CN104894345A - Lifting appliance and method for mounting furnace rollers of annealing furnaces - Google Patents
Lifting appliance and method for mounting furnace rollers of annealing furnaces Download PDFInfo
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- CN104894345A CN104894345A CN201510342960.0A CN201510342960A CN104894345A CN 104894345 A CN104894345 A CN 104894345A CN 201510342960 A CN201510342960 A CN 201510342960A CN 104894345 A CN104894345 A CN 104894345A
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Abstract
The invention discloses a lifting appliance and a method for mounting furnace rollers of annealing furnaces. The lifting appliance comprises a strip-shaped rail, a moving trolley and a trolley brake apparatus. A furnace roller fixing portion is further arranged on the moving trolley, and balancing weights are further arranged on the strip-shaped rail; the furnace roller fixing portion comprises a lifting rack, and a lifting device and a roller neck compressing device are further respectively arranged on the lifting rack. The lifting appliance and the method have the advantages that the lifting appliance is simple in structure, the method is simple in operation, the gravity center position of a combined structure comprising the furnace rollers and the lifting appliance can be adjusted, accordingly, the axes of the furnace rollers can be advantageously repositioned, and the lifting appliance and the method are favorable for the hoisting safety; owing to structural characteristics of the lifting appliance, the furnace rollers can stably move by the aid of the lifting appliance under the matching effects of functions of upper components of the lifting appliance under the condition that lifting ropes are inconvenient to cross furnace shells, accordingly, the furnace rollers can be accurately fed into mounting positions, and the lifting furnace and the method are favorable for furnace roller mounting convenience.
Description
Technical field
The present invention relates to metal heat treatment equipment field, particularly relate to a kind of suspender of installing for annealing furnace roller and adopt the installation method of this suspender.
Background technology
In the heat treatment mode of metallic substance, metal is slowly heated to certain temperature, keeps enough time, then with the metal heating processing technology of Reasonable Speed cooling, be referred to as annealing.The object of annealing makes material through casting, forging rolling, welding or machining or workpiece software, improve the moulding and toughness of material or workpiece, make the chemical composition homogenizing of material or workpiece, eliminate unrelieved stress, to obtain the material physical property of desired result.Anneal in prior art to be refined as and comprise full annealed, isothermal annealing, homogenizing annealing, Spheroidizing Annealing, stress relief annealing, recrystallization annealing, stabilizing annealing, magnetic-field annealing etc.Annealed metal thermal treatment process is the integral part in existing metallic substance heat treatment mode.
Annealing furnace has been used for annealing heat treatment process, and annealing furnace furnace shell is made up of skeleton and the coaming plate be fixed on skeleton, and skeleton is generally welded by various shaped steel, and coaming plate adopts cold thin plate, and chassis mainly adopts channel-section steel as girder.In the driving part of annealing furnace, furnace roller transmission adopts electric motor, and electric motor is connected furnace roller transmission with step-down gear by universal coupling.In existing widely used annealing furnace, furnace roller weight between 2-3 tons even more than, length is generally no less than 3 meters, and the length of above furnace roller is greater than the horizontal span of furnace shell, and therefore, furnace roller cannot lift directly in place by overhead traveling crane.Simultaneously in annealing furnace, furnace roller is generally provided with multiple, and in the installation and maintenance process of annealing furnace, because the weight and volume of furnace roller, the handling difficulty that usually there is furnace roller is large, consuming timely manyly, easy to hurt sb.'s feelings or the problem of structure deteriorate accident.
Summary of the invention
Be greater than the horizontal span of furnace shell for the length of annealing furnace roller in above-mentioned prior art, furnace roller cannot lift directly in place by overhead traveling crane.In annealing furnace, furnace roller is generally provided with multiple simultaneously, in the installation and maintenance process of annealing furnace, because the weight and volume of furnace roller, usually the handling difficulty that there is furnace roller is large, consuming time many, easily to hurt sb.'s feelings or the problem of structure deteriorate accident, the invention provides a kind of suspender for annealing furnace roller installation and adopt the installation method of this suspender.
For the problems referred to above, provided by the invention a kind of for annealing furnace roller install suspender and adopt the installation method of this suspender to be achieved the goal by following technical essential: a kind of for annealing furnace roller install suspender, comprise bar shaped rail and travelling car, described travelling car is arranged on bar shaped rail and travelling car can move along the length direction of bar shaped rail, described travelling car is also provided with furnace roller fixed part, also comprise the bogie brake be fixed on bar shaped rail, described bogie brake is connected with travelling car, and bar shaped rail is also provided with balancing weight;
Described furnace roller fixed part comprises lift platform, one end and the travelling car of described lift platform are articulated and connected, the other end of lift platform is provided with furnace roller bracket, lift platform being also provided with the lifting device rotated around self and travelling car pin joint for braking lift platform, lift platform being also provided with for the fixing roll neck hold-down gear of any one end of furnace roller roll neck.
Concrete, the roll neck hold-down gear of setting is as the stationary installation of any end journal of furnace roller, and the furnace roller bracket of setting is used for providing support for furnace roller, like this, by the constraint of above axle journal and described support, just can complete furnace roller fixing on this suspender.The lifting device arranged rotates for braking lift platform around the pin joint of lift platform and travelling car, because above roll neck hold-down gear and furnace roller bracket are all positioned on lift platform, like this, in the process of lifting device action, the altitude mixture control of furnace roller relative to travelling car can be completed.The suspension bracket arranged is used for the connection of this suspender and lifting lifting gear, the for the benefit of stability of lifting safety or handling, the balancing weight arranged is used for by adjusting its weight or/and position on bar shaped rail, makes the center of gravity of the unitized construction of suspender and furnace roller drop on the link position of suspension bracket and bar shaped rail or close suspension bracket of trying one's best completely.Furnace roller handling is made to installation site, the dolly braking parts arranged is moved along the length direction of bar shaped rail for braking travelling car, like this, furnace roller can be made to be stretched out by one end of bar shaped rail, first installation site is fallen into make the free end of furnace roller, again by providing support, separating the mode that suspender and furnace roller retrain, completing the installation of the furnace roller the other end.In this process, in the process of furnace roller movement, the center of gravity of above unitized construction changes, and the form again by adjusting balancing weight above makes the right alignment of suspender balance or furnace roller and installation site, and above adjustment is also that the mode by changing balancing weight position and/or weight is realized.In above structure, by lift platform is set to bar shaped, the projection of lift platform on bar shaped rail overlaps with bar shaped rail, and furnace roller bracket is compared to the pin joint of lift platform and travelling car, and furnace roller bracket is realized above goal of the invention easily closer to the structure formation of bar shaped rail end.
Further technical scheme as above suspender:
As the structure formation that a kind of bar shaped rail equilibrium state is easy to adjust, described balancing weight comprises and is arranged on bar shaped rail away from the fixed weight block of furnace roller bracket one end and the movable weight that is arranged between bar shaped rail two ends.In above structure, fixed weight block and furnace roller bracket can be separately positioned on the difference end of bar shaped rail, movable weight between bar shaped rail two ends, compared to employing single balancing weight, two balancing weights can arrange lighter separately, are convenient to the adjustment to balancing weight in utilization process of the present invention.
As a kind of to fixed weight block and movable weight separately weight be convenient to the implementation that regulates, the mass that described fixed weight block and movable weight include balancing weight support body and be arranged in balancing weight support body, described mass by polylith independently counterweight monomer be laminated.
The structure formation that travelling car motion driving force is strong, braking travelling car moving displacement Adjustment precision is high is braked as a kind of, the transmission chain that described bogie brake comprises drive sprocket, driven sprocket and is wound on drive sprocket and driven sprocket, described travelling car is fixed on transmission chain.
For ensureing the stability of position, tractive force part of the force on transmission chain in bogie brake braking procedure as much as possible, be beneficial to the adjustment of displacement precision of this structure and the compactedness of structure, more than one of described driven sprocket, and driven sprocket contour setting in a row on bar shaped rail, further, after travelling car arrives desired location, keep for ease of the position of travelling car relative to bar shaped rail, bar shaped rail is also provided with the chain locking latches for fixed conveyor chain.
The lifting device structure way of realization simple as a kind of structure, height location Adjustment precision is high, described lifting device comprises internal thread cylinder, external thread column, worm and wormwheel seat and base, intermeshing worm and wormwheel is provided with in described worm and wormwheel seat, the upper end of described external thread column is threaded with the lower end of internal thread cylinder, the wheel of worm gear is fixed in the heart in the lower end of external thread column, base is fixed on the lower end of worm and wormwheel seat, and the lower end of the upper end of internal thread cylinder and base is articulated and connected with lift platform and travelling car respectively.
Simple as a kind of structure, be convenient to form constraint or constraint relief relation, the roll neck hold-down gear implementation conveniently adjusted to furnace roller roll neck obligatory point position height to furnace roller, described roll neck hold-down gear comprises threaded rod and two pieces of fixture blocks, every block fixture block is provided with through hole, fixture block is all arranged on threaded rod by through hole, and two nuts that threaded rod has been threaded, fixture block is all between described nut, and lower end and the lift platform of threaded rod are articulated and connected.In above structure, fix the extreme lower position of fixture block on threaded rod by the nut being in bottom, realized the clamping of two pieces of fixture blocks by the nut on top, between fixture block, be the constraint position to furnace roller roll neck.
As a kind of roll neck hold-down gear implementation reducing single threaded rod diameter, there is better rigidity, more than one of described threaded rod, and be parallel to each other between threaded rod, every block fixture block is provided with the quantity through hole equal with threaded rod quantity, and two nuts that every root threaded rod has all been threaded, between the nut of fixture block all on every root threaded rod, further, for the benefit of fixture block carries out stable clamping to furnace roller roll neck, and the sides adjacent of two fixture blocks is provided with groove.
The invention also discloses a kind of annealing furnace roller installation method, this installation method adopts above any one suspender provided, and described installation method comprises the following steps that order is carried out:
1), adopt hoisting and hanging device by furnace roller lifting to described suspender, the below of furnace roller is contacted with furnace roller bracket, and the roll neck of any one end of furnace roller is connected with roll neck hold-down gear;
2) connection of hoisting and hanging device and furnace roller, is removed;
3), by hoisting and hanging device be connected with suspension bracket, suspender is hung bottom surface by braking hoisting and hanging device, the adjustment position of balancing weight on bar shaped rail (13) length direction, suspender translation is transported to annealing furnace furnace shell and takes up an official post the side of a meaning bearing block for furnace roller;
4), by braking hoisting and hanging device, adjustment balancing weight position and braking lifting device, make the line 1-1.5cm of furnace roller near the axle center, one end of bearing block for furnace roller higher than two bearing block for furnace roller axle center, furnace roller away from the axle center, one end of bearing block for furnace roller lower than the line 2-3cm in two bearing block for furnace roller axle center, and the now line in furnace roller axis and two bearing block for furnace roller axle center projection line conllinear on the ground;
5), brake chain movement, make furnace roller towards an end motion of bearing block for furnace roller, complete connection or the cooperation of furnace roller free end and corresponding bearing block for furnace roller, install bottom furnace roller and support, remove the connection of suspender and furnace roller, complete linking or coordinating of furnace roller and another bearing block for furnace roller.
Concrete, the method more than provided depends on the above hanger structure provided, compared to prior art, overhead traveling crane or the driving in workshop residing for annealing furnace can be utilized, in installation site, furnace roller is moved into by the side of furnace roller installation site, do not conflict with furnace shell in above process lifting rope desired position, by braking the method that furnace roller moves on suspender, the utility appliance completed needed for furnace roller installation is few; The method of furnace roller axis and furnace roller installation site axis relative position is adjusted by balancing weight, can effectively reduce furnace roller in handling process with workmen, other equipment or parts collide, non-artificial slippage occurs furnace roller possibility, like this, not only be beneficial to the installation effectiveness of furnace roller, be also beneficial to the security in furnace roller installation process.Further, present method is intended to relative to the High definition of installation site axis the obliquity limiting furnace roller to furnace roller two ends respectively in step 4), the setting of above obliquity is intended in the process that furnace roller stretches into installation site, because this suspender and furnace roller unitized construction center of gravity move to side, installation site, like this, bar shaped rail slowly declines towards the side of furnace roller installation site, more than be obliquely installed and be equivalent to provide a kind of precautionary measures, to make furnace roller and furnace roller installation site in the process that slowly declines towards the side of furnace roller installation site at bar shaped rail, there is the right alignment of becoming better and better.
As the further technical scheme of above installation method, for ease of improving the efficiency to same annealing furnace same type furnace roller lifting, in step 4), also comprise marking procedures, described marking procedures is for after furnace roller meets the requirements of position and obliquity, the position of mark travelling car on bar shaped rail and/or mark hoisting and hanging device are to the lift height of suspender, and the mark of above setting can be lifting next time provides reference; For ease of furnace roller is imported bearing support, in step 5), before the motion of braking furnace roller, also comprise axis of guide fixed work order, described axis of guide fixed work order is the axis of guide that is fixing on the free end of furnace roller and furnace roller axis collinear.
The present invention has following beneficial effect:
1, the invention provides a kind of suspender of installing for annealing furnace roller and adopt the installation method of this suspender, this hanger structure is simple, the constructional feature of this suspender is convenient in the whole process of furnace roller handling simultaneously, the position of centre of gravity of the unitized construction that furnace roller and suspender form is regulated, not only be beneficial to furnace roller axial location to regulate, be also beneficial to the security of lifting; The constructional feature of suspender is convenient to when lifting rope is not easy to walk around furnace shell simultaneously, namely inconvenience adopt by braking hoisting and hanging arrange further furnace roller and furnace roller installation site distance when, coordinate the function of suspender upper-part, just can be realized the steady movement of furnace roller by suspender, finally furnace roller be sent into installation site accurately.
2, method provided by the invention depends on the above hanger structure provided, compared to prior art, overhead traveling crane or the driving in workshop residing for annealing furnace can be utilized, in installation site, furnace roller is moved into by the side of furnace roller installation site, do not conflict with furnace shell in above process lifting rope desired position, by braking the method that furnace roller moves on suspender, the utility appliance completed needed for furnace roller installation is few; The method of furnace roller axis and furnace roller installation site axis relative position is adjusted by balancing weight, can effectively reduce furnace roller in handling process with workmen, other equipment or parts collide, non-artificial slippage occurs furnace roller possibility, like this, not only be beneficial to the installation effectiveness of furnace roller, be also beneficial to the security in furnace roller installation process.Further, present method is intended to relative to the High definition of installation site axis the obliquity limiting furnace roller to furnace roller two ends respectively in step 4), the setting of above obliquity is intended in the process that furnace roller stretches into installation site, because this suspender and furnace roller unitized construction center of gravity move to side, installation site, like this, bar shaped rail slowly declines towards the side of furnace roller installation site, more than be obliquely installed and be equivalent to provide a kind of precautionary measures, to make furnace roller and furnace roller installation site in the process that slowly declines towards the side of furnace roller installation site at bar shaped rail, there is the right alignment of becoming better and better.
Accompanying drawing explanation
Fig. 1 is the structural front view of an a kind of suspender specific embodiment for annealing furnace roller installation of the present invention;
Fig. 2 is in a kind of suspender specific embodiment for annealing furnace roller installation of the present invention, the structural representation of lifting device.
Numbering in figure is followed successively by: 1, fixed weight block, and 2, drive sprocket, 3, driven sprocket, 4, transmission chain, 5, suspension bracket, 6, travelling car, 7, movable weight, 8, lift platform, 9, lifting device, 91, internal thread cylinder, 92, external thread column, 93, worm and wormwheel seat, 94, base, 10, roll neck hold-down gear, 101, threaded rod, 102, fixture block, 103, groove, 11, furnace roller bracket, 12, chain locking latches, 13, bar shaped rail.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but structure of the present invention is not limited only to following examples.
Embodiment 1:
As Fig. 1 and Fig. 2, a kind of suspender installed for annealing furnace roller, comprise bar shaped rail 13 and travelling car 6, described travelling car 6 is arranged on bar shaped rail 13 and travelling car 6 can move along the length direction of bar shaped rail 13, described travelling car 6 is also provided with furnace roller fixed part, also comprise the bogie brake be fixed on bar shaped rail 13, described bogie brake is connected with travelling car 6, and bar shaped rail 13 is also provided with balancing weight;
Described furnace roller fixed part comprises lift platform 8, one end and the travelling car 6 of described lift platform 8 are articulated and connected, the other end of lift platform 8 is provided with furnace roller bracket 11, lift platform 8 being also provided with the lifting device 9 rotated around self and travelling car 6 pin joint for braking lift platform 8, lift platform 8 being also provided with for the fixing roll neck hold-down gear 10 of any one end of furnace roller roll neck.
In the present embodiment, the roll neck hold-down gear 10 arranged as the stationary installation of any end journal of furnace roller, the furnace roller bracket 11 of setting for providing support for furnace roller, like this, by to the constraint of above axle journal and described support, fixing on this suspender of furnace roller just can be completed.The lifting device 9 arranged rotates around the pin joint of lift platform 8 with travelling car 6 for braking lift platform 8, because above roll neck hold-down gear 10 and furnace roller bracket 11 are all positioned on lift platform 8, like this, in the process of lifting device 9 action, the altitude mixture control of furnace roller relative to travelling car 6 can be completed.The suspension bracket 5 arranged is for the connection of this suspender with lifting lifting gear, the for the benefit of stability of lifting safety or handling, the balancing weight arranged is used for by adjusting its weight or/and position on bar shaped rail 13, makes the center of gravity of the unitized construction of suspender and furnace roller drop on link position or the close suspension bracket 5 as far as possible of suspension bracket 5 and bar shaped rail 13 completely.Furnace roller handling is made to installation site, the dolly braking parts arranged is moved along the length direction of bar shaped rail 13 for braking travelling car 6, like this, furnace roller can be made to be stretched out by one end of bar shaped rail 13, first installation site is fallen into make the free end of furnace roller, again by providing support, separating the mode that suspender and furnace roller retrain, completing the installation of the furnace roller the other end.In this process, in the process of furnace roller movement, the center of gravity of above unitized construction changes, and the form again by adjusting balancing weight above makes the right alignment of suspender balance or furnace roller and installation site, and above adjustment is also that the mode by changing balancing weight position and/or weight is realized.In above structure, by lift platform 8 is set to bar shaped, the projection of lift platform 8 on bar shaped rail 13 overlaps with bar shaped rail 13, furnace roller bracket 11 is compared to pin joint with travelling car 6 of lift platform 8, and furnace roller bracket 11 is realized above goal of the invention easily closer to the structure formation of bar shaped rail 13 end.
Embodiment 2:
As Fig. 1 and Fig. 2, the present embodiment is further qualified on the basis of embodiment 1: as the structure formation that a kind of bar shaped rail 13 equilibrium state is easy to adjust, and described balancing weight comprises and is arranged on bar shaped rail 13 away from the fixed weight block 1 of furnace roller bracket 11 one end and the movable weight 7 that is arranged between bar shaped rail 13 two ends.In above structure, fixed weight block 1 and furnace roller bracket 11 can be separately positioned on the difference end of bar shaped rail 13, movable weight 7 is between bar shaped rail 13 two ends, compared to the single balancing weight of employing, two balancing weights can arrange lighter separately, are convenient to the adjustment to balancing weight in utilization process of the present invention.
As a kind of implementation fixed weight block 1 and the respective weight of movable weight 7 being convenient to regulate, the mass that described fixed weight block 1 and movable weight 7 include balancing weight support body and be arranged in balancing weight support body, described mass by polylith independently counterweight monomer be laminated.
Embodiment 3:
As Fig. 1 and Fig. 2, the present embodiment is further qualified on the basis of embodiment 1: brake as a kind of the structure formation that travelling car 6 motion driving force is strong, braking travelling car 6 moving displacement Adjustment precision is high, the transmission chain 4 that described bogie brake comprises drive sprocket 2, driven sprocket 3 and is wound on drive sprocket 2 and driven sprocket 3, described travelling car 6 is fixed on transmission chain 4.
For ensureing the stability of position, tractive force part of the force on transmission chain 4 in bogie brake braking procedure as much as possible, be beneficial to the adjustment of displacement precision of this structure and the compactedness of structure, more than one of described driven sprocket 3, and driven sprocket 3 contour setting in a row on bar shaped rail 13, further, after travelling car 6 arrives desired location, keep for ease of the position of travelling car 6 relative to bar shaped rail 13, bar shaped rail 13 is also provided with the chain locking latches 12 for fixed conveyor chain 4.
Embodiment 4:
As Fig. 1 and Fig. 2, the present embodiment is further qualified on the basis of embodiment 1: simple as a kind of structure, the lifting device 9 structure way of realization that height location Adjustment precision is high, described lifting device 9 comprises internal thread cylinder 91, external thread column 92, worm and wormwheel seat 93 and base 94, intermeshing worm and wormwheel is provided with in described worm and wormwheel seat 93, the upper end of described external thread column 92 is threaded with the lower end of internal thread cylinder 91, the wheel of worm gear is fixed in the heart in the lower end of external thread column 92, base 94 is fixed on the lower end of worm and wormwheel seat 93, and the lower end of the upper end of internal thread cylinder 91 and base 94 is articulated and connected with lift platform 8 and travelling car 6 respectively.
Simple as a kind of structure, be convenient to form constraint or constraint relief relation, roll neck hold-down gear 10 implementation conveniently adjusted to furnace roller roll neck obligatory point position height to furnace roller, described roll neck hold-down gear 10 comprises threaded rod 101 and two pieces of fixture blocks 102, every block fixture block 102 is provided with through hole, fixture block 102 is all arranged on threaded rod 101 by through hole, and two nuts that threaded rod 101 has been threaded, fixture block 102 is all between described nut, and lower end and the lift platform of threaded rod 101 are articulated and connected.In above structure, fix the extreme lower position of fixture block 102 on threaded rod 101 by the nut being in bottom, realized the clamping of two pieces of fixture blocks 102 by the nut on top, between fixture block 102, be the constraint position to furnace roller roll neck.
As a kind of roll neck hold-down gear 10 implementation reducing single threaded rod 101 diameter, there is better rigidity, more than one of described threaded rod 101, and be parallel to each other between threaded rod 101, every block fixture block 102 is provided with the through hole that quantity is equal with threaded rod 101 quantity, and two nuts that every root threaded rod 101 has all been threaded, between the nut of fixture block 102 all on every root threaded rod 101, further, for the benefit of fixture block 102 pairs of furnace roller roll necks carry out stable clamping, and the sides adjacent of two fixture blocks 102 is provided with groove 103.
Embodiment 5:
Present embodiments provide a kind of annealing furnace roller installation method, any one suspender that this installation method adopts any one embodiment above to provide, described installation method comprises the following steps that order is carried out:
1), adopt hoisting and hanging device by furnace roller lifting to described suspender, the below of furnace roller is contacted with furnace roller bracket 11, and the roll neck of any one end of furnace roller is connected with roll neck hold-down gear 10;
2) connection of hoisting and hanging device and furnace roller, is removed;
3), by hoisting and hanging device be connected with suspension bracket 5, suspender is hung bottom surface by braking hoisting and hanging device, and adjustment balancing weight is at bar shaped rail 13(13) position on length direction, suspender translation is transported to annealing furnace furnace shell and takes up an official post the side of a meaning bearing block for furnace roller;
4), by braking hoisting and hanging device, adjustment balancing weight position and braking lifting device 9, make the line 1-1.5cm of furnace roller near the axle center, one end of bearing block for furnace roller higher than two bearing block for furnace roller axle center, furnace roller away from the axle center, one end of bearing block for furnace roller lower than the line 2-3cm in two bearing block for furnace roller axle center, and the now line in furnace roller axis and two bearing block for furnace roller axle center projection line conllinear on the ground;
5), brake actuating chain 4 moves, make furnace roller towards an end motion of bearing block for furnace roller, complete connection or the cooperation of furnace roller free end and corresponding bearing block for furnace roller, install bottom furnace roller and support, remove the connection of suspender and furnace roller, complete linking or coordinating of furnace roller and another bearing block for furnace roller.
In the present embodiment, the method more than provided depends on the above hanger structure provided, compared to prior art, overhead traveling crane or the driving in workshop residing for annealing furnace can be utilized, in installation site, furnace roller is moved into by the side of furnace roller installation site, do not conflict with furnace shell in above process lifting rope desired position, by braking the method that furnace roller moves on suspender, the utility appliance completed needed for furnace roller installation is few; The method of furnace roller axis and furnace roller installation site axis relative position is adjusted by balancing weight, can effectively reduce furnace roller in handling process with workmen, other equipment or parts collide, non-artificial slippage occurs furnace roller possibility, like this, not only be beneficial to the installation effectiveness of furnace roller, be also beneficial to the security in furnace roller installation process.Further, present method is intended to relative to the High definition of installation site axis the obliquity limiting furnace roller to furnace roller two ends respectively in step 4), the setting of above obliquity is intended in the process that furnace roller stretches into installation site, because this suspender and furnace roller unitized construction center of gravity move to side, installation site, like this, bar shaped rail 13 slowly declines towards the side of furnace roller installation site, more than be obliquely installed and be equivalent to provide a kind of precautionary measures, to make furnace roller and furnace roller installation site in the process that slowly declines towards the side of furnace roller installation site at bar shaped rail 13, there is the right alignment of becoming better and better.
As the further technical scheme of above installation method, for ease of improving the efficiency to same annealing furnace same type furnace roller lifting, in step 4), also comprise marking procedures, described marking procedures is for after furnace roller meets the requirements of position and obliquity, the position of mark travelling car 6 on bar shaped rail 13 and/or mark hoisting and hanging device are to the lift height of suspender, and the mark of above setting can be lifting next time provides reference; For ease of furnace roller is imported bearing support, in step 5), before the motion of braking furnace roller, also comprise axis of guide fixed work order, described axis of guide fixed work order is the axis of guide that is fixing on the free end of furnace roller and furnace roller axis collinear.
Above content is the further description done the present invention in conjunction with concrete preferred implementation, can not assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, not departing from other embodiments drawn under technical scheme of the present invention, all should be included in protection scope of the present invention.
Claims (10)
1. the suspender installed for annealing furnace roller, comprise bar shaped rail (13) and travelling car (6), described travelling car (6) is arranged on the upper and travelling car (6) of bar shaped rail (13) and can moves along the length direction of bar shaped rail (13), (6) are also provided with furnace roller fixed part with described travelling car, it is characterized in that, also comprise the bogie brake be fixed on bar shaped rail (13), described bogie brake is connected with travelling car (6), and (13) are also provided with balancing weight to bar shaped rail;
Described furnace roller fixed part comprises lift platform (8), one end and the travelling car (6) of described lift platform (8) are articulated and connected, the other end of lift platform (8) is provided with furnace roller bracket (11), lift platform (8) being also provided with the lifting device (9) rotated around self and travelling car (6) pin joint for braking lift platform (8), lift platform (8) being also provided with for the fixing roll neck hold-down gear (10) of any one end of furnace roller roll neck.
2. a kind of suspender installed for annealing furnace roller according to claim 1, it is characterized in that, described balancing weight comprises and is arranged on bar shaped rail (13) away from the fixed weight block (1) of furnace roller bracket (11) one end and the movable weight (7) that is arranged between bar shaped rail (13) two ends.
3. a kind of suspender installed for annealing furnace roller according to claim 2, it is characterized in that, the mass that described fixed weight block (1) and movable weight (7) include balancing weight support body and be arranged in balancing weight support body, described mass by polylith independently counterweight monomer be laminated.
4. a kind of suspender installed for annealing furnace roller according to claim 1, it is characterized in that, the transmission chain (4) that described bogie brake comprises drive sprocket (2), driven sprocket (3) and is wound on drive sprocket (2) and driven sprocket (3), described travelling car (6) is fixed on transmission chain (4).
5. according to a kind of suspender installed for annealing furnace roller in claim described in 4, it is characterized in that, more than one of described driven sprocket (3), and driven sprocket (3) is in the upper contour setting in a row of bar shaped rail (13), bar shaped rail (13) is also provided with the chain locking latches (12) for fixed conveyor chain (4).
6. a kind of suspender installed for annealing furnace roller according to claim 1, it is characterized in that, described lifting device (9) comprises internal thread cylinder (91), external thread column (92), worm and wormwheel seat (93) and base (94), intermeshing worm and wormwheel is provided with in described worm and wormwheel seat (93), the upper end of described external thread column (92) is threaded with the lower end of internal thread cylinder (91), the wheel of worm gear is fixed in the heart in the lower end of external thread column (92), base (94) is fixed on the lower end of worm and wormwheel seat (93), and the lower end of the upper end of internal thread cylinder (91) and base (94) is articulated and connected with lift platform (8) and travelling car (6) respectively.
7. a kind of suspender installed for annealing furnace roller according to claim 1, it is characterized in that, described roll neck hold-down gear (10) comprises threaded rod (101) and two pieces of fixture blocks (102), every block fixture block (102) is provided with through hole, fixture block (102) is all arranged on threaded rod (101) by through hole, and two nuts that threaded rod (101) has been threaded, fixture block (102) is all between described nut, and lower end and the lift platform (8) of threaded rod (101) are articulated and connected.
8. a kind of suspender installed for annealing furnace roller according to claim 7, it is characterized in that, more than one of described threaded rod (101), and be parallel to each other between threaded rod (101), every block fixture block (102) is provided with the quantity through hole equal with threaded rod (101) quantity, and two nuts that every root threaded rod (101) has all been threaded, fixture block (102) is all positioned between the nut on every root threaded rod (101), and the sides adjacent of two fixture blocks (102) is provided with groove (103).
9. an annealing furnace roller installation method, is characterized in that, this installation method adopts any one suspender provided in claim 1-8, and described installation method comprises the following steps that order is carried out:
1), adopt hoisting and hanging device by furnace roller lifting to described suspender, the below of furnace roller is contacted with furnace roller bracket, and the roll neck of any one end of furnace roller is connected with roll neck hold-down gear;
2) connection of hoisting and hanging device and furnace roller, is removed;
3), hoisting and hanging device is connected with suspension bracket (5), suspender is hung bottom surface by braking hoisting and hanging device, the adjustment position of balancing weight on bar shaped rail (13) length direction, is transported to annealing furnace furnace shell and takes up an official post the side of a meaning bearing block for furnace roller by suspender translation;
4), by braking hoisting and hanging device, adjustment balancing weight position and braking lifting device (9), make the line 1-1.5cm of furnace roller near the axle center, one end of bearing block for furnace roller higher than two bearing block for furnace roller axle center, furnace roller away from the axle center, one end of bearing block for furnace roller lower than the line 2-3cm in two bearing block for furnace roller axle center, and the now line in furnace roller axis and two bearing block for furnace roller axle center projection line conllinear on the ground;
5), brake actuating chain (4) motion, make furnace roller towards an end motion of bearing block for furnace roller, complete connection or the cooperation of furnace roller free end and corresponding bearing block for furnace roller, install bottom furnace roller and support, remove the connection of suspender and furnace roller, complete linking or coordinating of furnace roller and another bearing block for furnace roller.
10. a kind of annealing furnace roller installation method according to claim 9, it is characterized in that, in step 4), also comprise marking procedures, described marking procedures is for after furnace roller meets the requirements of position and obliquity, and the position of mark travelling car on bar shaped rail (13) and/or mark hoisting and hanging device are to the lift height of suspender;
In step 5), before the motion of braking furnace roller, also comprise axis of guide fixed work order, described axis of guide fixed work order is the axis of guide that is fixing on the free end of furnace roller and furnace roller axis collinear.
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| CN201510342960.0A CN104894345B (en) | 2015-06-19 | 2015-06-19 | A kind of suspender for annealing furnace roller installation and the installation method using this suspender |
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| CN201510342960.0A CN104894345B (en) | 2015-06-19 | 2015-06-19 | A kind of suspender for annealing furnace roller installation and the installation method using this suspender |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113957234A (en) * | 2020-07-20 | 2022-01-21 | 中冶宝钢技术服务有限公司 | Seal roller replacing method and replacing device |
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| CN102040158A (en) * | 2010-12-31 | 2011-05-04 | 中冶南方(武汉)威仕工业炉有限公司 | Furnace roller hanger for hoisting |
| CN201980837U (en) * | 2010-12-24 | 2011-09-21 | 本钢板材股份有限公司 | Lifting appliance for replacing furnace top roller of annealing furnace |
| CN202508744U (en) * | 2011-12-19 | 2012-10-31 | 中国一冶集团有限公司 | Lifting appliance with movable balance weight |
| CN203079509U (en) * | 2012-10-31 | 2013-07-24 | 中国二十冶集团有限公司 | Special movable hoisting device for furnace roller |
| CN204690066U (en) * | 2015-06-19 | 2015-10-07 | 中国五冶集团有限公司 | A kind of suspender installed for annealing furnace roller |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201980837U (en) * | 2010-12-24 | 2011-09-21 | 本钢板材股份有限公司 | Lifting appliance for replacing furnace top roller of annealing furnace |
| CN102040158A (en) * | 2010-12-31 | 2011-05-04 | 中冶南方(武汉)威仕工业炉有限公司 | Furnace roller hanger for hoisting |
| CN202508744U (en) * | 2011-12-19 | 2012-10-31 | 中国一冶集团有限公司 | Lifting appliance with movable balance weight |
| CN203079509U (en) * | 2012-10-31 | 2013-07-24 | 中国二十冶集团有限公司 | Special movable hoisting device for furnace roller |
| CN204690066U (en) * | 2015-06-19 | 2015-10-07 | 中国五冶集团有限公司 | A kind of suspender installed for annealing furnace roller |
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| CN113957234A (en) * | 2020-07-20 | 2022-01-21 | 中冶宝钢技术服务有限公司 | Seal roller replacing method and replacing device |
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