CN107058659A - Disassembly mechanism and its method for dismounting for tuyere small sleeve - Google Patents
Disassembly mechanism and its method for dismounting for tuyere small sleeve Download PDFInfo
- Publication number
- CN107058659A CN107058659A CN201710081149.0A CN201710081149A CN107058659A CN 107058659 A CN107058659 A CN 107058659A CN 201710081149 A CN201710081149 A CN 201710081149A CN 107058659 A CN107058659 A CN 107058659A
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- CN
- China
- Prior art keywords
- small sleeve
- tuyere small
- cylinder
- pawl
- hook
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/16—Tuyéres
- C21B7/166—Tuyere replacement apparatus
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
Abstract
The invention discloses a kind of disassembly mechanism for tuyere small sleeve, including push rod device, it is installed on the cylinder on push rod device head, is embedded in cylinder and relative to its telescopic multiple hook pawl, and connection hooks the elastic component of pawl and cylinder, wherein, each hook pawl one elastic component of setting, hooks the overhead kick that pawl one end is provided with the angular shape for being used to catch on tuyere small sleeve, when hooking outside pawl stretching cylinder, tuyere small sleeve is caught in the overhead kick for hooking pawl, and cylinder is hinged by hinge with cylinder.Disassembly mechanism proposed by the present invention for tuyere small sleeve, its is simple and reliable for structure and easy to use.
Description
Technical field
The present invention relates to technical field of metallurgical equipment, more particularly to a kind of disassembly mechanism and its dismounting for tuyere small sleeve
Method.
Background technology
Blast furnace need to blow about 1100 DEG C of hot blast by multiple air ports in smelting process to blast furnace.Air port part
In near in stove tuyere small sleeve be very easy to scaling loss, need to often change, especially in the later stage in furnace life, change it is very frequent.
Blast furnace is of different sizes according to heat size, containing several to tens air ports, therefore the air port that blast furnace staying need to be changed every time
Small set quantity is more, and workload is big；Tuyere small sleeve is interference fitted, to reach sealed effect, again by extruding with tuyere medium sleeve
Due to the effect of high temperature thermal stress, pulled down in the extremely difficult therefrom set of tuyere small sleeve, work difficulty is big, and time-consuming.Therefore, a kind of letter is designed
Just, reliable dismounting tuyere small sleeve mechanism, to reducing the blast furnace staying time, improves its productivity ratio very meaningful.
The content of the invention
It is a primary object of the present invention to provide tearing open for tuyere small sleeve a kind of simple and reliable for structure and easy to use
Release mechanism and its method for dismounting.
To achieve the above object, the present invention provides a kind of disassembly mechanism for tuyere small sleeve, including push rod device, installation
Cylinder in the push rod device head, it is embedded in the cylinder and relative to its telescopic multiple hook pawl, and connection institute
The elastic component for hooking pawl and cylinder is stated, wherein,
Each hook pawl sets an elastic component, and described hook pawl one end is provided with falling for the angular shape for catching on tuyere small sleeve
Hook, when the hook pawl is stretched out outside cylinder, tuyere small sleeve is caught in the overhead kick for hooking pawl, and the cylinder is hinged by hinge with cylinder.
Preferably, the elastic component is spring, and the two ends of spring are fixedly connected with cylinder and hook pawl respectively, and the hook pawl is leaned on
One end of short round spring is cylindrical structural to insert in the endoporus of spring.
Preferably, the side of the hook pawl away from push rod device is provided with and is used to facilitate cylinder to stretch into tuyere small sleeve cone-shaped inner hole
Guiding surface.
Preferably, the push rod device includes connecting rod and the handle with being fixed on the connecting rod afterbody, the cylinder and company
The head of bar is hinged.
Preferably, open up fluted on the cylinder, the hook claw portion is contained in the groove.
Preferably, circular hole is provided with the groove, one end of the spring is contained in the circular hole, the other end of spring
On the cylindrical structural for being placed on the hook pawl.
Present invention further propose that a kind of method for dismounting based on the above-mentioned disassembly mechanism for tuyere small sleeve, including with
Lower step：
The cone-shaped inner hole that push rod device sends into cylinder tuyere small sleeve is pushed forward, and in the presence of elastic component, multiple hook pawls are equal
It is close to the surface of tuyere small sleeve cone-shaped inner hole；
When hooking pawl and stretching out tuyere small sleeve, elastic component will hook that pawl is protruding, and outwards pulling push rod device makes falling for all hook pawls
Hook firmly catches on tuyere small sleeve；
Continue outwards to pull push rod device, until pulling down tuyere small sleeve.
Preferably, when outwards pulling push rod device, connecting rod is lifted up into an angle makes it be overlapped with air port center line
Effect is pulled to improve.
Disassembly mechanism proposed by the present invention for tuyere small sleeve, by setting multiple hook pawls, therefore takes air port small in hook
More preferably, hook takes to be also easier to stress during set.In addition, by the continuous action of elastic component, during handle is pulled, it is ensured that multiple
Hook pawl and stretch out maximum length all the time, will not break off relations.Meanwhile, tuyere small sleeve surface is embedded in by the barb for hooking pawl, it is ensured that firmly hook
Firmly tuyere small sleeve.In addition, this is used for its simple in construction, the easy realization of the disassembly mechanism of tuyere small sleeve and easy to use and reliable, it is right
The blast furnace staying time is reduced, its productivity ratio is improved very meaningful.
Brief description of the drawings
Structural representations of the Fig. 1 for the present invention for the disassembly mechanism preferred embodiment of tuyere small sleeve；
Fig. 2 is the details mplifying structure schematic diagram at the A shown in Fig. 1；
Partial structural diagrams of the Fig. 3 for the present invention for the disassembly mechanism middle cylinder body of tuyere small sleeve；
Fig. 4 is cross section structure diagram of the cylinder shown in Fig. 3 in B-B directions.
Piece number in figure：1- cylinders, 2- hook pawl, 3- springs, 4- grooves, 5- connecting rods, 6- handles, 7- tuyere small sleeves, 8-
Tuyere medium sleeve, 9- guiding surfaces.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
It should be noted that in the description of the invention, term " transverse direction ", " longitudinal direction ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of the description present invention and simplifies description, is not instruction or implies signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the limit of the present invention
System.
Referring to Figures 1 and 2, in this preferred embodiment, a kind of disassembly mechanism for tuyere small sleeve, including push rod device,
The cylinder 1 on push rod device head is installed on, is embedded in cylinder 1 and relative to its telescopic multiple hook pawl 2（At least provided with two
It is individual）, and the elastic component for hooking pawl 2 and cylinder 1 is connected, wherein,
Each hook pawl 2 sets an elastic component, hooks the overhead kick that the one end of pawl 2 is provided with the angular shape for being used to catch on tuyere small sleeve 7, works as hook
When the stretching cylinder 1 of pawl 2 is outer, tuyere small sleeve 7 is caught in the overhead kick for hooking pawl 2, and cylinder 1 is hinged by hinge with cylinder 1.
Specifically, in the present embodiment, elastic component is spring 3, and the two ends of spring 3 are fixed and connected with cylinder 1 and hook pawl 2 respectively
Connect, hook pawl 2 close to one end of spring 3 is cylindrical structural to insert in the endoporus of spring 3.Cylindrical structural is set, so that right
Stretching into for spring 3 play the guiding role.
Further, hooking side of the pawl 2 away from push rod device and being provided with is used to facilitate cylinder 1 to stretch into the taper of tuyere small sleeve 7
The guiding surface 9 in hole, so as to facilitate cylinder 1 to stretch into the cone-shaped inner hole of tuyere small sleeve 7.
Specifically, push rod device includes connecting rod 5 and the handle 6 with being fixed on the afterbody of connecting rod 5, cylinder 1 and connecting rod 5
Head is hinged.Fluted 4 are opened up on reference picture 3 and Fig. 4, cylinder 1, pawl 2 is hooked and is partially accommodated in groove 4.Provided with circle in groove 4
Hole, one end of spring 3 is contained in circular hole, and the other end of spring 3 is placed on the cylindrical structural for hooking pawl 2.
In the bottom hole of groove 4 and spring 3 is installed.Pawl 2 is hooked to stretch out or retract in groove 4.In the presence of spring 3,
Hook the auto-extending maximum length of pawl 2.When dismantling tuyere small sleeve 7, cylinder 1 is first stretched into the cone-shaped inner hole of tuyere small sleeve 7, then
Handle 6 is pushed forward, and under spring force, hook pawl 2 is close to cone-shaped inner hole surface and moved ahead.Small set endoporus is passed through when hooking pawl 2
When, hook the auto-extending maximum length of pawl 2.Handle 6 backward again, you can firmly catch on tuyere small sleeve 7.Handle 6 is persistently pulled, directly
To pulling down tuyere small sleeve 7.
The disassembly mechanism for tuyere small sleeve that the present embodiment is proposed, by setting multiple hook pawls 2, therefore takes air port in hook
More preferably, hook takes to be also easier to stress during small set 7.In addition, by the continuous action of elastic component, during handle 6 is pulled, it is ensured that
Multiple hook pawls 2 stretch out maximum length all the time, will not break off relations.Meanwhile, the surface of tuyere small sleeve 7 is embedded in by the barb for hooking pawl 2, it is ensured that
Firmly catch on tuyere small sleeve 7.In addition, this is used for its simple in construction, the easy realization of the disassembly mechanism of tuyere small sleeve 7 and easy to use
Reliably, to reducing the blast furnace staying time, its productivity ratio is improved very meaningful.It is embedded in cylinder 1, therefore, makes whole because hooking pawl 2
Mechanism is compacter, so as to the tuyere small sleeve 7 suitable for smaller endoporus.
Present invention further propose that a kind of method for dismounting of disassembly mechanism for tuyere small sleeve.
In this preferred embodiment, a kind of method for dismounting based on the above-mentioned disassembly mechanism for tuyere small sleeve, including with
Lower step：
The cone-shaped inner hole that push rod device sends into cylinder tuyere small sleeve is pushed forward, and in the presence of elastic component, multiple hook pawls are equal
It is close to the surface of tuyere small sleeve cone-shaped inner hole；
When hooking pawl and stretching out tuyere small sleeve, elastic component will hook that pawl is protruding, and outwards pulling push rod device makes falling for all hook pawls
Hook firmly catches on tuyere small sleeve；
Continue outwards to pull push rod device, until pulling down tuyere small sleeve.
Specifically, when outwards pulling push rod device, connecting rod is lifted up into an angle makes it be overlapped with air port center line
Effect is pulled to improve.Now, pawl is hooked to be difficult to break off relations.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure transformation that bright specification and accompanying drawing content are made, or other related technical fields are directly or indirectly used in,
Similarly it is included within the scope of the present invention.
Claims (8)
1. a kind of disassembly mechanism for tuyere small sleeve, it is characterised in that including push rod device, be installed on the push rod device head
The cylinder in portion, it is embedded in the cylinder and relative to its telescopic multiple hook pawl, and the connection bullet for hooking pawl and cylinder
Property part, wherein,
Each hook pawl sets an elastic component, and described hook pawl one end is provided with falling for the angular shape for catching on tuyere small sleeve
Hook, when the hook pawl is stretched out outside cylinder, tuyere small sleeve is caught in the overhead kick for hooking pawl, and the cylinder is hinged by hinge with cylinder.
2. it is used for the disassembly mechanism of tuyere small sleeve as claimed in claim 1, it is characterised in that the elastic component is spring, bullet
The two ends of spring are fixedly connected with cylinder and hook pawl respectively, described to hook pawl close to one end of spring is cylindrical structural to insert spring
Endoporus in.
3. it is used for the disassembly mechanism of tuyere small sleeve as claimed in claim 1, it is characterised in that the hook pawl is away from push rod device
Side be provided with and be used to facilitate cylinder to stretch into the guiding surface of tuyere small sleeve cone-shaped inner hole.
4. it is used for the disassembly mechanism of tuyere small sleeve as claimed in claim 1, it is characterised in that the push rod device includes connecting rod
And with being fixed on the handle of the connecting rod afterbody, the head of the cylinder and connecting rod is hinged.
5. it is used for the disassembly mechanism of tuyere small sleeve as claimed in claim 1, it is characterised in that offered on the cylinder recessed
Groove, the hook claw portion is contained in the groove.
6. it is used for the disassembly mechanism of tuyere small sleeve as claimed in claim 2, it is characterised in that circular hole is provided with the groove,
One end of the spring is contained in the circular hole, and the other end of spring is placed on the cylindrical structural of the hook pawl.
7. a kind of method for dismounting of the disassembly mechanism for tuyere small sleeve based on described in any one in claim 1 to 6, its
It is characterised by, comprises the following steps：
The cone-shaped inner hole that push rod device sends into cylinder tuyere small sleeve is pushed forward, and in the presence of elastic component, multiple hook pawls are equal
It is close to the surface of tuyere small sleeve cone-shaped inner hole；
When hooking pawl and stretching out tuyere small sleeve, elastic component will hook that pawl is protruding, and outwards pulling push rod device makes falling for all hook pawls
Hook firmly catches on tuyere small sleeve；
Continue outwards to pull push rod device, until pulling down tuyere small sleeve.
8. it is used for the method for dismounting of the disassembly mechanism of tuyere small sleeve as claimed in claim 7, it is characterised in that outwards pull and push away
During lever apparatus, connecting rod be lifted up into an angle make it overlap with air port center line pulling effect to improve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081149.0A CN107058659B (en) | 2017-02-15 | 2017-02-15 | Disassembly mechanism for tuyere small sleeve and disassembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081149.0A CN107058659B (en) | 2017-02-15 | 2017-02-15 | Disassembly mechanism for tuyere small sleeve and disassembly method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107058659A true CN107058659A (en) | 2017-08-18 |
| CN107058659B CN107058659B (en) | 2022-06-24 |
Family
ID=59598565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710081149.0A Active CN107058659B (en) | 2017-02-15 | 2017-02-15 | Disassembly mechanism for tuyere small sleeve and disassembly method thereof |
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| Country | Link |
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| CN (1) | CN107058659B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2310767Y (en) * | 1997-10-16 | 1999-03-17 | 首钢总公司 | Tuyere middle bushing dismounting device for blast furnace |
| KR20010053747A (en) * | 1999-12-01 | 2001-07-02 | 이구택 | Dismantlement apparatus of tuyere in the blast furnace |
| CN2685346Y (en) * | 2003-12-30 | 2005-03-16 | 中冶赛迪工程技术股份有限公司 | Dismounting equipment for blast furnace tuyere small cover |
| CN202595174U (en) * | 2012-04-26 | 2012-12-12 | 中国十七冶集团有限公司 | Simple disassembling device of blast-furnace tuyere small sleeve |
| CN205501339U (en) * | 2016-03-14 | 2016-08-24 | 宝山钢铁股份有限公司 | Wind gap bush dismounting device |
-
2017
- 2017-02-15 CN CN201710081149.0A patent/CN107058659B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2310767Y (en) * | 1997-10-16 | 1999-03-17 | 首钢总公司 | Tuyere middle bushing dismounting device for blast furnace |
| KR20010053747A (en) * | 1999-12-01 | 2001-07-02 | 이구택 | Dismantlement apparatus of tuyere in the blast furnace |
| CN2685346Y (en) * | 2003-12-30 | 2005-03-16 | 中冶赛迪工程技术股份有限公司 | Dismounting equipment for blast furnace tuyere small cover |
| CN202595174U (en) * | 2012-04-26 | 2012-12-12 | 中国十七冶集团有限公司 | Simple disassembling device of blast-furnace tuyere small sleeve |
| CN205501339U (en) * | 2016-03-14 | 2016-08-24 | 宝山钢铁股份有限公司 | Wind gap bush dismounting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107058659B (en) | 2022-06-24 |
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