CN107719472A - A kind of two-part underframe of coach and the car using the underframe of coach - Google Patents
A kind of two-part underframe of coach and the car using the underframe of coach Download PDFInfo
- Publication number
- CN107719472A CN107719472A CN201711189516.5A CN201711189516A CN107719472A CN 107719472 A CN107719472 A CN 107719472A CN 201711189516 A CN201711189516 A CN 201711189516A CN 107719472 A CN107719472 A CN 107719472A
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- China
- Prior art keywords
- truss
- chassis section
- underframe
- coach
- right vertical
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- 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.)
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Links
- 238000003466 welding Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/08—Understructures, i.e. chassis frame on which a vehicle body may be mounted built up with interlaced cross members
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
A kind of car the present invention relates to two-part underframe of coach and using the underframe of coach, the two-part underframe of coach is made up of the fall crossbeam type chassis section and truss-like chassis section of front and rear arrangement, fall crossbeam type chassis section includes being fixed on the left longeron, the right vertical beam that extend along the longitudinal direction of truss-like chassis section front end, and the bit space that allows for getting out of the way corresponding trailing wheel is provided with left and right sides of truss-like chassis section.Underframe of coach in the present invention only forms this two sections by fall crossbeam type chassis section and truss-like chassis section and formed, it is convenient that fall crossbeam type chassis provides for the installation of power assembly, ensure the overall structure rigidity of power assembly simultaneously, the rigidity of the counter-bending and antitorque degree of truss-like chassis section is big, quality is small, and stability is good.The structure is highly suitable for light bus, that is, while meeting overall structure rigidity and intensity, realizes lightweight, contributes to vehicle energy-conservation drop.
Description
Technical field
A kind of car the present invention relates to two-part underframe of coach for light-duty front-mounted passenger car and using the underframe of coach.
Background technology
Under the guiding of national policy regulation, the energy-saving emphasis for having become enterprise's production work.Given birth to for car
Enterprise is produced, makes great efforts to reduce chassis consumption, not only contributes to energy conservation, and directly affect the economic interests of product user.Visitor
Car belongs to light bus according to Vehicle length, car of the length in 3.5m ~ 7m, current such car for my company leading production
Product, for response national policy regulation and car cost is reduced, the design to such vehicle frame proposes higher requirement.
Chinese patent CN104843069A discloses a kind of " light bus Undercarriage structure and light bus structure ", and this is light-duty
Underframe of coach is fall crossbeam type Integral frame structure, and it mainly includes two crossbeams for running through whole vehicle frame along the longitudinal direction.Such
Body frame structure for automotive is more using crossbeam, and vehicle mass is big, and consumptive material is more, and center of gravity is higher, and High-speed running stability is poor.Often at present
The vehicle frame classification seen also has three-stage vehicle frame and full-bearing type vehicle frame, but three-stage vehicle frame, which corresponds to motorbus, more to be adapted to,
It is poorly suitable for light bus；When full-bearing type vehicle frame is used for light bus, the assembling of dynamical system is cumbersome, therefore enterprise
It is badly in need of developing a kind of underframe of coach that can be applied to light bus.
The content of the invention
It is an object of the invention to provide a kind of two-part underframe of coach for light-duty front-mounted passenger car, to solve existing skill
The problem of fall crossbeam type vehicle frame quality is big in art；It is a kind of using the light of the two-part underframe of coach the present invention also aims to provide
Type car.
In order to solve the above technical problems, the technical scheme of two-part underframe of coach is as follows in the present invention：
Two-part underframe of coach, the two-part underframe of coach by front and rear arrangement fall crossbeam type chassis section and truss-like chassis section structure
Into fall crossbeam type chassis section includes being fixed on the left longeron, the right vertical beam that extend along the longitudinal direction of truss-like chassis section front end, truss
The bit space that allows for getting out of the way corresponding trailing wheel is provided with left and right sides of formula chassis section.
Left longeron, right vertical beam are fixed on the middle part of truss-like chassis section short transverse.
Left longeron, right vertical beam are channel-section steel structure, and left longeron, the notch of right vertical beam are relative, left longeron, the front end of right vertical beam
Connected by connecting cross beam.
Left longeron, right vertical beam rear end waist wall on be provided with stress relief hole.
Diagonal brace and lower diagonal brace are respectively arranged between the both sides up and down of each longeron and truss-like chassis section.
Left and right longeron is located at the middle part upper position of truss-like chassis section, and the length of lower diagonal brace is longer than the length of diagonal brace.
Truss-like chassis section includes the first truss-like chassis part and the second truss-like chassis section part of front and rear arrangement, allows
Bit space is arranged on the second truss-like chassis section part, and the first truss-like undercarriage portion point includes first to be welded by section bar
Front baffle, the first afterframe and the first surrounding framework being connected between the first front baffle, the first afterframe, the first front baffle bag
Left vertical wall and right vertical wall are included, left longitudinal beam welding is fixed on left vertical wall, and right vertical beam is fixedly welded on right vertical wall.
Second truss-like undercarriage portion point includes framework on second and the revolver cage being arranged on second at left and right sides of framework
With right wheel cage, the front and back end of framework is respectively welded the second front baffle and the second afterframe being vertically arranged on second, and second
Truss-like chassis part also includes the second left vertical frame and the second right vertical frame that are vertically arranged, the second left vertical frame, the second right vertical frame
Upper end is connected with frame welding on second, allow bit space be respectively formed in the second right vertical frame and right wheel cage and the first left vertical frame with
Between revolver cage, framework, the second left vertical frame, the second right vertical frame, the second front baffle and the second afterframe surround notch on second
Trench structure directed downwardly.
The technical scheme of car is：Including power assembly, in addition to two-part underframe of coach, the two-part underframe of coach by
The fall crossbeam type chassis section and truss-like chassis section of front and rear arrangement are formed, and fall crossbeam type chassis section is included before being fixed on truss-like chassis section
The left longeron, the right vertical beam that extend along the longitudinal direction at end, be provided with left and right sides of truss-like chassis section for get out of the way it is corresponding after
Wheel allows bit space.
Left longeron, right vertical beam are fixed on the middle part of truss-like chassis section short transverse.
Left longeron, right vertical beam are channel-section steel structure, and left longeron, the notch of right vertical beam are relative, left longeron, the front end of right vertical beam
Connected by connecting cross beam.
Left longeron, right vertical beam rear end waist wall on be provided with stress relief hole.
Diagonal brace and lower diagonal brace are respectively arranged between the both sides up and down of each longeron and truss-like chassis section.
Left and right longeron is located at the middle part upper position of truss-like chassis section, and the length of lower diagonal brace is longer than the length of diagonal brace.
Truss-like chassis section includes the first truss-like chassis part and the second truss-like chassis section part of front and rear arrangement, allows
Bit space is arranged on the second truss-like chassis section part, and the first truss-like undercarriage portion point includes first to be welded by section bar
Front baffle, the first afterframe and the first surrounding framework being connected between the first front baffle, the first afterframe, the first front baffle bag
Left vertical wall and right vertical wall are included, left longitudinal beam welding is fixed on left vertical wall, and right vertical beam is fixedly welded on right vertical wall.
Second truss-like undercarriage portion point includes framework on second and the revolver cage being arranged on second at left and right sides of framework
With right wheel cage, the front and back end of framework is respectively welded the second front baffle and the second afterframe being vertically arranged on second, and second
Truss-like chassis part also includes the second left vertical frame and the second right vertical frame that are vertically arranged, the second left vertical frame, the second right vertical frame
Upper end is connected with frame welding on second, allow bit space be respectively formed in the second right vertical frame and right wheel cage and the first left vertical frame with
Between revolver cage, framework, the second left vertical frame, the second right vertical frame, the second front baffle and the second afterframe surround notch on second
Trench structure directed downwardly.
Beneficial effects of the present invention are：Underframe of coach in the present invention is only by fall crossbeam type chassis section and truss-like chassis section structure
Into this two sections compositions, it is convenient that fall crossbeam type chassis provides for the installation of power assembly, while ensures that the overall structure of power assembly is firm
Degree, the rigidity of the counter-bending and antitorque degree of truss-like chassis section is big, and quality is small, and stability is good.The structure is highly suitable for light-duty
Car, that is, while meeting overall structure rigidity and intensity, lightweight is realized, contribute to vehicle energy-saving.
Further, left and right longeron is arranged at the middle part in the front height direction of truss-like chassis section, in left and right longeron
Both sides up and down diagonal brace, lower diagonal brace are set respectively, that is, ensure that the bonding strength of left and right longeron and truss-like chassis section, again
Contribute to the height of C.G. of reduction vehicle, be advantageous to improve the stability that vehicle is run at high speed.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of two-part underframe of coach in the present invention.
Embodiment
The embodiment of car is as shown in Figure 1：Car length in the present invention belongs to light bus for 6 meters, including power is total
Into（Not shown in figure）With two-part underframe of coach, power assembly includes engine, and two-part underframe of coach is by front and rear arrangement
Fall crossbeam type chassis section 2 and truss-like chassis section 6 are formed, the full bearing structure of the corresponding vehicle body frame of truss-like chassis section 6, truss-like
Chassis section is located at the postmedian of whole underframe of coach, and truss-like chassis section includes the first truss-like chassis part 14 of front and rear arrangement
With the second truss-like chassis section part 11, the first truss-like undercarriage portion point includes the first front baffle being welded by square tube section
16th, the first afterframe 13 and the first surrounding framework 15 being connected between the first front baffle 16, the first afterframe 13, the first front frame
Frame 16, the first afterframe 13 and the first surrounding framework 15 surround rectangular box like structure.First front baffle includes left vertical arm 20 and the right side
Vertical arm 5, fall crossbeam type chassis section include being fixedly welded on the left longeron 22 of upper position among left vertical arm and are fixedly welded on right perpendicular
The right vertical beam 3 of upper position among arm, left and right longeron is the channel-section steel structure that length extends along the longitudinal direction, left and right longeron
Notch is relative, and left longeron, the front end of right vertical beam are connected by preceding connecting cross beam 1, left longeron, right vertical beam rear end between be connected with
Connecting cross beam 4 afterwards, left longeron, right vertical beam rear end waist arm on be provided with stress relief hole 21.The both sides up and down of each longeron with it is right
Diagonal brace 18 and lower diagonal brace 19 are respectively arranged between Ying Shubi, the length of lower diagonal brace 19 is longer than the length of diagonal brace.
Second truss-like undercarriage portion point includes framework 8 on second and is arranged at revolver cover on second at left and right sides of framework 8
Frame 9 and right wheel cage 7, the front and back end of framework is respectively welded the second front baffle 12 and the second afterframe being vertically arranged on second
23, the second truss-like chassis part also includes the second left vertical frame and the second right vertical frame being vertically arranged, the second left vertical frame, second right side
The upper end of vertical frame is connected with frame welding on second, between the second right vertical frame and right wheel cage and the second left vertical frame and revolver cage
Between formed allow bit space 10 for corresponding trailing wheel of stepping down respectively, framework 8 on second, the second left vertical frame, the second right vertical frame, the
Two front baffles 12 and the second afterframe 23 surround notch trench structure directed downwardly.Also set in the rear end of the second truss-like chassis part
It is equipped with afterbody truss portion.Whole truss-like chassis section includes the left girder 24 of truss and the right girder of truss extended along the longitudinal direction
25, multiple truss crossbeams 26 extended in left-right direction, each truss crossbeam edge are provided with the left girder of truss, the right girder of truss
Fore-and-aft direction arranged for interval, the left girder of truss, the right girder of truss, truss crossbeam and left longeron, right vertical beam are light-duty for undertaking
The main load-carrying of car.
Specific assembled, the front-wheel of car are located at left longeron, the both sides of right vertical beam, and the trailing wheel of car is stepped down positioned at corresponding
In space, the truss-like chassis section of posterior segment, counter-bending and anti-torsion rigidity is big, and quality is small, and stability is good, when left longeron,
Right vertical beam is up and down when deforming, and stress focuses primarily upon the link position of left and right longeron and truss-like chassis section, and the of square box structure
One truss-like chassis part can be very good to undertake the deformation load.In car actual travel, traveling road conditions are complex, no
Only include above-mentioned underframe of coach to deform up and down, there is also the near front wheel and the hanging situation of off hind wheel, deformation takes place mostly in the right side
The left end of longeron and afterbody truss portion, the stress relief hole on the waist wall of right vertical beam can realize stress release.Before in the present invention
The beam type chassis section of section uses crossbeam structure, ensures the overall construction intensity of power assembly, ensures power assembly system and annex
Assembling simplification, mitigate labor strength.The truss-like chassis section of the grid barrier formula of posterior segment, counter-bending and anti-torsion
Rigidity it is big, quality is small, and stability is good.The junction of two kinds of structures meets intensity requirement by analyzing rationally connection.Whole car
Frame realizes lightweight while the rigidity of structure and intensity is met, contributes to vehicle energy-saving.
Claims (9)
1. two-part underframe of coach, it is characterised in that：The two-part underframe of coach is by the fall crossbeam type chassis section of front and rear arrangement and purlin
Posture chassis section is formed, and the left side extended along the longitudinal direction that fall crossbeam type chassis section includes being fixed on truss-like chassis section front end is indulged
Beam, right vertical beam, the bit space that allows for getting out of the way corresponding trailing wheel is provided with left and right sides of truss-like chassis section.
2. two-part underframe of coach according to claim 1, it is characterised in that：Left longeron, right vertical beam are fixed on truss-like
The middle part of chassis section short transverse.
3. two-part underframe of coach according to claim 1, it is characterised in that：Left longeron, right vertical beam are channel-section steel structure,
Left longeron, the notch of right vertical beam are relative, and left longeron, the front end of right vertical beam are connected by connecting cross beam.
4. two-part underframe of coach according to claim 3, it is characterised in that：Left longeron, right vertical beam rear end waist wall on
It is provided with stress relief hole.
5. two-part underframe of coach according to claim 2, it is characterised in that：The both sides up and down of each longeron and truss-like bottom
Diagonal brace and lower diagonal brace are respectively arranged between frame section.
6. two-part underframe of coach according to claim 5, it is characterised in that：Left and right longeron is located at truss-like chassis section
Middle part upper position, the length of lower diagonal brace is longer than the length of diagonal brace.
7. the two-part underframe of coach according to claim 1 ~ 6 any one, it is characterised in that：Truss-like chassis section includes
First truss-like chassis part of front and rear arrangement and the second truss-like chassis section part, allow bit space to be arranged at the second truss-like bottom
On frame section part, the first truss-like undercarriage portion point includes the first front baffle, the first afterframe and the connection being welded by section bar
The first surrounding framework between the first front baffle, the first afterframe, the first front baffle include left vertical wall and right vertical wall, left longeron
It is fixedly welded on left vertical wall, right vertical beam is fixedly welded on right vertical wall.
8. two-part underframe of coach according to claim 7, it is characterised in that：Second truss-like undercarriage portion point includes second
Upper framework and the revolver cage and right wheel cage being arranged on second at left and right sides of framework, the front and back end of framework is welded respectively on second
The second front baffle and the second afterframe being vertically arranged are connected to, the second truss-like chassis part also includes second left side being vertically arranged
Vertical frame and the second right vertical frame, the second left vertical frame, upper end and the frame welding on second of the second right vertical frame are connected, and allow bit space to distinguish
It is formed between the second right vertical frame and right wheel cage and the first left vertical frame and revolver cage, framework, the second left vertical frame, on second
Two right vertical frames, the second front baffle and the second afterframe surround notch trench structure directed downwardly.
9. car, including power assembly, it is characterised in that：Also include the two-part visitor as described in claim 1 ~ 8 any one
Body frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711189516.5A CN107719472B (en) | 2017-11-24 | 2017-11-24 | Two-section type passenger car underframe and passenger car using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711189516.5A CN107719472B (en) | 2017-11-24 | 2017-11-24 | Two-section type passenger car underframe and passenger car using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107719472A true CN107719472A (en) | 2018-02-23 |
| CN107719472B CN107719472B (en) | 2024-04-26 |
Family
ID=61219187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711189516.5A Active CN107719472B (en) | 2017-11-24 | 2017-11-24 | Two-section type passenger car underframe and passenger car using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107719472B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108639163A (en) * | 2018-04-17 | 2018-10-12 | 东风特汽(十堰)客车有限公司 | A kind of forward type car and its luggage compartment |
| CN111591347A (en) * | 2020-06-11 | 2020-08-28 | 郑州佛光发电设备有限公司 | On-vehicle field operations intelligence power pack fixed knot constructs |
| CN113173207A (en) * | 2021-04-21 | 2021-07-27 | 郑州宇通重工有限公司 | Wheel-foot composite equipment and vehicle body thereof |
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| CN207773240U (en) * | 2017-11-24 | 2018-08-28 | 河南少林客车股份有限公司 | Two-part underframe of coach and the car for using the underframe of coach |
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| CN102410920A (en) * | 2011-08-05 | 2012-04-11 | 上海交通大学 | Vortex induced vibration rotation testing device of inclined vertical pipe with movable top part under step shear flow |
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| CN108639163A (en) * | 2018-04-17 | 2018-10-12 | 东风特汽(十堰)客车有限公司 | A kind of forward type car and its luggage compartment |
| CN111591347A (en) * | 2020-06-11 | 2020-08-28 | 郑州佛光发电设备有限公司 | On-vehicle field operations intelligence power pack fixed knot constructs |
| CN113173207A (en) * | 2021-04-21 | 2021-07-27 | 郑州宇通重工有限公司 | Wheel-foot composite equipment and vehicle body thereof |
| CN113173207B (en) * | 2021-04-21 | 2022-12-23 | 郑州宇通重工有限公司 | Wheel-foot composite equipment and vehicle body thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107719472B (en) | 2024-04-26 |
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