CN102358103A - Train wheel silencer - Google Patents
Train wheel silencer Download PDFInfo
- Publication number
- CN102358103A CN102358103A CN2011102411809A CN201110241180A CN102358103A CN 102358103 A CN102358103 A CN 102358103A CN 2011102411809 A CN2011102411809 A CN 2011102411809A CN 201110241180 A CN201110241180 A CN 201110241180A CN 102358103 A CN102358103 A CN 102358103A
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- locating dowel
- dowel pin
- noise reduction
- cam
- damping ring
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Abstract
The invention discloses a train wheel silencer which is characterized in that two sides of a wheel spoke plate (3) are provided with silence damping rings (1), the inner sides of the silence damping rings (1), facing towards the spoke plate, are adhered with silence shock-absorbing foam (2) which is attached on the wheel spoke plate, and the silence damping rings (1) are provided with silence holes (10). The train wheel silencer can be used for better absorbing vibration of a wheel, and can also be used for better absorbing noise near the wheel with good silence effect, and is convenient for disassembly and assembly as well as replacement and maintenance.
Description
Technical field
The present invention relates to train noise reduction technical field.
Background technology
According to estimates; 70% above train operation noise; Relevant with the contact impact at random of wheel-track; Comprise that mainly the irregular impact that causes of wheel-rail contact pattern, wheel-rail contact-sliding, track geometry irregular (track switch, rail joint) and the motion transient state that the irregular transient motion that causes of circuit changes, braking causes change with the wheel-rail friction slippage etc., relate to factors such as impulsive force, attack time, vibration intensity, sound delivery context.The environmental noise of the CRH2 EMUs of speed 300km/h size and the testing result that distributes show, noise reaches 7dB (A) intensity when far away apart from 130m, and the near the ground of noise trailing wheel-rail contact partly is descending distribution to the vehicle upper bow net.Noise not only impacts the external environment condition of train process, also influences the traveling comfort that train is taken simultaneously.One of noise reduction comprehensive scientific and technological problem that to be world's field of track traffic receive much attention how.
Existing wheel sound arrester mainly contains plate hole damping structure [Jones CJC, Edwards JW:In Proceedings of Internoise 96, Liverpool, 1996, pp.403-408; Guccia L:Report RVA/LG/roult/c/970729,1997] and annular damped ring structure [Hemsworth B, Jones RRK:Final report, ERRI, Utrecht, The Netherlands, 2000; Guccia L:Report RVA/LG/roult/c/970729,1997] 2 kinds.
Plate hole damping structure not only action effect is relatively poor, can only reduce noise 4～6dB, simultaneously wheel strength at repeated alternation and life-span is had obvious influence, and a lot of 840D wheel webs hole CRACKING ACCIDENT took place in about 2007 once in China.Annular damped ring structure fits tightly the absorbing damping material on wheel web through damped ring.Its absorbing effect is better, but because the resistance circle is not with holes, the outer noise of wheel can't be absorbed by the absorbing damping material, and erasure effect is poor; And the connection structure of resistance circle and wheel is complicated, removes and installs inconvenience.
Summary of the invention
The objective of the invention is to improve a kind of train wheel sound arrester, this kind wheel sound arrester can absorb the vibration of wheel preferably, can absorb near the noise of wheel again preferably, good muffling effect; And it removes and installs conveniently, is convenient to change safeguard.
The present invention realizes that the technical scheme that its goal of the invention adopts is; A kind of train wheel sound arrester; Its composition is: the both sides of wheel web are equipped with the noise reduction damping ring, and the noise reduction damping ring is pasted with noise reduction absorbing foam towards the inboard of disc, and noise reduction absorbing foam is fitted on the wheel web; The noise reduction damping ring is provided with bloop
Compared with prior art, the invention has the beneficial effects as follows:
The noise reduction damping ring is provided with bloop, and near the noise the wheel can get into noise reduction absorbing foam smoothly through bloop, and then is absorbed its good muffling effect by noise reduction absorbing foam; Noise reduction absorbing foam is fitted on the wheel web, also can produce excellent vibration damping effect; Change noise reduction damping ring and the sticking card noise reduction absorbing foam on it, can realize the renewal of sound arrester, easy to maintenance.
The concrete structure that above-mentioned noise reduction damping ring is installed on the wheel web is: the inboard of noise reduction damping ring is provided with the locating dowel pin tube radially more than 3; Be sheathed with locating dowel pin in the locating dowel pin tube, fit retracing spring again on the locating dowel pin; The afterbody of locating dowel pin tube is provided with two braced wings; On two braced wings positioning cam is installed; The locating dowel pin barrel of positioning cam rotation working direction extends to form the cam postive stop baffle to afterbody; When the positioning cam in the locating dowel pin tube rotated to the cam limiting block, locating dowel pin stretched out, and cooperated on the location key seat on the wheel web outer rim; The outboard end of positioning cam axle is prism-shaped, and stretches out the locating dowel pin tube, the camshaft hole on the noise reduction damping ring.
Like this, during installation the locating dowel pin on the noise reduction damping ring is aimed at the location key seat on the wheel web outer rim, the socket wrench of the external side end shape adaptation of use and positioning cam axle; Turn the positioning cam axle; Make the positioning cam rotation, positioning cam compression reseting spring, promotion locating dowel pin make locating dowel pin insert location key seat gradually; Reach the maximum functional stroke of positioning cam, locating dowel pin reaches the limit of the position; Positioning cam rotates into the coasting journey stage afterwards, and alignment pin position is constant; When the postive stop baffle on the locating dowel pin tube was run in the positioning cam rotation, positioning cam got into self-locking state; Take off socket wrench, accomplish and install.
During dismounting, use socket wrench, carry out above reverse operating, can with the noise reduction damping ring and on noise reduction absorbing foam pull down from wheel.
It is thus clear that, this cam-type resistance ring mounting structure of the present invention, its installing/dismounting and convenient, and car wheel structure do not had any damage.
The concrete structure that above-mentioned noise reduction damping ring is installed on the wheel web is: the inboard of noise reduction damping ring is provided with the two locating dowel pin tubes radially more than 3; Be sheathed with two opposing locating dowel pins in two locating dowel pin tubes, fit retracing spring again on the locating dowel pin; The two walls fluting that the middle part of two locating dowel pin tubes is relative; Remaining barrel forms two braced wings; On two braced wings the double flange cam is installed, the barrel of two locating dowel pin tubes middle part one fluting extends to form the cam postive stop baffle to the middle part, when a flange of the double flange cam in two locating dowel pin tubes rotates to the cam postive stop baffle; Two locating dowel pins stretch out, respectively with the wheel web outer rim on location key seat and the location key seat on the wheel web inner edge on cooperate; The outboard end of double flange camshaft is prism-shaped, and stretches out the locating dowel pin tube, the camshaft hole on the noise reduction damping ring.
Like this; During installation the locating dowel pin on the noise reduction damping ring is aimed at the location key seat on the inside and outside edge of wheel web, the socket wrench of the external side end shape adaptation of use and double flange camshaft turns the double flange camshaft; Make the rotation of double flange cam; Two flanges of double flange cam two retracing springs, two locating dowel pins of promotion respectively insert on the wheel web outer rim respectively and the location key seat on the inner edge gradually, reach the maximum functional stroke of double flange cam, and two locating dowel pins reach the limit of the position; The double flange cam rotates into the coasting journey stage afterwards, and alignment pin position is constant; When the postive stop baffle on two locating dowel pin tubes was run in the rotation of double flange cam, the double flange cam got into self-locking state; Take off socket wrench, accomplish and install.
During dismounting, use socket wrench, carry out above reverse operating, can with the noise reduction damping ring and on noise reduction absorbing foam pull down from wheel.
It is thus clear that, this double flange cam-type resistance ring connection structure of the present invention, its installing/dismounting is also extremely convenient, helps the repairing and the replacing of noise reduction absorbing foam and noise reduction damping ring.And the wheel web agent structure is not had any damage, and the cam-type resistance ring mounting structure than above all is located by connecting a little on the inside and outside edge of its wheel web, and the resistance ring is more firm with being connected of wheel web, but structure is also more complicated.
The inboard noise reduction absorbing foam of pasting of above-mentioned described noise reduction damping ring is 3～6 fan-shaped foams.
Like this, can more easily noise reduction absorbing foam be sticked on the noise reduction damping ring, also make things convenient for the gap between each fan-shaped foam that cam-type or double flange cam-type resistance ring connection structure are set simultaneously.
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done a step explanation.
Description of drawings
Fig. 1 is the blast structural representation that embodiment one dwindles.
Fig. 2 is the wheel web the first half of embodiment one and the sectional structure scheme drawing of relevant parts thereof.
Fig. 3 is the perspective view of locating dowel pin tube and the interior parts of tube of embodiment one.
Fig. 4 is that the right direction of Fig. 3 is analysed and observe (staying left-half) structural representation.
Fig. 5 is the wheel web the first half of embodiment two and the sectional structure scheme drawing of relevant parts thereof.
The specific embodiment
Embodiment one
Fig. 1, Fig. 2 illustrate; A kind of specific embodiment of the present invention is; A kind of train wheel sound arrester; Its composition is: the both sides of wheel web 3 are equipped with noise reduction damping ring 1, and noise reduction damping ring 1 is pasted with noise reduction absorbing foam 2 towards the inboard of wheel web 3, and noise reduction absorbing foam 2 is fitted on the wheel web; Noise reduction damping ring 1 is provided with bloop 10.
Fig. 1-4 illustrates, and the concrete structure that this routine noise reduction damping ring 1 is installed on the wheel web 3 is: the inboard of noise reduction damping ring 1 is provided with the locating dowel pin tube 5 radially more than 3; Be sheathed with locating dowel pin 4 in the locating dowel pin tube 5, fit retracing spring 7 again on the locating dowel pin 4; The afterbody of locating dowel pin tube 5 is provided with two braced wings; On two braced wings positioning cam 6 is installed; Locating dowel pin tube 5 walls of positioning cam 6 rotation working direction extend to form cam postive stop baffle 8 to afterbody; When the positioning cams 6 in the locating dowel pin tube 5 rotated to cam limiting block 8, locating dowel pin 4 stretched out, and cooperated on the location key seat 12 on the wheel web outer rim; The outboard end 13 that positioning cam is 6 is prism-shaped, and stretches out locating dowel pin tube 5, the camshaft hole 11 on the noise reduction damping ring 1.
Fig. 1 illustrates, and this routine noise reduction damping ring 1 inboard noise reduction absorbing foam 2 of pasting is the fan-shaped foam more than 3.The fan-shaped foam that Fig. 1 draws is 3, when reality is implemented, obviously can be 4,5,6,8,10,12 etc.
Embodiment two
Fig. 5 illustrates, and the structure of structure that this is routine and embodiment one is basic identical, different only be:
The concrete structure that noise reduction damping ring 1 is installed on the wheel web 3 is: the inboard of noise reduction damping ring 1 is provided with the two locating dowel pin tubes 5 ' radially more than 3; Be sheathed with two opposing locating dowel pins 4 in two locating dowel pin tubes 5 ', fit retracing spring 7 again on the locating dowel pin 4; The two walls fluting that the middle part of two locating dowel pin tubes 5 ' is relative; Remaining barrel forms two braced wings; On two braced wings double flange cam 6 ' is installed, the barrel of two locating dowel pin tubes 5 ' middle part one fluting extends to form the cam postive stop baffle to the middle part, when a flange of the double flange cam 6 ' in two locating dowel pin tubes 5 ' rotates to the cam postive stop baffle; Two locating dowel pins 4 stretch out, respectively with the wheel web outer rim on location key seat 12 and wheel web inner edge on location key seat 12 ' on cooperate; The outboard end 13 that the double flange cam is 6 ' is prism-shaped, and stretches out locating dowel pin tube 5, the camshaft hole 11 on the noise reduction damping ring 1.
Claims (4)
1. train wheel sound arrester, its composition is: the both sides of wheel web (3) are equipped with noise reduction damping ring (1), and noise reduction damping ring (1) is pasted with noise reduction absorbing foam (2) towards the inboard of disc, and noise reduction absorbing foam (2) is fitted on the wheel web (3); Noise reduction damping ring (1) is provided with bloop (10).
2. a kind of train wheel sound arrester according to claim 1 is characterized in that, the concrete structure that said noise reduction damping ring (1) is installed on the wheel web (3) is: the inboard of noise reduction damping ring (1) is provided with the locating dowel pin tube (5) radially more than 3; Be sheathed with locating dowel pin (4) in the locating dowel pin tube (5), fit retracing spring (7) again on the locating dowel pin (4); The afterbody of locating dowel pin tube (5) is provided with two braced wings; Positioning cam (6) is installed on two braced wings; Locating dowel pin tube (5) wall of positioning cam (6) rotation working direction extends to form cam postive stop baffle (8) to afterbody; When the positioning cam (6) in the locating dowel pin tube (5) rotated to cam limiting block (8), locating dowel pin (4) stretched out, and cooperated on the location key seat (12) on the wheel web outer rim; The outboard end (13) of positioning cam (6) axle is prism-shaped, and stretches out locating dowel pin tube (5), the camshaft hole (11) on the noise reduction damping ring (1).
3. a kind of train wheel sound arrester according to claim 1 is characterized in that, the concrete structure that said noise reduction damping ring (1) is installed on the wheel web (3) is: the inboard of noise reduction damping ring (1) is provided with the two locating dowel pin tubes (5 ') radially more than 3; Be sheathed with two opposing locating dowel pins (4) in two locating dowel pin tubes (5 '), fit retracing spring (7) again on the locating dowel pin (4); The two walls fluting that the middle part of two locating dowel pin tubes (5 ') is relative; Remaining barrel forms two braced wings; On two braced wings double flange cam (6 ') is installed; The barrel of two locating dowel pin tubes (5 ') middle part one fluting extends to form the cam postive stop baffle to the middle part; When one flange of the double flange cam (6 ') in two locating dowel pin tubes (5 ') rotated to the cam postive stop baffle, two locating dowel pins (4) stretched out, respectively with the wheel web outer rim on location key seat (12) and the location key seat (12 ') on the wheel web inner edge on cooperate; The outboard end (13) of double flange cam (6 ') axle is prism-shaped, and stretches out locating dowel pin tube (5), the camshaft hole (11) on the noise reduction damping ring (1).
4. a kind of train wheel sound arrester according to claim 1 is characterized in that, the inboard noise reduction absorbing foam of pasting (2) of described noise reduction damping ring (1) is 3～6 fan-shaped foams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110241180 CN102358103B (en) | 2011-08-22 | 2011-08-22 | Train wheel silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110241180 CN102358103B (en) | 2011-08-22 | 2011-08-22 | Train wheel silencer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102358103A true CN102358103A (en) | 2012-02-22 |
| CN102358103B CN102358103B (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110241180 Expired - Fee Related CN102358103B (en) | 2011-08-22 | 2011-08-22 | Train wheel silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102358103B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410950A (en) * | 2013-02-05 | 2013-11-27 | 景智电子股份有限公司 | transmission wheel and transmission wheel system |
| CN105564145A (en) * | 2016-01-08 | 2016-05-11 | 大连理工大学 | High-frequency noise reduction restraining and damping wheel containing slits |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201456921U (en) * | 2009-05-18 | 2010-05-12 | 哈尔滨通达工业环保自动化有限公司 | Adhesive wheel noise reduction disc |
| CN101712259A (en) * | 2009-11-13 | 2010-05-26 | 西南交通大学 | Noise-reduction damping device of train wheel |
| CN201597385U (en) * | 2010-01-14 | 2010-10-06 | 普光新高（北京）技术开发有限公司 | Device for reducing noise of wheel tracks and wheel adopting same |
| CN201800444U (en) * | 2010-09-14 | 2011-04-20 | 南车南京浦镇车辆有限公司 | Noise reduction wheel being suitable for urban subway transportation vehicle |
| CN202242767U (en) * | 2011-08-22 | 2012-05-30 | 西南交通大学 | Noise reduction equipment for train wheel |
-
2011
- 2011-08-22 CN CN 201110241180 patent/CN102358103B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201456921U (en) * | 2009-05-18 | 2010-05-12 | 哈尔滨通达工业环保自动化有限公司 | Adhesive wheel noise reduction disc |
| CN101712259A (en) * | 2009-11-13 | 2010-05-26 | 西南交通大学 | Noise-reduction damping device of train wheel |
| CN201597385U (en) * | 2010-01-14 | 2010-10-06 | 普光新高（北京）技术开发有限公司 | Device for reducing noise of wheel tracks and wheel adopting same |
| CN201800444U (en) * | 2010-09-14 | 2011-04-20 | 南车南京浦镇车辆有限公司 | Noise reduction wheel being suitable for urban subway transportation vehicle |
| CN202242767U (en) * | 2011-08-22 | 2012-05-30 | 西南交通大学 | Noise reduction equipment for train wheel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410950A (en) * | 2013-02-05 | 2013-11-27 | 景智电子股份有限公司 | transmission wheel and transmission wheel system |
| CN105564145A (en) * | 2016-01-08 | 2016-05-11 | 大连理工大学 | High-frequency noise reduction restraining and damping wheel containing slits |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102358103B (en) | 2013-10-16 |
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Granted publication date: 20131016 Termination date: 20210822 |
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| CF01 | Termination of patent right due to non-payment of annual fee |