CN204488809U - A kind of railway truck and bolster thereof - Google Patents
A kind of railway truck and bolster thereof Download PDFInfo
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- CN204488809U CN204488809U CN201520211830.9U CN201520211830U CN204488809U CN 204488809 U CN204488809 U CN 204488809U CN 201520211830 U CN201520211830 U CN 201520211830U CN 204488809 U CN204488809 U CN 204488809U
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- bolster
- sidewall
- reinforced rib
- truck
- lightening hole
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Abstract
The utility model discloses a kind of railway truck and bolster thereof, bolster comprises sidewall, upper head plate, bottom plate, and is positioned at the spring bearing platform at bolster two ends, and sidewall, upper head plate and bottom plate enclose the abdominal cavity structure forming bolster inside jointly, sidewall has lightening hole, and described bolster is provided with reinforced rib; Reinforced rib is arranged in bolster abdominal cavity, and corresponds to spring bearing platform corner, and reinforced rib is connected with upper head plate, bottom plate up and down respectively.This bolster under the prerequisite with enough structural strengths and effect, can realize the reasonable loss of weight of bolster and even railway truck self, and then, effectively improve the load transportation efficiency of railway truck.
Description
Technical field
The utility model relates to railway truck technical field, particularly a kind of railway truck and bolster thereof.
Background technology
Railway transportation is the infrastructure industry of national economy, in communications and transportation system and production and operation, occupy key status.In recent years, due to the anxiety of railway transportation capability and the maximization of railway enterprises pursuit interests, the deadweight problems of too of railway truck causes the growing interest of those skilled in the art, and different kinds of railways lorry Technology of Weight Reduction scheme is constantly suggested.
Truck bolster for railway wagon is the main load bearing element of vehicle, its structure structure directly has influence on in-use performance and the deadweight of railway truck, and truck bolster for railway wagon generally adopts cast structure, own wt comparatively large (500-800kg), therefore, carrying out reasonable loss of weight to bolster is one of emphasis problem of vehicle loss of weight.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of a kind of truck bolster for railway wagon in prior art, and Fig. 2 is the schematic top plan view of truck bolster for railway wagon in prior art shown in Fig. 1.
In prior art, bolster structure comprise sidewall 1, upper head plate 2, bottom plate 3, cartridge face 4 (being positioned in the middle part of upper head plate 2), for laying and support the side bearing box 8 of side bearing, and be positioned at the spring bearing platform 5 at bolster two ends, wherein, the sidewall 1 of both sides, upper head plate 2 and bottom plate 3 together form the abdominal cavity structure of bolster inside.
In prior art, sidewall 1, upper head plate 2 and bottom plate 3 are main bodys of bolster structure, play the effect supporting miscellaneous part; Cartridge face 4, side bearing box 8 and bolster main body cast solid, its two ends rely on spring bearing platform 5 to be bearing on wagon side frame spring, the weight of car body and load to pass to the spring under the spring bearing platform 5 of both sides by cartridge face 4 through bolster, for supporting weight and the load of top car body, and connected by other structures such as side frame, the brake equipment etc. of bolster by lorry.
Technique scheme solves the conduction of railway truck load and parts connectivity problem, but still there is certain technical matters:
The first, above-mentioned bolster integral is box closed structure, again, close to neutral line in the middle part of bolster sidewall, little to intensity contribution, but quality is relatively large, and therefore, it is comparatively large that above-mentioned design plan causes bolster to conduct oneself with dignity, and affects the conveying efficiency of railway truck;
The second, bolster is the Main Load parts of railway truck, and the requirement of strength of its bulk strength especially spring bearing platform corner is higher, and such scheme has interior abdominal space structure, and spring bearing platform corner there will be stress concentration phenomenon, and bolster is reduced fatigue life.
In view of the above problems, how under the prerequisite ensureing bolster especially spring bearing platform corner intensity, reducing the bolster particularly quality of weakly acidic pH layer in the middle part of sidewall, to improve railway freight-car transporting efficiency, is those skilled in the art's technical matterss urgently to be resolved hurrily.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is for providing a kind of railway truck and bolster thereof.This bolster under the prerequisite with enough structural strengths and effect, can realize the reasonable loss of weight of bolster and even railway truck self, and then, effectively improve the load transportation efficiency of railway truck.
The truck bolster for railway wagon that the utility model provides, comprise sidewall, upper head plate, bottom plate, and be positioned at the spring bearing platform at bolster two ends, described sidewall, described upper head plate and described bottom plate enclose the abdominal cavity structure forming described bolster inside jointly, it is characterized in that, described sidewall has lightening hole, and described bolster is provided with reinforced rib; Described reinforced rib is arranged in described bolster abdominal cavity, and corresponds to described spring bearing platform corner, and described reinforced rib is connected with described upper head plate, described bottom plate up and down respectively.
The concrete effect of bolster mainly bears vertical load, and, to know in the middle part of bolster sidewall close to neutral line in real work by researching and analysing, less to bulk strength contribution.Therefore, in the technical program, bolster sidewall reduces repeated hole, to reduce the deadweight of bolster.Meanwhile, in order to reasonable loss of weight to greatest extent, reinforced rib is set and coordinates described lightening hole, to ensure the structural strength of described bolster.Meticulous design is the basis realizing Rational structure, and early-stage Study finds, bolster mainly bears vertical load, especially, bolster spring cushion cap corner there will be stress concentration phenomenon, and lateral pull not only can be concentrated in spring bearing platform corner, also there is obvious vertical force effect simultaneously.In the design, reinforced rib is set to stud structure, all has carrying and conduction for transverse force and vertical force.So, compared to background technology, namely produce following effect:
The first, by reducing repeated hole at bolster sidewall, reducing the deadweight of bolster, improving the conveying efficiency of railway truck.
The second, for coordinating described lightening hole to arrange reinforced rib, decreasing the deadweight of bolster to greatest extent, also ensure that the structural strength of bolster simultaneously.
3rd, the setting of bolster sidewall lightening hole, is conducive to the removing of bolster cast inside sand.
Preferably, described lightening hole distributes axisymmetricly about bolster central axis.
Preferably, described sidewall center has a pair brake unit assembly hole, and described lightening hole is positioned at the both sides of described brake unit assembly hole.
Preferably, the profile of described lightening hole and the profile of described side wall ends match.
Preferably, each described spring bearing platform corner arranges the described reinforced rib being no less than two.
Meanwhile, the utility model additionally provides a kind of railway truck, comprises bogie truck, and described bogie truck comprises bolster structure, it is characterized in that, described bolster is the bolster described in above-mentioned any one.
Because above-mentioned bolster has above-mentioned technique effect, the railway truck with this bolster also has same or analogous technique effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of truck bolster for railway wagon in prior art;
Fig. 2 is the schematic top plan view of truck bolster for railway wagon in prior art shown in Fig. 1;
Fig. 3 is the structural representation of the first detailed description of the invention of truck bolster for railway wagon provided by the utility model;
Fig. 4 is the birds-eye view of truck bolster for railway wagon shown in Fig. 3;
Fig. 5 is the structural representation of the second embodiment of truck bolster for railway wagon provided by the utility model;
Fig. 6 is the birds-eye view of truck bolster for railway wagon shown in Fig. 5.
Wherein, the Reference numeral in Fig. 1 to Fig. 6 and the corresponding relation between component names as follows:
Sidewall 1, upper head plate 2, bottom plate 3, cartridge face 4, spring bearing platform 5, lightening hole 6, reinforced rib 7, side bearing box 8, brake unit assembly hole 9.
Detailed description of the invention
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is the structural representation of the first detailed description of the invention of truck bolster for railway wagon provided by the utility model; Fig. 4 is the birds-eye view of truck bolster for railway wagon shown in Fig. 3.
The truck bolster for railway wagon that the utility model provides, its main body comprises the sidewall 1, upper head plate 2 and the bottom plate 3 that are positioned at both sides, and sidewall 1, upper head plate 2 enclose with bottom plate 3 the abdominal cavity structure forming bolster inside jointly.General truck bolster for railway wagon is integrated casting and forms, and its sidewall 1, upper head plate 2, bottom plate 3, without obviously boundary solution off-line, are understood structure and refinement title for convenience, got its orientation structure title in the art.
Bolster sidewall 1 is positioned at bolster side, bottom plate 3 is positioned at the bottom surface of bolster integral, do not consider material factor, with regard to structure function both it and specific design principle, the Main Function of sidewall 1 is carrying vertical load and lateral pull adjoint on a small quantity, load-carrying ability simultaneously due to railway is relatively very large, and therefore, vertical load is the factor primarily can considered in sidewall 1 and bottom surface structure design effort.In addition, upper head plate 2 belongs to slab construction, relative the two effect, and the structure design of upper head plate 2 is main it is considered that its resistance to tension.
Along with the maturation of design technology, technical personnel considers the coordination of structural strength and deadweight more, and bolster can adopt cavity design, can ensure the requirement of strength of bolster integral like this, its deadweight can be reduced again, so the utility model also adopts cavity structure to design.
In the present embodiment, bolster sidewall 1 has lightening hole 6, in order to alleviate bolster deadweight, increases railway truck load-carrying ability.By correlative study, find that bolster sidewall 1 exists certain loss of weight space.Specifically, because sidewall 1 needs the vertical load that carrying is very large, therefore, its thickness, own wt still can be very large, but analyze known, bolster mainly bears vertical load, close to neutral line in the middle part of bolster sidewall 1, little to intensity contribution, therefore can effectively reduce bolster weight in this position perforate, and little to intensity effect, also help the removing of bolster cast inside sand simultaneously.
Lightening hole 6 generally distributes axisymmetricly about bolster central axis, and namely lightening hole 6 is generally setting in pairs or himself is symmetrical structure.So, the own lightening hole of sidewall 16 can be symmetrical about the vertical central axis of bolster, and the lightening hole 6 of both sides sidewall 1 can be symmetrical about the bolster longitudinal center axis left and right directions of bolster (in the Fig. 3).Because bolster inherently has symmetrical structure, the lightening hole 6 being therefore arranged at bolster sidewall 1 also needs consistent with it, and the object of this design plan is that maintenance bolster both sides quality is equal, ensures the quality balance of bolster integral.
For alleviating bolster deadweight further, ensure the structural strength of sidewall 1 simultaneously, the present embodiment arranges reinforced rib 7 structure, as shown in Figure 3, reinforced rib 7 is arranged in bolster abdominal cavity, and corresponds to spring bearing platform 5 corner, and reinforced rib about 7 is connected with upper head plate 2, bottom plate 3 respectively, therefore, claim the reinforced rib 7 of this structure for strengthening stud structure.
Research has the power load distributing of bolster when load of cavity structure, and find, there will be stress concentration phenomenon in spring bearing platform 5 corner of bolster, therefore, the design's emphasis solves this problem.Arranging reinforced rib 7 is solve the preferred version of problem of stress concentration, increases and strengthens stud structure, can reduce the steady component of stress at spring bearing platform 5 bent angle position at spring bearing platform 5 bent angle, and then improves bolster fatigue life.
In the present embodiment, reinforced rib 7 type is stud structure, is positioned at bolster abdominal cavity, and it is connected with upper head plate 2, bottom plate 3 up and down respectively.In scheme, the object that arranges of reinforced rib 7 is, coordinate bolster sidewall 1 lightening hole 6, while ensureing structural strength, maximum minimizing bolster (or sidewall 1) is conducted oneself with dignity, again, in view of sidewall 1 load is mainly vertical load, therefore, reinforced rib 7 type should be more reasonably stud structure herein.Strengthen stud and can carry more vertical load relative to horizontal bar structure, make design more be tending towards reasonable.Be appreciated that the difference according to bolster type, those skilled in the art under the prerequisite following the design's principle and object, can make corresponding adjustment to the concrete size, form, position etc. of reinforced rib 7.
The technical scheme of the present embodiment, compared to background technology, tool has the following advantages:
First, according to swing bolster load distribution, reduce repeated hole 6 at bolster sidewall 1, reject the quality close to neutral line in the middle part of bolster sidewall 1, effectively can reduce the deadweight of bolster, improve the conveying efficiency of railway truck.Meanwhile, the setting of bolster sidewall 1 lightening hole 6, is also conducive to the removing of bolster cast inside sand.
In addition, for coordinating described lightening hole 6, the reinforcement stud that can carry more vertical loads is set in spring bearing platform 5 corner, decrease the deadweight of bolster to greatest extent, ensure the structural strength of bolster, can effective optimization system structure, simultaneously, spring bearing platform 5 corner stress is reduced, and then improves the fatigue life of bolster.
Please refer to the structural representation that Fig. 5-6, Fig. 5 is the second embodiment of truck bolster for railway wagon provided by the utility model; Fig. 6 is the birds-eye view of truck bolster for railway wagon shown in Fig. 5.
In this embodiment, bolster sidewall 1 center has a pair brake unit assembly hole 9, and accordingly, the lightening hole 6 of setting is positioned at the both sides of brake unit assembly hole 9.
As shown in Figure 5, brake unit assembly hole 9 is arranged in pairs in the center of sidewall 1 usually, and effect allows that Vehicular brake device is fitted through.Brake unit assembly hole 9 is functional hole, and the object offered not is loss of weight, and principle of design neither be formulated according to loss of weight scheme, and therefore, in order to alleviate bolster deadweight further, in this programme, independently lightening hole 6 is added in design in addition.And the position of lightening hole 6 is determined by the integral structure of the position of brake unit assembly hole 9 and bolster, because brake unit assembly hole 9 is positioned at sidewall 1 medium position, consider that sidewall 1 edge stress load diatibution is more simultaneously, therefore lightening hole 6 is set in the both sides of brake unit assembly hole 9, ensure that lightening hole 6 is away from sidewall 1 edge simultaneously, but do not overlap with brake unit assembly hole 9.
In addition, the profile of lightening hole 6 can be consistent with the profile of sidewall 1 end, and as shown in Figure 5, lightening hole 6 upper limb and sidewall 1 edge all extend straight, and lower edge is all in skewed extension, and in fact, lightening hole 6 is in the class triangle with fillet.So, the area of lightening hole 6 can be increased as much as possible, with to large degree ground loss of weight, enable again distribution of stress even as much as possible.But it should be noted that correspondingly over design should be made in spring bearing platform 5 corner of close bolster, avoid the stress strengthened herein to concentrate.
Due to the position of brake unit assembly hole 9 near center, size is relatively little, generally speaking, the structural strength of brake unit assembly hole 9 pairs of bolster does not have much affect.But in the present embodiment, increase and the intensity generation certain influence of lightening hole 6 meeting to bolster sidewall 1 is set, therefore, the reinforcement stud structure coordinated with it must be set.
As shown in Figure 6, arrange 4 reinforced ribs 7 in spring bearing platform 5 corner, the position of reinforced rib 7 is similar to a upper embodiment, and wherein, each spring cushion cap corner arranges 2 reinforced ribs 7, and the two is located at the both sides of bolster cavity side by side, stressed more even to make.
For the various embodiments described above, the profile of lightening hole 6 and the profile of sidewall 1 end match, but corresponding change can be made under for the condition of keypoint part in actual design, as situation about concentrating for the spring bearing platform 5 corner stress of bolster, arranging of lightening hole 6 makes correspondingly over design herein.
In addition, for above each embodiment, each described spring bearing platform 5 corner arranges the reinforced rib 7 being no less than two.Bolster in general sense, it is wide that distance (i.e. length) between two spring bearing platforms 5 is all greater than its average diameter, so now, by increasing, plural reinforced rib 7 is set, to make up the structural strength expanding lightening hole 6 area and reduce, being relative science, can, when trying one's best loss of weight, utilizing reinforced rib 7 to ensure bolster intensity.The type of reinforced rib 7 is not limited to stud or horizontal bar herein, can be add the combination of strong stud, also can be that stud and horizontal bar are used in combination, concrete selection can be determined according to the type of the type of bolster and lightening hole 6, but when those skilled in the art design, above-mentioned principle of design should be followed, ensure the balance problem of bolster integral simultaneously.
Except above-mentioned bolster, the utility model also provides a kind of railway truck, and comprise bogie truck and bolster structure wherein, described bolster is the bolster described in above-mentioned any embodiment.Because above-mentioned bolster has above-mentioned technique effect, the railway truck with this bolster also has identical technique effect.
Above railway truck provided by the utility model and bolster thereof are all described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (6)
1. a truck bolster for railway wagon, comprise sidewall (1), upper head plate (2), bottom plate (3), and be positioned at the spring bearing platform (5) at bolster two ends, described sidewall (1), described upper head plate (2) and described bottom plate (3) enclose the abdominal cavity structure forming described bolster inside jointly, it is characterized in that, described sidewall (1) has lightening hole (6), and described bolster is provided with reinforced rib (7);
Described reinforced rib (7) is arranged in described bolster abdominal cavity, and correspond to described spring bearing platform (5) corner, and described reinforced rib (7) is connected with described upper head plate (2), described bottom plate (3) up and down respectively.
2. bolster according to claim 1, is characterized in that, described lightening hole (6) distributes axisymmetricly about bolster central axis.
3. bolster according to claim 1, it is characterized in that, described sidewall (1) center has a pair brake unit assembly hole (9), and described lightening hole (6) is positioned at the both sides of described brake unit assembly hole (9).
4. the bolster according to any one of claim 1-3, is characterized in that, the profile of described lightening hole (6) and the profile of described sidewall (1) end match.
5. the bolster according to any one of claim 1-3, is characterized in that, each described spring bearing platform (5) corner arranges the described reinforced rib (7) being no less than two.
6. a railway truck, comprises bogie truck, and described bogie truck comprises bolster structure, it is characterized in that, described bolster is the bolster described in any one of claim 1-5.
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CN201520211830.9U CN204488809U (en) | 2015-04-09 | 2015-04-09 | A kind of railway truck and bolster thereof |
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CN201520211830.9U CN204488809U (en) | 2015-04-09 | 2015-04-09 | A kind of railway truck and bolster thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112406931A (en) * | 2020-11-27 | 2021-02-26 | 中车长江铜陵车辆有限公司 | High-performance railway wagon swing bolster structure and bogie |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112406931A (en) * | 2020-11-27 | 2021-02-26 | 中车长江铜陵车辆有限公司 | High-performance railway wagon swing bolster structure and bogie |
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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 Railway Rolling Stock Co., Ltd. |