CN202530133U - Lifting device of high-temperature orientation silicon steel electromagnetic induction heating furnace plate blank - Google Patents
Lifting device of high-temperature orientation silicon steel electromagnetic induction heating furnace plate blank Download PDFInfo
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- CN202530133U CN202530133U CN2012201384861U CN201220138486U CN202530133U CN 202530133 U CN202530133 U CN 202530133U CN 2012201384861 U CN2012201384861 U CN 2012201384861U CN 201220138486 U CN201220138486 U CN 201220138486U CN 202530133 U CN202530133 U CN 202530133U
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- lifting
- lifting frame
- guide wheel
- lifting device
- hydraulic cylinder
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Abstract
The utility model provides a lifting device of a high-temperature orientation silicon steel electromagnetic induction heating furnace plate blank and belongs to the technical field of industrial furnaces. The lifting device comprises a lifting frame (1), a lifting hydraulic cylinder (2), a pulley gear (3), a bob-weight device (4), a guide wheel with rim (5), a flat guide wheel (6), a guide rail (7), an upper safety pin device (8), a lower safety pin device (9), a proximity switch (10), a displacement sensor (11) and a seal cutter (12). The lifting device has the advantages of being simple in structure, convenient to install, stable and reliable in operation when working on the conditions of large span and heavy load , convenient to install and maintain, and is a lifting device special for entering and exiting the furnace of the high-temperature orientation silicon steel electromagnetic induction heating furnace plate blank.
Description
Technical field
The utility model belongs to the industrial furnace technology field, particularly a kind of high temperature oriented silicon steel electromagnetic induction heating furnace slab lifting device.
Background technology
Produce high-quality oriented silicon steel mature and stable process system and temperature schedule must be arranged.In the hot-rolled heating technology system following two kinds of operational paths are arranged at present:
(1) the blank plates of silicon steels slow cooling in the holding pit of packing into reinstalls in the process furnace during greater than 250 ℃ in the base temperature and to heat, and after process furnace preheating, heating, soaking operation, comes out of the stove with 1380 ± 10 ℃ of temperature, and feed mill is rolled.
(2) blank plates of silicon steels earlier is heated to about 1250 ℃ and comes out of the stove in walking beam furnace, after rolling two passages of roughing mill, after being heated to 1380 ± 10 ℃ in 1100 ℃ of electromagnetic induction heating furnaces of packing into, comes out of the stove again, gets into milling train and is rolled.
Wherein operational path (1) is comparison tradition and conventional technological line; The technology comparative maturity; Domestic and international most of silicon steel manufacturing enterprise all takes this operational path, but takes this operational path shortcoming to be: silicon steel base oxidization burning loss in heating process in the stove is serious, and lumber recovery is low; Stove is repaiied the frequency height, yields poorly; Fuel consumption is many; Furnace campaign is short; Manufacturing cost is high; Surface defects of products is many.Operational path (2) is an oriented silicon steel heating state-of-the-art technology; This technological successful Application is on the oriented silicon steel production line; Make the end product quality iron loss reduce by 3～4%, magnetic induction density increases substantially, and the phenomenon reduction is split on the limit in the operation of rolling; Oxidization burning loss obviously reduces in the heat-processed, has remarkable economic efficiency and social benefit.The slab lifting device is as electromagnetic induction furnace blank dress, the Special Hoisting Equipment of coming out of the stove, and research, development and application the utlity model has significance.
Summary of the invention
The purpose of the utility model is to provide a kind of high temperature oriented silicon steel electromagnetic induction heating furnace slab lifting device.
The utility model comprises: lifting frame, lifting hydraulic cylinder, pulley gear, counter weight device, belt wheel edge guide wheel, flat guide wheel, guide rail, go up the shearing pin device, down the shearing pin device, near switch, displacement sensor and sealing cutter.Be connected for bearing pin between lifting frame and the lifting hydraulic cylinder; Lifting hydraulic cylinder is installed on the electromagnetic induction furnace table framework, through the lifting hydraulic cylinder up and-down movement, realizes the functional requirement that slab is vertically adorned, come out of the stove; Pulley gear is installed in the table frame upper surface; Counter weight device is connected with lifting frame through wireline, and through pulley gear along with lifting frame is done up and-down movement together; Belt wheel edge guide wheel is in the lifting frame both sides, and motion is led to lifting frame; Flat guide wheel is in the lifting frame both sides, and motion is led to lifting frame; Guide rail is at table column sidepiece, with belt wheel edge guide wheel peace guide wheel to lifting frame motion lead; Last shearing pin device is at the table frame side, when slab lifting device during in upper maintenance, carries out safeguard protection; Following shearing pin device is installed in table column sidepiece, when slab lifting device during in the next maintenance, carries out safeguard protection; End positions near shearing pin device on the switch correspondence and following shearing pin device is installed on the table, when slab lifting device during in upper or the next maintenance, the safety interlocking guard signal is provided; Displacement sensor is inner at lifting hydraulic cylinder, for the lifting hydraulic cylinder up and-down movement provides displacement signal and acceleration and deceleration motion signal; The sealing cutter is at the lifting frame upper surface, when the slab lifting device by the next be elevated to upper after, the sealing cutter inserts in the table watertight chest, constitutes tightness system with ceramic fiber blanket in the watertight chest, prevents that N2 leaks in the stove.
Lifting frame is the box beam structure that steel plate is welded into, and box beam adopts two web structure, machining moulding; Establish 10 square holes in the middle of on two webs, square hole is of a size of 560 * 260mm, and 2 square holes are respectively established at two ends; The hole, side is of a size of 200 * 200mm, and its effect one is to be convenient to induction furnace siege column tube install, safeguard, and the 2nd, slab lifting gear operating ambient temperature is high; Be convenient to the box frame heat radiation, prevent box deformation; Simultaneously, the steel plate of the box beam pre-bending 6～8mm that makes progress, when the slab lifting gear promotes slab, the stressed downwarp 6～8mm of whole lift frame, lifting frame becomes a horizontal plane, and slab is stressed evenly.
The counterweight amount of counter weight device be lifting frame with the weight of the siege that is installed on it with.When lifting device was unloaded, lifting hydraulic cylinder was without power output, and lifting device is realized dead-weight balanced.The slab lifting device is provided with counter weight device, not only can reduce the capacity of lifting hydraulic cylinder cylinder diameter and hydraulicefficiency system, and improves the up-down stationarity and the working reliability of slab lifting device.
Belt wheel edge guide wheel is arranged on end two upper lateral parts about lifting frame, totally 4; Simultaneously, establish 5～8mm slit between the wheel rim groove of belt wheel edge guide wheel and the boss of guide rail, prevent slab lifting device front, rear, left and right sideslip and rock.
Flat guide wheel is arranged on end two upper lateral parts about lifting frame, totally 4.
The advantage of the utility model is:
1,4 belt wheel edge guide wheels and 4 box-like guiding mechanisms of flat guide wheel group of adopting; When avoiding adopting 8 belt wheel edge guide wheels full the slab lifting device because of about to promote hydro-cylinder up-down displacement asynchronous bigger than normal; Cause belt wheel edge guide wheel and guide rail " stuck " phenomenon; The slab lifting device is bigger than normal because of left and right sides load when simultaneously also avoiding adopting 8 flat guide wheels, the double swerve phenomenon occurs.
2, structural shape is brief, easy for installation, under the condition of large span heavy duty, works, and it is reliable, convenient for installation and maintenance to operate steadily, and is the Special Hoisting Equipment that high temperature oriented silicon steel electromagnetic induction heating furnace slab goes out, goes into stove.
Description of drawings
Fig. 1 is the front view of the utility model.Wherein, lifting frame 1, lifting hydraulic cylinder 2, pulley gear 3, counter weight device 4, belt wheel edge guide wheel 5, flat guide wheel 6, go up shearing pin device 8, down shearing pin device 9, near switch 10, displacement sensor 11, sealing cutter 12.
Fig. 2 is the vertical view of the utility model.Wherein, lifting frame 1, lifting hydraulic cylinder 2, pulley gear 3, go up shearing pin device 8, near switch 10, sealing cutter 12.
Fig. 3 is the A-A sectional view of the utility model.Wherein, lifting frame 1, guide rail 7, sealing cutter 12.
Fig. 4 is the B-B sectional view of the utility model.Wherein, guide rail 7, go up shearing pin device 8, down shearing pin device 9, near switch 10.
Fig. 5 is the C-C sectional view of the utility model.Wherein, lifting hydraulic cylinder 2, belt wheel edge guide wheel 5, flat guide wheel 6, guide rail 7, displacement sensor 11.
Fig. 6 is the D-D sectional view of the utility model.Wherein, lifting frame 1, belt wheel edge guide wheel 5, guide rail 7, sealing cutter 12.
Embodiment:
Fig. 1-Fig. 6 is a kind of embodiment of the utility model.
The utility model comprises: lifting frame 1, lifting hydraulic cylinder 2, pulley gear 3, counter weight device 4, belt wheel edge guide wheel 5, flat guide wheel 6, guide rail 7, go up shearing pin device 8, down shearing pin device 9, near switch 10, displacement sensor 11 and sealing cutter 12.Be connected for bearing pin between lifting frame 1 and the lifting hydraulic cylinder 2; Lifting hydraulic cylinder 2 is installed on the electromagnetic induction furnace table framework, through lifting hydraulic cylinder 2 up and-down movement, realizes the functional requirement that slab is vertically adorned, come out of the stove; Pulley gear 3 is installed in the table frame upper surface; Counter weight device 4 is connected with lifting frame 1 through wireline, and through pulley gear 3 along with lifting frame 1 is done up and-down movement together; Belt wheel edge guide wheel 5 is in lifting frame 1 both sides, and 1 motion is led to lifting frame; Flat guide wheel 6 is in lifting frame 1 both sides, and 1 motion is led to lifting frame; Guide rail 7 leads with 1 motion of 6 pairs of lifting frames of belt wheel edge guide wheel 5 peaceful guide wheels at table column sidepiece; Last shearing pin device 8 is at the table frame side, when slab lifting device during in upper maintenance, carries out safeguard protection; Following shearing pin device 9 is installed in table column sidepiece, when slab lifting device during in the next maintenance, carries out safeguard protection; Be installed on the table near the corresponding end positions that go up shearing pin devices 8 and following shearing pin device 9 of switch 10,, the safety interlocking guard signal be provided when slab lifting device during in upper or the next maintenance; Displacement sensor 11 is in lifting hydraulic cylinder 2 inside, for lifting hydraulic cylinder 2 up and-down movement provide displacement signal and acceleration and deceleration motion signal; Sealing cutter 12 is at lifting frame 1 upper surface, when the slab lifting device by the next be elevated to upper after, sealing cutter 12 inserts in the table watertight chests, constitutes tightness system with ceramic fiber blanket in the watertight chest, prevents N in the stove
2Leak.
The box beam structure that lifting frame 1 is welded into for steel plate, box beam adopt two web structure, machining moulding; Establish hole, 10 560 * 260mm sides in the middle of on two webs; Hole, 2 200 * 200mm sides is respectively established at two ends, and its effect one is to be convenient to induction furnace siege column tube install, safeguard, and the 2nd, slab lifting gear operating ambient temperature is high; Be convenient to the box frame heat radiation, prevent box deformation; Simultaneously, the steel plate of the box beam pre-bending 8mm that makes progress, when the slab lifting gear promotes slab, the stressed downwarp 8mm of whole lift frame, 1 one-tenths one horizontal plane of lifting frame, slab is stressed even.
Every platen base lifting device each side is provided with 1 lifting hydraulic cylinder, lifting hydraulic cylinder stroke 3300mm, working stroke 3085mm.The piston motion of the up-down of slab through lifting hydraulic cylinder 2 realize, the acceleration of slab lifting device starts and slows down and stops to be controlling through the displacement signal of displacement sensor 11 feedbacks that the aperture of hydraulicefficiency system electromagnetic proportional valve realizes.
Pulley gear 3 comprises pulley, bearing and plumer block etc., and every platen base lifting device each side disposes 1 cover, as the carriage of counter weight device 4 up-downs.
Counter weight device 4 comprises balancing weight, union lever, bearing pin etc., the counterweight amount of counter weight device 4 be the lifting frame 1 and the siege that is installed on it weight with.When lifting device was unloaded, lifting hydraulic cylinder was without power output, and lifting device is realized dead-weight balanced.The slab lifting device is provided with counter weight device 4, not only can reduce the capacity of lifting hydraulic cylinder cylinder diameter and hydraulicefficiency system, and improves the up-down stationarity and the working reliability of slab lifting device.
Belt wheel edge guide wheel 5 comprises bearing, wheel rim guide roller, axle sleeve and bearing pin etc., is arranged on lifting frame about 1 ends two upper lateral parts, totally 4; Simultaneously; Establish the 5mm slit between the wheel rim groove of belt wheel edge guide wheel 5 and the boss of guide rail 7, promote the asynchronous displacement difference≤100mm of hydro-cylinder about needing only, in the time of the up and-down movement of slab lifting device can not occurring; " jam " phenomenon takes place in the wheel rim of belt wheel edge guide wheel 5 and guide rail 7 boss; And 2 lifting hydraulic cylinder synchronization accuracy≤10mm of slab lifting device system control, when preventing also simultaneously that the slab lifting device from going up and down the front, rear, left and right sideslip with rock, so slab jacking equipment working stability is reliable.
Last shearing pin device 8 comprises shearing pin, bearing, retaining ring, spanner etc., and slab lifting device right ends respectively is provided with 1, when slab lifting device during in upper maintenance, carries out safeguard protection.
Following shearing pin device 9 comprises shearing pin, bearing, retaining ring, spanner etc., and slab lifting device right ends respectively is provided with 1, when slab lifting device during in the next maintenance, carries out safeguard protection.
Be installed on the table near switch 10 corresponding upper and lower shearing pin positions, every platen base lifting device is provided with 4, when slab lifting device during in upper or the next maintenance, the safety interlocking guard signal is provided.
Claims (5)
1. high temperature oriented silicon steel electromagnetic induction heating furnace slab lifting device; It is characterized in that, comprise lifting frame (1), lifting hydraulic cylinder (2), pulley gear (3), counter weight device (4), belt wheel edge guide wheel (5), flat guide wheel (6), guide rail (7), go up shearing pin device (8), down shearing pin device (9), near switch (10), displacement sensor (11) with seal cutter (12); Be connected for bearing pin between lifting frame (1) and the lifting hydraulic cylinder (2); Lifting hydraulic cylinder (2) is installed on the electromagnetic induction furnace table framework; Pulley gear (3) is installed in the table frame upper surface; Counter weight device (4) is connected with lifting frame (1) through wireline; Belt wheel edge guide wheel (5) is in lifting frame (1) both sides; Flat guide wheel (6) is in lifting frame (1) both sides; Guide rail (7) is at table column sidepiece; Last shearing pin device (8) is at the table frame side; Following shearing pin device (9) is at table column sidepiece; End positions near shearing pin device (8) and following shearing pin device (9) on switch (10) correspondence is installed on the table; Displacement sensor (11) is in lifting hydraulic cylinder (2) inside; Sealing cutter (12) is at lifting frame (1) upper surface.
2. device according to claim 1; It is characterized in that the box beam structure that described lifting frame (1) is welded into for steel plate, box beam adopt two web structure; Establish 10 square holes in the middle of on two webs; The hole, side is of a size of 560 * 260mm, and 2 square holes are respectively established at two ends, and square hole is of a size of 200 * 200mm; Simultaneously, the steel plate of the box beam pre-bending 6～8mm that makes progress.
3. device according to claim 1 is characterized in that, the counterweight amount of described counter weight device (4) be the lifting frame (1) and the siege that is installed on it weight with.
4. device according to claim 1 is characterized in that, described belt wheel edge guide wheel (5) is arranged on end two upper lateral parts about lifting frame (1), totally 4; Simultaneously, establish 5～8mm slit between the boss of the wheel rim groove of belt wheel edge guide wheel (5) and guide rail (7).
5. device according to claim 1 is characterized in that, described flat guide wheel (6) is arranged on end two upper lateral parts about lifting frame (1), totally 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201384861U CN202530133U (en) | 2012-04-01 | 2012-04-01 | Lifting device of high-temperature orientation silicon steel electromagnetic induction heating furnace plate blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201384861U CN202530133U (en) | 2012-04-01 | 2012-04-01 | Lifting device of high-temperature orientation silicon steel electromagnetic induction heating furnace plate blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202530133U true CN202530133U (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201384861U Expired - Lifetime CN202530133U (en) | 2012-04-01 | 2012-04-01 | Lifting device of high-temperature orientation silicon steel electromagnetic induction heating furnace plate blank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202530133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418621A (en) * | 2013-08-15 | 2013-12-04 | 北京首钢国际工程技术有限公司 | Blanking and discharging device for oriented silicon steel electromagnetic induction furnace and control method |
| CN110779331A (en) * | 2019-11-27 | 2020-02-11 | 特诺恩技术（天津）有限公司 | Dynamic sealing structure for bottom of walking beam type heat treatment furnace |
-
2012
- 2012-04-01 CN CN2012201384861U patent/CN202530133U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418621A (en) * | 2013-08-15 | 2013-12-04 | 北京首钢国际工程技术有限公司 | Blanking and discharging device for oriented silicon steel electromagnetic induction furnace and control method |
| CN103418621B (en) * | 2013-08-15 | 2015-04-15 | 北京首钢国际工程技术有限公司 | Blanking and discharging device for oriented silicon steel electromagnetic induction furnace and control method |
| CN110779331A (en) * | 2019-11-27 | 2020-02-11 | 特诺恩技术（天津）有限公司 | Dynamic sealing structure for bottom of walking beam type heat treatment furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121114 |
|
| CX01 | Expiry of patent term |