阅读说明：本技术 一种钢包用滑动水口机械装置及其使用方法 (Sliding nozzle mechanical device for steel ladle and use method thereof ) 是由 李凤强 王永民 刘卓强 翟明星 李雪 于 2020-05-19 设计创作，主要内容包括：本发明提供了一种钢包用滑动水口机械装置及其使用方法,涉及炼钢机械领域,底座本体通过锁紧装置固定上滑板,并安装有上水口,门体为侧开结构,开门框架与滑动框架滑动配合,油缸通过连杆与滑动框架连接,滑动框架内安装有下滑板和下水口；开门框架通过门体连接组件与底座本体铰接,安全螺栓与开门框架位置配合,安全螺栓可锁定底座本体与开门框架；耐磨块设置在开门框架上,固定滑块通过组合式弹簧安装在底座本体上,耐磨块与固定滑块配合进行自动压力建立。本发明采用侧开结构的门体组件,避免了上下开门时因机构重量问题不好操作的问题,能够适合更大钢包的使用。安全螺栓的使用,提高了产品的安全性。(The invention provides a mechanical device of a sliding nozzle for a steel ladle and a using method thereof, relating to the field of steel-making machinery.A base body fixes an upper sliding plate through a locking device and is provided with an upper nozzle, a door body is of a side-opening structure, a door-opening frame is in sliding fit with the sliding frame, an oil cylinder is connected with the sliding frame through a connecting rod, and the sliding frame is internally provided with a lower sliding plate and a lower nozzle; the door opening frame is hinged with the base body through the door body connecting assembly, the safety bolt is matched with the door opening frame in position, and the safety bolt can lock the base body and the door opening frame; the wear-resisting piece sets up on the frame that opens the door, and fixed sliding block passes through the combination formula spring mounting on the base body, and wear-resisting piece carries out automatic pressure with fixed sliding block cooperation and establishes. The invention adopts the door body assembly with the side-opening structure, avoids the problem of poor operation caused by the weight problem of the mechanism when the door is opened up and down, and can be suitable for larger ladles. The safety bolt is used, and the safety of the product is improved.)

1. The utility model provides a ladle is with slide gate nozzle mechanical device which characterized in that: the door body assembly comprises a base body (1), a door body assembly, an oil cylinder (6), a door body connecting assembly and a pressure building assembly;

the base body (1) is fixed with the upper sliding plate (2) through a locking device (5), and the base body (1) is provided with an upper water gap (20);

the door body assembly is of a side-opening structure and comprises a door opening frame (15) and a sliding frame (11), the door opening frame (15) is in sliding fit with the sliding frame (11), the oil cylinder (6) is connected with the sliding frame (11) through a connecting rod (8), and a lower sliding plate (12) and a lower water gap (22) are installed in the sliding frame (11);

the door opening frame (15) is hinged to the base body (1) through a door body connecting assembly, the door body connecting assembly comprises a safety bolt (17), the safety bolt (17) is matched with the door opening frame (15) in position, and the safety bolt (17) can lock the base body (1) and the door opening frame (15);

the pressure building assembly comprises a fixed sliding block (4), a combined spring (3) and a wear-resistant block (14), the wear-resistant block (14) is arranged on a door opening frame (15), the fixed sliding block (4) is installed on the base body (1) through the combined spring (3), and the wear-resistant block (14) is matched with the fixed sliding block (4) to build automatic pressure.

2. The mechanical device of a sliding gate nozzle for a ladle according to claim 1, wherein: the upper sliding plate (2) and the lower sliding plate (12) have the same structure.

3. The mechanical device of a sliding gate nozzle for a ladle according to claim 1 or 2, wherein: the door body assembly comprises a clamping block (13), the door opening frame (15) is provided with the clamping block (13), and the clamping block (13) is structurally matched with the sliding frame (11).

4. The mechanical device of a sliding gate nozzle for a ladle according to claim 3, wherein: install wear-resisting draw runner (24) on sliding frame (11), install track (25) on opening door frame (15), wear-resisting draw runner (24) and track (25) sliding fit.

5. The mechanical device of a sliding gate nozzle for a ladle according to claim 1 or 2, wherein: the door body coupling assembling still includes safety block (10), connecting plate (9) and hydro-cylinder bracket (7), the one end of safety block (10) is articulated with frame (15) that opens the door, the other end and hydro-cylinder bracket (7) of safety block (10) can be dismantled and be connected, hydro-cylinder bracket (7) are connected with connecting plate (9), connecting plate (9) are articulated with base body (1).

6. The mechanical device of a sliding gate nozzle for a ladle according to claim 5, wherein: the oil cylinder bracket (7) is structurally matched with the sliding frame (11).

7. The mechanical device of a sliding gate nozzle for a ladle according to claim 5, wherein: a fixed guard plate (16) is installed outside the sliding frame (11), a movable guard plate (27) is arranged outside the safety block (10), and the movable guard plate (27) is hinged to the base body (1).

8. A use method of a mechanical device of a sliding nozzle for a ladle is characterized in that: the method mainly comprises the following steps:

1) the oil cylinder (6) is hung on the oil cylinder bracket (7), and the oil cylinder (6) is connected with the connecting rod (8);

2) starting the oil cylinder (6) to enable the lower sliding plate (12) to reach a casting position, and cleaning residual steel in the refractory channel;

3) after the residual steel is cleaned, adjusting the lower sliding plate (12) to a closed position, opening the safety block (10), adjusting the lower sliding plate (12) to a casting position, and starting to release pressure;

4) taking down the water outlet (22), loosening the safety bolt (17), opening the door, taking down the upper sliding plate (2) and the lower sliding plate (12), and cleaning dust in the plate cavities of the base body (1) and the sliding frame (11);

5) installing refractory materials, respectively installing an upper sliding plate (2) and a lower sliding plate (12), locking a locking device (5), closing a door, screwing a safety bolt (17) and closing a safety block (10);

6) starting the lower sliding plate (12) to a closed position to establish pressure;

7) closing the movable guard plate (27), starting the lower sliding plate (12) to a casting position, and installing a lower water gap (22);

8) cleaning redundant fire clay in the water gap, and starting the lower sliding plate (12) to a closed position;

9) the oil cylinder (6) is removed and is used on line.

Technical Field

The invention belongs to the field of steel-making machinery, and particularly relates to a sliding nozzle mechanical device for a steel ladle and a using method thereof.

Background

At present, in the process of establishing vertical pressure by a sliding water gap mechanical device for a steel ladle in the market, pressure is mostly established by a lengthened stroke of a hot repair oil cylinder, and pressure establishment is realized by sliding of a wheel shaft and a wheel. And the sliding water gap is mostly of a structure with an up-and-down opening door.

When the structure is used for opening the steel ladle, the structure of opening the door up and down is inconvenient to operate because the structure cannot be turned over due to the weight problem.

In addition, because the stroke of the hot repair oil cylinder is lengthened, the safety pin needs to be inserted and pulled every time, the safety pin is installed through the small spring, and the safety pin can fall off after the small spring fails, so that serious safety accidents occur.

Disclosure of Invention

In view of the above-mentioned shortcomings in the prior art, the present invention provides a mechanical device for a sliding gate nozzle for a ladle and a method for using the same, so as to solve the above-mentioned technical problems.

The invention provides a mechanical device of a sliding water gap for a steel ladle, which comprises a base body, a door body assembly, an oil cylinder, a door body connecting assembly and a pressure building assembly, wherein the base body is provided with a base seat; the base body is fixed with the upper sliding plate through a locking device, and a water feeding port is arranged on the base body; the door body assembly is of a side-opening structure and comprises a door opening frame and a sliding frame, the door opening frame is in sliding fit with the sliding frame, the oil cylinder is connected with the sliding frame through a connecting rod, and a lower sliding plate and a lower water gap are installed in the sliding frame; the door opening frame is hinged with the base body through a door body connecting assembly, the door body connecting assembly comprises a safety bolt, the safety bolt is matched with the door opening frame in position, and the safety bolt can lock the base body and the door opening frame; the pressure building assembly comprises a fixed sliding block, a combined spring and a wear-resistant block, the wear-resistant block is arranged on the door opening frame, the fixed sliding block is installed on the base body through the combined spring, and the wear-resistant block and the fixed sliding block are matched to build automatic pressure.

Further, the upper sliding plate and the lower sliding plate are identical in structure. The sliding plates used by most of mechanisms in the current market are separated from top to bottom, so that the risk of reverse installation exists, the mechanism designed by the inventor adopts the sliding plates which are the same from top to bottom, the reverse installation condition can be avoided, and the purposes of simple operation and safety are achieved.

Further, the door body assembly comprises a clamping block, the door opening frame is provided with the clamping block, and the clamping block is matched with the sliding frame structure and used for clamping the sliding frame.

Furthermore, wear-resisting draw runner is installed on the sliding frame, the track is installed on the door opening frame, and the wear-resisting draw runner is in sliding fit with the track.

Further, door body coupling assembling still includes safety piece, connecting plate and hydro-cylinder bracket, the one end of safety piece is articulated with the frame of opening the door, the other end and the hydro-cylinder bracket of safety piece can be dismantled and be connected, the hydro-cylinder bracket is connected with the connecting plate, the connecting plate is articulated with base body.

Further, the oil cylinder bracket is matched with the sliding frame structure. So that the oil cylinder is conveniently connected with the sliding frame, and the connection of the door opening frame and the sliding frame can be realized through the oil cylinder bracket.

Furthermore, a fixed guard plate is installed outside the sliding frame, a movable guard plate is arranged outside the safety block, and the movable guard plate is hinged with the base body.

In a second aspect, the invention provides a method for using a sliding nozzle mechanical device for a ladle, which mainly comprises the following steps:

1) the oil cylinder is hung on the oil cylinder bracket, and the oil cylinder is connected with the connecting rod;

2) starting the oil cylinder to enable the lower sliding plate to reach a casting position, and cleaning residual steel in the refractory material channel;

3) after the residual steel is cleaned, adjusting the lower sliding plate to a closed position, opening the safety block, adjusting the lower sliding plate to a casting starting position, and starting to release pressure;

4) taking down the water outlet, loosening the safety bolt, opening the door, taking down the upper sliding plate and the lower sliding plate, and cleaning dust in the cavities of the base body and the sliding frame plate;

5) installing refractory materials, respectively installing an upper sliding plate and a lower sliding plate, locking a locking device, closing a door, screwing a safety bolt and closing a safety block;

6) starting the lower sliding plate to a closed position, and automatically building pressure by the mechanism;

7) closing the movable guard plate, starting the lower sliding plate to a casting position, and installing a water outlet;

8) cleaning redundant fire clay in the water gap, and starting the lower sliding plate to a closed position;

9) and (5) taking off the oil cylinder and waiting for online use.

The mechanical device for the sliding water gap for the steel ladle has the advantages that the door body assembly with the side-opening structure is adopted, the problem that the operation is not easy due to the weight of the mechanism when the door is opened up and down is solved, and the mechanical device for the sliding water gap for the steel ladle is suitable for being used for larger steel ladles. The cooperation of frame and the sliding frame of opening the door can make the device adapt to the slide gate structure well, and in addition, the problem that the safety pin became invalid on having avoided current big many mechanisms is used to the safety bolt, improves the security of product.

The invention has reliable design principle, simple structure and very wide application prospect.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic structural view of a sliding gate nozzle mechanism for a ladle according to the present invention.

Fig. 2 is a partial schematic view of a sliding gate nozzle mechanism for a ladle according to the present invention.

Fig. 3 is a schematic view of the assembled parts of the base body of the present invention.

Fig. 4 is a schematic view of the assembled components of the door opening frame of the present invention.

Fig. 5 is a schematic view of the assembled parts of the sliding frame of the present invention.

Fig. 6 is a schematic view of the cylinder bracket assembly of the present invention.

In the figure, the sliding device comprises a base body 1, a base body 2, an upper sliding plate 3, a combined spring 4, a fixed sliding block 5, a locking device 6, an oil cylinder 7, an oil cylinder bracket 8, a connecting rod 9, a connecting plate 10, a safety block 11, a sliding frame 12, a lower sliding plate 13, a clamping block 14, a wear-resistant block 15, a door opening frame 16, a fixed guard plate 17, a safety bolt 18, a fixed shaft 19, a water feeding port positioning device 20, a water feeding port 21, a positioning pin 22, a water discharging port 23, a locking sleeve 24, a wear-resistant sliding strip 25, a rail 26, a wedge 27 and a movable guard plate.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific production of each part requires production technologies such as casting, forging, heat treatment and the like. The connection mode adopts conventional means such as bolts, welding and the like which are mature in the prior art, and the detailed description is omitted.

A mechanical device of a sliding nozzle for a ladle is shown in figures 1 and 2 and comprises a base body 1, a door body assembly, an oil cylinder 6, a door body connecting assembly and a pressure building assembly.

The base body 1 is fixed with the upper sliding plate 2 through a locking device 5, and the base body 1 is provided with a water feeding port 20 through a water feeding port 20 positioning device 19; the door body assembly is of a side-opening structure and comprises a door opening frame 15, a clamping block 13 and a sliding frame 11,

the door opening frame 15 is in sliding fit with the sliding frame 11, specifically, the sliding frame 11 is provided with a wear-resistant sliding strip 24, the door opening frame 15 is provided with a track 25, and the wear-resistant sliding strip 24 is in sliding fit with the track 25. The oil cylinder 6 is connected with the sliding frame 11 through a connecting rod 8 to realize up-and-down sliding so as to control the flow of molten steel.

The door opening frame 15 is provided with a clamping block 13, and the clamping block 13 is structurally matched with the sliding frame 11 and used for clamping the sliding frame 11.

The sliding frame 11 is internally provided with a lower sliding plate 12 and a lower nozzle 22, and the lower nozzle 22 is locked by a locking sleeve 23.

The door opening frame 15 is hinged with the base body 1 through the door body connecting assembly. Door body coupling assembling includes safety bolt 17, safety piece 10, connecting plate 9 and hydro-cylinder bracket 7, as shown in fig. 1, 4, 6, the one end of safety piece 10 is articulated with door opening frame 15, the other end and the hydro-cylinder bracket 7 of safety piece 10 can be dismantled and be connected, hydro-cylinder bracket 7 is connected with connecting plate 9, connecting plate 9 is articulated with base body 1 to be convenient for realize the action of opening and shutting the door, safety bolt 17 and 15 position cooperations of door opening frame, safety bolt 17 lockable base body 1 and door opening frame 15.

Preferably, the cylinder bracket 7 is structurally matched with the sliding frame 11. So that the connection of the oil cylinder 6 to the sliding frame 11 is facilitated, and in addition, the connection of the door-opening frame 15 to the sliding frame 11 is also possible via the cylinder bracket 7.

The pressure building assembly comprises a fixed sliding block 4, a positioning pin 21, a combined spring 3 and a wear-resistant block 14, wherein the wear-resistant block 14 is arranged on a door opening frame 15, the fixed sliding block 4 is installed on the base body 1 through the combined spring 3, and the wear-resistant block 14 is matched with the fixed sliding block 4 to build pressure automatically. Specifically, as shown in fig. 3, 4 combined springs 3 are installed in the base body 1, and every two springs are connected with one fixed slide block 4 and guided by a positioning pin 21.

Further, a fixed guard plate 16 is installed outside the sliding frame 11, a movable guard plate 27 is installed outside the safety block 10, the movable guard plate 27 is used for protecting the safety block 10, the fixed guard plate 16 is connected with the sliding frame 11 through a wedge 26, and the movable guard plate 27 is hinged to the base body 1.

The upper slide plate 2 and the lower slide plate 12 have the same structure. The sliding plates used by most of mechanisms in the current market are separated from top to bottom, so that the risk of reverse installation exists, the mechanism designed by the inventor adopts the sliding plates which are the same from top to bottom, the reverse installation condition can be avoided, and the purposes of simple operation and safety are achieved.

The using method of the sliding nozzle mechanical device for the ladle mainly comprises the following steps:

1) the oil cylinder 6 is hung on the oil cylinder bracket 7, and the oil cylinder 6 is connected with the connecting rod 8;

2) starting the oil cylinder 6 to enable the lower sliding plate 12 to reach a casting position, and cleaning residual steel in the refractory channel;

3) after the residual steel is cleaned, adjusting the lower sliding plate 12 to a closed position, opening the movable guard plate 27, opening the safety block 10, adjusting the lower sliding plate 12 to a casting position, and starting to release pressure;

4) the locking sleeve 23 and the lower water gap 22 are taken down, the safety bolt 17 is loosened, the door is opened (the door opening frame 15, the sliding frame 11 and the oil cylinder bracket 7 are opened together), the locking device 5 is loosened, the upper sliding plate 2 and the lower sliding plate 12 are taken down, and dust in the plate cavities of the base body 1 and the sliding frame 11 is cleaned;

5) installing refractory materials, installing an upper sliding plate 2 and a lower sliding plate 12 respectively, locking and locking the device 5, closing a door (the door opening frame 15, the sliding frame 11 and the oil cylinder bracket 7 are closed together), screwing a safety bolt 17, and closing the safety block 10;

6) starting the lower sliding plate 12 to a closed position, and automatically building pressure by the mechanism;

7) closing the movable guard plate 27, starting the lower sliding plate 12 to a casting position, and installing the lower water gap 22 and the locking sleeve 23;

8) cleaning redundant fire clay in the water gap, and starting the lower sliding plate 12 to a closed position;

9) the oil cylinder 6 is taken off and is used on line.

The mechanical device for the sliding water gap for the steel ladle adopts the door body assembly with the side opening structure, avoids the problem of poor operation caused by the weight of the mechanism when the door is opened up and down, and can be suitable for larger steel ladles. The cooperation of the door opening frame 15 and the slide frame 11 enables the device to be well adapted to the slide gate structure.

The safety bolt 17 is used, so that the problem that the safety pin on the existing large and large mechanisms is invalid is avoided, and the safety of the product is improved.

In addition, the slide plates which are mostly used are separated from each other up and down, so that the risk of reverse installation exists, the reverse installation can be realized on the back by adopting the slide plates which are the same up and down, and the effects of simple operation, safety and high continuous sliding times can be achieved.

It will be understood that when an element or layer is referred to as being "on," connected to, "or" coupled to "another element or layer, it can be directly on, connected or coupled to the other element or layer, and intervening elements or layers may also be present. In contrast, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements throughout. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Spatially relative terms such as "under …", "below", "lower", "above", "over", and the like, as may be used herein for ease of description, describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the description in this document. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.