CN219297557U

CN219297557U - Blast furnace main trench cover swing arm connecting rod lifting mechanism

Info

Publication number: CN219297557U
Application number: CN202222648067.9U
Authority: CN
Inventors: 张守喜; 谭帅; 韩佳东; 胡展铭; 王伟; 谢孔明
Original assignee: Bengang Steel Plates Co Ltd
Current assignee: Bengang Steel Plates Co Ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-07-04
Anticipated expiration: 2032-10-09

Abstract

The utility model belongs to the field of main iron runner of blast furnaces, and provides a swing arm and connecting rod lifting mechanism of a main runner cover of a blast furnace, which particularly comprises an end cover body and a lifting mechanism, wherein the lifting mechanism is arranged on the end cover body; the connecting part is rotationally connected to one end of the lifting mechanism, and one end of the swing arm is rotationally connected to the connecting part which moves up and down; the other end of the swing arm is connected with the driving mechanism. The utility model has compact structure and high power, is suitable for operation in narrow space areas, and solves the problem that large hoisting equipment cannot be close.

Description

Blast furnace main trench cover swing arm connecting rod lifting mechanism

Technical Field

The utility model belongs to the field of main iron runner of blast furnace, and particularly relates to a swing arm and connecting rod lifting mechanism of a main runner cover of a blast furnace

Background

The main iron runner of the blast furnace is an important facility in front of the blast furnace, and the main iron runner of the blast furnace has the function of separating liquid slag from iron. The iron storage type and the non-iron storage type are classified according to whether the molten iron is stored in the non-iron discharge runner. The iron storage main iron runner is widely used because the temperature in the runner is stable, and molten iron does not directly wash refractory materials at the bottom of the runner during tapping. Because the main iron runner stores high-temperature molten iron for a long time, and the lining is washed and eroded by slag iron for a long time, the working condition is very bad, the total weight of the main iron runner cover reaches 20t, and the main iron runner cover covers the front section of the main iron runner, so that the main iron runner is closed and the operation of no dust is realized in the tapping process. The device is designed and arranged between the tuyere platform and the cast house platform, not only is close to the furnace shell and has narrow space, but also any crane cannot approach. After tapping, the main runner cover must be lifted to block the tapping hole, so that the blast furnace enters the next circulation operation. In the prior art, a method of presetting a hoisting tool is adopted, a hoisting ring is welded on a metal steel beam above a main ditch cover, a plurality of chain blocks are hung, a steel plate is paved along the line to reduce friction force, and then the main ditch cover is lifted and removed by mutually matching the chain blocks. Because the movement is limited and the operation is carried out in a narrow space, operators are difficult to lift the main iron runner cover accurately on time to overcome the adverse factors of high-temperature radiation, dust, gas and the like on a construction site, the normal production of the blast furnace is severely restricted, and improvement is urgently needed.

Disclosure of Invention

The utility model aims to solve the technical problems that the main iron runner end cover of the blast furnace is small in space, the prior art equipment is large, the operation activity is limited, and the main iron runner end cover is not easy to lift.

Therefore, the utility model aims to provide a blast furnace main trench cover swing arm connecting rod lifting mechanism.

In order to achieve the above purpose, the technical scheme of the utility model provides an end cover lifting device for a blast furnace main iron runner, which comprises an end cover body and a lifting mechanism arranged on the end cover body, wherein a connecting part is arranged on the lifting mechanism and is rotationally connected with one end of the lifting mechanism through a third hinge shaft, the other end of the connecting part is rotationally connected with a swing arm through a second hinge shaft, and the other end of the swing arm is rotationally connected with a driving mechanism.

In addition, the blast furnace main trench cover swing arm connecting rod lifting mechanism in the technical scheme provided by the utility model can further comprise the following additional technical characteristics:

in one technical scheme of the utility model, the device further comprises a first fixed pin shaft, wherein the first fixed pin shaft is fixedly arranged at the other end of the driving mechanism, and the driving mechanism rotates around the first fixed pin shaft.

In one technical scheme of the utility model, the device further comprises a first hinge shaft, a second hinge shaft and a third hinge shaft, wherein the driving mechanism is hinged with one end of the swing arm through the first hinge shaft; one end of the connecting part is hinged with the swing arm through the second hinge shaft, and the other end of the connecting part is hinged with the lifting mechanism through the third hinge shaft.

In one technical scheme of the utility model, the lifting mechanism is of a special-shaped lever structure, and one end of the lifting mechanism is provided with a circular arc concave surface.

In one technical scheme of the utility model, the part, far away from the swing arm, of the lifting mechanism is of a linear double-link structure, the linear double-link structure consists of two links and a second fixed pin shaft, the links are parallel to each other, and two ends of the second fixed pin shaft are respectively connected with the links.

In one technical scheme of the utility model, the novel end cover further comprises a supporting seat, the root of the supporting seat is arranged on the end cover main body, and the head is connected with a clamping hook arranged at one end of the connecting rod.

In one technical scheme of the utility model, the shape of the clamping hook is polygonal, and the size of the clamping hook is matched with the diameter size of the second fixed pin shaft.

In one technical scheme of the utility model, the driving mechanism is of a hydraulic cylinder structure.

Compared with the prior art, the utility model at least comprises the following beneficial effects:

1. the structure is compact, the power is high, the device is suitable for operation in a narrow space area, and the problem that large hoisting equipment cannot be close is solved.

2. Manual operation is released, and personal injury accidents are avoided.

3. The operation is carried out under the condition of ensuring the uninterrupted production of the blast furnace, and the huge loss caused by the shutdown of the blast furnace is avoided.

Drawings

FIG. 1 shows a schematic view of a solid 3D structure of a swing arm and link lifting mechanism of a main shaft cover of a blast furnace

FIG. 2 shows a schematic 3D structure of a swing arm part of a swing arm and link lifting mechanism of a main shaft cover of a blast furnace

FIG. 3 shows a schematic view of a 3D structure of a connecting part of a swing arm and connecting rod lifting mechanism of a main shaft cover of a blast furnace

FIG. 4 shows a 3D structure diagram of a lifting mechanism of a swing arm and link lifting mechanism of a main shaft cover of a blast furnace

The correspondence between the reference numerals and the component names in fig. 1 to 4 is:

1. the driving device 1.1 is provided with a first fixed pin roll 2, a swing arm 2.1 is provided with a first hinge shaft 2.3, a second hinge shaft 3, a connecting part 3.1, a third hinge shaft 4 lifting mechanism 4.1, a clamping hook 4.2 and a second fixed pin roll 4.3 supporting seat 4.4 connecting rod

Detailed Description

In order to better understand the technical solutions described above, the technical solutions of the embodiments of the present application are described in detail below through the accompanying drawings and the specific embodiments, and it should be understood that the embodiments of the present application and the specific features in the embodiments are detailed descriptions of the technical solutions of the embodiments of the present application, and not limit the technical solutions of the present application, and the embodiments of the present application and the technical features in the embodiments of the present application may be combined with each other without conflict.

In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. The term "two or more" includes two or more cases.

In one embodiment of the present application, there is provided a blast furnace main shaft cover swing arm link lifting mechanism comprising an end cover body 5, further comprising

The lifting mechanism 4 is arranged on the end cover body 5;

the connecting part 3, the driving mechanism 1 and the swing arm 2, wherein the connecting part 3 is rotationally connected to one end of the lifting mechanism 4, and one end of the swing arm 2 is rotationally connected to the connecting part 3 which moves up and down; the other end of the swing arm 2 is connected with the driving mechanism 1.

In one embodiment of the present application, the device further comprises a first fixed pin 2.1, the first fixed pin 2.1 is fixedly arranged at the other end of the driving mechanism 1, and the driving mechanism 1 rotates around the first fixed pin 2.1.

In one embodiment of the present application, the driving mechanism further comprises a first hinge shaft 2.1, a second hinge shaft 2.3 and a third hinge shaft 3.1, wherein the driving mechanism 1 is hinged with one end of the swing arm 2 through the first hinge shaft 2.1; one end of the connecting part 3 is hinged with the swing arm 2 through the second hinge shaft 2.3, and the other end of the connecting part 3 is hinged with the lifting mechanism 4 through the third hinge shaft 3.1.

In one embodiment of the present application, the lifting mechanism 4 is in a special-shaped lever structure, and one end of the lifting mechanism 4 is provided with a circular arc concave surface.

It can be appreciated that the side of the lifting mechanism 4, which is close to the swing arm part, is designed to be an arc surface, so that interference with the swing arm 2 can be avoided during movement, and rotation is prevented.

In one embodiment of the present application, the portion of the lifting mechanism 4 away from the swing arm 2 is a straight-line double-link structure, where the straight-line double-link structure is composed of two links 4.4 and a second fixed pin 4.2, and the links 4.4 are parallel to each other.

In one embodiment of the present application, the shape of the hook 4.1 is polygonal, and the size of the hook 4.1 is adapted to the diameter size of the second fixing pin 4.2.

In one embodiment of the present application, the driving mechanism 1 is a hydraulic cylinder structure.

In the using process of the patent, the driving mechanism 1 is fixed by a first fixed pin shaft 1.1 and can rotate around the fixed pin shaft 1.1; the driving device 1 can extend out of an extension piston rod, the piston rod is connected with the swing arm 2 through a first hinge shaft 2.1, one end of the connecting part 3 is connected with the swing arm 2 through a second hinge shaft 2.3, and the other end of the connecting part is connected with the lifting mechanism 4 through a third hinge shaft 3.1; the lifting mechanism 4 is of a special-shaped lever structure, two hooks 4.1 are arranged at the tail end of the special-shaped lever structure, and a supporting point of the lifting mechanism rotates around a fixed pin shaft 4.2; when the piston rod of the driving mechanism 1 stretches out, the swing arm 2 is driven to swing clockwise, the swing arm 2 drives the connecting part 3 to move downwards, the connecting rod 3 pushes the lifting mechanism 4 to rotate clockwise around the second fixed pin shaft 4.2, the supporting seat 4.3 is driven to lift upwards, and finally hydraulic energy is converted into mechanical energy to lift the main trench cover.

While preferred embodiments of the present description have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the disclosure.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present specification without departing from the spirit or scope of the specification. Thus, if such modifications and variations of the present specification fall within the scope of the claims and the equivalents thereof, the present specification is also intended to include such modifications and variations.

Claims

1. The utility model provides a blast furnace main trench cover swing arm connecting rod elevating system, includes the end cover body, its characterized in that still includes the lifting mechanism who sets up on the end cover body, installs connecting portion on this lifting mechanism, connecting portion rotate through the third articulated shaft and connect in lifting mechanism's one end, and the other end of this connecting portion is connected with the swing arm through the rotation of second articulated shaft, the other end of swing arm rotates and is connected with actuating mechanism.

2. The blast furnace main shaft cover swing arm connecting rod lifting mechanism according to claim 1, further comprising a first fixed pin fixedly arranged at the other end of the driving mechanism, wherein the driving mechanism rotates around the first fixed pin.

3. The blast furnace main shaft cover swing arm connecting rod lifting mechanism according to claim 1, further comprising a first hinge shaft, a second hinge shaft and a third hinge shaft, wherein the driving mechanism is hinged with one end of the swing arm through the first hinge shaft; one end of the connecting part is hinged with the swing arm through the second hinge shaft, and the other end of the connecting part is hinged with the lifting mechanism through the third hinge shaft.

4. The blast furnace main shaft cover swing arm connecting rod lifting mechanism according to claim 1, wherein the lifting mechanism is of a special-shaped lever structure, and one end of the lifting mechanism is provided with a circular arc-shaped concave surface.

5. The blast furnace main shaft cover swing arm connecting rod lifting mechanism according to claim 1, wherein a portion, away from the swing arm, of the lifting mechanism is of a linear double-connecting-rod structure, the linear double-connecting-rod structure is composed of two connecting rods and a second fixed pin shaft, the connecting rods are parallel to each other, and two ends of the second fixed pin shaft are respectively connected with the connecting rods.

6. The blast furnace main shaft cover swing arm connecting rod lifting mechanism according to claim 5, further comprising a supporting seat, wherein the root of the supporting seat is arranged on the end cover body, and the head is connected with a clamping hook arranged at one end of the connecting rod.

7. The blast furnace main shaft cover swing arm link lifting mechanism as set forth in claim 6, wherein said hook is polygonal in shape, and the dimension of said hook is adapted to the diameter dimension of said second fixed pin.

8. The blast furnace main shaft cover swing arm link lifting mechanism as recited in claim 1, wherein the driving mechanism is a hydraulic cylinder structure.