Blast furnace cooling wall mounting and transferring device

Abstract

The blast furnace cooling wall mounting and transferring device comprises a prefabricated track and a conveying trolley, the lower end of the conveying trolley is matched with the prefabricated track in a rolling mode and can move in the length direction of the prefabricated track, and two handrail columns are symmetrically fixed to one end of the upper plane of the conveying trolley. And the cooling wall arranged on the transport trolley is restrained on the transport trolley through an iron chain ring joint device connected with the handrail column, and the cooling wall is transported to a mounting position by the transport trolley moving in the length direction of the prefabricated track. The cooling wall is transported to the installation position through the transport trolley moving in the length direction of the prefabricated track, the problem that a hoisting device cannot cover blast furnace cooling wall transfer in a limited space is solved, the length and size of the prefabricated track can be changed along with a construction area, the flexibility is good, the cooling wall transfer difficulty is reduced, and the cooling wall transfer efficiency is improved; the structure is simple, the design is novel, time and labor are saved, steel can be recycled and reused, damage is not prone to occurring, and applicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of blast furnace construction, and in particular relates to a blast furnace cooling wall installation and transfer device. Background Art

[0002] In recent years, the country has implemented a new mechanism of energy conservation and emission reduction that combines incentives and constraints. In the process of developing in the direction of green and low-carbon, steel enterprises have carried out large-scale flue gas treatment work. In the environmental protection and energy-saving technical transformation and maintenance projects of steel mills' blast furnaces, the construction site is often limited. During the installation of the blast furnace system, the cooling wall is an important component of the blast furnace cooling system. It is installed in the blast furnace body, furnace waist, furnace belly, furnace hearth and other parts. It plays an important role in supporting refractory materials, cooling the furnace shell, and maintaining a reasonable furnace shape. However, the blast furnace cooling wall has a large size and weight of its single components and high installation accuracy. During the installation process, due to the limited space of the blast furnace system, the hoisting device cannot cover the restricted site and cannot solve the problem of blast furnace cooling wall transportation. Therefore, it is necessary to design a blast furnace cooling disease transportation structure to solve the above problems. Utility Model Content

[0003] The technical problem solved by the utility model is: to provide a blast furnace cooling wall installation and transfer device, by arranging a prefabricated track and a transport trolley adapted to the prefabricated track in a site leading to the installation position, and restraining the cooling wall on the transport trolley, the transport trolley moving along the length direction of the prefabricated track transports the cooling wall to the installation position, thereby solving the problem of transporting the blast furnace cooling wall in a restricted space that cannot be covered by a lifting device, the prefabricated track can change its length and size according to the construction area, has good flexibility, reduces the difficulty of transporting the cooling wall, improves the efficiency of transporting the cooling wall, has a simple structure, a novel design, saves time and effort, the steel can be recycled and reused, is not easy to be damaged, and has strong applicability.

[0004] The technical solution adopted by the utility model: a blast furnace cooling wall installation and transfer device comprises a prefabricated track and a transport trolley, the lower end of the transport trolley is rollingly adapted to the prefabricated track and can move along the length direction of the prefabricated track, two handrail columns are symmetrically fixed on one end of the upper plane of the transport trolley, and the cooling wall arranged on the transport trolley is constrained on the transport trolley by an iron chain ring connection device connected to the handrail columns, and the cooling wall is transported to the installation position by the transport trolley which moves along the length direction of the prefabricated track.

[0005] The iron chain ring connection device comprises an iron chain and circular rings fixed at both ends of the iron chain, and the two circular rings are respectively mounted on the cooling wall and the handrail column.

[0006] Furthermore, the prefabricated track includes two H-shaped steels arranged in parallel and a plurality of angle steels arranged between the two H-shaped steels, and both ends of the angle steels are welded and fixedly connected to the inner wall of the web of the H-shaped steel at the corresponding end to form a horizontal frame.

[0007] Furthermore, limit blocks are fixed to both ends of the upper end surface of the H-shaped steel to prevent the transport trolley from leaving the prefabricated track.

[0008] Furthermore, the transport trolley includes a single-sided roller group, a support frame and a platform plate, the platform plate is fixed to the upper end of the support frame, and the bottom of the two long sides of the support frame are evenly distributed with multiple groups of single-sided roller groups whose lower ends are adapted to the upper surface and inner edge of the H-shaped steel upper flange plate, the two handrail columns are fixed to one end of the platform plate, and the cooling wall is arranged on the platform plate.

[0009] Furthermore, the support frame includes two side beams and multiple cross beams located between the two side beams, multiple ends of the cross beams are fixedly connected to the inner walls of the side beams at the corresponding ends as a whole, and multiple groups of single-sided roller groups are fixed on the bottom surface of the side beams.

[0010] Furthermore, protective plates that are fixed end to end are fixed to the edges of the four sides of the upper surface of the platform plate.

[0011] Furthermore, the single-sided roller group includes a roller and a bracket, the roller is adapted to the upper flange plate of the H-shaped steel, the bracket is a U-shaped structure with an opening set downward, and the roller is located between the two side plates of the bracket, the roller is rotatably installed in the middle of the stud bolt, and the end of the stud bolt passes through the corresponding side plate of the bracket and is adapted to be connected with a nut, and the upper end of the bracket is detachably fixed to the bottom of the side beam by a fastening bolt.

[0012] Furthermore, the wheel surface of the roller contacts the upper surface of the upper flange plate of the H-shaped steel, and a positioning ring is formed on the outer end of the roller, and the positioning ring is located on the outer side of the inner edge of the upper flange plate of the H-shaped steel.

[0013] Furthermore, a pad for raising the corresponding end of the prefabricated track is fixed at the bottom of one end of the prefabricated track, and the handrail column on the transport trolley and the pad are located at the same end.

[0014] The advantages of this utility model compared with the prior art:

[0015] 1. This technical solution solves the problem of blast furnace cooling wall transportation in a restricted space that cannot be covered by the lifting device by setting a prefabricated track and a transport trolley adapted to the prefabricated track at the site leading to the installation location, and constraining the cooling wall on the transport trolley. The transport trolley moving along the length direction of the prefabricated track transports the cooling wall to the installation location;

[0016] 2. When disassembling and assembling the cooling wall, the two ends of the technical solution can be raised to a certain height with pads to make the track have a slope, thereby saving transportation resistance;

[0017] 3. The prefabricated track of this technical solution can change its length and size according to the construction area, which has good flexibility, reduces the difficulty of cooling wall transportation, and improves the efficiency of cooling wall transportation;

[0018] 4. This technical solution has a simple structure, novel design, saves time and effort, the steel can be recycled and reused, is not easy to damage, and has strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 It is a side view of the utility model;

[0021] Figure 3 This is a front view of the utility model;

[0022] Figure 4 It is a top view of the utility model;

[0023] Figure 5 for Figure 2 Partial schematic diagram at point A in the middle. DETAILED DESCRIPTION

[0024] The following will be combined with the embodiment of the present utility model Figure 1-5 , clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] It should be noted that, in this document, unless otherwise stated, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc., are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0026] In this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further limitations. The elements defined by the sentence "comprising a ..." do not exclude the presence of other identical elements in the process, method, article or device comprising the elements.

[0027] Blast furnace cooling wall installation transfer device, such as Figure 1-5 As shown, it includes a prefabricated track 1 and a transport trolley 2, the lower end of the transport trolley 2 is rollingly adapted to the prefabricated track 1 and can move along the length direction of the prefabricated track 1, two handrail columns 26 are symmetrically fixed on one end of the plane of the transport trolley 2, and the cooling wall 3 arranged on the transport trolley 2 is constrained on the transport trolley 2 through an iron chain ring device connected to the handrail column 26, and the transport trolley 2 moving along the length direction of the prefabricated track 1 transports the cooling wall 3 to the installation position; in the above structure, by setting the prefabricated track 1 and the transport trolley 2 adapted to the prefabricated track 1 in the field leading to the installation position, and constraining the cooling wall 3 on the transport trolley 2, the transport trolley 2 moving along the length direction of the prefabricated track 1 transports the cooling wall 3 to the installation position, the problem of transporting the blast furnace cooling wall 3 in the restricted space that the lifting device cannot cover is solved; the prefabricated track 1 can change the length and size according to the construction area, has good flexibility, reduces the difficulty of transporting the cooling wall 3, and improves the efficiency of transporting the cooling wall 3.

[0028] The specific structure of the iron chain ring connecting device is as follows: the iron chain ring connecting device includes an iron chain and a ring 4 fixed at both ends of the iron chain, and the two rings 4 are respectively mounted on the cooling wall 3 and the handrail column 26. The structure of setting the rings 4 at both ends of the chain is adopted to constrain the position of the cooling wall 3 on the transport trolley 2, which can effectively prevent the cooling wall 3 from being displaced during transportation.

[0029] The specific structure of the prefabricated track 1 is as follows: the prefabricated track 1 includes two H-shaped steels 11 arranged in parallel and a plurality of angle steels 12 arranged between the two H-shaped steels 11, and the two ends of the angle steels 12 are welded and fixedly connected to the inner wall of the web of the corresponding end H-shaped steel 11 to form a horizontal frame, wherein the distance between two adjacent angle steels 12 is 500 to 700 mm.

[0030] The specific structure of the transport trolley 2 is as follows: the transport trolley 2 includes a single-sided roller group 21, a support frame and a platform plate 24, the platform plate 24 is fixed to the upper end of the support frame, and the bottom of the two long sides of the support frame are evenly distributed with multiple groups of single-sided roller groups 21 whose lower ends are adapted to the upper plate surface and inner edge of the upper flange plate of the H-shaped steel 11, the two handrail columns 26 are fixed to one end of the platform plate 24, and the cooling wall 3 is arranged on the platform plate 24; specifically, the support frame includes two side beams 23 and multiple cross beams 22 located between the two side beams 23, the side beams 23 and the cross beams 22 are both made of square tubes, and the ends of the multiple cross beams 22 are fixedly connected to the inner walls of the side beams 23 at the corresponding ends as a whole, and multiple groups of single-sided roller groups 21 are fixed on the bottom surface of the side beams 23; specifically, the upper plate surface of the platform plate 24 is fixed with protective plates 25 fixedly connected head to tail at the edges of the four sides, wherein the protective plates 25 are welded with 6mm thick patterned steel plates.

[0031] The specific structure of the single-sided roller group 21 is as follows: the single-sided roller group 21 includes a roller 211 and a bracket 213, the roller 211 is adapted to the upper flange plate of the H-shaped steel 11, the bracket 213 is a U-shaped structure with an opening set downward, and the roller 211 is located between the two side plates of the bracket 213, the roller 211 is rotatably installed in the middle of the stud bolt 212, and the end of the stud bolt 212 passes through the corresponding side plate of the bracket 213 and is adapted to be connected with a nut, and the upper end of the bracket 213 is detachably fixed to the bottom of the side beam 23 by four fastening bolts 214.

[0032] The wheel surface of the roller 211 contacts the upper surface of the upper flange plate of the H-shaped steel 11. A positioning ring is formed at the outer end of the roller 211, and the positioning ring is located on the outer side of the inner edge of the upper flange plate of the H-shaped steel 11. This structure can prevent the transport trolley 2 from running off track or shaking, and improve the stability of the transport trolley 2 during the movement process.

[0033] Among them, a pad for raising the corresponding end is fixed at the bottom of one end of the prefabricated track 1, and the handrail column 26 on the transport trolley 2 is located at the same end as the pad. The prefabricated track 1 with a certain slope reduces the resistance of the transport trolley 2 during movement, and the cooling wall 3 is stably constrained on the transport trolley 2 under the action of gravity. Limit blocks 13 are fixed at both ends of the upper end surface of the H-shaped steel 11 to prevent the transport trolley 2 from leaving the prefabricated track 1. In the above structure, when the cooling wall 3 is transported out, a pad can be set at the bottom of the prefabricated track 1 at the same end as the disassembly position, which saves time and effort when transporting it out. Conversely, when installing the cooling wall 3, a pad can be set at the bottom of the end of the prefabricated track 1 opposite to the installation position, thereby reducing the resistance during transportation and saving time and effort in transportation.

[0034] The technical solution has a simple structure, novel design, saves time and effort, and the steel can be recycled and reused, is not easy to damage, and has strong applicability.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0036] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A blast furnace cooling wall installation transfer device, characterized in that: The invention comprises a prefabricated track (1) and a transport trolley (2), wherein the lower end of the transport trolley (2) is rollingly adapted to be mounted on the prefabricated track (1) and can move along the length direction of the prefabricated track (1), two handrail columns (26) are symmetrically fixed to one end of the upper plane of the transport trolley (2), and a cooling wall (3) arranged on the transport trolley (2) is restrained on the transport trolley (2) by an iron chain ring connection device connected to the handrail columns (26), and the transport trolley (2) that moves along the length direction of the prefabricated track (1) transports the cooling wall (3) to an installation position.

2. The blast furnace cooling wall installation and transfer device according to claim 1, characterized in that: The iron chain ring connection device comprises an iron chain and circular rings (4) fixed to both ends of the iron chain, and the two circular rings (4) are respectively mounted on the cooling wall (3) and the handrail column (26).

3. The blast furnace cooling wall installation and transfer device according to claim 1, characterized in that: The prefabricated track (1) comprises two H-shaped steels (11) arranged in parallel and a plurality of angle steels (12) arranged between the two H-shaped steels (11), wherein both ends of the angle steels (12) are welded and fixedly connected to the inner wall of the web of the corresponding end H-shaped steels (11) to form a horizontal frame.

4. The blast furnace cooling wall installation and transfer device according to claim 3, characterized in that: Limit blocks (13) are fixed at both ends of the upper end surface of the H-shaped steel (11) to prevent the transport trolley (2) from leaving the prefabricated track (1).

5. The blast furnace cooling wall installation and transfer device according to claim 1, characterized in that: The transport trolley (2) comprises a single-sided roller group (21), a support frame and a platform plate (24), wherein the platform plate (24) is fixed to the upper end of the support frame, and the bottom of the two long sides of the support frame are evenly distributed with multiple groups of single-sided roller groups (21) whose lower ends are adapted to the upper surface and inner edge of the upper flange plate of the H-shaped steel (11), the two handrail columns (26) are fixed to one end of the platform plate (24), and the cooling wall (3) is arranged on the platform plate (24).

6. The blast furnace cooling wall installation and transfer device according to claim 5, characterized in that: The support frame comprises two side beams (23) and a plurality of cross beams (22) located between the two side beams (23); the ends of the plurality of cross beams (22) are fixedly connected to the inner walls of the side beams (23) at the corresponding ends as a whole; and a plurality of groups of single-sided roller groups (21) are fixed to the bottom surfaces of the side beams (23).

7. The blast furnace cooling wall installation and transfer device according to claim 6, characterized in that: Protective plates (25) are fixed end to end at the four edges of the upper plate surface of the platform plate (24).

8. The blast furnace cooling wall installation and transfer device according to claim 7, characterized in that: The single-sided roller assembly (21) comprises a roller (211) and a bracket (213), wherein the roller (211) is adapted to the upper flange plate of the H-shaped steel (11), the bracket (213) is in a U-shaped structure with an opening arranged downward, and the roller (211) is located between two side plates of the bracket (213), the roller (211) is rotatably mounted on the middle of the stud bolt (212), and the end of the stud bolt (212) passes through the corresponding side plate of the bracket (213) and is adapted to be connected with a nut, and the upper end of the bracket (213) is detachably fixed to the bottom of the side beam (23) by means of a fastening bolt (214).

9. The blast furnace cooling wall installation and transfer device according to claim 8, characterized in that: The wheel surface of the roller (211) contacts the upper surface of the upper flange plate of the H-shaped steel (11), and a positioning ring is formed on the outer end of the roller (211), and the positioning ring is located on the outer side of the inner edge of the upper flange plate of the H-shaped steel (11).

10. The blast furnace cooling wall installation and transfer device according to any one of claims 1 to 9, characterized in that: A pad for raising the corresponding end of the prefabricated track (1) is fixed to the bottom of one end, and the handrail column (26) on the transport trolley (2) is located at the same end as the pad.

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