CN203439117U - Frame assembly of heavy engineering truck - Google Patents
Frame assembly of heavy engineering truck Download PDFInfo
- Publication number
- CN203439117U CN203439117U CN201320545855.3U CN201320545855U CN203439117U CN 203439117 U CN203439117 U CN 203439117U CN 201320545855 U CN201320545855 U CN 201320545855U CN 203439117 U CN203439117 U CN 203439117U
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- longeron
- heavy engineering
- carriage assembly
- engineering vehicle
- vehicle carriage
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- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 241001347978 Major minor Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
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Abstract
The utility model provides a frame assembly of a heavy engineering truck. The frame assembly comprises a pair of parallel longitudinal beams which are connected with each other through a transverse beam assembly. Each longitudinal beam comprises a main longitudinal beam and an auxiliary longitudinal beam, wherein the cross section of the main longitudinal beam is in a U shape, the auxiliary longitudinal beam is arranged in the main longitudinal beam in a sleeved mode, and the cross section of the auxiliary longitudinal beam is also in a U shape. The transverse beam assembly comprises a first transverse beam, a tail beam, a second front transverse beam, a third front transverse beam, more than one middle transverse beam and a rear transverse beam, wherein the first transverse beam and the tail beam are arranged at the two ends of the longitudinal beams, the second transverse beam and the third transverse beam are arranged on the front portions of the longitudinal beams, the middle transverse beams are arranged on the middle portions of the longitudinal beams, and the rear transverse beam is arranged on the back portions of the longitudinal beams. According to the overall arrangement of the longitudinal beams and the transverse beams of a frame, the torsional strength of the frame assembly is greatly improved, and the reliability of a front section of the frame under poor working conditions is improved; meanwhile, the width of the frame assembly is increased, and the heeling resistance performance and handling stability of the heavy engineering truck are improved.
Description
Technical field
The utility model relates to automotive frame assembly technical field, is specifically related to a kind of heavy engineering vehicle carriage assembly.
Background technology
The heavy engineering car of present China, mainly due to overload transportation, or while travelling under severe road conditions condition, the reasons such as the formation enormous impact power of jolting because of vehicle, cause the pernicious faults frequents such as heavy engineering vehicle carriage assembly longeron cracking, crossbeam fracture, through the various frame assembly damage of product situations that heavy engineering truck is used, carry out Comprehensive Comparison, find that the major failure that frame assembly occurs is: chassis side rail produces cracking phenomena, cross member of frame and under operating mode, ruptures etc. frequently being turned round on severe distortion road surface.For above-mentioned these problems people in early stage, also carried out repeatedly improving, as frame materials thickeied to the thick series of measures such as increase and decrease of processing, crossbeam material, all cannot well solve the series of problems of heavy engineering vehicle carriage assembly.
Our domestic heavy engineering vehicle carriage assembly mainly adopts tower structure at present, and longeron and crossbeam mainly adopt " C " type structure (or being U-shaped structure).Our existing platform frame assembly longeron section is about 300mm left and right at present, and the thick 8mm that is of major-minor beam material, easily causes frame assembly when uneven road traveling, to occur that resistance to bending is not enough, the problems such as vehicle frame bend fracture;
Crossbeam adopts " C " type structure, anti-twisting property shortcoming, be prone to vehicle because of the distortion of left and right, road surface excessive, the parts that connect on frame assembly and vehicle frame reverse the problem of tearing, vehicle is in the steering procedure of running at high speed, due to the cross member of frame torsion crack problem that vehicle torsion power is excessive and the anti-twisting property deficiency of crossbeam causes simultaneously.
The B-crossrail of existing product is generally all connected with chassis side rail or steel spring fixed support by connection bracket, and under bad working environments, connection bracket stressing conditions is extremely serious, easily causes occurring the integrity problems such as connection bracket cracking.
Our domestic heavy engineering car is for bad working environments such as mines substantially at present, and the words that frame assembly width is little will cause car load anti-twisting property not enough, easily cause the major failures such as vehicle rollover.
Utility model content
In order to improve the resistance to bending of chassis side rail, guarantee that vehicle has failure-free resistance to bending when concavo-convex road surface; Increase the transverse width of frame assembly, increase the lateral stability of frame assembly and car load.The purpose of this utility model is to provide a kind of heavy engineering vehicle carriage assembly.
Concrete scheme of the present utility model is as follows:
A vehicle carriage assembly, comprises a pair of parallel longeron being interconnected by crossbeam assembly, and described longeron comprises the main longitudinal grider that transversal surface takes the shape of the letter U and is linked in the secondary longeron that the inner transversal surface of main longitudinal grider takes the shape of the letter U equally; Described crossbeam assembly comprises first crossbeam and the tail boom of being located at a pair of longeron two ends, and the second front cross rail and the 3rd front cross rail of being located at described longeron front portion, is located at an above center member at longeron middle part, and is located at the after cross member at longeron rear portion.
Preferably, described the second front cross rail is fixedly connected with described longeron by front spring fixed support.
Preferably, described the 3rd front cross rail is fixedly connected with described longeron by front spring shackle bracket.
Preferably, described the 3rd front cross rail is that cross-sectional plane is the rectangular tubular cross bearer of sealing.
Preferably, described center member is the rounded tubular cross bearer of cross-sectional plane.
Preferably, on described after cross member, be also fixedly connected with V-type propelling rod support.
Preferably, described main longitudinal grider is fixedly connected with by bolt or rivet with secondary longeron, and its thickness is identical.
Preferably, the transversal surface of described main longitudinal grider is 322mm, and main longitudinal grider runs through whole frame assembly from the beginning to the end, and the material of this main longitudinal grider is thick is 10mm.
Preferably, described heavy engineering vehicle carriage assembly also comprises the mounting bracket of multiple vehicle part.
Preferably, after described main longitudinal grider, secondary longitudinal and cross beam are made by shaped by fluid pressure technique or Sheet Metal Forming Technology respectively, then carry out the assembling of frame assembly.
The beneficial effects of the utility model are as follows:
The frame assembly chassis side rail that the utility model is designed and the overall setting of crossbeam, improved the torsional strength of frame assembly greatly, improved the reliability of front section of vehicle frame under bad working environments; Increase the width of frame assembly simultaneously, optimize anti-inclination performance and the road-holding property of vehicle.
Accompanying drawing explanation
Fig. 1 is heavy engineering vehicle carriage assembly structure schematic diagram of the present utility model,
Fig. 2 is the birds-eye view of Fig. 1,
Fig. 3 be the A-A of Fig. 2 to cutaway view,
Fig. 4 is the view profile of major-minor longeron,
Fig. 5 is pipe girder construction schematic diagram.
In figure, Reference numeral is as follows:
1, longeron; 11, main longitudinal grider; 12, secondary longeron; 20, crossbeam assembly; 21, first crossbeam; 26, tail boom; 22, the second front cross rail; 23, the 3rd front cross rail; 24, center member, 25 after cross members;
3, front spring fixed support; 4, front spring shackle bracket; 6, V-type propelling rod support.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment thereof, introduce in detail the utility model, in accompanying drawing by form the extension of number, position, relation and size of the assembly of preferred embodiment will have illustrated, read and understand instruction of the present utility model afterwards relevant change belong to industry technical ability.In addition, reading and understanding after instruction of the present utility model, coordinate the accurate dimension of specific strength, weight, intensity and similar requirement and the change of dimension scale also to belong to general knowledge known in this field.
As shown in Fig. 1,2 and 3 and 4, a kind of heavy engineering vehicle carriage assembly, comprise a pair of parallel longeron 1 by 20 interconnection of crossbeam assembly, described longeron 1 comprises the main longitudinal grider 11 that transversal surface takes the shape of the letter U and is linked in the secondary longeron 12 that the inner transversal surface of main longitudinal grider takes the shape of the letter U equally, described main longitudinal grider 11 is fixedly connected with by bolt or rivet with secondary longeron 12, the thickness of described main longitudinal grider 11 is slightly larger than the thickness of secondary longeron 12 also can be identical, and for anti-twisting property the utility model of increasing frame assembly, preferably the two thickness is identical.
As shown in Fig. 2,3,5, described crossbeam assembly 20 comprises first crossbeam 21 and the tail boom 26 of being located at described a pair of longeron 1 two ends; And the second front cross rail 22 and the 3rd front cross rail 23 of being located at described longeron front portion, be located at an above center member 24 at longeron middle part, and be located at the after cross member 25 at longeron rear portion.Wherein, described the second front cross rail 22 is near described first crossbeam 21, and described the second front cross rail 22 is fixedly connected with described longeron 1 by front spring fixed support 3, and this second front cross rail 22 can be selected steel column or transversal surface any girder steel part such as take the shape of the letter U; Described the 3rd front cross rail 23 is fixedly connected with described longeron 1 by front spring shackle bracket 4, and described the 3rd front cross rail 23 is the rectangular tubular cross bearer of sealing for cross-sectional plane, and maximum cross dimensions reaches 205mm, improved greatly the torsional property of B-crossrail; Described center member 24 is the rounded tubular cross bearer of cross-sectional plane, and the utility model preferably adopts two tubulose center members; Described after cross member 25 can be selected steel column or transversal surface any girder steel part such as take the shape of the letter U, and is preferably the rounded tubular cross bearer of cross-sectional plane, is also fixedly connected with V-type propelling rod support on described after cross member 25; The utility model adopts the tubular cross bearer structure design of center member 24 and after cross member 25, the horizontal antitorque actual user demand that meet various bad working environments of the longitudinal antitorque and vehicle that has guaranteed preferably car load in turning process, guarantees vehicle reliability in actual use.
The outer wide degree of the utility model frame assembly is increased to 1020mm, has improved greatly the torsional strength of car load, for the lifting of vehicle handling stability, has good help.The transversal surface of described main longitudinal grider is 322mm, and main longitudinal grider runs through whole frame assembly from the beginning to the end, and the material of this main longitudinal grider is thick is 10mm.
Heavy engineering vehicle carriage assembly described in the utility model also comprises the mounting bracket of multiple vehicle part, as vehicle body mounting bracket, mounting bracket of radiator, joystick mounting bracket etc.
In manufacture craft, after main longitudinal grider described in the utility model, secondary longitudinal and cross beam are made by shaped by fluid pressure technique or Sheet Metal Forming Technology respectively, then carry out the assembling of frame assembly.So more can guarantee vehicle reliability in actual use.
The above is only preferred implementation of the present utility model, it is to be noted, these embodiment are only not used in restriction scope of the present utility model for the utility model is described, and, after having read content of the present utility model, relevant technical staff in the field can make various changes or modification to the utility model, and these equivalent form of values fall into the application's appended claims limited range equally.
Claims (10)
1. a heavy engineering vehicle carriage assembly, is characterized in that, comprises a pair of parallel longeron being interconnected by crossbeam assembly, and described longeron comprises the main longitudinal grider that transversal surface takes the shape of the letter U and is linked in the secondary longeron that the inner transversal surface of main longitudinal grider takes the shape of the letter U equally; Described crossbeam assembly comprises first crossbeam and the tail boom of being located at a pair of longeron two ends, and the second front cross rail and the 3rd front cross rail of being located at described longeron front portion, is located at an above center member at longeron middle part, and is located at the after cross member at longeron rear portion.
2. heavy engineering vehicle carriage assembly according to claim 1, is characterized in that, described the second front cross rail is fixedly connected with described longeron by front spring fixed support.
3. heavy engineering vehicle carriage assembly according to claim 1, is characterized in that, described the 3rd front cross rail is fixedly connected with described longeron by front spring shackle bracket.
4. heavy engineering vehicle carriage assembly according to claim 3, is characterized in that, described the 3rd front cross rail is that cross-sectional plane is the rectangular tubular cross bearer of sealing.
5. heavy engineering vehicle carriage assembly according to claim 1, is characterized in that, described center member is the rounded tubular cross bearer of cross-sectional plane.
6. heavy engineering vehicle carriage assembly according to claim 1, is characterized in that, is also fixedly connected with V-type propelling rod support on described after cross member.
7. heavy engineering vehicle carriage assembly according to claim 1, is characterized in that, described main longitudinal grider is fixedly connected with by bolt or rivet with secondary longeron, and its thickness is identical.
8. heavy engineering vehicle carriage assembly according to claim 1, is characterized in that, the transversal surface of described main longitudinal grider is 322mm, and main longitudinal grider runs through whole frame assembly from the beginning to the end, and the material of this main longitudinal grider is thick is 10mm.
9. heavy engineering vehicle carriage assembly according to claim 1, is characterized in that, described heavy engineering vehicle carriage assembly also comprises the mounting bracket of multiple vehicle part, and described mounting bracket is arranged on longeron or crossbeam assembly.
10. according to the heavy engineering vehicle carriage assembly described in claim 1～9 any one, it is characterized in that, after described main longitudinal grider, secondary longitudinal and cross beam are made by shaped by fluid pressure technique or Sheet Metal Forming Technology respectively, then carry out the assembling of frame assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320545855.3U CN203439117U (en) | 2013-09-03 | 2013-09-03 | Frame assembly of heavy engineering truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320545855.3U CN203439117U (en) | 2013-09-03 | 2013-09-03 | Frame assembly of heavy engineering truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203439117U true CN203439117U (en) | 2014-02-19 |
Family
ID=50090187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320545855.3U Expired - Fee Related CN203439117U (en) | 2013-09-03 | 2013-09-03 | Frame assembly of heavy engineering truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203439117U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608822A (en) * | 2015-03-03 | 2015-05-13 | 安徽江淮汽车股份有限公司 | Tractor chassis structure |
| CN108394332A (en) * | 2018-04-28 | 2018-08-14 | 陕西汽车实业有限公司 | Dumper frame assembly structure |
-
2013
- 2013-09-03 CN CN201320545855.3U patent/CN203439117U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608822A (en) * | 2015-03-03 | 2015-05-13 | 安徽江淮汽车股份有限公司 | Tractor chassis structure |
| CN108394332A (en) * | 2018-04-28 | 2018-08-14 | 陕西汽车实业有限公司 | Dumper frame assembly structure |
| CN108394332B (en) * | 2018-04-28 | 2023-11-07 | 陕汽集团商用车有限公司 | Frame assembly structure of dump truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20190903 |
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| CF01 | Termination of patent right due to non-payment of annual fee |