CN209278389U - A kind of revolving type magnetic rheologic damper - Google Patents
A kind of revolving type magnetic rheologic damper Download PDFInfo
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- CN209278389U CN209278389U CN201821650822.4U CN201821650822U CN209278389U CN 209278389 U CN209278389 U CN 209278389U CN 201821650822 U CN201821650822 U CN 201821650822U CN 209278389 U CN209278389 U CN 209278389U
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Abstract
A kind of revolving type magnetic rheologic damper, including rotor, rotor are connected by key on transmission shaft, rotor along transmission shafts to section be using transmission shaft as the axial symmetry section of symmetry axis, and formed axial symmetry section unilateral section be i shaped cross section；Drive end bearing bracket and rear end cap is respectively set in the front and back sides of rotor, and drive end bearing bracket, rear end cap are fixed together to form stator；The drive end bearing bracket and rear end cap are along transmission shafts to distribution；Preceding magnet exciting coil and rear magnet exciting coil are wound in drive end bearing bracket and rear end cap respectively, magnetism-isolating loop before being arranged between drive end bearing bracket and the leading flank of rotor, magnetism-isolating loop after being arranged between rear end cap and the trailing flank of rotor.The utility model rotor profiles are axial symmetry section, unilateral side is i shaped cross section, combine the design feature of disc type and cylindrical structure damper, working region section has T-type structure, make damper that there are multiple working regions, in the case where not increasing rotor volume, working rotor area is increased effectively, and reduces the rotary inertia of rotor.
Description
Technical field
The utility model relates to damping devices, and in particular to the device of rotary damping torque be generated using magnetorheological fluid, especially
It is related to a kind of revolving type magnetic rheologic damper.
Background technique
Currently, MR damper is divided from the structure type of rotor can be divided into disc type and two kinds of drum type brake, just from
For the damping torque for obtaining same size, for disk structure damper using the end face of rotor as working face, radial dimension is inclined
Greatly；For cylindrical structure using periphery as working face, axial dimension is bigger than normal.Working rotor area size is to influence magnetorheological damping
The principal element of device performance and practicability, and live part accounts for smaller on common two kinds of rotor structure working faces, working face is not
It can make full use of, rotor inertia is larger, and it is less than normal to generate moment capacity.The damper of multi-disc type structure is also been developed as a result, but
It is which increase magnetic resistance, operating current increase is larger, and energy consumption is big.And structure is complicated for rotor portion, heat is not easy to distribute.
Due to the material composition feature of magnetorheological fluid, i.e. much bigger than carrier fluid density of density of magnetic particles, damper is put
It sets a period of time, internal magnetorheological fluid will appear settlement issues, and magnetic-particle can be combined into bulk, magnetic after settling
Rheology performance degradation.MR damper magnetorheological fluid sedimentation problem is not solved effectively yet, equally constrains the practicality
And popularization and application, it is therefore necessary to solve the problems, such as its anti-settling.
Utility model content
Based on the deficiencies of the prior art, the utility model provide a kind of outer dimension is small, rotor inertia is small, generate damping force
Square is larger, less energy-consuming, and the rotary magnetic rheological liquid damper with certain anti-settling ability.
The utility model uses following technical scheme:
A kind of revolving type magnetic rheologic damper, including rotor, rotor are connected by key on transmission shaft, and rotor is along transmission shaft
Axial section is using transmission shaft as the axial symmetry section of symmetry axis, and the unilateral section for forming axial symmetry section is I-shaped section
Face；
Drive end bearing bracket and rear end cap is respectively set in the front and back sides of rotor, and drive end bearing bracket, rear end cap are fixed together to form stator；
The drive end bearing bracket and rear end cap are along transmission shafts to distribution；
Wind preceding magnet exciting coil and rear magnet exciting coil in drive end bearing bracket and rear end cap respectively, the leading flank of drive end bearing bracket and rotor it
Between be arranged before magnetism-isolating loop, between rear end cap and the trailing flank of rotor be arranged after magnetism-isolating loop.
The rotor has the outer toroid and interior annular for forming axial symmetry section, passes through middle rib between outer toroid and interior annular
Plate connection, transmission shaft pass through interior annular.
Preceding magnet exciting coil and rear magnet exciting coil are wound in respectively in the drive end bearing bracket and rear end cap of rotor outer circle ring side.
Sealing ring is provided between the side and drive end bearing bracket and rear end cap of the rotor outer circle ring.
The preceding magnetism-isolating loop and rear magnetism-isolating loop be located at the middle floor of rotor two sides or positioned at rotor interior annular and in
The two sides of floor, and there is set distance between the medial surface of the outer edge and rotor outer circle ring of preceding magnetism-isolating loop and rear magnetism-isolating loop.
Axial setting no less than one band of protrusions of the outer lateral edge transmission shaft of the rotor outer circle ring.
Bearing and sealing ring are provided on transmission shaft between the rotor and drive end bearing bracket and rear end cap.
Shell is arranged in the external of the rotor, and drive end bearing bracket, rear end cap, shell are fixed together to form stator.
Top cover is arranged in the top of the shell, and the both ends of top cover are fixedly connected with drive end bearing bracket and rear end cap respectively.
Liquid injection hole and lower liquid injection hole are respectively arranged at the top and bottom of the shell.
The utility model has the beneficial effects that
1. rotor profiles are axial symmetry section, unilateral side is i shaped cross section, combines disc type and cylindrical structure damping
The design feature of device, working region section have T-type structure, so that damper is had multiple working regions, are not increasing rotor block
In the case where product, working rotor area is increased effectively, and reduces the rotary inertia of rotor.
2. the structure and location arrangements of magnetism-isolating loop can optimize magnetic line of force trend, the magnetic line of force made to be concentrated through working radius
Biggish region makes working region concentrate on the biggish region of damping radius, and working region distribution is more reasonable, is conducive to be promoted
The damping torque of damper.
3. several circumferential band of protrusions are arranged in cylinder outside rotor outer circle ring, damper does not use for a long time
When, magnetorheological fluid can be stirred in advance, damper performance is influenced to have preferably on magnetorheological fluid sedimentation problem is improved
Effect.
Detailed description of the invention
Fig. 1 is that the master of the utility model revolving type magnetic rheologic damper embodiment cuts open structural schematic diagram.
Fig. 2 is the left view structural representation of the utility model revolving type magnetic rheologic damper embodiment.
Fig. 3 is that the magnetic line of force of the utility model revolving type magnetic rheologic damper embodiment moves towards schematic diagram.
Fig. 4 is the rotor structure left view of the utility model revolving type magnetic rheologic damper embodiment.
In figure: 1- rotor；2- drive end bearing bracket；3- transmission shaft；Magnetism-isolating loop before 4-；Magnet exciting coil before 5-；6- sealing ring；It is infused on 7-
Fluid apertures；8- aerospace connectors；9- top cover；Magnet exciting coil after 10-；Magnetism-isolating loop after 11-；12- bearing；13- sealing ring；The rear end 14-
Lid；15- shell；Liquid injection hole under 16-, 17- band of protrusions.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
The utility model provides a kind of revolving type magnetic rheologic damper, including rotor 1, and the middle part of rotor 1 is connected by key
On transmission shaft 3, as shown in Figure 1 and Figure 4, the rotor 1 of the utility model may be configured as the structure of outer toroid and interior annular, outer circle
It is connected between the medial surface of ring and the lateral surface of interior annular by middle floor, after transmission shaft 3 passes through interior annular, is keyed inner circle
Ring, the section axial along transmission shaft 3 are set as principal section, and principal section is axial symmetry section, and by interior annular, outer toroid and in
Floor forms two symmetrical i shaped cross sections.
Two sides of the rotor 1 along 3 axial direction of transmission shaft are set as the leading flank of rotor 1 and trailing flank, then rotor 1
Front and back sides be respectively set drive end bearing bracket 2 and rear end cap 14, i.e., drive end bearing bracket 2 and rear end cap 14 are along the axial distribution of transmission shaft 3；Rotor
1 outside also sets up shell 15, and drive end bearing bracket 2, rear end cap 14, shell 15 are fixed together to form stator.
Along axial setting no less than one band of protrusions 15 of transmission shaft 3 outside the cylinder of 1 outer toroid of rotor, such as Fig. 4 institute
Show, is set as equally distributed three, band of protrusions cross sectional shape is that circular arc corner is trapezoidal, and height may be configured as 0.3mm, damping
When not in use for a long time, band of protrusions can stir magnetorheological fluid device in advance, have certain effect to damper performance is promoted
Fruit.
0 type sealing ring 6 is provided between the side and drive end bearing bracket 2 and rear end cap 14 of 1 outer toroid of rotor.Rotor 1 is with before
Bearing 12 and sealing ring 13 are provided on transmission shaft 3 between end cap 2 and rear end cap 14, sealing ring 13 is arranged in 12 side of bearing
Portion, Bearing outer are closed by bearing cap.
As depicted in figs. 1 and 2, shell 15 top be arranged top cover 9, the both ends of top cover 9 respectively with drive end bearing bracket 2 and rear end
Lid 14 is fixedly connected.The top and bottom of shell 15 are respectively arranged with liquid injection hole 7 and lower liquid injection hole 16, and magnetorheological fluid can be adopted
It is injected with bottom, gas vent of the upper liquid injection hole 7 as lower part when filling, is sealed respectively with screw and rubber sheet gasket after the completion of fluid injection
It is stifled.
Preceding magnet exciting coil 5 and rear magnet exciting coil 10, drive end bearing bracket 2 and rotor 1 are wound in drive end bearing bracket 2 and rear end cap 14 respectively
Magnetism-isolating loop 4 before being arranged between leading flank, magnetism-isolating loop 11 after being arranged between rear end cap 14 and the trailing flank of rotor 1.
As shown in figures 1 and 3, before preceding magnet exciting coil 5 and rear magnet exciting coil 10 are wound in 1 outer toroid side of rotor respectively
In end cap 2 and rear end cap 14.
And preceding magnetism-isolating loop 4 and rear magnetism-isolating loop 11 be located at the middle floor of rotor 1 two sides or positioned at rotor 1 interior annular and
The two sides of middle floor, the position close to transmission shaft 3, and the outer toroid of the outside of preceding magnetism-isolating loop 4 and rear magnetism-isolating loop 11 and rotor 1
There is set distance, which can be according to needing to be arranged, so that rotor 1 does not wind magnetism-isolating loop and can make between inside
The section for the working region part that the magnetic line of force that magnet exciting coil generates passes through has T-type structure, i.e., knot as shown in figures 1 and 3
Structure.As shown in figures 1 and 3, it in the utility model, after magnetism-isolating loop passes through transmission shaft, is fixed on rotor 1, the shape of magnetism-isolating loop
It is adapted to the shape picture of 1 side of rotor.
Since the section of the 1 working region part of rotor of the utility model has T-type structure, so that the utility model damps
Device shares 4 groups of effective working faces in half-sectional region: the outer toroid of rotor 1 and middle floor are not had by magnetism-isolating loop every the region of magnetic
The magnetic line of force passes through, and from the point of view of the magnetic line of force moves towards schematic diagram 3, in the side of transmission shaft 3, the region that the magnetic line of force passes through is a T-type area
Domain, the half-sectional region on principal section produce 4 groups of working faces, respectively in rotor 1 floor not by magnetism-isolating loop every magnetic flank
The end face face d, 1 face inner peripheral surface c of rotor, the end face face b and the face outer circumference surface a.The design is reducing 1 volume of rotor, inertia
In the case where, improve effective work area of rotor.
In the utility model damper, preceding magnetism-isolating loop 4 is placed between drive end bearing bracket 2 and rotor 1, and rear magnetism-isolating loop 11 is placed in
Between rear end cap 14 and rotor 1, most magnetic lines of force is made to be concentrated through T-type region of the rotor 1 far from 3 center line of transmission shaft.
The magnetic force line loop that wherein preceding magnet exciting coil generates include: drive end bearing bracket 2- drive end bearing bracket 2 and 1 gap of rotor-rotor 1 the end face face b,
The cylindrical surface face c and the flank end face face d-rotor 1 face external cylindrical surface a -1 outside cylinder face outer circumference surface a of rotor and housing slot-shell
15- drive end bearing bracket 2；The magnetic force line loop that magnet exciting coil generates afterwards are as follows: 13 → rear end cap of rear end cap 13 and 1 gap of rotor → rotor 1
The end face face b, the cylindrical surface face c and the flank end face face d → rotor 1 face outer circumference surface a → 1 face outer circumference surface a of rotor and housing slot
15 → rear end cap of → shell 13.
In the description of this specification, particular features, structures, materials, or characteristics can be real in any one or more
Applying can be combined in any suitable manner in example or example.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art the variation that can readily occur in or is replaced in the range of the utility model discloses
It changes, should all cover within the protection scope of the present utility model.
Claims (10)
1. a kind of revolving type magnetic rheologic damper, it is characterised in that:
Including rotor (1), rotor (1) is connected by key on transmission shaft (3), and rotor (1) is along the section of transmission shaft (3) axial direction
The unilateral section for taking transmission shaft (3) as the axial symmetry section of symmetry axis, and forming axial symmetry section is i shaped cross section；
Drive end bearing bracket (2) and rear end cap (14) is respectively set in the front and back sides of rotor (1), and drive end bearing bracket (2), rear end cap (14) are fixed on
It is formed together stator；The drive end bearing bracket (2) and rear end cap (14) are axially distributed along transmission shaft (3)；
Wind preceding magnet exciting coil (5) and rear magnet exciting coil (10) in drive end bearing bracket (2) and rear end cap (14) respectively, drive end bearing bracket (2) and
Magnetism-isolating loop (4) before being arranged between the leading flank of rotor (1), every magnetic after being arranged between rear end cap (14) and the trailing flank of rotor (1)
Ring (11).
2. a kind of revolving type magnetic rheologic damper according to claim 1, it is characterised in that: the rotor (1) has shape
It at the outer toroid and interior annular in axial symmetry section, is connected between outer toroid and interior annular by middle floor, transmission shaft (3) passes through interior
Annulus.
3. a kind of revolving type magnetic rheologic damper according to claim 2, it is characterised in that: preceding magnet exciting coil (5) and after
Magnet exciting coil (10) is wound in respectively in the drive end bearing bracket (2) and rear end cap (14) of rotor (1) outer toroid side.
4. a kind of revolving type magnetic rheologic damper according to claim 3, it is characterised in that: rotor (1) outer toroid
Side and drive end bearing bracket (2) and rear end cap (14) between be provided with sealing ring (6).
5. a kind of revolving type magnetic rheologic damper according to claim 2, it is characterised in that: the preceding magnetism-isolating loop (4) and
Magnetism-isolating loop (11) is located at the two sides of the middle floor of rotor (1) or is located at the interior annular of rotor (1) and the two sides of middle floor afterwards, and
There is set distance between the medial surface of the outer edge and rotor (1) outer toroid of preceding magnetism-isolating loop (4) and rear magnetism-isolating loop (11).
6. a kind of revolving type magnetic rheologic damper according to claim 1, it is characterised in that: rotor (1) outer toroid
Outer lateral edge transmission shaft (3) axial setting no less than one band of protrusions (17).
7. a kind of revolving type magnetic rheologic damper according to claim 1, it is characterised in that: the rotor (1) and front end
Bearing (12) and sealing ring (13) are provided on transmission shaft (3) between lid (2) and rear end cap (14).
8. a kind of revolving type magnetic rheologic damper according to claim 1, it is characterised in that: the outside of the rotor (1)
It is arranged shell (15), drive end bearing bracket (2), rear end cap (14), shell (15) are fixed together to form stator.
9. a kind of revolving type magnetic rheologic damper according to claim 8, it is characterised in that: the top of the shell (15)
It is arranged top cover (9), the both ends of top cover (9) are fixedly connected with drive end bearing bracket (2) and rear end cap (14) respectively.
10. a kind of revolving type magnetic rheologic damper according to claim 8, it is characterised in that: the top of the shell (15)
Portion and bottom are respectively arranged with liquid injection hole (7) and lower liquid injection hole (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821650822.4U CN209278389U (en) | 2018-10-11 | 2018-10-11 | A kind of revolving type magnetic rheologic damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821650822.4U CN209278389U (en) | 2018-10-11 | 2018-10-11 | A kind of revolving type magnetic rheologic damper |
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| Publication Number | Publication Date |
|---|---|
| CN209278389U true CN209278389U (en) | 2019-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821650822.4U Active CN209278389U (en) | 2018-10-11 | 2018-10-11 | A kind of revolving type magnetic rheologic damper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578498A (en) * | 2018-10-11 | 2019-04-05 | 中国船舶重工集团公司第七�三研究所 | A kind of revolving type magnetic rheologic damper |
| CN110873147A (en) * | 2019-11-07 | 2020-03-10 | 东南大学 | Symmetrical multi-cylinder rotary magnetorheological damper |
-
2018
- 2018-10-11 CN CN201821650822.4U patent/CN209278389U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578498A (en) * | 2018-10-11 | 2019-04-05 | 中国船舶重工集团公司第七�三研究所 | A kind of revolving type magnetic rheologic damper |
| CN110873147A (en) * | 2019-11-07 | 2020-03-10 | 东南大学 | Symmetrical multi-cylinder rotary magnetorheological damper |
| CN110873147B (en) * | 2019-11-07 | 2021-08-13 | 东南大学 | Symmetrical multi-cylinder rotary magnetorheological damper |
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