CN101797926A - Bogie - Google Patents
Bogie Download PDFInfo
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- CN101797926A CN101797926A CN 201010155671 CN201010155671A CN101797926A CN 101797926 A CN101797926 A CN 101797926A CN 201010155671 CN201010155671 CN 201010155671 CN 201010155671 A CN201010155671 A CN 201010155671A CN 101797926 A CN101797926 A CN 101797926A
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- spring
- wedge
- bogie truck
- bogie
- thimble
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Abstract
The invention provides a bogie, comprising a swing bolster, two side frames and four constant friction type dampers, wherein the two sides of the two ends of the swing bolster are respectively provided with an inclined wedge groove; the four constant friction type dampers are respectively arranged in the four inclined wedge grooves, and each constant friction type dampers comprises one inclined wedge and a damping spring; the damping spring is arranged in an inner cavity of the inclined wedge; one end of the damping spring butts against the top part of the inner cavity of the inclined wedge, and the other end thereof butts against a bottom plate of the inclined wedge groove, wherein the bogie also comprises four through holes and four ejectors which respectively correspond to the four constant friction type dampers; the through holes are arranged on the bottom plate, and the positions of the four through holes correspond to the positions where the damping springs butt against the bottom plate and a bearing spring of the bogie; and one end of the ejector penetrates into the damping spring, and the other end butts against the bearing spring by the through hole. The bogie solves the technical problems that in the prior art, the bogie keeps conform when a vehicle is empty-load or heavy-load due to deformation of the damping springs, thus improving the damping effect of the bogie.
Description
Technical field
The present invention relates to the railway machinery technical field, relate in particular to a kind of bogie truck.
Background technology
Bogie truck is as the significant components of railway car load, is those skilled in the art's striving direction to the dynamic performance research of bogie truck always.
Fig. 1 is for having a partial perspective view of the bogie truck of normal friction shock absorber in the prior art.Fig. 2 is for having another partial perspective view of the bogie truck of normal friction shock absorber in the prior art.Fig. 3 is for having the partial side view of the bogie truck of normal friction shock absorber in the prior art.In conjunction with Fig. 1, Fig. 2 and shown in Figure 3, bogie truck of the prior art comprises a bolster 11, side frames 12 and four normal friction shock absorbers, the both sides at the two ends of this bolster 11 are respectively arranged with a wedge groove 111, and the base plate 1111 of this wedge groove 111 is not communicated with bearing spring 14; Each normal friction shock absorber comprises a wedge 131, one damper spring 132, an one side frame column wearing plate 133 and a bolster inclined-plane wearing plate 134, wherein, wedge 131 is a cell body, wedge 131 is arranged in the wedge groove 111 and button is arranged on the base plate 1111, this damper spring 132 is arranged in the cell body, the top and the other end that the one end props up cell body prop up base plate 1111 and are in compressive state, side frame column wearing plate 133 is arranged on the bogie side frame 12 and offsets with the vertical plane of wedge 131, and bolster inclined-plane wearing plate 134 is arranged in the wedge groove 111 of bolster 11 and offsets with the inclined-plane of wedge 131.
When vehicle operating, because the action of gravity of empty wagons or loaded vehicle, bearing spring 14 carries out compressing with the up-down vibration of bolster 11 and produces spring load power; And snubber can be converted into the vertical supporting power of damper spring 132 the horizontal side pressure of 131 pairs of bogie side frames 12 of wedge and to the inclined-plane lateral pressure of wedge groove 111, makes the vertical plane of wedge 131 and inclined-plane respectively with side frame column wearing plate 133 and 134 frictions of bolster inclined-plane wearing plate and produce damping force again; And then can obtain the relative friction coefficient of this snubber by the ratio between damping force and the spring load power.This relative friction coefficient as well known to those skilled in the art is the important parameter that shock absorber is realized normal friction shock absorber effectiveness in vibration suppression, and when vehicle empty wagons or loaded vehicle, is goal in research it is maintained in the desirable number range.
Based on foregoing, the contriver is in the process of being engaged in this area production practice for a long time, though find that the inclined-plane of wedge 131 is bigger along the size of lateral direction of car, and guaranteed the diamond resistant rigidity of bogie truck, but because the deformation of damper spring 132 all is consistent when vehicle empty wagons or loaded vehicle, and make to borrow the damping force that its vertical supporting power produced constant always, finally make relative friction coefficient under the situation of empty wagons or loaded vehicle, can not maintain in the desirable number range, thereby reduced the effectiveness in vibration suppression of bogie truck.
Summary of the invention
The invention provides a kind of bogie truck, because the deformation of damper spring all is consistent, and reduced the technical matters of truck damping effect when vehicle empty wagons or loaded vehicle in order to solve in the prior art.
The invention provides a kind of bogie truck, comprise a bolster, side frames and four normal friction shock absorbers, the both sides at the two ends of described bolster are respectively arranged with a wedge groove, four described normal friction shock absorbers are arranged at respectively in the four described wedge grooves, and each described normal friction shock absorber comprises a wedge and a damper spring, described damper spring is arranged at the inner chamber of described wedge, and top, the other end that an end of this damper spring props up the inner chamber of described wedge prop up the base plate of described wedge groove, it is characterized in that, also comprise four-way hole and four thimbles; Described four-way hole and four thimbles correspond respectively to four normal friction shock absorbers;
Described through hole is arranged on the described base plate, and the position of described through hole on this base plate is corresponding to the position of base plate that this damper spring props up and the bearing spring of bogie truck;
One end of described thimble is arranged in the described damper spring, and the other end of described thimble props up described bearing spring by described through hole.
Bogie truck of the present invention is provided with through hole by the base plate at the wedge groove of bolster, and an end of thimble is arranged in the damper spring, and the other end of thimble props up the structure of bearing spring by this through hole; The vehicle complete vehicle curb condition leaves predeterminable range between the top of one end of this thimble and the inner chamber of wedge; Vehicle loaded vehicle state, to prop up the other end of this thimble, an end of this thimble props up the top of the inner chamber of wedge by the bearing spring compression; Solved in the prior art because the deformation of damper spring all is consistent when vehicle empty wagons or loaded vehicle, and reduced the technological deficiency of the effectiveness in vibration suppression of bogie truck, improved the effectiveness in vibration suppression of bogie truck.
Description of drawings
Fig. 1 is for having a partial perspective view of the bogie truck of normal friction shock absorber in the prior art;
Fig. 2 is for having another partial perspective view of the bogie truck of normal friction shock absorber in the prior art;
Fig. 3 is for having the partial side view of the bogie truck of normal friction shock absorber in the prior art;
Fig. 4 has a partial perspective view of the bogie truck of normal friction shock absorber for the present invention;
Fig. 5 has another partial perspective view of the bogie truck of normal friction shock absorber for the present invention;
Fig. 6 has the partial side view of the bogie truck of normal friction shock absorber for the present invention.
The specific embodiment
Embodiment one
Fig. 4 has a partial perspective view of the bogie truck of normal friction shock absorber for the present invention; Fig. 5 has another partial perspective view of the bogie truck of normal friction shock absorber for the present invention; Fig. 6 has the partial side view of the bogie truck of normal friction shock absorber for the present invention.Extremely shown in Figure 6 in conjunction with Fig. 1, the bogie truck that present embodiment has normal friction shock absorber improves based on the prior art structure, remove and comprise a bolster 11, side frames 12 and four normal friction shock absorbers, and each four normal friction shock absorber comprises a wedge 131, a damper spring 132, a side frame column wearing plate 133 and a bolster inclined-plane wearing plate 134 (annexation repeats no more particularly), this bogie truck also comprises four-way hole 1112 and four thimbles 15, and this four-way hole 1112 and four thimbles 15 correspond respectively to four normal friction shock absorbers;
The dependency structure of present embodiment bogie truck is described with one group of through hole 1112, thimble 15 and normal friction shock absorber, through hole 1112 is arranged on the base plate 1111 of bolster 11 included wedge grooves 111, and the position of through hole 1112 on this base plate 1111 is corresponding to the position of this damper spring 132 base plate that props up 1111 and the bearing spring 14 of bogie truck; One end of thimble 15 be arranged in the damper spring 132 and when empty wagons one end of thimble 15 and the top of wedge 131 inner chambers leave predeterminable range, and damper spring 132 is in compressive state always, the other end of thimble 15 props up bearing spring 14 by through hole 1112, particularly, this bearing spring 14 comprises inner spring and outer spring, and inner spring is embedded the inside that places outer spring, and the other end of thimble 15 can prop up inner spring and/or outer spring, and the other end of thimble 15 is specially and props up inner spring in the present embodiment.
In actual applications, when empty wagons, because the position of bolster 11 is higher and the length of thimble 15 less than the top of wedge 131 inner chambers distance to the end face of inner spring, therefore thimble 15 does not contact with the top of wedge 131 inner chambers, this moment is because thimble 15 is subjected to elastic force deficiency that inner spring makes progress so that a termination of thimble 15 contacts the top of wedge 131 inner chambers, the horizontal side pressure of 131 pairs of bogie side frames 12 of wedge and to the inclined-plane lateral pressure of wedge groove 111, only the vertical supporting power that is produced by compression by damper spring 132 transforms, and this vertical supporting power is provided with lessly and is suitable for complete vehicle curb condition;
When loaded vehicle, (the pillow spring comprises bearing spring 14 to all pillow springs of vehicle, bearing spring 14 is for being arranged at the part pillow spring of wedge 131 bottoms) weight of bearing from vehicle and goods moves down bolster 11, at this moment the top of wedge 131 inner chambers reduces gradually apart from the distance of the end face of inner spring, and make thimble 15 contact with the end face of wedge 131 inner chambers, this moment, inner spring can be compressed and vertical elastic support thimble 15, and by thimble 15 transmit and with damper spring 132 combineds action in the top of wedge 131 inner chambers, will increase a lot this moment when inner spring and the damper spring 132 common vertical supporting powers that produced by compression are than empty wagons, the horizontal side pressure of 131 pairs of bogie side frames 12 of wedge and the inclined-plane lateral pressure of wedge groove 111 also correspondingly increased correspondingly, thereby damping force is also increased simultaneously, adapted to the requirement under the loaded vehicle state.
The bogie truck of present embodiment, by base plate through hole is set at the wedge groove of bolster, one end of thimble is arranged in the damper spring, and the other end of thimble props up the structure of bearing spring by this through hole, the damper spring that is positioned on the bolster is combined with wedge, with respect to existing normal friction shock absorber, variation has taken place in the characteristic of the normal friction shock absorber of present embodiment, though only provide the vertical bearing force that is converted to damping force during empty wagons by damper spring, but provide the vertical bearing force that is converted to damping force jointly by damper spring and bearing spring during loaded vehicle, thereby adapted to sky, two kinds of situations of loaded vehicle, the relative friction coefficient that makes shock absorber is at sky, all can be near the ideal value under the loaded vehicle two states; And because the wedge in the present embodiment is the same with wedge of the prior art, wider width and not change, thereby stronger to the control effort of bogie side frame, bogie truck is had than large-diamond resistant rigidity; In sum, present embodiment has the desirable relative friction coefficient under sky, the loaded vehicle two states, has improved the effectiveness in vibration suppression of bogie truck, makes bogie truck have bigger diamond resistant rigidity again simultaneously.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (5)
1. bogie truck, comprise a bolster, side frames and four normal friction shock absorbers, the both sides at the two ends of described bolster are respectively arranged with a wedge groove, four described normal friction shock absorbers are arranged at respectively in the four described wedge grooves, and each described normal friction shock absorber comprises a wedge and a damper spring, described damper spring is arranged at the inner chamber of described wedge, and top, the other end that an end of this damper spring props up the inner chamber of described wedge prop up the base plate of described wedge groove, it is characterized in that, also comprise four-way hole and four thimbles; Described four-way hole and four thimbles correspond respectively to four normal friction shock absorbers;
Described through hole is arranged on the described base plate, and the position of described through hole on this base plate is corresponding to the position of base plate that this damper spring props up and the bearing spring of bogie truck;
One end of described thimble is arranged in the described damper spring, and the other end of described thimble props up described bearing spring by described through hole.
2. bogie truck according to claim 1 is characterized in that described bearing spring comprises inner spring and outer spring, and described inner spring is embedded the inside that places described outer spring.
3. bogie truck according to claim 2 is characterized in that the other end of described thimble props up described inner spring and/or outer spring.
4. bogie truck according to claim 1 is characterized in that,
The vehicle complete vehicle curb condition leaves predeterminable range between the top of one end of described thimble and the inner chamber of described wedge.
5. bogie truck according to claim 1 is characterized in that,
Vehicle loaded vehicle state, to prop up the other end of described thimble, an end of described thimble props up the top of the inner chamber of described wedge by described bearing spring compression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101556717A CN101797926B (en) | 2010-04-22 | 2010-04-22 | Bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101556717A CN101797926B (en) | 2010-04-22 | 2010-04-22 | Bogie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101797926A true CN101797926A (en) | 2010-08-11 |
| CN101797926B CN101797926B (en) | 2011-08-24 |
Family
ID=42593808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101556717A Active CN101797926B (en) | 2010-04-22 | 2010-04-22 | Bogie |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101797926B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390394A (en) * | 2011-09-27 | 2012-03-28 | 南车长江车辆有限公司 | Installing method of bogie vibration damper and positioning clip for the same |
| CN102514584A (en) * | 2011-12-09 | 2012-06-27 | 南车眉山车辆有限公司 | Bogie of narrow gauge railway vehicle |
| CN103625495A (en) * | 2013-12-20 | 2014-03-12 | 济南轨道交通装备有限责任公司 | Friction-varying hanging-type shock-absorption bogie |
| CN105151071A (en) * | 2015-09-10 | 2015-12-16 | 南车二七车辆有限公司 | Dual-mode damping device for wagon |
| CN105151070A (en) * | 2015-09-10 | 2015-12-16 | 南车二七车辆有限公司 | Dual-mode wedge for bogie damping device |
| CN107244332A (en) * | 2017-07-24 | 2017-10-13 | 中车齐齐哈尔车辆有限公司 | Railway goods train bogie |
| CN107253483A (en) * | 2017-07-24 | 2017-10-17 | 中车齐齐哈尔车辆有限公司 | Railway goods train bogie |
| CN108569307A (en) * | 2017-03-08 | 2018-09-25 | 阿母斯替德铁路公司 | The friction shoe groups of springs of bogies for railway vehicles |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977332A (en) * | 1975-06-25 | 1976-08-31 | Standard Car Truck Company | Variably damped truck |
| SU906733A2 (en) * | 1980-06-20 | 1982-02-23 | Брянский Ордена "Знак Почета"Институт Транспортного Машиностроения | Car truck oscillation frictional suppressor |
| CN1220218A (en) * | 1997-12-15 | 1999-06-23 | 标准汽车公司 | Rail car truck damping system |
| CN201136505Y (en) * | 2007-09-28 | 2008-10-22 | 中国南车集团眉山车辆厂 | Bogie for passing broad-gage railway |
| AU2009210376A1 (en) * | 2008-08-19 | 2010-03-11 | Bradken Resources Pty Limited | Rail car suspension damping |
-
2010
- 2010-04-22 CN CN2010101556717A patent/CN101797926B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977332A (en) * | 1975-06-25 | 1976-08-31 | Standard Car Truck Company | Variably damped truck |
| SU906733A2 (en) * | 1980-06-20 | 1982-02-23 | Брянский Ордена "Знак Почета"Институт Транспортного Машиностроения | Car truck oscillation frictional suppressor |
| CN1220218A (en) * | 1997-12-15 | 1999-06-23 | 标准汽车公司 | Rail car truck damping system |
| CN201136505Y (en) * | 2007-09-28 | 2008-10-22 | 中国南车集团眉山车辆厂 | Bogie for passing broad-gage railway |
| AU2009210376A1 (en) * | 2008-08-19 | 2010-03-11 | Bradken Resources Pty Limited | Rail car suspension damping |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390394A (en) * | 2011-09-27 | 2012-03-28 | 南车长江车辆有限公司 | Installing method of bogie vibration damper and positioning clip for the same |
| CN102390394B (en) * | 2011-09-27 | 2014-02-26 | 南车长江车辆有限公司 | Installing method of bogie vibration damper and positioning clip for the same |
| CN102514584A (en) * | 2011-12-09 | 2012-06-27 | 南车眉山车辆有限公司 | Bogie of narrow gauge railway vehicle |
| CN103625495A (en) * | 2013-12-20 | 2014-03-12 | 济南轨道交通装备有限责任公司 | Friction-varying hanging-type shock-absorption bogie |
| CN103625495B (en) * | 2013-12-20 | 2016-05-04 | 济南轨道交通装备有限责任公司 | A kind of hanging vibration damping bogie of frictional force that becomes |
| CN105151071A (en) * | 2015-09-10 | 2015-12-16 | 南车二七车辆有限公司 | Dual-mode damping device for wagon |
| CN105151070A (en) * | 2015-09-10 | 2015-12-16 | 南车二七车辆有限公司 | Dual-mode wedge for bogie damping device |
| CN108569307A (en) * | 2017-03-08 | 2018-09-25 | 阿母斯替德铁路公司 | The friction shoe groups of springs of bogies for railway vehicles |
| CN107244332A (en) * | 2017-07-24 | 2017-10-13 | 中车齐齐哈尔车辆有限公司 | Railway goods train bogie |
| CN107253483A (en) * | 2017-07-24 | 2017-10-17 | 中车齐齐哈尔车辆有限公司 | Railway goods train bogie |
| CN107244332B (en) * | 2017-07-24 | 2023-11-21 | 中车齐齐哈尔车辆有限公司 | Railway wagon bogie |
| CN107253483B (en) * | 2017-07-24 | 2023-11-21 | 中车齐齐哈尔车辆有限公司 | Railway wagon bogie |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101797926B (en) | 2011-08-24 |
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Address after: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee after: CRRC QIQIHAR VEHICLE CO., LTD. Address before: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee before: Qiqihar Rail Traffic Equipment Co., Ltd. |