 4 and oxygen rifle 12;
As shown in Figure 1 and Figure 2, there are two tracks oxygen rifle vehicle guide unit 1, and every guide rail connects and composes in turn by plural oxygen rifle trolley track 6;
As shown in Figure 7, oxygen rifle trolley track 6 is that the cross section of the quadrangular casing of both ends open is at right angles trapezoidal, is welded with the rectangular trapezoidal stiffening plate of cross section in the quadrangular casing of both ends open with a quadrangular casing of the both ends open of Plate Welding; The quadrangular casing of two rectangular trapezoidal both ends opens of cross section is staggered relatively and inclined-plane is outside in the horizontal direction, the first junction plate 7 is welded on the support 5 by the shaped steel welding, the second web plate 8 is welded on oxygen rifle trolley track 6, with high strength bolt 9, the first web plate 7 is fixedly connected with the second web plate 8 web plates, described two oxygen rifle trolley tracks 6 form one section swallow-tailed oxygen rifle trolley track; Swallow-tailed oxygen rifle trolley track more than two sections forms oxygen rifle trolley track unit 1, and oxygen rifle trolley track unit 1 is fixedly connected with the support 5 of the vertical placement of shaped steel welding; The quadrangular casing of two adjacent identical both ends opens of shape of described oxygen rifle trolley track 6 adopts respectively tenon type structure to be fixedly connected with flush bolt;
Oxygen rifle dolly 2 is the casings of the quadrangular by the sealing of Plate Welding, and there is a recessed dovetail-indent in the central authorities of a side of the quadrangular casing of this sealing; Oxygen rifle trolley track unit 1 is placed in this recessed dovetail-indent, on the sloped contact surface of each oxygen rifle trolley track 6 of the recessed dovetail-indent of each oxygen rifle dolly 2 and oxygen rifle trolley track unit 1 and adjacent another straight contact surface, 2 groups of rollers 11 is all arranged; By group roller 11, can make oxygen rifle dolly 2 move up and down along oxygen rifle trolley track unit 1; The structure that this structure and connection are similar to the guide rail of the tailstock of lathe and dovetail type is connected;
At the recessed dovetail-indent of oxygen rifle dolly 2 on the plane of relative bottom surface, one group of oxygen gun bracket 10 of vertical welding, a square flange of welding on oxygen rifle 12, oxygen rifle 12 just is fixedly mounted on high strength bolt by square flange on the oxygen gun bracket 10 of oxygen rifle dolly 2, with oxygen rifle dolly 2, moves up and down and to oxygen blast (see figure 6) in top-blown oxygen steelmaking converter; Oxygen rifle dolly 2 of the present invention is even with oxygen rifle trolley track 6 tolerance clearances, and when bearing the wall pressure of oxygen rifle 12 and water-cooled tube generation, oxygen rifle trolley travelling is more steady.
In order to make oxygen rifle dolly 2 operation more steady, the supporting tackleblock unit that adopted also.
The tackleblock 3 of two groups of full rotations forms the tackleblock unit, and tackleblock unit traction oxygen rifle dolly 2 moves up and down in oxygen rifle trolley track unit 1; The tackleblock 3 of two groups of full rotations all adopts totally-enclosed shield cap 13, effectively prevents that wireline 18 from falling groove, causes equipment breakdown;
As shown in Figure 8, the tackleblock 3 of full rotation is arranged in U-shaped jaw 14 by axle; Below axle U-shaped jaw 14, individual circular hole is arranged, the upper end of vertical shaft 15 penetrates in U-shaped jaw 14 from described hole, is placed in the endoporus of a thrust block 17 of U-shaped jaw 14, and the screw thread with nut by vertical shaft 15 upper ends is thrust block 17 and vertical shaft 15 lockings;
Vertical shaft 15 bottoms are inserted in the axle sleeve in the bearing 16 of oxygen rifle dolly 2, and axle sleeve is connected by key with bearing 16, and vertical shaft 15 can vertical direction move up and down in axle sleeve; Bearing 16 is fixedly connected with oxygen rifle dolly 2 by web member, as shown in Figure 6;
There is internal thread the lower end of vertical shaft 15, and there is outside screw the upper end of pull bar 22, and after pull bar 22 outside cover upper springs 21, pull bar 22 and vertical shaft 15 are threaded connection, thereby the tackleblock 3 of full rotation is linked together by U-shaped jaw 14 and vertical shaft 15 and pull bar 22; Perhaps, pull bar 22 also can manufacture integral type, saves pull bar 22, and axle 15 length are extended and get final product;
Tackleblock 3 can also be done 360 degree around vertical shaft 15 together with U-shaped jaw 14 and rotate, and the wireline 18 of traction oxygen rifle trolley travelling also can be consistent with the steel wire rope groove direction on reel with the rotation maintenance of full rotation tackleblock 3; Can make like this wireline on the oxygen lance lifting reel stressed more reasonable, reduce the wearing and tearing of wireline.
The tackleblock 3 of the annexation of the tackleblock 3 of another full rotation and oxygen rifle dolly 2 and skid shoe type steel wire rope looseness protector 4 and above-mentioned full rotation is just the same;
As shown in Fig. 8, Fig. 9, Figure 10, Figure 11, two groups of skid shoe type steel wire rope looseness protectors 4 form skid shoe type steel wire rope looseness protector unit;
Skid shoe type steel wire rope looseness protector 4 is comprised of wedge 19 and wedge shape piston shoes seat 20 and spring 21, adjustable connecting-rod 24, the first bearing pin 23 and the second bearing pin 25;
The swallow-tailed fin of the lower end central authorities of wedge 19 is inserted in the dovetail-indent with same gradient concavity of central part on wedge shape piston shoes seat 20 surfaces, and wedge 19 can move along the dovetail-indent of wedge shape piston shoes seat 20;
Wedge 19 upper end central parts have a groove, the contiguous block that the hole of a horizontal direction is arranged of lower end welding of pull bar 22, and this contiguous block is placed in the groove of wedge 19 upper ends;
Respectively there is an adjustable connecting-rod 24 on wedge 19 both sides; The adjusted screw rod of adjustable connecting-rod 24 top be the flats round end, there is the adjusting screw(rod) axis hole in flats round end central authorities; The first bearing pin 23 passes from the adjusting screw(rod) axis hole on adjustable connecting-rod 24 tops, axis hole through the horizontal direction of the bottom contiguous block of wedge 19 grooves and described pull bar 22, again through another adjustable connecting-rod 24 top adjusting screw(rod) axis holes, the adjusted screw rod of pull bar 22, wedge 19, two adjustable connecting-rods 24 is coupled together;
An axis hole is arranged at the top of wedge shape piston shoes seat 20, the lower adjusting screw(rod) of adjustable connecting-rod 24 top be the flats round end, there is the adjusting screw(rod) axis hole in flats round end central authorities; The second bearing pin 25 passes from an adjustable connecting-rod 24 bottom adjusting screw(rod) axis holes, from the axis hole on wedge shape piston shoes seat 20 tops passes, pass from 24 adjusting screw(rod) axis holes of another adjustable connecting-rod again, the lower adjusting screw(rod) of wedge 19, piston shoes seat 20, adjustable connecting-rod 24 is coupled together;
Be positioned at a following axis hole in addition in the hole on described top on wedge shape piston shoes seat 20, bearing pin 26 is through this axis hole, and insert in the interior axle sleeve of bearings 28 at bearing pin 26 head and the tail two ends; Bearing 28 is fixedly connected with oxygen rifle dolly 2;
Adjustable connecting-rod 24 is comprised of upper and lower two adjusting screw(rod)s and setter, and there is outside screw the lower end of adjusted screw rod; Also there is outside screw the upper end of lower adjusting screw(rod); The thread rotary orientation of upper and lower two adjusting screw(rod)s is contrary; Setter is that one section cross section is square bar, and the end face central authorities of its square pole are female hole all, and the lower end of the adjusted screw rod of adjustable connecting-rod 24 is placed in the upper end of setter and is threaded connection; The upper end of the lower adjusting screw(rod) of adjustable connecting-rod 24 is placed in the lower end of setter and is threaded connection; Rotary actuator is regulated the length of adjustable connecting-rod 24, and then can regulate the suitable gap of brake facing 27 and oxygen rifle trolley track 6;
Each wedge shape piston shoes seat 20 all is placed in the square hole of a horizontal direction on oxygen rifle dolly 2, and wedge shape piston shoes seat 20 fixedly is being inlaid with brake facing 27 with the relative another side on inclined-plane, and brake facing 27 is relative with the track 6 of oxygen rifle dolly;
When the steel wire rope looseness of full rotation tackleblock 3 or while fractureing, pull bar 22 is under the action of gravity of the spring force of spring 21 of compression and tractive pulley element, wedge 19 is along the 20 downward landings in inclined-plane of wedge shape piston shoes seat, wedge shape piston shoes seat 20 rotates counterclockwise to oxygen rifle dolly 2 vertical direction around axle 26, brake facing 27 is pressed on the track 6 of oxygen rifle dolly, the whereabouts that has stoped oxygen rifle dolly 2, the generation of anti-falling stop rifle accident effectively.
When the silk rope of steel full rotation tackleblock 3 is mentioned full rotation tackleblock 3, wedge 19 is along wedge shape piston shoes seat 20 inclined-plane upward slidings, bearing pin 23 drives wedge shape piston shoes seat 20 and clockwise rotates to oxygen rifle dolly 2 vertical direction around axle 26, brake facing 27 disengages with oxygen rifle trolley track 6, restPoses.
Claims (1)
1. the oxygen rifle transmission mechanism of top-blown oxygen steelmaking converter, is characterized in that, comprises oxygen rifle trolley track (6), oxygen rifle dolly (2), full rotation tackleblock (3) and skid shoe type steel wire rope looseness protector (4) and oxygen rifle (12);
There are two tracks oxygen rifle vehicle guide unit (1), and every guide rail connects and composes in turn by plural oxygen rifle trolley track (6);
Oxygen rifle trolley track (6) is that the cross section of the quadrangular casing of both ends open is at right angles trapezoidal, is welded with the rectangular trapezoidal stiffening plate of cross section in the quadrangular casing of both ends open with a quadrangular casing of the both ends open of Plate Welding; The quadrangular casing of two rectangular trapezoidal both ends opens of cross section is staggered relatively and inclined-plane is outside in the horizontal direction, the first web plate (7) is welded on the support (5) by the shaped steel welding, the second web plate (8) is welded on oxygen rifle trolley track (6), with high strength bolt (9), the first web plate (7) is fixedly connected with the second web plate (8) web plate, described oxygen rifle trolley track (6) forms one section swallow-tailed oxygen rifle trolley track; Swallow-tailed oxygen rifle trolley track more than two sections forms oxygen rifle trolley track unit (1), and oxygen rifle trolley track unit (1) is fixedly connected with the support (5) of the vertical placement of shaped steel welding; The quadrangular casing of two adjacent identical both ends opens of shape of described oxygen rifle trolley track (6) adopts respectively tenon type structure to be fixedly connected with flush bolt;
Oxygen rifle dolly (2) is a casing of the quadrangular by the sealing of Plate Welding, and there is a recessed dovetail-indent in the central authorities of a side of the quadrangular casing of this sealing; Oxygen rifle trolley track unit (1) is placed in this recessed dovetail-indent, on the sloped contact surface of each oxygen rifle trolley track (6) of the recessed dovetail-indent of each oxygen rifle dolly (2) and oxygen rifle trolley track unit (1) and adjacent another straight contact surface, 2 groups of rollers (11) is all arranged; By group roller (11), can make oxygen rifle dolly (2) move up and down along oxygen rifle trolley track unit (1);
At the recessed dovetail-indent of oxygen rifle dolly (2) on the plane of relative bottom surface, one group of oxygen gun bracket of vertical welding (10), a square flange of the upper welding of oxygen rifle (12), the oxygen gun bracket (10) that oxygen rifle (12) just is fixedly mounted on oxygen rifle dolly (2) by square flange with high strength bolt is upper, with oxygen rifle dolly (2), moves up and down and to oxygen blast in top-blown oxygen steelmaking converter;
The tackleblock of two groups of full rotations (3) forms the tackleblock unit, and tackleblock unit traction oxygen rifle dolly (2) moves up and down in oxygen rifle trolley track unit (1); The tackleblock of two groups of full rotations (3) all adopts totally-enclosed shield cap (13) to prevent that wireline (18) from falling the groove event;
The tackleblock of full rotation (3) is arranged in U-shaped jaw (14) by axle; Below axle U-shaped jaw (14), individual circular hole is arranged, the upper end of vertical shaft (15) penetrates in U-shaped jaw (14) from described hole, be placed in the endoporus of a thrust block (17) of U-shaped jaw (14), the screw thread with nut by vertical shaft (15) upper end is thrust block (17) and vertical shaft (15) locking;
Vertical shaft (15) bottom is inserted in the axle sleeve in the bearing (16) of oxygen rifle dolly (2), and axle sleeve is connected by key with bearing (16), and vertical shaft (15) can vertical direction move up and down in axle sleeve; Bearing (16) is fixedly connected with oxygen rifle dolly (2) by web member;
There is internal thread the lower end of vertical shaft (15), there is outside screw the upper end of pull bar (22), after pull bar (22) outside cover upper spring (21), pull bar (22) and vertical shaft (15) are threaded connection, thereby the tackleblock (3) of full rotation is linked together by U-shaped jaw (14) and vertical shaft (15) and pull bar (22); Perhaps, pull bar (22) also can manufacture integral type, saves pull bar (22), and axle (15) length is extended and gets final product;
Tackleblock (3) can also be done 360 degree around vertical shaft (15) together with U-shaped jaw (14) and rotate, and the wireline (18) of traction oxygen rifle trolley travelling also can be consistent with the steel wire rope groove direction on reel with the rotation maintenance of full rotation tackleblock (3);
The tackleblock (3) of the annexation of the tackleblock of another full rotation (3) and oxygen rifle dolly (2) and skid shoe type steel wire rope looseness protector (4) and above-mentioned full rotation is just the same;
Two groups of skid shoe type steel wire rope looseness protectors (4) form skid shoe type steel wire rope looseness protector unit;
Skid shoe type steel wire rope looseness protector (4) is comprised of wedge (19) and wedge shape piston shoes seat (20) and spring (21), adjustable connecting-rod (24), the first bearing pin (23) and the second bearing pin (25);
The swallow-tailed fin of the lower end central authorities of wedge (19) is inserted in the dovetail-indent with same gradient concavity of the surperficial central part of wedge shape piston shoes seat (20), and wedge (19) can be along the dovetail-indent motion of wedge shape piston shoes seat (20);
Wedge (19) upper end central part has a groove, the contiguous block that the hole of a horizontal direction is arranged of lower end welding of pull bar (22), and this contiguous block is placed in the groove of wedge (19) upper end;
Respectively there is an adjustable connecting-rod (24) on wedge (19) both sides; The adjusted screw rod of adjustable connecting-rod (24) top be the flats round end, there is the adjusting screw(rod) axis hole in flats round end central authorities; The first bearing pin (23) passes from the adjusting screw(rod) axis hole on an adjustable connecting-rod (24) top, axis hole through the horizontal direction of the bottom contiguous block of wedge (19) groove and described pull bar (22), through another adjustable connecting-rod (24) top adjusting screw(rod) axis hole, the adjusted screw rod of pull bar (22), wedge (19), two adjustable connecting-rods (24) is coupled together again;
An axis hole is arranged at the top of wedge shape piston shoes seat (20), the lower adjusting screw(rod) of adjustable connecting-rod (24) top be the flats round end, there is the adjusting screw(rod) axis hole in flats round end central authorities; The second bearing pin (25) passes from the adjusting screw(rod) axis hole of an adjustable connecting-rod (24) bottom, from the axis hole on wedge shape piston shoes seat (20) top passes, pass from another adjustable connecting-rod (24) section adjusting screw(rod) axis hole again, the lower adjusting screw(rod) of wedge (19), piston shoes seat (20), adjustable connecting-rod (24) is coupled together;
Be positioned at a following axis hole in addition of the axis hole on described top on wedge shape piston shoes seat (20), bearing pin (26) is through this axis hole, and insert in the interior axle sleeve of bearings (28) at bearing pin (26) head and the tail two ends; Bearing (28) is fixedly connected with oxygen rifle dolly (2);
Adjustable connecting-rod (24) is comprised of upper and lower two adjusting screw(rod)s and setter, and there is outside screw the lower end of adjusted screw rod; Also there is outside screw the upper end of lower adjusting screw(rod); The thread rotary orientation of upper and lower two adjusting screw(rod)s is contrary; Setter is that one section cross section is square bar, and the end face central authorities of its square pole are female hole all, and the lower end of the adjusted screw rod of adjustable connecting-rod (24) is placed in the upper end of setter and is threaded connection; The upper end of the lower adjusting screw(rod) of adjustable connecting-rod (24) is placed in the lower end of setter and is threaded connection;
Each wedge shape piston shoes seat (20) all is placed in the square hole of a horizontal direction on oxygen rifle dolly (2), wedge shape piston shoes seat (20) fixedly is being inlaid with brake facing (27) with the relative another side on inclined-plane, and brake facing (27) is relative with the track (6) of oxygen rifle dolly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110227734.XA CN102534108B (en) | 2011-08-10 | 2011-08-10 | Oxygen lance transmission device of oxygen top blown steel-making converting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110227734.XA CN102534108B (en) | 2011-08-10 | 2011-08-10 | Oxygen lance transmission device of oxygen top blown steel-making converting furnace |
Publications (2)
| Publication Number | Publication Date |
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| CN102534108A CN102534108A (en) | 2012-07-04 |
| CN102534108B true CN102534108B (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110227734.XA Expired - Fee Related CN102534108B (en) | 2011-08-10 | 2011-08-10 | Oxygen lance transmission device of oxygen top blown steel-making converting furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113005255B (en) * | 2021-02-23 | 2022-06-07 | 浙江友谊新材料有限公司 | Top-blown smelting device capable of increasing stirring degree |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2556206Y (en) * | 2002-06-12 | 2003-06-18 | 涟源钢铁集团有限公司 | Anti-falling oxygen gun |
| CN201162020Y (en) * | 2007-12-18 | 2008-12-10 | 北京金自天正智能控制股份有限公司 | Oxygen gun control device |
| CN201180145Y (en) * | 2008-04-02 | 2009-01-14 | 深圳市库马克新技术股份有限公司 | Revolving furnace incline movement and oxygen gun hoisting control system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05195037A (en) * | 1992-01-24 | 1993-08-03 | Kawasaki Steel Corp | Top blowing oxygen lance in converter |
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2011
- 2011-08-10 CN CN201110227734.XA patent/CN102534108B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2556206Y (en) * | 2002-06-12 | 2003-06-18 | 涟源钢铁集团有限公司 | Anti-falling oxygen gun |
| CN201162020Y (en) * | 2007-12-18 | 2008-12-10 | 北京金自天正智能控制股份有限公司 | Oxygen gun control device |
| CN201180145Y (en) * | 2008-04-02 | 2009-01-14 | 深圳市库马克新技术股份有限公司 | Revolving furnace incline movement and oxygen gun hoisting control system |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平5-195037A 1993.08.03 |
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| CN102534108A (en) | 2012-07-04 |
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