CN211921621U - Maintenance frame of oxygen lance for steelmaking - Google Patents

Maintenance frame of oxygen lance for steelmaking Download PDF

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Publication number
CN211921621U
CN211921621U CN202020561222.1U CN202020561222U CN211921621U CN 211921621 U CN211921621 U CN 211921621U CN 202020561222 U CN202020561222 U CN 202020561222U CN 211921621 U CN211921621 U CN 211921621U
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CN
China
Prior art keywords
base
steelmaking
circular arc
arc groove
locking mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020561222.1U
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Chinese (zh)
Inventor
李华东
韩方栋
杨琼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Jinhong Iron And Steel Group Co ltd
Original Assignee
Xuzhou Jinhong Iron And Steel Group Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xuzhou Jinhong Iron And Steel Group Co ltd filed Critical Xuzhou Jinhong Iron And Steel Group Co ltd
Priority to CN202020561222.1U priority Critical patent/CN211921621U/en
Application granted granted Critical
Publication of CN211921621U publication Critical patent/CN211921621U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an overhaul frame of oxygen rifle for steelmaking, its characterized in that: including base, truckle, positioning mechanism and locking mechanism, truckle evenly distributed is in the bottom of base, the positioning mechanism symmetry is installed on the base, and it includes pivot, infrabasal plate and upper substrate, the pivot is rotated and is installed the lateral part of base, infrabasal plate fixed mounting is in the pivot, and has seted up first circular arc groove on it, the second circular arc groove has been seted up on the upper substrate, upper substrate articulated install on the infrabasal plate, and it pass through the hasp with infrabasal plate fixed connection, the utility model discloses the advantage compared with prior art lies in: can make the removal of base more nimble through the truckle, the position of the adjustment oxygen rifle of being convenient for through positioning mechanism and locking mechanism, makes the oxygen rifle can fix on the base to can rotate and fix a position, make the upset and the location of oxygen rifle very convenient, effectively improved the maintenance efficiency of oxygen rifle.

Description

Maintenance frame of oxygen lance for steelmaking
Technical Field
The utility model relates to an oxygen rifle technical field is used in the steelmaking, specifically indicates an maintenance frame of oxygen rifle is used in steelmaking.
Background
The oxygen lance is one of main process equipment in oxygen converter steelmaking, and mainly comprises a spray head, a sleeve, an oxygen inlet pipe and other parts, the oxygen lance governs important process factors such as the contact area of an oxygen jet flow and a molten pool, the penetration depth of the oxygen jet flow, the stirring state of the molten pool and the like, and plays an important role in slagging, splashing, impurity removal, converter steelmaking end point control and various steelmaking technical and economic indexes. There is a need for improvement.
Disclosure of Invention
The utility model provides an overhaul frame of oxygen rifle for steelmaking, it can solve the technical problem that the oxygen rifle overhauls inefficiency.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides an overhaul frame of oxygen rifle for steelmaking, includes base, truckle, positioning mechanism and locking mechanism, truckle evenly distributed is in the bottom of base, the positioning mechanism symmetry is installed on the base, and it includes pivot, infrabasal plate and upper substrate, the pivot rotates to be installed the lateral part of base, infrabasal plate fixed mounting is in the pivot, and has seted up first circular arc groove on it, the second circular arc groove has been seted up on the upper substrate, upper substrate articulated formula is installed on the infrabasal plate, and it pass through the hasp with infrabasal plate fixed connection, so that first circular arc groove with second circular arc groove cooperatees and forms the fixed orifices, locking mechanism installs on the base, and its with the pivot uses the cooperation, locking mechanism moves so that the pivot location can rotate.
The caster comprises a caster wheel having a brake mechanism.
The central axis of the fixing hole coincides with the central axis of the rotating shaft.
Rubber layers are fixedly mounted on the groove walls of the first arc groove and the second arc groove.
The locking mechanism comprises an arc plate and a spiral spring, the arc plate is slidably mounted on the base, a positioning pin is fixedly mounted on the inner end face of the arc plate along the circumferential direction of the arc plate, a plurality of positioning holes are formed in the outer end face of the rotating shaft on one side of the base, the positioning pin is matched with the positioning holes, the spiral spring is fixedly mounted between the arc plate and the base, and the spiral spring enables the positioning pin to move towards the central shaft of the rotating shaft all the time.
The locking mechanism further comprises a handle, and the handle is fixedly installed on the arc plate.
After the structure is adopted, compared with the prior art, the utility model the advantage that has is: the utility model provides an overhaul frame of oxygen rifle for steelmaking has included base, truckle, positioning mechanism, locking mechanism etc. can make the removal of base more nimble through the truckle, and the position of the oxygen rifle of being convenient for adjust through positioning mechanism and locking mechanism, makes the oxygen rifle can fix on the base to can rotate and fix a position, make the upset and the location of oxygen rifle very convenient, effectively improved the maintenance efficiency of oxygen rifle.
Drawings
FIG. 1 is a schematic view of a maintenance frame of an oxygen lance for steelmaking according to the present invention.
Fig. 2 is a schematic structural view of a portion a in fig. 1.
FIG. 3 is a left side view structure diagram of an overhaul stand of the oxygen lance for steelmaking of the present invention.
Fig. 4 is a schematic structural view of a portion B in fig. 3.
As shown in the figure: 1. the base, 2, truckle, 3, positioning mechanism, 4, locking mechanism, 5, pivot, 6, infrabasal plate, 7, upper substrate, 8, first circular arc groove, 9, second circular arc groove, 10, hasp, 11, fixed orifices, 12, universal wheel, 13, rubber layer, 14, circular arc board, 15, coil spring, 16, locating pin, 17, locating hole, 18, handle.
Detailed Description
The following description is only for the preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, the present invention will be further explained with reference to the drawings and the embodiments.
Examples, see fig. 1-4:
the utility model provides an overhaul frame of oxygen rifle for steelmaking, the oxygen rifle includes sleeve pipe and rifle head, and the oxygen rifle is fixed in order to overhaul on the frame, overhauls the frame and includes base 1, truckle 2, positioning mechanism 3 and locking mechanism 4, truckle 2 evenly distributed is in the bottom of base 1, truckle 2 should adopt four, and four truckles 2 are located four corners of base 1 respectively, and base 1 realizes removing through truckle 2, the maintenance of the oxygen rifle of being convenient for, and wherein, truckle 2 can adopt the fixed pulley, also can adopt movable universal wheel, and is further, truckle 2 is including the universal wheel 12 that has brake mechanism, and the arbitrary turning to of universal wheel 12 can make the removal of base 1 more nimble, and wherein, brake mechanism is used for the location of universal wheel 12, and it makes universal wheel 12 unable rotation, and the brake mechanism on the universal wheel 12 is prior art, no longer gives unnecessary details here.
The positioning mechanisms 3 are used for installing the oxygen lance on the base 1, two groups of positioning mechanisms 3 are adopted, two groups of positioning mechanisms 3 are symmetrically installed on the base 1 and comprise a rotating shaft 5, a lower base plate 6 and an upper base plate 7, the upper base plate 7 and the lower base plate 6 are both of semicircular plate structures, the upper base plate 7 and the lower base plate 6 can be combined to form a circular plate structure, the rotating shaft 5 is rotatably installed on the side portion of the base 1, side plates are fixedly installed on two sides of the upper end face of the base 1, the rotating shaft 5 is rotatably installed on the side plates through bearings, the rotating shaft axial directions of two sides of the base 1 are all located on the same straight line, the lower base plate 6 is fixedly installed on the rotating shaft 5 and is provided with a first arc groove 8, the lower base plate 6 can be fixedly installed on the rotating shaft 5 through a plurality of connecting rods, two ends of the connecting rods are respectively welded on the, so as to ensure the placement of the oxygen lance, the circle center of the first arc groove 8 is positioned on the circle center of the lower base plate 6,
the upper substrate 7 is provided with a second arc groove 9, the circle center of the second arc groove 9 is positioned on the circle center of the upper substrate 7, the inner end surfaces of the first arc groove 8 and the second arc groove 9 are matched with the outer end surface of the sleeve of the oxygen lance, the upper substrate 7 is hinged on the lower substrate 6 and is fixedly connected with the lower substrate 6 through a buckle 10, so that the first arc groove 8 and the second arc groove 9 are matched to form a fixing hole 11, one end of the upper substrate 7 is fixedly provided with a rotating shaft, one end of the lower substrate 6 is fixedly provided with an ear plate, the rotating shaft is movably inserted on the ear plate to realize the hinging of the upper substrate 7 on the lower substrate 6, the buckle comprises a buckle pin and a buckle ring, the buckle pin of the buckle 10 is fixed at the other end of the upper substrate 7, the buckle ring of the buckle 10 is fixed at the other end of the lower substrate 6, and the buckle pin is buckled to realize the fixing of the upper substrate, before opening between the upper substrate 7 and the lower substrate 6, two ends of the oxygen lance are placed in the first arc grooves 8 on two sides of the base 1, then the upper substrate 7 is fixed on the lower substrate 6, so that the oxygen lance is fixed in the fixed hole 11, at the moment, the outer end surface of the oxygen lance is tightly abutted to the hole wall of the fixed hole 11, in order to improve the stable installation of the oxygen lance in the fixed hole 11, further, rubber layers 13 are fixedly arranged on the groove walls of the first arc groove 8 and the second arc groove 9, the rubber layers 13 are made of rubber materials, the rubber layers 13 can increase the friction force between the oxygen lance and the hole wall of the fixed hole 11, the situation that the oxygen lance moves relative to the hole wall of the fixed hole 11 is avoided, and meanwhile, the rubber layers 13 can also reduce the abrasion between the oxygen lance and the.
The central axis of the fixing hole 11 should be parallel to the central axis of the rotating shaft 5, and further, the central axis of the fixing hole 11 coincides with the central axis of the rotating shaft 5, so that the overall stability of the rotating shaft 5 during rotation can be ensured.
The locking mechanism 4 is arranged on the base 1 and is matched with the rotating shaft 5, the locking mechanism 4 acts to position or rotate the rotating shaft 5, when no external force is applied, the locking mechanism 4 positions the rotating shaft 5 to prevent the oxygen lance from rotating in the whole maintenance process, the maintenance efficiency is ensured, after external force is applied, the locking mechanism 4 releases the rotating shaft 5 to enable the rotating shaft 5 to be rotated, further, the locking mechanism 4 comprises an arc plate 14 and a spiral spring 15, the inner end surface of the arc plate 14 is matched with the outer end surface of the rotating shaft 5, the arc plate 14 is slidably arranged on the base 1, a positioning pin 16 is fixedly arranged on the inner end surface of the arc plate along the circumferential direction of the arc plate, a guide rail is fixed on a side plate of the base 1, a base is fixed on the arc plate 14, a rail groove is formed in the base, and the sliding of the arc plate 14 on the base 1 is realized through the matching of the guide rail and the, the axial direction of the positioning pin 16 should be the same as the sliding direction of the arc plate 14, the positioning pin 16 moves with the movement of the arc plate 14, the outer end face of the rotating shaft 5 at one side of the base 1 is provided with a plurality of positioning holes 17, the locking mechanism 4 only needs to be matched with one positioning mechanism 3, the end part of the rotating shaft 5 should penetrate through the side plate of the base 1, the positioning holes 17 are positioned outside the side plate of the base 1, the positioning holes 17 are uniformly distributed along the circumferential direction of the rotating shaft 5, the positioning pin 16 is matched with the positioning holes 17, the positioning pin 16 can be inserted into the positioning holes 17, the rotating shaft 5 can not rotate when the positioning pin 16 is inserted into the positioning holes 17, the spiral spring 15 is fixedly installed between the arc plate 14 and the base 1, and the positioning pin 16 always moves towards the central axis of the rotating shaft 5, a bottom plate is fixed on the side plate of the base 1, the other end is fixed to the base of the arc plate 14, and when the positioning pin 16 is inserted into the positioning hole 17, the coil spring 15 is not stretched, and after the positioning pin 16 is removed from the positioning hole 17, the coil spring 15 is in a compressed state.
The action of the arc plate 14 can be driven by a hydraulic telescopic cylinder and can also be finished manually, further, the locking mechanism 4 further comprises a handle 18, the handle 18 is fixedly installed on the arc plate 14, and a user pushes and pulls the handle 18 to enable the positioning pin 16 on the arc plate 14 to be disengaged from the positioning hole 17.
When the oxygen lance is installed on the maintenance frame, firstly, the handle 18 is pulled to enable the positioning pin 16 to be separated from the positioning hole 17, meanwhile, the rotating shaft 5 is rotated to enable the first arc groove 8 to face upwards, then the handle 18 is loosened to enable the positioning pin 16 to be inserted into the corresponding positioning hole 17, then the upper base plate 7 is opened on the lower base plate 6, then two ends of the oxygen lance are respectively placed in the first arc grooves 8 on two sides of the base 1 through manpower or hoisting equipment, then the upper base plate 7 is closed to enable the fixing hole 11 for fixing the oxygen lance, when the oxygen lance is maintained, if the oxygen lance needs to be turned over, the handle 18 is pulled again to rotate the rotating shaft 5, so that the surface of the oxygen lance needing to be maintained is opposite to a user, wherein when the oxygen lance is placed, the supporting pad of the oxygen lance needs to be.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (6)

1. The utility model provides an overhaul frame of oxygen rifle for steelmaking which characterized in that: including base (1), truckle (2), positioning mechanism (3) and locking mechanism (4), truckle (2) evenly distributed is in the bottom of base (1), positioning mechanism (3) symmetry is installed on base (1), and it includes pivot (5), infrabasal plate (6) and upper substrate (7), pivot (5) rotate to be installed the lateral part of base (1), infrabasal plate (6) fixed mounting in pivot (5) are gone up, and seted up first circular arc groove (8) on it, second circular arc groove (9) have been seted up on upper substrate (7), upper substrate (7) articulated formula is installed on infrabasal plate (6), and it pass through hasp (10) with infrabasal plate (6) fixed connection, so that first circular arc groove (8) with second circular arc groove (9) cooperate and form fixed orifices (11), the locking mechanism (4) is installed on the base (1) and is matched with the rotating shaft (5) in use, and the locking mechanism (4) acts to enable the rotating shaft (5) to be positioned or can rotate.
2. The maintenance frame of the oxygen lance for steelmaking as claimed in claim 1, wherein: the caster (2) comprises a caster wheel (12) having a brake mechanism.
3. The maintenance frame of the oxygen lance for steelmaking as claimed in claim 1, wherein: the central axis of the fixing hole (11) is superposed with the central axis of the rotating shaft (5).
4. The maintenance frame of the oxygen lance for steelmaking as set forth in claim 1, wherein: and rubber layers (13) are fixedly mounted on the groove walls of the first arc groove (8) and the second arc groove (9).
5. The maintenance frame of the oxygen lance for steelmaking as claimed in claim 1, wherein: locking mechanism (4) include circular arc board (14) and coil spring (15), circular arc board (14) slidable mounting be in on base (1), and have locating pin (16) along its circumference fixed mounting on its interior terminal surface, base (1) one side a plurality of locating hole (17) have been seted up on pivot (5) the outer terminal surface, locating pin (16) with locating hole (17) use the cooperation, coil spring (15) fixed mounting be in circular arc board (14) with between base (1), and it makes locating pin (16) move all the time the center pin department of pivot (5) removes.
6. The maintenance frame of the oxygen lance for steelmaking as claimed in claim 5, wherein: the locking mechanism (4) further comprises a handle (18), and the handle (18) is fixedly installed on the circular arc plate (14).
CN202020561222.1U 2020-04-15 2020-04-15 Maintenance frame of oxygen lance for steelmaking Expired - Fee Related CN211921621U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020561222.1U CN211921621U (en) 2020-04-15 2020-04-15 Maintenance frame of oxygen lance for steelmaking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020561222.1U CN211921621U (en) 2020-04-15 2020-04-15 Maintenance frame of oxygen lance for steelmaking

Publications (1)

Publication Number Publication Date
CN211921621U true CN211921621U (en) 2020-11-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020561222.1U Expired - Fee Related CN211921621U (en) 2020-04-15 2020-04-15 Maintenance frame of oxygen lance for steelmaking

Country Status (1)

Country Link
CN (1) CN211921621U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113999949A (en) * 2021-10-27 2022-02-01 中冶宝钢技术服务有限公司 Repairing device and repairing method for oxygen lance of steelmaking converter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113999949A (en) * 2021-10-27 2022-02-01 中冶宝钢技术服务有限公司 Repairing device and repairing method for oxygen lance of steelmaking converter

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201113

CF01 Termination of patent right due to non-payment of annual fee