CN204082994U - The double mode adjustable magneto-rheologic liquid brake of a kind of braking moment - Google Patents
The double mode adjustable magneto-rheologic liquid brake of a kind of braking moment Download PDFInfo
- Publication number
- CN204082994U CN204082994U CN201420603799.9U CN201420603799U CN204082994U CN 204082994 U CN204082994 U CN 204082994U CN 201420603799 U CN201420603799 U CN 201420603799U CN 204082994 U CN204082994 U CN 204082994U
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- ring
- rotary shaft
- braking moment
- shaped magnets
- double mode
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Abstract
The double mode adjustable magneto-rheologic liquid brake of braking moment, is made up of left shell, right shell body, electromagnetic wire group, left rotary shaft, right spindle, blade assembly, pull-push piece, fixed tray, screw mandrel, the first half-ring-shaped magnets, bearing, the second half-ring-shaped magnets, magnetic flow liquid, linear electric motor, nut.The utility model according to the different operating conditions of vehicle and severity of braking, can control electric current and blade plane angular orientation by adjustment, realizes double mode braking moment adjustment, plays the effect increasing braking moment and reduce blade rotation resistance.The utility model have compact structure simple, facility, fast response time, advantage that braking moment is large are installed.
Description
Technical field
The utility model relates to a kind of braking device, particularly relates to the double mode adjustable magneto-rheologic liquid brake of a kind of braking moment.
Background technique
Traditional braking mode installs mechanical frictin braek: comprise disk type braker and drum brake.There is frequent or long-time braking and easily cause temperature sharply to rise in frictin braek, causes braking failure, and braking is impacted greatly, be there is frictional noise, easily accidents caused.People are to the improvement of brake performance for many years, mostly carrying out around break itself, as widened the size of brake drum and friction plate, changing the material prescription of friction plate, change disc type brake etc. into by drum brake, these are all not enough to the problem fundamentally solving break premature failure.
Magnetic flow liquid has the characteristic of magnetic material and the controlled fluid of liquid fluidity, and under additional magnetic fields, the rheological properties such as viscosity of magnetic flow liquid changes rapidly, and rheological properties changes along with the change of applied field strengths.The viscosity B coefficent of magnetic flow liquid be reversible, rapidly and be easy to control, this makes magnetic flow liquid be used widely in fields such as automobile, machinery, building, mines.In the prior art of magneto-rheologic liquid brake, Chinese patent notification number is that " the rotary magnetic rheological liquid break of structurally variable " of CN1482376 mainly comprises two rotating disks, rotating shaft, electromagnetic coil, magnetically conducting inner tube, magnetic conduction urceolus, magnetic flow liquid, bearing and end cap, sealing material, sealing cover, positioning key etc., magnetically conducting inner tube is provided with separation structure, one or two rotating disks can be used as required, to improve magnetorheological efficiency, increase the Maximum damping moment of break.But be similar under above-mentioned this magneto-rheologic liquid brake is generally all operated in single shear mode, when being applied to automobile brake, again due to the restriction in space in vehicle wheel, the physical dimension of magneto-rheologic liquid brake is restricted, and often can not provide enough large braking moment.Chinese patent notification number is " impeller type magneto rheological fluid brake for vehicle " of CN203189572U, the blade of the Zhou Buyou rectangular cross-section, disk both sides of its braking impeller, under this structure can make impeller type magneto rheological fluid brake be operated in the composite mode sheared and flow, thus under the prerequisite of physical dimension not increasing break, the maximum braking moment that break can provide can be improved, but there is break when not working, blade rotation can produce larger resistance and heat, cause idle running energy loss, affect vehicle and travel economical and power character.
Summary of the invention
The deficiency that the utility model exists for existing magnetic rheological brake, proposes the double mode adjustable magneto-rheologic liquid brake of a kind of braking moment, and the utility model has the advantage that compact structure is simple, install facility, fast response time.
The utility model is realized by following technical measures:
The double mode adjustable magneto-rheologic liquid brake of a kind of braking moment, by left shell, right shell body, electromagnetic wire group, left rotary shaft, right spindle, blade assembly, pull-push piece, fixed tray, screw mandrel, first half-ring-shaped magnets, bearing, second half-ring-shaped magnets, magnetic flow liquid, linear electric motor, nut forms, left shell, right shell body is by Bolt Connection and be fixed on car body, magnetic flow liquid is filled in left shell, in the cavity of right shell body composition, left rotary shaft is arranged on left shell by bearing, second half-ring-shaped magnets is sleeved in left rotary shaft, and positioned by left shell upper shed groove, the mode that right spindle is identical with right side with the installation employing of right shell body, bearing and half-ring-shaped magnets are also installed.
Left rotary shaft, right spindle are by Bolt Connection, and power input shaft, the output shaft of vehicle carry out spline joint by spline structure and left rotary shaft, right spindle, and can axial stretching.
Multiple blade assembly is arranged in the flange cavity on left rotary shaft, right spindle, and carry out radial location by round structure and rotatable, multiple bearing pins in pull-push piece are arranged in the opening slot on multiple blade assembly, and pull-push piece is arranged in the guiding groove in left rotary shaft, limit it and rotate.
Nut is fixedly mounted in pull-push piece, and linear electric motor are mounted by means of bolts on fixed tray, and fixed tray is fixedly mounted in left rotary shaft, and screw mandrel is connected with linear electric motor, nut thread.
The first described half-ring-shaped magnets and the inner ring of the second half-ring-shaped magnets are all with bevel shape, two the first half-ring-shaped magnets are adopted to form a domain, the magnetic flow liquid flowing to its groove is assembled under the influence of a magnetic field, play seal action, in like manner, two the second half-ring-shaped magnets form a domain, and the magnetic flow liquid flowing to its groove is assembled under the influence of a magnetic field, plays seal action.
With spherical positioning structures and opening slot on the rod member of described blade assembly.
Described left shell, the side of right shell body are all mounted with the electromagnetic wire group more than two.
Described left rotary shaft, right spindle are all with spline structure.
The beneficial effects of the utility model are: the double mode adjustable magneto-rheologic liquid brake of a kind of braking moment, can according to the different operating conditions of vehicle and severity of braking, electric current and two kinds, blade plane angular orientation braking moment adjusting method is controlled by adjustment, realize double mode braking moment adjustment, play the effect increasing braking moment and reduce blade rotation resistance.The utility model have compact structure simple, facility, fast response time, advantage that braking moment is large are installed.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the utility model general structure schematic diagram.
Fig. 2 is the utility model internal structure schematic diagram.
Fig. 3 is the utility model internal structure schematic diagram when hiding right spindle.
Fig. 4 is the utility model motion structural representation.
Fig. 5 is the utility model motion structural representation.
Fig. 6 is the utility model motion structural representation.
Fig. 7 is the single blade component structure schematic diagram of the utility model.
Fig. 8 is the utility model turning shaft structure schematic diagram.
Fig. 9 is the utility model plan view.
Figure 10 is the utility model blade assembly movement locus schematic diagram.
Figure 11 is the first half-ring-shaped magnets structural representation shown in Fig. 3.
Figure 12 is the second half-ring-shaped magnets structural representation shown in Fig. 9.
Figure 13 is the pull-push piece structural representation shown in Fig. 4.
In figure: A-left shell assembly, B-right shell body assembly, C-left rotary shaft assembly, D-right spindle assembly,
1-left shell, 2-right shell body, 3-electromagnetic wire group, 4-left rotary shaft, 5-right spindle, 6-blade assembly, 7-pull-push piece, 8-fixed tray, 9-screw mandrel, 10-first half-ring-shaped magnets, 11-bearing, 12-second half-ring-shaped magnets, 13-magnetic flow liquid, 14-linear electric motor, 15-nut.
Embodiment
For the technical characterstic of this programme can be clearly demonstrated, below by an embodiment, and by reference to the accompanying drawings, this programme is set forth.
The double mode adjustable magneto-rheologic liquid brake of a kind of braking moment, by left shell 1, right shell body 2, electromagnetic wire group 3, left rotary shaft 4, right spindle 5, blade assembly 6, pull-push piece 7, fixed tray 8, screw mandrel 9, first half-ring-shaped magnets 10, bearing 11, second half-ring-shaped magnets 12, magnetic flow liquid 13, linear electric motor 14, nut 15 forms, left shell 1, right shell body 2 is by Bolt Connection and be fixed on car body, magnetic flow liquid 13 is filled in left shell 1, in the cavity that right shell body 2 forms, left rotary shaft 4 is arranged on left shell 1 by bearing 11, second half-ring-shaped magnets 12 is sleeved in left rotary shaft 4, and positioned by left shell 1 upper shed groove, the mode that right spindle 5 is identical with right side with the installation employing of right shell body 2, bearing and half-ring-shaped magnets are also installed.
As shown in Figure 2, left rotary shaft 4, right spindle 5 are by Bolt Connection, and power input shaft, the output shaft of vehicle carry out spline joint by spline structure and left rotary shaft 4, right spindle 5, and can axial stretching.
Shown in composition graphs 2 and Fig. 3, multiple blade assembly 6 is arranged in the flange cavity on left rotary shaft 4, right spindle 5, and carry out radial location by round structure and rotatable, shown in composition graphs 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, multiple bearing pins in pull-push piece 7 are arranged in the opening slot on multiple blade assembly 6, pull-push piece 7 is arranged in the guiding groove in left rotary shaft 4, limits it and rotates.
As shown in Figure 4 and Figure 6, nut 15 is fixedly mounted in pull-push piece 7, and linear electric motor 14 are mounted by means of bolts on fixed tray 8, and fixed tray 8 is fixedly mounted in left rotary shaft 4, and screw mandrel 9 and linear electric motor 14, nut 15 are threaded.
The first described half-ring-shaped magnets 10 and the inner ring of the second half-ring-shaped magnets 12 are all with bevel shape, two the first half-ring-shaped magnets 10 are adopted to form a domain, the magnetic flow liquid flowing to its groove is assembled under the influence of a magnetic field, play seal action, in like manner, two the second half-ring-shaped magnets 12 form a domain, and the magnetic flow liquid flowing to its groove is assembled under the influence of a magnetic field, plays seal action.
With spherical positioning structures and opening slot on the rod member of described blade assembly 6.
Described left shell 1, the side of right shell body 2 are all mounted with the electromagnetic wire group 3 more than two.
Described left rotary shaft 4, right spindle 5 are all with spline structure.
In the present embodiment, the working procedure of the double mode adjustable magneto-rheologic liquid brake of described a kind of braking moment is as follows:
At ordinary times during normal vehicle operation, electromagnetic wire group 3 no electric circuit, magnetic flow liquid 13 now has common fluid characteristic, linear electric motor 14 drive screw mandrel 9 to rotate and drive nut 15 moves axially with pull-push piece 7, multiple bearing pins in pull-push piece 7 drive blade assembly 6 to carry out angle position location by blade assembly 6 upper shed groove, blade face on blade assembly 6 and left rotary shaft 4 end face are arranged in parallel to realize minimum drag, improve vehicle running efficiency.
When vehicle is braked, controller is energized to multiple electromagnetic wire group 3, the change of electromagnetic field power is realized by the size controlling electric current, under the influence of a magnetic field, magnetic flow liquid 13 class solidification rapidly, the mobility of magnetic flow liquid 13 is weakened, form chain thing or solid, anti-shear ability improves, produce damping torque, simultaneously, controller control linear electric motor 14 drive screw mandrel 9 to rotate and drive nut 15 moves axially with pull-push piece 7, multiple bearing pins in pull-push piece 7 drive blade assembly 6 to carry out angle position adjustment by blade assembly 6 upper shed groove, increase the vane stress normal plane of blade assembly 6, and then increase braking moment, when blade assembly 6 90-degree rotation, blade face on blade assembly 6 and left rotary shaft 4 end face are arranged vertically, maximum resistance can be produced, improve Braking efficiency, shorten stopping distance, improve travel safety.
Although connection with figures is described preferred embodiment of the present utility model above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, can also make a lot of form, these all belong within protection domain of the present utility model.
Claims (5)
1. the double mode adjustable magneto-rheologic liquid brake of braking moment, by left shell (1), right shell body (2), electromagnetic wire group (3), turn left (4), right spindle (5), blade assembly (6), pull-push piece (7), fixed tray (8), screw mandrel (9), first half-ring-shaped magnets (10), bearing (11), second half-ring-shaped magnets (12), magnetic flow liquid (13), linear electric motor (14), nut (15) forms, left shell (1), right shell body (2) is by Bolt Connection and be fixed on car body, it is characterized in that: magnetic flow liquid (13) is filled in left shell (1), in the cavity that right shell body (2) forms, left rotary shaft (4) is arranged on left shell (1) by bearing (11), second half-ring-shaped magnets (12) is sleeved in left rotary shaft (4), and positioned by left shell (1) upper shed groove, the mode that right spindle (5) is identical with right side with the installation employing of right shell body (2), bearing and half-ring-shaped magnets are also installed, left rotary shaft (4), right spindle (5) by Bolt Connection, the power input shaft of vehicle, output shaft is by spline structure and left rotary shaft (4), right spindle (5) carries out spline joint, and can axial stretching, and multiple blade assembly (6) is arranged on left rotary shaft (4), in flange cavity on right spindle (5), and carry out radial location by round structure and rotatable, multiple bearing pins in pull-push piece (7) are arranged in the opening slot on multiple blade assembly (6), pull-push piece (7) is arranged in the guiding groove in left rotary shaft (4), limit it to rotate, nut (15) is fixedly mounted in pull-push piece (7), linear electric motor (14) are mounted by means of bolts on fixed tray (8), fixed tray (8) is fixedly mounted in left rotary shaft (4), screw mandrel (9) and linear electric motor (14), nut (15) is threaded.
2. the double mode adjustable magneto-rheologic liquid brake of a kind of braking moment as claimed in claim 1, it is characterized in that: the inner ring of the first half-ring-shaped magnets (10) and the second half-ring-shaped magnets (12) is all with bevel shape, two the first half-ring-shaped magnets (10) are adopted to form a domain, the magnetic flow liquid flowing to its groove is assembled under the influence of a magnetic field, play seal action, in like manner, two the second half-ring-shaped magnets (12) form a domain, the magnetic flow liquid flowing to its groove is assembled under the influence of a magnetic field, plays seal action.
3. the double mode adjustable magneto-rheologic liquid brake of a kind of braking moment as claimed in claim 1, is characterized in that: with spherical positioning structures and opening slot on the rod member of blade assembly (6).
4. the double mode adjustable magneto-rheologic liquid brake of a kind of braking moment as claimed in claim 1, is characterized in that: the side of left shell (1), right shell body (2) is all mounted with the electromagnetic wire group (3) more than two.
5. the double mode adjustable magneto-rheologic liquid brake of a kind of braking moment as described in claim (1), is characterized in that: left rotary shaft (4), right spindle (5) are all with spline structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420603799.9U CN204082994U (en) | 2014-10-19 | 2014-10-19 | The double mode adjustable magneto-rheologic liquid brake of a kind of braking moment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420603799.9U CN204082994U (en) | 2014-10-19 | 2014-10-19 | The double mode adjustable magneto-rheologic liquid brake of a kind of braking moment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204082994U true CN204082994U (en) | 2015-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420603799.9U Withdrawn - After Issue CN204082994U (en) | 2014-10-19 | 2014-10-19 | The double mode adjustable magneto-rheologic liquid brake of a kind of braking moment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204082994U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265804A (en) * | 2014-10-19 | 2015-01-07 | 山东交通学院 | Magnetorheological fluid brake with double-mode braking torque regulation |
| CN115741164A (en) * | 2022-12-05 | 2023-03-07 | 江苏朗恩机械制造有限公司 | Clamping device is used in processing of hoist revolving stage |
-
2014
- 2014-10-19 CN CN201420603799.9U patent/CN204082994U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265804A (en) * | 2014-10-19 | 2015-01-07 | 山东交通学院 | Magnetorheological fluid brake with double-mode braking torque regulation |
| CN115741164A (en) * | 2022-12-05 | 2023-03-07 | 江苏朗恩机械制造有限公司 | Clamping device is used in processing of hoist revolving stage |
| CN115741164B (en) * | 2022-12-05 | 2023-09-15 | 江苏朗恩机械制造有限公司 | Clamping device for processing crane turntable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20160928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |