CN203295532U - Blast furnace top distributing gear - Google Patents
Blast furnace top distributing gear Download PDFInfo
- Publication number
- CN203295532U CN203295532U CN2013202602162U CN201320260216U CN203295532U CN 203295532 U CN203295532 U CN 203295532U CN 2013202602162 U CN2013202602162 U CN 2013202602162U CN 201320260216 U CN201320260216 U CN 201320260216U CN 203295532 U CN203295532 U CN 203295532U
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- Prior art keywords
- rotor
- rotating
- worm
- chute
- gear
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- Expired - Lifetime
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- Blast Furnaces (AREA)
Abstract
The utility model discloses a blast furnace top distributing gear which mainly comprises a distributing gear casing, a rotating cylinder, a chute, a rotating mechanism and a tilting mechanism, wherein in the distributing gear casing, the chute of the distributing gear is suspended to the lower end of the rotating cylinder; an outer annular wall of the bottom of the rotating cylinder stretches into the rotating chute and can rotate in the rotating chute; the rotating mechanism mainly comprises an upper slewing bearing, a middle slewing bearing and a lower slewing bearing which are arranged on the periphery of the rotating cylinder; the upper slewing bearing is driven by a rotary motor; the tilting mechanism mainly comprises a tilting motor and worm and gear mechanisms arranged between the distributing gear casing and the rotating cylinder, and the worm and gear mechanisms are driven by the tilting motor. Non-coupling transmission is adopted, the internal structure of a distributing gear gearbox is simplified, the structure is simple, and stability and reliability are realized; meanwhile, since the upper part of the space is larger, the space for a water-cooling rotating connector and a water-cooling part can be reserved, and the expandability and adaptability are strong; worm wheels have the self-locking function, so that the stability of the tilting mechanism is ensured.
Description
Technical field
The utility model relates to the blast furnace top equipment technical field, is specifically related to a kind of novel blast-furnace top distributing device device.
Technical background
Blast furnace ironmaking is the Main Means that present China obtains the pig iron, and distributor is the key equipment of iron-smelting blast furnace furnace roof, realizes the iron-smelting raw material spreading requiring cloth even in the circular flat domestic demand in furnace chamber, must not occur piling up.Present domestic large blast furnace adopts more PW distributor, rotation and swing that this distributor adopts comparatively complicated planetary gears and mixing box to control chute, and expensive; In order to overcome the complicacy of PW distributor wheel casing, also there is recently distributor to adopt the mode of electric decoupling zero, greatly simplified the internal structure of wheel casing, but the problem of also having brought the solid of revolution bottom to rock simultaneously, particularly current energy-saving and emission-reduction require, under more and more higher overall situation, to require blast furnace hot charging material loading, therefore must reserve the space of water-cooling swivel joint and water-cooled part, the internal structure of original distributor can be more complicated, and weight also can further increase.
The utility model content
The technical problems to be solved in the utility model is: a kind of blast-furnace top distributing device is provided, simplifies energetically the internal structure of distributor wheel casing, and simple in structure, reliable and stable.
The utility model, for solving the problems of the technologies described above, adopts following technical scheme:
Blast-furnace top distributing device, mainly comprise distributor housing, rotor, chute and rotating mechanism and tilting mechanism; In the distributor housing, the chute of distributor hangs on the lower end of rotor; The bottom external annulus of rotor stretches into and rotates in groove and can in rotating groove, rotate; It is characterized in that: rotating mechanism mainly comprises top rotating bearing, middle part rotating bearing and the bottom rotating bearing of rotor periphery, and the top rotating bearing is driven by rotating machine; Tilting mechanism mainly comprises tilting motor and the worm-and-wheel gear that is arranged between distributor housing and rotor, and worm-and-wheel gear is by tilting motor driving; Rotating bearing outer ring, top and rotor are fixed, and inner ring is fixed on the distributor housing; Rotating machine is installed on the distributor housing, the rotary pinion of rotating machine output terminal and the engagement of rotating bearing outer ring, top; Tilting motor is fixed on rotor and can rotates with cylindrical shell; What on tilting motor and distributor housing, arrange is electrically connected to for electric slip ring; Bottom at rotor is symmetrical arranged two groups of worm-and-wheel gears that rotation direction is opposite with the cylindrical shell centerline axis; At the rotor middle part, also be fixed with the middle part rotating bearing, middle part rotating bearing inner ring and rotor outer wall are fixed, and outer ring is gear; The outer ring engagement of fascinate pinion(gear) and the middle part rotating bearing of tilting motor output terminal, mesh with worm shaft end pinion(gear) simultaneously the outer ring of middle part rotating bearing; Lower end at rotor also is provided with the bottom rotating bearing, and bottom rotating bearing inner ring and rotor outer wall are fixed, and outer ring is fixed on the distributor housing.
By technique scheme, after chute crank upper end turning axle passed the barrel swivel bearing of rotor, lower end swung handle and is fixedly connected on chute, and the top of chute is suspended on the bottom of center barrel.
By technique scheme, the barrel swivel bearing of rotor below, the bottom external annulus of rotor stretches into and rotates in groove and can in rotating groove, rotate.
By technique scheme, the distributor housings support is on the basis of rotating the groove place.
By technique scheme, in worm-and-wheel gear, worm gear is arranged on the turning axle outer end, upper end of chute crank, and with the worm meshing that arranges along the cylindrical shell centerline direction; Worm screw passes connecting worm shaft end pinion(gear) after the rotating bearing inner ring of bottom.
The concrete principle of work of this distributor is as follows:
When rotating machine work, when tilting motor was not worked, chute was done simple rotation;
When tilting motor work, when rotating machine was not worked, chute was done simple fascinating;
When rotating machine and tilting motor were worked simultaneously, chute was done the compound motion that not only fascinates but also rotate.
With respect to prior art, the utlity model has following beneficial effect:
Employing, without coupled drive, is simplified the internal structure of distributor wheel casing, and is simple in structure, reliable and stable.Rotating mechanism and tilting mechanism are set respectively, but owing to also being provided with the bottom rotating bearing to strengthen the stability of rotary barrel, make the rotation of chute and fascinate relatively independent, and without decoupling zero; Simultaneously, by being set, the bottom rotating bearing strengthened the stability of rotor; Finally, tilting motor is installed on to the space of ，You bottom, rotor cylindrical shell top rotating bearing, rotor and a relative sealing of distributor housing composition in the distributor housing, can effectively improves the Working environment of tilting motor.Because this space upper space is larger, can reserve the space of water-cooling swivel joint and water-cooled part simultaneously, in the situation that do not increase distributor internal structure and overall weight, can prepare for blast furnace hot charging material loading, extensibility and strong adaptability.
In addition, worm gear has auto-lock function, has guaranteed the stability of tilting mechanism, and this distributor only adopts a tilting motor, can reduce the probability that fault occurs.If but adopt two tilting motor, when a motor lost efficacy, another motor also can lose efficacy due to the auto-lock function of worm gear, thereby safety and stability is high.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
In figure, part 1 is rotating machine, part 2 rotary pinions, part 3 is top rotating bearings, and part 4 is rotors, and part 5 is middle part rotating bearings, part 6 is bottom rotating bearings, and part 7 is chutes, and part 8 is chute cranks, part 9 is worm gears, and part 10 is worm screws, and part 11 is worm shaft end pinion(gear)s, part 12 is the pinion(gear)s that fascinate, part 13 is tilting motor, and part 14 is that part 15 is distributor housings for electric slip ring.
Embodiment
The utility model is described in further detail below in conjunction with an embodiment and accompanying drawing.
As shown in Figure 1, blast-furnace top distributing device, mainly comprise distributor housing 15, rotor 4, chute 7, rotating mechanism and tilting mechanism; In distributor housing 15, the chute 7 of distributor hangs on the lower end of rotor 4; The bottom external annulus of rotor 4 stretches into and rotates in groove; Rotating machine 1 is installed on distributor housing 15, the rotary pinion 2 of rotating machine 1 output terminal and the 3 outer ring engagements of top rotating bearing; Top rotating bearing 3 outer rings and rotor 4 are fixing, and inner ring is fixed on the distributor housing; Rotating machine 1 makes rotor 4 rotations by driving top rotating bearing 3, thereby realizes the rotation of chute 7; The bottom external annulus of rotor 4 stretches into and rotates in groove; Distributor housing 15 is supported on the basis of rotating the groove place.
Tilting motor 13 is fixed on rotor 4 and can rotates with cylindrical shell, by for electric slip ring 14, powering; Bottom at rotor 4 is symmetrical arranged two groups of worm-and-wheel gears that rotation direction is opposite with the cylindrical shell centerline axis, and worm gear 9 is arranged on the turning axle outer end, upper end of chute crank 8, and meshes with the worm screw 10 that arranges along the cylindrical shell centerline direction; At rotor 4 middle parts, also be fixed with middle part rotating bearing 5, middle part rotating bearing 5 inner rings and rotor 4 outer walls are fixed, and outer ring is gear; The pinion(gear) 12 that fascinates of tilting motor 13 output terminals meshes with the outer ring of middle part rotating bearing 5, the outer ring while of middle part rotating bearing 5 and 11 engagements of worm shaft end pinion(gear);
After chute crank 8 upper end turning axles passed the barrel swivel bearing of rotor 4, lower end swung handle and is fixedly connected on chute 7, and the top of chute 7 is suspended on the bottom of center barrel;
The barrel swivel bearing below of rotor 4, the bottom external annulus of rotor 4 stretches into and rotates in groove, and can in rotating groove, rotate.
In the lower end of rotor 4, also be provided with bottom rotating bearing 6 to strengthen the job stability of rotor 4.Bottom rotating bearing 6 inner rings and rotor 4 outer walls are fixed, and outer ring is fixed on distributor housing 15; Worm screw 10 passes connecting worm shaft end pinion(gear) 11 after bottom rotating bearing 6 inner rings;
Tilting motor 13 is fascinated outer ring that pinion(gear) 12 drives middle part rotating bearing 5 with respect to the rotation of inner ring by driving, thereby drive worm-and-wheel gear, finally realizes fascinating of chute.
In addition, this distributor only adopts a tilting motor, because worm gear has auto-lock function, has guaranteed the stability of tilting mechanism, can reduce the probability that fault occurs.If but adopt two tilting motor, when a motor lost efficacy, another motor also can lose efficacy due to the auto-lock function of worm gear, thereby safety and stability is high.
The concrete principle of work of this distributor is as follows:
When rotating machine 1 work, when tilting motor 13 was not worked, chute 7 was done simple rotation;
When tilting motor 13 work, when rotating machine 1 was not worked, chute was done simple fascinating;
When rotating machine 1 and tilting motor 13 were worked simultaneously, chute was done the compound motion that not only fascinates but also rotate.
With respect to prior art, the utlity model has following beneficial effect:
Rotating mechanism and tilting mechanism are set respectively, but owing to also being provided with bottom rotating bearing 6 to strengthen the stability of rotary barrel, make the rotation of chute and fascinate relatively independent, and without decoupling zero; Simultaneously, by being set, bottom rotating bearing 6 strengthened the stability of rotor 4; Finally, tilting motor is installed on to the space of rotor 4 ，You bottom, cylindrical shell top rotating bearings, rotor and a relative sealing of distributor housing composition in the distributor housing, can effectively improves the Working environment of tilting motor.
In addition, worm gear has auto-lock function, has guaranteed the stability of tilting mechanism, and this distributor only adopts a tilting motor, can reduce the probability that fault occurs.If but adopt two tilting motor, when a motor lost efficacy, another motor also can lose efficacy due to the auto-lock function of worm gear, thereby safety and stability is high.
Claims (5)
1. blast-furnace top distributing device, mainly comprise distributor housing, rotor, chute and rotating mechanism and tilting mechanism; In the distributor housing, the chute of distributor hangs on the lower end of rotor; The bottom external annulus of rotor stretches into and rotates in groove and can in rotating groove, rotate; It is characterized in that: rotating mechanism mainly comprises top rotating bearing, middle part rotating bearing and the bottom rotating bearing of rotor periphery, and the top rotating bearing is driven by rotating machine; Tilting mechanism mainly comprises tilting motor and the worm-and-wheel gear that is arranged between distributor housing and rotor, and worm-and-wheel gear is by tilting motor driving; Rotating bearing outer ring, top and rotor are fixed, and inner ring is fixed on the distributor housing; Rotating machine is installed on the distributor housing, the rotary pinion of rotating machine output terminal and the engagement of rotating bearing outer ring, top; Tilting motor is fixed on rotor and can rotates with cylindrical shell; What on tilting motor and distributor housing, arrange is electrically connected to for electric slip ring; Bottom at rotor is symmetrical arranged two groups of worm-and-wheel gears that rotation direction is opposite with the cylindrical shell centerline axis; At the rotor middle part, also be fixed with the middle part rotating bearing, middle part rotating bearing inner ring and rotor outer wall are fixed, and outer ring is gear; The outer ring engagement of fascinate pinion(gear) and the middle part rotating bearing of tilting motor output terminal, mesh with worm shaft end pinion(gear) simultaneously the outer ring of middle part rotating bearing; Lower end at rotor also is provided with the bottom rotating bearing, and bottom rotating bearing inner ring and rotor outer wall are fixed, and outer ring is fixed on the distributor housing.
2. blast-furnace top distributing device according to claim 1 is characterized in that: after chute crank upper end turning axle passed the barrel swivel bearing of rotor, lower end swung handle and is fixedly connected on chute, and the top of chute is suspended on the bottom of center barrel.
3. blast-furnace top distributing device according to claim 2 is characterized in that: the barrel swivel bearing below of rotor, the bottom external annulus of rotor are stretched into and are rotated in groove and can in rotating groove, rotate.
4. one of according to claim 1-3 described blast-furnace top distributing devices, it is characterized in that: the distributor housings support is on the basis of rotating the groove place.
5. one of according to claim 1-3 described blast-furnace top distributing devices, it is characterized in that: in worm-and-wheel gear, worm gear is arranged on the turning axle outer end, upper end of chute crank, and with the worm meshing that arranges along the cylindrical shell centerline direction; Worm screw passes connecting worm shaft end pinion(gear) after the rotating bearing inner ring of bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202602162U CN203295532U (en) | 2013-05-14 | 2013-05-14 | Blast furnace top distributing gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202602162U CN203295532U (en) | 2013-05-14 | 2013-05-14 | Blast furnace top distributing gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203295532U true CN203295532U (en) | 2013-11-20 |
Family
ID=49571562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202602162U Expired - Lifetime CN203295532U (en) | 2013-05-14 | 2013-05-14 | Blast furnace top distributing gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203295532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104611493A (en) * | 2015-02-12 | 2015-05-13 | 中冶南方工程技术有限公司 | Inner mechanical lubrication system of blast furnace distributor |
-
2013
- 2013-05-14 CN CN2013202602162U patent/CN203295532U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104611493A (en) * | 2015-02-12 | 2015-05-13 | 中冶南方工程技术有限公司 | Inner mechanical lubrication system of blast furnace distributor |
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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: 20131120 |
|
| CX01 | Expiry of patent term |