CN112708729B - Mechanism convenient to VD stove adds tombarthite alloy - Google Patents
Mechanism convenient to VD stove adds tombarthite alloy Download PDFInfo
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- CN112708729B CN112708729B CN202011516059.8A CN202011516059A CN112708729B CN 112708729 B CN112708729 B CN 112708729B CN 202011516059 A CN202011516059 A CN 202011516059A CN 112708729 B CN112708729 B CN 112708729B
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- rare earth
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0006—Adding metallic additives
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses a mechanism convenient for a VD furnace to add rare earth alloy, which comprises a lifting mechanism, wherein the upper end of the lifting mechanism is connected with a support column (1), the outer part of the support column (1) is connected with a guide mechanism, the upper end of the support column (1) is connected with a swing arm (2), and the end part of the swing arm (2) is connected with a rare earth material tank (3). The invention can realize the control lifting and horizontal rotation of the rare earth charging bucket, further can replace the manual work to realize the feeding of the rare earth charging bucket, and has the characteristics of low labor intensity and high safety of workers.
Description
Technical Field
The invention relates to a VD furnace, in particular to a mechanism convenient for the VD furnace to add rare earth alloy.
Background
In order to improve various performances of wear resistance, toughness and the like of steel, rare earth alloy is added into molten steel in the conventional VD furnace during smelting. In order to avoid the oxidation of the rare earth elements, the rare earth alloy is sealed by a charging bucket when being added; when the rare earth alloy charging bucket is placed, the charging bucket is directly immersed into molten steel, the molten steel is utilized to melt the charging bucket, and the rare earth alloy is contacted with the molten steel, so that alloying effect is realized. However, the existing rare earth alloy feeding method generally needs manual operation, and the operation intensity of workers is high. In addition, because the temperature of the operation site is higher, the operator can feel strong discomfort during adding, and the hidden danger of falling exists, so that the safe operation of the operator is not facilitated. Therefore, the existing feeding mode of the rare earth alloy has the problems of high labor intensity of workers and low safety.
Disclosure of Invention
The invention aims to provide a mechanism for conveniently adding rare earth alloy into a VD furnace. The device has the characteristics of low labor intensity and high safety.
The technical scheme of the invention is as follows: the utility model provides a mechanism convenient to VD stove adds tombarthite alloy, includes elevating system, and elevating system's upper end is connected with the support column, and support column external connection has guiding mechanism, and the upper end of support column is connected with the swing arm, and the end connection of swing arm has the tombarthite material jar.
In the mechanism convenient for adding rare earth alloy into the VD furnace, the lifting mechanism comprises a telescopic part formed by sequentially connecting a plurality of hinged parts, two ends of the telescopic part are connected with mounting parts, the hinged parts comprise two first hinged plates which are arranged in a left-right crossing manner and rotatably connected in the middle, and the end parts of the two first hinged plates are respectively rotatably connected with the two first hinged plates of the adjacent hinged parts; the end part of the first hinged plate of one hinged part is connected with an electro-hydraulic push rod.
In the mechanism for conveniently adding the rare earth alloy into the VD furnace, the mounting part comprises two second hinged plates, one ends of the two second hinged plates are connected with each other, and the other ends of the two second hinged plates are respectively connected with the two first hinged plates of the adjacent hinged parts.
In the mechanism facilitating addition of the rare earth alloy into the VD furnace, the guide mechanism comprises a guide support, a sleeve hole is formed in the middle of the guide support, a plurality of guide wheel sets are rotatably connected to the side wall of the guide support, and each guide wheel set comprises a plurality of guide wheels which are annularly distributed on the periphery of the guide support; the lower end of the supporting column penetrates through the sleeve hole to be connected with the lifting mechanism, and the side wall of the supporting column is attached to the guide wheel.
In the aforesaid mechanism for facilitating VD stove adds tombarthite alloy, the upper end of support column is through driving motor connection swing arm.
In the aforesaid mechanism convenient to VD stove adds tombarthite alloy, the tip of swing arm is equipped with the bayonet socket device, and the tip of bayonet socket device can be dismantled and be connected with the round steel, and the round steel outer end welds each other with the tombarthite material jar.
In the aforesaid be convenient for VD stove adds rare earth alloy's mechanism, the bayonet socket device is located the upper end of swing arm, the round steel passes the swing arm and connects the rare earth material jar that is located the swing arm lower extreme.
In the aforesaid be convenient for VD stove adds rare earth alloy's mechanism, still including the operation platform that is located VD stove one side, guiding mechanism's external connection operation platform, the minimum height at swing arm top is higher than operation platform 1 ~ 1.5 meters.
Compared with the prior art, the invention has the following characteristics:
(1) the invention can drive the swing arm to lift along the vertical direction through the structural matching of the guide mechanism and the support column; through the matching of the swing arm and the driving motor, the swing arm can rotate at the support column at a uniform speed, and the function of putting the rare earth material tank is further realized; under the cooperation, the rare earth charging bucket can replace manual work to put in the rare earth charging bucket, so that the situation that an operator approaches a VD furnace is avoided, the labor intensity of workers is reduced, and the safety of the workers is improved;
(2) by optimizing the structure of the lifting mechanism, the reciprocating lifting action of the lifting mechanism can be realized through the extension and retraction of the electro-hydraulic push rod, and the specific height of the swing arm can be adjusted according to the extension length of the electro-hydraulic push rod, so that the control of the swing arm at any height position is realized, and the control stability of the swing arm is improved;
(3) according to the invention, through the structural optimization of the guide mechanism, the limit of the supporting column in the non-height direction can be realized, so that the supporting column is prevented from being stressed and inclined, and the swinging arm can be kept in a horizontal state after being installed; under the effect, the lifting mechanism can avoid lateral pressure caused by the supporting column, so that the stress strength required by the lifting mechanism is reduced and the stability of the lifting mechanism is improved; on the basis, the connecting structure of the first hinged plate and the second hinged plate is optimized, and compared with the existing shear type lifting mechanism, the transmission structure of the lifting mechanism can be effectively simplified, so that the structural complexity and the overall weight of the lifting mechanism are reduced, and the equipment cost is saved;
(4) according to the invention, the bayonet device is matched with the round steel, so that the rare earth charging bucket can be conveniently installed and put in, and when the rare earth charging bucket is lifted in place, the bayonet device can put the round steel and the rare earth charging bucket into molten steel together, so that the round steel and the rare earth charging bucket can be melted together by the molten steel, and the stable addition of rare earth is completed; the stability and the safety of the rare earth feeding are effectively improved;
therefore, the invention has the characteristics of low labor intensity and high safety.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of fig. 1 from a.
The labels in the figures are: the device comprises a support column 1, a swing arm 2, a rare earth material tank 3, a hinge part 4, a telescopic part 5, a mounting part 6, an electro-hydraulic push rod 7, a guide support 8, a guide wheel 9, a driving motor 10, a bayonet device 11, round steel 12, an operating platform 13, a first hinge plate 401 and a second hinge plate 601.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Examples are given. The utility model provides a mechanism convenient to VD stove adds rare earth alloy, constitutes as shown in figure 1, including elevating system, elevating system's upper end is connected with support column 1, and support column 1 external connection has guiding mechanism, and the upper end of support column 1 is connected with swing arm 2, and the end connection of swing arm 2 has rare earth material jar 3.
The lifting mechanism comprises a telescopic part 5 formed by sequentially connecting a plurality of hinge parts 4, two ends of the telescopic part 5 are connected with mounting parts 6, each hinge part 4 comprises two first hinge plates 401, the two first hinge plates 401 are arranged in a left-right crossing manner and are rotatably connected in the middle, and the end parts of the two first hinge plates 401 are respectively rotatably connected with the two first hinge plates 401 of the adjacent hinge parts 4; the end part of the first hinge plate 401 of one hinge part 4 is connected with an electro-hydraulic push rod 7, and the electro-hydraulic push rod 7 can be selected from a DYTTI 1000-420-50/s type electro-hydraulic push rod.
The mounting portion 6 includes two second hinge plates 601, one ends of the two second hinge plates 601 are connected to each other, and the other ends of the two second hinge plates 601 are respectively connected to the two first hinge plates 401 of the adjacent hinge portions 4.
The guide mechanism comprises a guide support 8, a sleeve hole is formed in the middle of the guide support 8, a plurality of guide wheel sets are rotatably connected to the side wall of the guide support 8, each guide wheel set comprises a plurality of guide wheels 9 annularly distributed on the periphery of the guide support 8, and a tensioning mechanism is arranged outside each guide wheel 9; the lower end of the support column 1 penetrates through the sleeve hole to be connected with the lifting mechanism, and the side wall of the support column 1 is attached to the guide wheel 9.
The upper end of the supporting column 1 is connected with a swing arm 2 through a driving motor 10, the rotation angle of the swing arm 2 is 120 degrees, and the driving motor 10 can be selected from a JWPEDO 7O-120-0.37KW type speed reducer.
The tip of swing arm 2 is equipped with bayonet device 11, and bayonet device 11 optional conventional chuck or gripper, and bayonet device 11's tip can be dismantled and be connected with round steel 12, and the round steel 12 outer end welds each other with tombarthite bucket 3.
The bayonet device 11 is located at the upper end of the swing arm 2, and the round steel 12 penetrates through the swing arm 2 and is connected with the rare earth charging bucket 3 located at the lower end of the swing arm 2.
Still include the operation platform 13 that is located VD stove one side, guiding mechanism's external connection operation platform 13, the minimum height at 2 tops of swing arm is higher than operation platform 131 ~ 1.5 meters.
The working principle of the invention is as follows: when the device is used, an operator firstly rotates the swing arm 2 to one side of the VD furnace, and simultaneously the electro-hydraulic push rod 7 extends out to enable the swing arm 2 to descend to a low position; then the rare earth charging bucket 3 welded with the round steel 12 is installed on the bayonet device 11. After the rare earth material tanks 3 are connected, the electro-hydraulic push rod 7 contracts and drives the first hinge plates 401 to rotate, so that the mounting parts 6 at the upper ends of the lifting mechanisms drive the supporting columns 1 to lift upwards. The supporting column 1 is limited by the guide wheels 9 on the two sides when lifted, so that the supporting column 1 is kept in a vertical state. After the support column 1 rises to the high position, the drive motor 10 drives the swing arm 2 to horizontally rotate, so that the rare earth material tank 3 is positioned right above the VD furnace after rotating. After the rare earth charging bucket 3 rotates to the right position, the electro-hydraulic push rod 7 contracts to drive the swing arm 2 to descend, and the bayonet device 11 is loosened to enable the rare earth charging bucket 3 to directly fall into molten steel after the rare earth charging bucket descends to the right position. The rare earth charging bucket 3 enters the bottom of the molten steel after falling, and the round steel 12 and the rare earth charging bucket 3 are melted in the molten steel, so that the rare earth is stably put in.
Claims (5)
1. The utility model provides a mechanism convenient to VD stove adds tombarthite alloy which characterized in that: the rare earth charging bucket comprises a lifting mechanism, wherein the upper end of the lifting mechanism is connected with a supporting column (1), the outside of the supporting column (1) is connected with a guide mechanism, the upper end of the supporting column (1) is connected with a swinging arm (2), and the end part of the swinging arm (2) is connected with a rare earth charging bucket (3); the upper end of the supporting column (1) is connected with the swinging arm (2) through a driving motor (10); the end part of the swing arm (2) is provided with a bayonet device (11), the end part of the bayonet device (11) is detachably connected with round steel (12), and the outer end of the round steel (12) is welded with the rare earth charging bucket (3); the bayonet device (11) is located at the upper end of the swing arm (2), and the round steel (12) penetrates through the swing arm (2) and is connected with the rare earth charging bucket (3) located at the lower end of the swing arm (2).
2. The mechanism for facilitating rare earth alloy addition for the VD furnace of claim 1, wherein: the lifting mechanism comprises a telescopic part (5) formed by sequentially connecting a plurality of hinged parts (4), two ends of the telescopic part (5) are connected with mounting parts (6), each hinged part (4) comprises two first hinged plates (401), the two first hinged plates (401) are arranged in a left-right crossing mode and are rotatably connected in the middle, and the end parts of the two first hinged plates (401) are respectively rotatably connected with the two first hinged plates (401) of the adjacent hinged parts (4); an electro-hydraulic push rod (7) is connected to the end of a first hinge plate (401) of one hinge part (4).
3. The mechanism for facilitating rare earth alloy addition for the VD furnace of claim 2, wherein: the mounting part (6) comprises two second hinge plates (601), one ends of the two second hinge plates (601) are connected with each other, and the other ends of the two second hinge plates (601) are respectively connected with the two first hinge plates (401) of the adjacent hinge parts (4).
4. The mechanism for facilitating rare earth alloy addition for the VD furnace of claim 1, wherein: the guide mechanism comprises a guide support (8), a sleeve hole is formed in the middle of the guide support (8), a plurality of guide wheel sets are rotatably connected to the side wall of the guide support (8), and each guide wheel set comprises a plurality of guide wheels (9) which are annularly distributed on the periphery of the guide support (8); the lower end of the support column (1) penetrates through the sleeve hole to be connected with the lifting mechanism, and the side wall of the support column (1) is attached to the guide wheel (9) mutually.
5. The mechanism for facilitating rare earth alloy addition for the VD furnace of claim 1, wherein: still including being located operating platform (13) of VD stove one side, guiding mechanism's external connection operating platform (13), the minimum height at swing arm (2) top is higher than operating platform (13)1 ~ 1.5 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011516059.8A CN112708729B (en) | 2020-12-21 | 2020-12-21 | Mechanism convenient to VD stove adds tombarthite alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011516059.8A CN112708729B (en) | 2020-12-21 | 2020-12-21 | Mechanism convenient to VD stove adds tombarthite alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112708729A CN112708729A (en) | 2021-04-27 |
| CN112708729B true CN112708729B (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011516059.8A Active CN112708729B (en) | 2020-12-21 | 2020-12-21 | Mechanism convenient to VD stove adds tombarthite alloy |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102021468B (en) * | 2010-10-25 | 2013-01-23 | 天津市万路科技有限公司 | Smokeless spheroidizing method |
| CN102399943A (en) * | 2011-12-06 | 2012-04-04 | 河北钢诺金属制品有限公司 | Method for reducing sulfur content of grinding ball molten steel and device for implementing method |
| CN110616293B (en) * | 2019-10-18 | 2024-05-28 | 山东钢铁集团有限公司 | Method for adding rare earth into molten steel |
| CN111057948A (en) * | 2019-12-14 | 2020-04-24 | 石家庄钢铁有限责任公司 | Narrow-range production control method for rare earth elements La and Ce in rare earth bearing steel |
| CN111232451B (en) * | 2020-03-17 | 2022-04-05 | 江西盛源新材料有限公司 | Powder material feeding device |
| CN111286760A (en) * | 2020-04-07 | 2020-06-16 | 江苏金石稀土有限公司 | Cathode adjusting device for rare earth molten salt electrolytic furnace |
| CN214298984U (en) * | 2020-12-21 | 2021-09-28 | 湖州盛特隆金属制品有限公司 | VD furnace adds tombarthite alloy elevating gear |
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