CN105048758A - Electromagnetic direct-drive type impact vibrator - Google Patents
Electromagnetic direct-drive type impact vibrator Download PDFInfo
- Publication number
- CN105048758A CN105048758A CN201510275841.8A CN201510275841A CN105048758A CN 105048758 A CN105048758 A CN 105048758A CN 201510275841 A CN201510275841 A CN 201510275841A CN 105048758 A CN105048758 A CN 105048758A
- Authority
- CN
- China
- Prior art keywords
- coil
- mover
- block stamp
- permanent magnet
- hall element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention relates to the technical field of engineering machinery, and especially relates to an electromagnetic direct-drive type impact vibrator. The vibrator consists of a stator, a rotor punch hammer, a detection device, a control part, and a driver. The stator is fixedly provided with a plurality of permanent magnets, and the sides, close to the rotor punch hammer, of the plurality of permanent magnets are N and S poles which are arranged alternately. According to the length of the rotor punch hammer and travel requirements, the lengths of the plurality of permanent magnets are arranged. Two ends of the rotor punch hammer are provided with a stoke limit position and a return limit position. The rotor punch hammer is fixedly provided with an electromagnetic coil equipped with an iron core. The arrangement mode of coils is based on a three-phase sequence (A, B, C), and each three coils are taken as a group for circulating arrangement. The non-impact side of the rotor punch hammer is provided with the detection device. The vibrator reduces a mechanism conversion device of a conventional electric type impact vibrator, reduces the weight and size, improves the efficiency, and improves the impact operation force and the impact resistance of a rotor.
Description
Technical field
The present invention relates to technical field of engineering machinery, especially a kind of electromagnetic direct-drive formula impact shock body.
Background technology
In engineering machinery, impact shock Work machine generally comprises rock drill, pile-grafting machine, breakup pick, vibrospade etc., and it is that other machineries are incomparable to the breaking capacity of stiff soil and rock.The core component of impact shock machinery (facility) is impact shock body, and impact shock body has internal combustion type, pneumatic type, fluid pressure type, electrodynamic type etc. by power source, and internal combustion type does not need to be equipped with power source, but weight and volume is comparatively large, reliability is poor; Pneumatic type structure is simple, technical difficulty is low, but the power source of joining (air compressor machine) volume, weight are large, and source of the gas transmission efficiency is low, and noise is larger; Fluid pressure type volume is little, lightweight, but also also exist that manufacture difficulty is large, cost is high, the easy leakage loss of fluid, maintenance require that high, hydraulic power supply is not suitable for the comparatively shortcoming such as long range propagation; Electrodynamic type has power source and obtains the advantages such as convenient, power transfer efficiency is high, long transmission distance, control performance are good, easy to manufacture, price is lower, but, what the impact shock body of existing electrodynamic type impact shock machinery (facility) adopted is that the mechanical mechanism that moves through that electric rotating machine produces is converted to rectilinear motion, switching mechanism is complicated, add weight and volume, reduce efficiency.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of electromagnetic direct-drive formula impact shock body, decrease the mechanism conversion device of traditional electrical dynamic formula impact shock body, reduce weight and volume, raise the efficiency, and improve the impact operation power of impact shock body and the resistance to impact of mover.
In order to solve the problems of the technologies described above, the present invention includes by stator, mover block stamp, checkout gear, control and driver composition, described stator is installed with some pieces of permanent magnets, permanent magnet is N near mover block stamp side, S pole is alternately arranged, according to the length of mover block stamp and the length of range demands arrangement permanent magnet, the two ends of described mover block stamp stroke arrange full stroke position and backhaul extreme position, described mover block stamp is installed with the solenoid of ribbon core, the arrangement mode of coil is according to three-phase A, B, C order, be one group of cycle arrangement with three, mover block stamp non-percussion side is provided with checkout gear, checkout gear is made up of three Hall switch sensors and a lienar for Hall element, three Hall switch sensors are used for detecting the relative position with permanent magnet on stator, and lienar for Hall element is used for detectable limit position to control the stroke of mover block stamp.
Preferably, the permanent magnet of described stator, size relationship between the Hall element of coil and three detection relative positions is: between the permanent magnet of different magnetic poles, size between out of phase mover coil in the mover direction of motion is equal, and the size of two permanent magnets equals the size of three coils, first Hall element coil distance nearest apart from it is 3/4 coil dimension, latter two Hall element is respectively 1/2 coil dimension apart from previous distance, the signal transmission of Hall element is given and is controlled and driver, control power supply size and the direction of three-phase coil.
The present invention reduces the mechanism conversion device of traditional electrical dynamic formula impact shock body, reduce weight and volume, raise the efficiency, and improve the impact operation power of impact shock body and the resistance to impact of mover.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is Figure 1A-A position cutaway view;
Fig. 3 is that permanent magnet installs relation;
Fig. 4 is solenoid mounting structure figure;
Fig. 5 is plurality of electromagnetic winding wiring schematic diagram;
Fig. 6 is single group coil line schematic diagram;
Fig. 7 is electromagnetic direct-drive formula impact shock body running procedure chart;
Fig. 8 is control program flow chart;
Fig. 9 is solenoid control mode.
Embodiment
Embodiment cited by the present invention; just understand the present invention for helping; should not be construed as limiting the scope of the present invention; for those skilled in the art; without departing from the inventive concept of the premise; can also improve the present invention and modify, these improve and modification also falls in the scope of the claims in the present invention protection.
Electromagnetic direct-drive formula impact shock body of the present invention as depicted in figs. 1 and 2, comprises shell 1, first yoke 2 and the second yoke 9, first permanent magnet 3 and the second permanent magnet 8 and full stroke position 141 and backhaul extreme position 142 and forms stationary part; First solenoid 4 and the second solenoid 7, mover support 5, extreme position detecting sensor 11 and relative position checkout gear 12 form subpart, and wherein extreme position detecting sensor 11 and relative position detecting sensor 12 are arranged on the non-one end be hit of mover support 5; Be connected by the first guide rail 6 and the second guide rail 10 between mover with stator, the first guide rail 6 and the second guide rail 10 are fixed on inside shell 1, and the slide block of guide rail is fixed on mover support 5, is realized the slip of mover relative stator by slide block slip in orbit; The one end protecting line drag chain 13 is connected with subpart non-percussion end, and the other end is connected to control and driver.Stator has on two row's set of permanent magnets, mover and have two row's solenoids, be and be arranged symmetrically with, to cancel each other between permanent magnet and solenoid in the power on direction that moves both vertically to reach, reduce wearing and tearing to guide rail.
In stationary part, the arrangement mounting means of permanent magnet as shown in Figure 3, polylith first permanent magnet 3 proper alignment is fixedly mounted in yoke 2, during arrangement, the first permanent magnet 3 is respectively N pole and the circulation of S pole near the side of coil, and namely often adjacent its magnetic pole near coil sides of two pieces of permanent magnets 3 is different.Yoke 2 is fixedly mounted on housing 1, and mounting means can adopt the bolt 15 shown in Fig. 2 to connect, but is not limited to which.
In subpart, the mounting means of solenoid on mover support as shown in Figure 4.Solenoid 4 is divided into A, B, C three-phase, cycle arrangement is arranged in coil yoke 2, coil yoke 2 is fixedly mounted on mover support 5, and its mounting means can adopt the bolt-and-nut shown in Fig. 3 but be not limited to this and be fixedly connected with mode, and coil is symmetrically distributed in the both sides of mover support.Connected mode between A, B, C three-phase coil as shown in Figure 4, three-phase coil adopts " Y " type connected mode, namely one end of three coils links together, the other end is connected with extraneous driving power, one end that the coil belonging to same phase is connected with extraneous driving power links together, by the unified power supply of driving power, the V mouth that the A phase coil as all in Fig. 4 is connected to the U mouth of driving power, B phase coil is connected to driving power, C phase coil are connected to the W mouth of driving power.As shown in Figure 6, coil all adopts counterclockwise canoe to the wiring schematic diagram of single group three-phase coil, and also can adopt clockwise, three-phase coil winding direction unanimously.
The course of work of electromagnetic direct-drive formula impact shock body as shown in Figure 7.Mover block stamp installs limit position sensor, stator is installed two extreme position points that can detect for limit position sensor.During work initial condition, no matter block stamp is positioned at any position, start mover backhaul program, the magnetic pole of its correspondence is now detected by three Hall elements, judge to the energising direction of three-phase coil, make each mover block stamp by the upwards active force as shown in position in Fig. 7 one, block stamp moves upward under that force, when arriving upper extreme position, output signal after limit position sensor detects, the program that controller runs is switched to stroke program, although now the block stamp direction of motion upwards, but it is rightabout by electromagnetic force, see position two in Fig. 7, under electromagnetic force, mover slows down until speed is zero (position three), then mover starts acceleration and moves downward (position four) under electromagnetic force, when mover continues to accelerate to lower limit position (position five), damage for avoiding impacting operation process coil, by whole for three-phase coil power-off, enter impact process (position six), resilience after mover impacts, limit position sensor detects lower limit position (position seven), controller working procedure switches to backhaul program, block stamp enters return stroke, if block stamp (has been enough to impact process in this time at power cut off delay blink, can be taken as 100ms) there is no resilience, then directly enter backhaul program.Circulation like this realizes electromagnetic impact vibrating body and continues to carry out impact operation.
According to electromagnetic direct-drive formula impact shock body running process setting, control program flow process as shown in Figure 8, process is mainly divided into: power on, enter backhaul program, when backhaul extreme position being detected, run stroke program, when limit position sensor detects full stroke position, power-off enters impact process, and impact process terminates to enter backhaul program when again exceeding a certain value (desirable 100ms) by full stroke position or power-off time.
In backhaul program, three relative position sensors constantly judge that (transducer detects corresponding to S pole or N pole by exporting high level or low level for the magnetic pole of the permanent magnet of its correspondence, can judge with the fixed position of three-phase coil the magnetic field of permanent magnet that each phase coil is corresponding) by transducer, according to the corresponding situation shown in table 1, mover is made to realize drawback movement to the electric current of three-phase coil supply correspondence.The backhaul of mover judges as shown in table 1.Relative position detecting sensor that backhaul judgement table shown in table 1 shows output signal power with three-phase coil between pass be: permanent magnet magnetic corresponding to three relative position detecting sensors very N, N, S time, after the energising of A, B, C three-phase coil, magnetic pole is respectively 0 (represent and do not power on), N, S; When the corresponding magnetic pole of transducer is N, S, S, after coil electricity, magnetic pole is respectively: N, 0, S; When the corresponding magnetic pole of transducer is S, S, S, after coil electricity, magnetic pole is respectively: N, S, 0; When the corresponding magnetic pole of transducer is S, S, N, after coil electricity, magnetic pole is respectively: 0, S, N; When the corresponding magnetic pole of transducer is S, N, N, after coil electricity, magnetic pole is respectively: S, 0, N; When the corresponding magnetic pole of transducer is N, N, N, after coil electricity, magnetic pole is respectively: S, N, 0.
In like manner, in mover block stamp stroke procedure, stroke judges as shown in table 2, permanent magnet magnetic corresponding to three relative position detecting sensors very N, N, S time, after the energising of A, B, C three-phase coil, magnetic pole is respectively N, S, 0 (represent and do not power on); When the corresponding magnetic pole of transducer is N, N, N, after coil electricity, magnetic pole is respectively: N, 0, S; When the corresponding magnetic pole of transducer is S, N, N, after coil electricity, magnetic pole is respectively: 0, N, S; When the corresponding magnetic pole of transducer is S, S, N, after coil electricity, magnetic pole is respectively: S, N, 0; When the corresponding magnetic pole of transducer is S, S, S, after coil electricity, magnetic pole is respectively: S, 0, N; When the corresponding magnetic pole of transducer is N, S, S, after coil electricity, magnetic pole is respectively: 0, S, N.
The r of electromagnetic direct-drive formula impact shock body solenoid in the operation engineering of stroke or backhaul as shown in Figure 6.Signal I1, I2, I3 of relative position detecting sensor are input to controller, by the judgement of controller, export 6 control signals (exporting from O, P, Q, X, Y, Z six interfaces respectively) and control six IGBT power amplifier tubes.Six power amplifier tubes are divided into three groups of parallel connections, be often two series connection in group, as F1 and F2 series connection in Fig. 9, F3 and F4 series connection, F5 and F6 series connection, six IGBT in parallel adopt " two or two energising " mode, often have in a flash two power tubes to be energized, two power amplifier tubes often organizing series connection only allow a conducting simultaneously simultaneously.For realize electromagnetic direct-drive formula impact shock body after the power-up backhaul work illustrate and pass through control principle.If the magnetic pole that after powering on, relative position sensor detects is N, N, S, then A phase coil does not power on, B phase coil will produce N pole magnetic pole, C phase coil produces S pole magnetic pole, the winding diagram according to Fig. 5, and the sense of current should enter B phase coil from V mouth, flows out from the W mouth of C phase coil, now, needs Fig. 7 middle controller according to three relative position detecting sensor input signal I1, I2, I3, to P, Z tri-ports export high level signal, now F3, F6 bis-power amplifier tube conductings, electric current enters B phase coil through power amplifier tube F3 from V mouth from the positive pole of power supply, then flow through from the W mouth of C phase coil the negative pole that power amplifier tube F6 enters coil, it is N that mover block stamp drawback movement detects its corresponding magnetic pole to three relative position sensors, S, S, P port high level is become low level by controller, O mouth low level is become high level, then power tube F1 conducting simultaneously, F3 ends, and electric current enters loop A from U end, flow out from the W mouth of coil C, mode successively, controller, according to the signal of relative position detecting sensor, controls the conducting of six power amplifier tubes, can realize the drawback movement of mover block stamp.
Need backhaul program and the stroke program of reading in control flow shown in Fig. 8, namely backhaul program constantly carries out backhaul judgement by shown in table 1; Namely stroke program constantly carries out stroke judgement by shown in table 2.
Table 1 backhaul program judges table
Table 2 stroke program judges table
Note: in table 1 and table 2, "●" represents drive singal high potential, "-" represents that coil is without magnetic field or drive singal electronegative potential.
Claims (2)
1. electromagnetic direct-drive formula impact shock body, it is characterized in that, comprise by stator, mover block stamp, checkout gear (11), control and driver composition, described stator is installed with some pieces of permanent magnets (3, 8), permanent magnet (3, 8) close mover block stamp side is N, S pole is alternately arranged, according to the length of mover block stamp and the length of range demands arrangement permanent magnet, the two ends of described mover block stamp stroke arrange full stroke position (141) and backhaul extreme position (142), described mover block stamp is installed with the solenoid (4 of ribbon core, 7), the arrangement mode of coil is according to three-phase A, B, C order, be one group of cycle arrangement with three, mover block stamp non-percussion side is provided with relative position checkout gear (11), checkout gear (11) is made up of three Hall switch sensors and a lienar for Hall element, three Hall switch sensors are used for detecting the relative position with permanent magnet on stator, and lienar for Hall element is used for detectable limit position to control the stroke of mover block stamp.
2. electromagnetic direct-drive formula impact shock body according to claim 1, it is characterized in that, the permanent magnet (3 of described stator, 8), solenoid (4, 7) size relationship and between the Hall element of three detection relative positions is: between the permanent magnet of different magnetic poles, size between out of phase mover coil in the mover direction of motion is equal, and the size of two permanent magnets equals the size of three coils, first Hall element coil distance nearest apart from it is 3/4 coil dimension, latter two Hall element is respectively 1/2 coil dimension apart from previous distance, the signal transmission of Hall element is given and is controlled and driver, control power supply size and the direction of three-phase coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510275841.8A CN105048758B (en) | 2015-05-26 | 2015-05-26 | Electromagnetic direct-drive formula impact shock body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510275841.8A CN105048758B (en) | 2015-05-26 | 2015-05-26 | Electromagnetic direct-drive formula impact shock body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105048758A true CN105048758A (en) | 2015-11-11 |
| CN105048758B CN105048758B (en) | 2017-10-03 |
Family
ID=54455047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510275841.8A Active CN105048758B (en) | 2015-05-26 | 2015-05-26 | Electromagnetic direct-drive formula impact shock body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105048758B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000236653A (en) * | 1999-02-15 | 2000-08-29 | Sanyo Electric Co Ltd | Stator of linear motor and manufacture thereof |
| CN101145422A (en) * | 2006-09-13 | 2008-03-19 | Tdk株式会社 | Magnetic path and manufacturing method and device thereof |
| CN101635499A (en) * | 2008-07-25 | 2010-01-27 | 日立汽车系统株式会社 | Circular-shaped linear synchronous motor, electromagnetic suspension and motor-driven steering device using the same |
| CN102522872A (en) * | 2011-12-30 | 2012-06-27 | 深圳大学 | High-frequency short-distance reciprocating motion mechanism of linear motor and control method of high-frequency short-distance reciprocating motion mechanism |
-
2015
- 2015-05-26 CN CN201510275841.8A patent/CN105048758B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000236653A (en) * | 1999-02-15 | 2000-08-29 | Sanyo Electric Co Ltd | Stator of linear motor and manufacture thereof |
| CN101145422A (en) * | 2006-09-13 | 2008-03-19 | Tdk株式会社 | Magnetic path and manufacturing method and device thereof |
| CN101635499A (en) * | 2008-07-25 | 2010-01-27 | 日立汽车系统株式会社 | Circular-shaped linear synchronous motor, electromagnetic suspension and motor-driven steering device using the same |
| CN102522872A (en) * | 2011-12-30 | 2012-06-27 | 深圳大学 | High-frequency short-distance reciprocating motion mechanism of linear motor and control method of high-frequency short-distance reciprocating motion mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105048758B (en) | 2017-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101834511B (en) | Planar transverse magnetic flux switch flux linkage permanent magnet linear motor | |
| CN104993651B (en) | Alinco assembled device | |
| CN103208903A (en) | Linear motor for pump | |
| CN105128692A (en) | High-speed magnetic suspension linear propulsion system | |
| CN211014610U (en) | Rotary permanent magnet electric suspension and drive integrated testing device | |
| CN101320957B (en) | Control device of primary winding segmenting structure permanent magnet synchronous linear electric motor | |
| CN204835879U (en) | Two side C types do not have iron core linear motor motion module | |
| CN106428605B (en) | Electromagnetic launch technology of unmanned aerial vehicle device associated braking system | |
| CN103236774A (en) | Bilateral flat-plate type linear motor | |
| CN102832860A (en) | Double-switch magnetoresistive motor system based on synchronous drive | |
| CN101719712B (en) | Moving-iron type linear motor coil array power-driven allocation method | |
| CN108599521A (en) | A kind of hybrid magnetoresistive type magnetic-suspension linear motor with axialy offset magnetic flux | |
| CN107584792A (en) | A kind of linear drives high-speed blanking press | |
| CN106877624A (en) | New pair of Ω type stator horizontal magnetic pass permanent magnetic line electromotor | |
| CN105048758A (en) | Electromagnetic direct-drive type impact vibrator | |
| CN201956761U (en) | Linear cylinder type switched flux permanent magnet generator | |
| CN201956874U (en) | Permanent magnet direct drive type linear motor | |
| CN112701873A (en) | Plate type hybrid permanent magnet linear motor | |
| CN201467049U (en) | Switched reluctance motor control device without position sensor | |
| CN203788208U (en) | Large power cylindrical linear switch magnetic resistance motor control device | |
| CN201041980Y (en) | Permanent magnetic machine | |
| CN206231637U (en) | Electromagnetic launch technology of unmanned aerial vehicle device associated braking system | |
| CN201978809U (en) | Driving device of numerical control air valve for coal jigging machine | |
| CN202282719U (en) | Permanent magnet linear synchronous motor | |
| CN201813295U (en) | Motor with overcurrent alarm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |