CN103920724A - Billet turn-over cooling bed device - Google Patents
Billet turn-over cooling bed device Download PDFInfo
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- CN103920724A CN103920724A CN201410174211.7A CN201410174211A CN103920724A CN 103920724 A CN103920724 A CN 103920724A CN 201410174211 A CN201410174211 A CN 201410174211A CN 103920724 A CN103920724 A CN 103920724A
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- Prior art keywords
- steel billet
- toothed wheel
- shaft
- power transmission
- tooth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B43/00—Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/20—Revolving, turning-over, or like manipulation of work, e.g. revolving in trio stands
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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
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/1226—Accessories for subsequent treating or working cast stock in situ for straightening strands
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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
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
Abstract
The invention discloses a billet turn-over cooling bed device and belongs to the field of metallurgical equipment. The billet turn-over cooling bed device comprises a transmission device and a turn-over mechanism, wherein the transmission device drives the turn-over mechanism to turn over billets, the transmission device comprises a main transmission device and a constant-speed transmission set device, the main transmission device transmits torque to the constant-speed transmission set device, the constant-speed transmission set device is connected with the turn-over mechanism through a coupler, the turn-over mechanism comprises a plurality of transmission shafts distributed in parallel, the ends of the transmission shafts are connected to the coupler, tooth-shaped gears are evenly distributed on each transmission shaft, the tooth-shaped gears on every two adjacent transmission shafts are distributed in the same way, and the tooth-shaped gears on every two adjacent transmission shafts are staggered in position. With the device, hot square billets can be turned over, evenly cooled and automatically straightened efficiently, evenly and stably, and therefore the billets can be cooled sufficiently, the quality of the billets and smooth conveying of the billets can be guaranteed, and it is guaranteed that the tooth-shaped gears can support the tooth faces of the billets to normally turn over the billets.
Description
Technical field
The invention belongs to field of metallurgical equipment, more particularly, relate to a kind of steel billet turn over cooling bed device.
Background technology
On continuous casting and steel rolling production-line, adopt U-V turn over cooling bed that the hot steel billet of all size is overturn cooling and aligned.On hot steel billet, bed tempertaure is 850 DEG C, and under hot steel billet, bed tempertaure is controlled at below 350 DEG C.Prior art has been made up of parts such as the transmission device in U-V turn over cooling bed, U-V tooth plate, main shaft, lifting and mobile eccentric group, balance bracket and roller, trave lling girders.The operation principle of its system is Motor Drive reductor and main shaft, when two cover eccentric group are installed on main shaft, 180 ° of phase differences, and when the eccentric wheel rolling bearing, and every cover eccentric group is provided with lifting eccentric wheel and mobile eccentric wheel, its offset difference and phase difference are 90 °, and lifter drawing bar is by balance bracket and the lifting of idler wheel driving moving tooth plate; Trave lling girder band moving tooth plate moves horizontally.The movement locus of U-V tooth plate is all ellipse, 180 ° of phase differences.As China Patent Publication No. 101209463 discloses a kind of straight-tooth blank feeding mechanism of square billet turnover cold bed, U-V turn over cooling bed mentioned above just.Eccentric gearing and straight-tooth are its key problem in technology, and the eccentric phase of V, U tooth eccentric bushing differs from 180 degree, and the eccentric phase of V/U tooth eccentric bushing and reel cage eccentric bushing differs from 90 degree.For the square billet supply of turn over cooling bed, simple, energy-conservation, laborsaving, effective.
Alternately operation forward in the teeth groove of U-V tooth plate of steel billet, and overturn under the effect of gravity.After production operation half a year, the problem of bringing is thus:
1) when hot steel billet is in the inverting action of U-V turn over cooling bed during to 2/3 place of total travel, there is of short duration skidding in hot steel billet, cause hot steel billet upset to carry not smooth on U-V tooth plate.There is relative error in the actual motion track and the theoretical track that calculates that are U-V tooth plate;
2) bearing holder (housing, cover), outside eccentric wheel, is given repair and maintenance and changes spare part and bring difficulty.And bearing size is larger, cost increases;
3) mechanism's more complicated, required precision is high, and manufacture difficulty is large, U-V tooth plate face and connecting link pin counterpart serious wear.
Summary of the invention
1. the technical problem that will solve
On turn over cooling bed, carry smooth, turn over cooling bed repair and maintenance and change the defects such as spare part workload is large in order to solve steel billet, the invention provides a kind of steel billet turn over cooling bed device.This device can be efficient, even, stable the upset of carrying out hot billet, even cooling and aligning voluntarily, make steel billet cooling fully, ensure billet quality and carry unimpeded, guarantee that toothed wheel holder the flank of tooth of the steel billet steel billet that normally overturns, and under the not impaired prerequisite of the flank of tooth, hot steel billet upset efficiency is high, simplifies steel billet switching mechanism, and device operates steadily, safe and reliable, simple to operate, cost of equipment maintenance is low.
2. technical scheme
Object of the present invention is achieved through the following technical solutions.
A kind of steel billet turn over cooling bed device, it comprises transmission device and switching mechanism, transmission device drives switching mechanism to overturn to steel billet, described transmission device comprises main drive and constant speed transmission group device, described main drive transmission moment of torsion is to described constant speed transmission group device, described constant speed transmission group device is connected with switching mechanism by shaft coupling, described switching mechanism comprises the power transmission shaft of some parallel arrangements, the termination of described power transmission shaft is connected in described shaft coupling, on every power transmission shaft, be evenly equipped with described toothed wheel, toothed wheel on adjacent two power transmission shafts is arranged identical, stagger in toothed wheel position on adjacent two power transmission shafts.
Further, described power transmission shaft supports by bearing auxiliary equipment, and described bearing auxiliary equipment adopts dissection type rolling bearing, between described power transmission shaft and dissection type rolling bearing, can relatively rotate.
Further, each described toothed wheel is made up of 4～6 impartial profiles of tooth, and the angle β on adjacent teeth limit is obtuse angle; Described toothed wheel is dissection type toothed wheel, is made up of two parts, is directly combined on power transmission shaft by key, and described toothed wheel is carried out axial location by keeper on power transmission shaft.
Further, described main drive comprises adjustable frequency motor, safety arrestment shaft coupling, encoder and main reducing gear,
Described adjustable frequency motor is arranged on driving frame, and for source kinetic energy, the sliding muscle of setting up defences below driving frame, is cast in concrete;
Described safety arrestment shaft coupling is connected with described adjustable frequency motor output shaft, for the braking of transmitting torque, and be connected with described main reducing gear power shaft, main reducing gear output shaft is connected with the input gear axle of constant speed transmission group device by shaft coupling, encoder is arranged on the other end of main reducing gear output shaft, described input gear axle passes to output gear shaft moment of torsion by transition gear axle, directly be connected with described power transmission shaft by shaft coupling again, or connect with next constant speed transmission group device by shaft coupling.
Further, described driving frame is by carrying hot steel billet one side that thermal insulation board is housed.
Further, the shell of described thermal insulation board is during welding for steel structure part, and in-built exotic material, for heat insulation.
An operational method for described steel billet turn over cooling bed device, the steps include:
(A) described main drive transmission moment of torsion is to described constant speed transmission group device, and constant speed transmission group device drives switching mechanism, and switching mechanism comprises one group of power transmission shaft of parallel arrangement;
(B) each root steel billet enters switching mechanism from the end of going to bed, and contacts with the flank of tooth of the toothed wheel of arranging on first power transmission shaft, completes the process of going to bed;
(C), along with the rotation of power transmission shaft, one group of toothed wheel on described power transmission shaft band moving axis is overturn and is carried hot steel billet to adjacent next group toothed wheel transmission from steel billet enters bed end, completes the switching process of steel billet;
(D) every hot steel billet turns over and circles as one-period track, circulates with this, and steel billet is along power transmission shaft rotation direction, till going to bed and hold and leave the bed end to steel billet, completes the cooling procedure of steel billet from steel billet.
Preferably, in operation process, the time that steel billet is left the bed from going to bed to is 30～40min.
3. beneficial effect
Than prior art, the invention has the advantages that:
(1) the present invention adopts toothed wheel to overturn cooling to hot steel billet, owing to adopting constant speed transmission group device, be easy to realize the constant speed transmission of power transmission shaft, the flank of tooth is not impaired, simultaneously, toothed wheel upset, hot steel billet upset efficiency is high, and adopts steel billet turn over cooling bed device of the present invention, has greatly simplified the structure of existing U-V turn over cooling bed device, device operates steadily, safe and reliable, simple to operate, cost of equipment maintenance is low, reaches the cold bed function in production technology and improves production capacity;
(2) steel billet turn over cooling bed device of the present invention, switching mechanism is made up of toothed wheel and power transmission shaft, wherein, toothed wheel is 4～6 impartial profiles of tooth, toothed wheel is dissection type, be assembled on power transmission shaft, the adjacent toothed wheel on every power transmission shaft is that equidistantly the angle β on the adjacent teeth limit of each toothed wheel is obtuse angle.Such structural design makes each profile of tooth working face can effectively carry hot steel billet.Gear in power transmission shaft rotation process, the outer surface of hot steel billet can and air between dynamic Contact, played equal cold-working use, and the upset of hot steel billet makes hot steel billet in the longitudinal direction, while upset by toothed wheel, realize aligning voluntarily to steel billet simultaneously;
(3) the present invention is applicable to rolling of sectional iron and direct casting steel billet production line, adopt the upset of carrying out hot billet that Novel billet of the present invention upset toothed wheel cold bed device can be efficient, even, stable, even cooling and aligning voluntarily, both reached steel billet cooling fully, ensure billet quality and carry unimpededly, guarantee that toothed wheel holder the flank of tooth of the steel billet steel billet that normally overturns;
(4) driving frame of the present invention is by carrying hot steel billet one side that thermal insulation board is housed, and the shell of thermal insulation board is during welding for steel structure part, in-built exotic material, heat insulation for high-temperature region;
(5) power transmission shaft of the present invention supports by bearing auxiliary equipment, and bearing auxiliary equipment adopts dissection type rolling bearing, between described power transmission shaft and dissection type rolling bearing, can relatively rotate.Especially dissection type self-lubricating bearing, is convenient to change, and without oily, is not polluted to protect environment.
Brief description of the drawings
Fig. 1 is the plane of steel billet upset toothed wheel cold bed device of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view;
Fig. 3 be the B-B of Fig. 1 to cutaway view, γ represents the angle of the same profile of tooth of adjacent toothed wheel on same power transmission shaft, → represent steel billet throughput direction; Xa is that steel billet enters bed end; Xb is the steel billet end of leaving the bed;
Fig. 4 is the track schematic diagram that steel billet is carried one-period, and in figure, Xa ' is the starting point of steel billet one-period; Xa " be the terminal of steel billet one-period, Y is one-period track, → expression steel billet throughput direction;
Fig. 5 is the structural representation of dissection type self-lubricating bearing, (a) is front view; (b) left view; (c) top view;
Fig. 6 is the C-C cross sectional view of Fig. 5 (a);
Fig. 7 is the D-D cross sectional view of Fig. 5 (c);
Fig. 8 is the installation diagram of toothed wheel, (a) is front view, is (b) left view;
Fig. 9 is the installation diagram of keeper, (a) is front view, is (b) partial sectional view that Fig. 9 (a) is corresponding.
In figure: 1, main drive; 101, adjustable frequency motor; 102, safety arrestment shaft coupling; 103, encoder; 104, main reducing gear;
2, constant speed transmission group device; 201, lower casing; 202, upper casing; 203, input gear axle; 204, transition gear axle; 205, output gear shaft;
3, shaft coupling; 4, bearing auxiliary equipment; 401, bearing base; 411, dissection type rolling bearing; 4111, bearing outer ring; 4112, retainer; 4113, self-lubricating cylinder roll body; 4114, cylinder roller bearing group inscribed circle; 402, bearing cap; 412, bracing frame;
5, toothed wheel; 501, tooth root; 502, profile of tooth working face; 503, toothed wheel axially fastens part; 504, dissection type toothed wheel securing member; 505, dissection type toothed wheel; 506, hole for hoist; 507, dissection type connecting cap; 508, keyway;
6, keeper; 601, positioning key; 602, gib head taper stock key; 603, flat key;
7, power transmission shaft; 701, two-sided keyway; 8, driving frame; 9, thermal insulation board.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, technical scheme of the present invention is described further.
Embodiment 1
In conjunction with Fig. 1,2, the steel billet toothed wheel turn over cooling bed device of the present embodiment, critical piece is as follows:
1, one of main drive, as dynamical system.
Constant speed transmission group device 2, comprises lower casing 201, upper casing 202.
Nine covers, as parts assembly parts, the torque of power shaft, output shaft is the same with velocity of rotation.
Shaft coupling 3, three 12 covers.
Bearing auxiliary equipment 4, four ten quadruplets, as assembly parts, adopt dissection type rolling bearing 411 to support.This dissection type rolling bearing 411 is dissection type self-lubricating bearing.
Toothed wheel 5, one 176 covers; For improving material wear-resistant degree, the profile of tooth working face 502 in toothed wheel 5 does Quenching Treatment.Toothed wheel 5 is 4～6 impartial profiles of tooth, toothed wheel 5 is dissection type, two parts are contained in combination on power transmission shaft 7, spacing on every power transmission shaft 7 between adjacent toothed wheel 5 is equidistant in principle, in toothed wheel 5, the angle β on adjacent teeth limit is obtuse angle, and each profile of tooth working face 502 can effectively carry hot steel billet X.See Fig. 1,2,3,8.
Keeper 6, one 176 covers.Keeper 6 is gib head taper stock key form, for the location of toothed wheel 5.
Power transmission shaft 7, ten is a set of; Power transmission shaft 7 is cylindrical forging, axle radially for the toothed wheel 5 of connecting, the termination of axle is coupled to shaft coupling 3.
Driving frame 8, a set of, be during welding for steel structure part, for installation and the adjustment of main drive 1 and constant speed transmission group device 2.
Thermal insulation board 9, a set of, shell is during welding for steel structure part, in-built exotic material, heat insulation for high-temperature region.
Introduce the concrete structure of the steel billet toothed wheel turn over cooling bed device of the present embodiment below.In conjunction with Fig. 1,2, main drive 1 comprises adjustable frequency motor 101, safety arrestment shaft coupling 102, encoder 103 and main reducing gear 104.Adjustable frequency motor 101, for source kinetic energy, is arranged on driving frame 8.Safety arrestment shaft coupling 102 connects with the output shaft of adjustable frequency motor 101, for the braking of transmitting torque, and is connected with the power shaft of main reducing gear 104.The output shaft of main reducing gear 104 is connected with the input gear axle 203 of constant speed transmission group device 2 by shaft coupling 3, and encoder 103 is arranged on the other end of the output shaft of main reducing gear 104.
Input gear axle 203 in constant speed transmission group device 2 passes to output gear shaft 205 moment of torsion by transition gear axle 204, then connects with next constant speed transmission group device 2 by shaft coupling 3, or is connected with power transmission shaft 7 by shaft coupling 3.The driving frame 8 belows sliding muscle of setting up defences, is cast in concrete.
When installation, first, by driving frame 8 and bearing auxiliary equipment 4 be arranged on levelling reinforced concrete foundation face on.Main drive 1, constant speed transmission group device 2 are arranged on driving frame 8.
Bearing base 401 in bearing auxiliary equipment 4 is arranged on bracing frame 412, and adjusts height, the height of constant speed transmission group device 2 input and output shaft centre lines and the height of bearing auxiliary equipment 4 bearing axis of main drive 1 input and output shaft centre line.Load onto dissection type rolling bearing 411, power transmission shaft 7 in bearing auxiliary equipment 4, between main drive 1 and constant speed transmission group device 2, be coupled to each other and adjust to the right place by shaft coupling 3.Constant speed transmission group device 2 is coupled to each other and is adjusted to the right place by shaft coupling 3 each other, between constant speed transmission group device 2 and power transmission shaft 7, is coupled to each other and is adjusted to the right place by shaft coupling 3, and power transmission shaft 7 is coupled to each other and is adjusted to the right place by shaft coupling 3 each other.Toothed wheel 5 is assemblied on power transmission shaft 7, and adjusted by keeper 6 fixing, finally driving frame 8 by carry hot steel billet one side, load onto thermal insulation board 9, complete the installation of this device.See Fig. 1,2.
In conjunction with Fig. 2,5, bearing auxiliary equipment 4 is assembly parts.Every cover bearing auxiliary equipment 4 is all arranged on bracing frame 412 by bearing base 401, and the bracing frame 412 belows sliding muscle of setting up defences, is cast in concrete.Bearing cap 402 and bearing base clamping dissection type rolling bearing 411 Shang Xia 401, in the present embodiment, dissection type rolling bearing 411 is herein two covers, between the dissection type self-lubricating bearing that two covers assemble up and down, separated by two dissection type locating rings, two of alignment pins are positioned at bearing cap on bearing base, four dissection type transparent covers are equipped with at the two ends of dissection type rolling bearing 411, then with four dissection type glands, dissection type seal is pushed down, with the end of some cover end bolt securing member connection bearing auxiliary equipments 4, with the fastening bearing cap of quadruplet bolt of bearing cap securing member, with the fastening bearing base of quadruplet bearing base bolt fastener on bracing frame 412, finally, two fixed blocks are fixed to bearing base diagonal angle to be arranged, and be welded on bracing frame 412.
By Fig. 5 a, 5b, 5c, dissection type rolling bearing 411 comprises a bearing outer ring 4111, the seam of its outer ring and bearing cap 402 or bearing base 401 cooperatively interacts, and two bearing outer rings 4111 are mutually to dress assembling unification, and the internal diameter of bearing outer ring 4111 is the raceway of self-lubricating cylinder roll body 4113.Between self-lubricating cylinder roll body 4113 in power transmission shaft 7 and dissection type rolling bearing 411, can relatively rotate.
In conjunction with Fig. 5, 6, 7, several self-lubricating cylinder roll bodies 4113 are encased in from the outer ring of retainer 4112 in the U-lag of retainer 4112, in retainer 4112, between self-lubricating cylinder roll body 4113, kept apart by retainer 4112, self-lubricating cylinder roll body 4113 can supporting drive shaft 7, again can and power transmission shaft 7 between relatively rotate, form power transmission shaft working face, and the cylinder roller bearing group inscribed circle 4114 of self-lubricating cylinder roll body 4113 in retainer 4112 and the working face of power transmission shaft 7 coincide, cylinder roller bearing diameter d 1 is less than retainer and protects bearing diameter d2.
In conjunction with Fig. 8, every cover toothed wheel 5 is to combine impartial six profiles of tooth by two dissection type toothed wheel 505 with two keys location (Fig. 8 b), steel billet X is in transmittance process, right angle point drops in tooth root 501, angle β between two teeth is greater than 90 °, profile of tooth working face 502 carries the right-angle side of steel billet X, profile of tooth working face 502 is through quenching heat treatment or be high-abrasive material, in the hole of dissection type toothed wheel 505, be provided with keyway 508, the both sides of dissection type toothed wheel 505 connect with four dissection type connecting caps 507, axially fastening fastening two the dissection type toothed wheel 505 of part 503 by toothed wheel again combines, with the dissection type connecting cap 507 of dissection type toothed wheel securing member 504 fastening both sides, when transport, can utilize hole for hoist 506 handlings.Spacing between every cover toothed wheel 5 is that (Fig. 8 a, Fig. 8 are b) for disposed at equal distance substantially.
Toothed wheel 5 places are housed on power transmission shaft 7 to be provided with two-sided keyway 701 (Fig. 8 b), in conjunction with Fig. 9 a, Fig. 9 b, first packs positioning key 601 into, loads onto toothed wheel 5, reinstalls gib head taper stock key 602, then packs flat key 603 into, securable fastener.
In conjunction with Fig. 3, Fig. 4, the outer surface of hot steel billet X can and air between dynamic Contact, played equal cold-working use, and the upset of hot steel billet X, when hot steel billet X is overturn by toothed wheel 5 in the longitudinal direction simultaneously, is accomplished to align voluntarily.In the process that hot steel billet X transmits to arrow → direction in toothed wheel 5, hot steel billet X is also being reversed, the terminal of the running orbit of every hot steel billet X from the starting point (Xa ' position Fig. 4) of one-period to one-period (sequence number Xa in Fig. 4 " position), the running orbit of one-period is room watt shape (being the track that in Fig. 4, symbol Y represents) like this.
In conjunction with Fig. 3, each toothed wheel 5 can be carried two steel billets (steel billet is used sign X in the drawings) simultaneously, when a toothed wheel 5 is transmitted steel billet X to next toothed wheel 5, transmits one by one.In conjunction with Fig. 4, each root steel billet X drops in toothed wheel 5, transmission from the starting point (the sequence number Xa ' Fig. 4) of steel billet one-period through the toothed wheel 5 of four groups of rotations, to the terminal of steel billet one-period (the sequence number Xa in figure "); each root steel billet X turns over while circling; the track (track represents with symbol Y in the drawings) of its upset is one-period, and track Y curve is room watt shape.
As shown in Figure 3, toothed wheel 5 is made as hexagon tooth, and when use, all toothed wheel 5 all have interchangeability each other, and its rotating speed is consistent.Each root steel billet X leaves the bed end (Xb place in Fig. 3) only from steel billet end (Xa in Fig. 3) to the steel billet of going to bed, the operating steadily of its upset and reach.On a power transmission shaft 7, the adjacent same profile of tooth angle of the two cover hexagonal toothed wheel γ in front and back is 30 °.While ensureing that the profile of tooth working face 502 of a toothed wheel 5 is asking first steel billet X to turn clockwise α=60 °, the profile of tooth working face 502 of second tooth of this toothed wheel 5 is accepted second steel billet X; In the time that this toothed wheel 5 is asking first and second root steel billet X to continue clockwise to turn ω-α=30 °, the profile of tooth working face 502 of next toothed wheel 5 is accepted first steel billet X.By that analogy, each steel billet X moves forward with a room watt shape track.Wherein, when ω represents that a hot square billet is delivered to next group toothed wheel by last group of toothed wheel, the angle that toothed wheel turns over is (as hexagon tooth, the relative angle that hot square billet turns over is 90 degree), α is illustrated in same toothed wheel, angle (as hexagon tooth, angle is 60 degree) between tooth and adjacent teeth.
As Fig. 3,4, the steel billet gear turn over cooling bed device cooling conveying course of action of hot steel billet that overturns: main drive 1 is passed on the upset transmit and carry hot steel billet X to next group toothed wheel 5 from steel billet enters bed end Xa of drive → mono-group of toothed wheel 5 of moment of torsion → constant speed transmission group device 2 drive → power transmission shafts of pass through → shaft coupling 37, every hot steel billet X turns over and circles as one-period track Y, circulates with this.Each root steel billet enters switching mechanism from the end of going to bed, and contacts with the flank of tooth of the toothed wheel of arranging on first power transmission shaft 7, completes the process of going to bed; Along with the rotation of power transmission shaft 7, power transmission shaft 7 overturns from steel billet enters bed end with one group of toothed wheel 5 on moving axis and transmits and carry hot steel billet to adjacent next group toothed wheel 5, completes the switching process of steel billet; Steel billet is along power transmission shaft 7 rotation directions (i.e. symbol in figure →), goes to bed till end Xa leaves the bed end Xb to steel billet from steel billet, completes the cooling procedure of steel billet.In above-mentioned operation process, the time that steel billet is left the bed from going to bed to is about 30min.
Embodiment 2
With embodiment 1 difference be, in the profile of tooth working face 502 in toothed wheel 5, inlay Wear-resistant, high-temperature resistant material, improve the materials'use life-span.Toothed wheel 5 is made up of 4 impartial profiles of tooth.In the present embodiment, the time that steel billet is left the bed from going to bed to is 40min.
Embodiment 3
To be dissection type self-lubricating plain bearing in bearing block 4 with embodiment 1 difference.Toothed wheel 5 is made up of 5 impartial profiles of tooth.In the present embodiment, the time that steel billet is left the bed from going to bed to is 35min.
Embodiment 4
With embodiment 1 difference being, is split plain bearing in bearing block 4, and lubricating grease is provided simultaneously.
Claims (6)
1. a steel billet turn over cooling bed device, it comprises transmission device and switching mechanism, transmission device drives switching mechanism to overturn to steel billet, it is characterized in that:
Described transmission device comprises main drive (1) and constant speed transmission group device (2), described main drive (1) transmission moment of torsion is to described constant speed transmission group device (2), described constant speed transmission group device (2) is connected with switching mechanism by shaft coupling (3), described switching mechanism comprises the power transmission shaft (7) of some parallel arrangements, the termination of described power transmission shaft (7) is connected in described shaft coupling (3), on every power transmission shaft (7), be evenly equipped with described toothed wheel (5), toothed wheel (5) on adjacent two power transmission shafts (7) is arranged identical, stagger in toothed wheel (5) position on adjacent two power transmission shafts (7).
2. a kind of steel billet turn over cooling bed device according to claim 1, it is characterized in that: described power transmission shaft (7) supports by bearing auxiliary equipment (4), described bearing auxiliary equipment (4) adopts dissection type rolling bearing, between described power transmission shaft (7) and dissection type rolling bearing, can relatively rotate.
3. a kind of steel billet turn over cooling bed device according to claim 1 and 2, is characterized in that: each described toothed wheel (5) is made up of 4～6 impartial profiles of tooth, and the angle β on adjacent teeth limit is obtuse angle; Described toothed wheel (5) is dissection type toothed wheel, formed by two parts, directly be combined in power transmission shaft (7) by key upper, described toothed wheel (5) is above carried out axial location by keeper (6) at power transmission shaft (7).
4. a kind of steel billet turn over cooling bed device according to claim 1 and 2, it is characterized in that: described main drive (1) comprises adjustable frequency motor (101), safety arrestment shaft coupling (102), encoder (103) and main reducing gear (104)
It is upper that described adjustable frequency motor (101) is arranged on driving frame (8), and for source kinetic energy, the sliding muscle of setting up defences below driving frame (8), is cast in concrete;
Described safety arrestment shaft coupling (102) is connected with described adjustable frequency motor (101) output shaft, for the braking of transmitting torque, and be connected with described main reducing gear (104) power shaft, main reducing gear (104) output shaft is connected with the input gear axle (203) of constant speed transmission group device (2) by shaft coupling (3), encoder (103) is arranged on the other end of main reducing gear (104) output shaft, described input gear axle (203) passes to output gear shaft (205) moment of torsion by transition gear axle (204), directly be connected with described power transmission shaft (7) by shaft coupling (3) again, or connect with next constant speed transmission group device (2) by shaft coupling (3).
5. a kind of steel billet turn over cooling bed device according to claim 1, is characterized in that: described driving frame (8) is by carrying hot steel billet one side that thermal insulation board (9) is housed.
6. a kind of steel billet turn over cooling bed device according to claim 5, is characterized in that: the shell of described thermal insulation board (9) is during welding for steel structure part, and in-built exotic material, for heat insulation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610211748.5A CN105880301B (en) | 2014-04-25 | 2014-04-25 | A kind of operational method of steel billet turn over cooling bed device |
| CN201410174211.7A CN103920724B (en) | 2014-04-25 | 2014-04-25 | A kind of steel billet turn over cooling bed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410174211.7A CN103920724B (en) | 2014-04-25 | 2014-04-25 | A kind of steel billet turn over cooling bed device |
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| CN201610211748.5A Division CN105880301B (en) | 2014-04-25 | 2014-04-25 | A kind of operational method of steel billet turn over cooling bed device |
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| CN103920724A true CN103920724A (en) | 2014-07-16 |
| CN103920724B CN103920724B (en) | 2016-08-17 |
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| CN201610211748.5A Active CN105880301B (en) | 2014-04-25 | 2014-04-25 | A kind of operational method of steel billet turn over cooling bed device |
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| CN201610211748.5A Active CN105880301B (en) | 2014-04-25 | 2014-04-25 | A kind of operational method of steel billet turn over cooling bed device |
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| Country | Link |
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| CN (2) | CN103920724B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127216A (en) * | 2015-10-15 | 2015-12-09 | 安徽马钢工程技术集团有限公司 | Billet overturn water-cooling transmission shaft |
| CN110576055A (en) * | 2019-10-25 | 2019-12-17 | 四川德胜集团钒钛有限公司 | steel rolling cold bed control system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105270A (en) * | 2018-02-02 | 2018-06-01 | 重庆彩棠科技有限公司 | A kind of gear connection structure of high stability |
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| JPS5322856A (en) * | 1976-08-16 | 1978-03-02 | Mannesmann Ag | Cooling bed for long size rolling material |
| SU1260055A1 (en) * | 1985-04-08 | 1986-09-30 | Предприятие П/Я В-2869 | Arrangement for conveying and tilting rolled stock on cooler |
| US6460690B1 (en) * | 1999-12-17 | 2002-10-08 | Hirata Corporation | Roller conveyer |
| DE10201718A1 (en) * | 2002-01-18 | 2003-08-07 | Sms Meer Gmbh | Cooling bed used for cooling rolled material comprises lifting device for periodically lifting material to be cooled and moving the material across its longitudinal axis, and units for periodically rotating the material |
| CN203778499U (en) * | 2014-04-25 | 2014-08-20 | 安徽马钢工程技术集团有限公司 | Steel billet overturning cooling bed device |
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| SE367933B (en) * | 1972-11-09 | 1974-06-17 | Inst Chernoi Metallurgii | |
| CN2463087Y (en) * | 2000-12-30 | 2001-12-05 | 唐山钢铁股份有限公司 | Continuous casting step turn-over cold bed steel-pushing apparatus |
| CN2877920Y (en) * | 2006-02-27 | 2007-03-14 | 湖南华菱涟源钢铁有限公司 | Full hydraulic pressure driven turnover cold bed |
| CN201136003Y (en) * | 2007-12-24 | 2008-10-22 | 中冶京诚工程技术有限公司 | Straight-tooth billet-feeding mechanism of square billet turning cold bed |
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- 2014-04-25 CN CN201610211748.5A patent/CN105880301B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5322856A (en) * | 1976-08-16 | 1978-03-02 | Mannesmann Ag | Cooling bed for long size rolling material |
| SU1260055A1 (en) * | 1985-04-08 | 1986-09-30 | Предприятие П/Я В-2869 | Arrangement for conveying and tilting rolled stock on cooler |
| US6460690B1 (en) * | 1999-12-17 | 2002-10-08 | Hirata Corporation | Roller conveyer |
| DE10201718A1 (en) * | 2002-01-18 | 2003-08-07 | Sms Meer Gmbh | Cooling bed used for cooling rolled material comprises lifting device for periodically lifting material to be cooled and moving the material across its longitudinal axis, and units for periodically rotating the material |
| CN203778499U (en) * | 2014-04-25 | 2014-08-20 | 安徽马钢工程技术集团有限公司 | Steel billet overturning cooling bed device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127216A (en) * | 2015-10-15 | 2015-12-09 | 安徽马钢工程技术集团有限公司 | Billet overturn water-cooling transmission shaft |
| CN105127216B (en) * | 2015-10-15 | 2017-01-25 | 安徽马钢工程技术集团有限公司 | Billet overturn water-cooling transmission shaft |
| CN110576055A (en) * | 2019-10-25 | 2019-12-17 | 四川德胜集团钒钛有限公司 | steel rolling cold bed control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105880301A (en) | 2016-08-24 |
| CN103920724B (en) | 2016-08-17 |
| CN105880301B (en) | 2018-02-13 |
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