CN209120035U - A kind of linear motor based on hybrid magnetic suspension guide rail - Google Patents
A kind of linear motor based on hybrid magnetic suspension guide rail Download PDFInfo
- Publication number
- CN209120035U CN209120035U CN201822275272.9U CN201822275272U CN209120035U CN 209120035 U CN209120035 U CN 209120035U CN 201822275272 U CN201822275272 U CN 201822275272U CN 209120035 U CN209120035 U CN 209120035U
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- magnetic suspension
- iron core
- linear motor
- guide rail
- coil
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Abstract
A kind of linear motor based on hybrid magnetic suspension guide rail, belong to universal machine technical field, by retaining rail pedestal in structure, hybrid magnetic suspension device and linear motor drive part composition, wherein magnetic suspension levitation device is by coil, permanent magnet, iron core and current vortex sensor composition, structure novel, guide rail or more is detected by current vortex sensor, the change in displacement of left and right, the data transmission that will test is to processor, processor retransmits adjustment signal to coil after calculating, adjust size of current, guide clearance is allowed to be in control range, guarantee the operating position of mix suspending device and magnetic suspension bracket, it can be used for numerically-controlled machine tool, automatic stereowarehouse, the linear motion workplace of all kinds of straight line conveyers such as assembly line, it is small with no frictional resistance, noise is low, high-speed and high-efficiency, the stable characteristic of suspension operation, structure It is more compact, it occupies little space, while reducing manufacturing cost, magnetic suspension motor performance advantage is further improved.
Description
Technical field
The utility model belongs to universal machine technical field, is related to a kind of for numerically-controlled machine tool, automatic stereowarehouse, stream
The linear motor of waterline operation particularly relates to a kind of linear motor based on hybrid magnetic suspension guide rail.
Background technique
Magnetic levitation technology has just caused the concern of extensive industry since having come out from last century, be widely used, and is especially arranging
Garage's industry achieves very big achievement, while magnetic levitation technology also extends in other industry, and ordinary motor work is because contact is former
Cause, frictional noise is big, low efficiency, bearing movable limited speed, while bring pollution also be can not ignore, from economic interests maximum
From the point of view of changing angle, because it is small with noise, environmental protection, high-efficient a series of advantage is used hybrid magnetic suspension motor by exploitation, fills
Divide to be powered using coil and generate magnetic field, self-suspending realizes even running, and suspension can be monitored in time by installing displacement monitor
Operating performance of plant, it is minimum due to rubbing, it is not required to lubricate, higher revolving speed may be implemented in motor.The untouchable magnetic suspension in part
Although device design structure is able to solve parts of traditional motor drawback problem, but since mechanism is incomplete, magnet and coil
Usage quantity is big, and the space utilized is more, increases the size of machine in this way, and the same price also can be very high, and drawback is still very big, hangs
So that operation is not stable enough, coil magnet device irrational distribution does not excavate out magnetic suspension motor advantage sufficiently for floating fluctuation
Come.
Utility model content
The purpose of this utility model is big, low efficiency, bearing movable limited speed for traditional line motor frictional noise,
Though and existing untouchable magnetic levitation system is able to solve parts of traditional motor drawback problem, lacks due to existing in structure
It falls into, magnet and coil usage quantity are big, coil magnet device irrational distribution, and the fluctuation that suspends occupies so that operation is not stable enough
The deficiencies of space is more, increases the size of device entirety, and manufacturing cost remains high propose a kind of based on hybrid magnetic suspension guide rail
Linear motor the internal structure of magnetic suspended guide linear motor is changed with solving the deficiencies in the prior art
Become, while reducing manufacturing cost, magnetic suspension motor performance advantage can further be promoted.
The technical solution of the utility model is: a kind of linear motor based on hybrid magnetic suspension guide rail, including is arranged on ground
Retaining rail pedestal on face or rack；It is characterized by: being equipped with wedge shaped projection on the inside of the retaining rail pedestal two, the wedge shape is convex
It is equipped with groove in the middle part of block, soft iron is equipped in the groove, retaining rail pedestal upper end is equipped with magnetic suspension bracket, the magnetic suspension
Bracket two sides are equipped with hollow chamber, and the lateral surface of the hollow chamber is equipped with wedge-like opening, the wedge shape on the magnetic suspension bracket
Opening forms the connection that suspends with the wedge shaped projection on the inside of retaining rail pedestal；It is all provided in the hollow chamber of magnetic suspension bracket two sides
There is hybrid magnetic suspension device, the hybrid magnetic suspension device is by interior iron core, intermediate iron core, outer iron core, first coil, the second line
Circle, tertiary coil, permanent magnet and current vortex sensor composition；The outer iron core is arranged in the hollow chamber, it is described forever
Long magnet, interior iron core and outer iron core pass through plastic stent and are connected with the inner wall of the outer iron core, the first coil winding
The upper end of the outer iron core is set, and the lower end of the outer iron core is arranged in the second coil winding, and the tertiary coil twines
Around the outside that the interior iron core is arranged in, gap is equipped between the interior iron core and the soft iron, the current vortex sensor is set
It sets in the magnetic suspension internal stent, the end face of the current vortex sensor and the lozenges of wedge shaped projection are parallel, described solid
Orbit determination pedestal inner bottom surface is equipped with stator, and the magnetic suspension cradle interior bottom surface is equipped with mover, the stator and mover be slidably connected into
The movement of row cutting magnetic induction line.
The soft iron, which is inlayed, to be fixed in the groove of wedge shaped projection.
The stator is fixed at the middle position of retaining rail pedestal, and mover is fixed at the placed in the middle of magnetic suspension bracket
Position.
C font of the outer iron core in opening, upper bottom surface and the magnetic suspension bracket wedge-like opening of outer iron core opening
Bottom surface flushes, and the upper bottom surface of outer iron core opening and the upper bottom surface of soft iron are equipped with the gap of 0.5mm.
Gap, gap width 0.5mm are equipped between the interior iron core and soft iron.
The intermediate iron core is arranged in a mutually vertical manner with interior iron core.
The end face of the current vortex sensor is parallel with the end lozenges of retaining rail pedestal, and top, which is equipped with, is used for sensor
Through-hole is used in conducting wire connection.
The utility model has the following beneficial effects: a kind of straight-line electric based on hybrid magnetic suspension guide rail provided by the utility model
Machine is made of retaining rail pedestal, hybrid magnetic suspension device and linear motor drive part in structure, and wherein magnetic suspension suspends dress
Set and be made of coil, permanent magnet, iron core and current vortex sensor, by current vortex sensor detect guide rail above and below, left and right
Change in displacement, for the data transmission that will test to processor, processor retransmits adjustment signal to coil after calculating, and adjusts electricity
Size is flowed, guide clearance is allowed to be in control range, guarantees the operating position of mix suspending device and magnetic suspension bracket, can use
In the linear motion workplace of all kinds of straight line conveyers such as numerically-controlled machine tool, automatic stereowarehouse, assembly line, with no friction
Resistance is small, noise is low, high-speed and high-efficiency, the stable characteristic of suspension operation, and structure is more compact, occupies little space, and manufactures reducing
While cost, magnetic suspension motor performance advantage is further improved.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is mix suspending apparatus structure schematic diagram in the utility model.
Fig. 3 is the vertical suspension theory structural schematic diagram of the utility model.
Fig. 4 is the utility model transverse direction suspension theory structural schematic diagram.
In figure: magnetic suspension bracket 1, current vortex sensor 2, plastic sheet 3, soft iron 4, retaining rail pedestal 5, stator 6, the second line
Circle 7, permanent magnet 8, interior iron core 9, tertiary coil 10, plastic stent 11, outer iron core 12, first coil 13, mover 14, intermediate iron
Core 15.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figs. 1-2, a kind of linear motor based on hybrid magnetic suspension guide rail, including being arranged in ground or rack
Retaining rail pedestal 5,5 liang of insides of retaining rail pedestal are equipped with wedge shaped projection, and groove is equipped in the middle part of wedge shaped projection, is equipped with soft iron in groove
4,5 upper end of retaining rail pedestal is equipped with magnetic suspension bracket 1, and 1 two sides of magnetic suspension bracket are equipped with hollow chamber, the lateral surface of hollow chamber
Equipped with wedge-like opening, the wedge shaped projection of 5 inside of wedge-like opening and retaining rail pedestal on magnetic suspension bracket 1 forms the connection that suspends；
Hybrid magnetic suspension device is equipped in the hollow chamber of 1 two sides of magnetic suspension bracket, hybrid magnetic suspension device is by interior iron core 9, centre
Iron core 15, outer iron core 12, first coil 13, the second coil 7, tertiary coil 10, permanent magnet 8 and 2 groups of current vortex sensor
At；Outer iron core 12 is arranged in hollow chamber, and permanent magnet 8, interior iron core 9 and outer iron core 12 pass through plastic stent 11 and outer iron
The inner wall of core 12 is connected, and first coil 13 winds the upper end that outer iron core 12 is arranged in, and the winding of the second coil 7 is arranged in outer iron core
12 lower end, tertiary coil 10 wind the outside that interior iron core 9 is arranged in, and gap, current vortex are equipped between interior iron core 9 and soft iron 4
Sensor 2 is arranged inside magnetic suspension bracket 1, and the end face of current vortex sensor 2 and the lozenges of wedge shaped projection are parallel, fixed
5 inner bottom surface of base of the rail seat is equipped with stator 6, and 1 inner bottom surface of magnetic suspension bracket is equipped with mover 14, and stator 6 and mover 14 are slidably connected progress
Cutting magnetic induction line movement.
As shown in Figs. 1-2, a kind of linear motor based on hybrid magnetic suspension guide rail, soft iron 4, which is inlayed, is fixed on wedge shaped projection
Groove in；Stator 6 is fixed at the middle position of retaining rail pedestal 5, and mover 14 is fixed at the residence of magnetic suspension bracket 1
Middle position；C font of the outer iron core 12 in opening, upper bottom surface and 1 wedge-like opening of magnetic suspension bracket of 12 opening of outer iron core
Bottom surface flushes, and the upper bottom surface of 12 opening of outer iron core and the upper bottom surface of soft iron 4 are equipped with the gap of 0.5mm；Interior iron core 9 with it is soft
Gap, gap width 0.5mm are equipped between iron 4；Intermediate iron core 15 is arranged in a mutually vertical manner with interior iron core 9；Current vortex sensor 2
End face it is parallel with the end lozenges of retaining rail pedestal 5, top be equipped with for sensor conductor connection uses through-hole.
As shown in Figure 2 and Figure 3, a kind of vertical suspension working principle of linear motor based on hybrid magnetic suspension guide rail is as follows:
Two magnetic circuits generated by permanent magnet, one generates clockwise magnetic circuit along 12 top half of outer iron core for permanent magnet 8,
Another is to generate magnetic circuit counterclockwise, the magnetic induction that two magnetic circuits are generated by permanent magnet 8 along 12 lower half portion of outer iron core
Intensity is identical in soft iron part size.Gap is there is no variation at A-A and B-B, i.e., under stable suspersion state when, at this time the
Two coil 7,13 electric current of first coil are zero, but due to the weight of magnetic suspension bracket 1 itself and other external interferences, up and down
Displacement changes, and when top gap increases, is fed back at this time by the current vortex sensor 2 being installed in magnetic levitation system perpendicular
Histogram to offset deviation, sensor detect this displacement signal be transformed into the second coil 7, first coil 13 control electricity
Flow i1Signal, electric current i1By the second coil 7, the generation electromagnetism magnetic flux ΔΦ of first coil 13 being centered around on outer iron core 121, shape
At Article 3 magnetic circuit, top electromagnetism magnetic flux ΔΦ1With permanent magnet flux Φ1Direction is identical, and total magnetic flux increase becomes Φ1+ΔΦ1,
Lower section electromagnetism magnetic flux and permanent magnet flux direction be not identical, and total magnetic flux reduction becomes Φ1-ΔΦ1, not due to upper and lower total magnetic flux
Together, different size of magnetic pull, i.e. F are formed1> F2, so gap reduces at A-A, magnetic suspension levitation device is integrally moved up,
It is restored in control range.When being displaced increase at the B-B of lower section, similarly.By the control for controlling the second coil 7, first coil 13
Size of current changes the magnetic flux size that magnetic circuit generates at lower in orbit, adjusts suspending power, and then restore magnetic suspension levitation device
To the initial position of electric machine support.Magnetic attraction force is as follows with flux relationship:
As shown in Figure 2, Figure 4 shows, a kind of lateral suspension working principle of linear motor based on hybrid magnetic suspension guide rail is as follows:
Permanent magnet 8 generates permanent-magnet magnetic flux phi to soft iron 42, the electric current i of tertiary coil 102It is zero, left and right gap is g0, when by outer
Boundary's interference, left and right gap shift, it is assumed that the right gap g > g0, sensor detects the variation of displacement at this time, increases magnetcisuspension
The electric current i of tertiary coil 10 in the hybrid magnetic suspension device of over draft frame both ends2, right side permanent-magnet magnetic flux phi2With electromagnetism magnetic flux Δ
Φ2Direction is identical, forms closed circuit by intermediate iron core 15, total magnetic flux becomes Φ2+ΔΦ2；Left side permanent-magnet magnetic flux
Φ2With electromagnetism magnetic flux ΔΦ2Contrary, total magnetic flux becomes Φ2-ΔΦ2, the total magnetic flux difference of the left and right sides causes
The suction at both ends is different, i.e. F3> F4, so as to cause the reduction of right side gap, it is restored to guide clearance in control range.Work as left side
When displacement increases, it is restored to guide clearance in control range by similarly reconciling.Magnetic attraction force is as follows with flux relationship:
。
Claims (7)
1. a kind of linear motor based on hybrid magnetic suspension guide rail, including the retaining rail pedestal (5) being arranged in ground or rack；
It is characterized by: (5) two inside of retaining rail pedestal is equipped with wedge shaped projection, groove is equipped in the middle part of the wedge shaped projection, it is described
Soft iron (4) are equipped in groove, retaining rail pedestal (5) upper end is equipped with magnetic suspension bracket (1), the magnetic suspension bracket (1) two
Side is equipped with hollow chamber, and the lateral surface of the hollow chamber is equipped with wedge-like opening, the wedge-like opening on the magnetic suspension bracket (1)
The connection that suspends is formed with the wedge shaped projection on the inside of retaining rail pedestal (5)；In the hollow chamber of magnetic suspension bracket (1) two sides
Equipped with hybrid magnetic suspension device, the hybrid magnetic suspension device is by interior iron core (9), intermediate iron core (15), outer iron core (12), first
Coil (13), the second coil (7), tertiary coil (10), permanent magnet (8) and current vortex sensor (2) composition；The outer iron core
(12) it is arranged in the hollow chamber, the permanent magnet (8), interior iron core (9) and outer iron core (12) pass through plastic stent
(11) it is connected with the inner wall of the outer iron core (12), first coil (13) winding is arranged in the upper of the outer iron core (12)
End, the second coil (7) winding setting are arranged in the lower end of the outer iron core (12), tertiary coil (10) winding in institute
The outside of interior iron core (9) is stated, gap, the current vortex sensor (2) are equipped between the interior iron core (9) and the soft iron (4)
Setting is internal in the magnetic suspension bracket (1), and the end face of the current vortex sensor (2) is equal with the lozenges of wedge shaped projection
Row, retaining rail pedestal (5) inner bottom surface are equipped with stator (6), and magnetic suspension bracket (1) inner bottom surface is equipped with mover (14), institute
It states stator (6) and mover (14) is slidably connected and carries out cutting magnetic induction line movement.
2. a kind of linear motor based on hybrid magnetic suspension guide rail according to claim 1, it is characterised in that: the soft iron
(4) it inlays and is fixed in the groove of wedge shaped projection.
3. a kind of linear motor based on hybrid magnetic suspension guide rail according to claim 1, it is characterised in that: the stator
(6) it is fixed at the middle position of retaining rail pedestal (5), mover (14) is fixed at the lean-with of magnetic suspension bracket (1)
It sets.
4. a kind of linear motor based on hybrid magnetic suspension guide rail according to claim 1, it is characterised in that: the outer iron
For core (12) in the C font of opening, the upper bottom surface of outer iron core (12) opening and the bottom surface of magnetic suspension bracket (1) wedge-like opening are neat
Flat, the upper bottom surface of outer iron core (12) opening and the upper bottom surface of soft iron (4) are equipped with the gap of 0.5mm.
5. a kind of linear motor based on hybrid magnetic suspension guide rail according to claim 1, it is characterised in that: the interior iron
Gap, gap width 0.5mm are equipped between core (9) and soft iron (4).
6. a kind of linear motor based on hybrid magnetic suspension guide rail according to claim 1, it is characterised in that: the centre
Iron core (15) is arranged in a mutually vertical manner with interior iron core (9).
7. a kind of linear motor based on hybrid magnetic suspension guide rail according to claim 1, it is characterised in that: the electricity whirlpool
The end face of flow sensor (2) is parallel with the end lozenges of retaining rail pedestal (5), and top is equipped with to be used for sensor conductor connection
Through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822275272.9U CN209120035U (en) | 2018-12-29 | 2018-12-29 | A kind of linear motor based on hybrid magnetic suspension guide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822275272.9U CN209120035U (en) | 2018-12-29 | 2018-12-29 | A kind of linear motor based on hybrid magnetic suspension guide rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209120035U true CN209120035U (en) | 2019-07-16 |
Family
ID=67209042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822275272.9U Withdrawn - After Issue CN209120035U (en) | 2018-12-29 | 2018-12-29 | A kind of linear motor based on hybrid magnetic suspension guide rail |
Country Status (1)
| Country | Link |
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| CN (1) | CN209120035U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412376A (en) * | 2018-12-29 | 2019-03-01 | 扬州大学 | A kind of linear motor based on hybrid magnetic suspension guide rail |
| CN112193080A (en) * | 2020-10-14 | 2021-01-08 | 中车株洲电力机车有限公司 | Attitude detection system, attitude detection method, computer device, and storage medium |
| CN113526011A (en) * | 2021-07-22 | 2021-10-22 | 江西理工大学 | Low-energy-consumption logistics permanent magnet conveyor belt |
-
2018
- 2018-12-29 CN CN201822275272.9U patent/CN209120035U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412376A (en) * | 2018-12-29 | 2019-03-01 | 扬州大学 | A kind of linear motor based on hybrid magnetic suspension guide rail |
| CN109412376B (en) * | 2018-12-29 | 2023-10-17 | 扬州大学 | Linear motor based on hybrid magnetic levitation guide rail |
| CN112193080A (en) * | 2020-10-14 | 2021-01-08 | 中车株洲电力机车有限公司 | Attitude detection system, attitude detection method, computer device, and storage medium |
| CN112193080B (en) * | 2020-10-14 | 2021-12-17 | 中车株洲电力机车有限公司 | Attitude detection system, attitude detection method, computer device, and storage medium |
| CN113526011A (en) * | 2021-07-22 | 2021-10-22 | 江西理工大学 | Low-energy-consumption logistics permanent magnet conveyor belt |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190716 Effective date of abandoning: 20231017 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190716 Effective date of abandoning: 20231017 |