CN217393740U - Rotary tipping equipment for hot repair of steel ladle - Google Patents

Abstract

The embodiment of the utility model provides a rotatory equipment of tumbling for ladle hot repair. Belongs to the auxiliary technical field of steel making in metallurgical industry. The device includes: a traveling device; the horizontal rotating device is arranged on the walking device, can move the bearing frame along with the walking device, is arranged on the horizontal rotating device and is used for bearing the steel ladle; the tilting mechanism is connected with the bearing frame and is used for driving the bearing frame to tilt; the positioning mechanism comprises at least one positioning hole and a positioning shaft, the positioning hole is formed in the bearing frame, the positioning shaft is arranged on the horizontal rotating device or the traveling device, the positioning shaft can perform telescopic motion to be inserted into the positioning hole or pulled out of the positioning hole, the bearing frame can be fixed at different tipping angles, the device can transport the molten steel tank to a specific hot repair position, and the requirements of different hot repair positions of tipping rotation in the tank body overhauling process are met.

Description

Rotary tipping equipment for hot repair of steel ladle

Technical Field

The utility model belongs to the technical field of metallurgical industry steelmaking is supplementary, especially, relate to a rotatory equipment of tumbling for hot repair of steel ladle.

Background

After carrying and casting a molten steel tank or a molten steel ladle for metallurgy for a certain number of times, hot repair is carried out on the tank opening, the sliding nozzle and other parts, wherein the sliding nozzle is cleaned, checked and debugged to be qualified before use every time. The existing hot repair process of the hot repair position of the steel ladle in most steel mills is pit-type, smoke and dust in the hot repair process pollute the environment greatly, and are not beneficial to environmental protection; on the other hand, when workers are maintained, overhead cranes are arranged at the upper parts of the overhead cranes for hoisting, so that potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problems in the prior art, an object of the embodiments of the present invention is to provide a rotary tipping device for hot repair of a steel ladle, which can transport the steel ladle to a specific hot repair position and meet the need of tipping to rotate to different hot repair positions in the tank body repair process.

The embodiment of the utility model provides a technical scheme who adopts is:

a spin-tipping apparatus for hot repair of a ladle, the spin-tipping apparatus comprising:

a traveling device;

the horizontal rotating device is arranged on the walking device and can move along with the walking device;

the bearing frame is arranged on the horizontal rotating device and used for bearing the steel ladle; (the description shows that the two are connected)

The tilting mechanism is connected with the bearing frame and is used for driving the bearing frame to tilt;

the positioning mechanism comprises at least one positioning hole and a positioning shaft, the positioning hole is formed in the bearing frame, the positioning shaft is arranged on the horizontal rotating device or the traveling device, and the positioning shaft can perform telescopic motion so as to be inserted into the positioning hole or pulled out of the positioning hole, so that the bearing frame can be fixed at different tipping angles.

Further, the bearing frame comprises two oppositely arranged frame bodies, an accommodating space for accommodating a steel ladle is formed between the two frame bodies, and the two frame bodies are connected through at least one connecting beam.

Further, the support body is a C-shaped support body, the orientation of the openings of the two C-shaped support bodies is the same, when the steel ladle is arranged on the C-shaped support body, the two trunnion seats symmetrically arranged on the steel ladle are respectively arranged in the openings of the two C-shaped support bodies, so that the support of the steel ladle by the C-shaped support body is realized, and the C-shaped support body is provided with a locking mechanism for fixing the trunnion seats.

Furthermore, locking mechanism is including setting up the locking axle on the lateral wall of two relative settings in the opening of C type support body, thereby the locking axle can carry out concertina movement and insert in the trunnion seat or follow extract in the trunnion seat to the realization is to the locking and the release of ladle.

Furthermore, the C-shaped frame body is provided with an arc-shaped outer contour, the positioning hole is arranged on the arc-shaped outer contour, and the axis of the positioning hole passes through the center of a circle where the arc-shaped outer contour is located; the positioning shaft is arranged right below the bearing frame.

Furthermore, at least one positioning block is arranged on the arc-shaped outer contour of the C-shaped frame body, and the positioning holes are formed in the positioning blocks.

Further, the tipping mechanism comprises a driving gear, an arc-shaped rack and a first motor, wherein the first motor is connected with the driving gear and used for driving the driving gear to rotate, the driving gear is meshed with the arc-shaped rack, and the arc-shaped rack is arranged on the arc-shaped outer contour of the C-shaped frame body so that the driving gear drives the bearing frame to realize tipping movement through the arc-shaped rack when rotating.

Further, the horizontal rotation device comprises a horizontal support platform, a slewing bearing and a second motor, the bearing frame is arranged on the horizontal support platform, the outer ring of the slewing bearing is fixedly connected with the horizontal support platform, the inner ring of the slewing bearing is fixedly connected with the frame of the walking device, and the second motor is connected with the outer ring of the slewing bearing through a transmission system and used for driving the outer ring to drive the horizontal support platform to rotate horizontally.

Further, the tilting mechanism further comprises a supporting roller set fixed on the horizontal supporting platform, an arc-shaped track is arranged on the bearing frame and is arranged on the supporting roller set, and when the bearing frame tilts, the arc-shaped track slides on the supporting roller set.

Further, running gear includes frame, driving wheel group, driven wheelset and walking driving motor, horizontal rotation device installs on the frame, driving wheel group and driven wheelset are located respectively the bottom of frame, walking driving motor pass through the shaft coupling with driving wheel group is connected, is used for the drive thereby the driving wheel group drives running gear motion

Compared with the prior art, the utility model discloses beneficial effect lies in:

the embodiment of the utility model provides a rotatory equipment of tumbling that ladle hot repair can transport the ladle to specific hot repair position, bear the compound rotary motion of frame through horizontal rotation device and ladle, guarantee to maintain the workman and can realize overhauing the bottom and jar mouthful position of ladle on the maintenance platform of one side, insert the locating hole on the ladle bears the frame through the location axle on running gear or the horizontal rotation device simultaneously, can realize when the ladle overturns the required angle of tumbling or other angles of production technology, fix a position in order to overhaul the ladle.

Drawings

Fig. 1 is a front view of a rotary tilting apparatus for hot repair of a ladle according to an embodiment of the present invention;

FIG. 2 is a side view of a rotary tilting apparatus for hot repair of a ladle according to an embodiment of the present invention;

fig. 3 is a state diagram of the rotational tipping apparatus tipping 90 degrees counterclockwise according to the embodiment of the present invention;

fig. 4 is a schematic view of a driving structure of a traveling device in a rollover bar apparatus according to an embodiment of the present invention;

fig. 5 is a front view of a horizontal rotation device in the rollover swivel apparatus according to an embodiment of the present invention;

fig. 6 is a front view of the connection between the carriage and the tilting device of the swivel tilting apparatus according to the embodiment of the present invention;

fig. 7 is a schematic structural diagram of a positioning device in a rollover bar apparatus according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a rollover locking device in a rollover swivel device according to an embodiment of the present invention.

Reference numerals are as follows:

in the figure: 1. the device comprises a traveling device, 2, a travel switch, 3, a supporting roller device, 4, a tipping locking device, 41, a locking shaft, 42, a fixed block, 43, an trunnion seat, 5, a tipping device, 6, a piping device, 7, a horizontal rotating device, 8, a positioning device, 81, a positioning shaft, 82, a positioning block, 83, a positioning hole, 84, a positioning frame, 9, a frame, 10, a driving wheel set, 11, a traveling motor, 12, a brake, 13, a traveling speed reducer, 14, a coupling, 15, a driven wheel set, 16, a first speed reducer, 17, a first pinion, 18, a slewing bearing, 19, a horizontal supporting table, 20, a C-shaped frame body, 21, an arc-shaped gear ring, 22, a gearwheel, 23, a second pinion, 24, a second speed reducer, 25 and a ladle.

Detailed Description

Referring to fig. 1-2, the embodiment of the present invention provides a rotary tipping device for hot repair of a steel ladle, which mainly comprises a walking device 1, a horizontal rotating device 7, a bearing frame, a tipping device 5 and a positioning device 8.

The walking device 1 is mainly used for transporting the steel ladle 25 to a specific overhauling position, and the horizontal rotating device 7 is arranged on the walking device 1 and moves together with the walking device 1. The bearing frame is arranged on the horizontal rotating device 7, is mainly used for bearing the steel ladle 25, and can horizontally rotate under the driving of the horizontal rotating device 7. The tilting device 5 can be arranged on the horizontal swivel device 7 or the running gear 1 and is mainly used for driving the carriage to perform forward or reverse tilting rotation.

As shown in fig. 7, the positioning device 8 of the present embodiment mainly includes a positioning shaft 81 and a positioning hole 83, and is provided on the carriage, the positioning shaft 81 may be provided on the horizontal rotation device 7 or the traveling device 1, the positioning shaft 81 can be inserted into the positioning hole 83 or pulled out from the positioning hole 83 by performing a telescopic motion, the carriage can be fixed when the positioning shaft 81 is inserted into the positioning hole 83, and the carriage can be turned over by the tilting device 5 when the positioning shaft 81 is pulled out from the positioning hole 83.

Meanwhile, a plurality of positioning holes 83 are formed in the embodiment, and the positioning of the bearing frame at different angles can be realized by sequentially inserting the positioning shafts into the positioning holes.

The embodiment of the utility model provides a rotatory equipment of tumbling can transport the ladle 25 that needs overhaul to specific maintenance position on, can realize through horizontal rotation device 7 and the combined motion who bears the frame that the maintainer who overhauls position department one side carries out the maintenance and the maintenance of package end and jar mouth to ladle 25, can realize the fixing of ladle 25 under specific angle of tumbling through the cooperation of location axle 81 and the locating hole 83 that bears the frame simultaneously to in maintenance and maintenance.

Specifically, as shown in fig. 3, the traveling device 1 in the present embodiment mainly includes a vehicle frame 9, and a driving wheel set 10, a driven wheel set 15, and a traveling drive mechanism that are mounted on the vehicle frame 9.

The driving wheel set 10 and the driven wheel set 15 are both mounted at the bottom of the frame 9 and are respectively arranged at the front end and the rear end of the frame 9. The horizontal rotation device 7 is arranged between the driving wheel set 10 and the driven wheel set 15, wherein the frame 9 may be a frame structure formed by two horizontal beams and a plurality of longitudinal beams.

As shown in fig. 4, the travel drive mechanism is attached to the vehicle frame 9, and mainly includes a travel motor 11, a brake 12, a travel speed reducer 13, and a coupling 14. The traveling motor 11 is installed on the vehicle frame 9, the output end of the traveling motor 11 is connected with the traveling speed reducer 13, and two sides of the output end of the traveling speed reducer 13 are respectively connected with the driving wheel set 10 through a coupler 14, so that the vehicle frame 9 can move on the ground, the steel ladle 25 can be transported to a specific maintenance position, and the steel ladle 25 does not need to be transported by a crane.

In this embodiment, the frame 9 may further be provided with a travel switch 2, and the travel switch 2 may ensure that the frame 9 may be automatically stopped when traveling to the maintenance position, thereby achieving automatic control.

As shown in fig. 5, the horizontal rotation device 7 in the present embodiment mainly includes a horizontal support base 19, a slewing bearing 18, and a horizontal rotation drive mechanism.

The slewing bearing 18 includes an inner ring and an outer ring, and the specific structure thereof belongs to the prior art, and will not be described in detail here. The inner ring of the slewing bearing 18 can be directly connected with a plurality of longitudinal beams of the frame 9 so as to fix the slewing bearing 18, the top of the outer ring of the slewing bearing 18 is directly connected with the horizontal support platform 19, the bearing frame is arranged on the horizontal support platform 19, so that the rotation of the horizontal support platform 19 can be realized by rotating the outer ring of the slewing bearing 18, the bearing frame for fixing the ladle 25 rotates in the horizontal direction, when the walking device 1 moves to an overhauling position, the horizontal rotating device 7 can be controlled to rotate, and the opening of the ladle or the ladle bottom can be ensured to face towards an overhauling person.

In order to realize that the rotation of the outer ring of the slewing bearing 18 is controlled electrically, in the embodiment, the outer ring of the slewing bearing 18 can be connected with a horizontal rotation driving mechanism to drive the horizontal rotation driving mechanism, as shown in fig. 5, the horizontal rotation driving mechanism mainly comprises a rotation driving motor, a first pinion 17 and a first speed reducer 16, wherein the rotation driving motor can be fixed on the frame 9 and is connected with the first pinion 17 through the first speed reducer 16, and the first pinion 17 is meshed with a self-contained rack on the outer ring of the slewing bearing 18, so that the electrically controlled rotation of the slewing bearing 18 is realized.

In some embodiments, referring to FIG. 6, the carrier in this embodiment consists essentially of two oppositely disposed C-shaped frames 20. These two C support body 20 mirror image sets up, and these two C type support body 20's opening orientation is the same simultaneously, has certain distance between two C type support body 20 to form the tank falling space of holding ladle 25, thereby realize connecting between these two C type support body 20 through two reinforcing beams and guarantee the rigidity of whole bearing frame simultaneously, reinforcing beam can not cause the interference to ladle 25 business turn over tank falling space. The C-shaped frame body 20 is also provided with piping devices 6, and the piping devices 6 are respectively connected with hydraulic driving parts in the equipment and used for providing hydraulic driving force.

Generally, two trunnion seats 26 are symmetrically arranged on the ladle 25, an included angle between the two trunnion seats 26 is 180 degrees, when the ladle 25 needs to be placed on a bearing frame, the ladle 25 can be lifted by a crane and then placed in a ladle dropping space between two C-shaped frames 20, the two trunnion seats 26 of the ladle 25 just correspond to openings of the two C-shaped frames and are accommodated in the openings, and finally the trunnion seats 26 are locked in the openings by corresponding tipping locking devices 4 on the C-shaped frames, so that the fixing of the ladle 25 and the bearing frame is realized, and the ladle 25 can perform tipping movement along with the bearing frame.

In order to drive and rotate the C-shaped frame 20, as shown in fig. 6, the C-shaped frame 20 itself in this embodiment has a circular arc-shaped outer contour, an arc-shaped ring gear 21 is provided on the circular arc-shaped outer contour of the C-shaped frame 20, and a tilting device 5 for driving the C-shaped frame 20 to rotate is provided on the horizontal support base 19. As shown in fig. 6, the tilting device 5 comprises a tilting drive motor fixed on the horizontal support platform 19, the output shaft of the tilting drive motor is connected with a second speed reducer 24, the output shaft of the second speed reducer 24 is connected with a second pinion 23 through a key, the second pinion 23 is meshed with a gearwheel 22 fixed on the horizontal support platform 19, and the gearwheel 22 is meshed with an arc-shaped gear ring 21 on the bearing frame, so that the tilting drive motor can control the C-shaped frame body 20 to rotate clockwise or counterclockwise through a gear transmission system.

As for the rotation of the C-shaped frame body, the rotation can be determined according to specific maintenance conditions, for example, as shown in figure 3, when a maintenance worker needs to maintain the opening of the steel ladle 25, the C-shaped frame body can rotate 90 degrees clockwise, so that the maintenance worker on one side can maintain the opening, and when the maintenance worker needs to maintain the bottom of the steel ladle, the C-shaped frame body rotates 90 degrees anticlockwise, the bottom of the steel ladle 25 faces the maintenance worker, and the bottom of the steel ladle can be maintained again.

It should be noted that the arc-shaped gear ring 21 in the present embodiment may be integrally disposed with the C-shaped frame 20, for example, the arc-shaped gear ring 21 is machined on the C-shaped frame 20; the mounting structure can also be detachably mounted to the C-shaped frame 20, for example, an arc-shaped gear ring 21 is pre-machined, and the arc-shaped gear ring 21 is fixed to the C-shaped frame 20 by bolts.

Referring to fig. 1, four sets of supporting roller devices 3 are further disposed on the horizontal rotating device 7 in this embodiment, each two sets of supporting roller devices 3 are used for supporting one C-shaped frame 20, and two supporting rollers of each set are disposed on two sides of the bottom of the C-shaped frame 20 respectively.

Further, the bottom of the supporting roller device 3 is fixed on the horizontal supporting platform 19 through flange connection, and the supporting roller can be selected from the existing supporting roller structure.

It will be readily appreciated that inside the carriage or elsewhere, an arcuate track (not shown) may be provided which rests on the support rollers on either side of the bottom of the C-frame 20 so that the arcuate track on the C-frame 20 slides over the bottom set of support rollers during tipping of the C-frame 20.

To ensure that the carrier is held during rotation by the ladle 25, the tilt lock mechanism 4 in this embodiment includes locking shafts 41 disposed on two opposing sidewalls within the opening of the C-shaped frame 20. As shown in fig. 8, two side wall surfaces of the opening on the C-shaped frame 20 are recessed inwards to form a cavity, a horizontally placed locking shaft 41 is arranged in the cavity, the locking shaft 41 can perform horizontal telescopic motion, two fixing blocks 42 are respectively arranged on two sides of the trunnion base 26 on the C-shaped frame 20, a through hole can be arranged on each fixing block 42, and is coaxial with the locking shaft 41, so that when the ladle 25 is placed on the bearing frame, the locking shaft 41 can be controlled to extend or stretch out to be inserted into the through hole on the fixing block 42, and the ladle 25 is further fixed on the bearing frame, and is ensured not to slide down in the process of tilting along with the bearing frame.

The locking shaft 41 in this embodiment may be connected to a rigid shaft via a hydraulic cylinder to achieve telescopic movement, or alternatively, an electric push rod structure may be used.

And simultaneously, the utility model discloses a locking shaft 41 set up the position not only be limited to this embodiment in the open-ended lateral wall of bearing the frame on, set up and to reduce its occupation space on the lateral wall, technical personnel in the field can be according to ladle 25's structure or other needs adjust locking shaft 41's position, this embodiment does not specifically limit to the position that sets up of the locking device that tumbles.

Referring to fig. 1, the bottom of the loading frame in this embodiment is further provided with a positioning device 8, the positioning device 8 includes a positioning hole 83 mounted on the loading frame, and the positioning shaft 81 can be vertically placed on the top of the loading frame, and the positioning shaft 81 can be telescopically inserted into the positioning hole 83 on the loading frame up and down to fix the loading frame at a certain angle.

As shown in fig. 7, in this embodiment, a plurality of positioning blocks 82 may be disposed at intervals on the circular arc outer contour of the C-shaped frame 20, the positioning blocks 82 have positioning holes 83, and axes of the positioning holes 83 pass through a center of a circle where the circular arc outer contour is located, so that when the C-shaped frame 20 rotates by a certain angle, the positioning shafts 81 may be controlled to extend out and be inserted into the positioning holes 83, so as to fix the carrier at a specific angle, thereby satisfying the overhaul or maintenance of an overhaul worker at different tipping angles.

The positioning shaft 81 in this embodiment is fixed to the horizontal support platform 19 by a positioning bracket 84, and the positioning bracket 84 may be connected to the horizontal support platform 19 by a bolt.

The positioning shaft 81 of this embodiment is similar in construction to the locking shaft 41 of the tilt locking mechanism 4 and will not be described in detail herein.

In other embodiments, the positioning holes 83 of the positioning device 8 of the present invention can also be directly machined on the circular arc-shaped outer contour of the C-shaped frame 20, so that the positioning shafts 81 can be directly inserted into the loading frame, thereby fixing the loading frame.

The above description is intended to be illustrative, and not restrictive, and one of ordinary skill in the art may effect alterations, modifications, substitutions, and variations to the above described embodiments while remaining within the scope of the present disclosure. Also, the above-described examples (or one or more versions thereof) may be used in combination with each other, and it is contemplated that the embodiments may be combined with each other in various combinations or permutations.

Claims (10)

1. A swivel tilting device for hot repair of a ladle, comprising:

a traveling device;

the horizontal rotating device is arranged on the walking device and can move along with the walking device;

the bearing frame is arranged on the horizontal rotating device and used for bearing the steel ladle;

the tilting mechanism is connected with the bearing frame and is used for driving the bearing frame to tilt;

the positioning mechanism comprises at least one positioning hole and a positioning shaft, the positioning hole is formed in the bearing frame, the positioning shaft is arranged on the horizontal rotating device or the traveling device, and the positioning shaft can perform telescopic motion so as to be inserted into the positioning hole or pulled out of the positioning hole, so that the bearing frame can be fixed at different tipping angles.

2. The rotational tilting device for hot repair of a ladle according to claim 1, wherein the carriage comprises two oppositely disposed frames forming a receiving space therebetween for receiving the ladle, the two frames being connected to each other by at least one connecting beam.

3. The rotational tilting device for hot repair of a ladle as claimed in claim 2, wherein said frame is a C-shaped frame, the openings of both said C-shaped frame are oriented in the same direction, when said ladle is placed on said C-shaped frame, two symmetrically disposed trunnion seats on said ladle are respectively placed in the openings of both C-shaped frame to support said ladle by said C-shaped frame, and said C-shaped frame is provided with a locking mechanism for fixing said trunnion seats.

4. The rotational tilting device for hot pot repair of a ladle as claimed in claim 3, wherein said locking mechanism comprises locking shafts disposed on two opposite side walls in the opening of said C-shaped frame body, said locking shafts being capable of telescopic movement to be inserted into or pulled out of said trunnion seats to lock and release the ladle.

5. The rotational tilting device for hot repairing of steel ladle as claimed in claim 3, wherein said C-shaped frame has an arc-shaped outer contour, said positioning hole is disposed on said arc-shaped outer contour, and the axis of said positioning hole passes through the center of the circle on which said arc-shaped outer contour is located; the positioning shaft is arranged right below the bearing frame.

6. The rotational tilting device for hot repair of a ladle as claimed in claim 5, wherein at least one positioning block is provided on the circular arc-shaped outer contour of the C-shaped frame body, and the positioning hole is provided on the positioning block.

7. The rotary tilting device for hot repairing of steel ladle as claimed in claim 5, wherein said tilting mechanism comprises a driving gear, an arc rack and a first motor, said first motor is connected with said driving gear for driving said driving gear to rotate, said driving gear is engaged with said arc rack, said arc rack is disposed on the arc outer contour of said C-shaped frame body for driving said carriage to perform tilting motion through said arc rack when said driving gear rotates.

8. The rotary tilting device for hot repair of steel ladles as claimed in claim 1, wherein said horizontal rotating means comprises a horizontal support platform, a rotary support and a second motor, said bearing frame is disposed on said horizontal support platform, an outer ring of said rotary support is fixedly connected with said horizontal support platform, an inner ring of said rotary support is fixedly connected with a frame of said traveling device, and said second motor is connected with an outer ring of said rotary support through a transmission system for driving said outer ring to drive said horizontal support platform to rotate horizontally.

9. The rotational tipping apparatus for hot repair of a steel ladle as claimed in claim 8, wherein the tipping mechanism further comprises a set of support rollers fixed to the horizontal support platform, the carriage having an arcuate track thereon, the arcuate track being arranged to slide on the set of support rollers during tipping of the carriage.

10. The rotary tilting device for hot repairing of steel ladle as claimed in claim 1, wherein said traveling device comprises a frame, a driving wheel set, a driven wheel set and a traveling driving motor, said horizontal rotation device is mounted on said frame, said driving wheel set and said driven wheel set are respectively disposed at the bottom of said frame, said traveling driving motor is connected with said driving wheel set through a coupling for driving said driving wheel set to move said traveling device.

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