CN104399911A - Forced ventilation cooling rotating platform - Google Patents
Forced ventilation cooling rotating platform Download PDFInfo
- Publication number
- CN104399911A CN104399911A CN201410653493.9A CN201410653493A CN104399911A CN 104399911 A CN104399911 A CN 104399911A CN 201410653493 A CN201410653493 A CN 201410653493A CN 104399911 A CN104399911 A CN 104399911A
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- CN
- China
- Prior art keywords
- exhaust passage
- vertical air
- carrying disk
- load
- air exhaust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D7/00—Casting ingots, e.g. from ferrous metals
- B22D7/12—Appurtenances, e.g. for sintering, for preventing splashing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D7/00—Casting ingots, e.g. from ferrous metals
- B22D7/04—Casting hollow ingots
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Furnace Details (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention discloses a forced ventilation cooling rotating platform, which comprises a rotating rack, a base, a transmission device and a ventilation device, wherein the rotating rack is supported on an annular rail of the base by a load bearing disk through disk springs and wheels; the load bearing disk is kept aligned with the base through a radial positioning bearing, and is provided with a circumferential chain consisting of pins; the transmission device consists of a motor, a shaft coupling, a brake, a speed reducer and a chain wheel, and is used for driving the rotating rack to rotate; the ventilation device consists of an air inlet pipeline, a steel ingot mold base, a steel ingot mold inner sleeve, a core and an exhaust pipeline, and forms a sealed and high-efficiency cooling loop. According to the forced ventilation cooling rotating platform, a function of simultaneous rotation and ventilation of the rotating platform in a vacuum environment is realized; a heat insulation material is arranged on the inner side of the exhaust pipeline, so that the cooling efficiency is improved; impact on equipment when a steel ingot mold falls from an overhead crane is retarded by a disk spring set between the wheels and the load bearing disk, so that the wheels are uniformly stressed, and can rotate stably; reliable equipment is provided for casting a hollow steel ingot, reducing forging time, saving energy and protecting the environment.
Description
Technical field
The present invention relates to steel ingot casting instrument, particularly the frock of hollow steel-ingot casting under vacuum condition.
Background technology
Steel ingot of the prior art mostly is solid steel ingot.If be forged into sleeve shaped, then need first punching, and then be progressively forged into the size of requirement.Afterwards progressively to hollow steel ingot development, but the cooling of hollow steel ingot inner sleeve becomes technological difficulties always.Once had water-cooling type, but water-cooling type is if there is the personal safety of bleed-out accident entail dangers to, be eliminated gradually, developing deeply added air-cooled technology to liquid nitrogen afterwards, and problem is that liquid nitrogen cost is very high.
Summary of the invention
Technical problem to be solved by this invention is: under vacuum, is placed on a spinstand by ingot mould, can realize the forced ventilation cooling turntable of rotation limit, limit ventilating and cooling when casting hollow steel ingot.
For solving the problems of the technologies described above, the present invention proposes following technical scheme: a kind of forced ventilation cooling turntable, its feature is: the lower plane center of load-carrying disk is fixed with the radial location bearing block of radial location bearing, the outer edge of lower plane of load-carrying disk is fastened as a whole by disc spring group and axletree bearing, and is placed in by wheel bearing, wheel on the circular orbit on supporting seat.Chain stay is fixed on load-carrying disk lower plane outer, and forms circumference chain with pin.Around supporting seat, the motor on motor base connects shaft coupling, brake and reductor successively.The sprocket wheel be fixed on the power transmission shaft that stretches out above reductor engages with pin.Ingot mould base is fixed on the upper surface of load-carrying disk, and fuse be vertically installed on ingot mould base upper surface center recessed in.Vertical air exhaust passage passes through from top to bottom in the middle part of fuse, ingot mould base, load-carrying disk, radial location bearing block, supporting seat and is communicated with horizontal air exhaust passage behind vertical tube lower end.In the middle part of the outer wall of vertical air exhaust passage and supporting seat, the inwall of vertical tube forms vertical air inlet duct I, the endoporus of the outer wall of vertical air exhaust passage and the endoporus of radial location bearing block and load-carrying disk forms vertical air inlet duct II, the middle part of ingot mould base is provided with vertical air inlet duct III around vertical air exhaust passage, the outer wall of ingot mould inner sleeve and fuse forms vertical air inlet duct IV, and the upper end of this vertical air inlet duct IV is communicated with the upper end of vertical air exhaust passage.Horizontal air intake passage one end connects air blast, and the other end is linked in sequence air intake passage I, air intake passage II, air intake passage III, air intake passage IV successively.The inwall of air exhaust passage I and air exhaust passage II is equipped with thermal insulation layer.It is trapezoidal positioning boss that load-carrying disk upper surface is provided with cross sectional shape.Load-carrying disk upper surface is also provided with refractory seals pad.Sealing ring I is provided with between the outer wall of load-carrying disk and vertically air exhaust passage.Sealing ring II is provided with between radial location bearing block and supporting seat.
The turntable in vacuum environment that present invention achieves that have employed above technical scheme rotates while the function carrying out cooling of ventilating.Inside exhaust duct, heat-insulating material is housed, improves cooling effectiveness.The disc spring group filled between wheel and load-carrying disk slow down overhead traveling crane fall ingot mould time impact to equipment, and make wheel uniform force, more steady during rotation.The techno-economic effect realize casting hollow steel ingot, reducing forging time, achieve energy-conserving and environment-protective.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, structure of the present invention is described in detail:
Fig. 1 is the front view of forced ventilation of the present invention cooling turntable;
Fig. 2 is that to take down sequence number be the part of 19 and the schematic diagram of ingot mould base to Fig. 1;
Fig. 3 is the A-A generalized section of Fig. 1;
Fig. 4 is the B-B generalized section of Fig. 3, demonstrates the layout of disk spring group;
Fig. 5 is the C-C generalized section of Fig. 3, amplifies the structure of vehicle wheel component;
Fig. 6 is the enlarged drawing in K portion in Fig. 3, and to entering, the local at air draft swivel joint place amplifies.
In figure, 1, load-carrying disk, 2, disc spring group, 3, axletree bearing, 4, wheel bearing, 5, wheel, 6, radial location bearing block, 7, radial location bearing, 8, chain stay, 9, pin, 10, circular orbit, 11, supporting seat, 12, motor, 13, shaft coupling, 14, brake, 15, reductor, 16, sprocket wheel, 17, motor base, 18, horizontal air intake passage, 19, ingot mould base, 20, fuse, 21, ingot mould inner sleeve, 22, air intake passage I, 23, air intake passage II, 24, air intake passage III, 25, air intake passage IV, 26, vertical air exhaust passage, 27, horizontal air exhaust passage, 28, vertical tube in the middle part of supporting seat, 29, thermal insulation layer, 30, conical surface positioning boss, 31, refractory seals pad, 32, sealing ring I, 33, sealing ring II.
Detailed description of the invention
As can be seen from accompanying drawing, forced ventilation cooling turntable of the present invention, is fixed with the radial location bearing block 6 of radial location bearing 7 at the lower plane center of load-carrying disk 1.The outer edge of lower plane of load-carrying disk 1 is fastened as a whole by disc spring group 2 and axletree bearing 3, and is placed in by wheel bearing 4, wheel 5 on the circular orbit 10 on supporting seat 11.Chain stay 8 is fixed on the outer of load-carrying disk 1 lower plane, and forms circumference chain with pin 9.Around supporting seat 11, the motor 12 on motor base 17 connects shaft coupling 13, brake 14 and reductor 15 successively, and the sprocket wheel 16 be fixed on the power transmission shaft that stretches out above reductor 15 engages with pin 9.Base is formed by circular orbit 10 and supporting seat 11 bolt-connection.Supporting seat 11 is fixed by foundation bolt and basis, bears whole loading capacity.Wheel 5 rolls on circular orbit 10, realizes the rotary motion of rotary stand.Load-carrying disk 1 keeps feeling relieved by radial location bearing 7 and base
Ingot mould base 19 is fixed on the upper surface of load-carrying disk 1, and fuse 20 be vertically installed on ingot mould base 19 upper surface center recessed in.Vertical air exhaust passage 26 passes through from top to bottom in the middle part of fuse 20, ingot mould base 19, load-carrying disk 1, radial location bearing block 6, supporting seat and is communicated with horizontal air exhaust passage 27 behind vertical tube 28 lower end.In the middle part of the outer wall of vertical air exhaust passage 26 and supporting seat, the inwall of vertical tube 28 forms vertical air inlet duct I-22, the endoporus of the outer wall of vertical air exhaust passage 26 and the endoporus of radial location bearing block 6 and load-carrying disk 1 forms vertical air inlet duct II-23, the middle part of ingot mould base 19 is provided with vertical air inlet duct III-24 around vertical air exhaust passage 26, ingot mould inner sleeve 21 forms vertical air inlet duct IV-25 with the outer wall of fuse 20, and the upper end of this vertical air inlet duct IV-25 is communicated with the upper end of vertical air exhaust passage 26.Horizontal air intake passage 18 one end connects air blast, and the other end is linked in sequence air intake passage I-22, air intake passage II-23, air intake passage III-24, air intake passage IV-25 successively.The inwall of vertical air exhaust passage 26 and horizontal air exhaust passage 27 is equipped with thermal insulation layer 29.It is trapezoidal positioning boss 30 that load-carrying disk 1 upper surface is provided with cross sectional shape.Load-carrying disk 1 upper surface is also provided with refractory seals pad 31.Sealing ring I-32 is provided with between the outer wall of load-carrying disk 1 and vertical air exhaust passage (26).Sealing ring II-33 is provided with between radial location bearing block 6 and supporting seat 11.Constitute into air draft rotary joint structure with supporting seat 11 and sealing ring I-32 with sealing ring II-33 by load-carrying disk 1, radial location bearing block 6, radial location bearing 7, can realize when stand rotates entering air draft simultaneously.
The course of work of the present invention is: when environment vacuum degree is qualified, turntable coordinates pour steel amount, accept instruction after, brake is opened, electric motor starting, rotate by setting speed, in pouring molten steel process, continue to pass into Air flow, ensure that the inner wall temperature of ingot mould inner sleeve is below set point of temperature, after casting complete, turntable accepts instruction to be stopped, brake, Air flow continues to carry out, last till the stipulated time after casting complete, stop Air flow, extract fuse out.Present invention achieves turntable in vacuum environment to rotate while the function of ventilating, inside exhaust duct, heat-insulating material is housed, improves cooling effectiveness.The disc spring group filled between wheel and load-carrying disk slow down overhead traveling crane fall ingot mould time impact to equipment, and make wheel uniform force, more steady during rotation.For realization casting hollow steel ingot, minimizing forging time, energy-conserving and environment-protective provide reliable equipment.
Claims (6)
1. a forced ventilation cooling turntable, it is characterized in that: the lower plane center of load-carrying disk (1) is fixed with the radial location bearing block (6) of radial location bearing (7), the outer edge of lower plane of described load-carrying disk (1) is fastened as a whole by disc spring group (2) and axletree bearing (3), and is placed on the circular orbit (10) on supporting seat (11) by wheel bearing (4), wheel (5), chain stay (8) is fixed on described load-carrying disk (1) lower plane outer, and forms circumference chain with pin (9), around described supporting seat (11), motor (12) on motor base (17) connects shaft coupling (13), brake (14) and reductor (15) successively, and the sprocket wheel (16) be fixed on the power transmission shaft that stretches out described reductor (15) top engages with described pin (9), ingot mould base (19) is fixed on the upper surface of described load-carrying disk (1), and fuse (20) be vertically installed on described ingot mould base (19) upper surface center recessed in, vertical air exhaust passage (26) passes through from top to bottom in the middle part of fuse (20), ingot mould base (19), load-carrying disk (1), radial location bearing block (6), supporting seat and is communicated with horizontal air exhaust passage (27) behind vertical tube (28) lower end, in the middle part of the outer wall of described vertical air exhaust passage (26) and supporting seat, the inwall of vertical tube (28) forms vertical air inlet duct I (22), the endoporus of the outer wall of described vertical air exhaust passage (26) and the endoporus of described radial location bearing block (6) and load-carrying disk (1) forms vertical air inlet duct II (23), the middle part of described ingot mould base (19) is provided with vertical air inlet duct III (24) around described vertical air exhaust passage (26), described ingot mould inner sleeve (21) forms vertical air inlet duct IV (25) with the outer wall of fuse (20), the upper end of this vertical air inlet duct IV (25) is communicated with the upper end of described vertical air exhaust passage (26), described horizontal air intake passage (18) one end connects air blast, and the other end is linked in sequence air intake passage I (22), air intake passage II (23), air intake passage III (24), air intake passage IV (25) successively.
2. forced ventilation cooling turntable according to claim 1, is characterized in that: described vertical air exhaust passage (26) and the inwall of horizontal air exhaust passage (27) are equipped with thermal insulation layer (29).
3. forced ventilation cooling turntable according to claim 1, is characterized in that: it is trapezoidal positioning boss (30) that described load-carrying disk (1) upper surface is provided with cross sectional shape.
4. forced ventilation cooling turntable according to claim 1, is characterized in that: described load-carrying disk (1) upper surface is also provided with refractory seals pad (31).
5. forced ventilation cooling turntable according to claim 1, is characterized in that: described load-carrying disk (1) is provided with sealing ring I (32) with the outer wall of vertical air exhaust passage (26).
6. forced ventilation cooling turntable according to claim 1, is characterized in that: be provided with sealing ring II (33) between described radial location bearing block (6) and supporting seat (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410653493.9A CN104399911B (en) | 2014-11-17 | 2014-11-17 | Forced ventilation cooling turntable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410653493.9A CN104399911B (en) | 2014-11-17 | 2014-11-17 | Forced ventilation cooling turntable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104399911A true CN104399911A (en) | 2015-03-11 |
| CN104399911B CN104399911B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410653493.9A Active CN104399911B (en) | 2014-11-17 | 2014-11-17 | Forced ventilation cooling turntable |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2070986A5 (en) * | 1969-12-12 | 1971-09-17 | Inst Elektrotermicheskogo Obor | Hollow metal ingots casting core |
| JPS58202952A (en) * | 1982-04-15 | 1983-11-26 | クル−ゾ−・ロワ−ル | Method and device for manufacturing hollow steel ingot |
| CN101234413A (en) * | 2007-12-16 | 2008-08-06 | 中国第一重型机械集团公司 | Large-scale hollow steel ingot mold device |
| CN203018704U (en) * | 2012-11-20 | 2013-06-26 | 天津重型装备工程研究有限公司 | Device for manufacturing large-scale hollow steel ingots through single-sleeve forced cooling |
| CN204276839U (en) * | 2014-11-17 | 2015-04-22 | 中国第一重型机械股份公司 | Forced ventilation cooling turntable |
-
2014
- 2014-11-17 CN CN201410653493.9A patent/CN104399911B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2070986A5 (en) * | 1969-12-12 | 1971-09-17 | Inst Elektrotermicheskogo Obor | Hollow metal ingots casting core |
| JPS58202952A (en) * | 1982-04-15 | 1983-11-26 | クル−ゾ−・ロワ−ル | Method and device for manufacturing hollow steel ingot |
| CN101234413A (en) * | 2007-12-16 | 2008-08-06 | 中国第一重型机械集团公司 | Large-scale hollow steel ingot mold device |
| CN203018704U (en) * | 2012-11-20 | 2013-06-26 | 天津重型装备工程研究有限公司 | Device for manufacturing large-scale hollow steel ingots through single-sleeve forced cooling |
| CN204276839U (en) * | 2014-11-17 | 2015-04-22 | 中国第一重型机械股份公司 | Forced ventilation cooling turntable |
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| Publication number | Publication date |
|---|---|
| CN104399911B (en) | 2016-08-24 |
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