CN203581106U - 12-meter heavy urban public bus frame assembly - Google Patents
12-meter heavy urban public bus frame assembly Download PDFInfo
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- CN203581106U CN203581106U CN201320720035.3U CN201320720035U CN203581106U CN 203581106 U CN203581106 U CN 203581106U CN 201320720035 U CN201320720035 U CN 201320720035U CN 203581106 U CN203581106 U CN 203581106U
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- assembly
- crossbeam
- beam assembly
- rear suspension
- side member
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- 239000000725 suspension Substances 0.000 claims abstract description 34
- 230000000712 assembly Effects 0.000 claims abstract description 13
- 238000000429 assembly Methods 0.000 claims abstract description 13
- 230000002787 reinforcement Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract 1
- 230000005484 gravity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 210000004712 air sac Anatomy 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
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Abstract
The utility model relates to a 12-meter heavy urban public bus frame assembly. The 12-meter heavy urban public bus frame assembly comprises a front longitudinal beam assembly, a second longitudinal beam assembly, a front truss beam assembly, a rear suspension beam assembly and a rear longitudinal beam assembly, wherein the front truss beam assembly is arranged between the front longitudinal beam assembly and the second longitudinal beam assembly; the rear suspension beam assembly is connected with the second longitudinal beam assembly; the rear longitudinal beam assembly is connected with the rear suspension beam assembly; the front longitudinal beam assembly, the second longitudinal beam assembly, the front truss beam assembly, the rear suspension beam assembly and the rear longitudinal beam assembly are sequentially welded to one another to form a longitudinal three-dimensional structure of the frame assembly; a front cross beam is arranged at the left end of the front longitudinal beam assembly; a second cross beam is arranged at the right end of the front longitudinal beam assembly; a third cross beam, a fourth cross beam, a fifth cross beam and a sixth cross beam are sequentially arranged on the second longitudinal beam assembly from left to right; a seventh cross beam, an eighth cross beam and a ninth cross beam are sequentially arranged on the rear suspension beam assembly from left to right; four air bag support assemblies are symmetrically arranged on the outer side of the rear suspension beam assembly; an engine suspension beam, an eleventh cross beam and a rear cross beam are sequentially arranged on the rear longitudinal beam assembly from left to right; and the front longitudinal beam assembly, the second longitudinal beam assembly and the rear suspension beam assembly are respectively provided with a plurality of inner cross beams. The 12-meter heavy urban public bus frame assembly is simple and reasonable; various running requirements of a public bus are met; the running safety of the bus is improved; and the machining cost of the bus is reduced.
Description
Technical field
The utility model belongs to running car system technical field, relates to specifically a kind of 12 meters of heavy urban bus frame assemblys.
Background technology
Along with social progress, expanding economy, automobile application more and more extensive in people's work and life, just there is the pollution of crowded, the environment of traffic in the thing followed, this be global widely, must problem anxious to be resolved, how environmental protection is gone on a journey, and has become the matter of utmost importance that we must face.Our society of requirements of the times must greatly develop public transport cause, and bus development is the certainty of public transport career development, is playing the part of more and more important role.
After Chengdu bus incidents of spontaneous combustion in 2011, public transport battle line in the whole nation has carried out safe large generaI investigation, changed large quantities of to scrap the time limit with the passenger vehicle that has potential safety hazard, the replacing paces maximum in Chengdu, in 2 years, almost public traffic passenger coach has all been changed in whole Chengdu, and nearly 70% bus has also been changed in Changchun.Scholarly forecast, among 5 years, national bus demand only increases, and the bus management method that country in 2012 puts into effect has stipulated that again bus tenure of use is 8 years, like this, to new one the taking turns replacing and will start again of the year two thousand twenty.Separately according to the whole nation large small city extension, village township is accessible by road, the situation in small towns is entered in public transport, also strengthened the market demand of bus, 2013 recoverable amounts of being only Changchun bus are just 4569 (in just runing on public bus network), by the operation time limit, calculate, annual replacing amount is just more than 500, another according to the difference of bus market demand, the kind of bus is also different, need kind newly developed will be a lot, the utility model is to consider city extension, public bus network increases, personnel increase by bus, and different kinds of roads situation, carry out comprehensive analysis, in original vehicle, improve, and improved that material requires to develop.
At present, the horizontal stroke of bus frame, girder work are mainly take grooved section punching structure as main, mould input cost is larger, frame assembly function singleness, full-sized bus requires to lower the center of gravity, passenger getting on/off is convenient, and driving engine is selected wide, and original urban bus frame assembly cannot meet above-mentioned requirements on 26S Proteasome Structure and Function.
Summary of the invention
In order to overcome the deficiencies in the prior art, meet the various requirements of travelling of bus, improve the safety of bus driving, reduce passenger vehicle tooling cost, it is a kind of simple and reasonable that the utility model provides, complete function, and center of gravity is low, passenger getting on/off is convenient, and driving engine is selected 12 meters of wide heavy urban bus frame assemblys.
The purpose of this utility model is achieved in that this frame assembly comprises front side member assembly, the second longeron assembly, be arranged on the front truss girder assembly between front side member assembly and the second longeron assembly, connect the beam rear suspension assembly of the second longeron assembly, connect the floor side member assembly of beam rear suspension assembly, described front side member assembly, the second longeron assembly, front truss girder assembly, beam rear suspension assembly and floor side member assembly are welded to form the longitudinal stereoscopic structure of frame assembly successively, and the left end of described front side member assembly is provided with front cross rail, right-hand member is provided with second cross beam, on the second described longeron assembly, is disposed with from left to right the 3rd crossbeam, the 4th crossbeam, the 5th crossbeam and the 6th crossbeam, be disposed with the 7th crossbeam from left to right on described beam rear suspension assembly, the 8th crossbeam and the 9th crossbeam, on described beam rear suspension assembly, outside is symmetrically arranged with four air bag support assemblies, on described floor side member assembly, be disposed with from left to right engine mounting beam, the 11 crossbeam and after cross member, described front side member assembly, on the second longeron assembly and beam rear suspension assembly, be also provided with multiple interior crossbeams.
Described front truss girder assembly comprises second cross beam, the 3rd crossbeam, be arranged on 12 arched girder columns on second cross beam and the 3rd crossbeam, be set in parallel in six arched beams between every two arched girder columns, connecting panel and strength beam, described strength beam is arranged between inner side corresponding two arched beams and the arched girder column under it, the middle part that described connecting panel is arranged on two arched beams corresponding to inner side is connected and fixed by the strength beam on it, on described arched beam, be also provided with tie-beam and damper bracket, the connecting corner place of described second cross beam and connecting panel is provided with two forward thrust rod bearings.
The both sides of described the second longeron assembly are symmetrically arranged with two air receivers near the 3rd crossbeam position and prop up seat assembly, are provided with two back pressure rod bearings below described beam rear suspension assembly near the 7th crossbeam position.
In the middle part of described the second longeron assembly, be provided with reinforcement longeron, the longeron connecting panel by parallelogram sturcutre between described beam rear suspension assembly and floor side member assembly is connected and fixed.
The front end of described front side member assembly 1 is provided with front tow hook assembly, is provided with driving position assembly and steering gear bracket assembly on described front side member assembly.
The utlity model has following advantage and good effect:
1, the utility model is made by plurality of specifications rectangular tubes such as low-alloy structural steel 345L, 160*80*6, is welded into spatial structure, has reached the object that vehicle frame general frame structural strength increases.Floor side member assembly is convenient for driving engine is installed, and adopts traditional channel-section steel version, and the installation site of reserved driving engine; Front side member assembly, front truss girder assembly, the second longeron assembly (2), beam rear suspension assembly, floor side member assembly are welded to form vehicle frame longitudinal stereoscopic structure successively, and structure is more reasonable.
2, the second cross beam in the utility model is channel-section steel version, with front side member assembly weld together; Engine mounting beam, rear cross beam assembly adopt and make type compared with complexity special dies liquid, and are connected with adjacent floor side member with bolt; Front truss girder assembly front portion is welded on second cross beam, rear portion is welded on the 3rd crossbeam, and second cross beam again with front side member assembly weld together, the 3rd crossbeam and the second longeron assembly weld together; All the other crossbeams, interior crossbeam be rectangular tube, on relevant position with left-right longeron assembly weld together; Strengthen longeron all with adjacent beams and deep beam weld together; And crossbeam and interior crossbeam are space frame structure.All longerons, crossbeam junction all reinforce the connection with brace panel; Beam rear suspension assembly and floor side member assembly are welded to connect by longeron connecting panel, and structure is more stable and stronger more.
3, to have changed the two-dimensional network structure form of traditional frame assembly be three-dimensional netted framed structure form to the utility model, and support body is mainly welded by the larger plurality of specifications rectangular tube of intensity.
4, the front truss girder assembly in the utility model is 3 D stereo arcuation version, and its three-dimensional center is the point of crossing (seeing accompanying drawing 3) of car load longitudinal centerline and horizontal front axle center line.
5, the utility model adopts novel air sac damping device, at four air bag support assemblies of posterior axis all around longeron arranged outside, has greatly improved car load damping effect.
6, the utility model, compared with traditional vehicle, about weight doubles, has guaranteed that the center of gravity of car load reduces, and car load is travelled steadily.Meanwhile, because complete vehicle weight increases, the required power travelling increases.For head it off, forward thrust rod bearing is set before axis before frame assembly, back pressure rod bearing is set before posterior axis, do not increasing under the prerequisite of engine power guaranteeing, increase car load propelling thrust under steam.
7, the utility model is provided with installation driving position assembly, steering gear bracket assembly, front tow hook assembly, front shock absorber bearing and air receiver and props up seat assembly on relevant position, and on relevant position, be provided with the position (give install respective holder) of driving engine, change speed gear box, radiator, fil, compressor etc. and various pipeline supports, meet the matching requirements of passenger vehicle entirety.
8, the feature of the utility model maximum is that center of gravity is low, and car load interior floor is low, and car load vehicle door pedal and highway curb are basic, and with high, passenger getting on/off is convenient, particularly facilitates group of handicapped by bus.
Accompanying drawing explanation
Fig. 1 is the utility model integral structure schematic diagram.
Fig. 2 is the utility model construction profile multiview drawing.
Fig. 3 is truss girder assembly structure schematic diagram before the utility model C-C.
Fig. 4 be in the utility model Fig. 3 before the A of truss girder assembly to multiview drawing.
Fig. 5 be in the utility model Fig. 3 before the B of truss girder assembly to multiview drawing.
The specific embodiment
By accompanying drawing 1, shown in 2: this frame assembly comprises front side member assembly 1, the second longeron assembly 2, be arranged on the front truss girder assembly 8 between front side member assembly 1 and the second longeron assembly 2, connect the beam rear suspension assembly 3 of the second longeron assembly 2, connect the floor side member assembly 4 of beam rear suspension assembly 3, described front side member assembly 1, the second longeron assembly 2, front truss girder assembly 8, beam rear suspension assembly 3 and floor side member assembly 4 are welded to form the longitudinal stereoscopic structure of frame assembly successively, and the left end of described front side member assembly 1 is provided with front cross rail 5, right-hand member is provided with second cross beam 6, on the second described longeron assembly 2, is disposed with from left to right the 3rd crossbeam 7, the 4th crossbeam 9, the 5th crossbeam 10 and the 6th crossbeam 11, be disposed with the 7th crossbeam 12 from left to right on described beam rear suspension assembly 3, the 8th crossbeam 13 and the 9th crossbeam 14, on described beam rear suspension assembly 3, outside is symmetrically arranged with four air bag support assemblies 21, on described floor side member assembly 4, be disposed with from left to right engine mounting beam 15, the 11 crossbeam 16 and after cross member 17, described front side member assembly 1, on the second longeron assembly 2 and beam rear suspension assembly 3, be also provided with multiple interior crossbeams 18.
The both sides of described the second longeron assembly 2 are symmetrically arranged with two air receivers near the 3rd crossbeam 7 positions and prop up seat assembly 24, are provided with two back pressure rod bearings 23 below described beam rear suspension assembly 3 near the 7th crossbeam 12 positions.
In the middle part of described the second longeron assembly 2, be provided with and strengthen longeron 26, the longeron connecting panel 27 by parallelogram sturcutre between described beam rear suspension assembly 3 and floor side member assembly 4 is connected and fixed.
The front end of described front side member assembly 1 is provided with front tow hook assembly 28, is provided with driving position assembly 19 and steering gear bracket assembly 20 on described front side member assembly 1.
By accompanying drawing 3, 4, shown in 5: described front truss girder assembly 8 comprises second cross beam 6, the 3rd crossbeam 7, be arranged on 12 arched girder columns 30 on second cross beam 6 and the 3rd crossbeam 7, be set in parallel in six arched beams 29 between every two arched girder columns 30, connecting panel 32 and strength beam 33, described strength beam 33 is arranged between inner side corresponding two arched beams 29 and the arched girder column 30 under it, the middle part that described connecting panel 32 is arranged on two arched beams 29 corresponding to inner side is connected and fixed by the strength beam 33 on it, on described arched beam 29, be also provided with tie-beam 31 and damper bracket 25, described second cross beam 6 is provided with two forward thrust rod bearings 22 with the connecting corner place of connecting panel 32.
Claims (5)
1. 12 meters of heavy urban bus frame assemblys, is characterized in that: this frame assembly comprises front side member assembly, the second longeron assembly, be arranged on the front truss girder assembly between front side member assembly and the second longeron assembly, connect the beam rear suspension assembly of the second longeron assembly, connect the floor side member assembly of beam rear suspension assembly, described front side member assembly, the second longeron assembly, front truss girder assembly, beam rear suspension assembly and floor side member assembly are welded to form the longitudinal stereoscopic structure of frame assembly successively, and the left end of described front side member assembly is provided with front cross rail, right-hand member is provided with second cross beam, on the second described longeron assembly, is disposed with from left to right the 3rd crossbeam, the 4th crossbeam, the 5th crossbeam and the 6th crossbeam, be disposed with the 7th crossbeam from left to right on described beam rear suspension assembly, the 8th crossbeam and the 9th crossbeam, on described beam rear suspension assembly, outside is symmetrically arranged with four air bag support assemblies, on described floor side member assembly, be disposed with from left to right engine mounting beam, the 11 crossbeam and after cross member, described front side member assembly, on the second longeron assembly and beam rear suspension assembly, be also provided with multiple interior crossbeams.
2. a kind of 12 meters of heavy urban bus frame assemblys according to claim 1, it is characterized in that: described front truss girder assembly comprises second cross beam, the 3rd crossbeam, be arranged on 12 arched girder columns on second cross beam and the 3rd crossbeam, be set in parallel in six arched beams between every two arched girder columns, connecting panel and strength beam, described strength beam is arranged between inner side corresponding two arched beams and the arched girder column under it, the middle part that described connecting panel is arranged on two arched beams corresponding to inner side is connected and fixed by the strength beam on it, on described arched beam, be also provided with tie-beam and damper bracket, the connecting corner place of described second cross beam and connecting panel is provided with two forward thrust rod bearings.
3. a kind of 12 meters of heavy urban bus frame assemblys according to claim 1, it is characterized in that: the both sides of described the second longeron assembly are symmetrically arranged with two air receivers near the 3rd crossbeam position and prop up seat assembly, near the 7th crossbeam position, be provided with two back pressure rod bearings below described beam rear suspension assembly.
4. a kind of 12 meters of heavy urban bus frame assemblys according to claim 1, it is characterized in that: in the middle part of described the second longeron assembly, be provided with reinforcement longeron, the longeron connecting panel by parallelogram sturcutre between described beam rear suspension assembly and floor side member assembly is connected and fixed.
5. a kind of 12 meters of heavy urban bus frame assemblys according to claim 1, is characterized in that: the front end of described front side member assembly is provided with front tow hook assembly, are provided with driving position assembly and steering gear bracket assembly on described front side member assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320720035.3U CN203581106U (en) | 2013-12-12 | 2013-12-12 | 12-meter heavy urban public bus frame assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320720035.3U CN203581106U (en) | 2013-12-12 | 2013-12-12 | 12-meter heavy urban public bus frame assembly |
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| Publication Number | Publication Date |
|---|---|
| CN203581106U true CN203581106U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320720035.3U Expired - Lifetime CN203581106U (en) | 2013-12-12 | 2013-12-12 | 12-meter heavy urban public bus frame assembly |
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| Country | Link |
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| CN (1) | CN203581106U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581292A (en) * | 2021-08-19 | 2021-11-02 | 东风汽车股份有限公司 | Chassis of tank type dangerous goods transport vehicle |
-
2013
- 2013-12-12 CN CN201320720035.3U patent/CN203581106U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581292A (en) * | 2021-08-19 | 2021-11-02 | 东风汽车股份有限公司 | Chassis of tank type dangerous goods transport vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
|
| CX01 | Expiry of patent term |