CN203034037U - Safe durable towing hook for blast furnace - Google Patents
Safe durable towing hook for blast furnace Download PDFInfo
- Publication number
- CN203034037U CN203034037U CN 201220750428 CN201220750428U CN203034037U CN 203034037 U CN203034037 U CN 203034037U CN 201220750428 CN201220750428 CN 201220750428 CN 201220750428 U CN201220750428 U CN 201220750428U CN 203034037 U CN203034037 U CN 203034037U
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- China
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- main body
- towing hook
- blast furnace
- gib head
- durable type
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- Expired - Lifetime
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Abstract
The utility model provides a safe durable towing hook for a blast furnace. The safe durable towing hook comprises a rod-shaped main body, hook heads, a front baffle, a sliding weight and a handle, wherein the hook heads are arranged on two sides of the rear end of the main body; the front baffle is arranged on the main body and is close to the front end of the main body; the sliding weight comprises a sliding weight body and an operating handle arranged on the sliding weight body, and the sliding weight body is slidably sleeved on the main body and located between the front baffle and the hook heads; and the handle is arranged at the front end of the main body. The number of the hook heads is two, and the two hook heads are arranged on two opposite sides of the rear end of the main body respectively. The safe durable towing hook is long in service life, and the hook heads are bilateral hook heads. In middle sleeve and small sleeve replacement operation, particularly in middle sleeve replacement operation, due to the fact that the hook heads are heated and stressed evenly, the service life of the towing hook is long.
Description
Technical field
The utility model relates to a kind of auxiliary means for blast furnace ironmaking, and particularly a kind of towing hook of changing blast-furnace tuyere belongs to metallurgical technology field.
Background technology
In blast furnace ironmaking was produced, the blast-furnace tuyere device comprised large, medium and small cover.Wherein, big cover connects the stove skin and entangles middle cover, and middle cover entangles little cover, and little cover send hot blast in blast furnace, and generally up to more than 1100 degree, middle cover generally is cast iron to hot blast temperature, and little cover generally all is copper, all adopts water-cooled.Because blast-furnace tuyere Working environment and abominable, medium and small cover is often burnt out, and forces blast furnace staying, needs often to change.Especially tuyere small sleeve, directly the slag flowing molten iron of contact high temperature and coal gas stream during work, work-ing life is shorter, changes more frequent.
When changing medium and small cover, generally be that towing hook is put in the center, air port, utilize the gib head of towing hook head to hook the front end of cover in the air port or little cover then, loosening with the rapping of sliding hammer after, again cover or little cover in the air port are pulled out.
Repeatedly use and show, traditional towing hook is summarized and is mainly contained following feature and shortcoming:
Only there is a side that gib head is arranged, changes the air port, when overlapping in especially changing, gib head Long contact time hot environment, very easily distortion, practical function is not good.
Gib head and towing hook main body directly welding connect together, sliding hammer repeatedly rapping into shape after, the gib head position is yielding, fracture influences the damping down time when serious.
Towing hook only is furnished with a baffle plate, is merely able to rapping backward, when serious as air port filling slag, enters in the air port for sending towing hook, must beat the towing hook handle with sledgehammer, and potential safety hazard is bigger.
The towing hook gib head is less, changes little cover, effect still can, be used for to change when overlapping gib head difficulty in place, and the rapping effect is undesirable.
Summary of the invention
The purpose of this utility model is to provide a kind of blast furnace safety durable type towing hook, and the side that only has that exists with the solution prior art has gib head, the yielding problem of gib head Long contact time hot environment.
In order to address the above problem, the utility model provides a kind of blast furnace safety durable type towing hook, and it comprises: main body is shaft-like; Gib head is located at a side of the rear end of described main body; Front apron is located on the described main body, and the front end of close described main body; Sliding hammer comprises sliding hammer body and is located at lever on the described sliding hammer body, and described sliding hammer body is sheathed on the described main body and slidably between described front apron and described gib head; Handle is located at the front end of described main body; Wherein, described gib head is two, and two described gib heads are located at the relative both sides of the rear end of described main body respectively.
According to a kind of preferred implementation of above-mentioned blast furnace with safety durable type towing hook, wherein, also comprise stiffening plate, described stiffening plate is connected in described gib head simultaneously and main body makes not easy fracture of described gib head with the stressed area that increases described gib head.
According to a kind of preferred implementation of above-mentioned blast furnace with safety durable type towing hook, wherein, also comprise rear deflector door, described rear deflector door is located on the described main body and near described gib head, the described cunning hammered into shape on the described main body that is sheathed on slidably between described front apron and the described rear deflector door.
According to a kind of preferred implementation of above-mentioned blast furnace with safety durable type towing hook, wherein, also comprise the front apron gusset, described front apron gusset is connected in described front apron and described main body simultaneously, and described front apron gusset is positioned at the front side of described front apron.
According to a kind of preferred implementation of above-mentioned blast furnace with safety durable type towing hook, wherein, comprise that also described hanger is connected in rear side and the described main body of described rear deflector door simultaneously for inserting the hanger that steel pipe or cucurbit hang.
According to the above-mentioned blast furnace a kind of preferred implementation with safety durable type towing hook, wherein, the front end of described main body also is provided with the direction signs hole, be used for determining described gib head towards.
According to a kind of preferred implementation of above-mentioned blast furnace with safety durable type towing hook, wherein, also comprise sliding hammer gusset, described sliding hammer gusset is connected in described sliding hammer body and described lever simultaneously.
According to a kind of preferred implementation of above-mentioned blast furnace with safety durable type towing hook, wherein, described main body comprises leading portion and back segment, and the rear end of described leading portion is connected with the front end of described back segment, and two described gib heads are located at the relative both sides of the rear end of described back segment respectively.
According to a kind of preferred implementation of above-mentioned blast furnace with safety durable type towing hook, wherein, also comprise web plate, described web plate is connected in the rear end of described leading portion and the front end of described back segment.
By last analysis, the utility model can be obtained following advantage at least:
Simple in structure, manufacturing cost is extremely low, and blast furnace is simple in structure with safety durable type towing hook, and low cost of manufacture only needs suitably to improve and can complete on the basis of original towing hook structure.
Be suitable for effectively, can effectively carry out medium and small cover and change operation, especially in changing the air port during cover operation, practice shows works very well, and the drawback of poor effect can effectively reduce the damping down time when having improved original towing hook and overlapping in processing.
Long service life, the towing hook gib head is the bilateral gib head, changes medium and small cover operation, in especially changing during the cover operation since gib head be heated, stressed evenly, make towing hook longer work-ing life.
Description of drawings
Fig. 1 is the structural representation of the utility model preferred embodiment.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further details.
Fig. 1 schematically shows the structure of the utility model preferred embodiment, as shown in the figure, this preferred embodiment comprise two-part structures such as having leading portion 31 and back segment 32 main body, gib head 11, front apron 5, have sliding hammer, the handle 1 of sliding hammer body 7 and lever 70.Wherein, handle 1 is located at the front end of the leading portion 31 of main body, is convenient to workman's operation.The leading portion 31 of main body and the butt joint of the end face of back segment 32 form a shaft-like integral body.Front apron 5 is located on the leading portion 31 of main body, and the front end of close leading portion 31, also namely near handle 1.Sliding hammer body 7 is sheathed on the leading portion 31 of main body slidably, and between front apron 5 and rear deflector door 8.In order to solve the problem that existing towing hook exists, the gib head 11 of this preferred embodiment is two, and two gib heads 11 are located at the both sides of main body back segment 32 rear ends respectively, and two gib heads 11 are positioned at the relative both sides of back segment 32, the bilateral gib head is 11 stressed, be heated evenly, not yielding, practicality is good.In other embodiments, main body also can be the rod-like structure of an integral type.This preferred embodiment is the two-part structure with body design, the different gib head 11 of middle cover, little Analysis of Nested Design that can seal for the blast furnace of different size.
To seal accumulated slag serious in order to tackle blast furnace, and this preferred embodiment also comprises rear deflector door 8, and rear deflector door 8 is located at the rearward end of main body leading portion 31, and also namely near gib head 11, sliding hammer body 7 is sheathed on the main body leading portion 31 between front apron 5 and the rear deflector door 8 slidably.Serious as the blast-furnace tuyere accumulated slag, and easy to clean can not make sliding hammer body 7 rapping rear deflector door 8 forward by manipulation operations handle 70, till gib head 11 is fed through little cover extension constantly.This impacts mode and has replaced present sledgehammer to beat the mode that impacts of handle 1, has improved security.
In order to reduce labor strength and operating risk, this preferred embodiment comprises that also hanger 9 is provided with through hole 90 for inserting the hanger 9 that steel pipe or cucurbit hang, and hanger 9 is connected in the rear side of rear deflector door 8 and main body leading portion 31 simultaneously to increase strength of joint.Can insert steel pipe in the through hole 90 of hanger 9 or tie cucurbit and hang and fix this preferred embodiment, can reduce the directly chance of contact of blast-furnace man, avoid shaking the generation of hindering accident.
Structural strength for the partial component that increases this preferred embodiment, this preferred embodiment also comprises a plurality of stiffening plates or gusset, for example, stiffening plate 12 end that is connected in gib head 11 and main body back segment 32 simultaneously makes not easy fracture of gib head 11 with the stressed area that increases gib head 11; Front apron gusset 4 is connected in front apron 5 and main body leading portion 31 simultaneously, and front apron gusset 4 is positioned at the front side of front apron 5; Sliding hammer gusset 6 is connected in sliding hammer body 7 and lever 70 simultaneously; Web plate 10 is connected in the rear end of leading portion 31 and the front end of back segment 32, to increase the strength of joint of the two.
In addition, the front end of the main body leading portion 31 of this preferred embodiment also is provided with direction signs hole 2, such as the direction signs hole towards with the hook gib head towards at same horizontal plane, thus convenient determine the hook gib head towards.
When using this preferred embodiment, behind blast furnace staying, after the stokehold workman receives instruction, unload blowpipe rapidly, and the port area of keeping watch is cleaned out, this preferred embodiment is delivered to the tuyere small sleeve extension, serious as the air port accumulated slag, and easy to clean does not use sliding hammer body 7 rapping rear deflector door 8 forward, till gib head 11 is fed through little cover extension constantly, in the through hole 90 of hanger 9, insert steel pipe afterwards or tie cucurbit and hang and fix this preferred embodiment, use sliding hammer body 7 rapping front apron 5 backward, up to little cover is moved, till the hauling-out.
Change and repeat above-mentioned steps when overlapping operation in the air port.
Certain blast furnace repeatedly damping down is changed the practice of medium and small cover and is shown, changes operation by using the utility model to carry out medium and small cover, can haul out medium and small cover fast; Reduce the generation of stokehold working strength of workers and security incident, reduced the time that damping down is changed medium and small cover, improved production efficiency.
In sum, the utility model is simple in structure, and manufacturing cost is extremely low, safe and reliable, durable, adopt the both sides gib head, and preferably dispose designs such as stiffening plate and rear deflector door, both guaranteed not yielding, the fracture of towing hook gib head, the wearing quality height has been avoided again beating the potential safety hazard that sledgehammer brings, and has reduced the generation of security incident, alleviate working strength of workers, improved production efficiency.
As known by the technical knowledge, the utility model can be realized by other the embodiment that does not break away from its spirit or essential feature.Therefore, above-mentioned disclosed embodiment with regard to each side, all just illustrates, and is not only.All in the utility model scope or the change that is being equal in the scope of the present utility model all be included in the utility model.
Claims (9)
1. a blast furnace comprises with safety durable type towing hook:
Main body is shaft-like;
Gib head is located at a side of the rear end of described main body;
Front apron is located on the described main body, and the front end of close described main body;
Sliding hammer comprises sliding hammer body and is located at lever on the described sliding hammer body, and described sliding hammer body is sheathed on the described main body and slidably between described front apron and described gib head;
Handle is located at the front end of described main body;
It is characterized in that described gib head is two, two described gib heads are located at the relative both sides of the rear end of described main body respectively.
2. blast furnace according to claim 1 is characterized in that with safety durable type towing hook,
Also comprise stiffening plate, described stiffening plate is connected in described gib head simultaneously and main body makes not easy fracture of described gib head with the stressed area that increases described gib head.
3. blast furnace according to claim 1 is characterized in that with safety durable type towing hook,
Also comprise rear deflector door, described rear deflector door is located on the described main body and near described gib head, the described cunning hammered into shape on the described main body that is sheathed on slidably between described front apron and the described rear deflector door.
4. blast furnace according to claim 1 is characterized in that with safety durable type towing hook,
Also comprise the front apron gusset, described front apron gusset is connected in described front apron and described main body simultaneously, and described front apron gusset is positioned at the front side of described front apron.
5. blast furnace according to claim 3 is characterized in that with safety durable type towing hook,
Comprise that also described hanger is connected in rear side and the described main body of described rear deflector door simultaneously for inserting the hanger that steel pipe or cucurbit hang.
6. blast furnace according to claim 1 is characterized in that with safety durable type towing hook,
The front end of described main body also is provided with the direction signs hole, be used for to determine described gib head towards.
7. blast furnace according to claim 1 is characterized in that with safety durable type towing hook,
Also comprise sliding hammer gusset, described sliding hammer gusset is connected in described sliding hammer body and described lever simultaneously.
8. blast furnace according to claim 1 is characterized in that with safety durable type towing hook,
Described main body comprises leading portion and back segment, and the rear end of described leading portion is connected with the front end of described back segment, and two described gib heads are located at the relative both sides of the rear end of described back segment respectively.
9. blast furnace according to claim 8 is characterized in that with safety durable type towing hook,
Also comprise web plate, described web plate is connected in the rear end of described leading portion and the front end of described back segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220750428 CN203034037U (en) | 2012-12-30 | 2012-12-30 | Safe durable towing hook for blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220750428 CN203034037U (en) | 2012-12-30 | 2012-12-30 | Safe durable towing hook for blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203034037U true CN203034037U (en) | 2013-07-03 |
Family
ID=48686174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220750428 Expired - Lifetime CN203034037U (en) | 2012-12-30 | 2012-12-30 | Safe durable towing hook for blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203034037U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014208A (en) * | 2012-12-30 | 2013-04-03 | 大冶特殊钢股份有限公司 | Safe and durable towing hook for blast furnace |
-
2012
- 2012-12-30 CN CN 201220750428 patent/CN203034037U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014208A (en) * | 2012-12-30 | 2013-04-03 | 大冶特殊钢股份有限公司 | Safe and durable towing hook for blast furnace |
| CN103014208B (en) * | 2012-12-30 | 2015-03-11 | 大冶特殊钢股份有限公司 | Safe and durable towing hook for blast furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200415 Address after: 435001 Huangshi Road, Hubei, Huangshi, No. 316 Patentee after: Daye Special Steel Co.,Ltd. Address before: 435001 Huangshi Road, Hubei, Huangshi, No. 316 Patentee before: DAYE SPECIAL STEEL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |
|
| CX01 | Expiry of patent term |