CN105150795B - A kind of magnetic levitation balanced axle system - Google Patents
A kind of magnetic levitation balanced axle system Download PDFInfo
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- CN105150795B CN105150795B CN201510652250.8A CN201510652250A CN105150795B CN 105150795 B CN105150795 B CN 105150795B CN 201510652250 A CN201510652250 A CN 201510652250A CN 105150795 B CN105150795 B CN 105150795B
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- balance shaft
- balance
- magnetic field
- radial
- sleeve
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Abstract
The invention discloses a kind of magnetic levitation balanced axle system, it is characterized in that：It is integral type structure with balance shaft mandrel to set balance shaft housing, so as to form new-type balance shaft housing；So that two kinds of position relationships can be formed between new-type balance shaft housing, balance shaft support and balance sleeve；One control system is set；And the parts with balance shaft sheath body two ends are connected respectively.The present invention can change connection and the kind of drive between each parts, balance shaft system is had higher adaptability, improve its stressing conditions, so as to increase reliability of structure and service life.
Description
Technical field
The invention belongs to balancing suspension system, and in particular to a kind of balance shaft of heavy truck system.
Background technology
In multi-axle heavy type automobile, in order to ensure in the process of running, all tire contacts ground simultaneously, all employs flat
Weigh axle system, and its power transmittance process is in the course of work：Balance shaft housing → angular contact ball spherical bearing or axle sleeve → balance shaft mandrel
→ balance shaft support, because condition of work is severe, radial load is big, it is desirable to which the system has higher reliability, each parts
With larger intensity, simultaneously because load change is fast in the course of work, and amplitude is big, it is desirable to which structure has higher fatigue strong
Degree.
Magnetic levitation technology comparative maturity now, has application in many industries, but in the use of balancing suspension system
It is also to be studied in.
Existing balance shaft system has a various structures, but they it is common the characteristics of be all structure using fully mechanical, lead to
Crossing dependency structure allows balance shaft housing to be rotated around mandrel, there is relative sliding friction surface in structure, and surface is easy to wear, and
Stress intensity big structure is complicated, and related components easily occur axial float, easily make the bolt for retainer of balance shaft end
Loosen, or even fracture, easily cause the failures such as structure breaking.Simultaneously because contact area is big, material to opposite sliding surfaces and
Surface roughness requirements are high, and processing and manufacturing difficulty is big, and greasy property and sealing structure performance requirement are higher.For existing each
Different balance shaft systems are planted, according to the difference of application scenario, there is the unreasonable part of its stress.
The size of existing balance shaft system intermediate gap is given by the experience of designer, and gap is too small sometimes, and structure is easy
It is stuck, and in the course of the work due to abrasion, gap is constantly changing, and is that the vibration of automobile introduces uncontrollable factor.
The content of the invention
The present invention is in view of the deficienciess of the prior art, propose a kind of magnetic levitation balanced axle system, to change respectively
Connection and the kind of drive between parts, make balance shaft system have higher adaptability, improve its stressing conditions, so as to increase
Reliability of structure and service life.
The present invention adopts the following technical scheme that to solve technical problem：
A kind of magnetic levitation balanced axle system of the present invention, including left side structure and right side structure, and pass through centre connection
Axle is attached；The left side structure and right side structure are symmetrical structure；Any of which side portion structure includes：Balance shaft
Shell, balance shaft mandrel and balance shaft support；The side of the balance shaft mandrel is set with the balance shaft housing；Opposite side is set with
The balance shaft support；It is structurally characterized in that：
It is integral type structure with the balance shaft mandrel to set balance shaft housing, so as to form new-type balance shaft housing；Described
The cylindrical end of new-type balance shaft housing is set with balance sleeve；And the balance shaft support is set with the balance sleeve；From
And cause energy forming position relation one or position between the new-type balance shaft housing, the balance shaft support and the balance sleeve
Relation two；
The position relationship one is：
There is radial clearance and axial gap between the new-type balance shaft housing and the balance sleeve；And the balance shaft
It is to be relatively fixed between support and the balance sleeve；The radial clearance causes the new-type balance shaft housing and the balance shaft
Can diametrically it be floated between set；The axial gap causes between the new-type balance shaft housing and the balance shaft axle sleeve axially
Without relative contact；
The position relationship two is：
There is radial clearance and axial gap between the balance shaft support and the balance shaft axle sleeve；And it is described new-type flat
It is to be relatively fixed between weighing apparatus axle housing and the balance shaft support；The radial clearance causes the balance shaft support and the balance
Radially can Relative Floating between axle axle sleeve；The axial gap causes the countershaft of the balance shaft support and the balance shaft axle sleeve
To without relative contact；
The balance sleeve includes：Parts and balance sleeve shell；
The parts have been respectively uniformly distributed on the both sides end face of the balance shaft sheath body；The parts include：
Axial magnetic field generating means, radial magnetic field generating means, axial distance sensor and radial distance sensor；
One control system is set；
Parts of the control system respectively with the balance shaft sheath body two ends are connected, for obtaining the axial distance
The axial gap signal of sensor, and the radial distance sensor radial clearance signal；And control the axial magnetic field
The magnetic field of generating means is strong and weak, and the magnetic field of the radial magnetic field generating means is strong and weak.
The design feature of magnetic levitation balanced axle system of the present invention is lain also in：
The axial magnetic field generating means is made up of the first iron core and first coil, and the first coil is wound in described
On one iron core, so as to produce axial magnetic field.
The radial magnetic field generating means is made up of the second iron core and the second coil, and second coil is wound in described
On two iron cores, for producing radial magnetic field；The inner face of second iron core is cylindrical surface structure, and circular arc and the institute of inner face
The cylindrical end for stating balance shaft housing is concentric.
In the position relationship one, the radial magnetic field generating means be evenly distributed on the balance shaft housing axis with
Under end face on；In the position relationship two, the radial magnetic field generating means is evenly distributed on the balance sleeve columella
On end face more than line；
Two radial magnetic field generating means are provided with the end face of the balance shaft sheath body；And described two radial magnetic fields
Generating means is symmetrical relative to the vertical plane where the axis of the balance shaft sheath body；Any one radial magnetic field generating means
Angle with the vertical plane where the axis is α, magnetic field is adjusted with the angle α strong and weak.
Sealing device is provided between the balance shaft support and the balance shaft housing, with sealing device formation institute
State the two ends sealing structure of balance shaft axle sleeve.
The control system controls magnetic field strong and weak by control electric current power, so as to realize the balance shaft housing at each
Suspension on direction.
Compared with prior art, advantageous effects of the invention are embodied in：
1st, magnetic levitation technology is applied in balance shaft system by the present invention, has been expanded the application of magnetic levitation technology, has been enriched
The structure of balance shaft system, makes the selection of engineering staff more diversified.
2nd, radial and axial power is transmitted by magnetic force in the present invention, is not rely on the contact between piece surface, makes power
Piece surface can be uniformly distributed in, so that structure stress is more reasonable, stress concentration is reduced, it is possible to increase system
Reliability.
3rd, relatively rotated in the present invention between surface without contact, without considering friction, abrasion in the middle of part, to zero
The processing request on part surface is not high, and improves service life, while being not in make structure stuck because gap is too small
Situation.
4th, because the application of magnetic levitation technology is greatly simplified the structure of balance shaft system in the present invention, many structures
Can as integral type structure, make structure compacter, while also allowing for carrying out analysis optimization and light-weight design to structure.
5th, the present invention lubricates without considering, sealing property requires also not high.
6th, the present invention can realize the active control to balance shaft system by magnetic suspension system, can by related control strategies
The control to vehicle vibration mode is realized, so as to be that automobile ride research and vehicle body damping provide new research method.
Brief description of the drawings
Fig. 1 is overall structure figure of the invention；
Fig. 2 is the axle sleeve of the present invention and the structure chart of associated components；
Fig. 3 is the axle sleeve of the present invention and the end face figure of associated components；
Fig. 4 is the structure chart of the radial magnetic field generating means of the present invention；
Sequence number in figure：1 Novel balance axle housing；2 balance shaft supports；3 balance sleeves；4 axial magnetic field generating means；5 sealings
Circle；6 radial magnetic field generating means；7 intermediate connecting shafts；8 radial magnetic field generating means iron cores；9 radial magnetic field generating means coils；
10 axial distance sensors；11 axial magnetic field generating means iron cores；12 axial magnetic field generating means coils；13 balance shaft sheath bodies；
14 radial distance sensors.
Embodiment
In the present embodiment, as shown in figure 1, a kind of magnetic levitation balanced axle system, including left side structure and right side structure,
And be attached by intermediate connecting shaft 7；Left side structure and right side structure are symmetrical structure, the left and right of intermediate connecting shaft 7
Two ends are connected with the balance shaft support 2a of left side and the balance shaft support 2b of right side respectively, and tie point is located at two balances respectively
At the bottom hole of bracing strut；Below by taking any of which side portion structure as an example, to introduce the operation principle of this balance shaft system；Wherein
Any side portion structure includes：Balance shaft housing, balance shaft mandrel and balance shaft support 2；The side of balance shaft mandrel is set with balance
Axle housing；Opposite side is set with balance shaft support；
It is integral type structure with balance shaft mandrel to set balance shaft housing, so as to form new-type balance shaft housing 1；In new-type balance
The cylindrical end of axle housing 1 is set with balance sleeve 3；And balance shaft support 2 is set with balance sleeve 3, set holding position is balance
At the upper hole of bracing strut 2；So that can forming position between new-type balance shaft housing 1, balance shaft support 2 and balance sleeve 3
Relation one or position relationship two；
Position relationship one is：
There is radial clearance and axial gap between new-type balance shaft housing 1 and balance sleeve 3；And balance shaft support 2 is with putting down
It is to be relatively fixed between weighing apparatus axle sleeve 3；Radial clearance diametrically float between new-type balance shaft housing 1 and balance sleeve 3；
Axial gap axially to contact without relative between new-type balance shaft housing 1 and balance shaft axle sleeve 3；So it is achieved that new-type balance
Frictionless contact between axle sleeve 1 and balance sleeve 3.
Position relationship two is：
There is radial clearance and axial gap between balance shaft support 2 and balance shaft axle sleeve 3；And new-type balance shaft housing 1 with
It is to be relatively fixed between balance shaft support 2；Radial clearance causes can be diametrically between balance shaft support 2 and balance shaft axle sleeve 3
Float；Axial gap axially to contact without relative between balance shaft support 2 and balance shaft axle sleeve 3；So it is achieved that balance
Frictionless contact between axle sleeve 3 and balance shaft axle sleeve 3.
Balance sleeve 3 is bilateral symmetry, and its structure includes：Related components peace for realizing magnetic suspension function
Weigh axle sleeve shell 13；
The correlation zero for realizing magnetic suspension function is respectively uniformly distributed on the both sides end face of balance shaft sheath body 13
Part；The two sides of balance shaft sheath body 13 are distributed provided with hole slot structure, for installing parts；Parts include：Axial magnetic field
Generating means 4, radial magnetic field generating means 6, axial distance sensor 10 and radial distance sensor 14；In order that structure is tight
Gather, conveniently realize function, and stressing conditions are preferably, related components can be according to being arranged exemplified by Fig. 2 modes, i.e., magnetic field occurs
Device 4, axial distance sensor 10 and radial distance sensor 14 can be respectively 4, be uniformly distributed in the end of balance shaft sheath body 13
Face, and be spaced from each other；
One control system is set；
Parts of the control system respectively with the two ends of balance shaft sheath body 13 are connected, for obtaining axial distance sensor 10
Axial gap signal, and radial distance sensor 14 radial clearance signal；And control the magnetic field of axial field generator for magnetic 4
Power, and the magnetic field of radial magnetic field generating means 6 are strong and weak；So as to changing magnetic force size, and outer dynamic balance, so as to realize and be
The dynamic equilibrium of system in the course of the work.
Axial magnetic field generating means 4 is made up of the first iron core 11 and first coil 12, and first coil 12 is wound in the first iron
On core 11, so as to produce the axial magnetic field of needs.
Radial magnetic field generating means 6 is made up of the second iron core 8 and the second coil 9, and the second coil 9 is wound in the second iron core 8
On, for producing the radial magnetic field needed；The inner face of second iron core 8 be cylindrical surface structure, and the circular arc of inner face with it is new
The cylindrical end of balance shaft housing 1 is concentric；So as to ensure that the magnetic force suffered by Novel balance axle housing 1, by the center of circle, is easy to the control of structure
System, it is ensured that stable movement, its structure is as shown in Figure 4.
In position relationship one, radial magnetic field generating means 6 is evenly distributed on the end face below the axis of balance shaft sheath body 13
On；In position relationship two, radial magnetic field generating means 6 is evenly distributed on the end face more than axis of balance shaft sheath body 13；
As shown in figure 3, being provided with two radial magnetic field generating means 6 on the end face of balance shaft sheath body 13；And two footpaths
To field generator for magnetic 6 relative to the vertical plane where the axis of balance shaft sheath body 13 to be symmetrical；Any one radial magnetic field is sent out
The angle of generating apparatus and the vertical plane where axis is α, magnetic field is adjusted with angle α strong and weak.By taking position relationship 1 as an example, two footpaths
It is located to field generator for magnetic 6 below the axis of balance shaft sheath body 13 and is relative to the vertical plane where the axis of balance shaft sheath body 13
Claim distribution, if α value is strong and weak in control magnetic field, in external force and magnetic field force is reached dynamic equilibrium, play key effect.
Sealing device 5 is provided between balance shaft support 2 and balance shaft housing 1, with the formation balance shaft axle sleeve of sealing device 5
3 two ends sealing structure.
Control system controls magnetic field strong and weak by control electric current power, so as to realize balance shaft housing 1 in all directions
Suspension.
By taking position relationship one as an example, the whole balance shaft system course of work is as follows：
Upon power-up of the system, the outermost end of balance shaft housing 1 is made the cylindrical end of balance shaft housing 1 with putting down by power straight up
Radial clearance between weighing apparatus axle sleeve 3 reduces, the constantly monitoring gap length of radial distance sensor 14, when gap reaches setting value
When, control system controls size of current in magnetic field generator 6, magnetic field is produced the magnetic force opposite with active force, reduces gap
Speed slows down, when magnetic force is more than active force, gap increase, but another side clearance reduces, when another side clearance is reduced to setting
During value, change size of current, magnetic field force is less than external force, so as to change gap, so circulation finally makes system reach that dynamic is flat
Weighing apparatus.If external force is disturbed change size after system dynamic equilibrium, so that gap length changes, according to same principle control
System makes system reach new balance by adjusting electric current.When system axial stress, according to same principle, adjustment axis can be passed through
The size of current into magnetic field generator 4, balances system axial, and two relative turning end faces are contactless.
Claims (7)
1. a kind of magnetic levitation balanced axle system, including left side structure and right side structure, and carried out by intermediate connecting shaft (7)
Connection；The left side structure and right side structure are symmetrical structure；Any of which side portion structure includes：Balance shaft housing, balance
Shaft core axle and balance shaft support (2)；The side of the balance shaft mandrel is set with the balance shaft housing；Opposite side is set with described
Balance shaft support；It is characterized in that：
It is integral type structure with the balance shaft mandrel to set balance shaft housing, so as to form new-type balance shaft housing (1)；Described new
The cylindrical end of formula balance shaft housing (1) is set with balance sleeve (3)；And it is set with the balance shaft on the balance sleeve (3)
Support (2)；So that energy between the new-type balance shaft housing (1), the balance shaft support (2) and the balance sleeve (3)
Forming position relation one or position relationship two；
The position relationship one is：
There is radial clearance and axial gap between the new-type balance shaft housing (1) and the balance sleeve (3)；And the balance
It is to be relatively fixed between bracing strut (2) and the balance sleeve (3)；The radial clearance causes the new-type balance shaft housing (1)
Can diametrically it be floated between the balance sleeve (3)；The axial gap cause the new-type balance shaft housing (1) with it is described
Axially without relative contact between balance shaft axle sleeve (3)；
The position relationship two is：
There is radial clearance and axial gap between the balance shaft support (2) and the balance shaft axle sleeve (3)；And it is described new-type
It is to be relatively fixed between balance shaft housing (1) and the balance shaft support (2)；The radial clearance causes the balance shaft support
(2) radially can Relative Floating between the balance shaft axle sleeve (3)；The axial gap cause the balance shaft support (2) with
Axially without relative contact between the balance shaft axle sleeve (3)；
The balance sleeve (3) includes：Parts and balance sleeve shell (13)；
The parts have been respectively uniformly distributed on the both sides end face of the balance shaft sheath body (13)；The parts include：
Axial magnetic field generating means (4), radial magnetic field generating means (6), axial distance sensor (10) and radial distance sensor
(14)；
One control system is set；
Parts of the control system respectively with balance shaft sheath body (13) two ends are connected, for obtaining the axial distance
The axial gap signal of sensor (10), and the radial distance sensor (14) radial clearance signal；And control described
The magnetic field of axial magnetic field generating means (4) is strong and weak, and the magnetic field of the radial magnetic field generating means (6) is strong and weak.
2. magnetic levitation balanced axle system according to claim 1, it is characterized in that：The axial magnetic field generating means (4) by
First iron core (11) and first coil (12) composition, the first coil (12) are wound on first iron core (11), so that
Produce axial magnetic field.
3. magnetic levitation balanced axle system according to claim 1, it is characterized in that：The radial magnetic field generating means (6) by
Second iron core (8) and the second coil (9) composition, second coil (9) is wound on second iron core (8), for producing
Radial magnetic field；The inner face of second iron core (8) is cylindrical surface structure, and the circular arc of inner face and the balance shaft housing (1)
Cylindrical end it is concentric.
4. magnetic levitation balanced axle system according to claim 1, it is characterized in that：In the position relationship one, the footpath
It is evenly distributed on to field generator for magnetic (6) on the end face below balance shaft sheath body (13) axis；In the position relationship
In two, the radial magnetic field generating means (6) is evenly distributed on end face more than balance shaft sheath body (13) axis.
5. magnetic levitation balanced axle system according to claim 4, it is characterized in that：In the end face of the balance shaft sheath body (13)
On be provided with two radial magnetic field generating means (6)；And described two radial magnetic field generating means (6) are relative to the balance shaft
Vertical plane where the axis of sheath body (13) is symmetrical；Any one radial magnetic field generating means and the vertical plane where the axis
Angle be α, magnetic field is adjusted with the angle α strong and weak.
6. magnetic levitation balanced axle system according to claim 1, it is characterized in that：The balance shaft support (2) with it is described
Sealing device (5) is provided between balance shaft housing (1), with the two ends of the sealing device (5) the formation balance shaft axle sleeve (3)
Sealing structure.
7. magnetic levitation balanced axle system according to claim 1, it is characterized in that：The control system is strong by control electric current
It is weak to control the magnetic field strong and weak, so as to realize the suspension of the balance shaft housing (1) in all directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510652250.8A CN105150795B (en) | 2015-10-08 | 2015-10-08 | A kind of magnetic levitation balanced axle system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510652250.8A CN105150795B (en) | 2015-10-08 | 2015-10-08 | A kind of magnetic levitation balanced axle system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105150795A CN105150795A (en) | 2015-12-16 |
| CN105150795B true CN105150795B (en) | 2017-09-22 |
Family
ID=54791968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510652250.8A Expired - Fee Related CN105150795B (en) | 2015-10-08 | 2015-10-08 | A kind of magnetic levitation balanced axle system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105150795B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271366B (en) * | 2019-05-20 | 2024-03-29 | 南京航空航天大学 | Active magnetic suspension wheel |
| CN111442051A (en) * | 2020-04-24 | 2020-07-24 | 中国舰船研究设计中心 | Active thrust balance type shafting longitudinal vibration damper |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4033606A (en) * | 1975-08-06 | 1977-07-05 | Reyco Industries, Inc. | Vehicle tandem suspensions |
| CN100510444C (en) * | 2007-10-16 | 2009-07-08 | 上海大学 | Intelligent magnetic bearing |
| CN104553667A (en) * | 2013-10-22 | 2015-04-29 | 星源(十堰)悬架有限公司 | Balance shaft assembly |
| CN104533945B (en) * | 2015-01-05 | 2017-10-31 | 山东大学 | One kind realizes rotor five-degree magnetic suspension structure by axial mixed magnetic bearing |
| CN204955999U (en) * | 2015-10-08 | 2016-01-13 | 合肥工业大学 | Balanced shafting of magnetic suspension all |
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2015
- 2015-10-08 CN CN201510652250.8A patent/CN105150795B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
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| CN105150795A (en) | 2015-12-16 |
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