CN202193085U - 2F axle steering rack - Google Patents
2F axle steering rack Download PDFInfo
- Publication number
- CN202193085U CN202193085U CN2011202911947U CN201120291194U CN202193085U CN 202193085 U CN202193085 U CN 202193085U CN 2011202911947 U CN2011202911947 U CN 2011202911947U CN 201120291194 U CN201120291194 U CN 201120291194U CN 202193085 U CN202193085 U CN 202193085U
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- CN
- China
- Prior art keywords
- wheel
- side frame
- bogie
- axle
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a 2f axle steering rack which comprises wheel pair assemblies and a swing bolster, wherein each wheel pair assembly comprises a left wheel and a right wheel which are connected through an axletree, the swing bolster is arranged between two adjacent wheel pair assemblies, braking devices are arranged on the inner sides of the two wheel pair assemblies, two adjacent wheels on the same side are connected through a side frame, the upper surface of the side frame adopts a sellaeform structure with a depressed middle part, adapters are arranged at the connecting parts of the side frame and the wheels, and the height of the axle center of each wheel is 437 to 477 mm. The utility model is applicable to wagons, and can decrease the acting force to a wheel rail; and under the condition of the same bearing force, the side frame with the structure has a strong elasticity, so that impacts to the wheel rail can be reduced, the axle load is increased, and the carrying capability of the wagons is improved.
Description
Technical field
The utility model relates to a kind of railway freight traffic device, specifically is a kind of 2F axle bogie.
Background technology
For many years, China Railway develops towards the direction of high-speed overload, and increasing the load-carrying of vehicle bicycle is the important channel of improving transport capacity and conveying efficiency.China railways lorry operation at present is main with the heavy bogie truck of 23 tons of axles, and load-carrying is merely 70 tons, and the axle center height is 420mm, in order to improve single vehicle domestic shipping weight, certainly will will increase the quantity of bogie truck.At present, the bogie truck that macro-axis is heavy adopts bolster to be connected with bogie side frame usually, and the bogie side frame two ends are connected forming with wheel through adapter; Wherein bolster and bogie side frame are with integral casting forming, and it is the low convex in plane or middle high two ends that bogie side frame adopts traditional upper surface, when this structure is used for high-mechanic, macro-axis weight; Because unsprung weight is big; Therefore whole bogie truck center of gravity is higher, increases the side force that lorry is turned, and causes wheel-rail wear serious.The patent No. is that 200610021827.6 patent discloses large axle load bogie, it be on the basis of original bogie truck suit one from leading device.This bogie truck is at smooth running and reduce that certain effect is arranged on the wheel-rail wear, but because the defective that relates to can not satisfy other forms of bogie truck.
The utility model content
The technical matters that the utility model will solve provides and a kind ofly can be suitable for large diameter wheel, and can effectively reduce the 2F axle bogie of wheel-rail force.
For solving the problems of the technologies described above; The technical scheme that the utility model is taked is: a kind of 2F axle bogie; Comprise wheel to forming and bolster, said take turns to form by about two forms through axletree bonded assembly wheel, two adjacent groups is taken turns between the composition bolster being set; Said two pairs of vehicle wheel are provided with brake equipment to forming the inboard; It is characterized in that adjacent two wheels of homonymy connect through bogie side frame, the upper surface of said bogie side frame is the shape of a saddle structure of medial recess, and bogie side frame and wheel junction are provided with adapter.
The axle center height of said wheel is 437-477mm, increases than original wheel standards axle center height (420mm), and so corresponding diameter of axle can overstriking, has fundamentally improved the load-carrying ability of train.
Adopt the beneficial effect that technique scheme produced to be:
(1) the bogie side frame structure is that the plane is improved to umbilicate shape of a saddle structure by original upper surface in the utility model, and this reduces the whole center of gravity of bogie truck, and lorry is when curve motion; Car body and bogie truck have certain angle to tilt; Also corresponding the reducing of side force that produces, the application force of reduction wheel track, and under the identical situation of bearing capacity; The bogie side frame of this structure has big elasticity, thereby reduces the impact to wheel track;
(2) can increase to the axis wheel height in the 437-477mm scope from original 420mm through corresponding improvement in the utility model, corresponding axletree diameter also can increase, thereby it is heavy to increase axle, improves the carrying capacity of lorry.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further detailed explanation.
Fig. 1 is that the structure of the utility model is partly cutd open front view;
Fig. 2 be Fig. 1 partly cut open left view;
Fig. 3 is the bogie side frame structural representation;
Wherein: 1, wheel is to forming, and 2, bogie side frame, 3, bolster, 4, wedge, 5, brake equipment, 6, antifriction-bearing box, 7, elastic side bearing, 8, adapter, 9, cartridge abrasion dish, 10, spring.
The specific embodiment
The utility model is specifically related to a kind of 2F axle bogie; Comprise wheel to form 1 with bolster 3, said take turns to form 1 by about two form through axletree bonded assembly wheel, two adjacent groups is taken turns bolster 3 is set between forming 1; Said two pairs of vehicle wheel are provided with brake equipment 5 to forming the inboard; It is characterized in that adjacent two wheels of homonymy connect through bogie side frame 2, the upper surface of said bogie side frame 2 is the shape of a saddle structure of medial recess, and bogie side frame 2 is provided with adapter 8 with the wheel junction.Bolster 3, bogie side frame 2 and wedge 4 materials are B+ level cast steel, and shock absorber adopts two stage stiffness spring 10; Adopting diameter is the truck center plate of φ 419mm, dress motive mill consumption dish 9 in the truck center plate.
In the utility model, the axle center height of said wheel is generally selected 457.5mm, increases 37.5mm than original axis wheel height, and the also corresponding change of other corresponding sizes can be satisfied and improve important the asking of axle.The utility model dress is with the HFS type or the HFZ type wheel of novel 352132A type antifriction-bearing box 6, RF2 type axletree and LM worn profile tread.
Adopt double acting The Constant-Contact Resilient Side Bearings 7 in the bolster 3 of the utility model,, improve bogie truck linear running stability so that suitable steering resistance square to be provided.Elastic side bearing 7 is made up of parts such as elastic side bearing body, side bearing, adjustment backing plate, rollers.The double acting The Constant-Contact Resilient Side Bearings is formed single roller side bearing and The Constant-Contact Resilient Side Bearings is combined, and to realize both advantages, satisfies lorry and improves constantly running velocity and the requirement that improves dynamic performance.It is through the precompressed compression elastic side bearing; Between body side bearing and bottom side bearing wearing plate, produce pressure; When upper and lower cartridge turns round relatively, promptly when bogie truck has a rotating trend with respect to car body after, the side bearing place will produce the friction drag of horizontal direction; Increase the steering resistance effect of contraction of car body, prevent that sticking up of upper and lower cartridge from leaving with respect to bogie truck.Cause that when car body sidewinders on body center plate the elastic side bearing compression is excessive, body side bearing will press roller, prevent that car body from sidewindering undue raising excessive and the minimizing steering resistance.
To industrial and mining enterprises' characteristics not high to running velocity, this bogie truck cancellation is crossbar down, reduces overall trip speed to 80km/h.
The utility model can solve problems such as 80t, 100t level lorry railway operation, loading transportation, and uses at load-carrying 80t air-powered automatic dumping car, and application is good.
Claims (2)
1. 2F axle bogie; Comprise that wheel is to forming (1) and bolster (3); Said take turns to form (1) by about two form through axletree bonded assembly wheel; The two adjacent groups wheel is provided with bolster (3) to forming between (1), and said two pairs of vehicle wheel are provided with brake equipment (5) to forming the inboard, it is characterized in that adjacent two wheels of homonymy connect through bogie side frame (2); The upper surface of said bogie side frame (2) is the shape of a saddle structure of medial recess, and bogie side frame (2) is provided with adapter (8) with the wheel junction.
2. 2F axle bogie according to claim 1, the axle center height that it is characterized in that said wheel is 437-477mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202911947U CN202193085U (en) | 2011-08-11 | 2011-08-11 | 2F axle steering rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202911947U CN202193085U (en) | 2011-08-11 | 2011-08-11 | 2F axle steering rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202193085U true CN202193085U (en) | 2012-04-18 |
Family
ID=45948008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202911947U Expired - Lifetime CN202193085U (en) | 2011-08-11 | 2011-08-11 | 2F axle steering rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202193085U (en) |
Cited By (1)
| 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 |
-
2011
- 2011-08-11 CN CN2011202911947U patent/CN202193085U/en not_active Expired - Lifetime
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 051430 Shijiazhuang Province, Luancheng City, Shijiazhuang province equipment Industrial Park, Yu Xiang street, No. 168 Patentee after: CRRC SHIJIAZHUANG CO., LTD. Address before: 050000 No. 125, front street, Shijiazhuang vehicle factory, Hebei Patentee before: CSR SHIJIAZHUANG ROLLING STOCK WORKS |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120418 |