CN211814547U - Molten iron pretreatment stirring paddle cleaning device and stirring paddle replacement vehicle - Google Patents
Molten iron pretreatment stirring paddle cleaning device and stirring paddle replacement vehicle Download PDFInfo
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- CN211814547U CN211814547U CN202020180711.2U CN202020180711U CN211814547U CN 211814547 U CN211814547 U CN 211814547U CN 202020180711 U CN202020180711 U CN 202020180711U CN 211814547 U CN211814547 U CN 211814547U
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- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The utility model discloses a car is changed to preliminary treatment stirring rake cleaning device and stirring rake of molten iron, preliminary treatment stirring rake cleaning device of molten iron include base, swing power device, swing arm, telescoping device and clearance hammer, and the clearance hammer is driven by the telescoping device, can contact with the slag iron adhesion thing on the stirring rake. The telescoping device is connected with the swing arm, turn into the swing of telescoping device and clearance hammer by the swing arm with the power of swing power device output, the clearance hammer is with the help of the slag iron adhesion thing on the swing hammering stirring rake, beat the slag iron adhesion thing, not only can clear up stubborn stirring rake surface slag iron adhesion thing, can clear up the slag iron adhesion thing between the stirring rake blade simultaneously, reduce molten iron desulfurization running cost, improve the stirring rake refractory material life-span, reduce the threat to personnel health and safety, the operation effect is showing. The stirring paddle replacement vehicle is combined with the stirring paddle cleaning device, so that the stirring paddle slag iron cleaning operation is completed on the one hand, and the stirring paddle replacement and transportation operation is completed on the other hand.
Description
Technical Field
The application belongs to the technical field of steelmaking devices, and particularly relates to a molten iron pretreatment stirring paddle cleaning device and a stirring paddle replacing vehicle.
Background
In the current metallurgical steel manufacturing industry, the product quality requirement is higher and higher, the molten iron pretreatment device is generally adopted by various steel enterprises, and particularly, the case of the molten iron desulphurization pretreatment by the mechanical stirring method in the steel plant is increased year by year due to the advantages of low production cost, good deep desulphurization effect, small converter resulfurization amount and the like. After the molten iron desulfurization pretreatment is carried out by adopting a mechanical stirring method, the stirring paddle rotates in the molten iron and lifts the molten iron liquid level, and molten iron slag attached to the surface of the molten iron or the desulfurizing agent is added into the molten iron, so that the molten iron slag mixture continuously adheres to the gap between the upper surface of the stirring paddle and the blades of the stirring paddle, and the molten iron slag mixture continuously accumulates along with the increase of the use times of the stirring paddle, so that the shape of the stirring paddle finally becomes irregular, and a large amount of molten iron slag mixture is accumulated between the stirring blades to form a large gyroscope body seriously, and the stirring function is lost.
The slag remover is generally arranged in the prior production, but the slag remover only has a slight effect on the slag-iron mixture with loose upper surface of the stirring paddle at the early stage and has no effect on the heavy and hard iron slag adherends and the adherends among the blades.
In order to solve the influence of iron slag adhesion, part of manufacturers adopt a cleaning mode of manual on-line simple treatment, the labor capacity of operators is increased, the temperature and the heat radiation of a working environment are serious, the manual cleaning degree is greatly influenced by artificial factors, the on-line treatment can only adopt off-line treatment or scrap to re-tie refractory materials, the operation cost is greatly increased, and meanwhile, the health and the safety of the operators are threatened.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a hot metal preliminary treatment stirring rake cleaning device and stirring rake change car can clear up stubborn stirring rake surface slag iron adhesion thing, also can clear up the slag iron adhesion thing between the stirring rake blade.
Realize the utility model discloses technical scheme that the purpose adopted does, a hot metal pretreatment stirring rake cleaning device, including base, swing power device, swing arm, telescoping device and cleaning hammer, wherein:
the swing power device is fixed on the base, the swing power device is a linear motion mechanism, and a movable part of the linear motion mechanism is connected with the swing arm;
the swing arm is rotatably arranged on a pivot arranged on the base to form a lever mechanism, a power arm of the swing arm is connected with the swing power device, and a resistance arm of the swing arm is connected with the telescopic device;
the cleaning hammer is mounted on the movable part of the telescopic device.
Preferably, the telescopic device further comprises a telescopic rail, wherein one end of the telescopic rail is connected with the fixed part of the telescopic device, and the other end of the telescopic rail is connected with the movable part of the telescopic device.
Preferably, the telescopic rail is provided with a limiting device.
Preferably, the cleaning hammer is rotatably connected with the movable part of the telescopic device through a pin shaft.
Preferably, the cleaning hammer is provided with an elastic member, one end of the elastic member is connected with the cleaning hammer, and the other end of the elastic member is connected with the movable part of the telescopic device.
Preferably, the working end of the cleaning hammer is provided with a cleaning drill.
Preferably, the swing arm is L-shaped as a whole, the fulcrum is located at the bending position of the L-shaped structure, and the two sections of the L-shaped structure respectively form a power arm and a resistance arm.
Preferably, the swing power device and the telescopic device are hydraulic cylinders.
Preferably, the hydraulic system further comprises a controller and a hydraulic station for controlling the hydraulic cylinder to act, and the controller is electrically connected with an electric hydraulic component of the hydraulic station.
Based on the same inventive concept, the utility model also provides a stirring rake change car, include the frame and install the wheel on the frame, still include stirring rake cleaning device, stirring rake cleaning device includes swing power device, swing arm, telescoping device and cleaning hammer, wherein:
the swing power device is fixed on the frame, the swing power device is a linear motion mechanism, and a movable part of the linear motion mechanism is connected with the swing arm;
the swing arm is rotatably arranged on a pivot arranged on the frame to form a lever mechanism, a power arm of the swing arm is connected with the linear motion mechanism, and a resistance arm of the swing arm is connected with the telescopic device;
the cleaning hammer is mounted on the movable part of the telescopic device.
According to the above technical scheme, the utility model provides a hot metal preliminary treatment stirring rake cleaning device includes base, swing power device, swing arm, telescoping device and clearance hammer, and the clearance hammer is driven by the telescoping device, can rectilinear movement, and the contact of slag iron adhesion thing on the stirring rake. The telescopic device is connected with the swing arm, the swing arm converts power output by the swing power device into the swing of the telescopic device and the cleaning hammer, and the cleaning hammer hammers off slag iron adherends on the stirring paddle by means of swinging. This hot metal preliminary treatment stirring rake cleaning device not only can clear up stubborn stirring rake surface slag iron adhesion thing, can clear up the slag iron adhesion thing between the stirring rake blade simultaneously, reduces molten iron desulfurization running cost, improves the stirring rake refractory material life-span, reduces the threat to personnel's health and safety, and the operation effect is showing.
The utility model provides a stirring rake change car increases stirring rake cleaning device on the basis of current automobile body, accomplishes stirring rake sediment iron cleaning operation on the one hand, accomplishes the stirring rake on the one hand and changes the transportation operation. When the stirring paddle cleaning device works, the stirring paddle cleaning device runs to a treatment position, namely the telescopic device extends out and the swing arm swings; stay at the preparation position at ordinary times, the telescoping device retracts, and the cleaning device stops on the vehicle body, does not occupy the stirring paddle replacement area, and has small influence on the arrangement of main equipment.
Drawings
Fig. 1 is a schematic structural view of a stirring paddle cleaning device for molten iron pretreatment in embodiment 1 of the present invention;
fig. 2 is a partially enlarged view of fig. 1 at a.
Fig. 3 is a schematic structural view of a replacement vehicle for a stirring paddle in embodiment 2 of the present invention;
description of reference numerals: 1-a swing power device; 2-swinging arm; 3-telescoping device, 31-movable part, 32-pin; 4-cleaning hammer, 41-elastic component; 5-a telescopic rail; 6-a limiting device; 7-clearing the brazing rod; 8-a controller; 9-a hydraulic station; 10-fulcrum; 11-a base; 12-a stirring paddle; 13-a frame; 14-a wheel; 15-stirring paddle fixing device.
Detailed Description
In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings by way of specific embodiments.
Example 1:
in the embodiment of the utility model provides an in, a hot metal preliminary treatment stirring rake cleaning device for the iron slag adhesion thing on the clearance stirring rake, see figure 1, this cleaning device includes base 11, swing power device 1, swing arm 2, telescoping device 3 and clearance hammer 4, describes in detail below to the structure of each subassembly:
the swing power device 1 is fixed on the base 11, and the base 11 can be a support frame or a wall, so that the swing power device 1 can be stably fixed. The swing power device 1 is a linear motion mechanism, and a movable part of the linear motion mechanism is connected with a swing arm 2 and used for driving the swing arm 1 to swing.
The swing arm 2 is rotatably mounted on a pivot 10 arranged on the base 11 to form a lever mechanism, a power arm of the swing arm 2 is connected with the swing power device 1, and a resistance arm is connected with the telescopic device 3 and used for driving the telescopic device 3 to swing, and the swing provides hammering force for the cleaning hammer.
Specifically, in this embodiment, the swing arm 2 is L-shaped as a whole, and the pivot 10 is located at the bending position of the L-shaped structure, so that the two sections of the L-shaped structure respectively form a power arm and a resistance arm of the lever mechanism. The oscillating power unit 1 is preferably a hydraulic cylinder, by means of which the L-shaped construction the cylinder piston can be extended slightly, while the telescopic means 3 and the clearing hammer 4 are oscillating to a large extent.
In a preferred embodiment, a limiting device can be arranged on the base 11 to limit the swing range of the swing arm 2, so as to form safety protection and prevent the cleaning hammer 4 from swinging beyond the range.
Referring to fig. 2, in the embodiment, the cleaning hammer 4 is rotatably connected with the movable part 31 of the telescopic device 3 through a pin shaft 32, the cleaning hammer 4 can be a general air hammer or a hydraulic hammer, and the type can be selected according to the nominal capacity of the ladle and the size of a stirring paddle. The cleaning hammer 4 is provided with an elastic member 41, and one end of the elastic member 41 is connected to the cleaning hammer 4 and the other end is connected to the movable portion 31 of the telescopic device 3.
Specifically, telescoping device 3 adopts the pneumatic cylinder in this embodiment, and the tip of pneumatic cylinder piston is provided with the pinhole, and round pin axle 32 movable mounting is in the pinhole to link firmly with cleaning hammer 4, make cleaning hammer 4 can rotate for the piston. The elastic member 41 may be a spring or a disc spring or other elastic member, and plays a role in buffering vibration while achieving fixation, thereby alleviating impact on the hydraulic cylinder.
In order to improve the cleaning effect, a cleaning rod 7 is arranged at the operation end of the cleaning hammer 4, and the cleaning rod 7 is welded at the operation end of the cleaning hammer 4, namely the contact part of the cleaning hammer and the slag iron adhesive. The cleaning rod 7 is provided with a sharp tip, and in the process of hammering the slag iron adhesive substance by the cleaning hammer 4, the cleaning rod 7 is firstly contacted with the slag iron adhesive substance, and the tip of the cleaning rod makes the slag iron adhesive substance crack to a certain extent, so that the hammering effect of the cleaning hammer is improved.
Since the cleaning hammer 4 needs a large hammering force during operation, and the telescopic device 3 is in a telescopic state during operation of the cleaning hammer 4, a movable part of the telescopic device 3 can bear a large impact moment, so that the movable part is deformed. In order to improve the structural strength of the movable part and improve the stability of extension and retraction, the cleaning device further comprises an extension and retraction track 5, wherein one end of the extension and retraction track 5 is connected with the fixed part of the extension and retraction device 3, and the other end of the extension and retraction track is connected with the movable part of the extension and retraction device 3.
In a preferred embodiment, the telescopic rail 5 is provided with a limiting device 6 for limiting the telescopic movement of the cleaning hammer. For example, the telescopic rail 5 is a support formed by 4 telescopic rods, a fixing block is arranged on the support and used for fixing a fixing part of the telescopic device 3, and a pin is arranged on the telescopic rod, so that the telescopic rod can only move a set distance, and the limiting is realized. Of course, the limiting device 6 may also adopt electronic devices such as a travel switch, and the specific implementation manner is not described herein again.
In this embodiment, the swing power unit 1 and the telescopic unit 3 are preferably hydraulic cylinders, and therefore a hydraulic station 9 for controlling the operation of the hydraulic cylinders is also provided in the cleaning apparatus.
In order to realize the automatic and efficient cleaning of the slag iron adhesion, the molten iron pretreatment stirring paddle cleaning device of the embodiment is also provided with a controller 8, the controller 8 and the hydraulic station 9 can be installed on the base 11 or directly arranged on the ground, and the controller 8 is electrically connected with electric hydraulic elements (a hydraulic pump, an electromagnetic valve, a detection instrument and the like) of the hydraulic station 9.
Example 2:
based on the same inventive concept, the embodiment provides a stirring paddle replacing vehicle, wherein a stirring paddle cleaning device is combined with a stirring paddle replacing trolley, so that the stirring paddle slag iron cleaning operation is completed on one hand, and the stirring paddle replacing and transporting operation is completed on the other hand.
Referring to fig. 3, the paddle replacement vehicle comprises a frame 13, wheels 14 mounted on the frame 13, and a paddle cleaning device mounted on the frame 13, i.e. the frame 13 acts as a base for the paddle cleaning device. This stirring rake cleaning device specifically is located one side of frame 13, avoids occupying the place space of stirring rake 15. The structure of the paddle cleaning device is the same as that of embodiment 1, and the specific structure is not described herein.
In actual use, referring to fig. 1 and 3, the stirring paddle 12 to be cleaned is placed on the frame 13 of the stirring paddle replacing vehicle, and the stirring paddle 12 is fixed by the stirring paddle fixing device 15 on the frame. The telescopic device 3 extends out, so that the cleaning hammer 4 can contact slag iron adhesive on the surface of the stirring paddle 12 to maintain a telescopic state, the swing power device 1 is started, the swing power device 1 drives the swing arm 2 to swing, the swing arm 2 drives the cleaning hammer 4 to continuously swing between the position A and the position B in the graph 1, and the slag iron adhesive is hammered. After the outer layer of slag iron adhesive falls, the cleaning hammer 4 is continuously pushed forwards through the telescopic device 3, so that the cleaning hammer 4 can clean the inner layer of slag iron adhesive and the slag iron adhesive among the blades of the stirring paddle.
Through the embodiment, the utility model has the following beneficial effect or advantage:
1) the utility model provides a hot metal preliminary treatment stirring rake cleaning device includes base, swing power device, swing arm, telescoping device and cleaning hammer, and the cleaning hammer is driven by the telescoping device, can linear movement, contacts with the slag iron adhesion thing on the stirring rake. The telescopic device is connected with the swing arm, the swing arm converts power output by the swing power device into the swing of the telescopic device and the cleaning hammer, and the cleaning hammer hammers off slag iron adherends on the stirring paddle by means of swinging. This hot metal preliminary treatment stirring rake cleaning device not only can clear up stubborn stirring rake surface slag iron adhesion thing, can clear up the slag iron adhesion thing between the stirring rake blade simultaneously, reduces molten iron desulfurization running cost, improves the stirring rake refractory material life-span, reduces the threat to personnel's health and safety, and the operation effect is showing.
2) The utility model provides a stirring rake change car combines together stirring rake change car and stirring rake cleaning device, accomplishes stirring rake sediment iron cleaning operation on the one hand, accomplishes the stirring rake on the one hand and changes the transportation operation. When the stirring paddle cleaning device works, the stirring paddle cleaning device runs to a treatment position, namely the telescopic device extends out and the swing arm swings; stay at the preparation position at ordinary times, the telescoping device retracts, and the cleaning device stops on the vehicle body, does not occupy the stirring paddle replacement area, and has small influence on the arrangement of main equipment.
3) The utility model provides a stirring rake replacement car, stirring rake cleaning device install in the automobile body lateral part, remain cleaning device's whole functions to do not influence the stirring rake and change the original function of changing the stirring rake of car.
While the preferred embodiments of the present application 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. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. The utility model provides a hot metal pretreatment stirring rake cleaning device which characterized in that: including base, swing power device, swing arm, telescoping device and cleaning hammer, wherein:
the swing power device is fixed on the base, the swing power device is a linear motion mechanism, and a movable part of the linear motion mechanism is connected with the swing arm;
the swing arm is rotatably arranged on a pivot arranged on the base to form a lever mechanism, a power arm of the swing arm is connected with the swing power device, and a resistance arm of the swing arm is connected with the telescopic device;
the cleaning hammer is mounted on the movable part of the telescopic device.
2. The molten iron pretreatment stirring paddle cleaning device according to claim 1, characterized in that: the telescopic rail is characterized by further comprising a telescopic rail, wherein one end of the telescopic rail is connected with the fixed part of the telescopic device, and the other end of the telescopic rail is connected with the movable part of the telescopic device.
3. The molten iron pretreatment stirring paddle cleaning device according to claim 2, characterized in that: and the telescopic rail is provided with a limiting device.
4. The molten iron pretreatment stirring paddle cleaning device according to claim 1, characterized in that: the cleaning hammer is rotatably connected with the movable part of the telescopic device through a pin shaft.
5. The molten iron pretreatment stirring paddle cleaning device according to claim 4, wherein: an elastic component is arranged on the cleaning hammer, one end of the elastic component is connected with the cleaning hammer, and the other end of the elastic component is connected with the movable part of the telescopic device.
6. The molten iron pretreatment paddle cleaning device according to claim 1, 4 or 5, wherein: and a cleaning drill rod is arranged at the operation end of the cleaning hammer.
7. The molten iron pretreatment stirring paddle cleaning device according to claim 1, characterized in that: the swing arm is integrally L-shaped, the fulcrum is located at the bending position of the L-shaped structure, and the two sections of the L-shaped structure respectively form a power arm and a resistance arm.
8. The molten iron pretreatment stirring paddle cleaning device according to claim 1, characterized in that: the swing power device and the telescopic device are hydraulic cylinders.
9. The molten iron pretreatment stirring paddle cleaning device according to claim 8, wherein: the hydraulic system also comprises a controller and a hydraulic station for controlling the hydraulic cylinder to act, wherein the controller is electrically connected with an electric hydraulic element of the hydraulic station.
10. The utility model provides a stirring rake replacement car, includes the frame and installs the wheel on the frame, its characterized in that: still include stirring rake cleaning device, stirring rake cleaning device includes swing power device, swing arm, telescoping device and cleaning hammer, wherein:
the swing power device is fixed on the frame, the swing power device is a linear motion mechanism, and a movable part of the linear motion mechanism is connected with the swing arm;
the swing arm is rotatably arranged on a pivot arranged on the frame to form a lever mechanism, a power arm of the swing arm is connected with the linear motion mechanism, and a resistance arm of the swing arm is connected with the telescopic device;
the cleaning hammer is mounted on the movable part of the telescopic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020180711.2U CN211814547U (en) | 2020-02-18 | 2020-02-18 | Molten iron pretreatment stirring paddle cleaning device and stirring paddle replacement vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020180711.2U CN211814547U (en) | 2020-02-18 | 2020-02-18 | Molten iron pretreatment stirring paddle cleaning device and stirring paddle replacement vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211814547U true CN211814547U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020180711.2U Active CN211814547U (en) | 2020-02-18 | 2020-02-18 | Molten iron pretreatment stirring paddle cleaning device and stirring paddle replacement vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN211814547U (en) |
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- 2020-02-18 CN CN202020180711.2U patent/CN211814547U/en active Active
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