CN2590820Y - Common unit brakes for rail-engine and vehicle use - Google Patents
Common unit brakes for rail-engine and vehicle use Download PDFInfo
- Publication number
- CN2590820Y CN2590820Y CN 02257916 CN02257916U CN2590820Y CN 2590820 Y CN2590820 Y CN 2590820Y CN 02257916 CN02257916 CN 02257916 CN 02257916 U CN02257916 U CN 02257916U CN 2590820 Y CN2590820 Y CN 2590820Y
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- China
- Prior art keywords
- piston
- leading screw
- composition
- cylinder body
- block
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- Expired - Fee Related
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Abstract
The utility model relates to a common unit brake for rail traffic engines and vehicles, which particularly relates to a brake assisting system unit braking device of various engines and vehicles of railway engines, the vehicles, motor train units, high speed trains, tilting trains, city light rail vehicles, railway vehicles, etc. The structure of the utility model comprises a piston assembly, a cylinder body assembly, a back cover assembly, a piston push shield assembly, a screw rod assembly, a guiding nut assembly, an adjustment nut assembly and a brake block holder assembly. The utility model is characterized in that the piston assembly is provided with a piston, a piston device is provided with a sealing ring and a guide ring, and a piston two-wing device is provided with a piston wedge which is assembled between a group of front needle bearings and a group of back needle bearings, and a needle bearing mounting center and a front needle bearing mounting center have eccentric distance.
Description
Technical field
What the utility model track traffic related to locomotive, vehicle common elements drg is a kind of system association system element brake equipment that is applicable to various kinds of vehicles vehicles such as railway locomotive, vehicle, motor train unit, high speed train, pendulum train, Urban Light Rail Vehicle, railcar.
Background technology
The current track traffic is faced directly and front and back needle bearing contact surface square without acceptance of persons with piston wedge in locomotive, the vehicle common elements drg design-calculated structure, thereby after being subjected to air pressure, piston produces eccentric throw, no reaction moment balance, thereby make tilting of the piston cause rubber seal and polytetrafluorethyleguide guide ring and cylinder body to produce bigger friction resisting moment, reduced the horizontal output power of drg.
Summary of the invention
The purpose of this utility model is track traffic locomotive, the vehicle common elements drg that a kind of novelty is provided at above-mentioned weak point, adopt the common elements brake plunger tiltedly to face directly and back needle bearing contact surface design migration technology, center with back needle bearing contact on cylinder body commonly used moves down, make back needle bearing mounting center and preceding needle bearing mounting center have certain eccentric throw, produce the moment of reaction, prevented the piston deflection, the resistance of reducing friction has improved the horizontal output power of drg.
Track traffic takes following scheme to realize with locomotive, vehicle common elements drg: track traffic comprises that with locomotive, vehicle common elements brake structural piston composition, cylinder body composition, bonnet composition, piston push and block composition, leading screw are formed, guiding nut is formed, adjustment nut is formed, brake head is formed.
The piston composition has piston, and piston apparatus has seal ring, guide ring, and piston two swing devices have the piston wedge, and the piston composition is assemblied in the cylinder body composition, is used to transmit pressure air.
The cylinder body composition has the smart casting of high-strength cast steel cylinder body, and the cylinder sleeve of packing in the cylinder body cooperates with piston, there is the large and small hole of level to cooperate in the cylinder body with piston barrel, force-bearing pin magnesium iron cover is housed in the aperture both sides, needle bearing is housed on force-bearing pin, it is characterized in that playing the antagonistic force that bears braking.
The bonnet composition is assemblied in the cylinder body outside, has the good forging bonnet of air-tightness, with air inlet base assembly welding, plays the sealing of bonnet and the effect of pressure air import.
The piston push and block are formed to be assemblied in the cylinder body and are connected with piston barrel.Piston push and block composition has the piston push and block, piston push and block upper end circle navel device has the tower spring, needle bearing before being equipped with one group on the axle journal of piston push and block two ends, needle bearing is fixedly mounted on the needle roller bearing support seat of back after one group, the piston wedge is assemblied in before one group behind needle bearing and one group between the needle bearing, back needle bearing mounting center and preceding needle bearing mounting center have eccentric throw, have improved drg horizontal output power.The back-up ring and the shaft block ring endoporus conical surface cooperate with the piston barrel male cone (strobilus masculinus).When the piston cammed surface acts on the needle bearing outer ring, promote piston barrel by the conical surface.
Leading screw is formed in interior guiding nut of the piston barrel that is assemblied in cylinder body and the adjustment nut hole.Leading screw is formed and is comprised leading screw, leading screw head, leading screw contiguous block, spring, back-up ring, shaft block ring, binding bolt, anti-turning pad.Leading screw is assemblied in the piston push and block cover.When manual rotating threaded shaft connects, can make the leading screw elongation and shorten, in order to the gap of adjusting brake shoe and wheel.
The guiding nut composition is contained between piston barrel and the leading screw.Guiding nut is formed and is comprised guiding nut, guiding buting iron, spring, thrust bearing, shaft block ring.Play braking force and the effect of adjusting the brake shoe abrasion loss of transmitting.
The adjustment nut composition is contained between piston barrel and the leading screw.Adjustment nut is formed and is comprised adjustment nut, adjusting switch, spring chair, spring, thrust bearing, shaft block ring.The adjustment nut component devices plays the corrective action of brake shoe abrasion loss in the leading screw front portion.
Brake head is formed and to be comprised that brake head, holder are hung, upper and lower bolt, wear-resistant sleeve, nylon cushion, support slipper, butterfly spring, sheet spring, bonnet.Bolt is used with cylinder body in brake head upper end, and the brake head middle part is connected with leading screw, and the brake head component devices is formed front end at leading screw, can be freely after brake head is stressed and the slip of back-up block cambered surface generation arc, be subjected to other strength behind the axial force in order to the elimination leading screw.
Principle of work: pressure air, inflation, maintenance and exhaust by locomotive solenoid operated brake pipe have three active positions respectively, are service application position, pressurize position and alleviation position.
Service application position: bonnet ventilation inlet commonly used is inflated, entered to locomotive to brake pipe, pressure air promotes piston and moves, making the piston cammed surface promote the piston push and block is moved to the left with piston barrel, yet driving guiding nut, leading screw, adjustment nut and brake head by piston barrel forms together and is moved to the left, till brake shoe and flanging, be in service application position.
The pressurize position: locomotive operation brake pipe inflation pressure air keeps not increasing when not subtracting, and this moment, drg was the service lap position.
Alleviate the position: the pressure air by the locomotive operation brake pipe is arranged when atmosphere is zero.Because of the pressure air of piston upside has arranged zero, this moment, piston was subjected to the elastic force effect of tower spring to reset to original alleviation position, and piston barrel push and block simultaneously, leading screw composition and brake head are formed the elastic force effect that is subjected to restoring spring and also got back to original alleviation position.
Track traffic locomotive, vehicle common elements drg design advantage:
1, since the piston wedge be assemblied in before one group behind needle bearing and one group between the needle bearing, back needle bearing mounting center and preceding needle bearing mounting center have eccentric throw, this structural development is the main inventive point of present patent application, improves and has improved brake shoe thrust commonly used.
2, has the unidirectional automatic compensation function of brake clearance.
3, have commonly used, emergency braking raising braking force, Wedge mechanism function.
4, has can freely swing after the stressed function of adjusting mechanism of brake head.
5, has the function of changing brake block hand adjustment leading screw length mechanism.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing.
Fig. 1 is track traffic locomotive, vehicle common elements brake structural scheme drawing.
Fig. 2 is track traffic locomotive, vehicle common elements brake structural A-A cutaway view.
Fig. 3 is track traffic with locomotive, the vehicle common elements drg power output fundamental diagram of improving the standard.
The specific embodiment
With reference to accompanying drawing 1～3, track traffic comprises that with locomotive, vehicle common elements brake structural piston composition, cylinder body composition, bonnet composition, piston push and block composition, leading screw are formed, guiding nut is formed, adjustment nut is formed, brake head is formed.
The piston composition has piston 3, and piston 3 devices have seal ring 7, guide ring 8, and piston two swing devices have piston wedge 9, and the piston composition is assemblied in the cylinder body composition, is used to transmit pressure air.
The cylinder body composition has the smart casting of high-strength cast steel cylinder body 2, and the cylinder sleeve 1 of packing in the cylinder body cooperates with piston 3, there is the large and small hole of level to cooperate in the cylinder body 2 with piston barrel 14, force-bearing pin magnesium iron cover is housed in the aperture both sides, needle bearing is housed on force-bearing pin, it is characterized in that playing the antagonistic force that bears braking.In piston barrel 14 outer cover retracing spring 13 is housed.
The bonnet composition is assemblied in cylinder body 2 outsides, has the good forging bonnet 4 of air-tightness, with air inlet base 6 assembly weldings, plays the sealing of bonnet and the effect of pressure air import.
The piston push and block are formed to be assemblied in the cylinder body 2 and are connected with piston barrel 14, piston push and block composition has piston push and block 5, piston push and block 5 upper ends circle navel device has tower spring 10, needle bearing 11 before being equipped with one group on the axle journal of piston push and block two ends, needle bearing 12 is fixedly mounted on the back needle roller bearing support seat 27 after one group, piston wedge 9 is assemblied in before one group behind needle bearing 11 and one group between the needle bearing 12, back needle bearing mounting center and preceding needle bearing mounting center have eccentric throw, have improved drg horizontal output power.The back-up ring and the shaft block ring endoporus conical surface cooperate with piston barrel 14 male cone (strobilus masculinus)s.When the piston cammed surface acts on the needle bearing outer ring, promote piston barrel by the conical surface.
Leading screw is formed in interior guiding nut of the piston barrel that is assemblied in cylinder body and the adjustment nut hole, and leading screw is formed and comprised leading screw 35, leading screw head 22, leading screw contiguous block 19, spring 20, back-up ring 34, shaft block ring, binding bolt, anti-turning pad.Leading screw is assemblied in the piston push and block cover.22 1 on leading screw head is connected with leading screw 35 assembly weldings, and the other end adopts binding bolt 21 to be connected with leading screw contiguous block 19, and connecting portion is equipped with anti-turning pad, and spring 20, back-up ring 34, shaft block ring are assemblied in the leading screw contiguous block.When manual rotating threaded shaft connects, can make the leading screw elongation and shorten, in order to the gap of adjusting brake shoe and wheel.
The guiding nut composition is contained between piston barrel and the leading screw, and guiding nut is formed and comprised guiding nut 29, guiding buting iron 24, spring 28, thrust bearing 25, shaft block ring 26.Guiding buting iron 24 is contained on the guiding nut 29, outside the guiding buting iron 24 spring 28, shaft block ring, thrust bearing is housed, and plays braking force and the effect of adjusting the brake shoe abrasion loss of transmitting.
The adjustment nut composition is contained between piston barrel and the leading screw, and adjustment nut is formed and comprised adjustment nut 33, adjusting switch 23, spring chair 32, spring 31, thrust bearing 30, shaft block ring.The adjustment nut component devices plays the corrective action of brake shoe abrasion loss in the leading screw front portion.Adjusting switch 23 is contained on the adjustment nut 33, and spring 31, thrust bearing 30, shaft block ring are housed on adjusting switch 23.
Brake head is formed and to be comprised that brake head 15, holder are hung 16, gone up bolt 40, bolt 17, wear-resistant sleeve 18, nylon cushion, support slipper 39, butterfly spring 38, sheet spring 37, bonnet 36 down.It is fixing that brake head 15 upper ends and cylinder body 2 are used bolt 40, and the brake head middle part is connected with leading screw 35.The brake head component devices is formed front end at leading screw, can be freely after brake head is stressed slides with back-up block 39 cambered surface generation arcs, is subjected to other strength behind the axial force in order to eliminating leading screw.
With reference to accompanying drawing 3, track traffic is with locomotive, the vehicle common elements drg power output principle of work of improving the standard: needle bearing 11 and back needle bearing 12 off centerings before utilizing, produce the moment of reaction, make applied moment balance substantially, when the piston perpendicular movement, prevent piston 3 deflections, eliminated seal ring 7 and guide ring 8 produces resisting moment on cylinder body 2, thereby improved the horizontal output power of drg.Advantage: prevent tilting of the piston, reduce resistance, improved the horizontal output power of drg.The applied moment ≈ moment of reaction
Calculate:
Known conditions:
Be commonly used for and use air pressure P=450Kpa=45Kg/cm
2
Piston action area: A=(π/4) d
2=π/4 (17.8)
2=248.72cm
2
Piston is application force downward vertically: P=p * A=4.5 * 248.72=1119.24Kg
The horizontal thrust that piston wedge 9 contacts with preceding needle bearing 11: P '
Vertical power before the piston wedge acts on the needle bearing: P
1
Piston wedge angle: α=19 °
Ask P '
P’＝(y×pl-F
K)×U×V-Fr
Y: reservoir area
Pl: air pressure
F
K: piston recovers spring force
V: efficient
U: ratio (function of piston wedge angle)
Fr: from the outside and inner power of recovering spring
P ' (drawing)=2441.65Kg according to formula
Ask P
1
P
1＝841.948Kg
M
Do=841.949 * (35-10)=21048.725Kg.mm
Back needle bearing center eccentric throw X=M
Do÷ 2441.65=8.6
Because piston moves down, preceding needle bearing is also thereupon toward moving left, so its applied moment is a variable, and when current needle bearing moved 10mm, horizontal applied force was 2441.65Kg just, thus this moment applied moment and the moment of reaction should be in a basic balance.
M
Do≈ M
InsteadSo piston can not tilt, and has reduced resistance, improved horizontal output power.
Data according to measuration can be learnt:
Back needle bearing is level actual measurement power the P '=17.86KN of distance without acceptance of persons
Back needle bearing center eccentric throw is level actual measurement power P '=22.264KN of 7mm
The not eccentric horizontal force improvement value of eccentricity ratio: 4.4KN
The not eccentric horizontal force of eccentricity ratio improves percentage: 24.6%
Claims (6)
1, a kind of track traffic comprises that with locomotive, vehicle common elements drg piston composition, cylinder body composition, bonnet composition, piston push and block composition, leading screw are formed, guiding nut is formed, adjustment nut is formed, brake head is formed; The piston composition is assemblied in the cylinder body composition, the cylinder body composition has cylinder body, the cylinder sleeve of packing in the cylinder body, there is level big in the cylinder body, aperture cooperates with piston barrel, the bonnet composition is assemblied in the cylinder body outside, leading screw is formed in interior guiding nut of the piston barrel that is contained in cylinder body and the adjustment nut hole, the guiding nut composition is contained between piston barrel and the leading screw, the adjustment nut composition is contained between piston barrel and the leading screw, the brake head component devices is formed front end at leading screw, it is characterized in that the piston push and block are formed to be assemblied in the cylinder body is connected with piston barrel, piston push and block composition has the piston push and block, piston push and block upper end circle navel device has the tower spring, needle bearing before one group is housed on the axle journal of piston push and block two ends, and needle bearing after a group, back needle bearing are fixedly mounted on afterwards on the needle roller bearing support seat, the piston wedge is assemblied in before one group behind needle bearing and one group between the needle bearing, and back needle bearing mounting center and preceding needle bearing mounting center have eccentric throw.
2, track traffic according to claim 1 is characterized in that with locomotive, vehicle common elements drg the piston composition has piston, and piston apparatus has seal ring, guide ring, and piston two swing devices have the piston wedge.
3, track traffic according to claim 1 locomotive, vehicle common elements drg, it is characterized in that the leading screw composition comprises leading screw, leading screw head, leading screw contiguous block, spring, back-up ring, shaft block ring, binding bolt, anti-turning pad, the first head of leading screw is connected with the leading screw assembly welding, the other end adopts binding bolt to be connected with the leading screw contiguous block, Connection Block is equipped with anti-turning pad, and trip ring, shaft block ring are assemblied in the leading screw contiguous block.
4, track traffic according to claim 1 locomotive, vehicle common elements drg, it is characterized in that the guiding nut composition comprises guiding nut, guiding buting iron, spring, thrust bearing, shaft block ring, the guiding buting iron is contained on the guiding nut, and the guiding buting iron is equipped with spring, shaft block ring, thrust bearing outward.
5, track traffic according to claim 1 locomotive, vehicle common elements drg, it is characterized in that the adjustment nut composition comprises adjustment nut, adjusting switch, spring chair, spring, thrust bearing, shaft block ring, adjusting switch is contained on the adjustment nut, and spring, thrust bearing, shaft block ring are housed on adjusting switch.
6, track traffic according to claim 1 locomotive, vehicle common elements drg, it is characterized in that brake head is formed comprises that brake head, holder are hung, bolt, wear-resistant sleeve, nylon cushion, support slipper, butterfly spring, sheet spring, bonnet up and down, bolt is used with cylinder body in the brake head upper end, and the brake head middle part is connected with leading screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02257916 CN2590820Y (en) | 2002-10-22 | 2002-10-22 | Common unit brakes for rail-engine and vehicle use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02257916 CN2590820Y (en) | 2002-10-22 | 2002-10-22 | Common unit brakes for rail-engine and vehicle use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2590820Y true CN2590820Y (en) | 2003-12-10 |
Family
ID=33725772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02257916 Expired - Fee Related CN2590820Y (en) | 2002-10-22 | 2002-10-22 | Common unit brakes for rail-engine and vehicle use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2590820Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062249A (en) * | 2011-10-19 | 2013-04-24 | 三菱重工业株式会社 | Brake device |
| CN101439723B (en) * | 2008-12-29 | 2014-02-12 | 南车南京浦镇车辆有限公司 | Adaptive wheel tread break unit |
| CN109590788A (en) * | 2018-11-23 | 2019-04-09 | 常州创领机械有限公司 | A kind of processing technology of piston in CNC machine |
-
2002
- 2002-10-22 CN CN 02257916 patent/CN2590820Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101439723B (en) * | 2008-12-29 | 2014-02-12 | 南车南京浦镇车辆有限公司 | Adaptive wheel tread break unit |
| CN103062249A (en) * | 2011-10-19 | 2013-04-24 | 三菱重工业株式会社 | Brake device |
| CN109590788A (en) * | 2018-11-23 | 2019-04-09 | 常州创领机械有限公司 | A kind of processing technology of piston in CNC machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |