CN101327801A - Bogie for goods train with large axle load and low dynamic action - Google Patents
Bogie for goods train with large axle load and low dynamic action Download PDFInfo
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- CN101327801A CN101327801A CNA2008101388042A CN200810138804A CN101327801A CN 101327801 A CN101327801 A CN 101327801A CN A2008101388042 A CNA2008101388042 A CN A2008101388042A CN 200810138804 A CN200810138804 A CN 200810138804A CN 101327801 A CN101327801 A CN 101327801A
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- 230000009471 action Effects 0.000 title claims abstract description 22
- 239000000725 suspension Substances 0.000 claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 229910003460 diamond Inorganic materials 0.000 description 7
- 239000010432 diamond Substances 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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Abstract
The present invention provides a lorry bogie of large axle load and low power. The bogie comprises a wheel pair, a side frame, a swinging pillow, an axle box, a basic braking device, a single-stage suspension device, a two-stage suspension device and a side bearing. The side frame is arranged on the wheel pair through the single-stage suspension device, so that the side frame becomes the sprung mass; the swinging pillow is arranged on the side frame through the two-stage suspension device; the side bearing is arranged on the swinging pillow; the basic braking device is hanged on the swinging pillow, so as to become the sprung mass; the two-stage suspension device is a linking mechanism of a cylindrical rubber spring and a steel circular spring, and is arranged in the space which is formed by the bottom chord of the side frame and the lower part of the terminal of the swinging pillow; a pre-tightening rubber pad is arranged between the upper part of the terminal of the swinging pillow and the top chord of the side frame. The structure is simple; the strength reserve of the swinging pillow, the side frame and other key components is further improved; and the lorry bogie satisfies the requirement for increasing the axle load, reduces the unsprung mass, reduces the action of the wheel rail, realizes the low-power action, and improves the vehicle running quality.
Description
Technical field
The present invention relates to be applied to require to have the railway goods train bogie of macro-axis weight, low dynamic action function, belong to the railway goods train bogie technical field.
Background technology
At present, the heavy 25t-40t that reached of the utilization axle of railway goods train bogie.Development heavy axle load wagon bogie truck, starting Heavy Haul Freight Train is the trend of countries in the world railway freight traffic development.The principle of design of the heavy low dynamic action bogie truck of macro-axis is: (1) alleviates the bogie truck unsprung weight, reduces the wheel track action firmly, improves the curve negotiation ability of vehicle, reduces wheel-rail wear; (2) increase the bogie truck diamond resistant rigidity, improve the stability of bogie truck, improve the empty wagons running velocity; (3) simple in structure, easy to maintenance, maintenance cost is low.
The tradition roller bearing adapter stabilizer bar often reaches the purpose that alleviates the bogie truck unsprung weight by setting up axle box single stage suspension device often in design; Increase the diamond resistant rigidity of bogie truck by pipe link (or crossbar) is set between side frames, reach the purpose that improves bogie truck stability.But the dynamics of this reduction unsprung weight is not enough, but and increase the curve negotiation ability that the bogie side frame pipe link has reduced vehicle, cause the wheel-rail wear aggravation.For large axle load bogie itself, wheel-rail wear is just relatively more serious, and adopts the bogie side frame pipe link to increase the weight of this abrasion.Therefore to improve the bogie truck diamond resistant rigidity be worthless by pipe link is set between bogie side frame.
Publication number is that the Chinese patent of CN201021294 discloses a kind of " truck bogie of low power action ", comprise that wheel is to, axle box, bolster, bogie side frame, adapter is arranged on the axle box, bogie side frame is supported on the axle box by adapter, wherein, be provided with journal box spring between adapter top and the bogie side frame, also be provided with shear spring between adapter sidepiece and the bogie side frame.The axle box of this bogie truck hangs not only can provide wheel to required vertical, horizontal elasticity locating stiffness, and has reduced unsprung weight significantly, has improved the vibration of vehicle performance, and the action that has reduced between the wheel track is exerted oneself.
Publication number is that the Chinese patent of CN200945866 discloses a kind of " large axle load bogie ", is the cast steel three-major-items formula controllable type structure bogie truck of a kind of band from the device that leads, and suit one is from leading device on the basis of traditional three-major-items cast steel bogie truck.Between device and the bogie side frame springing is installed leading certainly.This bogie truck can reduce wheel-rail force, reduces wheel-rail wear, effectively solves to improve the bogie truck movement vibration stability and improve contradiction between the bogie truck curving performance.
Above-mentioned two patents have obtained certain effect on the stability of bogie truck and wheel-rail wear, but do not solve fundamentally that speed is not only high, wheel-rail wear but little this to contradiction.The dry friction of the most employing of roller bearing adapter stabilizer bar at present wedge vibration insulating systems, the shortcoming of this system is that the performance of vehicle after the wedge wearing and tearing decreases, the period of inspection and repair is short, complex structure.
Summary of the invention
The present invention is directed to the problem that existing railway goods train bogie exists, provide a kind of simple in structure, intensity is high, can further alleviate the bogie truck unsprung weight, reduce wheel-rail force, reduce wheel-rail wear, the bogie for goods train with large axle load and low dynamic action of the running velocity of raising empty wagons, the curve negotiation ability of loaded vehicle.
The present invention adopts following technical solution:
This bogie truck comprises that wheel is right, bogie side frame, bolster, axle box, foundation brake rigging, the single stage suspension device, secondary suspension device and side bearing, bogie side frame is provided with lower boom and top boom, bogie side frame is installed in wheel to last by the single stage suspension device, make bogie side frame become sprung weight, bolster is installed on the bogie side frame by the secondary suspension device, side bearing is arranged on the bolster, foundation brake rigging is hung on bolster, make foundation brake rigging become sprung weight, the secondary suspension device is cylindricality rubber spring and steel coil spring parallel-connection structure, the secondary suspension device is installed in the space of side frame bottom chord and the formation of bolster end below, is adding the pretension rubber pad above the bolster end and between side frame top chord.
Side bearing is installed in the side bearing box, and side bearing box and bolster are integral structure.
Foundation brake rigging adopts suspension type Block brake structure.
The pretension rubber pad adopts horizontal low resistance structure.The pretension rubber pad has certain amount of compression during empty wagons after installation.
Truck center plate on the bolster adopts the structure with bolster integral, and the inside of truck center plate is not for there being the planar structure of circle navel.
The single stage suspension device is that steel spring, rubber spring and adapter are formed by one, and adapter is installed in wheel to last, and the two ends of rubber spring are installed on respectively in bogie side frame and the adapter, and it is sprung weight that bogie side frame is designed to one by the unsprung weight improvement.
The present invention is simple in structure, intensity is high, by the single stage suspension device with hang brake equipment and further reduced unsprung weight, by the pretension rubber pad between bolster end and bogie side frame square hole, increase the diamond resistant rigidity of empty wagons, improve the empty wagons running velocity, and don't the curve negotiation ability of vehicle when reducing loaded vehicle, solved that speed is not only high, wheel-rail wear but little this to contradiction.Adopt the cylindricality rubber spring pattern in parallel to come alternative dry friction oblique wedge vibration damper, avoided the problem that worsens because of wedge system abrasion back vehicle performance with the steel coil spring.Reduced the contact friction pair simultaneously, made bogie structure simpler, the margin of strength of critical components such as bolster, bogie side frame further improves, satisfied and increased the heavy requirement of axle, reduce wheel-rail force, realized low dynamic action, improved the riding quality of vehicle.Also solve bogie truck and adopted the problem that empty and load cartridge face diff-H exceeds standard behind the two stage suspension.
Description of drawings
Fig. 1 is the structural representation of bogie truck of the present invention.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is the axle box single stage suspension apparatus structure scheme drawing in the bogie truck of the present invention.
Fig. 4 is the bolster secondary suspension apparatus structure scheme drawing in the bogie truck of the present invention.
Fig. 5 is the bolster structural representation in the bogie truck of the present invention.
Among the figure: 1, wheel is right, and 2, the single stage suspension device, 3, bogie side frame, 4, secondary suspension device, 5, bolster, 6, foundation brake rigging, 7, side bearing, 8, the brake head suspension rod, 9, the suspension rod mount pad, 10, suspension rod pin, 11, one is steel spring, 12, rubber spring, 13, adapter, 14, the pretension rubber pad, 15, two is steel spring, 16, rubber spring, 17, truck center plate, 18, the side bearing box.
The specific embodiment
As depicted in figs. 1 and 2, bogie for goods train with large axle load and low dynamic action of the present invention is the same with prior art, comprises that also two wheels are to 1, four single stage suspension device 2, two bogie side frames 3, two secondary suspension devices 4, bolster 5, foundation brake rigging 6 and two side bearings 7.Bolster 5 is installed on the bogie side frame 3 by secondary suspension device 4, and side bearing 7 is arranged in the side bearing box 18 on the bolster, and bogie side frame 3 is installed in wheel on 1 by single stage suspension device 2.Key technology of the present invention is, foundation brake rigging 6 is hung on bolster suspension rod mount pad 9 by four brake head suspension rods 8 and suspension rod pin 10, change suspension type into by original chute-type, make foundation brake rigging 6 on secondary suspension device 4, improve being designed to sprung weight by the unsprung weight in the existing bogie truck.Foundation brake rigging 6 can be middle Tiebar structure, also can be the lower link form, and brake lever can be an obliquity, also can be vertical position.As shown in Figure 3, single stage suspension device 2 is that steel spring 11, rubber spring 12 and adapter 13 are formed by one, adapter 13 is installed in wheel on 1, one is that steel spring 11 is installed between bogie side frame 3 and the adapter 13, rubber spring 12 is in the steel spring 11 one, its two ends are installed on respectively in the setting circle navel of bogie side frame 3 and adapter 13, and it is sprung weight that bogie side frame is designed to one by the unsprung weight improvement.Adopt the single stage suspension device, make bogie side frame 3 become sprung weight, reach the reduction wheel-rail force, realize the purpose of low dynamic action by unsprung weight.As shown in Figure 4, secondary suspension device 4 is that steel spring 15 and rubber spring 16 are formed by two, and two is that steel spring 15 is installed between bogie side frame 3 and the bolster 5, and rubber spring 16 is in steel spring 15.Secondary suspension device 4 is installed in the space that the lower boom of bogie side frame 3 and bolster end below form.The carrying vibration insulating system of secondary suspension device adopts the cylindricality rubber spring structural pattern in parallel with the steel coil spring, and cancellation dry friction oblique wedge vibration damper utilizes the non-linear and high damping properties of rubber to optimize the secondary suspension performance perameter, and structure is simpler.Installing two pretension rubber pads 14 (referring to Fig. 4) additional above the two ends of bolster 5 and between below the central square hole top boom of side frames 3, the diamond resistant rigidity of bogie truck when improving empty wagons reaches the purpose that improves the empty wagons running velocity.When pretension rubber pad 14 is installed, to make it that certain amount of compression is arranged, give bolster 5 certain pressure, thereby make whole bogie truck when empty wagons, have the performance characteristics of framework type bogie truck, have the performance characteristics of three-major-items formula bogie truck during loaded vehicle.For guaranteeing to install additional the transversal dynamic performance of pretension rubber pad 14 back vehicles, pretension rubber pad 14 is designed to horizontal low resistance structure.
Side bearing 7 is installed in the side bearing box 18 on the bolster 5, and side bearing box 18 is structure as a whole with bolster 5, is whole the manufacturing, can be cast-in-block, also can be welded structure.During without side bearing box 18, side bearing 7 can be by Bolt Connection on bolster 5. Rubber spring 12 and 16 version are not limited to shown in Fig. 3 and Fig. 4, and its version can be made optimal design according to the needs of performance perameter.
As shown in Figure 5, the truck center plate 17 on the bolster 5 adopts and bolster 5 cast-in-block structural patterns, and the inside of truck center plate 17 is not for there being the planar structure of circle navel.
By pretension rubber pad 14 being set, adopting two stage suspension and foundation brake rigging 6 hung in the first-class technological means of bolster and make bogie truck have the performance of low dynamic action, solved because of the technical matters that empty and load cartridge face diff-H exceeds standard after the two stage suspension system is set; Utilize the non-linear of rubber spring and high damping characteristics to cancel wedge dry friction vibration insulating system, make bolster, bogie side frame margin of strength strengthen, satisfied the heavy needs of macro-axis.
After adopting above-mentioned technology, this bogie has further reduced under the spring with hanging at the brake apparatus on the bolster by single stage suspension Quality has realized the purpose of low dynamic action. By the pretension rubber blanket between bolster end and bogie side frame square hole, the increase empty wagons Diamond resistant rigidity improves the empty wagons speed of service, and don't the curve negotiation ability of vehicle when reducing loaded vehicle, solved speed again high, Wheel-rail wear again little this to contradiction. Compared with prior art the present invention has the following advantages:
1. the present invention is improved brake rigging and is designed to sprung mass by unsprung mass, has further alleviated under the spring of bogie Quality reduces wheel-rail force, can reduce wheel-rail wear, prolongs the service life of wheel track, also improves the operation product of vehicle simultaneously Matter.
2. the present invention adopts the cylindricality rubber spring pattern in parallel with the steel coil spring to come alternative dry friction oblique wedge vibration damper, has avoided Problem because vehicle performance after the abrasion of wedge system worsens has reduced the contact friction pair simultaneously, makes bogie structure simpler, The bolster margin of safety further improves.
3. the present invention makes bogie have framework type by install the pretension rubber blanket additional between bolster end and bogie side frame square hole when empty wagons The characteristics of the high diamond resistant rigidity of bogie can improve the empty wagons speed of service; When loaded vehicle, make bogie have three-piece bogie The good advantage of distortion network adaptability, the curve negotiation ability of bogie when having improved loaded vehicle.
4. the invention solves bogie and adopt the problem that empty and load cartridge face difference in height exceeds standard behind the two stage suspension.
5. the design feature of this bogie is so that bolster, bogie side frame structure are simpler, and the structural strength height is convenient to make.
Claims (7)
1. bogie for goods train with large axle load and low dynamic action, comprise that wheel is right, bogie side frame, bolster, axle box, foundation brake rigging, the single stage suspension device, secondary suspension device and side bearing, bogie side frame is provided with lower boom and top boom, it is characterized in that: bogie side frame is installed in wheel to last by the single stage suspension device, make bogie side frame become sprung weight, bolster is installed on the bogie side frame by the secondary suspension device, side bearing is arranged on the bolster, foundation brake rigging is hung on bolster, make foundation brake rigging become sprung weight, the secondary suspension device is cylindricality rubber spring and steel coil spring parallel-connection structure, the secondary suspension device is installed in the space of side frame bottom chord and the formation of bolster end below, is adding the pretension rubber pad above the bolster end and between side frame top chord.
2. bogie for goods train with large axle load and low dynamic action according to claim 1 is characterized in that: described side bearing is installed in the side bearing box, and side bearing box and bolster are integral structure.
3. bogie for goods train with large axle load and low dynamic action according to claim 1 is characterized in that: described foundation brake rigging adopts suspension type Block brake structure.
4. bogie for goods train with large axle load and low dynamic action according to claim 1 is characterized in that: described pretension rubber pad adopts horizontal low resistance structure.
5. bogie for goods train with large axle load and low dynamic action according to claim 1 is characterized in that: described pretension rubber pad has amount of compression during empty wagons after installation.
6. bogie for goods train with large axle load and low dynamic action according to claim 1 is characterized in that: the truck center plate on the described bolster adopts the structure with bolster integral, and the inside of truck center plate is not for there being the planar structure of circle navel.
7. bogie for goods train with large axle load and low dynamic action according to claim 1, it is characterized in that: described single stage suspension device is that steel spring, rubber spring and adapter are formed by one, adapter is installed in wheel to last, and the two ends of rubber spring are installed on respectively in bogie side frame and the adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101388042A CN101327801B (en) | 2008-07-29 | 2008-07-29 | Bogie for goods train with large axle load and low dynamic action |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101388042A CN101327801B (en) | 2008-07-29 | 2008-07-29 | Bogie for goods train with large axle load and low dynamic action |
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| Publication Number | Publication Date |
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| CN101327801A true CN101327801A (en) | 2008-12-24 |
| CN101327801B CN101327801B (en) | 2010-09-08 |
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| CN2008101388042A Active CN101327801B (en) | 2008-07-29 | 2008-07-29 | Bogie for goods train with large axle load and low dynamic action |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358313A (en) * | 2011-08-11 | 2012-02-22 | 南车石家庄车辆有限公司 | 2F-shaft bogie |
| CN102514584A (en) * | 2011-12-09 | 2012-06-27 | 南车眉山车辆有限公司 | Bogie of narrow gauge railway vehicle |
| CN103112467A (en) * | 2013-03-15 | 2013-05-22 | 济南轨道交通装备有限责任公司 | Radial welding bogie with low dynamic effect |
| CN103625499A (en) * | 2013-06-29 | 2014-03-12 | 南车青岛四方机车车辆股份有限公司 | Framework of narrow-gauge train bogie |
| CN105109511A (en) * | 2015-09-17 | 2015-12-02 | 南车资阳机车有限公司 | Diesel locomotive adopting traction mode of flex-coil spring side bearing and low-level diagonal draw bar |
| CN109094596A (en) * | 2018-10-09 | 2018-12-28 | 中车眉山车辆有限公司 | A kind of bogie and vehicle connection structure |
| CN109153391A (en) * | 2016-05-11 | 2019-01-04 | 西屋空气制动设备技术公司 | Clast for bogie installation braking system removes brake head |
| CN113415303A (en) * | 2021-08-12 | 2021-09-21 | 中车山东机车车辆有限公司 | Bogie with self-running wheel pair and self-guiding mechanism and railway wagon |
-
2008
- 2008-07-29 CN CN2008101388042A patent/CN101327801B/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358313A (en) * | 2011-08-11 | 2012-02-22 | 南车石家庄车辆有限公司 | 2F-shaft bogie |
| CN102514584A (en) * | 2011-12-09 | 2012-06-27 | 南车眉山车辆有限公司 | Bogie of narrow gauge railway vehicle |
| CN103112467A (en) * | 2013-03-15 | 2013-05-22 | 济南轨道交通装备有限责任公司 | Radial welding bogie with low dynamic effect |
| CN103112467B (en) * | 2013-03-15 | 2016-02-24 | 济南轨道交通装备有限责任公司 | The radial welding bogie of a kind of low dynamic action |
| CN103625499A (en) * | 2013-06-29 | 2014-03-12 | 南车青岛四方机车车辆股份有限公司 | Framework of narrow-gauge train bogie |
| CN103625499B (en) * | 2013-06-29 | 2016-07-06 | 中车青岛四方机车车辆股份有限公司 | A kind of framework of narrow-gauge train bogie |
| CN105109511A (en) * | 2015-09-17 | 2015-12-02 | 南车资阳机车有限公司 | Diesel locomotive adopting traction mode of flex-coil spring side bearing and low-level diagonal draw bar |
| CN109153391A (en) * | 2016-05-11 | 2019-01-04 | 西屋空气制动设备技术公司 | Clast for bogie installation braking system removes brake head |
| CN109094596A (en) * | 2018-10-09 | 2018-12-28 | 中车眉山车辆有限公司 | A kind of bogie and vehicle connection structure |
| CN109094596B (en) * | 2018-10-09 | 2024-02-06 | 中车眉山车辆有限公司 | Bogie and vehicle connection structure |
| CN113415303A (en) * | 2021-08-12 | 2021-09-21 | 中车山东机车车辆有限公司 | Bogie with self-running wheel pair and self-guiding mechanism and railway wagon |
| CN113415303B (en) * | 2021-08-12 | 2024-05-28 | 中车山东机车车辆有限公司 | Bogie with self-running wheel set and self-guiding mechanism and railway wagon |
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| CN101327801B (en) | 2010-09-08 |
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Address after: Huai Village Street Huaiyin District of Ji'nan city of Shandong Province, No. 73 250022 Patentee after: Shandong Zhongche Locomotive Co. Ltd. Address before: Huai Village Street Huaiyin District of Ji'nan city of Shandong Province, No. 73 250022 Patentee before: Jinan Rail Traffic Equipment Co., Ltd. |