CN102956340A - Demagnetizing method and device for steel wire lining conveyer belt by double magnetic rollers - Google Patents
Demagnetizing method and device for steel wire lining conveyer belt by double magnetic rollers Download PDFInfo
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- CN102956340A CN102956340A CN2011102537633A CN201110253763A CN102956340A CN 102956340 A CN102956340 A CN 102956340A CN 2011102537633 A CN2011102537633 A CN 2011102537633A CN 201110253763 A CN201110253763 A CN 201110253763A CN 102956340 A CN102956340 A CN 102956340A
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Abstract
The invention relates to a demagnetizing method and device, and in particular relates to a demagnetizing method and device for a steel wire lining conveyer belt by double magnetic rollers. The demagnetizing method for the steel wire lining conveyer belt by double magnetic rollers comprises the steps of: placing two demagnetizing rollers (1 and 7) respectively above and below the steel wire lining conveyer belt (5), wherein the demagnetizing rollers are multiple-magnetic-pole magnetic rollers with adjacent heterospoles, and the diameters of the demagnetizing rollers are the same, the numbers of the magnetic poles are equal, and the magnetic densities are the same. The two demagnetizing rollers are synchronous at the same speed and rotate in opposite directions (2 and 6), and the heterospoles of the two demagnetizing rollers which rotate synchronously are opposite to each other; and the steel wire (4) lining conveyer belt moves. According to the demagnetizing method and device for the steel wire lining conveyer belt by the double magnetic rollers provided by the invention, the demagnetizing magnetic field is an alternating magnetic field which penetrates through the conveyer belt. The demagnetizing device provided by the invention is simple and compact in structure and easy to implement. Through field conduct and use, the lining steel wire of the demagnetized steel wire lining conveyer belt can be penetrated through more than 10mm, so that a demagnetizing effect is remarkable.
Description
Technical field
The present invention relates to a kind of demagnetization method and device, relate in particular to a kind of steel wire lining conveyor belt demagnetization method and device.
Background technology
The high-speed conveyer belt unit of certain enterprise all adopts is that thickness reaches the super-strength steel wire lining conveyor belt that 26.1mm, width reach 1600mm.The per share wirerope diameter of gather arranging in the conveyer belt reaches 8.1mm, and conveyer belt acknowledgement of consignment load-carrying is large, is one of state-of-the-art loose mineral aggregate supply line in the world.Steel wire conveying belt is owing to affected by the high-power electromagnet of tramp iron separator, and magnetization phenomenon is very serious.Chinese patent 200910053944.4 discloses a kind of conveyer belt multi-pole magnetic roller asynchronous demagnetizing device, this degaussing gear adopts the mechanical demagnetization of multi-pole magnetic roller, but the steel wire lining conveyor belt that reaches 8.1mm for the per share wirerope diameter of arrangement that gathers often also unsatisfactory part can occur, mainly be: 1) existing demagnetization roller magnetic intensity has reached maximum, can't further improve again; 2) because the steel wire closeness in the conveyer belt is high, existing single face demagnetization roller " penetration power " is inadequate, so that the remanent magnetism index is often very high in the steel wire conveying belt.So steel wire lining conveyor belt does not also reach best erasure effect.
Summary of the invention
The object of the present invention is to provide the two magnetic roller demagnetization methods of a kind of steel wire lining conveyor belt and device, this pair magnetic roller demagnetization method and device adopt the alternating magnetic field that penetrates conveyer belt, and the steel wire lining conveyor belt erasure effect is obvious.
To achieve these goals, the present invention adopts following technical scheme:
The two magnetic roller demagnetization methods of a kind of steel wire lining conveyor belt, two demagnetization rollers are laid respectively at the above and below of steel wire lining conveyor belt, described demagnetization roller is the adjacent many magnetic poles roller of heteropole, and two demagnetization roller diameters are identical, number of magnetic poles is identical, and magnetic density is also identical, two demagnetization roller synchronous same-speeds, opposite direction rotating, two demagnetization roller heteropoles are relative when rotating synchronously; Steel wire lining conveyor belt is mobile in service.
Described two demagnetization rollers are installed on the terminal slewing rollers place of conveyer belt, and two folder plain-barreled rolls are housed in two demagnetization roller the place aheads, and conveyer belt enters in the middle of two demagnetization rollers after being pressed from both sides the plain-barreled roll leveling.
The two magnetic roller degaussing gears of a kind of steel wire lining conveyor belt comprise demagnetization roller, lower demagnetization roller, upper demagnetization roller driving pulley, lower demagnetization roller driving pulley, upper demagnetization roller rotation axis bearing pedestal, lower demagnetization roller rotation axis bearing pedestal, fixed support, motor power output belt pulley, belt guide pulley;
Described upper demagnetization roller inner sleeve is loaded onto demagnetization roller rotation axis, upper demagnetization roller rotation axis is installed on the both sides in the demagnetization roller rotation axis bearing pedestal, bearing pedestal is installed on the upper fixed support through bolt, upper fixed support is installed on the framework slotted eye through set bolt, and an end of upper demagnetization roller rotation axis is equipped with demagnetization roller driving pulley;
Described lower demagnetization roller inner sleeve loads demagnetization roller rotation axis, lower demagnetization roller rotation axis is installed under the both sides in the demagnetization roller rotation axis bearing pedestal, bearing pedestal is installed on the lower fixed support through bolt, lower fixed support is installed on the framework slotted eye through set bolt, and an end of lower demagnetization roller rotation axis is equipped with lower demagnetization roller driving pulley;
Described motor power output belt pulley connects upper demagnetization roller driving pulley, lower demagnetization roller driving pulley and belt guide pulley through driving belt, so that upper demagnetization roller and lower demagnetization roller opposite direction rotating, motor power output belt pulley is rotated by motor-driven; Described upper demagnetization roller driving pulley is identical with lower demagnetization roller driving belt wheel diameter;
Described belt guide pulley is installed on the belt guide pulley bearing pedestal through rotating shaft, and the belt guide pulley bearing pedestal is fixedly mounted on the framework through bolt;
Described up and down demagnetization roller lays respectively at the above and below of steel wire lining conveyor belt, and the demagnetization roller is the adjacent many magnetic poles roller of heteropole up and down, and two demagnetization roller diameters are identical, and number of magnetic poles is identical, and magnetic density is also identical.
The two magnetic roller degaussing gears of a kind of steel wire lining conveyor belt comprise demagnetization roller, lower demagnetization roller, upper demagnetization roller travelling gear, lower demagnetization roller travelling gear, upper demagnetization roller rotation axis bearing pedestal, lower demagnetization roller rotation axis bearing pedestal, motor power output gear;
Described upper demagnetization roller inner sleeve is loaded onto demagnetization roller rotation axis, and upper demagnetization roller rotation axis is installed on the both sides in the demagnetization roller rotation axis bearing pedestal, and bearing pedestal is fixedly mounted on the frame, and an end of upper demagnetization roller rotation axis is equipped with demagnetization roller travelling gear;
Described lower demagnetization roller inner sleeve loads demagnetization roller rotation axis, and lower demagnetization roller rotation axis is installed under the both sides in the demagnetization roller rotation axis bearing pedestal, and bearing pedestal is fixedly mounted on the frame, and an end of lower demagnetization roller rotation axis is equipped with lower demagnetization roller travelling gear;
Described motor power output gear and the engagement of lower demagnetization roller travelling gear, lower demagnetization roller travelling gear and the engagement of upper demagnetization roller travelling gear, so that upper demagnetization roller and lower demagnetization roller opposite direction rotating, synchronization, the motor power output gear is by motor-driven;
Described up and down demagnetization roller lays respectively at the above and below of steel wire lining conveyor belt, and the demagnetization roller is the adjacent many magnetic poles roller of heteropole up and down, and two demagnetization roller diameters are identical, and number of magnetic poles is identical, and magnetic density is also identical.
Described lower demagnetization roller travelling gear and upper demagnetization roller travelling gear diameter, the number of teeth are identical with modulus.
The present invention adopts two demagnetization rollers to lay respectively at the above and below of steel wire lining conveyor belt, and two heteropole magnetic poles of two demagnetization rollers are attracted each other and consisted of magnetic field, and its magnetic line of force penetrates the steel wire in the steel wire lining conveyor belt.Along with two demagnetization roller synchronous high-speed runnings, constantly produce alternating magnetic field between two heteropole magnetic poles of two demagnetization rollers, conveyer belt is just by the strong alternating magnetic field of experience; Simultaneously, operating conveyer belt can leave and far remove two synchronous demagnetization rollers, has realized again the condition that the necessary magnetic field alternation of demagnetization successively decreases, thereby realizes the demagnetization purpose to steel wire lining conveyor belt.
Of the present invention pair of magnetic roller degaussing gear is simple in structure, compact, implements easily.Use through field conduct, can be penetrated more than the 10mm by its liner steel wire of the steel wire lining conveyor belt of demagnetization, erasure effect is obvious.
Description of drawings
Fig. 1 is the two magnetic roller demagnetization method schematic diagrames of steel wire lining conveyor belt of the present invention;
Fig. 2 is of the present invention pair of magnetic roller group installation site schematic diagram;
Fig. 3 is demagnetization roll structure schematic diagram of the present invention;
Fig. 4 is the structural representation of the two magnetic roller degaussing gear embodiment 1 of steel wire lining conveyor belt of the present invention;
Fig. 5 is the left view (omission framework) of Fig. 4;
Fig. 6 is the structural representation of the two magnetic roller degaussing gear embodiment 2 of steel wire lining conveyor belt of the present invention;
Fig. 7 is the left view of Fig. 6.
Among the figure: demagnetization roller on 1, the demagnetization roller turns on 2,3 magnetic lines of force, 4 steel wires, 5 steel wire lining conveyor belts, 6 times the demagnetization roller turns to, 7 times demagnetization rollers; The terminal slewing rollers of 11 conveyer belts, 12 is of the present invention pair of demagnetization roller group, 13 carry the strap clamp plain-barreled roll;
21 motors, 22 motor powers output belt pulley, 23 driving belts, demagnetization roller driving pulley on 24, demagnetization roller rotation axis bearing pedestal on 25,26 belt guide pulleys, 27 times demagnetization roller driving pulleys, 28 steel wire lining conveyor belts, 29 frameworks, fixed support on 30,31 slotted eyes, 32 set bolts, 33 belt guide pulley bearing pedestals, 34 bolts, 35 bolts, 36 times demagnetization roller rotation axis bearing pedestals, 37 pairs of adjustable Directional Signs of demagnetization roller, demagnetization roller rotation axis on 38, demagnetization roller on 39,40 times demagnetization roller rotation axiss, 41 times demagnetization rollers, 42 times fixed supports;
51 motors, 52 motor power output gears, demagnetization roller travelling gear on 53,54 times demagnetization roller travelling gears, demagnetization roller rotation axis bearing pedestal on 55, demagnetization roller rotation axis on 56, demagnetization roller on 57,58 times demagnetization roller rotation axis bearing pedestals, 59 times demagnetization roller rotation axiss, 60 times demagnetization rollers.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, the two magnetic roller demagnetization methods of a kind of steel wire lining conveyor belt, two demagnetization rollers 1,7 lay respectively at the above and below of steel wire lining conveyor belt 5, and described demagnetization roller 1,7 is the adjacent many magnetic poles roller of heteropole, referring to Fig. 3, and two demagnetization rollers 1,7 diameters are identical, two demagnetization rollers 1,7 number of magnetic poles are identical, and magnetic density is also identical, two demagnetization rollers 1,7 synchronous same-speeds, opposite direction rotating 2,6, two demagnetization rollers 1 when rotating synchronously, 7 heteropoles are relative.
When two demagnetization rollers 1,7 rotated, two demagnetization rollers 1, two heteropole magnetic poles of 7 can be attracted each other, and its magnetic line of force 3 penetrates the steel wire 4 in the steel wire lining conveyor belt 5.Described two demagnetization rollers 1,7 heteropoles are relative, are the N utmost point of demagnetization roller 1 corresponding to the S utmost point of lower demagnetization roller 7, perhaps go up the S utmost point of demagnetization roller 1 corresponding to the N utmost point of lower demagnetization roller 7.Because two demagnetization rollers 1,7 diameters are identical, number of magnetic poles is identical, and magnetic density is also identical, and with the synchronous opposite direction rotating of identical speed; When up and down synchronously demagnetization roller 1,7 magnetic induction lines be assumed to be lower N → upper S, next be exactly to go up N → lower S.Along with synchronous demagnetization roller 1,7 run up, conveyer belt 5 will experience strong alternating magnetic field; Simultaneously, operating conveyer belt 5 is positioned at two synchronous demagnetization rollers 1,7 centre, conveyer belt 5 can leave and far remove two synchronous demagnetization rollers 1,7, has realized again the condition that the necessary magnetic field alternation of demagnetization successively decreases, thereby realizes the demagnetization purpose to steel wire lining conveyor belt 5.
The magnetic intensities that described two demagnetization rollers 1,7 produce must be greater than steel wire lining conveyor belt 5, and the demagnetization roller can adopt more magnetic to number of poles, and preferably adopts rare-earth permanent magnet as magnetic pole, and demagnetization roller 1,7 and steel wire lining conveyor belt 5 approaching as far as possible.
Magnetic flux alternative frequency during demagnetization can be controlled by two demagnetization rollers 1,7 synchronous speed, and direction of rotation that also can be by changing two demagnetization rollers 1,7 synchronous speed and the moving direction of steel wire lining conveyor belt are adjusted.If the direction of rotation of two demagnetization rollers 1,7 synchronous speed is identical with the moving direction of steel wire lining conveyor belt, then the alternative frequency of alternating magnetic field is less; If the direction of rotation of two demagnetization rollers 1,7 synchronous speed is opposite with the moving direction of steel wire lining conveyor belt, then the alternative frequency of alternating magnetic field is larger.
Spacing between described two demagnetization rollers 1,7 can be adjusted, in the situation that demagnetization roller 1,7 does not touch 5 of conveyer belts, the distance between two demagnetization rollers 1,7 must be able to appropriately adjust, to improve erasing field intensity.
Steel wire lining conveyor belt 5 jitter in running is very large, and steel wire lining conveyor belt 5 can affect erasure effect in the middle of passing two demagnetization rollers 1,7 in the shake.So two demagnetization roller groups 12 of the present invention must be installed on terminal slewing rollers 11 places of conveyer belt, only have the most steady herein; Two folder plain-barreled rolls 13 are housed in two demagnetization roller the place aheads simultaneously, and conveyer belt 5 enters in the middle of two demagnetization rollers 12, referring to Fig. 2 after being flattened by folder plain-barreled roll 13.
The below describes the two magnetic roller degaussing gears of steel wire lining conveyor belt of the present invention.
Embodiment 1
Referring to Fig. 4, Fig. 5, the two magnetic roller degaussing gears of a kind of steel wire lining conveyor belt comprise demagnetization roller 39, lower demagnetization roller 41, upper demagnetization roller driving pulley 24, lower demagnetization roller driving pulley 27, upper demagnetization roller rotation axis bearing pedestal 25, lower demagnetization roller rotation axis bearing pedestal 36, fixed support 30, motor power output belt pulley 22, belt guide pulley 26;
Described upper demagnetization roller 39 inner sleeves are loaded onto demagnetization roller rotation axis 38, upper demagnetization roller rotation axis 38 is installed on the both sides in the demagnetization roller rotation axis bearing pedestal 25, bearing pedestal 25 is installed on the upper fixed support 30 through bolt 35, upper fixed support 30 is installed on framework 29 slotted eyes 31 through set bolt 32, and an end of upper demagnetization roller rotation axis 38 is equipped with demagnetization roller driving pulley 24;
Described lower demagnetization roller 41 inner sleeves load demagnetization roller rotation axis 40, lower demagnetization roller rotation axis 40 is installed under the both sides in the demagnetization roller rotation axis bearing pedestal 36, bearing pedestal 36 is installed on the lower fixed support 42 through bolt 35, lower fixed support 42 is installed on framework 29 slotted eyes 31 through set bolt 32, and an end of lower demagnetization roller rotation axis 40 is equipped with lower demagnetization roller driving pulley 27;
Described motor power output belt pulley 22 connects upper demagnetization roller driving pulley 24, lower demagnetization roller driving pulley 27 and belt guide pulley 26 through driving belt 23, so that upper demagnetization roller 39 and lower demagnetization roller 41 opposite direction rotatings, synchronization; Motor power output belt pulley 22 is driven by motor 21 and rotates; Upper demagnetization roller driving pulley 24 is identical with lower demagnetization roller driving pulley 27 diameters;
Described belt guide pulley 26 is installed on the belt guide pulley bearing pedestal 33 through rotating shaft, and belt guide pulley bearing pedestal 33 is fixedly mounted on the framework 29 through bolt 34; Described motor power is exported belt pulley 22, upper demagnetization roller driving pulley 24, lower demagnetization roller driving pulley 27 and belt guide pulley 26 in a plane, and by driving belt 23 transferring power;
Described up and down demagnetization roller 39,41 lays respectively at the above and below of steel wire lining conveyor belt 28, be that steel wire lining conveyor belt 28 passes the magnetic field that forms between the demagnetization roller 39,41 up and down, demagnetization roller 39,41 is the adjacent many magnetic poles roller of heteropole up and down, two demagnetization rollers 39,41 diameters are identical, number of magnetic poles is identical, and magnetic density is also identical.
Two demagnetization rollers 39 when described motor 21 rotates, 41 rotation are in opposite directions, and it is basic identical that belt guide pulley 26 has guaranteed that the belt of two demagnetization roller driving pulleys 24,27 takes on face, can also play the effect of the degree of relaxing one's efforts of adjusting driving belt 23 simultaneously.
Described two demagnetization rollers 39,41 should be adjusted to two demagnetization rollers 39 when initial installment state, 41 heteropoles are relative, namely go up the N utmost point corresponding to the lower S utmost point, and two demagnetization rollers 39,41 heteropoles are relative when synchronously rotation.Synchronous same-speed when two demagnetization rollers 39,41 rotation, opposite direction rotating.
The adjustment of described two demagnetization rollers 39,41 between the upper and lower distance is to be installed on the high and low position of slotted eye 31 on the framework 29 by the fixed support 30 of adjusting the demagnetization roll bearing seat, 42 through set bolt 32.Grooved hole is 31 4 on the framework 29 of a side, two of delegation, and totally two row distribute up and down, in order to fix respectively the upper fixed support 30 of upper demagnetization roll bearing seat and the lower fixed support 42 of lower demagnetization roll bearing seat; Slotted eye 31 is elongated hole, and both ends are semicircle, referring to Fig. 3.Slotted eye on the opposite side framework is arranged identical with it, is used for respectively the fixedly lower fixed support 42 of the upper fixed support 30 of the upper demagnetization roll bearing seat of opposite side and lower demagnetization roll bearing seat.
The adjustment of described two demagnetization rollers 39,41 between the upper and lower distance by two adjustable Directional Signs 37 of demagnetization roller in order to indicate, referring to Fig. 5.Steel wire lining conveyor belt 28 is passed up and down between the demagnetization roller 39,41, so that two demagnetization rollers 39 that steel wire lining conveyor belt 28 is in operation, when 41 centres are steadily walked, at once can reach the demagnetization purpose.
Embodiment 2:
Referring to Fig. 6, Fig. 7, the two magnetic roller degaussing gears of a kind of steel wire lining conveyor belt comprise demagnetization roller 57, lower demagnetization roller 60, upper demagnetization roller travelling gear 53, lower demagnetization roller travelling gear 54, upper demagnetization roller rotation axis bearing pedestal 55, lower demagnetization roller rotation axis bearing pedestal 58, motor power output gear 52;
Described upper demagnetization roller 57 inner sleeves are loaded onto demagnetization roller rotation axis 56, upper demagnetization roller rotation axis 56 is installed on the both sides in the demagnetization roller rotation axis bearing pedestal 55, bearing pedestal 55 is fixedly mounted on the frame, and an end of upper demagnetization roller rotation axis 56 is equipped with demagnetization roller travelling gear 53;
Described lower demagnetization roller 60 inner sleeves load demagnetization roller rotation axis 59, lower demagnetization roller rotation axis 59 is installed under the both sides in the demagnetization roller rotation axis bearing pedestal 58, bearing pedestal 58 is fixedly mounted on the frame, and an end of lower demagnetization roller rotation axis 59 is equipped with lower demagnetization roller travelling gear 54;
Described motor power output gear 52 and lower demagnetization roller travelling gear 54 engagements, lower demagnetization roller travelling gear 54 and upper demagnetization roller travelling gear 53 engagements, so that upper demagnetization roller 57 and lower demagnetization roller 60 opposite direction rotatings, synchronization; Motor power output gear 52 is driven by motor 51; Described lower demagnetization roller travelling gear 54 and upper demagnetization roller travelling gear 53 diameters, the number of teeth are identical with modulus;
Described up and down demagnetization roller 57,60 lays respectively at the above and below of steel wire lining conveyor belt 28, be that steel wire lining conveyor belt 28 passes the magnetic field that forms between the demagnetization roller 57,60 up and down, demagnetization roller 57,60 is the adjacent many magnetic poles roller of heteropole up and down, two demagnetization rollers 57,60 diameters are identical, number of magnetic poles is identical, and magnetic density is also identical.
Two demagnetization rollers 57 when described motor 51 rotates, 60 rotation are in opposite directions.
Described two demagnetization rollers 57,60 should be adjusted to two demagnetization rollers 57 when initial installment state, 60 heteropoles are relative, namely go up the N utmost point corresponding to the lower S utmost point, and two demagnetization rollers 57,60 heteropoles are relative when synchronously rotation.Synchronous same-speed when two demagnetization rollers 57,60 rotation, opposite direction rotating.
Synchromesh gear drives up and down demagnetization roller about the of the present invention pair of magnetic roller degaussing gear employing, and the spacing that is very suitable between two demagnetization rollers is what fix, need not adjust the similar auxiliary products of batch of two demagnetization roller spacings.Because the fixation of travelling gear, the S-N heteropole between two demagnetization rollers is installed also relatively simple in case aligning just can not depart from.
Of the present invention pair of magnetic roller degaussing gear uses through field conduct, can be penetrated more than the 10mm by its liner steel wire of the steel wire lining conveyor belt of demagnetization, exceeded widely re-set target, existing 8.1mm liner steel wire conveying belt is through after the Zhou Xunhuan demagnetization, the detection sampling that metal detector in its conveyer belt is disturbed signal is almost 0 state, and effect is very obvious.
Being preferred embodiment of the present invention only below, is not for limiting protection scope of the present invention, therefore, all any modifications of doing within the spirit and principles in the present invention, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. two magnetic roller demagnetization methods of a steel wire lining conveyor belt, it is characterized in that: the above and below that two demagnetization rollers is laid respectively at steel wire lining conveyor belt, described demagnetization roller is the adjacent many magnetic poles roller of heteropole, and two demagnetization roller diameters are identical, number of magnetic poles is identical, and magnetic density is also identical, two demagnetization roller synchronous same-speeds, opposite direction rotating, two demagnetization roller heteropoles are relative when rotating synchronously; Steel wire lining conveyor belt is mobile in service.
2. two magnetic roller demagnetization methods of steel wire lining conveyor belt according to claim 1, it is characterized in that: described two demagnetization rollers are installed on the terminal slewing rollers place of conveyer belt, in two demagnetization roller the place aheads two folder plain-barreled rolls are housed, conveyer belt enters in the middle of two demagnetization rollers after being pressed from both sides the plain-barreled roll leveling.
3. the two magnetic roller degaussing gears of steel wire lining conveyor belt is characterized in that: comprise demagnetization roller (39), lower demagnetization roller (41), upper demagnetization roller driving pulley (24), lower demagnetization roller driving pulley (27), upper demagnetization roller rotation axis bearing pedestal (25), lower demagnetization roller rotation axis bearing pedestal (36), fixed support (30), motor power output belt pulley (22), belt guide pulley (26);
Described upper demagnetization roller (39) inner sleeve is loaded onto demagnetization roller rotation axis (38), upper demagnetization roller rotation axis (38) is installed on the both sides in the demagnetization roller rotation axis bearing pedestal (25), bearing pedestal (25) is installed on the upper fixed support (30) through bolt (35), upper fixed support (30) is installed on framework (29) slotted eye (31) through set bolt (32), and an end of upper demagnetization roller rotation axis (38) is equipped with demagnetization roller driving pulley (24);
Described lower demagnetization roller (41) inner sleeve loads demagnetization roller rotation axis (40), lower demagnetization roller rotation axis (40) is installed under the both sides in the demagnetization roller rotation axis bearing pedestal (36), bearing pedestal (36) is installed on the lower fixed support (42) through bolt (35), lower fixed support (42) is installed on framework (29) slotted eye (31) through set bolt (32), and an end of lower demagnetization roller rotation axis (40) is equipped with lower demagnetization roller driving pulley (27);
Described motor power output belt pulley (22) demagnetization roller driving pulley (24), lower demagnetization roller driving pulley (27) and belt guide pulley (26) in driving belt (23) connection, so that upper demagnetization roller (39) and lower demagnetization roller (41) opposite direction rotating, motor power output belt pulley (22) is driven by motor (21) and rotates; Described upper demagnetization roller driving pulley (24) is identical with lower demagnetization roller driving pulley (27) diameter;
Described belt guide pulley (26) is installed on the belt guide pulley bearing pedestal (33) through rotating shaft, and belt guide pulley bearing pedestal (33) is fixedly mounted on the framework (29) through bolt (34);
Described up and down demagnetization roller (39,41) lays respectively at the above and below of steel wire lining conveyor belt (28), demagnetization roller (39,41) is the adjacent many magnetic poles roller of heteropole up and down, two demagnetization rollers (39,41) diameter is identical, and number of magnetic poles is identical, and magnetic density is also identical.
4. two magnetic roller degaussing gears of steel wire lining conveyor belt according to claim 3 is characterized in that: have four slotted eyes (31) on the side of described framework (29), and two of delegation, totally two row distribute up and down, and slotted eye (31) is elongated hole, and both ends are semicircle.
5. two magnetic roller degaussing gears of steel wire lining conveyor belt according to claim 3, it is characterized in that: described motor power is exported belt pulley (22), upper demagnetization roller driving pulley (24), lower demagnetization roller driving pulley (27) and belt guide pulley (26) in a plane, and by a driving belt (23) transferring power.
6. the two magnetic roller degaussing gears of steel wire lining conveyor belt is characterized in that: comprise demagnetization roller (57), lower demagnetization roller (60), upper demagnetization roller travelling gear (53), lower demagnetization roller travelling gear (54), upper demagnetization roller rotation axis bearing pedestal (55), lower demagnetization roller rotation axis bearing pedestal (58), motor power output gear (52);
Described upper demagnetization roller (57) inner sleeve is loaded onto demagnetization roller rotation axis (56), upper demagnetization roller rotation axis (56) is installed on the both sides in the demagnetization roller rotation axis bearing pedestal (55), bearing pedestal (55) is fixedly mounted on the frame, and an end of upper demagnetization roller rotation axis (56) is equipped with demagnetization roller travelling gear (53);
Described lower demagnetization roller (60) inner sleeve loads demagnetization roller rotation axis (59), lower demagnetization roller rotation axis (59) is installed under the both sides in the demagnetization roller rotation axis bearing pedestal (58), bearing pedestal (58) is fixedly mounted on the frame, and an end of lower demagnetization roller rotation axis (59) is equipped with lower demagnetization roller travelling gear (54);
Described motor power output gear (52) and lower demagnetization roller travelling gear (54) engagement, lower demagnetization roller travelling gear (54) and upper demagnetization roller travelling gear (53) engagement, so that upper demagnetization roller (57) and lower demagnetization roller (60) opposite direction rotating, synchronization, motor power output gear (52) is driven by motor (51);
Described up and down demagnetization roller (57,60) lays respectively at the above and below of steel wire lining conveyor belt (28), demagnetization roller (57,60) is the adjacent many magnetic poles roller of heteropole up and down, two demagnetization rollers (57,60) diameter is identical, and number of magnetic poles is identical, and magnetic density is also identical.
7. two magnetic roller degaussing gears of steel wire lining conveyor belt according to claim 6 is characterized in that: described lower demagnetization roller travelling gear (54) and upper demagnetization roller travelling gear (53) diameter, the number of teeth are identical with modulus.
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| CN104210805A (en) * | 2013-05-31 | 2014-12-17 | 宝山钢铁股份有限公司 | Suspension type lateral deviation preventing conveyer belt degaussing rack device |
| CN104517699A (en) * | 2013-09-26 | 2015-04-15 | 宝山钢铁股份有限公司 | Bi-directional through-transmission magnetic density descending order degaussing device |
| CN105304264A (en) * | 2015-11-03 | 2016-02-03 | 华中科技大学 | Method and device for demagnetizing ferromagnetic elongated member |
| CN113555186A (en) * | 2020-04-24 | 2021-10-26 | 贵州振华群英电器有限公司（国营第八九一厂） | Magnetic steel unsaturated precise magnetizing device and magnetizing method |
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| JPH08236352A (en) * | 1995-03-01 | 1996-09-13 | Mitsubishi Materials Corp | Demagnetizing method and device of anisotropic magnet |
| CN2422722Y (en) * | 1999-06-14 | 2001-03-07 | 福建省漳浦县磁学设备厂 | Multi-magnetic roller strong magnetic field demagnetizer |
| CN201503743U (en) * | 2009-01-22 | 2010-06-09 | 闫丽 | Permanent magnet rotating high-efficiency demagnetizer |
| CN101930822A (en) * | 2009-06-26 | 2010-12-29 | 宝山钢铁股份有限公司 | Conveyer belt multi-pole magnetic roller asynchronous demagnetizing device |
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| CN105304264A (en) * | 2015-11-03 | 2016-02-03 | 华中科技大学 | Method and device for demagnetizing ferromagnetic elongated member |
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