CN114179921A - Integrated form passenger train drive shaft skeleton with adjustable width - Google Patents
Integrated form passenger train drive shaft skeleton with adjustable width Download PDFInfo
- Publication number
- CN114179921A CN114179921A CN202111641727.4A CN202111641727A CN114179921A CN 114179921 A CN114179921 A CN 114179921A CN 202111641727 A CN202111641727 A CN 202111641727A CN 114179921 A CN114179921 A CN 114179921A
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- frame
- wheel house
- width
- drive shaft
- framework
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D31/00—Superstructures for passenger vehicles
- B62D31/02—Superstructures for passenger vehicles for carrying large numbers of passengers, e.g. omnibus
- B62D31/025—Superstructures for passenger vehicles for carrying large numbers of passengers, e.g. omnibus having modular sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
- B62D27/023—Assembly of structural joints
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Body Structure For Vehicles (AREA)
Abstract
本发明公开了一种宽度可调节的集成式客车驱动轴骨架，包括骨架本体，骨架本体具有中部骨架、左轮罩骨架和右轮罩骨架，左轮罩骨架和右轮罩骨架相互对称地设置于中部骨架的两侧，使得中部骨架上方形成车内过道；中部骨架包括左侧骨架、右侧骨架和连接组件；左侧骨架与左轮罩骨架一体铸造成型，右侧骨架与右轮罩骨架一体铸造成型；左侧骨架和右侧骨架通过连接组件连接，并实现车内过道的宽度调节。本发明的客车驱动轴骨架采用一体铸造成型的左右两部分骨架相互拼接而成，不仅能够实现高度集成化，而且能够实现车内过道的宽度调节，使其满足不同车型的宽度需求，具有组装效率高、定位精度高、通用性好、故障率低和结构强度高等优点。
The invention discloses an integrated bus drive shaft frame with adjustable width, comprising a frame body, the frame body has a middle frame, a left wheel house frame and a right wheel house frame, and the left wheel house frame and the right wheel house frame are symmetrically arranged in the middle part The two sides of the frame make the interior aisle formed above the middle frame; the middle frame includes the left frame, the right frame and the connecting components; the left frame and the left wheel house frame are integrally cast, and the right frame and the right wheel house frame are integrally cast. ; The left frame and the right frame are connected by connecting components, and the width adjustment of the aisle in the car is realized. The bus drive shaft skeleton of the present invention is formed by splicing the left and right skeletons formed by integral casting, which can not only achieve high integration, but also realize the width adjustment of the aisle in the vehicle, so that it can meet the width requirements of different vehicle models, and has assembly efficiency It has the advantages of high positioning accuracy, good versatility, low failure rate and high structural strength.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to an integrated passenger car driving shaft framework with adjustable width.
Background
In the current industry, passenger train skeleton based on independent suspension wheel limit actuating system is steel tube welded structure, and this kind of structure relies on the welder's skill and welding jig's precision extremely, and welding process also is difficult to handle accuse, if there is the deviation slightly, just can lead to four-wheel positioning deviation to welding strength subalternation problem appears. In addition, the welded structure of the steel pipe has the defects of low manufacturing efficiency, high labor cost, poor applicability, poor light weight level and the like.
Disclosure of Invention
The invention provides an integrated passenger car driving shaft framework with adjustable width, and mainly aims to solve the problems in the prior art.
The invention adopts the following technical scheme:
an integrated passenger car driving shaft framework with adjustable width comprises a framework body, wherein the framework body is provided with a middle framework, a left wheel cover framework and a right wheel cover framework, and the left wheel cover framework and the right wheel cover framework are symmetrically arranged on two sides of the middle framework, so that an in-car passageway is formed above the middle framework; the middle framework comprises a left side framework, a right side framework and a connecting assembly; the left side framework and the left wheel cover framework are integrally cast and formed, and the right side framework and the right wheel cover framework are integrally cast and formed; the left side framework and the right side framework are connected through the connecting assembly, and the width adjustment of the aisle in the vehicle is realized.
Further, the connection assembly includes a coupling sleeve and a bolt; the two ends of the joint sleeve are respectively sleeved outside the left side framework and the right side framework and are locked through the bolts.
Furthermore, the left side framework and the right side framework are both provided with a plurality of first adjusting screw holes; the joint sleeve is Contraband-shaped, and a plurality of second adjusting screw holes are formed in two side walls of the joint sleeve; the joint sleeve is adjustably connected to the left side framework and the right side framework through bolts matched with the first adjusting screw hole and the second adjusting screw hole.
Further, the frame body is integrally cast with a wheel driving system mounting position and a suspension system mounting position, and is machined with a wheel driving system mounting hole and a suspension system mounting hole.
Further, the suspension system mounting positions comprise upper fork wall mounting positions and lower fork arm mounting positions, and the suspension system mounting holes comprise upper fork wall mounting holes and lower fork arm mounting holes; the upper fork wall mounting positions are integrally cast in the left wheel casing framework and the right wheel casing framework, and the upper fork wall mounting holes are machined in the left wheel casing framework and the right wheel casing framework; the left side skeleton and the right side skeleton bottom are all cast integratively and are had lower yoke mounting position, and machining has lower yoke mounting hole.
Furthermore, the wheel driving system mounting position comprises an air bag mounting position, and the wheel driving system mounting hole comprises an air bag mounting hole; the left wheel cover framework and the right wheel cover framework are internally and integrally cast with the air bag mounting positions and are machined with the air bag mounting holes.
Further, the wheel-side drive system mounting location comprises a damper mounting location, and the wheel-side drive system mounting hole comprises a damper mounting hole; the shock absorber mounting position is cast integrally in the left wheel casing framework and the right wheel casing framework, and the shock absorber mounting hole is machined.
Furthermore, a plurality of wiring grooves for pipelines to pass through are integrally cast at the bottoms of the left side framework and the right side framework.
Furthermore, a plurality of lightening holes are integrally cast on the left side framework, the right side framework, the left wheel cover framework and the right wheel cover framework.
Further, the left side skeleton with the left side wheel casing skeleton, and the right side skeleton with the right side wheel casing skeleton is the aluminium skeleton of integrated casting shaping.
Compared with the prior art, the invention has the beneficial effects that:
the driving shaft framework of the passenger car is formed by mutually splicing a left part framework and a right part framework which are integrally cast and formed, not only can high integration be realized, the problem of four-wheel positioning deviation caused by manual welding is solved, but also the width adjustment of the passageway in the car can be realized, so that the width requirements of different car types are met, and the driving shaft framework of the passenger car has the advantages of high assembly efficiency, high positioning precision, good universality, low failure rate, high structural strength and the like.
Drawings
Fig. 1 is a first perspective view of the present invention (bolts not shown).
Fig. 2 is a second perspective view of the present invention.
Fig. 3 is an exploded view of the present invention.
Fig. 4 is a front view of the present invention (bolts not shown).
Fig. 5 is a side view of the present invention.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings. Numerous details are set forth below in order to provide a thorough understanding of the present invention, but it will be apparent to those skilled in the art that the present invention may be practiced without these details.
Referring to fig. 1 to 3, an integrated passenger car drive shaft skeleton with adjustable width comprises a skeleton body, wherein the skeleton body is provided with a middle skeleton 1, a left wheel cover skeleton 2 and a right wheel cover skeleton 3, and the left wheel cover skeleton 2 and the right wheel cover skeleton 3 are symmetrically arranged at two sides of the middle skeleton 1, so that an in-car passageway 10 is formed above the middle skeleton 1; the middle framework 1 comprises a left framework 11, a right framework 11 and a connecting assembly 13; the left side framework 11 and the left wheel cover framework 2 are integrally cast and formed, and the right side framework 12 and the right wheel cover framework 3 are integrally cast and formed; the left side framework 11 and the right side framework 12 are connected through a connecting assembly 13, and width adjustment of the aisle 10 in the vehicle is achieved. The driving shaft framework of the passenger car is formed by mutually splicing a left part framework and a right part framework which are integrally cast and formed, not only can high integration be realized, the problem of four-wheel positioning deviation caused by manual welding is solved, but also the width adjustment of the passageway in the car can be realized, so that the width requirements of different car types are met, and the driving shaft framework of the passenger car has the advantages of high assembly efficiency, high positioning precision, good universality, low failure rate, high structural strength and the like.
Referring to fig. 1, 3 and 4, the connection assembly 13 includes a coupling sleeve 131 and a bolt 132; the two ends of the joint sleeve 13 are respectively sleeved outside the left side frame 11 and the right side frame 12, and are locked by the bolt 132. Specifically, the left side framework 11 and the right side framework 12 are both provided with a plurality of first adjusting screw holes 111; the joint sleeve 131 is Contraband-shaped, and two side walls of the joint sleeve 131 are provided with a plurality of second adjusting screw holes 133; the engaging sleeve 133 is adjustably coupled to the left and right frames 11 and 12 by means of bolts 132 fitted into the first and second adjustment screw holes 111 and 133. The design can ensure that the width of the aisle 10 in the vehicle can be adjusted more simply and conveniently, and the integral structural strength of the middle framework 1 can be ensured. In this embodiment, the first adjusting screw hole 111/the second adjusting screw hole 133 may be integrally cast with the left side frame 11 and the right side frame 12/the joint sleeve 131 to fully optimize the production process, or may be machined at a later stage to fully ensure the positioning accuracy, which is not limited herein. Besides the bolt type connection provided by the embodiment, in practical application, connection modes such as riveting and the like can be adopted.
Referring to fig. 2, 4 and 5, the frame body is integrally cast with wheel-side driving system mounting positions and suspension system mounting positions, and is machined with wheel-side driving system mounting holes and suspension system mounting holes.
Referring to fig. 2 and 5, specifically, the suspension system mounting locations include an upper yoke wall mounting location 41 and a lower yoke mounting location 51, and the suspension system mounting holes include an upper yoke wall mounting hole 42 and a lower yoke mounting hole 52; upper fork wall mounting positions 41 are integrally cast in the left wheel casing framework 2 and the right wheel casing framework 3, and upper fork wall mounting holes 42 are machined in the upper fork wall mounting positions; the bottoms of the left side framework 11 and the right side framework 12 are integrally cast with lower fork arm mounting positions 51 and are machined with lower fork arm mounting holes 52. The upper fork wall mounting position 41 and the upper fork wall mounting hole 42 form an upper fork wall mounting part 4; the lower fork wall mounting portion 51 and the lower fork wall mounting hole 52 constitute the lower fork wall mounting portion 5. Specifically, two upper protruding ribs 43 are integrally cast at corresponding positions of the upper fork wall mounting position 41 of the left wheel cover framework 2 and the right wheel cover framework 3, and an upper fork wall mounting hole 42 is machined in the middle of each upper protruding rib 43; two lower ribs 53 are integrally cast at corresponding positions of the lower fork wall mounting position 51 of the left side framework 11 and the right side framework 12, lower fork wall mounting holes 52 are machined in the middle of the lower ribs 53, so that the structural strength of the framework body can be fully ensured, and the stable connection of the upper fork arm and the lower fork arm is ensured. It should be noted that, in practical applications, the suspension structure may also adopt a non-double-fork arm structure, and be changed into a multi-link structure or a rigid bridge structure.
Referring to fig. 2 and 5, specifically, the wheel-side drive system mounting location includes an airbag mounting location 61, and the wheel-side drive system mounting hole includes an airbag mounting hole 62; airbag mounting positions 61 are integrally cast in the left wheel cover framework 2 and the right wheel cover framework 3, and airbag mounting holes 62 are machined in the left wheel cover framework and the right wheel cover framework. The airbag mounting portion 6 is constituted by the airbag mounting portion 61 and the airbag mounting hole 62. Specifically, the left wheel house frame 2 and the right wheel house frame 3 are integrally cast with a sink 63 at positions corresponding to the airbag mounting positions 61, and airbag mounting holes 62 are machined in the bottoms of the sink 63. Thus, the structural strength of the left wheel cover framework 2 and the right wheel cover framework 3 can be fully ensured, and the stable connection of the air bag is ensured. In practical application, a single-air-bag structure or a double-air-bag structure can be adopted according to requirements, and the double-air-bag structure is preferred in the embodiment.
Referring to fig. 2 and 5, specifically, the wheel-side drive system mounting position further includes a damper mounting position 71, and the wheel-side drive system mounting hole further includes a damper mounting hole 72; the damper mounting positions 71 are integrally cast in the left wheel casing framework 2 and the right wheel casing framework 3, and damper mounting holes 72 are machined in the left wheel casing framework and the right wheel casing framework. The damper mounting position 71 and the damper mounting hole 72 constitute the damper mounting portion 7. Specifically, a support plate 73 is integrally cast on the left wheel house frame 2 and the right wheel house frame 3 at positions corresponding to the damper mounting positions 71, and damper mounting holes 72 are machined in the support plate 73. Thus, the structural strength of the left wheel casing framework 2 and the right wheel casing framework 3 can be fully ensured, and the stable connection of the shock absorber is ensured. In practical applications, a single-damper structure or a double-damper structure may be adopted according to requirements, and the double-damper structure is preferred in the embodiment.
Referring to fig. 1 to 4, a plurality of routing grooves 14 for pipelines to pass through are integrally cast at the bottom of the left side framework 11 and the right side framework 12. Specifically, 3 wiring grooves 14 are arranged side by side at the front and rear ends of the bottoms of the left side framework 11 and the right side framework 12, so that high and low voltage wiring harnesses, air pipes, oil pipes, water pipes and other pipelines can be intensively arranged in the wiring grooves 14.
Referring to fig. 1 to 5, the left side frame 11, the right side frame 12, the left wheel house frame 2, and the right wheel house frame 3 are integrally cast with a plurality of lightening holes 8. The shape of lightening hole 8 differs, can design for square hole, circular port or triangle-shaped hole etc. specifically carries out optimization analysis based on overall structure intensity to carry out the trompil design pertinence. In addition, the middle of the bottom of the middle framework 1 is provided with a yielding concave part which is approximately in an isosceles trapezoid shape, and the middle parts of two adjacent upper convex ribs 43 and two adjacent lower convex ribs 53 are also provided with the yielding concave parts, so that the framework body 1 can be further lightened.
Referring to fig. 1 to 5, as a preferred embodiment: the left side framework 11 and the left wheel casing framework 2, and the right side framework 12 and the right wheel casing framework 3 are all integrally cast aluminum frameworks. The present invention makes full use of the low density characteristic of aluminum alloys and contributes to further improvement in weight reduction.
Referring to fig. 1 to 5, a manufacturing method of the integrated passenger car drive shaft framework is described below based on the specific structure of the integrated passenger car drive shaft framework, and the manufacturing method includes the following steps:
(1) carrying out simulation optimization design on the structure of the driving shaft framework;
(2) die-casting a part to be cast according to the result of the simulation optimization design to obtain a framework blank;
(3) and machining the framework blank, and splicing the left framework 11 and the right framework 12 by adopting the connecting assembly to obtain the framework body. Specifically, in the step, a coordinate boring machine is adopted to perform hole site processing on the framework blank, so that a wheel-side driving system mounting hole and a suspension system mounting hole are obtained. Because the wheel side driving system and the suspension system have high requirements on the installation precision and the hole position precision, the invention can fully ensure the installation positioning precision by adopting machining treatment. Preferably, the wheel drive system mounting holes include the air bag mounting hole 62 and the shock absorber mounting hole 72, and the suspension system mounting holes include the upper yoke mounting hole 42 and the lower yoke mounting hole 52.
In summary, the conventional welded type framework is formed by welding a plurality of parts (iron square steel and steel plate), a large amount of welding work is required, the working efficiency is low, and the manufacturing precision is difficult to control. The integrated passenger car drive shaft framework provided by the invention integrates all parts, designs and manufactures, greatly simplifies the supply chain matching, reduces the number of parts and process steps, shortens the production period, is beneficial to improving the efficiency and reducing the cost, adopts a more optimized engineering structure, avoids the problems of structural strength and positioning accuracy caused by welding, has high integral manufacturing accuracy, and can ensure the mounting and positioning accuracy of a wheel edge drive system and a suspension system. In addition, the integrated passenger car drive shaft framework provided by the invention is provided with the width adjusting mechanism, the width of the middle passageway 10 can be adjusted according to requirements, the framework is suitable for various different car types, and the framework is strong in practicability and wide in application range.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111641727.4A CN114179921A (en) | 2021-12-30 | 2021-12-30 | Integrated form passenger train drive shaft skeleton with adjustable width |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111641727.4A CN114179921A (en) | 2021-12-30 | 2021-12-30 | Integrated form passenger train drive shaft skeleton with adjustable width |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114179921A true CN114179921A (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111641727.4A Pending CN114179921A (en) | 2021-12-30 | 2021-12-30 | Integrated form passenger train drive shaft skeleton with adjustable width |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114104120A (en) * | 2021-12-30 | 2022-03-01 | 厦门金龙联合汽车工业有限公司 | Integrated passenger car driving shaft framework and manufacturing method thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999050128A1 (en) * | 1998-03-30 | 1999-10-07 | David Howard Gee | Variable track vehicle |
| US20040036266A1 (en) * | 2000-02-23 | 2004-02-26 | Tardini Gian Paolo | Modular frame for transportation vehicle having depressed flatbed |
| EP1749733A2 (en) * | 2005-08-06 | 2007-02-07 | MAN Nutzfahrzeuge Aktiengesellschaft | Framework of a vehicle exhibiting predefined openings and receiving sections for the connection of different modules and the process of the modul assembly therein |
| CN101503099A (en) * | 2009-03-12 | 2009-08-12 | 中通客车控股股份有限公司 | Motor bus unitary body with large-sized rectangular tube underframe |
| CN104245466A (en) * | 2012-02-14 | 2014-12-24 | 伊丽·伯诺利尔 | Modular Transport Vehicle |
| CN205097850U (en) * | 2015-10-27 | 2016-03-23 | 重庆穗通实业股份有限公司 | Bear preceding independent suspension structure of formula [electric] motor coach entirely |
| EP3081449A1 (en) * | 2015-04-14 | 2016-10-19 | Faroex Ltd. | Floor construction for a vehicle |
| CN106536278A (en) * | 2014-03-27 | 2017-03-22 | 汤姆逊许可公司 | A driveable vehicle unit |
| CN206485396U (en) * | 2017-01-18 | 2017-09-12 | 天津美派电动科技有限公司 | A kind of follow-on electric scooter chassis |
| CN108082290A (en) * | 2016-11-22 | 2018-05-29 | 现代自动车株式会社 | The side structure of car |
| CN210370687U (en) * | 2019-07-05 | 2020-04-21 | 中交三公局第一工程有限公司 | A formwork trolley with adjustable formwork size for construction |
| CN112537373A (en) * | 2020-12-04 | 2021-03-23 | 中车南京浦镇车辆有限公司 | Train body and rubber wheel train |
-
2021
- 2021-12-30 CN CN202111641727.4A patent/CN114179921A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999050128A1 (en) * | 1998-03-30 | 1999-10-07 | David Howard Gee | Variable track vehicle |
| US20040036266A1 (en) * | 2000-02-23 | 2004-02-26 | Tardini Gian Paolo | Modular frame for transportation vehicle having depressed flatbed |
| EP1749733A2 (en) * | 2005-08-06 | 2007-02-07 | MAN Nutzfahrzeuge Aktiengesellschaft | Framework of a vehicle exhibiting predefined openings and receiving sections for the connection of different modules and the process of the modul assembly therein |
| CN101503099A (en) * | 2009-03-12 | 2009-08-12 | 中通客车控股股份有限公司 | Motor bus unitary body with large-sized rectangular tube underframe |
| CN105857441A (en) * | 2012-02-14 | 2016-08-17 | 伊丽·伯诺利尔 | Vehicle module |
| CN104245466A (en) * | 2012-02-14 | 2014-12-24 | 伊丽·伯诺利尔 | Modular Transport Vehicle |
| CN106536278A (en) * | 2014-03-27 | 2017-03-22 | 汤姆逊许可公司 | A driveable vehicle unit |
| EP3081449A1 (en) * | 2015-04-14 | 2016-10-19 | Faroex Ltd. | Floor construction for a vehicle |
| CN205097850U (en) * | 2015-10-27 | 2016-03-23 | 重庆穗通实业股份有限公司 | Bear preceding independent suspension structure of formula [electric] motor coach entirely |
| CN108082290A (en) * | 2016-11-22 | 2018-05-29 | 现代自动车株式会社 | The side structure of car |
| CN206485396U (en) * | 2017-01-18 | 2017-09-12 | 天津美派电动科技有限公司 | A kind of follow-on electric scooter chassis |
| CN210370687U (en) * | 2019-07-05 | 2020-04-21 | 中交三公局第一工程有限公司 | A formwork trolley with adjustable formwork size for construction |
| CN112537373A (en) * | 2020-12-04 | 2021-03-23 | 中车南京浦镇车辆有限公司 | Train body and rubber wheel train |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114104120A (en) * | 2021-12-30 | 2022-03-01 | 厦门金龙联合汽车工业有限公司 | Integrated passenger car driving shaft framework and manufacturing method thereof |
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