CN108825122A - A kind of high-frequency percussion permanent magnet linear motor system - Google Patents
A kind of high-frequency percussion permanent magnet linear motor system Download PDFInfo
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- CN108825122A CN108825122A CN201810641119.5A CN201810641119A CN108825122A CN 108825122 A CN108825122 A CN 108825122A CN 201810641119 A CN201810641119 A CN 201810641119A CN 108825122 A CN108825122 A CN 108825122A
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- permanent magnet
- mover
- magnetic field
- linear motor
- lid
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- 238000009527 percussion Methods 0.000 title claims abstract description 25
- 239000002775 capsule Substances 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000004146 energy storage Methods 0.000 claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 claims abstract description 17
- 230000001012 protector Effects 0.000 claims abstract description 14
- 238000004804 winding Methods 0.000 claims abstract description 14
- 210000004907 gland Anatomy 0.000 claims abstract description 13
- 229920001971 elastomer Polymers 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 229910000906 Bronze Inorganic materials 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 239000010974 bronze Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 5
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 2
- 229920000297 Rayon Polymers 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 9
- 239000000203 mixture Substances 0.000 abstract description 4
- 239000004568 cement Substances 0.000 abstract description 3
- LLJRXVHJOJRCSM-UHFFFAOYSA-N 3-pyridin-4-yl-1H-indole Chemical compound C=1NC2=CC=CC=C2C=1C1=CC=NC=C1 LLJRXVHJOJRCSM-UHFFFAOYSA-N 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 11
- 239000011435 rock Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/12—Electrically operated hammers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/003—Bearing, sealing, lubricating details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Linear Motors (AREA)
Abstract
A kind of high-frequency percussion permanent magnet linear motor system, is mainly made of stator system, subsystem, mechanical system；It is characterized in that：Stator system includes：Outer cylinder, inner cylinder, stator core, winding；Subsystem includes：The permanent magnet that mover axis, multiple groups halbach are arranged, every group of permanent magnet includes the pole N, the outside dynode in magnetic field, the pole S, the inside dynode in magnetic field, magnet steel pressure ring, mover upper end；Mechanical system includes：Protector piston, sealing, multi-functional rear support lid, backhaul energy storage capsule, capsule stress lid, linear bearing, displacement sensor ontology, sensor rotating ring, rotating ring mounting base, rotating ring gland, anti-collision rubber block, preceding linear bearing, preceding fixing seat, Forward dynamic sealing and block stamp composition.The present invention has a wide range of application, and is mainly used for the high frequency auxiliary impact device of oil drilling under high temperature, high pressure, it can also be used to which resonance crushing head and tunnel rock out auxiliary impact equipment of cement pavement etc. needs the occasion of high-frequency reciprocating ballistic motion.
Description
Technical field
The present invention relates to the drilling well of petroleum auxiliary impact and broken rock field, a kind of high-frequency percussion permanent magnet linear motor for being invented
System, high temperature resistant, high pressure are high-efficient, and frequency of impact and motion amplitude are continuously adjustable, can be used as underground petroleum drilling well auxiliary impact
Equipment and tunnel rock fracture in dynamic indentation, airport and the applications such as cement pavement resonance is broken.
Background technique
Most motors are rotating electric machine, and output is rotary motion, and motion transform is needed when needing to move along a straight line
Mechanism becomes rotary motion to move linearly, and there is inefficient, the low problem of frequency in this way.Linear motor can be straight without converting
The reciprocating motion for realizing straight line is connect, structure is simple, can improve the efficiency of system and the frequency of reciprocating motion.Oil drilling is adopted now
It is rotation broken rock, it is real if can be superimposed with reciprocal ballistic motion in the movement of rotation can greatly improve the efficiency of broken rock
Now reciprocal impact linear motion, if whole ballistic motion is impossible for the drilling rod of several kms, therefore can only be
Ballistic motion mechanism is mounted at downhole drill bit, simultaneously because the limitation of borehole space, has strict requirements to the diameter of mechanism,
Since in underground depths, there is the problems such as high temperature, high pressure, therefore it is badly in need of a kind of small in size, energy high-frequency operation, and working frequency
Continuously adjustable mechanism.General linear motor is the environment that high temperature and pressure cannot be born in ground handling, structure；Conventional
For moving back and forth motor using mechanical spring structure, there are intrinsic frequencies low, perishable destruction, spring constant creep etc.
Problem discloses a kind of light-duty DC linear electric motor in Chinese patent 102013783A, but is not suitable for high-temperature high-pressure work environment.
Since the technology belongs to new technology, therefore there are no the linear induction motor systems for being able to satisfy working condition requirement in the market.
Summary of the invention
Technology of the invention solves the problems, such as：It is high to overcome the deficiencies of the prior art and provide a kind of power density, motion frequency
Height, the service life is long, can be at high temperature under high pressure using also can be in Ground Application, while motion frequency and the adjustable high efficiency of motion amplitude
Linear induction motor system.
Technical solution of the invention is：A kind of high-frequency percussion permanent magnet linear motor system, mainly by stator system, dynamic
Subsystem and mechanical system composition；Stator system includes：Outer cylinder, inner cylinder, stator core, winding；Subsystem includes：Mover
The permanent magnet that axis, multiple groups halbach are arranged, every group of permanent magnet include that the pole N, the outside dynode in magnetic field, the pole S, magnetic field are inwardly intermediate
Pole, magnet steel pressure ring, mover upper end；Mechanical system includes：Protector piston, multi-functional rear support lid, backhaul energy storage capsule, glue
It is Nang Shouligai, linear bearing, displacement sensor ontology, sensor rotating ring, rotating ring mounting base, rotating ring gland, anti-collision rubber block, preceding
Bearing gland, preceding linear bearing, preceding fixing seat, Forward dynamic sealing, block stamp, outer cylinder upper end and preceding fixing seat interference fit, lower end
It is interference fitted with multi-functional rear support lid, before inner cylinder upper end is mounted on by screw in the mating surface of fixing seat, there is twice O in centre
The sealing of type sealing ring, lower end are mounted in the mating surface of multi-functional rear support lid by screw, and centre has twice O-ring seal close
Envelope, stator core have multiple groups, and every group is formed by left and right two pieces, and the internal diameter cooperation of outer diameter and inner cylinder, winding is placed on stator core
It is left and right that external outlet, by drawing in the slot of inner cylinder, mover axis lower end is mounted on mandrel by linear bearing between two pieces, on
End is mounted on mover upper end, and the permanent magnet of halbach arrangement has a multiple groups, every group by the pole N, the outside dynode in magnetic field, the pole S,
The inside dynode composition in magnetic field, on the end face of mover upper end, lower end is compressed by magnet steel pressure ring by internal screw thread for upper end, is protected
The sealing ring that two opposite installations are filled on shield device piston, is mounted as a whole in the cylinder body of multi-functional rear support lid, backhaul energy storage glue
Capsule one end is close on the end face of multi-functional rear support lid, and the other end is close to be covered in capsule stress, and mover assembly passes through magnet steel
Pressure ring abuts against capsule stress and covers, and displacement sensor ontology is fixedly mounted on multi-functional rear support cover core axis by interference fit
End, sensor rotating ring pass through screw in compression, anti-collision rubber block by being slidably installed in rotating ring mounting base, by rotating ring gland
Before being mounted on by screw in fixing seat, the inner hole of fixing seat, the forward bearing gland pressure of the other end before preceding linear bearing is mounted on
Tightly, there are two the dynamic sealings that moves forward, and before being mounted in the seal groove of fixing seat, block stamp is by being threadably mounted at mover upper end head end
Portion；Described electric mover upper magnetic steel four are that N is extremely annular in one group, every group, and radial magnetizing, magnetic direction is by being internally pointed to
Outside, magnetic field is intermediate extremely annular outward, and axial charging, magnetic field is left from right direction, and S is extremely annular, radial magnetizing, magnetic direction
By external inwardly directed, magnetic field is inwardly intermediate extremely annular, axial charging, and magnetic direction is right by left direction；The mover axis
For hollow and thin-walled structure, material is permeability magnetic material, and magnet steel pressure ring and mover upper end material are non-magnetic stainless steel, backhaul energy storage
Capsule inflated with nitrogen, material are fluorubber, and absorb the upward kinetic energy of storage mover assembly by capsule stress lid, are transported downwards
Kinetic energy is discharged when dynamic；The anti-collision rubber stock material is silicon rubber；The preceding linear bearing material is tin bronze；Described
Stator core is to split around formula structure, and material is Fe-based amorphous；The winding is annular, after every group of outside appearance simultaneously
Connection, using the high-frequency line of Inverter fed motor；The displacement sensor ontology is high frequency ultra-magnetic telescopic displacement sensor, is mounted on core
Shaft end portion, sensor rotating ring are mounted on inside mobile mover axis；The protector piston is tin bronze, fills two phases above
To the U-shaped sealing ring of installation, for all static seals using double O-rings, there are two Forwards dynamic sealing (25), outermost using wear-resisting
Copper powder adds tetrafluoroethene material, another to use tetrafluoroethene material；20 to No. 30 transformers are full of inside the motor
Oil.
The principle of above scheme is：The outside dynode in the pole N, magnetic field, the inside dynode in the pole S and magnetic field of electric mover are formed
One closed magnetic field, the magnetic field is very strong in the air-gap field of mover and stator, and very weak in mover curvature magnetic field, in this way
It can reduce the thickness of stator yoke, reduce mover quality, improve the motion frequency of mover, the size contributed as needed is adopted
It is parallel relationship between each group with multiple groups magnet steel, is compressed finally by magnet steel pressure ring in end, form a subsystem, and
Mover is corresponding, and stator system has a parallel connection corresponding with subsystem, every group by left and right two panels iron core, due to the shape of magnetic circuit,
Therefore iron core is big using magnetic conductivity, the Fe-based amorphous material that coercivity is small and resistivity is big is lost to reduce, and coil is pie, places
A stator module is formed among the iron core of left and right, every group of mover magnet steel corresponds to a stator module, and stator module passes through outer
The cooperation of the internal diameter of diameter and inner cylinder, is pressed by press machine, and line outlet is last in parallel in the slot of inner cylinder.Between inner barrel and outer barrel
Drill cuttings are crossed in gap, also play cooling effect to the stator of motor, and when needing to travel forward, positive electricity is led to stator winding
Stream, winding generate magnetic field, and the magnetic field interaction in the magnetic field and mover assembly pushes mover axial advancement dynamic, due to mover axis
The quality of itself adds the quality of block stamp, generates percussion, since sensor rotating ring is mounted on mover axis, mover to load
The movable signal of axis is transferred to control system by displacement sensor, and control system is according to displacement by corresponding control algolithm come really
The size and Orientation of constant current, motor is interior to be full of No. 20 to No. 30 transformer oil, which is pressed by protector piston and the external world
Dynamic balance extends the service life of sealing element, when temperature is raised and lowered so that inside transformer oil liquid is consistent with extraneous pressure
When, transformer inner fluid volume change, these variations can be compensated by the way that protector piston is mobile, two on piston U
The opposite installation of type sealing, guarantees that well liquid external under low pressure cannot be seeped into inside motor, the oil liquid inside same motor cannot
It is seeped into outside；When axially upper backhaul is mobile for mover, by magnet steel pressure ring and capsule gland, backhaul energy storage capsule, energy storage are compressed
Inflated with nitrogen is pressurized in capsule, and volume reduces, and kinetic energy storage is in energy storage capsule, until mover axle speed is zero, when being impacted
When movement, at this moment stator system generates downward thrust, the gas expansion compressed in capsule to subsystem to the energization of motor forward direction
It releases energy, it is common that subsystem is pushed to travel forward, impact energy is generated, block stamp strikes drill bit, rock breaking efficiency is generated, if
Drill bit is too far apart from block stamp, then subsystem is flushed on anti-collision rubber block, avoids system failure.
The present invention is with the advantages of existing similar system：Compact-sized, mover assembly light weight, intrinsic frequency is high, magnet steel
Using halbach arrangement form, mover power density is high；Using the back stretch that is used as of energy storage capsule, intrinsic frequency is high, can reach
To higher frequency of impact, while fluorubber has the advantages of corrosion-and high-temp-resistant；Using piston type protector, inside is full of transformation
Transformer oil liquid product caused by device oil, balance motor inside and outside differential pressure extend sealing life, while energy compensation temperature changes becomes
Change, at the same be conducive to heat dissipation, can be used as oil drilling auxiliary rock, it can also be used to cement road, airport resonance broken rock.
Detailed description of the invention
Fig. 1 cuts open for a kind of whole three-dimensional of high-frequency percussion permanent magnet linear motor system of the technology of the present invention solution to be shown
Figure；
Fig. 2 is a kind of 3 schematic diagram of iron core of high-frequency percussion permanent magnet linear motor system of the technology of the present invention solution；
Fig. 3 is a kind of 2 schematic diagram of inner cylinder of high-frequency percussion permanent magnet linear motor system of the technology of the present invention solution；
Fig. 4 is a kind of inner cylinder 2 of high-frequency percussion permanent magnet linear motor system of the technology of the present invention solution and multi-functional
The inner cylinder assembly schematic diagram that rear support lid 13, preceding fixing seat 24 form；
Fig. 5 is a kind of permanent magnet assembly signal of high-frequency percussion permanent magnet linear motor system of the technology of the present invention solution
Figure；
Fig. 6 is a kind of mover assembly signal of high-frequency percussion permanent magnet linear motor system of the technology of the present invention solution
Figure；
Fig. 7 is a kind of multi-functional rear support lid of high-frequency percussion permanent magnet linear motor system of the technology of the present invention solution
13, backhaul energy storage capsule 14, displacement sensor ontology, protector assembling schematic diagram；
Fig. 8 is that a kind of preceding fixing seat 24 of high-frequency percussion permanent magnet linear motor system of the technology of the present invention solution waits dress
Figure schematic diagram；
Specific embodiment
As shown in Figure 1, being mainly made of stator system, subsystem and mechanical system, stator system includes：It is outer cylinder 1, interior
Cylinder 2, stator core 3, winding 4；Subsystem includes：Mover axis 5, multiple groups arrangement permanent magnet, every group of permanent magnet include the pole N 6,
The outside dynode 7 in magnetic field, the pole S 8, the inside dynode 9 in magnetic field, magnet steel pressure ring 10, mover upper end 11；Mechanical system includes：It protects
Protect device piston 12, multi-functional rear support lid 13, backhaul energy storage capsule 14, capsule stress lid 15, linear bearing 16, displacement sensor
Ontology 17, sensor rotating ring 18, rotating ring mounting base 19, rotating ring gland 20, anti-collision rubber block 21, front axle pressure cap 22, preceding straight line
Bearing 23, preceding fixing seat 24, Forward dynamic sealing 25, block stamp 26,1 upper end of outer cylinder and preceding fixing seat 24 are interference fitted, lower end and more
Function rear support lid 13 has 0.06 millimeter to 0.1 millimeter of interference fit, and 2 upper end of inner cylinder is mounted on preceding fixing seat by screw
In 24 mating surface, there is the sealing of twice O-ring seal in centre, and lower end is mounted on the cooperation of multi-functional rear support lid 13 by screw
On face, there is the sealing of twice O-ring seal in centre, and there are two types of stator cores 3, and one is end iron cores, and one is intermediate iron core, iron
The cooperation of the internal diameter of the outer diameter of core and inner cylinder 2, for convenience of offline, winding 4 is placed on the left and right between two pieces of stator core 3, and outside goes out
Line, line outlet are drawn in parallel in the slot of inner cylinder 2, and 5 lower end of mover axis is mounted on multi-functional rear support lid by linear bearing 16
On 13 mandrel, upper end is mounted on mover upper end 11, and the permanent magnet of halbach arrangement has multiple groups, and every group by the pole N 6, magnetic
Dynode 7, the pole S 8, the inside dynode 9 in magnetic field are arranged in order composition outward for field, and upper end abuts the end face of mover upper end 11
On, lower end is compressed by magnet steel pressure ring 10 by screw thread, and the U-shaped sealing ring of installation two opposite installations, whole on protector piston 12
Body is installed in the cylinder body of multi-functional rear support lid 13, and backhaul energy storage capsule 14 is mounted on the ante-chamber of Multifunctional supporting lid 13, is returned
14 one end of journey energy storage capsule is close on the end face of multi-functional rear support lid 13, and the other end is close in capsule stress lid 15, mover
Component just passes through magnet steel pressure ring 10 and is pressed on 15 face of capsule stress lid, and displacement sensor ontology 17 passes through the fixed peace of interference fit
Mounted in the mandrel end of multi-functional rear support lid 13, sensor rotating ring 18 by being slidably installed in rotating ring mounting base 19, by
Rotating ring gland 20 is by screw in compression, and before anti-collision rubber block 21 is mounted on by screw in fixing seat 24, preceding linear bearing 23 is pacified
Mounted in the inner hole of preceding fixing seat 24, the forward bearing gland 22 of the other end is compressed, and there are two the dynamic sealings 25 that moves forward, and material is different,
Before being mounted in the seal groove of fixing seat 24, block stamp 26 is by being threadably mounted at 10 end of mover upper end.
Fig. 2 is the structural schematic diagram of stator core 3 in the present invention, and stator core 3 is by end iron core 31 and intermediate iron core 32
It constitutes, Fig. 2 a is the diagrammatic cross-section of end iron core 31, and Fig. 2 b is the schematic three dimensional views of end iron core, and Fig. 2 c is intermediate iron core 32
Sectional view, Fig. 2 d is the schematic three dimensional views of intermediate iron core 32, the both ends for the iron core 3 that end iron core 31 is placed, intermediate iron core 32
There are multiple groups, be arranged successively, three-dimensional figure is as shown in Figure 2 e after arrangement, and as shown in figure 2f, stator winding 4 is placed in iron core 3 to sectional view
Sectional view 2f 302 at, the outlet at 301, outlet hole 301 is point-blank, then whole to be fitted into inner cylinder 2, inner cylinder
2 internal diameters and 3 outer diameter of iron core want grinding, interference fit, iron core 3 can be pressed into heating inner cylinder 2 or with press machine.
Fig. 3 is the schematic diagram of inner cylinder 2 in the present invention, is pin mounting hole at figure upper 201 and 203, solid before being separately mounted to
It is 4 outlet of winding place that the 202 of the respective pin hole inner cylinder 2 of reservation 24 and multi-functional rear support lid 13, which go out, and 4 inlet-outlet line of winding is at this
In welding in parallel, then drawn by the outlet hole of multi-functional rear support lid 13.
Fig. 4 is 2 assembly schematic diagram of outer cylinder 1 and inner cylinder in the present invention, inner cylinder 2 by 8 pins at 201 with it is preceding solid
Reservation 24 and Multifunctional supporting lid 13 connect, and drilling fluid is flowed through in the gap among outer cylinder 1 and inner cylinder 2, are that the circulation of drilling fluid is logical
Road, while the stator of motor is cooled down.
Fig. 5 is rotor permanent magnet component of the present invention, and Fig. 5 a is main view, and Fig. 5 b is three-dimensional figure, the pole N 6 in Fig. 5 a, magnetic field to
Outer dynode 7, the pole S 8 (magnetic pole all divides NS, does not say that an annulus is all the pole N or the pole S), the inside dynode 9 in magnetic field
All be annular, magnetizing direction is as shown in Figure 5 a, as illustrated in the pole N 6, the outside dynode 7 in magnetic field, the pole S 8, magnetic field it is inside in
Between pole 9 arrange from right to left, four be one group, be collectively aligned between each group, using which formed magnetic field at motor gas-gap
Magnetic field is strong, and weak in curvature magnetic field, can mitigate the mover weight of motor, improve the vibration frequency of motor.
Fig. 6 is mover installation diagram of the present invention, as shown, the high material of the use magnetic permeability of mover axis 5, on one end and mover
The big interference fit in the cylindrical surface of end 11, mover upper end 11 use non-magnetic stainless steel material, permanent magnet shown in fig. 5
Component arranges on mover axis, and one end is scheduled on the end face of mover upper end 11, and the other end is compressed by magnet steel pressure ring 10, magnet steel pressure
The end external screw thread cooperation of the internal screw thread and mover axis 5 of ring 10, realizes and compresses locking functions.Linear bearing is close at 501 in figure
End face, linear bearing is placed at 503, linear axis before placing at the rotating ring mounting base 19,505 of displacement sensor is placed at 504
It holds and block stamp 26 is installed by external screw thread at 23,506.
Fig. 7 is multi-functional rear support lid 13 of the invention, displacement sensor ontology 14, backhaul energy storage capsule 14, protector
Assembling schematic diagram, Fig. 7 a are two-dimensional cross section, and Fig. 7 b is three-dimensional figure, and displacement sensor ontology 17 is mounted on multi-functional rear end cap
Mandrel end, by gland 28 by screw in compression, mesoporous 1401 crosses the cable of sensor, and the hole at 1302 is that motor stator line is logical
Drilling fluid is crossed in road at 1301, and o type sealing ring is installed at 1303, and two sealings 10 of installation on protector piston 11, sealing 10 is U
Type sealing, is installed, it is ensured that No leakage under low pressure, backhaul energy storage capsule 14 are mounted on the ante-chamber of multi-functional rear support lid 13 back-to-back
It is interior, glue is installed before capsule to make 14 uniform force of backhaul energy storage capsule to absorb the kinetic energy of mover axis by the compression of gas
The backhaul kinetic energy of capsule stress lid 15, mover passes to backhaul energy storage capsule 14 by capsule stress lid 15, and capsule uses fluorubber material
Material.
Fig. 8 is anti-collision rubber block 21 of the invention, front axle pressure cap 22, preceding linear bearing 23, preceding fixing seat 24, Forward
25 assembly schematic diagram of dynamic sealing, wherein Fig. 8 a is diagrammatic cross-section, and Fig. 8 b is schematic three dimensional views, and anti-collision rubber block 21 is using resistance to
High temperature, the silicon rubber that elasticity is good have 6 counterbores above, the end face of fixing seat 24, preceding linear bearing 23 before being mounted on by screw
Using tin bronze, it is sliding bearing, on the one hand play the guiding role, be on the one hand supporting role, inner circle is bigger than the outer diameter of axis
0.01-0.02mm, the part pass through 6 sunk screws by front axle pressure cap 22 by the inner hole of fixing seat 24 before being fitted to
It is fixed and clamped in the end face of fixing seat 24, for the dynamic sealing 25 that moves forward using the mobile sealing element of different materials, outside uses mixing
The polytetrafluoroethylene material of copper powder, it is another to use tetrafluoroethene material, it is mounted in the seal groove of fixing seat 24.
In short, a kind of high-frequency percussion permanent magnet linear motor system of the invention, provides a kind of power density height, motion frequency
Height, it is high-efficient, it high-frequency percussion can use under high temperature and pressure, while motion frequency and the adjustable high efficiency straight line of motion amplitude
Electric system.
The content that description in the present invention is not described in detail belongs to the prior art well known to professional and technical personnel in the field.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of high-frequency percussion permanent magnet linear motor system, is mainly made of stator system, subsystem and mechanical system；It is special
Sign is：Stator system includes：Outer cylinder (1), inner cylinder (2), stator core (3), winding (4)；Subsystem includes：Mover axis
(5), the permanent magnet of multiple groups halbach arrangement, every group of permanent magnet includes the pole N (6), the outside dynode in magnetic field (7), the pole S (8), magnetic
Field inside dynode (9), magnet steel pressure ring (10), mover upper end (11)；Mechanical system includes：Protector piston (12), more function
It can rear support lid (13), backhaul energy storage capsule (14), capsule stress lid (15), linear bearing (16), displacement sensor ontology
(17), sensor rotating ring (18), rotating ring mounting base (19), rotating ring gland (20), anti-collision rubber block (21), front axle pressure cap
(22), preceding linear bearing (23), preceding fixing seat (24), Forward dynamic sealing (25), block stamp (26), outer cylinder (1) upper end and preceding fixation
Seat (24) interference fit, lower end and multi-functional rear support lid (13) interference fit, inner cylinder (2) upper end are solid before being mounted on by pin
In the mating surface of reservation (24), there is the sealing of twice O-ring seal in centre, and lower end is mounted on multi-functional rear support lid by pin
(13) in mating surface, there is the sealing of twice O-ring seal in centre, and there are two types of stator cores (3), one is end iron core (31),
One is intermediate iron core (32), the internal diameter cooperation of the outer diameter and inner cylinder (2) of iron core (3), winding (4) is placed on stator core (3)
Left and right between two pieces, external outlet, line outlet is drawn in parallel in the slot of inner cylinder (2), and mover axis (5) lower end passes through linear axis
It holds (16) to be mounted on the mandrel of multi-functional rear support lid (13), upper end is mounted on mover upper end (11), halbach arrangement
Permanent magnet have a multiple groups, every group by the pole N (6), the outside dynode in magnetic field (7), the pole S (8), the inside dynode in magnetic field (9) in order
It rearranges, upper end is on the end face of mover upper end (11), and lower end is compressed by magnet steel pressure ring (10) by screw thread, protector
The U-shaped sealing ring that two opposite installations are filled on piston (12), is mounted as a whole in the cylinder body of multi-functional rear support lid (13), backhaul
Energy storage capsule (14) is mounted on the ante-chamber of Multifunctional supporting lid (13), and backhaul energy storage capsule (14) one end is close to the branch after multi-functional
On the end face of support lid (13), the other end is close in capsule stress lid (15), and mover assembly just passes through magnet steel pressure ring (10) and is pressed in glue
On Nang Shouligai (15) face, displacement sensor ontology (17) is fixedly mounted on the core shaft end of Multifunctional supporting lid by interference fit
In portion hole, sensor rotating ring (18) is passed through by being slidably installed in rotating ring mounting base (19) hole by rotating ring gland (20)
Screw in compression, anti-collision rubber block (21) are mounted on preceding fixing seat (24) end face by screw, and preceding linear bearing (23) is mounted on
The inner hole of preceding fixing seat (24), the forward bearing gland of the other end (22) compress, and there are two Forwards dynamic sealing (25), solid before being mounted on
In the seal groove of reservation (24), block stamp (26) is by being threadably mounted at mover upper end (11) end.
2. a kind of high-frequency percussion permanent magnet linear motor system according to claim 1, it is characterised in that：The motor
Sub- upper magnetic steel four are that the pole N (6) is annular in one group, every group, radial magnetizing, magnetic direction by being internally pointed to outside, magnetic field to
Outer dynode (7) is annular, and axial charging, from left pointing right, the pole S (8) are annular, and radial magnetizing, magnetic direction is by outer in magnetic field
Portion is inwardly directed, and the inside dynode in magnetic field (9) is annular, and axial charging, magnetic field is left from right direction, and magnet steel is by the above-mentioned arrangement of multiple groups
Set of permanent magnets at.
3. a kind of high-frequency percussion permanent magnet linear motor system according to claim 1, it is characterised in that：The mover axis
It (5) is hollow and thin-walled structure, using permeability magnetic material, magnet steel pressure ring (10) and upper end (11) material are non-magnetic stainless steel, are returned
The internal inflated with nitrogen of journey energy storage capsule (14), material is fluorubber, and by capsule stress lid (15) absorb storage mover assembly to
On kinetic energy, kinetic energy is discharged when moving upwards.
4. a kind of high-frequency percussion permanent magnet linear motor system according to claim 1, it is characterised in that：The anticollision rubber
Blob of viscose (21) material is silicon rubber；Preceding linear bearing (23) material is tin bronze.
5. a kind of high-frequency percussion permanent magnet linear motor system according to claim 1, it is characterised in that：The stator iron
Core (3) is to split around formula structure, and it is Fe-based amorphous that its material, which occurs, in intermediate circular hole after closing.
6. a kind of high-frequency percussion permanent magnet linear motor system according to claim 1, it is characterised in that：The winding
It (4) is annular, it is in parallel after every group of outside outlet, using the high-frequency line of Inverter fed motor.
7. a kind of high-frequency percussion permanent magnet linear motor system according to claim 1, it is characterised in that：The displacement passes
Sensor ontology (17) is high frequency ultra-magnetic telescopic displacement sensor, is mounted on the mandrel end of multi-functional rear support lid (13), is passed
Sensor rotating ring (18) is mounted on mobile mover axis (5) inner hole.
8. a kind of high-frequency percussion permanent magnet linear motor system according to claim 1, it is characterised in that：The protector
For integrated form piston protector, piston (11) is tin bronze, fills the U-shaped sealing ring of two opposite installations above, all is quiet close
For envelope using double O-rings, there are two Forwards dynamic sealing (25), outermost to add tetrafluoroethene material, another use using wear-resisting copper powder
Tetrafluoroethene material.
9. a kind of high-frequency percussion permanent magnet linear motor system according to claim 1, it is characterised in that：In the motor
Portion is full of 20 to No. 30 transformer oil.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810641119.5A CN108825122B (en) | 2018-06-20 | 2018-06-20 | High-frequency impact linear permanent magnet motor system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810641119.5A CN108825122B (en) | 2018-06-20 | 2018-06-20 | High-frequency impact linear permanent magnet motor system |
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| CN108825122B CN108825122B (en) | 2019-12-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110485972A (en) * | 2019-09-09 | 2019-11-22 | 中国石油大学(华东) | A kind of exploitation of gas hydrates crushing device |
| CN110748292A (en) * | 2019-10-14 | 2020-02-04 | 潍坊学院 | Wind pressure electromagnetism combined impactor |
| CN112688530A (en) * | 2019-10-18 | 2021-04-20 | 费斯托股份两合公司 | Linear driving device |
| CN116317234A (en) * | 2023-05-22 | 2023-06-23 | 秦皇岛达则机电设备有限公司 | Parabolic magnetic yoke stator structure and magnetic axis type linear motor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240030795A1 (en) * | 2020-09-03 | 2024-01-25 | Borja Rodríguez Ríos | Induction reciprocating linear motor device |
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| CN108825122B (en) | 2019-12-27 |
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