CN217203386U

CN217203386U - Carrying device of converter buggy ladle

Info

Publication number: CN217203386U
Application number: CN202221040520.1U
Authority: CN
Inventors: 李小龙; 夏长东; 李志敏; 张树雷; 戎广平; 王凯强
Original assignee: Wuhu Xinxing Ductile Iron Pipes Co Ltd
Current assignee: Wuhu Xinxing Ductile Iron Pipes Co Ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-16
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a converter buggy ladle carrier in the field of converter buggy ladle carrier, the carrier comprises two load H-shaped steels, the two load H-shaped steels are respectively embedded in the track foundation, the upper end surfaces of the load H-shaped steels are exposed on the upper surface of the track foundation, the upper end surfaces of the two load H-shaped steels are both paved with steel rails, the two steel rails are positioned at the same horizontal height and are arranged in parallel, the two sides of the steel rails are provided with rail pressing devices which are attached to the bottom corners of the steel rails and used for pressing and fixing the steel rails, the rail pressing devices are welded on the load H-shaped steels, and the inner vertical surface and the outer upper surface of the track foundation are respectively and fixedly provided with a vertical plate and a flat plate; the carrying device can prolong the service life of the steel rail and the track foundation, reduce maintenance and protection replacement frequency and improve yield.

Description

Carrying device of converter buggy ladle

Technical Field

The utility model relates to a carrying device field of converter buggy ladle specifically relates to a carrying device of converter buggy ladle.

Background

A converter ladle car of a steel plant is an electric flat car capable of freely controlling the running speed of carrying molten steel and ladles during converter tapping, a station of the electric flat car is generally arranged below converter equipment, and the molten steel and steel slag are carried through civil engineering foundations and the bearing of heavy steel rails. At present, the foundation of the type generally adopts a C25-C35 grade high-temperature-resistant reinforced concrete layer, the pre-embedded bolts are poured for the second time after the steel rail is positioned, and a standard steel rail pressing plate is installed after the steel rail is solidified so as to fix the steel rail.

Because the working condition environment is extremely severe, the highest temperature resistance of the high-temperature resistant concrete of the foundation is 300 ℃, the direct contact between the high-temperature slag and the foundation concrete caused by the phenomena of steel overflow, slag splashing and the like of the converter can quickly erode the foundation, and the periodic engineering machinery can clean the slag channel of the ladle car, so that the track foundation is easily damaged, the service life of the civil engineering foundation is greatly reduced, and the average period is less than 1 year. The whole weight of the buggy ladle and the full ladle molten steel generally can be hundreds of tons, the steel rail is heated and expanded by the high temperature generated by continuous production, and then is continuously rolled by the buggy ladle, a gap can be generated between the steel rail and the pressing plate, the steel rail is finally loosened and deformed due to long-time repeated expansion and contraction, the average service life of the steel rail of the buggy ladle is less than 2 months, and the buggy ladle is seriously fallen off the track or causes safety accidents. The production of the rail foundation generally needs to be stopped for 3-5 days, and the replacement of the steel rail needs to be stopped for 6-8 hours, so that the yield is reduced, and the production plan is delayed.

Therefore, it is urgently needed to provide a carrying device of a converter buggy ladle to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a converter buggy ladle's carrying device, this carrying device can prolong the life on rail and track basis, reduces the dimension and protects to change the frequency, increase of production.

In order to realize the above-mentioned purpose, the utility model provides a converter buggy ladle's delivery device, the delivery device includes two load H shaped steel, two load H shaped steel is pre-buried in track basis respectively, and the up end of load H shaped steel exposes track basis upper surface, two the rail has all been laid to the up end of load H shaped steel, two the rail is located same level and parallel arrangement, the rail both sides be provided with what the rail base angle was laminated is used for compressing tightly fixedly the rail pressing ware of rail, the rail pressing ware welding is in on the load H shaped steel, track basis inboard facade and outside upper surface are fixed riser and the flat board of being provided with respectively.

Preferably, the rail pressing devices are multiple groups, and the multiple groups of rail pressing devices are arranged on two sides of each steel rail in a staggered mode.

Preferably, each group of rail pressing devices positioned on two sides of the same steel rail are arranged at equal intervals, and the interval is 900-1100 mm.

Preferably, the oblique angle of one side of the rail pressing device, which is close to the steel rail, is the same as the bottom angle of the steel rail, and is 13-15 degrees, and welding grooves of 44-46 degrees are reserved on the other three sides.

Preferably, the track foundation comprises an inner reinforced concrete layer and an outer plain concrete layer, the load-carrying H-shaped steel is embedded in the reinforced concrete layer, and the flat plate is laid on the upper surface of the plain concrete layer.

Preferably, the vertical plate is fixed on the reinforced concrete layer through a nut screw, and a countersunk hole for preventing the nut screw from being exposed is formed in the vertical plate.

Preferably, the flat plate and/or the vertical plate is made of RtCr2 type heat-resistant nodular cast iron.

According to the technical scheme, through with load H shaped steel pre-buried in the track basis, and the up end of load H shaped steel exposes the track basis upper surface, during the rail installation, only need accomplish location elevation and level can, need not secondary grout and pre-buried bolt in advance, rail location back installation rail pressing ware, push down the rail with rail pressing ware, and will press the welding of rail ware on load H shaped steel, rail pressing ware and the base angle laminating of rail, there is not the gap between rail pressing ware and the rail, make the rail radially not have the activity, the clearance problem that the rail shrinkage produced has been solved to the thermal expansion of rail, make the firm tight load H shaped steel that pastes of rail, life improves greatly, the maintenance change frequency has been reduced. The vertical plate and the flat plate are fixedly arranged on the inner vertical surface and the outer upper surface of the track foundation respectively, so that the track foundation can be isolated from high-temperature molten slag, the track foundation is prevented from being corroded by the high-temperature molten slag, on the other hand, the vertical plate can prevent the engineering machinery from contacting the track foundation when the engineering machinery cleans a slag channel, and the track foundation is prevented from being damaged by the engineering machinery. In conclusion, the carrying device can greatly prolong the service life of the track foundation and the steel rail, reduce maintenance and replacement frequency and improve yield.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of one embodiment of the present invention;

FIG. 2 is a schematic structural diagram of one embodiment of the middle load H-shaped steel, the steel rail and the rail pressing device of the present invention;

fig. 3 is a schematic view of an installation structure of one embodiment of the vertical plate and the reinforced concrete layer of the present invention;

FIG. 4 is a schematic view of an installation structure of one embodiment of the steel rail and the rail pressing device of the present invention;

FIG. 5 is a schematic view of a welding groove structure of the rail pressing device of the present invention;

fig. 6 is a schematic diagram of the distribution of the rail pressing devices according to one embodiment of the present invention.

Description of the reference numerals

1-load-carrying H-shaped steel, 2-steel rail, 3-rail press, 4-vertical plate, 5-flat plate, 6-bevel angle, 7-welding groove, 8-reinforced concrete layer, 9-plain concrete layer and 10-countersunk hole.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

The utility model provides a converter buggy ladle's delivery device, delivery device includes two load H shaped steel 1, two load H shaped steel 1 are pre-buried in track basis respectively, and the up end of load H shaped steel 1 exposes at track basis upper surface, rail 2 has all been laid to two load H shaped steel 1's up end, two rail 2 are located same level and parallel arrangement, rail 2 both sides are provided with the rail pressing device 3 that is used for compressing tightly fixed rail 2 with the laminating of 2 base angles of rail, rail pressing device 3 welds on load H shaped steel 1, track basis inboard facade and outside upper surface are fixed riser 4 and dull and stereotyped 5 that are provided with respectively.

Through pre-burying load H shaped steel 1 in the track basis, and load H shaped steel 1's up end exposes on the track basis upper surface, during the installation of rail 2, only need accomplish location elevation and level can, need not secondary grout and pre-buried bolt in advance, rail 2 fixes a position the back installation rail pressing device 3, push down rail 2 with rail pressing device 3, and with rail pressing device 3 welding on load H shaped steel 1, rail pressing device 3 and the laminating of the base angle of rail 2, there is not the gap between rail pressing device 3 and the rail 2, make rail 2 radially not have the activity, the clearance problem of rail 2 thermal expansion shrinkage production has been solved, make rail 2 firmly paste load H shaped steel 1, and life improves greatly, the maintenance frequency of changing has been reduced. The vertical plate 4 and the flat plate 5 are fixedly arranged on the inner vertical surface and the outer upper surface of the track foundation respectively, so that the track foundation can be isolated from high-temperature molten slag, the track foundation is prevented from being eroded by the high-temperature molten slag, on the other hand, the vertical plate 4 can prevent the engineering machinery from contacting the track foundation when the engineering machinery cleans a slag channel, and the track foundation is prevented from being damaged by the engineering machinery. In conclusion, the carrying device can greatly prolong the service life of the track foundation and the steel rail 2, reduce maintenance and replacement frequency and improve yield.

In the present embodiment, for the sake of stability and conservation principle, the rail pressing devices 3 are multiple sets and the multiple sets of rail pressing devices 3 are alternately arranged on both sides of each rail 2.

In the present embodiment, each set of rail pressing devices 3 located on both sides of the same rail 2 are arranged at equal intervals, and the interval is 900-1100mm, preferably 1000mm, so that the rail 2 can be fixed more stably.

In the embodiment, the bevel angle 6 of one side of the rail pressing device 3 close to the steel rail 2 is the same as the bottom angle of the steel rail 2, and is 13-15 degrees, preferably 14 degrees, and the rail pressing device 3 is attached to and presses the bottom angle of the steel rail 2, so that the steel rail 2 has no radial expansion; and welding bevels 7 with the angle of 44-46 degrees are reserved on the other three sides, preferably 45 degrees, so that the rail pressing device 3 and the load-bearing H-shaped steel 1 can be conveniently welded and fixed.

In the embodiment, the track foundation comprises an inner C25-grade reinforced concrete layer 8 and an outer plain concrete layer 9, the load-carrying H-shaped steel 1 is embedded in the reinforced concrete layer 8, and the flat plate 5 is laid on the upper surface of the plain concrete layer 9.

In the embodiment, the vertical plate 4 is fixed on the reinforced concrete layer 8 through the nut screw, and the vertical plate 4 is provided with the counter sink 10 for preventing the nut screw from being exposed, so that the service life of the cast iron plate can be further prolonged. The counter bore 10 is formed by pre-embedding bolts according to mounting holes when the vertical plate 4 is poured.

In the present embodiment, the material of the flat plate 5 and/or the upright plate 4 is RtCr2 type heat-resistant spheroidal graphite cast iron.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be arbitrarily combined with each other, and the disclosed content of the present invention should be considered as the same as long as it does not violate the idea of the present invention.

Claims

1. The utility model provides a carrying device of converter buggy ladle, its characterized in that, carrying device includes two load H shaped steel (1), two load H shaped steel (1) are pre-buried in the track basis respectively, and the up end of load H shaped steel (1) exposes track basis upper surface, two rail (2) have all been laid to the up end of load H shaped steel (1), two rail (2) are located same level and parallel arrangement, rail (2) both sides be provided with rail (2) base angle laminating be used for compressing tightly fixedly rail presser (3) of rail (2), rail presser (3) welding is in on load H shaped steel (1), track basis inboard facade and outside upper surface are fixed riser (4) and flat board (5) respectively.

2. A vehicle according to claim 1, characterized in that said rail presser (3) is a plurality of groups and said rail presser (3) is staggered on both sides of each said rail (2).

3. A carrier device according to claim 2, characterised in that each group of said rail presses (3) located on both sides of the same rail (2) is equally spaced and spaced at 900-1100 mm.

4. A vehicle according to claim 1, characterized in that the oblique angle (6) of the rail presser (3) on the side close to the rail (2) is the same as the base angle of the rail (2) and is 13-15 degrees, and a welding groove (7) of 44-46 degrees is reserved on the other three sides.

5. A carrier device according to claim 1, characterized in that the track foundation comprises an inner reinforced concrete layer (8) and an outer plain concrete layer (9), the load-carrying H-beam (1) is pre-embedded in the reinforced concrete layer (8), and the flat plate (5) is laid on the upper surface of the plain concrete layer (9).

6. A carrier device according to claim 5, characterized in that said vertical plate (4) is fixed on said reinforced concrete layer (8) by means of nut screws, and said vertical plate (4) is provided with counter bores (10) for preventing said nut screws from being exposed.

7. A carrier device according to any one of claims 1-6, characterized in that the material of the flat plate (5) and/or the vertical plate (4) is RtCr2 type heat-resistant nodular cast iron.