CN202118180U - Friction magneto-rheological damping buffer - Google Patents
Friction magneto-rheological damping buffer Download PDFInfo
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- CN202118180U CN202118180U CN2011202330309U CN201120233030U CN202118180U CN 202118180 U CN202118180 U CN 202118180U CN 2011202330309 U CN2011202330309 U CN 2011202330309U CN 201120233030 U CN201120233030 U CN 201120233030U CN 202118180 U CN202118180 U CN 202118180U
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- casing
- friction
- voussoirs
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Abstract
The utility model relates to a friction magneto-rheological damping buffer, which is characterized by comprising a box body. Two outer fixed plates, two movable plates, two fixed bevel plates and two wedges are symmetrically arranged at one end of the box body sequentially from an upper lateral wall and a lower lateral wall to the center. A central wedge is arranged at a front end between the two wedges, a supporting seat is arranged at the rear end of the two wedges, and a restoring spring is arranged between the supporting seat and the central wedge on the inner sides of the two wedges. A central spring is arranged at the rear end of the supporting seat, and a magneto-rheological damping core body is arranged in the central spring. An angular spring seat is respectively arranged above and below the central spring, and an angular spring is respectively arranged at two ends of each angular spring seat. The rear ends of the four angular springs are all arranged on the rear lateral wall of the box body, a permanent magnet is respectively arranged between the two upper angular springs and between the two lower angular springs, one ends of the two permanent magnets are correspondingly arranged on a boss on the lateral wall of the box body, and the other ends of the two permanent magnets are both arranged on the rear lateral wall of the box body. The friction magneto-rheological damping buffer is simple in structure and reliable in performance and can be widely used in buffering systems where impact forces are exerted on railway trains.
Description
Technical field
The utility model relates to a kind of buffer, particularly about a kind of friction magnetorheological damping buffer that is used for railway vehicle.
Background technique
At present, what application was maximum in the goods train vehicle is friction type rigidity spring buffer, because the structural feature of itself, the capacity and the striking velocity that further improve it are restricted, and can not adapt to the requirement of Chinese Railway speed and heavy load.And full rubber bumper is low, influenced by environmental temperature with full elastomeric bumpers absorptivity; There are the seal leakage problem in friction clay buffer, full clay buffer.Therefore, need research at present badly and a kind ofly can utilize the friction energy-absorbing, can utilize elastic element to strengthen the combined buffer of energy-absorbing again.
Summary of the invention
To the problems referred to above, the purpose of the utility model provides the friction magnetorheological damping buffer of a kind of S. E. A. height, stable performance.
For realizing above-mentioned purpose; The utility model is taked following technological scheme: a kind of friction magnetorheological damping buffer; It is characterized in that: it comprises a casing, and said casing one end is symmetrically arranged with two outer fixing plates, two moving plates, two fixedly swash plate and two voussoirs from upper side wall and lower wall to the center respectively successively; Front end between said two voussoirs is provided with a center wedge, is provided with a supporting base in the said casing of the rear end between said two voussoirs, and is provided with a return spring between the said center wedge of said two voussoirs inboard and the supporting base; Be provided with a central spring in the casing of said supporting base rear end, the other end of said central spring is arranged on the rear sidewall of said casing, is provided with the magnetorheological damping core body in the said central spring; The rear end of said supporting base, the above and below of said central spring are respectively arranged with one jiao of spring seat, and the two ends of each angle spring seat respectively are provided with one jiao of spring; Two said angles, top spring rear end, and two said angles, bottom spring rear end all is arranged on the rear sidewall of said casing; Between the spring of two said angles, top; And be provided with a permanent magnet between the spring of two said angles, bottom; One end correspondence of upper and lower two said permanent magnets is arranged on the boss of the upper and lower sidewall of said casing, and the other end all is arranged on the rear sidewall of said casing.
On said two voussoirs, be respectively arranged with a groove, be respectively arranged with a copper bar in the two said grooves with the contacting point of the said fixedly swash plate of a corresponding side.
Be respectively arranged with the short pin-and-hole of a preshrunk on the said center wedge of two contacting points of said center wedge and said wall box and the casing.
The upper and lower contact jaw of said supporting base and said central spring is respectively arranged with outstanding two-stage step, corresponding respectively contact central spring of said two-stage step and magnetorheological damping core body.
The utility model is owing to take above technological scheme; It has the following advantages: 1, in the utility model owing to be provided with the friction pair of forming by fixed component and moving member, and the magnetorheological composite structure of forming by central spring, magnetorheological damping core body of friction, therefore; Can be on the basis of metal friction energy-absorbing; Increase the energy-absorbing of magnetorheological damping core body, further improved the energy-absorbing effect of buffer, and through theoretical calculation; The utility model can satisfy regulation impact test method among the TB/T1961-2006 " rolling stock buffer ", reaches striking velocity value 10km/h.2, the utility model is provided with the magnetorheological damping core body in the central spring of supporting base rear end; The magnetorheological damping core body itself has energy-absorbing function; Therefore, not only improve the rigidity of elastic element, and improved the S. E. A. and the capacity of the utility model friction system again.The utility model is simple in structure, reliable performance, stable, both can improve striking velocity, has energy-absorbing rate advantages of higher again simultaneously, therefore, can be widely used in railway vehicle and be hit in the buffer system of power.
Description of drawings
Fig. 1 is the vertical cut-away schematic view of the utility model
Fig. 2 is the horizontal section schematic representation of the utility model
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is carried out detailed description.
As shown in Figure 1; The utility model comprises a square box 1; Casing 1 one ends are provided with the friction pair of being made up of fixed component and moving member, and this friction pair comprises respectively from the upper side wall of casing 1 and lower wall to the moving plate of the symmetrically arranged successively two outer fixing plates 2, two in center 3, two fixedly swash plate 4, two voussoirs 5.Wherein, two outer fixing plates 2 and two fixedly swash plate 4 be separately positioned on the casing 1.Front end between two voussoirs, 5 inboards is provided with in the casing 1 of a center wedge 6, two voussoirs 5 rear ends and is provided with a supporting base 7, and supporting base 7 contacts with two voussoirs 5 and forms friction pair.Two voussoirs, 5 inboards are provided with return spring 8 between center wedge 6 and the supporting base 7, and return spring 8 is used to accomplish the recovery after center wedge 6 is compressed.Be provided with a central spring 9 in the casing 1 of supporting base 7 rear ends, the other end of central spring 9 is arranged on the rear sidewall of casing 1, is provided with magnetorheological damping core body 10 in the central spring 9.The above and below of the rear end of supporting base 7, central spring 9 is respectively arranged with one jiao of spring seat 11, and the two ends of each angle spring seat 11 respectively are provided with one jiao of spring 12.Two angle spring 12 rear ends, top, and two angle spring 12 rear ends, bottom all are arranged on the rear sidewall of casing 1.Between two the angle springs 12 in top; And be provided with a permanent magnet 13 between two the angle springs 12 in bottom; One end correspondence of upper and lower two permanent magnets 13 is arranged on the boss 14 of casing 1 upper and lower sidewall; Through moving of upper and lower boss 14 constraints two permanent magnets 13, the other end of two permanent magnets 13 all is arranged on the rear sidewall of casing 1.
As shown in Figure 1; On two voussoirs 5, fixedly be respectively arranged with a groove in the contacting point of swash plate 4 with a corresponding end, be respectively arranged with a copper bar 15 in two grooves; Two copper bars 15 are used for the fixing friction pair lubricate of swash plate 4 of two voussoirs 5 and two is improved the stability of friction.
As shown in Figure 2, on the center wedge 6 of center wedge 6 and two contacting points of casing 1 sidewall and casing 1, be respectively arranged with the short pin-and-hole of a preshrunk.Before the utility model entrucking, center wedge 6 is pressed in the casing 1, through in the preshrunk weak point pin-and-hole of center wedge 6 and casing 1 contacting point, plugging the short pin 16 of preshrunk, center wedge 6 to be assembled with casing 1 fix, it is short that whole model utility is carried out preshrunk; After the utility model entrucking, connect extension between vehicle, can the utility model freely be discharged through cutting off the short pin 16 of preshrunk.
As shown in Figure 1, in the foregoing description, supporting base 7 is respectively arranged with outstanding two-stage step 17 with the upper and lower contacting point of central spring 9, corresponding respectively contact central spring 9 of two-stage step 17 and magnetorheological damping core body 10.
As shown in Figure 1, in the foregoing description, supporting base 7 one ends contact with two moving plates 3, two voussoirs 5; The other end contacts with central spring 9, magnetorheological damping core body 10, angle spring seat 11.
The working principle of the utility model is: relax impact force by means of compression elastic element, in the compression elastic element process, utilize friction and damping to absorb impact energy simultaneously.When the utility model receives when impacting, center wedge 6 moves to two voussoirs 5, drive two voussoirs 5 respectively along two fixedly swash plate 4 in casing 1, slide, this moments two, moving plates 3 were correspondingly respectively clamped by the outer fixing plate 2 of upper and lower both sides and fixing swash plate 4.When center voussoir 6 moved to certain distance in casing 1 after, two moving plates 3 also moved center of compression spring 9, magnetorheological damping core body 10 and four angle springs 12 in casing 1 with center wedge 6.At this moment, between center wedge 6 and two voussoirs 5, two voussoirs 5 and two are fixedly between the swash plate 4, and two moving plates 3 are respectively and fixedly between swash plate 4 and the outer fixing plate 2, and between two voussoirs 5 and the supporting base 7 etc., form friction pair absorption impact kinetic energy.Central spring 9 and four angle springs 12 are converted into elastic potential energy with a part of impact kinetic energy in compression process.Magnetorheological damping core body 10 in the central spring 9 is converted into interior ability with a part of impact kinetic energy.In sum, the utility model can get up impact kinetic energy with the various forms energy storage, and a part absorbs, and a part discharges as the energy that the utility model resets.
Magnetorheological damping core body 10 is to utilize the shearing valve type magneto-rheological damping core body of magnetic rheological liquid for medium; Magnetic rheological liquid is a kind of by the small soft magnetic particles of high magnetic permeability, low magnetic hysteresis property and the soft grain of the magnetic suspension that the non-magnetizer liquid mixing forms; This suspension demonstrates high viscosity, lazy flow under the strong magnetic field action that two permanent magnets 13 form.The characteristics of magnetorheological damping core body comprise: the damping force that (1) continuous reversible changes; (2) extraordinary stability and durability; (3) simple in structure; (4) long service life.
Above-mentioned each embodiment only is used to explain the utility model; Wherein the structure of each parts, Placement etc. all can change to some extent; Every equivalents of on the basis of the utility model technological scheme, carrying out and improvement all should not got rid of outside the protection domain of the utility model.
Claims (5)
1. friction magnetorheological damping buffer, it is characterized in that: it comprises a casing, said casing one end successively is symmetrically arranged with two outer fixing plates, two with lower wall to the center from upper side wall respectively and moves plates, two fixedly swash plate and two voussoirs; Front end between said two voussoirs is provided with a center wedge, is provided with a supporting base in the said casing of the rear end between said two voussoirs, and is provided with a return spring between the said center wedge of said two voussoirs inboard and the supporting base; Be provided with a central spring in the casing of said supporting base rear end, the other end of said central spring is arranged on the rear sidewall of said casing, is provided with the magnetorheological damping core body in the said central spring; The rear end of said supporting base, the above and below of said central spring are respectively arranged with one jiao of spring seat, and the two ends of each angle spring seat respectively are provided with one jiao of spring; Two said angles, top spring rear end, and two said angles, bottom spring rear end all is arranged on the rear sidewall of said casing; Between the spring of two said angles, top; And be provided with a permanent magnet between the spring of two said angles, bottom; One end correspondence of upper and lower two said permanent magnets is arranged on the boss of the upper and lower sidewall of said casing, and the other end all is arranged on the rear sidewall of said casing.
2. a kind of friction magnetorheological damping buffer as claimed in claim 1 is characterized in that: on said two voussoirs, be respectively arranged with a groove with the contacting point of the said fixedly swash plate of a corresponding side, be respectively arranged with a copper bar in the two said grooves.
3. a kind of friction magnetorheological damping buffer as claimed in claim 1 is characterized in that: be respectively arranged with the short pin-and-hole of a preshrunk on the said center wedge of two contacting points of said center wedge and said wall box and the casing.
4. a kind of friction magnetorheological damping buffer as claimed in claim 2 is characterized in that: be respectively arranged with the short pin-and-hole of a preshrunk on the said center wedge of two contacting points of said center wedge and said wall box and the casing.
5. like claim 1 or 2 or 3 or 4 described a kind of friction magnetorheological damping buffers; It is characterized in that: the upper and lower contact jaw of said supporting base and said central spring; Be respectively arranged with outstanding two-stage step, corresponding respectively contact central spring of said two-stage step and magnetorheological damping core body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202330309U CN202118180U (en) | 2011-07-01 | 2011-07-01 | Friction magneto-rheological damping buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202330309U CN202118180U (en) | 2011-07-01 | 2011-07-01 | Friction magneto-rheological damping buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202118180U true CN202118180U (en) | 2012-01-18 |
Family
ID=45459247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202330309U Expired - Lifetime CN202118180U (en) | 2011-07-01 | 2011-07-01 | Friction magneto-rheological damping buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202118180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482108A (en) * | 2014-12-05 | 2015-04-01 | 国家电网公司 | Centering friction damper special for column-type electrical equipment |
-
2011
- 2011-07-01 CN CN2011202330309U patent/CN202118180U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482108A (en) * | 2014-12-05 | 2015-04-01 | 国家电网公司 | Centering friction damper special for column-type electrical equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100072 Beijing city Fengtai District Zhang Guozhuang No. 1 Patentee after: CRRC BEIJING ERQI VEHICLE Co.,Ltd. Address before: 100072 Beijing city Fengtai District Zhang Guozhuang No. 1 Patentee before: CSR Erqi Vehicle Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190717 Address after: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee after: CRRC QIQIHAR ROLLING STOCK Co.,Ltd. Address before: 100072 Beijing city Fengtai District Zhang Guozhuang No. 1 Patentee before: CRRC BEIJING ERQI VEHICLE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |
|
| CX01 | Expiry of patent term |