CN104961037A - Balancing device for torsion of magnetic rotating shaft of permanent magnetic lifter - Google Patents
Balancing device for torsion of magnetic rotating shaft of permanent magnetic lifter Download PDFInfo
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- CN104961037A CN104961037A CN201510401010.0A CN201510401010A CN104961037A CN 104961037 A CN104961037 A CN 104961037A CN 201510401010 A CN201510401010 A CN 201510401010A CN 104961037 A CN104961037 A CN 104961037A
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- rotating shaft
- pulley
- magnetic rotating
- unit
- dividing plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/04—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by magnetic means
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- Mechanical Engineering (AREA)
- Rehabilitation Tools (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses a balancing device for the torsion of a magnetic rotating shaft of a permanent magnetic lifter. The balancing device comprises brackets arranged on a permanent magnetic lifter casing, pulleys arranged on the brackets and the magnetic rotating shaft, steel wire ropes bypassing the pulleys, springs connected with the steel wire ropes as well as positioning blocks fixed on the steel wire ropes. According to the balancing device disclosed by the invention, two groups of springs are adopted for storing and releasing energy at different time intervals of positive and reverse rotation of the magnetic rotating shaft, and a load torsion of the magnetic rotating shaft is balanced, so that the load is relatively balanced during the whole period of the positive and reverse rotation of the magnetic rotating shaft by 90 degrees; the maximum torsion is about 0.6 to 0.7 time that of sine waves, so that the manufacturing cost, the size and actual operation expenses of the permanent magnetic lifter are greatly reduced.
Description
Technical field
The invention belongs to mechanical field, relate to a kind of transmission device control apparatus.
Background technology
Hoisting permanent magnet (also known as permanent magnetic lifter) applies to the magnetic materials such as lifting steel plate, steel billet in a large number in the machine works such as steel mill, shipyard.The principle of hoisting permanent magnet drives clockwise 90 ° of two magnetic rotating shafts (inhaling iron mode) with motor via reducer, gear case or reverse 90 ° (putting iron mode) to operate suction iron, put iron.Load suffered by motor mainly comes from the moment of torsion of two magnetic rotating shafts, and the moment of torsion of magnetic rotating shaft is interacted by the magnetic field force of permanent magnet to cause, magnetic field torque loads is size variation, its Changing Pattern is close to the sinusoidal waveform (see accompanying drawing 9) of one-period, and when magnetic rotating shaft rotating, load is irreversible.
According to the feature of the said goods, in the design of current permanent magnet, the power of motor of the ferromagnetic rotating shaft of lifting permanent-magnet and the transmission such as reductor, gear case parts are driven all to choose according to the maxim of load torque (sine waveform), thus the power of motor selected is larger, and reductor volume ratio is larger.The shortcomings such as thus it is high to produce cost of goods manifactured, during operation, power consumption is many, and product is heavy.
Summary of the invention
For the deficiency existed in existing hoisting permanent magnet, the present invention adopts two groups of springs carry out energy storage at the Different periods of magnetic rotating shaft rotating and release energy, the load torque of balanced magnetic rotating shaft, thus make magnetic rotating shaft within the whole cycle of rotating 90 °, load is relatively balanced, torque peak is about 0.6 ~ 0.7 times of sinusoidal waveform torque peak, and hoisting permanent magnet cost, volume and real-world operation expense are greatly reduced.
Technical scheme provided by the invention is:
The ferromagnetic Shaft Torque equalizer of a kind of lifting permanent-magnet, is characterized in that, comprise following assembly:
One assistant support, is arranged on hoisting permanent magnet housing, comprises left and right two carrier units;
One group of steel rope, comprises left and right two sections of steel ropes;
One group of spring installation, comprise upper and lower two springs, the two ends of spring are connected with steel rope;
Some pulleys and locating piece, comprise upper and lower two pulleys be arranged on two stands unit and the pulley being installed at two magnetic roller end, point-blank, described locating piece is fixing on a steel cord for the center installing pulley additional in magnetic rotating shaft and the centre of gration of this magnetic rotating shaft;
In said structure:
Described carrier unit comprises dividing plate and pulley adapter plate, and pulley adapter plate is positioned at the outside of dividing plate, leaves certain distance between the dividing plate of two stands unit, and described spring installation is arranged between the dividing plate of two stands unit;
The head end of left section of steel rope is connected with the left end of upper diaphragm flexures, its rope body is through after the dividing plate of left socle unit, walk around the lower sheave of pulley and the left socle unit that the top sheave of left socle unit, left magnetic rotating shaft are installed additional successively, this rope body is again through after the dividing plate of left socle unit, and rope body end is connected with the left end of lower diaphragm flexures; The head end of right section of steel rope is connected with the right-hand member of upper diaphragm flexures, its rope body is through after the dividing plate of right support unit, walk around the lower sheave of pulley and the right support unit that the top sheave of right support unit, right magnetic rotating shaft are installed additional successively, this rope body is again through after the dividing plate of right support unit, and rope body end is connected with the right-hand member of lower diaphragm flexures; Walk around at least one place of steel rope that magnetic rotating shaft installs pulley additional to be fixed on this by locking and to install additional on pulley;
Two springs to one of them carrier unit dividing plate between, this dividing plate to this carrier unit upper and lower pulley between steel wire rope body on be separately installed with a positioning block.
On the basis of such scheme, that improve further or preferred scheme also comprises:
Walk around the steel rope that magnetic rotating shaft installs pulley additional to be compressed by compressing tablet, described compressing tablet is fixed by screws on pulley, prevents steel rope from sliding installing additional on pulley.
Also be provided with tension wheel, make the steel wire rope body that magnetic rotating shaft is installed additional between pulley and unit rack pulley all walk around at least one tension wheel.
The rope body of described left and right two sections of steel ropes is equipped with length adjusting mechanism, the folding and unfolding of convenient cord body.
The each freedom of left and right two sections of steel ropes two steel rope compositions, one of two steel ropes in the docking of described length adjusting mechanism place.
Described spring is extension spring.
Beneficial effect:
(1) this device can complete energy storage and the release of spring automatically, need not manually participate in controlling.Use the hoisting permanent magnet of this device, load torque maxim reduces, thus can select more low power motor, reductor and associated actuator part, reduces over-the-road expense and cost of goods manifactured;
(2) volume of hoisting permanent magnet can be reduced, make hoisting permanent magnet form component layout more reasonable;
(3) position that can adjust arbitrarily energy storage, release energy, for the hoisting permanent magnet of different size, as long as change the steel rope of extension spring specification and different length, just can meet requirements, commonality is relatively good.
(4) novel in structural design, simply, be convenient to manufacture, manufacturing cost is lower for assembling, debugging.
Accompanying drawing explanation
Fig. 1 inhales in iron process, and the spring installation energy storage of magnetic rotating shaft when initial position, releasing can schematic diagram;
Fig. 2 inhales in iron process, and spring installation energy storage when magnetic rotating shaft is positioned at 35 degree, releasing can schematic diagram;
Fig. 3 inhales in iron process, and spring installation energy storage when magnetic rotating shaft is positioned at 62 degree, releasing can schematic diagram;
Fig. 4 inhales in iron process, and the spring installation energy storage of magnetic rotating shaft when end position, releasing can schematic diagram;
Fig. 5 is put in iron process, and the spring installation energy storage of magnetic rotating shaft when initial position, releasing can schematic diagram;
Fig. 6 is put in iron process, and spring installation energy storage when magnetic rotating shaft is positioned at 59 degree, releasing can schematic diagram;
Fig. 7 is put in iron process, and spring installation energy storage when magnetic rotating shaft is positioned at 35 degree, releasing can schematic diagram;
Fig. 8 is put in iron process, and the spring installation energy storage of magnetic rotating shaft when end position, releasing can schematic diagram;
Fig. 9 be former hoisting permanent magnet load torque squiggle figure and upper and lower extension spring energy storage, releasing can diagram of curves;
Figure 10 is the load torque squiggle figure after increasing moment of torsion equalizer.
Detailed description of the invention
In order to illustrate technical scheme of the present invention and technique effect, below in conjunction with drawings and the specific embodiments, the present invention is described further.
In an embodiment as shown in Figures 1 to 8:
The permanent magnet that hoisting permanent magnet comprises housing 10 and is arranged on motor in housing, transmission device, magnetic rotating shaft 11 and is arranged in magnetic rotating shaft 11.Described motor drives left magnetic axis of rotation, and left magnetic rotating shaft is rotated backward with identical cireular frequency by the rotating shaft of a pair gear drive right magnetic.Housing 10 bottom surface is the sticking face holding steel billet 12.
Be arranged on the magnetic Shaft Torque equalizer on this hoisting permanent magnet, comprise support 4, steel rope 7, spring installation, some pulleys, locating piece and tension wheel 6.
Described support 4 is arranged on hoisting permanent magnet housing 10, is positioned at the top of hoisting permanent magnet two magnetic rotating shaft.Support 4 comprises left and right two carrier units, and two stands block construction is symmetrical, is equipped with dividing plate and pulley adapter plate.Leave certain distance between the dividing plate of two stands unit, pulley adapter plate is arranged on the outside of dividing plate.
Steel rope 7 comprises left and right two sections of steel ropes, and every section of steel rope is made up of two steel ropes, totally four fag ends.One of these two steel ropes docks at length adjusting mechanism 1 place, and other end is for connecting extension spring.
Described spring installation comprises upper extension spring 2 between two stands cell separators and tension spring 3, and upper extension spring 2 is connected with the steel rope through carrier unit dividing plate respectively with the two ends of tension spring 3, and upper extension spring 2 tension spring 3 parallels.
Described pulley comprises upper and lower two pulleys be separately positioned on two stands unit and the pulley being installed at two magnetic roller end, and the centre of gration of the center being installed at the pulley in magnetic rotating shaft and corresponding magnetic rotating shaft point-blank.
In figure, the head end of left section of steel rope is connected with the left end of upper extension spring 2, its rope body is through after the dividing plate of left socle unit, from the outside of left socle unit top sheave, the outside of the left magnetic rotating shaft bottom and left socle unit lower sheave that install pulley additional walks around successively, this rope body is again through after the dividing plate of left socle unit, and rope body end is connected with the left end of tension spring 3; The head end of right section of steel rope is connected with the right-hand member of upper extension spring 2, its rope body is through after the dividing plate of right support unit, from the outside of right support unit top sheave, right magnetic rotating shaft installs the bottom of pulley and the lower sheave of right support unit additional, this rope body is again through after the dividing plate of right support unit, and rope body end is connected with the right-hand member of tension spring 3.Walk around in the middle part of steel rope that magnetic rotating shaft installs pulley additional and compressed locking by compressing tablet and screw 9, prevent steel rope from sliding in the race installing pulley additional.The magnetic rotating shaft steel wire rope body installed additional between pulley and unit rack pulley all walks around a tension wheel 6.
Upper extension spring 2, tension spring 3 to right support unit dividing plate between, this dividing plate to right support unit upper and lower pulley between steel wire rope body on be separately installed with a positioning block 5.
If set the locating piece between extension spring to dividing plate as the locating piece between left energy storage locating piece, dividing plate to carrier unit pulley be right energy storage locating piece, then its operation sheet is:
One) inhale iron operation, see Fig. 1 to Fig. 4 and Figure 10.
A) iron position (see figure 1) is put completely.Hoisting permanent magnet bottom surface, without magnetic field, is in and puts iron state completely.Magnetic rotating shaft 11 is in the initial position of 0 °, and at this moment go up extension spring 2 and be in energy storage state, tension spring 3 is in free state.Starter motor, drives left magnetic rotating shaft clickwise, and right magnetic rotating shaft produces the cireular frequency (rotation direction be conter clockwise) identical with left magnetic rotating shaft under the power of a pair gear is transmitted, and upper extension spring 2 and energy storage locating piece above start to move right.
B) when magnetic rotating shaft 11 forwards 35 ° of positions to (see Fig. 2), left energy storage locating piece above moves on to carrier unit partition position, can not move right again, along with magnetic rotating shaft 11 is rotated further, upper extension spring 2 length starts to shorten, release spring potential energy, helps motor to drive magnetic axis of rotation.
C) when magnetic rotating shaft 11 forwards 62 ° of positions to (see Fig. 3), upper extension spring 2 energy storage release terminates, and is in free state.The partition position place of right energy storage locating piece traversing carriage unit below stops, and tension spring 3 starts energy storage.
D) when magnetic rotating shaft 11 forwards 90 ° of positions to (see Fig. 4), tension spring 3 energy storage terminates.Magnetic field, hoisting permanent magnet bottom surface reaches maximum, is in maximum suction iron state, is also the starting position of putting iron operation.
Two) put iron operation, see Fig. 5 to Fig. 8 and Figure 10.
A) maximum suction iron position (see Fig. 5, being equal to Fig. 4).Motor drives left magnetic rotating shaft left-hand revolution, and tension spring 3 and energy storage locating piece below move right, and upper extension spring 2 and energy storage locating piece are above moved to the left.
B) when magnetic rotating shaft forwards 59 ° of positions to (see Fig. 6), left energy storage locating piece below moves on to right support cell separators position, and surely only motionless, tension spring 3 starts to release energy, and side group motor drives magnetic rotating shaft.
C) when magnetic rotating shaft forwards 35 ° of positions to (see Fig. 7), tension spring 3 releases energy, and terminates to energy storage release during 7 ° of positions; Upper extension spring 2 starts to stretch, and right energy storage locating piece above moves to the left, to the partition position moving on to right support unit during 19 ° of positions, can not be moved to the left again, and along with left magnetic rotating shaft continues left-hand revolution, steel rope pulls extension spring 2 to carry out energy storage.
D) when magnetic rotating shaft forwards 0 ° of position to (see Fig. 8), upper extension spring 2 energy storage terminates, and inhales the starting point of iron next time.
By the contrast of load torque in Fig. 9 and Figure 10, can find out that the maximum load moment of torsion of former hoisting permanent magnet is 18.4KN, after installing the present embodiment device additional, maximum load moment of torsion is 12.6KN, and the power of motor used only has 68% of original equipment.
Extension spring in above-described embodiment, behind the arrangement position of adjusting pole unit, energy storage locating piece, also can use stage clip to substitute.
More than show and describe groundwork of the present invention, principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and application claims protection domain is defined by appending claims, specification sheets and equivalent thereof.
Claims (6)
1. the ferromagnetic Shaft Torque equalizer of lifting permanent-magnet, is characterized in that, comprise following assembly:
One assistant support, is arranged on hoisting permanent magnet housing, comprises left and right two carrier units;
One group of steel rope, comprises left and right two sections of steel ropes;
One group of spring installation, comprise upper and lower two springs, the two ends of spring are connected with steel rope;
Some pulleys and locating piece, comprise upper and lower two pulleys be arranged on two stands unit and the pulley being installed at the left and right two magnetic roller end of hoisting permanent magnet, magnetic rotating shaft is installed the centre of gration of the center of pulley and this magnetic rotating shaft additional point-blank, described locating piece is fixing on a steel cord;
In said structure:
Described carrier unit comprises dividing plate and pulley adapter plate, and pulley adapter plate is positioned at the outside of dividing plate, leaves certain distance between the dividing plate of two stands unit, and described spring installation is arranged between the dividing plate of two stands unit;
The head end of left section of steel rope is connected with the left end of upper diaphragm flexures, its rope body is through after the dividing plate of left socle unit, walk around the lower sheave of pulley and the left socle unit that the top sheave of left socle unit, left magnetic rotating shaft are installed additional successively, this rope body is again through after the dividing plate of left socle unit, and rope body end is connected with the left end of lower diaphragm flexures; The head end of right section of steel rope is connected with the right-hand member of upper diaphragm flexures, its rope body is through after the dividing plate of right support unit, walk around the lower sheave of pulley and the right support unit that the top sheave of right support unit, right magnetic rotating shaft are installed additional successively, this rope body is again through after the dividing plate of right support unit, and rope body end is connected with the right-hand member of lower diaphragm flexures; Walk around at least one place of steel rope that magnetic rotating shaft installs pulley additional to be fixed on this by locking and to install additional on pulley;
Two springs to one of them carrier unit dividing plate between, this dividing plate to this carrier unit upper and lower pulley between steel wire rope body on be separately installed with a positioning block.
2. the ferromagnetic Shaft Torque equalizer of a kind of lifting permanent-magnet according to claim 1, is characterized in that, walk around the steel rope that magnetic rotating shaft installs pulley additional and compressed by compressing tablet, described compressing tablet is fixed by screws on pulley.
3. the ferromagnetic Shaft Torque equalizer of a kind of lifting permanent-magnet according to claim 1, is characterized in that, be provided with tension wheel, makes the steel wire rope body that magnetic rotating shaft is installed additional between pulley and unit rack pulley all walk around at least one tension wheel.
4. the ferromagnetic Shaft Torque equalizer of a kind of lifting permanent-magnet according to claim 1, is characterized in that, the rope body of described left and right two sections of steel ropes is equipped with length adjusting mechanism.
5. the ferromagnetic Shaft Torque equalizer of a kind of lifting permanent-magnet according to claim 4, is characterized in that, each freedom of left and right two sections of steel ropes two steel rope compositions, one of two steel ropes in the docking of described length adjusting mechanism place.
6. the ferromagnetic Shaft Torque equalizer of a kind of lifting permanent-magnet according to any one of claim 1-5, is characterized in that, described spring is extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401010.0A CN104961037B (en) | 2015-07-10 | 2015-07-10 | A kind of lifting permanent-magnet ferromagnetic Shaft Torque balancer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401010.0A CN104961037B (en) | 2015-07-10 | 2015-07-10 | A kind of lifting permanent-magnet ferromagnetic Shaft Torque balancer |
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| Publication Number | Publication Date |
|---|---|
| CN104961037A true CN104961037A (en) | 2015-10-07 |
| CN104961037B CN104961037B (en) | 2016-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510401010.0A Active CN104961037B (en) | 2015-07-10 | 2015-07-10 | A kind of lifting permanent-magnet ferromagnetic Shaft Torque balancer |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110010964A (en) * | 2009-07-27 | 2011-02-08 | 주식회사 포스코 | Centering apparatus controlling center of coil and magnet suspended in crain |
| CN201785118U (en) * | 2010-09-03 | 2011-04-06 | 镇江市江南矿山机电设备有限公司 | Hoisting permanent magnet with adjustable suction force |
| RU2452681C1 (en) * | 2010-11-23 | 2012-06-10 | Общество с ограниченной ответственностью "ЭРГА Плюс" | Load gripper built around permanent magnets |
| CN202429856U (en) * | 2012-02-02 | 2012-09-12 | 沈阳隆基电磁科技股份有限公司 | Automatic permanent-magnet lifting jack |
| CN104118793A (en) * | 2014-07-09 | 2014-10-29 | 镇江市江南矿山机电设备有限公司 | A permanent magnet hoisting device |
| CN204434049U (en) * | 2015-02-09 | 2015-07-01 | 赵涛 | A kind of new type auto permanent magnetic lifter |
| CN204917604U (en) * | 2015-07-10 | 2015-12-30 | 江苏磁谷科技股份有限公司 | Balanced device of ferromagnetic pivot moment of torsion of jack -up permanent magnetism |
-
2015
- 2015-07-10 CN CN201510401010.0A patent/CN104961037B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110010964A (en) * | 2009-07-27 | 2011-02-08 | 주식회사 포스코 | Centering apparatus controlling center of coil and magnet suspended in crain |
| CN201785118U (en) * | 2010-09-03 | 2011-04-06 | 镇江市江南矿山机电设备有限公司 | Hoisting permanent magnet with adjustable suction force |
| RU2452681C1 (en) * | 2010-11-23 | 2012-06-10 | Общество с ограниченной ответственностью "ЭРГА Плюс" | Load gripper built around permanent magnets |
| CN202429856U (en) * | 2012-02-02 | 2012-09-12 | 沈阳隆基电磁科技股份有限公司 | Automatic permanent-magnet lifting jack |
| CN104118793A (en) * | 2014-07-09 | 2014-10-29 | 镇江市江南矿山机电设备有限公司 | A permanent magnet hoisting device |
| CN204434049U (en) * | 2015-02-09 | 2015-07-01 | 赵涛 | A kind of new type auto permanent magnetic lifter |
| CN204917604U (en) * | 2015-07-10 | 2015-12-30 | 江苏磁谷科技股份有限公司 | Balanced device of ferromagnetic pivot moment of torsion of jack -up permanent magnetism |
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| Publication number | Publication date |
|---|---|
| CN104961037B (en) | 2016-10-19 |
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