CN109870033A - It is a kind of to take off brick machine manually - Google Patents
It is a kind of to take off brick machine manually Download PDFInfo
- Publication number
- CN109870033A CN109870033A CN201910196067.XA CN201910196067A CN109870033A CN 109870033 A CN109870033 A CN 109870033A CN 201910196067 A CN201910196067 A CN 201910196067A CN 109870033 A CN109870033 A CN 109870033A
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- brick
- oxygen rifle
- hook
- trombone slide
- head
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- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
For it is in the prior art take off brick machine pulling force it is too small caused by take off the ineffective problem of brick, the present invention provide it is a kind of take off brick machine manually, including for being inserted into oxygen rifle brick brick hole lifting hook device, augmentor and for withstanding on oxygen rifle brick periphery when dismantling enclose bracket on brick；The lifting hook device includes for from the swollen mouth mechanism of drag hook for going deep into the hook mechanism in metallurgical furnace in brick hole and the diameter for hook mechanism to be entered to metallurgical furnace inner part becomes larger to block inside oxygen rifle brick；Wherein, the swollen mouth mechanism of drag hook can keep the swollen mouth state of hook mechanism after the diameter that hook mechanism enters metallurgical furnace inner part becomes larger；Its technical solution is that: augmentor is connect with hook mechanism, by the hook mechanism of the axial mobile swollen mouth state of machine driving, so that oxygen rifle brick is displaced outwardly to pull out oxygen rifle brick from enclosing in brick.The present invention has structure simple, and compact-sized, easy to carry, be swift in motion reliable advantage.
Description
Technical field
The present invention relates to the assist removal equipment of metallurgical furnace oxygen lance brick, and in particular to a kind of structure is simple, easy to operate, section
Human-saving material resources take off brick machine manually.
Background technique
In bottom-blowing of converter smelting process, need through oxygen rifle to be by building in burner hearth to gas, oxygen rifle is blown into smelting furnace
Refractory material wall brick (oxygen rifle brick) with holes in furnace wall is fixed.Oxygen rifle and oxygen rifle brick can generate scaling loss and shorten in use, most
After fail.So will be replaced at regular intervals to oxygen rifle and oxygen rifle brick.
While replacing oxygen rifle, it is also desirable to which the brick that encloses of the oxygen rifle brick of fixed oxygen rifle and its periphery is carried out dismounting replacement.Its
The dismounting difficulty of middle oxygen rifle brick is maximum, and oxygen rifle brick and periphery enclose that brick conjunction length is longer, and binding force is big, and when replacing after scaling loss
Length is uncertain, can change in a certain range, the small , Gei Posts brick of oxygen rifle bore dia causes extreme difficulties in addition.It adopts substantially at present
Method is dismantled with water drilling, electric hammer, pneumatic pick etc..Large labor intensity, forcible entry time are up to 8 hours or more, and forcible entry cost is very high, stop
Economic loss caused by production is bigger.
Notification number is the patent of 205383892 U of CN, announce a kind of metallurgical furnace oxygen lance brick and take off brick machine, and wherein oxygen rifle brick takes off brick
Technical solution is, using the hammer stem beater head device with expansion sleeve and expansion rod, using expansion rod make expansion sleeve expand and with brick hole
Tensioning pulls out oxygen rifle brick then with sliding tup force.Due to the active force very little that sliding tup generates, the drawing that can be generated
Power effect is limited, therefore for the oxygen rifle brick big for binding force, it is ineffective to take off brick.
Summary of the invention
For it is in the prior art take off brick machine pulling force it is too small caused by take off the ineffective problem of brick, the present invention provides one
Kind takes off brick machine for metallurgical furnace oxygen lance brick manually.The present invention has structure simple, easy to use, takes off the big advantage of brick pulling force.
The present invention solves above-mentioned technical problem and is adopted the technical scheme that: a kind of taking off manually for metallurgical furnace oxygen lance brick
Brick machine, including for being inserted into oxygen rifle brick brick hole lifting hook device, augmentor and for disassembly when withstand on oxygen rifle brick periphery
Enclose the bracket on brick；The lifting hook device includes hook mechanism for going deep into metallurgical furnace from brick hole and for by drag hook machine
The diameter that structure enters metallurgical furnace inner part becomes larger the swollen mouth mechanism of drag hook blocked inside oxygen rifle brick；Wherein, the swollen mouth of drag hook
Mechanism can keep the swollen mouth state of hook mechanism after the diameter that hook mechanism enters metallurgical furnace inner part becomes larger；Its technical side
Case is: augmentor is connect with hook mechanism, by the hook mechanism of the mobile swollen mouth state of machine driving axial direction, thus by oxygen
Rifle brick is displaced outwardly to pull out oxygen rifle brick from enclosing in brick.
The hook mechanism includes trombone slide, and trombone slide is the staircase structural model that head is able to carry out elastic bulging；Trombone slide is tool
There is the elongated tubular construction of head, middle part and tail portion, the inner hole on trombone slide head is taper hole, the head of trombone slide and middle part with multiple
Notch forms elastic construction.
The swollen mouth mechanism of drag hook includes the pull rod in trombone slide and with the setting of trombone slide coaxial cooperation, and pull rod is head band
There are cone wedge and the integral structure with elongated connecting rod.
Pull rod mobile mechanism further includes the pull rod moving structure that pull rod can be made mobile being fixedly connected with pull rod, the drawing
Bar moving structure conversion sleeve, wire nail, pulling shaft；Above-mentioned wire nail is fixed on conversion sleeve, what wire nail can be relatively rotated coaxially
It is arranged on pulling shaft；Conversion sleeve with help pull a cart it is relatively unrotatable；Pulling shaft with help pull a cart be able to carry out axial movement and when pulling shaft is moved to
It can be rotated coaxially with helping pull a cart when far from the maximum position helped pull a cart；Wherein, the other end of connecting rod is connect with conversion sleeve；Trombone slide is remote
From one end of cone wedge and dismountable connection of helping pull a cart.
The augmentor includes gear and rack teeth mechanism and worm gear mechanism；Wherein, gear and rack teeth mechanism includes gear
And rack gear；Rack gear is fixed at outside of helping pull a cart；Wheel and rack engagement；Wherein, worm gear mechanism include worm gear, worm screw with
And crank；Worm gear and gear are coaxially disposed；Worm and wheel is equipped with；Crank is connect with worm screw；Wherein, it is arranged on splicing sleeve
Fluting for mate gear；The worm gear mechanism and gear are mounted in the casing of sealing.
A kind of application method for taking off brick machine manually as described above, its technical solution is that: the following steps are included:
A. the head of cone wedge and trombone slide is inserted into the oxygen rifle hole of oxygen rifle brick, by top of support enclosing on brick on oxygen rifle brick periphery；
B. it the swollen mouth mechanism right lateral of drag hook and locks, wedges the cone wedge of rod head in the taper hole of trombone slide, make trombone slide head distending
And it is stuck on the inner surface of oxygen rifle brick；
C. augmentor applies axial pulling capacity to lifting hook device, makes oxygen rifle brick from enclosing in brick；
D. the swollen mouth mechanism right lateral of drag hook, deviates from the cone wedge of rod head from the taper hole of trombone slide, and trombone slide head is shunk, and will draw
Pipe is pulled out from the hole of oxygen rifle brick；
E. augmentor counter motion makes lifting hook device move downward reset, makes the head of cone wedge and trombone slide by augmentor
Deviate from from the oxygen rifle hole of oxygen rifle brick；
F. the above movement is repeated, can carry out next oxygen rifle brick takes off brick operation.
After oxygen rifle brick is clawed, then that takes off periphery enclose brick, and since brick hole is very big, the present invention can be taken off to the drawing of brick chain-drive section
Hook device changes common drag hook into, can will enclose brick and successively pull out.
The beneficial effects of the present invention are: the present invention drives conversion sleeve and connecting rod axial direction simultaneously by axial movement handle
Translation makes the taper hole of cone wedge wedging trombone slide and the end of trombone slide is forced to expand, is stuck in oxygen rifle brick, then make to turn by rotational handle
It changes set and connecting rod is fixed, keep the swelling state of trombone slide, hook mechanism axial translation is then driven by augmentor again,
Oxygen rifle brick is pulled out from metallurgical furnace.Simultaneously as use gear, rack gear, turbine, worm screw machine driving, by scroll bar
Be converted to the axial translation of hook mechanism.
By increasing the transmission mechanism of discontinuity splined shaft between gear and worm gear, the quick shifting of lifting hook device can be made
It is dynamic, realize that its quick idle running is mobile and quick return moves.
Pass through the i.e. controllable folding of lifting hook device of operation handle and fast moving for lifting hook device.
The present invention is set to have structure simple, compact-sized, easy to carry, easy to operate, be swift in motion reliable advantage.
Detailed description of the invention
Fig. 1 is the original state schematic diagram of engine driven supercharging draw-off gear of the invention.
Fig. 2 is cross-sectional view of the Fig. 1 along the face B.
Fig. 3 is cross-sectional view figure of the Fig. 1 along the face C.
Fig. 4 is that the swollen mouth mechanism of drag hook uses schematic diagram.
Fig. 5 is another embodiment of the invention.
Fig. 6 is cross-sectional view of the Fig. 5 along the face E.
Fig. 7 is cross-sectional view of the Fig. 5 along the face F.
Respectively mark in figure: 1. pull rods, 2. trombone slides, 3. help pull a cart, 4. splicing sleeves, 5. rack gears, 6. casings, 7. worm gears, 8. gears,
9. worm screw, 10. cranks, 11. pins, 12. annular cappings, 13. spacer pins, 14. conversion sleeves, 15. wire nails, 16. pulling shafts, 17. hands
Handle, 18. brackets, 19. pin shafts, 20. splined shafts.
It should be clear that: the arrow direction in figure is the head when present invention uses.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is described in further details.
The embodiment of the present invention I: the present invention is removed for narrow meshed oxygen rifle brick.As shown in FIG. 1 to 3, it defines in figure
The position of each part and the direction of motion are the position and direction shown in figure；The present invention includes lifting hook device, augmentor；Drag hook
Device, augmentor are separately mounted on splicing sleeve 4 and casing 6, and splicing sleeve 4 is fixedly connected with casing 6；It is coaxial in splicing sleeve 4
Be slidably matched to be provided with and help pull a cart 3, help pull a cart 3 for connect lifting hook device is installed, and be transmitted to drag hook by what augmentor generated and fill
It sets；
The lifting hook device includes hook mechanism and the swollen mouth mechanism of drag hook；The hook mechanism includes trombone slide 2；Trombone slide 2 is close to cone
One end of wedge 1B is provided with axial 2 or 2 with upper opening, preferably 4 openings；Wherein trombone slide 2 is tail portion connection, head
With the elastic construction of middle part radially subdivision, there is the cone wedge 1B that can make pull rod 1 to wedge and the taper hole of distending on trombone slide 2 head,
2 head configuration of trombone slide has the step being relatively large in diameter；Head is the cartridge type being closed to trombone slide 2 in a free state, when trombone slide 2 is closed
Head diameter is identical with tail diameter, is inserted into the rifle hole of oxygen rifle brick, when 2 head distending of trombone slide, the step energy on 2 head of trombone slide
Oxygen rifle brick is enough held, there is biggish bearing area, generates biggish outside pulling force, is particularly suitable for the pull-out compared with lancet hole；
2 tail portion of trombone slide has helicitic texture, can pass through helicitic texture and 3 connections of helping pull a cart.
The swollen mouth mechanism of drag hook includes pull rod 1；Pull rod 1 is one of head with cone wedge 1B and with elongated connecting rod 1A
Body structure；Pull rod be in trombone slide and with trombone slide coaxial cooperation；Cone wedge 1B is arranged in the outer end of trombone slide 2 and the small one end of diameter and leans on
The end face setting of nearly trombone slide 2；It, can be by the head distending of trombone slide 2 after the taper hole of the cone wedge 1B wedging trombone slide of pull rod 1.
The pull rod mobile mechanism further includes conversion sleeve 14, wire nail 15, pulling shaft 16, and wire nail 15 is being converted by screw threads for fastening
On set 14, wire nail 15 is fixed on pulling shaft 16 by annular capping 12, can produce mutual rotation between pulling shaft 16 and wire nail 15, is turned
Change set 14 and be equipped with first axis groove, the first axis groove on conversion sleeve 14 be fixed on the first pin 11 helped pull a cart on 3
Cooperation, for preventing conversion sleeve 14 from rotating；Pulling shaft 16 is equipped with the second axial groove, the second axial groove on pulling shaft 16
Left end be equipped with circumferential grooves, the second axial groove on pulling shaft 16 cooperates with the second spacer pin 13 helped pull a cart on 3 is fixed on, and makes
Pulling shaft 16 can move axially, when pulling shaft 16 moves to right the left side for making the second spacer pin 13 contact the second axial groove,
Pulling shaft 16 is rotated, so that the second spacer pin 13 is slid into the circumferential grooves on pulling shaft 16, prevents pulling shaft 16 from relative to 3 generation axis of helping pull a cart
To movement, and the cone wedge 1B of pull rod 1 is by the head distending of trombone slide 2 at this time, as shown in Figure 4.
Specifically, wire nail 15 includes bolt section and round head of a nail section；The bolt section of wire nail 15 is connect with conversion sleeve 14；Wire nail
15 round head of a nail section is arranged in the depressed area being arranged on 16 end face of pulling shaft by annular capping 12 and the circular staple of wire nail 15
Cap section can be with the coaxial relative rotation of pulling shaft 16.
The augmentor includes worm gear mechanism and gear and rack teeth mechanism；Wherein, worm gear mechanism, including worm screw
9, worm gear 7, worm screw 9 are fixedly connected with crank 10, and the both ends of worm screw 9 are fixedly connected with the cooperation of casing 6；By manually shaking crank 10
Worm screw 9 is rotated, worm gear 7 is driven to rotate, crank 10 reinforces the several times that pole length is worm screw diameter, there is certain reinforcing effect,
Worm Wheel System has biggish transmission ratio.In order to cooperate mate gear 8, yielding slot is provided on splicing sleeve 4.
The gear and rack teeth mechanism includes gear 8, rack gear 5, the linear motion for being changed into rack gear of worm gear 7, from
And pull rod is driven to move, brick movement is taken off in realization；Gear 8 is fixedly and coaxially connected with worm gear 7, and the both ends of gear 8 and worm gear 7 are by itself
The cooperation of axis and casing 6 be fixedly connected, rack gear 5, which is fixed at, helps pull a cart on 3；Crank 10 reinforces the number that pole length is worm screw diameter
Times, there is certain reinforcing effect, Worm Wheel System has biggish transmission ratio, and the diameter of worm gear 7 is the several times of 8 diameter of gear,
So having very big reinforcement effect by the augmentor that worm gear mechanism and gear and rack teeth mechanism form, reinforcement multiple can
It is very laborsaving when in use up to thousands of times.
The bracket 18 being equipped on splicing sleeve 4 on the wall brick for withstanding on oxygen rifle brick periphery in disassembly.The bracket 18 with
Splicing sleeve 4 is hinged.Bracket 18 can also be arranged on casing 6.
The course of work of the invention are as follows:
By in the oxygen rifle hole of lifting hook device of the present invention insertion oxygen rifle brick, bracket 18 is withstood on to the wall brick on oxygen rifle brick periphery
On, as shown in Figure 1；
Handle 17 is pulled, 1 right lateral of pull rod, the cone wedge 1B wedging on 1 head of pull rod are driven by pulling shaft 16, wire nail 15, conversion sleeve 14
In the taper hole of trombone slide 2, make 2 head step distending of trombone slide, when pull rod 1 enters the taper hole of trombone slide 2, the axial slide of pulling shaft 16 is touched
Then the second spacer pin 13 firmly helped pull a cart on 3 rotates pulling shaft 16, make the second spacer pin 13 enter pulling shaft 16 circumferential sliding slot and
Keep pull rod 1 and trombone slide 2 fixed, guarantees that 2 head step of trombone slide is in distending state；
Crank 10 is shaken, worm screw 9 is rotated, worm gear 7 is driven to rotate, the gear 8 and worm gear 7 being fixedly and coaxially connected rotate synchronously,
Band carry-over bar 5 and helping pull a cart 3 moves right, and the 2 head step of trombone slide of distending is made first to catch on the inner surface of oxygen rifle brick；Make hook mechanism
Continue to move right, generates the pulling force to oxygen rifle brick, deviate from oxygen rifle brick from the wall brick on periphery；
The circumferential sliding slot that handle 17 makes the second spacer pin 13 skid off pulling shaft 16 is rotated backward, then driving handle makes 1 left lateral of pull rod,
The cone wedge on 1 head of pull rod is deviate from from the taper hole of trombone slide 2, and trombone slide 2 is pulled out from the hole of oxygen rifle brick；
It is reversed to shake crank 10, so that lifting hook device is moved downward reset by augmentor；
The above movement is repeated, can carry out next oxygen rifle brick takes off brick operation.
In the present embodiment, pull rod mobile mechanism limits latch structure, in other embodiments, pull rod moving machine using pulling shaft
Structure can also use screw-rod structure, pull pull rod to make 2 distending of trombone slide by the rotation of screw rod.
It should be clear that: the angle of cone wedge 1B is 8 ° ~ 25 °.
Specific embodiment II: in use, since oxygen rifle brick in use can be gradually thinning, the thickness of brick without
Method specifically determines, can only be by the length of the thickness design hook mechanism of the maximum possible of brick when use, and when use all inserts it
Enter wall brick hole.Therefore take off brick process and will appear idle stroke, direct augmentor carries out drawing to take off that production efficiency can be reduced, and increases labour
Amount.
So such as Fig. 5 ~ 7, by the design seperated with worm gear 7 of gear 8 on the basis of structure in specific embodiment I, in gear
8 be coaxially disposed axis hole on worm gear 7, and spline is set in axis hole, wherein spline, lower part is arranged on the top of gear 8
For the circular hole greater than spline outer diameter, the spline on worm gear 7 is continuous spline, while interruption is equipped in axis hole
Property splined shaft 20；Splined shaft 20 and worm gear 7 are constantly in spline fitted state, when splined shaft 20 is in it is shown in fig. 5 upper when,
Splined shaft 20 and gear 8 are in meshing state, and when splined shaft 20 is in bottom, the spline of splined shaft 20 is slid into and the circle of gear 8
It can only opposite idle running in hole.
In other embodiments, it can also be cooperated using discontinuity splined shaft and worm gear 7, realize idle running and engagement.
State shown in Fig. 5, the spline of splined shaft 20 and the spline in 8 axis hole of gear cooperate.Splined shaft 20 and gear 8
It rotates coaxially, realizes the transmission of gear 8 and worm gear mechanism.In idle stroke, splined shaft 20 can be depressed, makes splined shaft 20
Splined shaft 8 in idle running area, with gear 8 is detached from, and pulls handle 17, and drag link mechanism right lateral is driven to be fast moved, complete
At idle stroke, working efficiency is promoted, only band moving gear rotates this hour rack.When taking off the reset of brick machine when needed, it can also depress
Splined shaft 20 drives drag link mechanism left lateral Rapid reset by handle 17.
The specific work process of the present embodiment is: the following steps are included:
A. by the brick hole of lifting hook device of the present invention insertion oxygen rifle brick, bracket 18 is withstood on to the wall brick on oxygen rifle brick periphery
On；
B. handle 17 is pulled, 1 right lateral of pull rod, the cone wedge 1B wedge on 1 head of pull rod are driven by pulling shaft 16, wire nail 15, conversion sleeve 14
In the taper hole for entering trombone slide 2, the axial slide of pulling shaft 16 touches the second spacer pin 13 helped pull a cart on 3, then, rotates pulling shaft 16, makes
Second spacer pin 13 enters the circumferential sliding slot of pulling shaft 16 and keeps pull rod 1 and trombone slide 2 fixed, and 2 head step of trombone slide is made to be in distending
State；
C. splined shaft 20 is depressed, splined shaft 20 is made to be in idle running area, is detached from the internal spline of gear 8, pulls handle 17, driven and draw
Linkage right lateral is fast moved, and completes idle stroke, the shoulder on 2 head of trombone slide is made to catch on wall brick inner surface；
D. splined shaft 20 is lifted, splined shaft 20 and the internal spline of gear 8 are engaged, crank 10 is rotated, by augmentor to drawing
Hook device applies active force, deviates from oxygen rifle brick from the wall brick on periphery；
E. the circumferential sliding slot that handle 17 makes the second spacer pin 13 skid off pulling shaft 16 is rotated backward, then driving handle keeps pull rod 1 left
Row, the cone wedge on 1 head of pull rod deviates from from the taper hole of trombone slide 2, makes pull rod necking, then by trombone slide 2 from the Kong Zhongla of oxygen rifle brick
Out；
F. splined shaft 20 is depressed, the internal spline of splined shaft 20 and gear 8 is detached from, pushing handle 17 drives drag link mechanism quickly left
Row resets；
G.. the above movement is repeated, can carry out next oxygen rifle brick takes off brick operation.
The present embodiment in other embodiments can also be with using the clutch of interruption matching spline axis control gear and worm gear
Using the method for other control gears and worm gear clutch.
The present embodiment can also use Planetary Gear Transmission in other embodiments using the supercharging mode of worm and gear
Or the supercharging mode of other large transmission ratios.
The foregoing is merely the preferred embodiment of invention, oneself, is not intended to limit the invention, all in spirit of the invention
With any modifications, equivalent replacements, and improvements made within principle etc., should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of take off brick machine manually, it is characterised in that: the brick machine of taking off manually includes filling for being inserted into the drag hook in oxygen rifle brick brick hole
It sets, the augmentor of pulling force can be applied to lifting hook device and enclose branch on brick for withstanding on oxygen rifle brick periphery in disassembly
Frame；When work, by the brick hole of lifting hook device insertion oxygen rifle brick, makes top of support enclosing on brick on oxygen rifle brick periphery, make drag hook
Shoulder distending, augmentor reinforcing make lifting hook device generate pulling force to the inner surface of oxygen rifle brick, by oxygen rifle brick be displaced outwardly to
It encloses and is clawed on brick.
2. one kind according to claim 1 takes off brick machine manually, it is characterised in that: lifting hook device includes hook mechanism and drag hook
Swollen mouth mechanism；The hook mechanism includes that head has step and taper hole, is able to carry out the elongated tubular construction of elastic bulging
Trombone slide；The swollen mouth mechanism of drag hook includes head with cone wedge and has the pull rod of elongated connecting rod and pull rod can be made mobile
Pull rod moving structure；The head step distending that can make hook mechanism by the swollen mouth mechanism of drag hook, makes step withstand oxygen rifle brick
Inner surface.
3. one kind according to claim 2 takes off brick machine manually, it is characterised in that: hook mechanism includes trombone slide；Trombone slide is tool
Have an elongated tubular construction of head, middle part and tail portion, the head of trombone slide have internal taper hole shape be step, trombone slide head and in
Portion has multiple notch, forms elastic construction.
4. one kind according to claim 2 takes off brick machine manually, it is characterised in that: drag hook is swollen, and mouth mechanism includes in trombone slide
And the pull rod with the setting of trombone slide coaxial cooperation, pull rod are that head has cone wedge and the integral structure with elongated connecting rod.
A kind of take off brick machine manually 5. according to claim 1, it is characterised in that: augmentor include worm gear mechanism and
Gear and rack teeth mechanism；Wherein worm screw connect with crank, shakes crank and worm gear mechanism rotation is driven to realize pressurization, passing through tooth
Wheel rackwork is changed into rotational motion the linear motion of lifting hook device, and brickwork work is taken off in realization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910196067.XA CN109870033B (en) | 2019-03-15 | 2019-03-15 | Manual brick raking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910196067.XA CN109870033B (en) | 2019-03-15 | 2019-03-15 | Manual brick raking machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109870033A true CN109870033A (en) | 2019-06-11 |
| CN109870033B CN109870033B (en) | 2019-12-31 |
Family
ID=66920500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910196067.XA Active CN109870033B (en) | 2019-03-15 | 2019-03-15 | Manual brick raking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109870033B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101760579A (en) * | 2008-12-24 | 2010-06-30 | 攀枝花新钢钒股份有限公司 | Fettling method for vanadium extracting converter |
| CN202062077U (en) * | 2011-01-04 | 2011-12-07 | 马鞍山钢铁股份有限公司 | Disassembling pull rod for steel ladle upper nozzle |
| CN203636730U (en) * | 2013-10-09 | 2014-06-11 | 中国石油化工股份有限公司 | Removal device for roller bit nozzle |
| CN204294914U (en) * | 2014-09-05 | 2015-04-29 | 新疆八一钢铁股份有限公司 | A kind of quick replacement device of ladle nozzle brick |
| CN205383892U (en) * | 2015-12-22 | 2016-07-13 | 河南豫光冶金机械制造有限公司 | Brick machine is taken off to metallurgical stove oxygen rifle brick |
-
2019
- 2019-03-15 CN CN201910196067.XA patent/CN109870033B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101760579A (en) * | 2008-12-24 | 2010-06-30 | 攀枝花新钢钒股份有限公司 | Fettling method for vanadium extracting converter |
| CN202062077U (en) * | 2011-01-04 | 2011-12-07 | 马鞍山钢铁股份有限公司 | Disassembling pull rod for steel ladle upper nozzle |
| CN203636730U (en) * | 2013-10-09 | 2014-06-11 | 中国石油化工股份有限公司 | Removal device for roller bit nozzle |
| CN204294914U (en) * | 2014-09-05 | 2015-04-29 | 新疆八一钢铁股份有限公司 | A kind of quick replacement device of ladle nozzle brick |
| CN205383892U (en) * | 2015-12-22 | 2016-07-13 | 河南豫光冶金机械制造有限公司 | Brick machine is taken off to metallurgical stove oxygen rifle brick |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109870033B (en) | 2019-12-31 |
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Effective date of registration: 20221222 Address after: 450000 Office on the whole floor of the fifth floor of Jiatian International Business, No. 67, Shangdu Road, Zhengdong New District, Zhengzhou, Henan Patentee after: Henan hongwo Agricultural Technology Co.,Ltd. Address before: 450000 94 nautical Middle Road, Zhengzhou, Henan Patentee before: HUANGHE S & T College |
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Effective date of registration: 20230406 Address after: 450000 94 nautical Middle Road, Zhengzhou, Henan Patentee after: HUANGHE S & T College Address before: 450000 Office on the whole floor of the fifth floor of Jiatian International Business, No. 67, Shangdu Road, Zhengdong New District, Zhengzhou, Henan Patentee before: Henan hongwo Agricultural Technology Co.,Ltd. |