A kind of energy-saving mechanical handling electromagnetism ground jack
Technical field
The present invention relates to electromagnetism ground jack technical fields, it particularly relates to a kind of energy-saving mechanical handling electromagnetism lifting
Device.
Background technology
Since WALKER companies in the U.S. have manufactured magnechuck at the end of the 19th century, transport operation has been carried out to ferrimagnet
The history that experienced more than 100 years is especially applied in workshop with the expansion of application range, the shortcomings that just having showed him;Consumption
It can greatly (such as the sucker of a suction 16t needs electric power about 10kW);More important is once powering off, sucker loss of excitation causes workpiece
It falls.Although matched can be used now with power-off protection apparatus, this device can only protection power source power failure, can not protect
Protect the failure of energized circuit.
In the 1930s, BRAILON companies of France start permanent-magnet material to be applied on sucker, energy consumption and heat are being reduced
Deformation, safe and reliable aspect have good effect, make troubles to operation, to limit it in terms of handling heavy steel plate
Development.
TECNOMAGNETE companies of Italy in 1974 have manufactured electric permanent-magnet suction disc, so-called electric permanent-magnet suction disc with magnetic variation principle
Permanent magnetic chuck is controlled using electric pulse, since conduction time is short, energy consumption and fever all very littles;Again due to leaning on permanent-magnet material as magnetic
Source, there is no power-off losss of excitation to cause the danger that workpiece is fallen, so relatively safety, only because lacking high performance permanent magnetism at that time
Material, to fail extensive use.
In the 1980s, the fast development of high-performance rare-earth permanent magnet material brings life to electric permanent-magnet suction disc.20 generation
It records after the nineties, the king of rare earth permanent-magnetic material -- rubidium iron boron price gradually drops, and electric permanent-magnet suction disc has obtained further answering
With.
Lifting magnet equipment is broadly divided into two classes, electromagnetic type and permanent-magnet type at present.
It is numerous that China possesses steel mill, and only large-scale steel mill just has 70-80 family, small section steel works that can not even more count, magnechuck
Since its suction is big, and it is applicable to miscellaneous absorbate, so still the most universal.The steel of most of steel mill
Handling is substantially or using electromagnetism lifting equipment, i.e. magnechuck.But the 1. power consumption of following disadvantage is existed simultaneously, permanent worker makes trouble
TV university.2. unreliable;For superhigh temperature steel (600 DEG C of >), due to asymptotic Curie temperature (700 DEG C), ferromagnetic property substantially under
Drop, frequent outlet drop off accident.3. dangerous;There is high-altitude falling weight accident may once energized circuit breaks down.4. the longevity
Life is not grown;Lifting electromagnet usually fails because of coil aging, 5 years or so common service life.5. from great, the weight with absorbate material
Amount ratio usually reaches 1:1.6. taking up an area;Power failure or power control cabinet failure in order to prevent, are often equipped with accumulator, i.e. power failure protector magnetic system
System automatically switches enabling accumulator in power control cabinet failure or power failure and generally requires to be equipped with since lifting electromagnet power is larger
Many accumulators occupy space inherently few on overhead traveling crane.
Permanent-magnet type ground jack mainly has Manual permanent magnet suction hanging device, full-automatic permanent-magnetic suction lifting device, electric permanent magnet;Permanent-magnet type has
From heavy and light, permanent magnet excitation is leaned on, it is energy saving, the advantages of long lifespan;But exist simultaneously more disadvantage:1. being automated compared to electromagnetic type
Degree is poor, it is often necessary to individually worker be arranged aside to assist;2. suction is small, the scope of application is small, be chiefly used in thin plate, cut deal,
The light-duty material such as small billet, it is bulky when for handling steel scrap, shaped steel, bar and high-temperature material (300 DEG C of >), it uses
Effect is undesirable;3. requiring strictly lifting operation, lifting face must be bonded completely with absorbate could safe lifting;4. mostly using
Rubidium iron boron magnetic patch, therefore involve great expense.
201410021731.4 Xiangshan Wei Huici industry Co., Ltd of Chinese patent discloses a kind of electric permanent magnet, passes through change
It is passed through the electric current of coil block, you can realize the superposition or disappearance of magnetic field intensity on workbench;The entire work period, which only inhales, to put
Expect power consumption, belongs to super short time duty, it is very energy saving.
201410326810.6 Jiangsu Ci Gu Science and Technology Co., Ltd. of Chinese patent discloses a kind of electric-controlled permanent magnetic chuck,
Rotation magnetic patch polarity is driven by motor, realizes the superposition or counteracting of magnetic field intensity.Service life is long, safe and reliable, belongs to super
Short time duty, it is very energy saving.
Although electric control permanent magnet was obtained with electric permanent magnet and is constantly progressive in recent years, solves permanent magnetism lifting the degree of automation
Not high problem, and magnetic is not shown in off working state, securely and reliably;But still has the shortcomings that the most of of permanent-magnet type, such as inhale
Power is inadequate, undesirable to steel scrap, shaped steel, bar and high-temperature material (300 DEG C of >) using effect, requires lifting same tight
Lattice drop off hidden danger, involve great expense (more expensive 40%-80% than traditional lifting electromagnet).
Therefore, develop that a kind of low energy consumption, from heavy and light, low cost and has higher lifting safety coefficient and reliability
Electromagnetism ground jack, become for insider's urgent need to resolve the problem of.
Invention content
The present invention proposes a kind of energy-saving mechanical handling electromagnetism ground jack, overcomes in existing product above-mentioned aspect not
Foot.
The purpose of the present invention is achieved through the following technical solutions:
A kind of energy-saving mechanical handling electromagnetism ground jack, including ground jack main body, the side setting of the ground jack main body
There is drive motor bracket, and the other side of the ground jack main body is provided with holding frame driving motor;The drive motor bracket it is defeated
Shaft is connected with L-shaped rotary bracket, and the output shaft of the holding frame driving motor is connected with rotation corresponding with the rotary bracket
Holding frame;The ground jack main body includes being arranged in internal electromagnetic coil and the PLC controller being electrically connected with the electromagnetic coil,
The PLC controller is also electrically connected drive motor bracket, holding frame driving motor, range sensor and close switch.
Further, the output shaft of the output shaft of the drive motor bracket and holding frame driving motor is respectively connected separately with one
Rotating shaft, each rotating shaft are flexibly connected two bearing blocks, and the bearing block is fixedly mounted on ground jack by bearing bracket
In main body.
Further, the rotary bracket and rotation holding frame are respectively connected on single-revolution axis.
Further, the drive motor bracket and holding frame driving motor are respectively fixedly mounted on by an electric machine support respectively
In ground jack main body.
Further, the bottom of the electric machine support is both provided with several anticollision gussets, and one of electric machine support
Bottom be arranged range sensor.
Further, the ground jack main body is that the same side of the rotary bracket is provided with the rotary bracket is corresponding
Two close to switch base, and the ground jack main body and it is described rotation holding frame the same side be provided with it is corresponding with the rotation holding frame
Two close to switch base.
Further, several permanent magnets and a close switch are each both provided with close in switch base.
Further, it is provided with opening corresponding with rotary bracket in the rotation holding frame.
Further, the end of the rotary bracket is provided with convex shrapnel and baffle, and the rotation holding frame is located at convex
Between shrapnel and baffle.
Beneficial effects of the present invention are:1. energy saving, lifting electromagnetic coil work when the entire work period only has suction and blowing
Make, and handling process not power consumption.
2. safe and reliable;Mechanical handling, even if power control cabinet failure or powerup issue still will not fall base during handling, separately
Outer handling high temperature billet difficulty reduces, and due to a bit of time that only works, can design higher suction without excessively considering
Coil temperature rise problem.
3. weight reduction reduces cost;Required coil is reduced, because becoming super short time duty, coil can be by higher
Current density designs, and can save 50% or more coil.The dead weight of large-scale lifting electromagnet and the reduction of cost become apparent.
4. longer life expectancy;Super short time duty, coil temperature rise is low, and coil aging probability is greatly reduced.
5. simplifying power failure protector magnetic system;Specification selection can drop in accumulator, reduce cost and space that accumulator occupies.By
Power-off will not cause to drop off during the handling thus if can save electricity and protect magnetic system.
6. reducing lifting electromagnet quantity needed for handling;Due to mechanical force not as good as requirement of the electromagnetic force to the point of application it is stringent,
Former 4 connection, which hang with 2-3 platform energy-saving mechanical handling electromagnetism ground jacks to be joined, hangs replacement, and then shortens crossbeam length.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the front view one of the energy-saving mechanical handling electromagnetism ground jack described in the embodiment of the present invention;
Fig. 2 is the side view of energy-saving mechanical handling electromagnetism ground jack according to figure 1;
Fig. 3 is the stereogram of energy-saving mechanical handling electromagnetism ground jack according to figure 1;
Fig. 4 is the front view two of the energy-saving mechanical handling electromagnetism ground jack described in the embodiment of the present invention;
Fig. 5 is enlarged drawing at the A of energy-saving mechanical handling electromagnetism ground jack according to Fig.4,;
Fig. 6 is suction-handling course of work of the energy-saving mechanical handling electromagnetism ground jack described in the embodiment of the present invention
Figure;
Fig. 7 is handling-unloading work process of the energy-saving mechanical handling electromagnetism ground jack described in the embodiment of the present invention
Figure;
Fig. 8 is the work signal of the handling square billet of the energy-saving mechanical handling electromagnetism ground jack described in the embodiment of the present invention
Figure;
Fig. 9 is the electrical schematic diagram of the energy-saving mechanical handling electromagnetism ground jack described in the embodiment of the present invention.
In figure:
1, lifting electromagnet;2, rotary bracket;3, holding frame is rotated;4, rotating shaft;5, bearing block;6, bearing bracket;7、
Drive motor bracket;8, holding frame driving motor;9, electric machine support;10, close to switch;11, close to switch base;12, Distance-sensing
Device;13, convex shrapnel;14, baffle;SQ1, close switch one;SQ2, close switch two;SQ3, close switch three;SQ4, it approaches
Switch four;SQ5, range sensor;R, electromagnetic coil.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained belong to what the present invention protected
Range.
As shown in Fig. 1-5 and Fig. 9, a kind of energy-saving mechanical handling electromagnetism ground jack according to embodiments of the present invention,
Including ground jack main body 1, the side of the ground jack main body 1 is provided with drive motor bracket 7, and the ground jack main body 1 is another
Side is provided with holding frame driving motor 8;The output shaft of the drive motor bracket 7 is connected with L-shaped rotary bracket 2, the support
The output shaft of frame driving motor 8 is connected with rotation holding frame corresponding with the rotary bracket 23;The ground jack main body 1 includes setting
It is also electrically connected bracket in internal electromagnetic coil R and the PLC controller being electrically connected with electromagnetic coil R, the PLC controller
Driving motor 7, holding frame driving motor 8, range sensor 12 and close switch 10.
In one particular embodiment of the present invention, the output shaft of the drive motor bracket 7 and holding frame driving motor 8
Output shaft is respectively connected separately with single-revolution axis 4, and each rotating shaft 4 is flexibly connected two bearing blocks 5, and the bearing block 5 passes through axis
Base supporting 6 is fixedly mounted in ground jack main body 1.
In one particular embodiment of the present invention, the rotary bracket 2 and rotation holding frame 3 are respectively connected to single-revolution
On axis 4.
In one particular embodiment of the present invention, the drive motor bracket 7 and holding frame driving motor 8 respectively pass through respectively
One electric machine support 9 is fixedly mounted in ground jack main body 1.
In one particular embodiment of the present invention, the bottom of the electric machine support 9 is both provided with several anticollision gussets, and
And range sensor 12 is arranged in the bottom of one of electric machine support 9.
In one particular embodiment of the present invention, the ground jack main body 1 is set in the same side with the rotary bracket 2
The rotary bracket 2 corresponding two is equipped with close to switch base 11, and the ground jack main body 1 is same with the rotation holding frame 3
Side is provided with two corresponding with the rotation holding frame 3 close to switch base 11.
In one particular embodiment of the present invention, each several permanent magnets and one are both provided with close in switch base 11 to connect
Nearly switch 10.
In one particular embodiment of the present invention, it is provided with open corresponding with rotary bracket 2 in the rotation holding frame 3
Mouthful.
In one particular embodiment of the present invention, the end of the rotary bracket 2 is provided with convex shrapnel 13 and baffle
14, the rotation holding frame 3 is between convex shrapnel 13 and baffle 14.
In order to facilitate understand the present invention above-mentioned technical proposal, below by way of in specifically used mode to the present invention it is above-mentioned
Technical solution is described in detail.
The present invention using be fixedly connected and install by the way of the conventional means such as bolt, welding can be used to replace, be flexibly connected
Mode can use the conventional means such as rotary shaft, bearing, pin to replace.
Rotary bracket 2 and rotation holding frame 3 are respectively set in the middle part of 1 two sides of ground jack main body, is set to the mesh at middle part
Be in order to reduce rotary bracket 2 with rotation holding frame 3 the occupied space when opening, while shortening the arm of force, and then reduce work(
Consumption mitigates dead weight, and rotary bracket 2 and rotation holding frame 3 are by bearing block 4, axis 5 and the bearing block for being set to lifting electromagnet side
Holder supports jointly, and rotary bracket 2 and rotation holding frame 3 provide power by drive motor bracket 7 and holding frame driving motor 8 respectively;
Drive motor bracket 7 and holding frame driving motor 8 by be provided with the circuit of A.C. contactor (KM1, KM2, KM3, KM4) with
PLC controller is electrically connected;Electric machine support 9 is respectively arranged at the front and the back side of electromagnet, is that drive motor bracket 7 and holding frame are driven
Dynamic motor 8 provides support, while bottom surface is provided with anticollision gusset;Range sensor 12 (SQ5) is for coordinating PLC controls system
System and be automatically performed the handling period close to switch, be set to 9 bottom of electric machine support, both can the outlet together with motor, also can be with
Motor shares the protection of anticollision gusset;Electromagnet both sides are similarly provided at close to switch base 11, per side each one up and down, totally 4,
Every is internally provided with 1 close switch 10 and several permanent magnets close to switch base 11, and suction is big slightly caused by permanent magnet
In the dead weight of rotary bracket 2 and rotation holding frame 3, close to switch 10 (close to one SQ1 of switch, two SQ2 of close switch, close switch
Three SQ3, four SQ4 of close switch) for rotary bracket 2 and the limit for rotating holding frame 3, it is arranged and is connect in the lower part of 2 side of rotary bracket
When nearly switch 10 receives signal, then drive motor bracket 7 stops and is powered and is rotated to absorbate material bottom to holding frame driving motor 8
Portion, setting receives signal tail-bracket driving motor 7 close to switch 10 in 2 upper lateral part of rotary bracket and stops, under 3 side of rotation holding frame
Rotation holding frame 3 stops after portion receives signal close to switch 10 and the disconnected magnetic of lifting electromagnet, setting are close in rotation 3 upper lateral part of holding frame
After switch 10 receives signal, holding frame driving motor 8 stops, to coordinate PLC control system and range sensor to complete handling week
Phase had both limited rotary bracket 2 with rotation holding frame 3 because used by making close to switch 10 and several permanent magnets close to switch base 11
Property continue to rotate, and limit rotary bracket 2 and rotate holding frame 3 backswing;The ground jack main body 1 and lifting at present on the market
Electromagnet theory structure is identical, but coil is different, and coil is by the design of higher current density standard (4A/mm2 or more, tradition
1.5A/mm2) because of super short time duty so service life can't be influenced, and it is less with line, dead weight is lighter, and cost is lower;
PLC controller, which can coordinate be automatically performed with range sensor close to switch, inhales blowing combination, when range sensor 12 the
It is primary when providing signal and reaching the suction blowing height of setting from high to low, automatic magnetic exciting suction, when range sensor 12 provides letter
When number reaching the handling height and excitation of setting from low to high, automatically by rotary bracket 2 and rotation holding frame 3 rotation to absorbate material
Lower section provides signal from dynamic circuit breaker magnetic close to switch 10 at this time, reaches setting from high to low when range sensor 12 provides signal
When handling height, automatic magnetic exciting, and open rotary bracket 2 and rotation holding frame 3 after 3s, it is given for second when range sensor 12
When going out signal and reaching the suction blowing height of setting from high to low, from dynamic circuit breaker magnetic blowing, to this one complete handling period of completion.
As shown in fig. 6-7, when specific works:1. energization excitation suction:When ground jack main body 1 is close to material, for the first time
It is passed down through suction line, range sensor 12 provides the coil working state that signal changes ground jack main body 1, is changed by disconnected magnetic state
For excited state, material is picked up, while controlling the rising of ground jack main body 1;2. below the rotation to absorbate material of rotary bracket 2:
When ground jack main body 1 rises through handling line, range sensor 12 provides signal will be under the rotation to absorbate of rotary bracket 2
Side;3. rotating below the rotation to absorbate material of holding frame 3:2 side lower part of rotary bracket provides signal close to switch 10 will rotate holding frame 3
Below rotation to absorbate material;4. on power-cut discharge to rotary bracket 2 and rotation holding frame 3:Holding frame side lower part is rotated close to switch
10 provide signal by the disconnected magnetic of the coil of ground jack main body 1, and absorbate material is put to rotary bracket 2 and rotation holding frame 3, into handling
Process;5. above handling material to appointed place;6. energization excitation suction:When ground jack main body 1 is dropped through handling line, away from
The coil working state that signal changes ground jack main body 1 is provided from sensor 12, excited state is changed to by disconnected magnetic state, by material
It picks up;7. turning on rotary bracket 2 and rotation holding frame 3:It rotates holding frame 3 after excitation 3s to automatically open, rotation 3 upper lateral part of holding frame is close
Switch 10 provides signal and turns on rotary bracket 2, while controlling the decline of ground jack main body 1;8. power-cut discharge is to ground:Rotation support
The top of 2 side of frame provides signal close to switch 10, and drive motor bracket 7 stops, and ground jack main body 1 is earthward close to simultaneously second
It is passed down through suction line, range sensor 12 provides signal, and break magnetic blowing.So far in PLC, close switch 10, range sensor
A handling period has been automatically performed under 12 mutual cooperation.
As shown in figure 8, rotary bracket 2 is non-magnetic material, paramagnetics or diamagnetism with rotation holding frame 3, this programme uses
20Mn23Al materials, wear-resisting and intensity are high;Rotary bracket 2 is L-type structure, and L-type end is provided with baffle 14 and several convex copper
Shrapnel 13 processed, absorbate material directly rushes open rotation holding frame 3, convex when the effect of baffle 14 is to prevent ground jack main body 1 from tilting
Holding frame is deviate from when the same purpose of copper shrapnel 13 is to prevent ground jack main body 1 from tilting, and L-type tail portion uses bezel designs, is protected
The folding of card rotation holding frame 3 is freely;Rotation holding frame lower part is provided with opening for fixing rotary bracket 2;All using hollow out loss of weight
Design, trepanning loss of weight in place.
In conclusion by the above-mentioned technical proposal of the present invention, it is 1. energy saving, when the entire work period only has suction and blowing
Lifting electromagnetic coil works, and handling process not power consumption.It is compared below by the working time to comparing energy consumption;
Then conduction time ratio 16s/360s=4.44%;It should be noted that in view of the motor power consumption having more is (due to work
It is short to make the time, and power general very little compared with coil magnetization power, is estimated by 1.1 times of conduction times), that is, complete a lifting
Period energy saving Conservative estimation is up to more than 95% (16 × 1.1/360);For handling apart from remote workplace, if the handling time is
10min, then conduction time ratio is 2.93% (16 × 1.1/600), and Conservative estimation is energy saving up to 97% or more;2. safe and reliable;Machine
Tool handling, even if power control cabinet failure or powerup issue still will not fall base during handling, in addition handling high temperature billet difficulty reduces,
Due to a bit of time that only works, higher suction can be designed without excessively considering coil temperature rise problem;3. dead weight subtracts
Gently, cost is reduced;Required coil is reduced, because becoming super short time duty, coil can be designed by higher current density, can be saved
About 50% or more coil.The dead weight of large-scale lifting electromagnet and the reduction of cost become apparent;4. longer life expectancy;Super short-term operation
System, coil temperature rise is low, and coil aging probability is greatly reduced;5. simplifying power failure protector magnetic system;Specification selection can drop in accumulator, subtract
The cost and space that few accumulator occupies.Due to will not cause to drop off power-off during handling thus if can save and stop
Electricity protects magnetic system;6. reducing lifting electromagnet quantity needed for handling;Due to mechanical force be not as tight as requirement of the electromagnetic force to the point of application
Lattice, former 4 connection, which hang with 2-3 platform energy-saving mechanical handling electromagnetism ground jacks to be joined, hangs replacement, and then shortens crossbeam length.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is every that there is skill identical or similar to the present application
Art scheme, is within the scope of the present invention.