CN115924709A

CN115924709A - Transportation system

Info

Publication number: CN115924709A
Application number: CN202211455887.4A
Authority: CN
Inventors: 魏占山; 张文忠; 王金生; 田宁宇; 张金龙; 李书翟; 王俊峰; 张建利; 王伟; 杨勇; 田仓; 黄伟刚
Original assignee: Baotou Steel Group Metallurgical Roller Manufacturing Co ltd
Current assignee: Baotou Steel Group Metallurgical Roller Manufacturing Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-04-07

Abstract

The invention relates to the field of torpedo cars, in particular to a transportation system; the device comprises a capping unit arranged in a tapping area, a uncovering unit arranged in an iron receiving area, and a torpedo tank unit arranged between the tapping area and the iron receiving area and used for conveying molten iron; the torpedo tank unit comprises the existing torpedo tank car and a cover closing and hoisting tank cover; the hoisting tank cover is detachably covered on the torpedo tank car; provides a mode suitable for capping and uncapping a large torpedo tank.

Description

Transportation system

Technical Field

The invention relates to the field of torpedo cars, in particular to a transportation system.

Background

At present, a torpedo car is key equipment for transporting molten iron between a blast furnace and steel making in a steel plant, and the torpedo mouth has the phenomena of smoke external emission, molten iron temperature loss and the like due to the fact that the torpedo mouth is not covered, so that the torpedo car not only pollutes the field environment, but also causes the molten iron temperature loss; therefore, the existing method is to additionally arrange a cover at the opening of the torpedo tank, so that the temperature of the tank opening is high, and manual capping is inconvenient.

For example, the torpedo tank opening and closing cover device with the application number of 202210229793.9 comprises a driving mechanism and a sliding lifting mechanism. The driving mechanism comprises a mounting column and a driving arm arranged on the mounting column; the sliding transport lifting mechanism is arranged on the torpedo tank car; the sliding transport lifting mechanism comprises a fixed seat arranged on the torpedo car and a connecting rod assembly arranged on the fixed seat, one end of the connecting rod assembly is connected with a tank cover of the torpedo car, and a driving arm is in driving connection with the connecting rod assembly so as to drive the connecting rod assembly to drive the tank cover to lift and separate from the torpedo car; according to the cover opening and closing device for the torpedo tank car, the connecting rod assembly is a connecting rod mechanism, and is driven by the driving arm, one end of the connecting rod assembly, which is connected with the tank cover, can be lifted up and separated from the tank opening or is driven to cover the tank opening downwards, manual opening and closing of the tank cover are not needed, manpower and material resources are saved, and the potential safety hazard problem caused by manual covering is eliminated;

due to different production capacities of factories, the specifications of torpedo tanks are different, for example, the torpedo tanks are small in size and have a 1.5-square size and a 2-square size, and the torpedo tanks are large in size and have a 2.5-square size and even have a 3-square size; the large torpedo tank has a larger tank opening diameter, and a tank cover matched with the large torpedo tank is heavy (about 1.5 tons); therefore, when the torpedo ladle opening and closing device is applied to a large ladle cover, the ladle cover is relatively heavy in whole and relatively low in reliability.

Disclosure of Invention

The invention provides a transportation system, which is provided with a capping unit and a uncovering unit at the loading side and the unloading side respectively, and performs capping and uncovering operations through the capping unit and the uncovering unit, aiming at providing a mode suitable for capping and uncovering large torpedo cans.

The technical scheme adopted by the invention is as follows: a transportation system comprises a capping unit arranged in a tapping area, an uncovering unit arranged in a receiving area, and a torpedo ladle unit arranged between the tapping area and the receiving area and used for transporting molten iron; the torpedo tank unit comprises the existing torpedo tank car and a cover closing and hoisting tank cover; the hoisting tank cover can be detachably covered on the torpedo tank car;

furthermore, the capping unit comprises a first suspension arm and a hoisting member arranged at the hoisting part of the first suspension arm, wherein the first suspension arm is arranged beside the rail of the tapping area, the uncovering unit comprises a second suspension arm and a hoisting member arranged at the hoisting part of the second suspension arm, and the second suspension arm is arranged beside the rail of the tapping area.

Furthermore, the hoisting component comprises a positioning piece with an inverted U-shaped cross section, a bearing plate is arranged on the lower side of the positioning piece, and a channel is formed in the center of the bearing plate; the linkage block is in sliding fit with the lower side of the linkage block in the positioning piece, and a linkage shaft is vertically arranged on the lower side of the linkage block; the linkage shaft penetrates through a channel of the bearing plate to be fixed with the lifting hook, a compression spring penetrates through the sliding column, lug plates are arranged on the opposite sides of the bearing plate and the lifting hook, and lug plate shafts are welded and fixed between the lug plates; the locking piece is in rotating fit with the lug plate shaft, one end of the locking piece is fixed with the steel wire rope, and the other end of the steel wire rope bypasses the rotating guide wheel and is fixed with the upper side of the linkage block.

Specifically, the rotating rod is linear and is provided with a rotating channel; one side of the two rotating rods is provided with a rope rod, and one end of the steel wire rope and the other side of the rope rod fixing rotating rod are provided with a pressing rod.

Further, the lifting hook is used for hanging the upper side of the lifting tank cover; the linkage block slides to one side close to the bearing plate, the steel wire rope pulls the rope rod, the rotating rod rotates along the lug plate shaft, and when the linkage block is in contact with the bearing plate, the pressing rod is in contact with the lifting hook to form a closed space;

furthermore, the left side and the right side of the positioning piece are oppositely provided with grooves, the linkage block is of a square plate-shaped structure, the two sides of the linkage block are provided with sliding columns corresponding to the grooves, and the sliding columns are in sliding fit with the grooves

Specifically, the torpedo car is provided with a torpedo tank, the torpedo tank comprises a tank body, a tank opening is formed in the upper side of the tank body, and a flanging extending outwards is formed in the tank opening; the outer side of the tank opening is provided with an arc-shaped platform, and the upper side of the arc-shaped platform is of a plane structure; the downside of arc platform is formed with the arcwall face corresponding with the torpedo jar, and the downside arcwall face of arc platform is used for fixed with the torpedo jar, has the platform opening corresponding with jar mouthful on the arc platform, and the turn-ups extends the platform opening.

Further, the flanging of the tank opening part adopts an oval hoisting tank cover and adopts a round structure, and the outer edge of the hoisting tank cover is inwards turned downwards; the height of the outer edge is consistent with that of the turned edge, and when the lifting tank cover is covered on the turned edge, the lower side of the outer edge is attached to the upper side of the arc-shaped platform.

Preferably, one side of the flanging is provided with an installation notch, and the outer edge of the installation notch is provided with an installation seat; the tangent plane breach is equipped with detachable and changes the piece, is fixed in on the mount pad.

Further, the replacing part comprises a horizontal section and a vertical section, and the vertical section is in an arc-shaped extension shape and corresponds to the structure of the flanging; an arc-shaped crescent-shaped recess is formed on the upper side of the vertical section.

The invention also has the following characteristics:

1. the lifting hook is hung on the upper side of the lifting tank cover; the linkage block slides to one side close to the bearing plate, the steel wire rope pulls the rope rod, the rotating rod rotates along the lug plate shaft, and when the linkage block is in contact with the bearing plate, the pressing rod is in contact with the lifting hook to form a closed space; carrying out self-adaptive locking; the potential safety hazard in the lifting process is solved, after the tank cover is placed at the tank opening position, the linkage block slides to the side far away from the bearing plate, the rotating rod rotates along the fixed shaft to the side far away from the lifting hook under the action of the torsion spring, and the initial state is recovered; the potential safety hazard in the hoisting process is solved; meanwhile, the process of manual locking is omitted.

2. Controlling the torpedo tank to rotate, so that molten iron in the torpedo tank is discharged along the crescent-shaped recess; after a long time, wall hanging and iron slag are accumulated continuously, so that crescent concave convex; namely, the replacement part is replaced integrally; thereby solving the problem of molten iron splashing caused by uneven discharge side.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic structural diagram of the cover removing unit of the present invention.

Fig. 3 is a schematic view of the structure of the torpedo tank unit of the present invention.

Figure 4 is a schematic view of the construction of a lifting pot cover of the present invention.

Fig. 5 is a schematic view of the positioning member of the present invention.

Fig. 6 is a schematic view of the guide wheel structure of the present invention.

FIG. 7 is a schematic view of a receiving groove structure of the present invention.

Fig. 8 is a schematic view of the structure of the cuff of the present invention.

Fig. 9 is a schematic view of the arcuate platform structure of the present invention.

Fig. 10 is a schematic view of the structure of the installation notch of the present invention.

FIG. 11 is a schematic of the Mao Gou position of the present invention.

In the figure, 1, a capping unit; 2. a cover uncovering unit; 3. a torpedo tank unit; 4. a torpedo car; 5. hoisting the tank cover; 6. a first suspension arm; 7. a hoisting member; 8. hanging a ring; 9. a positioning member; 10. a pressure bearing plate; 11. a groove; 12. a linkage block; 13. accommodating grooves; 14. a sliding post; 15. lifting a lifting hook; 16. a compression spring; 17. an ear plate; 18. an ear plate shaft; 19. a rotating rod; 20. a rope lever; 21. a steel wire rope; 22. a guide wheel; 23. a tank body; 24. flanging; 25. an arc-shaped platform; 26. a platform opening; 27. mao Gou; 28. a refractory layer; 29. installing a notch; 30. a mounting seat; 31. replacing the part; 32. recessing; 33. a compression bar.

Detailed Description

To facilitate an understanding of the present invention by those skilled in the art, specific embodiments thereof are described below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Firstly, introducing an application scene of the application: the molten iron is transported in the metallurgical field by a torpedo tank car 4 generally, and the torpedo tank opening is not covered, so that the phenomena of smoke emission, molten iron temperature loss and the like exist, the field environment is polluted, and the molten iron temperature loss is caused; the large-sized tank cover is heavy in weight, and meanwhile, the temperature of the tank opening of the torpedo tank is high, so that manual capping cannot be performed; as shown in fig. 1, the present invention provides a transportation system, which includes a capping unit 1 disposed in a tapping area, a cap uncovering unit 2 disposed in a receiving area, and a torpedo ladle unit 3 disposed between the tapping area and the receiving area for transporting molten iron, wherein a rail is provided between the tapping area and the receiving area, and the torpedo ladle unit 3 moves between the tapping area and the receiving area through the rail to transport the molten iron; the torpedo tank unit 3 comprises an existing torpedo tank car 4 and a hoisting tank cover 5, and the torpedo tank car 4 is provided with a torpedo tank; in a tapping area, molten iron is added into a torpedo tank, and a hoisting tank cover 5 is covered on the opening of the torpedo tank after being hoisted by a capping unit 1; thus, the flue gas is protected from being beneficial to the outside in the whole transportation process, and a heat preservation effect is achieved; when the torpedo car 4 transfers the molten iron to an iron receiving area, the hoisting cover 5 is lifted by the cover lifting unit 2 to lift the cover; as shown in fig. 2, the capping unit 1 includes a first suspension arm 6 and a hoisting member 7 disposed at a hoisting part of the first suspension arm 6, wherein the first suspension arm 6 is disposed beside a rail of a tapping area, and an upright column part of the first suspension arm is fixed to the ground; the installation of the first cantilever crane is required to be divided into installation positions, so that the operation and safety of vehicles cannot be interfered, and whether pipeline cables and the like exist underground at the currently selected positions or not can be considered during the excavation of civil engineering; the weight of a large hoisting drum lid 5 is typically above 1.5 tons, so the first boom is used, hoisting the maximum weight: 2.8 tons, the turning radius is 5 meters, and the control mode is dual-purpose and convertible for cable and remote control; meanwhile, the uncovering unit 2 comprises a second suspension arm and a hoisting member 7 arranged at a hoisting part of the second suspension arm, wherein the second suspension arm is arranged beside the rail of the iron receiving area, and the upright post part of the second suspension arm is fixed with the ground; through first cantilever crane, second suspension arm with the mode of hoist and mount, hoist large-scale hoist and mount cover 5, compare in the mode of current hydraulic push rod, the structure is more reliable.

The hoisting component 7 can be a lifting hook, and is hooked by the lifting hook in the hoisting process and used for taking and placing covers; the tank cover is lifted through the hook, a locking structure is absent on the pure lifting hook, and potential safety hazards exist in the lifting process; meanwhile, molten iron is placed in the torpedo tank, and the temperature of the tank opening is higher; the operation is carried out manually, and the operation environment is worse; as shown in fig. 4, the lifting member 7 includes a positioning member 9 having an inverted U-shaped cross section, a pressure bearing plate 10 is fixed to the lower side of the positioning member 9 through a locking member, and a passage is formed at the center of the pressure bearing plate 10; the left side and the right side of the positioning piece 9 are oppositely provided with grooves 11, the linkage block 12 is of a square plate-shaped structure, two sides of the linkage block are provided with sliding columns 14 corresponding to the grooves 11, and the sliding columns 14 are in sliding fit with the grooves 11; the linkage block 12 is provided with an accommodating groove 13 with a circular cross section, and a linkage shaft is vertically arranged at the center of the accommodating groove 13; the linkage shaft penetrates through a channel of the bearing plate 10 and is welded and fixed with a lifting hook 15, a compression spring 16 penetrates through the sliding column 14, lug plates 17 are oppositely arranged on one side of the bearing plate 10 opposite to the lifting hook 15, and lug plate shafts 18 are welded and fixed between the lug plates 17; the rotating rod 19 is in rotating fit with the ear plate shaft 18 through a torsion spring, and the rotating rod 19 is linear and is provided with a rotating channel; one side of the two rotating rods 19 is provided with a rope rod 20, and one end of a steel wire rope 21 is fixed with the rope rod 20; the other end of the steel wire rope 21 bypasses the rotary guide wheel 22 and is fixed with the upper side of the linkage block 12, and the guide wheel 22 is positioned on the upper side of the linkage block 12 and is in rotary fit with the two sides to play the roles of reversing and transmitting tension; the other side of the rotating rod 19 is provided with a pressing rod 33; when in use, the lifting hook 15 is used for hanging the upper side of the lifting tank cover 5; the linkage block 12 slides to one side close to the bearing plate 10, the wire rope 21 pulls the rope rod 20, the rotating rod 19 rotates along the lug plate shaft 18, and when the linkage block 12 is contacted with the bearing plate 10, the pressing rod 33 is contacted with the lifting hook 15 to form a closed space; carrying out self-adaptive locking; the potential safety hazard in the lifting process is solved, after the tank cover is placed at the tank opening position, the linkage block 12 slides to the side far away from the bearing plate 10, the rotating rod 19 rotates along the fixed axial direction to the side far away from the lifting hook 15 under the action of the torsion spring, and the initial state is recovered; after the hoisting tank cover 5 is put down, the pressing rod 33 is contacted with the lifting hook 15 to form a closed space for opening; the potential safety hazard in the hoisting process is solved; meanwhile, the process of manual locking is omitted.

As shown in fig. 8, the torpedo car 4 is provided with a torpedo tank, the torpedo tank comprises a tank body 23, the upper side of the tank body 23 is provided with a tank opening with an oval structure, and the tank opening is provided with a flanging 24 extending outwards; an arc-shaped platform 25 is arranged on the outer side of the tank opening, and the upper side of the arc-shaped platform 25 is of a plane structure; an arc-shaped surface corresponding to the torpedo tank is formed on the lower side of the arc-shaped platform 25, the arc-shaped surface on the lower side of the arc-shaped platform 25 is used for being fixed with the torpedo tank, a platform opening 26 corresponding to the tank opening is formed in the arc-shaped platform 25, and the flanging 24 extends out of the platform opening 26; the flanging 24 at the can opening part is in an oval shape, so that the molten iron can be conveniently collected in the pouring process; however, in the process of covering the lifting tank cover 5 with the flanging 24, if an elliptical structure corresponding to the shape is adopted, the lifting tank cover 5 and the flanging 24 are not convenient to align in a lifting mode, and manual alignment needs to be carried out (namely, the length direction of the elliptical lifting tank cover 5 needs to be aligned to the length direction of the tank opening); in order to solve the problem, as shown in fig. 11, the hoisting can cover 5 is of a circular structure, so that the hoisting can cover 5 can be consistently covered with the flanging 24 of an oval structure no matter at what angle; a hanging ring 8 is arranged on the upper side of the hoisting tank cover 5, and the outer edge of the hoisting tank cover 5 is turned inwards downwards; the height of the outer edge is consistent with that of the turned-over edge 24, a plurality of burrs 27 are arranged on the inner side of the hoisting tank cover 5, and a fireproof layer 28 is arranged on the inner side of the hoisting tank cover 5, and the fireproof layer 28 is guaranteed to be fixed firmly, wherein the thickness of the fireproof layer is 50-60 mm; when the hoisting tank cover 5 is covered on the flanging 24, the lower side of the outer edge is attached to the upper side of the arc-shaped platform 25; the cover 5 is lifted to be sealed, so that the smoke is prevented from overflowing;

the torpedo tank car 4 is provided with a torpedo tank, the temperature of the part of the torpedo tank close to the tank opening is lower, and when molten iron is poured out, a part of molten iron is cooled at the tank opening to form a wall; in the past, the wall built-up and iron slag are accumulated continuously, so that the pouring side of the tank opening is uneven; therefore, when the molten iron is poured out, the molten iron is easy to cause no flow gathering or splashing; as shown in fig. 10, one side of the flange 24 is provided with an installation gap 29, and the outer edge of the installation gap 29 is provided with an installation seat 30; a detachable replacing piece 31 is arranged on the cut surface gap; the replacing part 31 comprises a horizontal section and a vertical section, wherein the vertical section is an arc-shaped extension and corresponds to the structure of the flanging 24; an arc crescent recess 32 is formed on the upper side of the vertical section; the horizontal section of the replacing part 31 is fixed on the mounting seat 30 through a locking part; controlling the torpedo tank to rotate, so that molten iron in the torpedo tank is discharged along the crescent-shaped recess 32; after a long time, the wall built-up and the iron slag are accumulated continuously, so that the crescent-shaped recess 32 is concave and uneven; namely, the replacement member 31 is replaced as a whole; thereby solving the problem of molten iron splashing caused by uneven discharge side concave-convex.

The above-mentioned fixing methods, if not separately described, all use the means of common technique of those skilled in the art, such as welding, nesting, or screw fixing.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A transportation system characterized by: comprises a capping unit (1) arranged in a tapping area, a cover uncovering unit (2) arranged in a receiving area, and a torpedo ladle unit (3) arranged between the tapping area and the receiving area and used for conveying molten iron; the torpedo tank unit (3) comprises the existing torpedo tank car (4) and a cover (5) for covering and hoisting; the hoisting tank cover (5) is detachably covered on the torpedo tank car (4).

2. A transportation system according to claim 1, characterized in that: the capping unit (1) comprises a first suspension arm (6) and a hoisting member (7) arranged at the hoisting part of the first suspension arm (6), wherein the first suspension arm (6) is arranged at the side of a rail of a tapping area, the uncovering unit (2) comprises a second suspension arm and a hoisting member (7) arranged at the hoisting part of the second suspension arm, and the second suspension arm is arranged at the side of the rail of a tapping area.

3. A transportation system according to claim 1, characterized in that: the hoisting component (7) comprises a positioning piece (9) with an inverted U-shaped cross section, a bearing plate (10) is arranged on the lower side of the positioning piece (9), and a channel is formed in the center of the bearing plate (10); a linkage shaft is vertically arranged on the lower side of the linkage block (12) in the positioning piece (9) in a sliding fit mode, wherein the linkage block (12) is matched with the positioning piece (9); the universal joint shaft penetrates through a channel of the bearing plate (10) and is fixed with a lifting hook (15), a compression spring (16) penetrates through the sliding column (14), lug plates (17) are oppositely arranged on one sides of the bearing plate (10) opposite to the lifting hook (15), and lug plate shafts (18) are welded and fixed between the lug plates (17); the locking piece is in running fit with the ear plate shaft (18), one end of the locking piece is fixed with the steel wire rope (21), and the other end of the steel wire rope (21) bypasses the rotating guide wheel (22) and is fixed with the upper side of the linkage block (12).

4. A transport system according to claim 3, characterized in that: the rotating rod (19) is linear and is provided with a rotating channel; one side of the two rotating rods (19) is provided with a rope rod (20), and one end of the steel wire rope (21) and the other side of the rope rod (20) for fixing the rotating rods (19) are provided with a pressing rod (33).

5. A transportation system according to claim 4, characterized in that: the lifting hook (15) is used for hanging the upper side of the lifting tank cover (5); the linkage block (12) slides to one side close to the bearing plate (10), the steel wire rope (21) pulls the rope rod (20), the rotating rod (19) rotates along the lug plate shaft (18), and when the linkage block (12) is in contact with the bearing plate (10), the pressing rod (33) is in contact with the lifting hook (15) to form a closed space.

6. A transportation system according to claim 3, characterized in that: the left side and the right side of the positioning piece (9) are oppositely provided with grooves (11), the linkage block (12) is of a square plate-shaped structure, sliding columns (14) corresponding to the grooves (11) are arranged on the two sides of the linkage block, and the sliding columns (14) are in sliding fit with the grooves (11).

7. A transportation system according to claim 1, characterized in that: the torpedo tank car (4) is provided with a torpedo tank, the torpedo tank comprises a tank body (23), a tank opening is formed in the upper side of the tank body (23), and a flanging (24) extending outwards is formed in the tank opening; an arc-shaped platform (25) is arranged on the outer side of the tank opening, and the upper side of the arc-shaped platform (25) is of a plane structure; the downside of arc platform (25) is formed with the arcwall face corresponding with the torpedo jar, and the downside arcwall face of arc platform (25) is used for fixed with the torpedo jar, has on arc platform (25) with jar mouthful corresponding platform opening (26), and turn-ups (24) extend platform opening (26).

8. A transportation system according to claim 7, wherein: the flanging (24) of the tank opening part adopts an oval hoisting tank cover (5) and a round structure, and the outer edge of the hoisting tank cover (5) is turned inwards downwards; the height of the outer edge is consistent with that of the flanging (24), and when the hoisting tank cover (5) is covered on the flanging (24), the lower side of the outer edge is attached to the upper side of the arc-shaped platform (25).

9. A transportation system according to claim 7, characterized in that: one side of the flanging (24) is provided with an installation notch (29), and the outer edge of the installation notch (29) is provided with an installation seat (30); the section gap is provided with a detachable replacing piece (31) which is fixed on the mounting seat (30).

10. A transportation system according to claim 9, characterized in that: the replacing piece (31) comprises a horizontal section and a vertical section, and the vertical section is in an arc-shaped extension shape and corresponds to the structure of the flanging (24); an arc-shaped crescent recess (32) is formed on the upper side of the vertical section.