CN208791020U - Lifting device is used in a kind of lifting of last furnace shell - Google Patents
Lifting device is used in a kind of lifting of last furnace shell Download PDFInfo
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- CN208791020U CN208791020U CN201821518132.3U CN201821518132U CN208791020U CN 208791020 U CN208791020 U CN 208791020U CN 201821518132 U CN201821518132 U CN 201821518132U CN 208791020 U CN208791020 U CN 208791020U
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- furnace shell
- supporting beam
- supporting
- lifting
- furnace
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Abstract
The utility model discloses a kind of last furnace shell lifting lifting devices, belong to blast furnace overhaul field, the lifting device includes two the first parallel supporting beams, two the second supporting beams being parallel to each other vertically are connected between two first supporting beams, a cable type hydraulic hoisting machine is respectively set in each first supporting beam and each second supporting beam, the spacing of two first supporting beams and the spacing of two second supporting beams are all larger than the outer diameter of the last furnace shell.Lifting device structure described in the utility model is simple, slightly adjusts the blast furnace that can be used to different stage, and the method for being set using does not need to carry out the reinforcing of furnace top frame platform, and the influence to throat platform is smaller, safe and efficient, practical.
Description
Technical field
The utility model belongs to blast furnace field, in particular to lifting device is used in a kind of last furnace shell lifting.
Background technique
Last furnace shell is needed replacing when blast furnace overhaul, different from newly-built blast furnace, since furnace body frame is changed without, furnace shell cannot
It is directly lifted with loop wheel machine in place.The method that a kind of patent " blast furnace overhaul method " ZL201510691477.3 is used is by furnace
Shell is drawn from shaft position to frame by balladeur train, is installed using the hoist engine that is arranged on throat platform, wherein balladeur train with
Under furnace shell from bottom to top sequentially install, furnace shell more than balladeur train is from top to bottom first hung on furnace body frame platform, then by
Lower and upper sequence installation, the method shortcoming are that it is only suitable for the blast furnace that furnace shell individual pen weight is no more than hoist engine elevating capacity
Construction；And for furnace shell individual pen weight be largely more than the blast furnace of hoist engine elevating capacity, patent " for blast furnace modularization and
Integrated disassembly and installation method " (application number 201010107712.5) provides a kind of scheme of quick overhaul of blast furnace, side
Method is that entire last furnace shell is divided into three to four bands, is drawn from furnace bottom position to frame by balladeur train, using in throat platform
The hydraulic hoisting machine upside-down mounting of upper setting divides for the purpose for realizing quick overhaul and has pre-installed cooling wall on the furnace shell of band, due to upside-down mounting
Whole furnace shells and cooling wall, upside-down mounting weight reaches thousands of tons of, so the supporting beam of hydraulic hoisting machine is more complicated, furnace body frame is needed
It reinforces.
Utility model content
For the deficiency in background technique, the utility model provides a kind of last furnace shell lifting lifting device, by this
Lifting device, the problem of last furnace shell upside-down mounting can be efficiently accomplished, and furnace body frame is influenced smaller.
The technical solution that the utility model solves technical problem is as follows:
A kind of last furnace shell lifting lifting device of the utility model, it includes two the first parallel supporting beams, should
Vertically it is connected with two the second supporting beams being parallel to each other between two first supporting beams, each first supporting beam and second each
A cable type hydraulic hoisting machine is respectively set on support beam, between the spacing of two first supporting beams and two second supporting beams
Away from the outer diameter for being all larger than the last furnace shell.
As the further improvement of technical solution, the rectangle frame of two first supporting beams and the formation of two second supporting beams
Four corners are respectively arranged with a third supporting beam, and a cable type hydraulic pressure lift is provided in every third supporting beam
Machine, outer diameter of the every two and spacing parallel with respect to third supporting beams greater than the last furnace shell.
As the further improvement of technical solution, the both ends bottom of every first supporting beam is respectively arranged with backing plate.
As the further improvement of technical solution, two first supporting beams and two second supporting beam shapes
At rectangle frame be square.
As the further improvement of technical solution, the cable type hydraulic hoisting machine is separately positioned on two described first
Support the medium position on the every side of rectangle frame of beam and the formation of two second supporting beams.
As the further improvement of technical solution, the cable type hydraulic hoisting machine is separately positioned on two described first
Support the medium position on the every side of rectangle frame of beam and the formation of two second supporting beams and the medium position of every third supporting beam.
As the further improvement of technical solution, every first supporting beam and the second supporting beam are by box beam structure
At the box beam upper and lower plates offer through-hole at opposite position, and the through hole is mounted with elevator base plate, respectively
The cable type hydraulic hoisting machine is fixed in first supporting beam and the second supporting beam by elevator base plate.
As the further improvement of technical solution, every first supporting beam, the second supporting beam and third supporting beam are equal
It is made of box beam, which offers through-hole at opposite position, and the through hole is mounted with promotion machine base
Plate, each cable type hydraulic hoisting machine pass through elevator base plate respectively and are fixed on first supporting beam, second
It supports in beam and third supporting beam.
Another technical solution of the utility model solution technical problem are as follows:
The utility model one kind by adopting the above technical scheme described in last furnace shell lifting lifting device be set using
Method, the installation of last furnace shell when applied to blast furnace overhaul, the last furnace shell are divided into upper and lower part, and outside is provided with furnace
Body frame, the furnace body frame include furnace top frame girder, when the last furnace shell is installed, upper and lower two be respectively separated into it is several
It is installed with furnace shell and entering in frame from the medium position of furnace body frame, the lower part of last furnace shell is respectively pacified with bottom-up sequence
Dress, each band in top upside-down mounting from up to down, characterized in that include the following steps:
1) total weight that upside-down mounting furnace shell is needed according to the top of last furnace shell selects suitable cable type hydraulic hoisting machine
Specification and quantity, and after the lower amount of deflection of the intensity and the first supporting beam to each supporting beam that need to be arranged calculates, process peace
First supporting beam and the second supporting beam needed for dress；
2), installation settings one first support on every two perpendicular top furnace top frame girders at the top of the furnace body frame
Beam, two first supporting beams set be parallel to each other and spacing be greater than last furnace shell outer diameter, the two of every first supporting beam
One piece of backing plate of installation settings between bottom and furnace top frame girder is held, then right angle setting is set between two first supporting beams
Two the second parallel supporting beams are set, the spacing of mounted two second supporting beams is greater than the outer diameter of last furnace shell, then exists
The cable type hydraulic hoisting machine selected in installation 1) at the medium position of each first supporting beam and the second supporting beam, i.e., described in completion
The installation of lifting device；
3) it, is built at furnace body frame medium position and each temporary platform with furnace shell is installed for handling, first by State of Blast Furnace
The lower part of shell respectively enters bottom-up sequence in frame from handling from furnace body frame medium position with furnace shell and is installed；
4), corresponding with each cable type hydraulic hoisting machine distribution on that band furnace shell of the top layer on the top of last furnace shell
Position welding setting with the same number of lifting lug of cable type hydraulic hoisting machine；
5), that band furnace shell of the top layer that lifting lug is welded is entered from furnace body frame medium position by temporary platform
After in frame, the cable wire of each cable type hydraulic hoisting machine is connected on each lifting lug simultaneously Synchronous lifting band furnace shell；
6), next band furnace shell of handling top layer furnace shell enters in furnace body frame and goes forward side by side with upper band furnace shell welding installation
Then remaining furnace shell is successively hoisted to and welds in frame with the furnace shell above it and ultimately form State of Blast Furnace by row Synchronous lifting
The top of shell；
7), by upper and lower two connections of last furnace shell, that is, the installation of last furnace shell is completed.
As the further improvement of technical solution, in two first supporting beams and two second supporting beams in the step 2)
Four corners of the rectangle frame of formation are respectively arranged with a third supporting beam, and in the medium position of every third supporting beam
One cable type hydraulic hoisting machine of upper installation settings, while ensuring that every two opposite third supporting beams are parallel and spacing is greater than the height
The outer diameter of furnace furnace shell.
As the further improvement of technical solution, two first supporting beams and two second supporting beams rise with four respectively
The diagonal line of two of pipe support is parallel to each other.This method for arranging can make 4 furnace top frame girder uniform stresseds, if edge
The method of blast furnace centerline parallel arranges the first supporting beam, only 2 furnace top frame main beam stress and stress is excessive.
As the further improvement of technical solution, the thickness of the backing plate is greater than the lower amount of deflection of the first supporting beam.
Compared with prior art, lifting device described in the utility model, structure is simple, and supporting beam slightly modified can be used for
The blast furnace of different stage, when application, do not need to carry out the reinforcing of furnace top frame platform, and the influence to throat platform is smaller, comparison side
Just elevator steel strand.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and detailed description:
Fig. 1 is the platform schematic diagram of lifting device described in the utility model；
Fig. 2 is the structural schematic diagram of lifting device described in the utility model；
Fig. 3 is A-A sectional view in Fig. 2；
Fig. 4 is the schematic diagram of elevator base plate described in the utility model；
Fig. 5 is the schematic diagram of method described in the utility model；
In figure: 1. furnace body frame, 2. furnace top frame girder, 3. ascending pipe support, 4. last furnace shell, 5. first supporting beam
6. the second supporting beam 7.10. elevator base plate of third supporting beam 8. cable type hydraulic hoisting machine, 9. backing plate, 11. box beam
12. 13. lifting lug 14. of through-hole reinforces gusset.
Specific embodiment
Embodiment 1:
As shown in Figures 1 to 5, a kind of last furnace shell lifting lifting device of the utility model, it includes two parallel
The first supporting beam 5, be vertically connected with two the second supporting beams 6 being parallel to each other between this two first supporting beams 5, each
A cable type hydraulic hoisting machine 8 is respectively set in one supporting beam 5 and each second supporting beam 6, between this two first supporting beams 5
It is slightly larger than the outer diameter for the last furnace shell to be lifted away from the spacing with two second supporting beams 6, it is ensured that use the promotion
Device has enough rooms for promotion when lifting last furnace shell.
In the present embodiment, the both ends bottom of every first supporting beam 5 is respectively arranged with backing plate 9, and the mesh of backing plate 9 is arranged
Be, the first supporting beam 5 is mounted on furnace top frame girder 2, in use, all weight pass through the first supporting beam 5
It acts on furnace top frame girder 2, and does not stress substantially to the secondary beam of framework platform (expression of Fig. 1 dotted line).
In the present embodiment, the cable type hydraulic hoisting machine 8 is separately positioned on two first supporting beams 5 and two
The medium position on the every side of rectangle frame that two supporting beams 6 are formed, the advantages of this arrangement are as follows promotion effect can be improved, so that mentioning
Lift stepless action is on last furnace shell, safety and stability.Further, two first supporting beams 5 and two second
The rectangle frame that support beam 6 is formed, which can be set, to be square, in this way in use, the square-shaped frame is placed exactly in the outer ring of last furnace shell
Upper outer, each side is approximate with the outer ring of last furnace shell circumscribed, while satisfaction has enough rooms for promotion, it may also be ensured that mentioning
The verticality of cable wire when rising.
For the stability for further ensuring that the lifting device, in the present embodiment, every first supporting beam 5 and second
Supporting beam 6 is made of box beam 11, can weld several rinforcement bars between every 11 upper cover plate of box beam and lower plate inside
Plate 14,11 upper cover plate of box beam and lower plate offer the through-hole 12 for wearing cable wire, the through-hole at opposite position
Elevator base plate 10 is mounted at 12, each cable type hydraulic hoisting machine 8 is solid by the installation of elevator base plate 10
It is scheduled in first supporting beam 5 and the second supporting beam 6.
Embodiment 2:
As shown in Figures 1 to 5, substantially with embodiment 1, difference is the present embodiment, in the present embodiment, two first supports
Four corners of the rectangle frame that beam 5 and two second supporting beams 6 are formed are respectively arranged with a third supporting beam 7, and every the
A cable type hydraulic hoisting machine 8 is provided at medium position in three supporting beams 7, every two opposite third supporting beams 7 are mutually flat
Row and spacing are greater than the outer diameter of the last furnace shell., this implementation consistent with the second supporting beam 6 with the first supporting beam 5 in embodiment 1
Third supporting beam 7 described in example is also made of box beam 11, which offers through-hole 12, institute at opposite position
It states and is mounted with elevator base plate 10 at through-hole 12, each cable type hydraulic hoisting machine 8 is respectively by promoting machine base
Plate 10 is fixed in each third supporting beam 7.
Embodiment 3:
As shown in Figures 1 to 5, the utility model is a kind of using last furnace shell lifting lifting device described in embodiment 1
Last furnace shell installation method, the installation of last furnace shell when applied to blast furnace overhaul, the last furnace shell 4 divide for upper and lower part,
Its outside is provided with furnace body frame 1, and the quadrangle of the furnace body frame 1 is respectively arranged with ascending pipe support 3, and the furnace body frame 1 wraps
Include furnace top frame girder 2, when the last furnace shell 4 is installed, upper and lower two are respectively separated into several band furnace shells and from furnace body frame 1
Medium position enter installation in frame, the lower part of last furnace shell 4 is respectively installed with bottom-up sequence, and each band in top is from up to down
Upside-down mounting includes the following steps:
1) total weight that upside-down mounting furnace shell, is needed according to the top of last furnace shell 4 selects suitable cable type hydraulic hoisting machine
8 specification and quantity, and after calculating the intensity of each supporting beam that is arranged of needs and the lower amount of deflection of the first supporting beam 5, add
Work installs well required the first supporting beam 5 and the second supporting beam 6；
2), installation settings one first support on the 1 every 2 perpendicular top furnace top frame girders 2 in top of furnace body frame
Beam 5, two first supporting beams 5 set are parallel to each other and spacing is greater than the outer diameter of last furnace shell 4, every first supporting beam 5
Both ends bottom and furnace top frame girder 2 between one piece of backing plate 9 of installation settings, the thickness of the backing plate 9 is greater than the first supporting beam 5
Lower amount of deflection, to reduce the stress of secondary beam on furnace body frame platform, then right angle setting is arranged between this two first supporting beams 5
Two the second parallel supporting beams 6, the spacing of mounted two second supporting beams 6 are greater than the outer diameter of last furnace shell 4, then exist
The cable type hydraulic hoisting machine 8 selected in installation 1) at the medium position of each first supporting beam 5 and the second supporting beam 6, that is, complete
The installation of the lifting device；In this step, the first supporting beam 5 and the second supporting beam 6, can be respectively with four in installation settings
The diagonal line of two of a ascending pipe support 3 is parallel to each other, to ensure that stress and the lifting device of furnace body frame 1 are being made
Stabilization and safety when industry；Four of the rectangle frame formed in this step in two first supporting beams 5 and two second supporting beams 6
Corner can also be respectively arranged with a third supporting beam 7, and the installation settings on the medium position of every third supporting beam 7
One cable type hydraulic hoisting machine 8, while ensuring that every two opposite third supporting beams 7 are parallel and spacing is greater than the last furnace shell
Outer diameter, this adds the lifting device i.e. lifting device described in embodiment 2 of third supporting beam 7 and cable type hydraulic hoisting machine 8；
3) it, is built at 1 medium position of furnace body frame and each temporary platform with furnace shell is installed for handling, first by State of Blast Furnace
The lower part of shell 4 respectively enters bottom-up sequence in frame from handling from 1 medium position of furnace body frame with furnace shell and is installed；
4) it, is distributed relatively on that band furnace shell of the top layer on the top of last furnace shell 4 with each cable type hydraulic hoisting machine 8
Position welding setting and the same number of lifting lug 13 of cable type hydraulic hoisting machine 8 answered；
5) that band furnace shell of the top layer of lifting lug 13, will be welded and pass through temporary platform from 1 medium position of furnace body frame
After in into frame, the cable wire of each cable type hydraulic hoisting machine 8 is connected on each lifting lug 13 simultaneously Synchronous lifting band furnace
Shell；
6), next band furnace shell of handling top layer furnace shell enters in furnace body frame 1 and with upper one with furnace shell (i.e. top layer's furnace
Shell) it welds and installs and carry out Synchronous lifting, remaining furnace shell is successively then hoisted to the furnace shell in frame and above it and is welded
And ultimately form the top of last furnace shell 4；
7), by upper and lower two connections of last furnace shell 4, that is, the installation of last furnace shell 4 is completed.
In the present embodiment, the selection of the specification and quantity of cable type hydraulic hoisting machine 8 generally according to promoted total weight depending on,
The furnace shell little for maximum lifting weight, can be used lifting device described in embodiment 1, uses two first supporting beams 5
With two second supporting beams 6 as support, the cable type hydraulic hoisting machine of larger elevating capacity is selected, it is hydraulic to reduce cable type
The quantity of elevator simplifies operation；And the biggish furnace shell of weight is lifted for maximum, promotion described in embodiment 2 can be passed through
Device is using two first supporting beams 5 and two second supporting beams 6 simultaneously, to add third supporting beam 7 as support, is selecting
The cable type hydraulic hoisting machine of smaller elevating capacity is met by greater number of cable type hydraulic hoisting machine and stablizes, is safe
The requirement of lifting.In application, can comprehensively consider according to the actual situation, such as 4000m3The blast furnace of rank more than shaft needs upside-down mounting
Furnace shell be no more than 400t, if setting 4 suspension centres, can be used single machine hoist 200t cable type hydraulic hoisting machine, if setting 8
Suspension centre can meet the requirement of furnace shell upside-down mounting using the hydraulic hoisting machine of single machine hoist 100t.
The utility model has obtained good application on the numerous blast furnaces of Ma Gang company, as its company 2500m3 blast furnace is big
It repairs, using two first supporting beams and two second supporting beams, sets four suspension centres altogether, select 4 TS100B-250 fashioned iron cable-styled
Hydraulic hoisting machine (elevating capacity 400t), maximum lifting weight are the 8-14 band furnace shell of upside-down mounting, total 238t, quick, efficient, peace
Blast furnace overhaul task is completed entirely.
The above is only the preferred embodiments of the utility model, and but protection scope of the utility model is not limited thereto, appoint
What those familiar with the art within the technical scope disclosed by the utility model, the variation that can readily occur in or replaces
It changes, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with claim
Subject to the protection scope defined.
Claims (6)
1. a kind of last furnace shell lifting lifting device, characterized in that it includes two parallel the first supporting beams (5), should
Two the second supporting beams (6) being parallel to each other, each first supporting beam (5) are vertically connected between two first supporting beams (5)
A cable type hydraulic hoisting machine (8) is respectively set at each second supporting beam (6) medium position, two first supporting beams
(5) spacing of spacing and two second supporting beams (6) is all larger than the outer diameter of the last furnace shell.
2. a kind of last furnace shell lifting lifting device according to claim 1, characterized in that two first supporting beams
(5) four corners of the rectangle frame that the second supporting beam of He Lianggen (6) is formed are respectively arranged with a third supporting beam (7), often
A cable type hydraulic hoisting machine (8), every two opposite third supporting beam (7) are provided at root third supporting beam (7) medium position
Parallel and spacing is greater than the outer diameter of the last furnace shell.
3. a kind of last furnace shell lifting lifting device according to claim 1 or 2, characterized in that every described first
The both ends bottom of supporting beam (5) is respectively arranged with backing plate (9).
4. a kind of last furnace shell lifting lifting device according to claim 1, characterized in that two first supports
The rectangle frame that beam (5) the second supporting beam of He Lianggen (6) is formed is square.
5. a kind of last furnace shell lifting lifting device according to claim 1, characterized in that every first support
Beam (5) and the second supporting beam (6) are made of box beam (11), which offers at opposite position
Through-hole (12) is mounted with elevator base plate (10) at the through-hole (12), and each cable type hydraulic hoisting machine (8) is logical
Elevator base plate (10) is crossed to be fixed in first supporting beam (5) and the second supporting beam (6).
6. a kind of last furnace shell lifting lifting device according to claim 2, characterized in that every first support
Beam (5), the second supporting beam (6) and third supporting beam (7) are made of box beam (11), and box beam (11) upper and lower plates are opposite
It answers and is offered at position through-hole (12), is mounted with elevator base plate (10) at the through-hole (12), each cable type
Hydraulic hoisting machine (8) is fixed on first supporting beam (5), the second supporting beam by elevator base plate (10) respectively
(6) and in third supporting beam (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821518132.3U CN208791020U (en) | 2018-09-17 | 2018-09-17 | Lifting device is used in a kind of lifting of last furnace shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821518132.3U CN208791020U (en) | 2018-09-17 | 2018-09-17 | Lifting device is used in a kind of lifting of last furnace shell |
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| Publication Number | Publication Date |
|---|---|
| CN208791020U true CN208791020U (en) | 2019-04-26 |
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ID=66209752
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821518132.3U Active CN208791020U (en) | 2018-09-17 | 2018-09-17 | Lifting device is used in a kind of lifting of last furnace shell |
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| Country | Link |
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| CN (1) | CN208791020U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108996385A (en) * | 2018-09-17 | 2018-12-14 | 安徽马钢设备检修有限公司 | A kind of last furnace shell lifting lifting device and its it is set using method |
| CN112723205A (en) * | 2020-12-25 | 2021-04-30 | 上海二十冶建设有限公司 | Blast furnace shell mounting device and using method thereof |
-
2018
- 2018-09-17 CN CN201821518132.3U patent/CN208791020U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108996385A (en) * | 2018-09-17 | 2018-12-14 | 安徽马钢设备检修有限公司 | A kind of last furnace shell lifting lifting device and its it is set using method |
| CN108996385B (en) * | 2018-09-17 | 2023-08-11 | 安徽马钢设备检修有限公司 | Method for setting and using lifting device for hoisting blast furnace shell |
| CN112723205A (en) * | 2020-12-25 | 2021-04-30 | 上海二十冶建设有限公司 | Blast furnace shell mounting device and using method thereof |
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