CN201144989Y - High-efficiency brake based on magnetic fluid deformation technique - Google Patents
High-efficiency brake based on magnetic fluid deformation technique Download PDFInfo
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- CN201144989Y CN201144989Y CNU2007200588004U CN200720058800U CN201144989Y CN 201144989 Y CN201144989 Y CN 201144989Y CN U2007200588004 U CNU2007200588004 U CN U2007200588004U CN 200720058800 U CN200720058800 U CN 200720058800U CN 201144989 Y CN201144989 Y CN 201144989Y
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- central shaft
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Abstract
The utility model relates to a high-efficiency brake based on the magneto-rheological technology, comprising an electromagnetic clutch mechanism (A) and an electromagnetic braking mechanism (B) which generate damping torque, wherein, a planet gear speeder (C) which amplifies the damping torque is arranged between the electromagnetic clutch mechanism and the electromagnetic braking mechanism. Due to adoption of the structure of arrangement of the planet gear speeder which amplifies the damping torque between the electromagnetic clutch mechanism and the electromagnetic braking mechanism, large-torque braking can be realized under the action of small current through the speeder so as to achieve the aim of energy conservation; and the serialization can be conveniently realized through displacement of the speed increasing ratio of an internal speed increaser. Moreover, the high-efficiency brake has small volume and light weight and is a high-efficiency brake based on the magneto-rheological technology having the advantages of skillful design, superior performance, convenience and practicality.
Description
Technical field:
The utility model is a kind of effective brake based on magnetic converting technique, belongs to the renovation technique based on the break of magnetic converting technique.
Background technique:
Break is to be used for the device that subtracts mechanical speed or force machinery to stop, break at present commonly used has non-friction type breaks such as frictin braek such as belt, brake shoe formula, some disc type, interior shoe type, disc type and magnetic formula, magnetic vortex type, eddies of water streaming, wherein magnetic powder brake regulate in the control automatically most widely used.
As U. S. Patent U.S.Patent 4,992,190,5,549,837 and 6,471, introduced the various dampers of magnetic flow liquid among the 018B1; U.S.Patent 5,823, and 309 and 5,896,965 have introduced the magnetic rheological clutch of double plate structure; U.S.Paten 5,845, and 752,5,848,678 and EP 0,882,904,1,167, these four patents of 800A1 have been introduced the magnetic rheological clutch of cup type clutch configuration, but these clutches all focus on the control and the adjusting of fan; In addition, also introduced a kind of plate clutch of radially self-pressurization structure among the Chinese patent ZL00104451.
The paper of Xu Jing, Dong Yan " design of magnetic rheological brake and discussion " (Machine Design and manufacturing, 2001.01), Yang Yanrong, Dan Huiyong, defend brave paper " Design Theory of drum type magnetic rheological brake and analysis " (electromechanical engineering technology, 2005.10) etc. magnetic rheological brake is described, but above-mentioned break is single step arrangement, the volume and weight of break is also increasing along with the increase of braking moment, for example the break volume of the 500Nm of each manufacturer production is just very huge, and needs very large control electric current.
The model utility content:
The purpose of this utility model is to consider the problems referred to above and provides a kind of and can realize the braking of big moment by the speedup structure under the very little function of current, with the purpose that the reaches energy saving effective brake based on magnetic converting technique.The utility model structural volume is little, in light weight, can be easily speedup by hyperphoric inner speed increasing mechanism recently realize seriation.
The technical solution of the utility model is: the utility model includes electromagnetic clutch mechanism and the electromagnetic braking mechanism that produces damping torque, wherein is provided with the planet gear speeder that damping torque is amplified between electromagnetic clutch mechanism and the electromagnetic braking mechanism.
Above-mentioned electromagnetic clutch mechanism comprises the input shaft with disc structure, is set with left end cap on the input shaft, is set with the input field coil on the surface of contact between input shaft and the left end cap, is set with left field coil on the surface of contact between disc structure and the left end cap; Electromagnetic braking mechanism comprises the central shaft with disc structure, is set with right end cap on the central shaft, is equiped with right field coil on the outside of right end cap; Planet gear speeder comprises planet carrier, is installed in central gear, sun gear, planet wheel on the central shaft, planet carrier is installed in the inner of input shaft, it is connected with input shaft by the slipping mechanism that is connected with central shaft, be installed in central gear and planet wheel engagement on the central shaft, planet wheel and sun gear engagement, sun gear is installed on the position between left end cap and the right end cap, the disc structure of input shaft with end face that planet carrier contacts on be provided with left magnetic current medium, right end cap with end face that the disc structure of central shaft contacts on be provided with right magnetic current medium.
Above-mentioned slipping mechanism includes spring, guide rod, trapezoidal external splines, one end of guide rod is connected with central shaft, trapezoidal external splines is sleeved on the other end of guide rod, spring is installed between trapezoidal external splines and the input shaft, planet carrier is provided with and the corresponding interior trapezoidal splined hole of trapezoidal external splines, trapezoidal external splines is positioned at the trapezoidal splined hole on the planet carrier, also be provided with on the input shaft corresponding with trapezoidal external splines, slide onto interior trapezoidal splined hole in it for trapezoidal external splines.
The disc structure of above-mentioned input shaft with end face that planet carrier contacts on be provided with left inner seal ring, the disc structure of input shaft with outer side surface that planet carrier contacts on be provided with seal ring in the left side, the disc structure of input shaft is provided with exterior seal ring on the end face that touches with left end cap.
The surface of contact of above-mentioned central shaft and right end cap is provided with right inner seal ring, the disc structure of central shaft with outer side surface that right end cap contacts on be provided with seal ring in the right side, right end cap with outer side surface that sun gear contacts on be provided with right exterior seal ring.
Above-mentioned guide rod is connected with central shaft by slip cushion block and cup head pin.
Above-mentioned left magnetic current medium and right magnetic current medium are the magnetic fluid medium, or are the Magnaglo medium.
Above-mentioned central gear and central shaft one are made.
Above-mentioned disc structure and input shaft one are made, or disc structure makes separately, are fixed on the input shaft again; Disc structure and central shaft one are made, or disc structure makes separately, are fixed on the central shaft again.
Above-mentioned input shaft is bearing on the left end cap by the dynamic bearing that rolls left, and input shaft is equipped with input seal ring and bearing cap thereof in the outside of the dynamic bearing that rolls left; Central shaft is bearing on the right end cap by right rolling bearing, and central shaft is equipped with right sealing cover in the outside of right rolling bearing; In its rotating shaft, and the outer end of roller bearing is by the jump ring fastening by roller bearing for planet wheel.
The utility model is owing to adopt the structure that is provided with the planet gear speeder that damping torque is amplified between electromagnetic clutch mechanism and electromagnetic braking mechanism, and it can realize big moment braking by speed increaser under the very little function of current, to reach the purpose of energy saving.And can be easily speedup by hyperphoric inner speed increasing mechanism recently realize seriation.In addition, the utility model structural volume is little, in light weight, is that a kind of design is ingenious, function admirable, the convenient and practical effective brake based on magnetic converting technique.It can be widely used in printing, in the tension automatic control system of packing, papermaking and paper product processing etc., also can be widely used in power, efficiency measurement of power such as motor, internal-combustion engine, gearbox and gearing etc.
Description of drawings:
Fig. 1 is based on the half sectional view of the effective brake of magnetic converting technique;
Fig. 2 is based on the half sectional view in effective brake when work of magnetic converting technique;
Fig. 3 is based on the structural representation of the trapezoidal external splines of effective brake of magnetic converting technique;
Fig. 4 is the A-A sectional drawing among Fig. 3.
Among the figure: 1. input shaft, 1A. disc structure 2. input seal rings, dynamic bearing 3. rolls left, 4. left sealing cover, 5. left end cap, 6. spring, 7. guide rod, 8. trapezoidal external splines, 9. input field coil, 10. wire terminal, 11. left inner seal rings, 12. planet carriers, 13. left magnetic current medium, seal ring in 14. left sides, 15. left exterior seal rings, 16. left field coil, 17. sun gears, 18. right exterior seal rings, 19. seal ring in the right side, 20. right field coils, 21. right magnetic current media, 22. right end cap, 23. right inner seal rings, 24. right rolling bearings, 25. right sealing cover, 26. central shafts, 26A. disc structure, 26B. central gear, 27. the slip cushion block, 28. cup head pins, 29. planet wheels, 30. roller bearing, 31. jump rings.
Embodiment:
Embodiment:
Structural representation of the present utility model includes the A of electromagnetic clutch mechanism and the B of electromagnetic braking mechanism that produce damping torque as shown in Figure 1, wherein is provided with the planet gear speeder C that damping torque is amplified between electromagnetic clutch mechanism and the electromagnetic braking mechanism.
In the present embodiment, the above-mentioned electromagnetic clutch A of mechanism comprises the input shaft 1 with disc structure 1A, be set with left end cap 5 on the input shaft 1, be set with input field coil 9 on the surface of contact between input shaft 1 and the left end cap 5, be set with left field coil 16 on the surface of contact between disc structure 1A and the left end cap 5; The B of electromagnetic braking mechanism comprises the central shaft 26 with disc structure 26A, is set with right end cap 22 on the central shaft 26, is equiped with right field coil 20 on the outside of right end cap 22; Planet gear speeder C comprises planet carrier 12, be installed in the central gear 26B on the central shaft 26, sun gear 17, planet wheel 29, planet carrier 12 is installed in the inner of input shaft 1, it is connected with input shaft 1 by the slipping mechanism D that is connected with central shaft 26, be installed in central gear 26B and planet wheel 29 engagements on the central shaft 26, planet wheel 29 and sun gear 17 engagements, sun gear 17 is installed on the position between left end cap 5 and the right end cap 22, the disc structure 1A of input shaft 1 with end face that planet carrier 12 contacts on be provided with left magnetic current medium 13, right end cap 22 with end face that the disc structure 26A of central shaft 26 contacts on be provided with right magnetic current medium 21.Above-mentioned left magnetic current medium 13 and right magnetic current medium 21 are the magnetic fluid medium, or are the Magnaglo medium.In the present embodiment, left magnetic current medium 13 and right magnetic current medium 21 are the magnetic fluid medium.Input field coil 9, left field coil 16, right field coil 20 are connected with power supply by lead and wire terminal 10.
Make and install for convenient, above-mentioned central gear 26B and central shaft 26 one are made.Above-mentioned disc structure 1A and input shaft 1 one are made, or disc structure 1A makes separately, are fixed on the input shaft 1 again; Disc structure 26A and central shaft 26 one are made, or disc structure 26A makes separately, are fixed on the central shaft 26 again.In the present embodiment, disc structure 1A and input shaft 1 one are made, and disc structure 26A and central shaft 26 one are made.
In addition, above-mentioned input shaft 1 is bearing on the left end cap 5 by the dynamic bearing 3 that rolls left, and input shaft 1 is equipped with input seal ring 2 and bearing cap thereof in the outside of the dynamic bearing 3 that rolls left; Central shaft 26 is bearing on the right end cap 22 by right rolling bearing 24, and central shaft 26 is equipped with right sealing cover 25 in the outside of right rolling bearing 24; Planet wheel 29 is bearing in its rotating shaft by roller bearing 30, and the outer end of roller bearing 30 is by jump ring 31 fastenings.
In the present embodiment, above-mentioned slipping mechanism D includes spring 6, guide rod 7, trapezoidal external splines 8, one end of guide rod 7 is connected with central shaft 26, trapezoidal external splines 8 is sleeved on the other end of guide rod 7, spring 6 is installed between trapezoidal external splines 8 and the input shaft 1, planet carrier 12 is provided with and trapezoidal external splines 8 corresponding interior trapezoidal splined holes, trapezoidal external splines 8 is positioned at the trapezoidal splined hole on the planet carrier 12, also be provided with on the input shaft 18 corresponding with trapezoidal external splines, slide onto interior trapezoidal splined hole in it for trapezoidal external splines 8.Above-mentioned guide rod 7 is connected with central shaft 26 by slip cushion block 27 and cup head pin 28.
For guaranteeing sealing of the present utility model, the disc structure 1A of above-mentioned input shaft 1 with end face that planet carrier 12 contacts on be provided with left inner seal ring 11, the disc structure 1A of input shaft 1 with outer side surface that planet carrier 12 contacts on be provided with seal ring 14 in the left side, the disc structure 1A of input shaft 1 with end face that left end cap 5 contacts on be provided with exterior seal ring 15.In like manner, above-mentioned central shaft 26 is provided with right inner seal ring 23 with the surface of contact of right end cap 22, the disc structure 26A of central shaft 26 with outer side surface that right end cap 22 contacts on be provided with seal ring 19 in the right side, right end cap 22 with outer side surface that sun gear 17 contacts on be provided with right exterior seal ring 18.
The utility model in use, when braking moment is lower than the starting torque of planet gear speeder, input field coil 9 is not worked, left side field coil 16 energising work, under the effect of spring 6 and guide rod 7, when input field coil 9 was not worked, trapezoidal external splines 8 was positioned at the trapezoidal splined hole on the planet carrier 12, and the left magnetic flow liquid 13 between input shaft 1 and the planet carrier 12 issues the magnetisation rheological effect in left field coil 16 effects and produces resistance.
When braking moment during more than or equal to the starting torque of planet gear speeder C, the work of all switching on of input field coil 9 and right field coil 20, trapezoidal external splines 8 moves to left and connects input shaft 1 and planet carrier 12,12 of input shaft 1 and planet carriers carry out clutch by left magnetic current medium 13 under left field coil 16 effects, central gear 26A produces damping torque by right magnetic current medium 21 and right end cap 22 under the effect of right field coil 20, the speed increasing ratio multiple that makes the resistance of input shaft 1 obtain planet gear speeder C by planet gear speeder C amplifies, and can reach little at volume like this, realize big moment braking under the situation little in light weight with controlling electric current.When needing the break of different size,, therefore be easy to realize the seriation and the standardization of product as long as, promptly can realize by replacing the velocity ratio of planet gear speeder.
Claims (10)
1, a kind of effective brake based on magnetic converting technique, include the electromagnetic clutch mechanism (A) and the electromagnetic braking mechanism (B) that produce damping torque, it is characterized in that being provided with between electromagnetic clutch mechanism and the electromagnetic braking mechanism planet gear speeder (C) that damping torque is amplified.
2, the effective brake based on magnetic converting technique according to claim 1, it is characterized in that above-mentioned electromagnetic clutch mechanism (A) comprises the have disc structure input shaft (1) of (1A), be set with left end cap (5) on the input shaft (1), be set with input field coil (9) on the surface of contact between input shaft (1) and the left end cap (5), be set with left field coil (16) on the surface of contact between disc structure (1A) and the left end cap (5); Electromagnetic braking mechanism (B) comprises and the have disc structure central shaft (26) of (26A) is set with right end cap (22) on the central shaft (26), is equiped with right field coil (20) on the outside of right end cap (22); Planet gear speeder (C) comprises planet carrier (12), be installed in the central gear (26B) on the central shaft (26), sun gear (17), planet wheel (29), planet carrier (12) is installed in the inner of input shaft (1), it is connected with input shaft (1) by the slipping mechanism (D) that is connected with central shaft (26), be installed in central gear (26B) and planet wheel (29) engagement on the central shaft (26), planet wheel (29) and sun gear (17) engagement, sun gear (17) is installed on the position between left end cap (5) and the right end cap (22), the disc structure (1A) of input shaft (1) with end face that planet carrier (12) contacts on be mounted with left magnetic current medium (13), right end cap (22) with end face that the disc structure (26A) of central shaft (26) contacts on be mounted with right magnetic current medium (21).
3, effective brake based on magnetic converting technique according to claim 2, it is characterized in that above-mentioned slipping mechanism (D) includes spring (6), guide rod (7), trapezoidal external splines (8), one end of guide rod (7) is connected with central shaft (26), trapezoidal external splines (8) is sleeved on the other end of guide rod (7), spring (6) is installed between trapezoidal external splines (8) and the input shaft (1), planet carrier (12) is provided with and the corresponding interior trapezoidal splined hole of trapezoidal external splines (8), trapezoidal external splines (8) is positioned at the trapezoidal splined hole on the planet carrier (12), also is provided with corresponding with trapezoidal external splines (8) on the input shaft (1), slide onto its interior interior trapezoidal splined hole for trapezoidal external splines (8).
4, the effective brake based on magnetic converting technique according to claim 2, the disc structure (1A) that it is characterized in that above-mentioned input shaft (1) with end face that planet carrier (12) contacts on be provided with left inner seal ring (11), the disc structure (1A) of input shaft (1) with outer side surface that planet carrier (12) contacts on be provided with seal ring in the left side (14), the disc structure (1A) of input shaft (1) with end face that left end cap (5) contacts on be provided with exterior seal ring (15).
5, the effective brake based on magnetic converting technique according to claim 2, it is characterized in that the above-mentioned central shaft (26) and the surface of contact of right end cap (22) are provided with right inner seal ring (23), the disc structure (26A) of central shaft (26) with outer side surface that right end cap (22) contacts on be provided with seal ring in the right side (19), right end cap (22) with outer side surface that sun gear (17) contacts on be provided with right exterior seal ring (18).
6, the effective brake based on magnetic converting technique according to claim 3 is characterized in that above-mentioned guide rod (7) is connected with central shaft (26) by slip cushion block (27) and cup head pin (28).
7,, it is characterized in that above-mentioned left magnetic current medium (13) and right magnetic current medium (21) are the magnetic fluid medium, or be the Magnaglo medium according to each described effective brake of claim 2 to 6 based on magnetic converting technique.
8, the effective brake based on magnetic converting technique according to claim 7 is characterized in that above-mentioned central gear (26B) and central shaft (26) one make.
9, the effective brake based on magnetic converting technique according to claim 8 is characterized in that above-mentioned disc structure (1A) and input shaft (1) one make, or disc structure (1A) makes separately, is fixed on the input shaft (1) again; Disc structure (26A) and central shaft (26) one are made, or disc structure (26A) makes separately, are fixed on the central shaft (26) again.
10, the effective brake based on magnetic converting technique according to claim 9, input seal ring (2) and bearing cap thereof be equipped with it is characterized in that above-mentioned input shaft (1) is bearing on the left end cap (5) by the dynamic bearing that rolls left (3), and input shaft (1) in the outside of the dynamic bearing that rolls left (3); Central shaft (26) is bearing on the right end cap (22) by right rolling bearing (24), and central shaft (26) is equipped with right sealing cover (25) in the outside of right rolling bearing (24); Planet wheel (29) is bearing in its rotating shaft by roller bearing (30), and the outer end of roller bearing (30) is by jump ring (31) fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200588004U CN201144989Y (en) | 2007-10-26 | 2007-10-26 | High-efficiency brake based on magnetic fluid deformation technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200588004U CN201144989Y (en) | 2007-10-26 | 2007-10-26 | High-efficiency brake based on magnetic fluid deformation technique |
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| Publication Number | Publication Date |
|---|---|
| CN201144989Y true CN201144989Y (en) | 2008-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007200588004U Expired - Fee Related CN201144989Y (en) | 2007-10-26 | 2007-10-26 | High-efficiency brake based on magnetic fluid deformation technique |
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| CN (1) | CN201144989Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915277A (en) * | 2010-07-21 | 2010-12-15 | 河海大学 | Uniwafer three-disk magnetic rheological clutch |
| CN102312939A (en) * | 2011-09-09 | 2012-01-11 | 湖州比洛德传动技术有限公司 | Clutch of magneto rheological fluid (MRF) fan |
| CN102401046A (en) * | 2011-07-15 | 2012-04-04 | 东北林业大学 | Impeller type magneto rheological fluid brake for vehicle |
| CN102879191A (en) * | 2012-09-29 | 2013-01-16 | 中国航天科技集团公司第五研究院第五一〇研究所 | Fatigue life evaluating device for flexible gears |
| CN103335085A (en) * | 2013-07-17 | 2013-10-02 | 重庆大学 | Reversible magneto-rheological stepless torque converter |
| WO2015161430A1 (en) * | 2014-04-22 | 2015-10-29 | 上海锘威传动控制有限责任公司 | Magneto-rheological servo speed regulating and reducing device and assembly and control method therefor |
-
2007
- 2007-10-26 CN CNU2007200588004U patent/CN201144989Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915277A (en) * | 2010-07-21 | 2010-12-15 | 河海大学 | Uniwafer three-disk magnetic rheological clutch |
| CN102401046A (en) * | 2011-07-15 | 2012-04-04 | 东北林业大学 | Impeller type magneto rheological fluid brake for vehicle |
| CN102312939A (en) * | 2011-09-09 | 2012-01-11 | 湖州比洛德传动技术有限公司 | Clutch of magneto rheological fluid (MRF) fan |
| CN102879191A (en) * | 2012-09-29 | 2013-01-16 | 中国航天科技集团公司第五研究院第五一〇研究所 | Fatigue life evaluating device for flexible gears |
| CN102879191B (en) * | 2012-09-29 | 2015-01-21 | 中国航天科技集团公司第五研究院第五一〇研究所 | Fatigue life evaluating device for flexible gears |
| CN103335085A (en) * | 2013-07-17 | 2013-10-02 | 重庆大学 | Reversible magneto-rheological stepless torque converter |
| CN103335085B (en) * | 2013-07-17 | 2015-09-09 | 重庆大学 | A kind of magnetorheological step-less moment variator capable of reversing |
| WO2015161430A1 (en) * | 2014-04-22 | 2015-10-29 | 上海锘威传动控制有限责任公司 | Magneto-rheological servo speed regulating and reducing device and assembly and control method therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangzhou Fortune Industry Co., Ltd. Assignor: Guangdong University of Technology Contract fulfillment period: 2008.11.16 to 2014.11.15 Contract record no.: 2009990000898 Denomination of utility model: Highly effective brake based on magnetic rheology technique Granted publication date: 20081105 License type: Exclusive license Record date: 20090812 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.11.16 TO 2014.11.15; CHANGE OF CONTRACT Name of requester: KETENG INDUSTRY CO., LTD., PANYU, GUANGZHOU CITY Effective date: 20090812 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081105 Termination date: 20121026 |