CN202279126U - Central sill assembly applicable to wagon with large weight concentrating capability - Google Patents
Central sill assembly applicable to wagon with large weight concentrating capability Download PDFInfo
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- CN202279126U CN202279126U CN2011203522325U CN201120352232U CN202279126U CN 202279126 U CN202279126 U CN 202279126U CN 2011203522325 U CN2011203522325 U CN 2011203522325U CN 201120352232 U CN201120352232 U CN 201120352232U CN 202279126 U CN202279126 U CN 202279126U
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Abstract
The utility model discloses a central sill assembly applicable to a wagon with a large weight concentrating capability, which is characterized by comprising two fish-belly-shaped central sills made of H-shaped steel, wherein the distance between inner sides of two webs of the central shill is 400-600 mm and the two webs are connected through a central sill separation plate; the height of a fish-belly-shaped section of the central sill is more than 700 mm and is gradually reduced towards two ends; 'omega'-shaped inner draft sills are nested between the webs at two end parts of the central sill and the distance between the inner sides of the inner draft sills is 350 mm. A nested type double-web central sill structure is welded by the two fish-belly-shaped H-shaped steel central sills and the nested cap type inner draft sills and the distance between the webs of the two fish-belly-shaped H-shaped steel central sills can be expanded to 400-600 mm, so that large-sized profile steel with a wider winged edge is used as the central sill and an operation space of welding the central sill separation plate is ensured; the central sill can obtain greater rigidity and strength by welding the central sill made of the large-sized profile steel so that the central sill is adapted to the wagon with the 80-t or 90-t grade weight concentrating capability; and by utilizing the nested cap type inner draft sills, the mounting and linking of a 350-mm coupler buffering device are realized.
Description
Technical field
The utility model relates to the middle girder construction that a kind of railway truck is used, and is adapted to collect the big car body of Beijing South Maxpower Technology Co. Ltd's power, can make the collection Beijing South Maxpower Technology Co. Ltd power of vehicle rise to 80t or 90t level from the 70t level.
Background technology
Along with the great-leap-forward development that " fast, close, heavy " develops simultaneously, railway truck has been realized the skill upgrading of 60t level to the 70t level, and towards 80t level and even the development of 90t level, vehicle performance requires increasingly high.And; Distance via railway is long in order to give full play to, the progress of the low advantage that consumes energy with the propelling material flow industry; The scope of fit carrying of railway truck is also in continuous expansion, constantly gets into the category of railway transportation such as highdensity goods such as generator amature, large-scale coil of strips, and this has just proposed higher requirement to the collection Beijing South Maxpower Technology Co. Ltd power of railway truck; The power 70t/5m of collection Beijing South Maxpower Technology Co. Ltd of existing railway lorry can not meet the demands, and collection Beijing South Maxpower Technology Co. Ltd power need be to 80t/5m and even 90t/5m development.
The main load bearing component of lorry body by central sill form, curb girder is formed and sleeper beam is formed; Wherein central sill is formed the main backbone as car body; Having born the load-carrying of vehicle 60%～70%, is the core component of car body, and its structural strength directly influences the vehicle load performance heavy with collection.Make a general survey of the middle girder construction of the bigger existing railway lorry of collection Beijing South Maxpower Technology Co. Ltd power, adopt the box-structure of 2 H shaped steel and sheet material welding more, the section factor of this structure is big, has bigger rigidity and intensity, but the expansion of this typical structure receives many effects limit.At first, influence because of receiving metallurgical technology, forming technique, the material property grade of central sill shaped steel improves little, and material yield limit maximum can only reach 450MPa, and the lifting through material improves the central sill performance and do not have feasibility.Secondly, the spacing of middle beam end is as the running-on that connects for motor vehicle coupler and draft gear, and its value is the 350mm that fixes, and this spacing is less then can to form contradiction with central sill dividing plate welding action required space.If adopt the H shaped steel of bigger height, influence because of receiving roll forming, H shaped steel wing hem width degree certainly will will increase, and the wing limit spacing of 2 central sills can not guarantee the operational space of dividing plate welding, so the H shaped steel depth of section maxim of existing vehicle can only reach 700mm.
To the limitation of shaped steel, the central sill of existing vehicle is formed the form have entirely with the steel plate welding, but the influence of this mode welding deformation is difficult to control, and the requirement of butt welded seam quality, tooling device is very strict, and the manufacturing process difficulty is big.In addition, the increasing section height also can be invaded the bottom gauge simply, otherwise needs to improve vehicle carrying surface height, causes upper shift of gravity center, and is unfavorable to the riding quality of vehicle.
Receive the limitation of central sill strength and stiffness; Existing lorry can only corresponding increase curb girder cross section improves the integral rigidity of car body; Often curb girder is the same with middle beam section high, and the problem that causes is exactly that the curb girder bottom is too little apart from the space of gauge, is not easy to station inspector and gets into car inspection down; Effectiveness affects to row inspection work is bigger, becomes the typical problem of the great railway truck of collection.
In sum; Be to improve the collection Beijing South Maxpower Technology Co. Ltd power of railway truck, must improve the cross section performance of central sill, need be in overcoming the limitation of Available Material, guaranteeing under the prerequisite of girder construction inherent characteristic; Increase central sill bending resistance, anti-twisting property with the assurance stability of structure, and solve the problems of application.
Summary of the invention
In order to address the above problem; The utility model purpose provides a kind of railway truck that adapts to big collection Beijing South Maxpower Technology Co. Ltd power to be formed with central sill, adopts the mode that increases 2 H shaped steel spacings, increases the shaped steel depth of section to guarantee central sill welding, beam section performance in the raising; Adopt the two web draw beams of nested type to guarantee the cuff size requirement of coupler and draft gear simultaneously; Make central sill still have the fixed sturcture characteristic, have bigger rigidity and intensity again, satisfy the requirement that car body collection Beijing South Maxpower Technology Co. Ltd power improves.
Specifically; The utility model is taked following technical scheme: a kind of railway truck that adapts to big collection Beijing South Maxpower Technology Co. Ltd power is formed with central sill; It is characterized in that: it comprises two fish belly type central sills of being made by H shaped steel, and the inboard spacing of central sill two webs is 400～600mm, connects through the central sill dividing plate; Said central sill fish belly portion depth of section reduces to two ends more than 700mm gradually, draw beam in the embedded " between the web at central sill both ends, said in the inboard spacing of draw beam be 350mm.
The lower plane on the end face of draw beam and central sill upper limb limit welding in said, the bottom wing limit and the middle lower flange of girder side weld of said interior draw beam connect.
Be fixed with front draft lug and rear draft lug on the draw beam in said.
In said, on the web, the position of corresponding front draft lug and rear draft lug is emptied respectively, a follower seat hole strength beam, an end and the welding of interior draw beam, the other end passes the web of emptying, in the outside and the welding of middle web.
The inboard terminal of draw beam in said is provided with a pillow median septum, and said pillow median septum is connected between central sill two webs, and is corresponding with the car body sleeper beam position of web outside.
Said pillow median septum and central sill bottom connect a cartridge backing plate, on the cartridge backing plate cartridge are installed.On cartridge backing plate and central sill, be connected a pillow back cartridge brace panel.
Position in the corresponding car body pillow covers connecting panel in the pillow on said central sill upper limb limit.
Between said central sill fish belly portion upper limb limit, cover upper cover plate, cover lower cover between the bottom wing limit and form box-structure.
The bottom wing limit of beam end excision in said.
The utility model is owing to take above technical scheme; It has the following advantages: 1, the utility model becomes girder construction in the two webs of nested type by draw beam assembly welding in two fish belly type H shaped steel central sills and the nested shape for hat; The web spacing of two fish belly type H shaped steel central sills can expand 400～600mm to; Realized doing central sill than the heavy section steel on wide width wing limit; Guaranteed the operational space of central sill dividing plate welding, the central sill assembly welding of heavy section steel can make central sill obtain bigger rigidity and intensity, adapts to the railway truck of 80t or 90t level collection Beijing South Maxpower Technology Co. Ltd power; Realized the installation running-on of 350mm coupler and draft gear by draw beam in the nested hat shape steel.2, fish belly type central sill cuts into fish belly shape by large-scale hot rolled H-shaped more than the depth of section 700mm; Guarantee central sill high cross section, middle part so that central sill when obtaining high rigidity, makes its end cross-sectional satisfy the high and high dual restriction of bogie truck of floor again, effective transition of middle beam section has realized the transition of structural stress; Eliminated the weld seam of girder structural section variation place; Relieve stresses is concentrated level, and beam stress is even in making, quality and the life-span that can improve the central sill main body.3, riveted joint front draft lug and rear draft lug on the interior draw beam; Corresponding front draft lug of middle web and rear draft lug place are emptied; Empty the riveted joint space of the enough front draft lugs of area and rear draft lug and interior draw beam, and edge system doorframe type follower seat hole strength beam, inside and outside web connected; Realized the amphisternous connection of draw beam; The part longitudinal force can be delivered to middle web through follower seat hole strength beam, and longitudinal force can be eliminated the stress concentration of draw beam under two web effects, improves the force-bearing situation of draw beam.4, interior draw beam longitudinal termination is to the pillow median septum, and the web that the pillow stage casing adopts individual pillow median septum to connect fish belly type central sill is inboard, makes the part longitudinal force to be delivered to outer web through the pillow median septum.5, pillow median septum connecting panel in cartridge backing plate, pillow connects central sill; Form box-structure and both realized that vertical cartridge supported; Contribute powerful node for horizontal car body sleeper beam structure connects again, guaranteed the sufficient intensity of the synthetic point of vertical, horizontal, longitudinal force.6, central sill fish belly portion becomes box-structure by middle web, central sill dividing plate, central sill lower cover, central sill upper cover plate assembly welding, thereby has bigger vertical, horizontal and torsional stiffness.7, the two ends of central sill, bottom wing limit, the outside can partly be excised to satisfy the operational requirements of truck brake rigging.
Description of drawings
Fig. 1 is the utility model schematic perspective view (a cancellation central sill lower cover);
Fig. 2 looks scheme drawing for the utility model master;
Fig. 3 is the utility model schematic top plan view;
Fig. 4 is the structural representation of middle beam end and interior draw beam;
Fig. 5 is a follower seat hole strength beam scheme of installation;
Fig. 6 is pillow median septum scheme of installation (cancelling a fish belly type H shaped steel central sill);
Fig. 7 is middle crown plate central structure scheme drawing;
Fig. 8 is a connecting panel scheme of installation in central sill upper cover plate and the pillow;
Fig. 9 is a central sill fish belly cross section scheme drawing.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is carried out detailed description.
Shown in Fig. 1～3; The utility model comprises: the fish belly type central sill of being done by two H shaped steel 1; Be positioned at the draw beam 2 of central sill two end webs, be fixed on front draft lug 3, rear draft lug 4 and follower seat hole strength beam 5 on the interior draw beam, be arranged in the pillow median septum 6 and cartridge backing plate 7 of draw beam 2 rear webs; Be installed in body center plate 8 and pillow back cartridge brace panel 9 on the cartridge backing plate; And be arranged in the pillow connecting panel 10 between central sill upper limb limit, and be positioned at the central sill dividing plate 11 of central sill central-web, be positioned at the upper cover plate 12 at central sill top, the lower cover 13 of bottom.
Fish belly type central sill 1 is by the large-scale hot rolled H-shaped fish belly type that cuts into more than the depth of section 700mm; Wherein, the middle part depth of section is constant, becomes fish belly portion; To two ends gradually step-down through pillow middle part; Form tractive unit at last, the bottom wing limit excision that tractive unit is inboard makes whole central sill appear to the fish belly shape.Two identical fish belly type central sills 1 are arranged side by side, and the inboard spacing of its web can be controlled between 400～600mm according to requirement of strength, shaped steel aerofoil width and vehicle component layout.
Tractive unit web inboard be provided with a " nested in draw beam 2.Interior draw beam 2 is clod wash or hot rolled steel, and the inboard spacing of two webs of interior draw beam 2 satisfies the running-on requirement of vehicle coupler and draft gear for fixing 350mm.As shown in Figure 4, the lower plane weld together on the end face of interior draw beam 2 and central sill tractive unit upper limb limit, the bottom wing limit butt welding of the bottom wing limit of interior draw beam 2 and central sill 1, thereby the tractive unit of central sill and interior draw beam have formed the two web draw beam structures of nested type.The two web draw beams of the nested type of this form have bigger impact resistance, can bear the bigger longitudinal traction and the longitudinal impact force of heavy lorry generation in service.
As shown in Figure 1, pillow median septum 6 and central sill bottom connect cartridge backing plate 7, and cartridge backing plate 7 is fixed on the cartridge backing plate 7 body center plate 8 as the seat board of body center plate 8 through the riveted joint form.Body center plate 8 cooperates with the bogie truck truck center plate, realizes location, the power transmission of car body on bogie truck.Be the support of cooperation body center plate, and increase fish belly type central sill 1 local strength, have additional pillow back cartridge brace panel 9 at the body center plate place, divide left and right two to connect cartridge backing plates 7 and central sill 1 at the fish belly variation portion.Position in the corresponding pillow; Between central sill 1 upper limb limit, connecting panel 10 in the pillow is set; As shown in Figure 8; The crown plate middle part forms box-structure together by connecting panel 10 in central sill 1, pillow median septum 6, cartridge backing plate 7 and the pillow in making, has increased the Joint strenght of structure in the middle crown plate, has improved antitorque, the anti-water chestnut distortion of this position of central sill.
In central sill fish belly portion; Be provided with a plurality of central sill dividing plates 11 between two webs, central sill upper cover plate 12 is set between the upper limb limit, central sill lower cover 13 is set between the bottom wing limit forms box-structure; As shown in Figure 9; It is vertical, laterally and torsional stiffness to strengthen central sill, makes central sill have enough strength and stiffness bearing the longitudinal force that the draw beam transmission comes, and bears the vertical application force that the payload of freight container that comes is transmitted in curb girder, sleeper beam and each transverse beam.
At the fish belly end, the bottom wing limit, the outside of two central sills 1 can partly be excised to satisfy the operational requirements of truck brake rigging.
Claims (10)
1. the railway truck of the big collection of an adaptation Beijing South Maxpower Technology Co. Ltd power is formed with central sill, and it is characterized in that: it comprises two fish belly type central sills of being made by H shaped steel, and the inboard spacing of central sill two webs is 400～600mm, connects through the central sill dividing plate; Said central sill fish belly portion depth of section reduces to two ends more than 700mm gradually, draw beam in the embedded " between the web at central sill both ends, said in the inboard spacing of draw beam be 350mm.
2. the railway truck that adaptation as claimed in claim 1 collects Beijing South Maxpower Technology Co. Ltd's power is greatly formed with central sill, it is characterized in that: the lower plane on the end face of draw beam and central sill upper limb limit welding in said, the bottom wing limit and the middle lower flange of girder side weld of said interior draw beam connect.
3. according to claim 1 or claim 2 the adaptation railway truck that collects Beijing South Maxpower Technology Co. Ltd's power is greatly formed with central sill, it is characterized in that: be fixed with front draft lug and rear draft lug on the draw beam in said.
4. the railway truck that adaptation as claimed in claim 3 collects Beijing South Maxpower Technology Co. Ltd's power is greatly formed with central sill; It is characterized in that: in said on the web; The position of corresponding front draft lug and rear draft lug is emptied a follower seat hole strength beam, an end and the welding of interior draw beam respectively; The other end passes the web of emptying, in the outside and the welding of middle web.
5. the railway truck that adaptation as claimed in claim 1 collects Beijing South Maxpower Technology Co. Ltd's power is greatly formed with central sill; It is characterized in that: the inboard terminal of draw beam in said; One pillow median septum is set, and said pillow median septum is connected between central sill two webs, and is corresponding with the car body sleeper beam position of web outside.
6. the railway truck that adaptation as claimed in claim 5 collects Beijing South Maxpower Technology Co. Ltd's power is greatly formed with central sill, it is characterized in that: said pillow median septum and central sill bottom connect a cartridge backing plate, on the cartridge backing plate cartridge are installed.
7. the railway truck that adaptation as claimed in claim 6 collects Beijing South Maxpower Technology Co. Ltd's power is greatly formed with central sill, it is characterized in that: on cartridge backing plate and central sill, be connected a pillow back cartridge brace panel.
8. the railway truck that adaptation as claimed in claim 1 collects Beijing South Maxpower Technology Co. Ltd's power is greatly formed with central sill, it is characterized in that: position in the corresponding car body pillow covers connecting panel in the pillow on said central sill upper limb limit.
9. the railway truck that adaptation as claimed in claim 1 collects Beijing South Maxpower Technology Co. Ltd's power is greatly formed with central sill, it is characterized in that: between said central sill fish belly portion upper limb limit, cover upper cover plate, cover lower cover between the bottom wing limit and form box-structure.
10. the railway truck that adaptation as claimed in claim 1 collects Beijing South Maxpower Technology Co. Ltd's power is greatly formed with central sill, it is characterized in that: the bottom wing limit of beam end excision in said.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203522325U CN202279126U (en) | 2011-09-20 | 2011-09-20 | Central sill assembly applicable to wagon with large weight concentrating capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203522325U CN202279126U (en) | 2011-09-20 | 2011-09-20 | Central sill assembly applicable to wagon with large weight concentrating capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202279126U true CN202279126U (en) | 2012-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203522325U Expired - Lifetime CN202279126U (en) | 2011-09-20 | 2011-09-20 | Central sill assembly applicable to wagon with large weight concentrating capability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202279126U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358311A (en) * | 2011-09-20 | 2012-02-22 | 南车二七车辆有限公司 | Central beam assembly applicable to railway wagon having large weight-concentrating capability |
| CN103318217A (en) * | 2013-06-29 | 2013-09-25 | 南车南京浦镇车辆有限公司 | Mounting structure of car-coupler shock absorber |
| RU188833U1 (en) * | 2019-03-12 | 2019-04-24 | Общество с ограниченной ответственностью "Всесоюзный научно-исследовательский центр транспортных технологий" (ООО "ВНИЦТТ") | Spinal beam rail frame vehicle |
| CN110304088A (en) * | 2019-07-01 | 2019-10-08 | 中车长江车辆有限公司 | A kind of railway freight-car and its chassis assembly |
-
2011
- 2011-09-20 CN CN2011203522325U patent/CN202279126U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358311A (en) * | 2011-09-20 | 2012-02-22 | 南车二七车辆有限公司 | Central beam assembly applicable to railway wagon having large weight-concentrating capability |
| CN102358311B (en) * | 2011-09-20 | 2014-02-19 | 南车二七车辆有限公司 | Central beam assembly applicable to railway wagon having large weight-concentrating capability |
| CN103318217A (en) * | 2013-06-29 | 2013-09-25 | 南车南京浦镇车辆有限公司 | Mounting structure of car-coupler shock absorber |
| CN103318217B (en) * | 2013-06-29 | 2016-08-17 | 中车南京浦镇车辆有限公司 | A kind of mounting structure of coupler and draft gear |
| RU188833U1 (en) * | 2019-03-12 | 2019-04-24 | Общество с ограниченной ответственностью "Всесоюзный научно-исследовательский центр транспортных технологий" (ООО "ВНИЦТТ") | Spinal beam rail frame vehicle |
| CN110304088A (en) * | 2019-07-01 | 2019-10-08 | 中车长江车辆有限公司 | A kind of railway freight-car and its chassis assembly |
| CN110304088B (en) * | 2019-07-01 | 2021-07-27 | 中车长江车辆有限公司 | Railway wagon and underframe assembly thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120620 Effective date of abandoning: 20140219 |
|
| RGAV | Abandon patent right to avoid regrant |