CN215404322U - Blast furnace air pipe maintenance device - Google Patents
Blast furnace air pipe maintenance device Download PDFInfo
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- CN215404322U CN215404322U CN202121109249.8U CN202121109249U CN215404322U CN 215404322 U CN215404322 U CN 215404322U CN 202121109249 U CN202121109249 U CN 202121109249U CN 215404322 U CN215404322 U CN 215404322U
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- blast furnace
- vehicle body
- maintenance device
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Abstract
The utility model belongs to the technical field of blast furnace smelting, and particularly relates to a blast furnace air pipe maintenance device. The maintenance device includes: a first vehicle body; a second body disposed on the first body and operable to move on the first body along a length of the second body; the supporting component is provided with a plurality of supporting components which are sequentially arranged on the second vehicle body along the length direction of the second vehicle body, each supporting component is provided with a supporting end, and the supporting end of each supporting component can be extended and retracted upwards in an operable mode. The utility model can avoid the technical problem that the vehicle body cannot smoothly walk due to small surrounding construction space and disordered scene, does not need excessive manual intervention, has low working efficiency, can greatly improve the operation safety, and has good practical value.
Description
Technical Field
The utility model belongs to the technical field of blast furnace smelting, and particularly relates to a blast furnace air pipe maintenance device.
Background
In a blast furnace for iron making or iron making, hot air is fed into the furnace through an air supply device and an air port. The air supply equipment comprises an elbow pipe and a belly pipe which are assembled together and are collectively called a blast furnace air pipe.
When the blast furnace air pipe is subjected to slag pouring construction and is damaged or reaches the service life, the air pipe needs to be replaced and maintained regularly. Because the weight of the air pipe is large, the surrounding space of the blast furnace is small, the phenomenon construction environment is disordered, and large-scale hoisting equipment cannot be used for replacing the air pipe, the prior art is completed by manually pulling a chain block and matching an electric hoist, 5-8 persons are needed for cooperation during each disassembly operation, the problem of low working efficiency exists, and in addition, because the shape of the air pipe is irregular, when the blast furnace air pipe is replaced and maintained, the air pipe is easy to roll, and the problem of unsafe operation also exists.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a maintenance device for a blast furnace air pipe, which aims to solve the technical problems that the replacement and maintenance of the blast furnace air pipe in the prior art are finished manually, the working efficiency is low and the operation is unsafe.
The technical scheme of the utility model is as follows:
a blast furnace tuyere pipe maintenance device, characterized in that the maintenance device comprises: a first vehicle body; a second body disposed on the first body and operable to move on the first body along a length of the second body; the supporting component is provided with a plurality of supporting components which are sequentially arranged on the second vehicle body along the length direction of the second vehicle body, each supporting component is provided with a supporting end, and the supporting end of each supporting component can be extended and retracted upwards in an operable mode.
Further, the bottom of the first vehicle body is provided with a plurality of telescopic supporting columns and a plurality of rollers which can move and lock on site.
Furthermore, the first vehicle body is provided with two rows of sliding grooves along the length direction of the first vehicle body; two rows of guide rails are oppositely arranged at the bottom of the second vehicle body along the length direction of the second vehicle body, the guide rails and the sliding grooves are correspondingly arranged, and the guide rails are slidably arranged in the corresponding sliding grooves; the first vehicle body is provided with a driving unit, the driving unit is provided with a telescopic end which can be stretched back and forth along the length direction of the first vehicle body, and the telescopic end of the driving unit is connected with the second vehicle body.
Preferably, the drive unit is a hydraulic cylinder.
Further, the supporting component is provided with threely, is first supporting component, second supporting component and third supporting component respectively, first supporting component and third supporting component set up respectively the length direction's of second automobile body both ends, the second supporting component sets up the middle part of second automobile body.
Preferably, the support assembly is a hydraulic scissor fork.
Further, each support component is provided with a limiting plate, the limiting plate is in an arc shape smaller than or equal to 180 degrees, and an opening of the limiting plate faces upwards.
Preferably, the limiting plates are detachably mounted on the corresponding support assemblies.
Furthermore, a protection ring sleeve is arranged on the first supporting component.
Still further, the guarding ring sleeve comprises a first hoop body and a second hoop body, wherein the first end of the first hoop body and the first end of the second hoop body are both rotatably connected to the top of the support rod, the bottom of the support rod is fixedly connected to the first support component, and the second end of the first hoop body and the second end of the second hoop body are in operative locking connection.
The beneficial effects of the utility model at least comprise:
the blast furnace air pipe maintenance device comprises a first vehicle body and a second vehicle body, wherein the second vehicle body is arranged on the first vehicle body and can move on the first vehicle body along the length direction of the second vehicle body in an operable mode, when the blast furnace air pipe needs to be maintained and replaced, the maintenance device is moved to a proper position, and when the blast furnace air pipe is loaded on the maintenance device, the blast furnace air pipe can be moved to the required position by controlling the second vehicle body to move on the first vehicle body.
In addition, because a plurality of supporting components set gradually on the second automobile body along the length direction of second automobile body, every supporting component all has the support end, every supporting component's support end all operationally upwards stretches out and draws back, when dismouting blast furnace tuber pipe, each supporting component of accessible lifts blast furnace tuber pipe to suitable position to make things convenient for the dismouting of blast furnace tuber pipe, do not need too much artificial intervention, work efficiency is low high, the operation safety can improve greatly, has fine practical value.
Drawings
FIG. 1 is a schematic structural view of a blast furnace tuyere maintaining device according to this embodiment;
FIG. 2 is a schematic side view of FIG. 1;
FIG. 3 is a schematic structural view of a blast furnace tuyere pipe maintenance device shown in FIG. 1 in a first state;
fig. 4 is a schematic structural view of a blast furnace tuyere pipe maintenance device shown in fig. 1 in a second state.
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.
The embodiment provides a blast furnace air pipe maintenance device to solve the technical problems that in the prior art, the blast furnace air pipe is replaced and maintained manually, the existing working efficiency is low, and the operation is unsafe.
Fig. 1 is a schematic structural view of a blast furnace air duct maintenance device of the present embodiment, and fig. 2 is a schematic side view of fig. 1, and with reference to fig. 1 and fig. 2, the blast furnace air duct maintenance device of the present embodiment mainly includes a first vehicle body 1, a second vehicle body 2, and a plurality of support assemblies 3.
Fig. 3 is a schematic configuration view of a blast furnace air duct maintenance apparatus shown in fig. 1 in a first state, and fig. 4 is a schematic configuration view of a blast furnace air duct maintenance apparatus shown in fig. 1 in a second state, and in conjunction with fig. 1 to 4, a second vehicle body 2 of the present embodiment is provided on the first vehicle body 1, and the second vehicle body 2 is operable to move on the first vehicle body 1 in a direction along a length of the second vehicle body 2.
The blast furnace air pipe maintenance device provided by the embodiment, because the second vehicle body 2 can move on the first vehicle body 1 along the length direction of the second vehicle body 2 in an operable manner, when the blast furnace air pipe 5 needs to be maintained and replaced, the maintenance device is moved to a proper position, and the blast furnace air pipe 5 is loaded on the maintenance device, the second vehicle body 2 can be controlled to move on the first vehicle body 1 by controlling, so that the blast furnace air pipe 5 can be moved to a required position, because the top of the first vehicle body 2 is a plane, a relatively flat and tidy working interface is provided, the second vehicle body 2 can be moved smoothly, and therefore the technical problem that the vehicle body cannot walk smoothly due to small surrounding construction space and field disorder can be avoided.
Further, referring to fig. 1 to 4, in the present embodiment, the bottom of the first vehicle body 1 is provided with a plurality of retractable support pillars 7 and a plurality of rollers 4 that can be moved and locked on site. In specific implementation, when the maintenance device is not loaded with the blast furnace air pipe 5, the maintenance device can support the ground through the roller 4 so that the device can move; when the maintenance device is loaded with the blast furnace duct 5, the roller 4 can be locked, and the support post 7 can be extended into a drainage ditch on site, so that the first vehicle body 1 is fixed on site to serve the movement of the second vehicle body 2 on the first vehicle body 1.
In this embodiment, the supporting pillars 7 and the rollers 4 can be disposed at the bottom of the first vehicle body 2 in parallel.
Further, in this embodiment, the first vehicle body 1 is provided with two rows of sliding grooves along the length direction thereof, the bottom of the second vehicle body 2 is provided with two rows of guide rails along the length direction thereof, the guide rails and the sliding grooves are correspondingly arranged, the guide rails are slidably arranged in the corresponding sliding grooves, in addition, the first vehicle body 1 is further provided with a driving unit, the driving unit is provided with a telescopic end which can be reciprocally telescopic along the length direction of the first vehicle body 1, and the telescopic end of the driving unit is connected with the second vehicle body. When the second vehicle body 2 needs to be controlled to move on the first vehicle body 1, the telescopic end of the driving unit can be controlled to move, so that the second vehicle body 2 moves along the direction of the chute. The sliding grooves and the guide rails are arranged to guide the movement of the second car body 2, prevent the second car body 2 from turning on one side when moving and improve the safety of the blast furnace air pipe 5 during maintenance and replacement.
The driving unit of the embodiment is preferably a hydraulic oil cylinder, and has the characteristics of strong driving force, stability and reliability.
Referring to fig. 1, 3 and 4, the support assembly 3 of the present embodiment may be provided in a plurality, the plurality of support assemblies 3 are sequentially arranged on the second vehicle body 2 along the length direction of the second vehicle body 2, each support assembly 3 has a support end, and the support end of each support assembly 3 is operable to extend and retract upward. The blast furnace air pipe 5 can be lifted to a proper height by controlling the extension and retraction of the supporting end of the supporting component 3.
In this embodiment, because a plurality of supporting components 3 set gradually on second automobile body 2 along the length direction of second automobile body 2, every supporting component 3 all has the support end, every supporting component 3's support end all operationally upwards stretches out and draws back, when dismouting blast furnace tuber pipe 5, each supporting component 3 of accessible lifts blast furnace tuber pipe 5 to suitable position, in order to make things convenient for the dismouting of blast furnace tuber pipe, do not need too much manual intervention, work efficiency is low high, operation safety can improve greatly, and has a good practical value.
Further, with reference to fig. 1, 3 and 4, the number of the supporting assemblies 3 of the present embodiment is three, which are respectively a first supporting assembly, a second supporting assembly and a third supporting assembly, the first supporting assembly and the third supporting assembly are respectively disposed at two ends of the second car body in the length direction, the second supporting assembly is disposed in the middle of the second car body, that is, the three supporting assemblies 3 can comprehensively support the front, the middle and the rear of the blast furnace duct 5, so as to improve the safety of the blast furnace duct 5 when moving along with the second car body 2.
Of course, in other embodiments, there may be two or more support assemblies 3, which may be adaptively arranged according to the length of the blast furnace flue pipe 5, and the embodiment is not limited thereto.
Preferably, the supporting component 3 of this embodiment is a hydraulic scissors fork, and the hydraulic scissors fork is a stable and reliable lifting mechanism which is commonly used in the prior art, and this embodiment is not described herein again.
In addition, because the shape of the blast furnace air pipe 5 is irregular, in actual operation, the supporting end of each supporting component 3 can be stretched to a proper height according to the shape of the blast furnace air pipe 5 so as to adapt to the shape of the blast furnace air pipe 5.
Referring to fig. 2, in the present embodiment, each supporting component 3 may be provided with a limiting plate 6, the limiting plate is in an arc shape less than or equal to 180 °, and an opening of the limiting plate 3 faces upward. When blast furnace tuber pipe 5 supports through each supporting component 3, can fall into blast furnace tuber pipe 5 and correspond limiting plate 6 on the supporting component 3, limiting plate 6 can carry out spacingly to blast furnace tuber pipe 5 to prevent that maintenance device from when the operation, blast furnace tuber pipe 5 takes place dangers such as turning on one's side, improves the security.
Preferably, the limiting plate 6 of this embodiment is detachably mounted on the corresponding supporting component 3, and when different blast furnace air pipes 5 are maintained and replaced, the limiting plate 6 conforming to the appearance of the blast furnace air pipe 5 can be replaced for use.
The limiting plate 6 of the present embodiment may be detachably mounted on the corresponding supporting component 3 by bolts or the like, which is not limited in the present embodiment.
With reference to fig. 1 to 4, in this embodiment, the first supporting component is provided with a protective sleeve 8, and the protective sleeve 7 may be sleeved on the rear portion of the blast furnace air pipe 5, so as to prevent the blast furnace air pipe 5 from danger such as side turning during operation of the maintenance device, and improve safety.
Further, the guarding ring 8 of the present embodiment includes a first hoop body and a second hoop body each having a first end and a second end, the first end of the first hoop body and the first end of the second hoop body are both rotatably connected to the top of the support rod 9, the bottom of the support rod 9 is fixedly linked to the first support assembly, and the second end of the first hoop body and the second end of the second hoop body are operatively connected in a locking manner. When the blast furnace air pipe 5 needs to be loaded on the maintenance device, the second ends of the first hoop body and the second hoop body of the protection ring sleeve 8 can be opened, and after the blast furnace air pipe 5 is loaded on the maintenance device, the second ends of the first hoop body and the second hoop body of the protection ring sleeve 8 are locked, namely the blast furnace air pipe 5 is sleeved in the protection ring sleeve 8.
The blast furnace air duct maintenance device shown in the embodiment is provided with a set of hydraulic control system, can be uniformly controlled by a wire control handle, and is provided with an emergency stop button so as to improve the safety during operation.
The first state shown in fig. 3 is a state of receiving a blast furnace blast pipe, the second state shown in fig. 4 is a state of transporting the blast furnace blast pipe, and with reference to fig. 3 and 4, the specific steps of first dismantling the blast furnace blast pipe include: moving the maintenance device shown in the embodiment to the position below the blast furnace air pipe to be dismantled, controlling the supporting ends of the supporting components 3 to be lifted to corresponding heights respectively, sleeving the protective ring sleeve 8 on the blast furnace air pipe 5, and dismantling the blast furnace air pipe 5 to form the state shown in fig. 3; subsequently, the supporting ends of the supporting components 3 are controlled to move downwards, so that the blast furnace air pipe 5 is separated from the original air pipe, the second vehicle body 2 is controlled to move on the first vehicle body 1, the removed blast furnace air pipe 5 is moved to a required position through the second vehicle body 2, the protection ring sleeve 8 is removed from the blast furnace air pipe 5, and then the removed blast furnace air pipe is hung away by using the original hanger.
In this embodiment, the specific steps of installing the blast furnace air duct include: the maintenance device shown in the embodiment is moved to a proper position, the blast furnace air pipe to be installed is placed on the supporting end of each supporting component 3 by using a lifting appliance, the protection ring sleeve 8 is sleeved on the blast furnace air pipe 5 to form a state shown in fig. 4, then the second vehicle body 2 is controlled to move on the first vehicle body 1, the blast furnace air pipe 5 to be installed is moved to a position to be installed through the second vehicle body 2, the supporting end of each supporting component 3 is controlled to be lifted to a corresponding height respectively, the blast furnace air pipe 5 to be installed is installed in place to form a state shown in fig. 3, then the protection ring sleeve 8 is detached from the blast furnace air pipe 5, the supporting end of each supporting component 3 falls, and the maintenance device is taken out through a crane and other mechanisms.
It should be noted that, when the construction environment allows, the first vehicle body 1 may also be controlled to operate in the construction environment to serve the installation of the blast furnace duct 5.
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. A blast furnace tuyere pipe maintenance device, characterized in that the maintenance device comprises:
a first vehicle body;
a second body disposed on the first body and operable to move on the first body along a length of the second body;
the supporting component is provided with a plurality of supporting components which are sequentially arranged on the second vehicle body along the length direction of the second vehicle body, each supporting component is provided with a supporting end, and the supporting end of each supporting component can be extended and retracted upwards in an operable mode.
2. The blast furnace air duct maintenance device according to claim 1, wherein a plurality of retractable support columns and a plurality of rollers that can be moved and locked in the field are provided on the bottom of the first vehicle body.
3. The blast furnace air duct maintenance device according to claim 1, wherein the first vehicle body is provided with two rows of chutes oppositely along a length direction thereof;
two rows of guide rails are oppositely arranged at the bottom of the second vehicle body along the length direction of the second vehicle body, the guide rails and the sliding grooves are correspondingly arranged, and the guide rails are slidably arranged in the corresponding sliding grooves;
the first vehicle body is provided with a driving unit, the driving unit is provided with a telescopic end which can be stretched back and forth along the length direction of the first vehicle body, and the telescopic end of the driving unit is connected with the second vehicle body.
4. The blast furnace tuyere pipe maintenance device of claim 3, wherein the driving unit is a hydraulic cylinder.
5. The blast furnace air duct maintenance device according to claim 1, wherein the number of the support members is three, and the support members are a first support member, a second support member, and a third support member, the first support member and the third support member are respectively provided at both ends of the second vehicle body in the length direction, and the second support member is provided at the middle of the second vehicle body.
6. The blast furnace tuyere pipe maintenance device of claim 5, wherein the support assembly is a hydraulic scissor fork.
7. The blast furnace tuyere pipe maintenance device of claim 5, wherein each of the support assemblies is provided with a limit plate, the limit plate is in an arc shape of less than or equal to 180 degrees, and an opening of the limit plate faces upward.
8. The blast furnace tuyere pipe maintenance device of claim 7, wherein the stopper plate is detachably mounted on the corresponding support assembly.
9. The blast furnace tuyere pipe maintenance device of claim 5, wherein a guarding ring is provided on the first support assembly.
10. The blast furnace tuyere pipe maintenance device of claim 9, wherein the guarding ring comprises a first hoop body and a second hoop body each having a first end and a second end, the first end of the first hoop body and the first end of the second hoop body are rotatably connected to a top portion of a support bar, a bottom portion of the support bar is fixedly linked to the first support assembly, and the second end of the first hoop body and the second end of the second hoop body are operatively locked to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121109249.8U CN215404322U (en) | 2021-05-21 | 2021-05-21 | Blast furnace air pipe maintenance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121109249.8U CN215404322U (en) | 2021-05-21 | 2021-05-21 | Blast furnace air pipe maintenance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215404322U true CN215404322U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121109249.8U Active CN215404322U (en) | 2021-05-21 | 2021-05-21 | Blast furnace air pipe maintenance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215404322U (en) |
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2021
- 2021-05-21 CN CN202121109249.8U patent/CN215404322U/en active Active
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