CN112722081A - Light-weight heavy truck frame - Google Patents

Light-weight heavy truck frame Download PDF

Info

Publication number
CN112722081A
CN112722081A CN202110161787.XA CN202110161787A CN112722081A CN 112722081 A CN112722081 A CN 112722081A CN 202110161787 A CN202110161787 A CN 202110161787A CN 112722081 A CN112722081 A CN 112722081A
Authority
CN
China
Prior art keywords
tubular
reinforcing plate
frame
shaped
shaped reinforcing
Prior art date
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.)
Pending
Application number
CN202110161787.XA
Other languages
Chinese (zh)
Inventor
张新辰
张光明
王昆
高中美
王军
马圣龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sinotruk Jinan Power Co Ltd
Original Assignee
Sinotruk Jinan Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sinotruk Jinan Power Co Ltd filed Critical Sinotruk Jinan Power Co Ltd
Priority to CN202110161787.XA priority Critical patent/CN112722081A/en
Publication of CN112722081A publication Critical patent/CN112722081A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/09Means for mounting load bearing surfaces

Abstract

The invention discloses a light-weight heavy-duty truck frame which comprises two longitudinal beams, wherein the two longitudinal beams are arranged in parallel, a C-shaped reinforcing plate, a first L-shaped reinforcing plate, a second L-shaped reinforcing plate and an airplane beam reinforcing plate are arranged on the two longitudinal beams, a first tubular cross beam, a groove-shaped cross beam, a second tubular cross beam, a third tubular cross beam, an airplane beam, a fourth tubular cross beam and a tail beam are sequentially arranged between the two longitudinal beams from left to right, tower joint reinforcing plates are arranged at two ends of the first tubular cross beam, the second tubular cross beam and the third tubular cross beam, and the tower joint reinforcing plates are arranged on the longitudinal beams. According to the device, the integral stiffening beam which is communicated from front to back is omitted, the number of the cross beams is reduced, the space between the cross beams is increased, the light tail beam is replaced, and the reduction of the quality of the frame is realized; the tubular cross beam replaces a groove-shaped cross beam, so that stress is not concentrated on one point when the frame is twisted, the integral torsion resistance of the frame is improved, the number of the cross beams for mounting the frame is reduced, and the quality reduction of the frame is realized.

Description

Light-weight heavy truck frame
Technical Field
The invention belongs to the technical field of automobiles, and particularly relates to a light-weight heavy truck frame.
Background
In order to deal with complicated and variable working conditions and prolong the service cycle of vehicle types, the frame of the heavy-duty truck generally adopts a high safety factor redundancy design, in recent years, the national governing on overrun overload is more strict, and the transportation ecology of the heavy-duty truck is comprehensively switched from original frequent overload to standard load transportation; on the premise that the total weight upper limit of the vehicle is determined, the chassis mass is inversely proportional to the mass of transported goods, and the chassis with the light frame can transport more goods in one trip.
By retrieving the application date of 2018.05.31 and the application number of CN201810552920.2, the truck frame of the truck comprises a left longitudinal beam, a right longitudinal beam, a head part supporting cross beam and a carriage part supporting cross beam, wherein the two ends of the head part supporting cross beam and the carriage part supporting cross beam are connected with the left longitudinal beam and the right longitudinal beam; the head support beam comprises a first beam, a second beam and a third beam; the carriage part supporting beam comprises a fourth beam, at least one middle beam and a fifth beam; the fourth cross beam is adjacent to the third cross beam, and the fifth cross beam is connected with the rear end parts of the left longitudinal beam and the right longitudinal beam; both ends of the middle beam are connected with the left longitudinal beam and the right longitudinal beam; the fourth crossbeam and the middle beam are the same in structure and comprise a circular tube type crossbeam body and flanges at two ends. According to the technical scheme, the fourth cross beam and the middle cross beam are improved into the circular tube type cross beam, so that the effects of reducing the weight of the vehicle and improving the rigidity of the frame are achieved; and the elastic coefficient of the circular tube type beam bodies of the beams is larger than the elastic coefficients of the flanges at the two ends, so that the concentration of the shearing force on the rivet part is reduced. Although this design realizes the effect of vehicle weight reduction and improvement frame rigidity, it still has following defect:
firstly, eight cross beams are sequentially arranged between the left longitudinal beam and the right longitudinal beam in the design, so that the light weight of the frame is not facilitated, and the assembly difficulty is increased.
Secondly, the quality of the circular tube type beam assembly has no obvious advantages compared with other types of beams, and the light weight effect is difficult to realize by only replacing the type of the beam.
Thirdly, the cross beam is irregularly distributed, other strengthening measures are not provided in the local large stress area of the frame, the rigidity distribution of the frame is unreasonable, and the local rigidity is not matched with the actual bearing working condition, so that the service life of the frame is prolonged.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a light-weight heavy truck frame, which reduces the number of cross beams, increases the space between the cross beams and replaces a light-weight tail beam by eliminating an integral stiffening beam which is communicated from front to back, thereby realizing the reduction of the frame quality; the tubular cross beam replaces the groove-shaped cross beam, so that stress is not concentrated on one point when the frame is twisted, the integral torsion resistance of the frame is improved, the number of the cross beams for mounting the frame is reduced, and the quality reduction of the frame is realized.
In order to achieve the purpose, the invention adopts the technical scheme that:
a lightweight heavy truck frame comprises two longitudinal beams, wherein the two longitudinal beams are arranged in parallel, a C-shaped reinforcing plate, a first L-shaped reinforcing plate, a second L-shaped reinforcing plate and an airplane beam reinforcing plate are arranged on the two longitudinal beams, a first tubular cross beam, a groove-shaped cross beam, a second tubular cross beam, a third tubular cross beam, an airplane beam, a fourth tubular cross beam and a tail beam are sequentially arranged between the two longitudinal beams from left to right, tower-joint reinforcing plates are arranged at two ends of the first tubular cross beam, the second tubular cross beam and the third tubular cross beam, the tower-joint reinforcing plates are arranged on the longitudinal beams, one end of the first L-shaped reinforcing plate is arranged at one side of the second tubular cross beam, the other end of the first L-shaped reinforcing plate is arranged at one side of the first tubular cross beam, one end of the second L-shaped reinforcing plate is arranged at the other side of the second tubular cross beam, the other end of the second L-shaped reinforcing plate is arranged on one side of the third tubular cross beam, and the airplane beam reinforcing plate is matched with the airplane beam.
Preferably, the first tubular cross beam, the second tubular cross beam, the third tubular cross beam and the fourth tubular cross beam are identical in structure, and the tubular cross beams are maintained and replaced in the later period in the same aspect of structure, so that the maintenance efficiency is greatly improved.
Preferably, the first tubular beam comprises a steel pipe and steel pipe connecting plates arranged at two ends of the steel pipe, and the second tubular beam is also provided with a transmission shaft connecting plate, an accessory connecting plate and a cylindrical positioning pin; stress concentration points are not easily formed on the steel pipes, the torsion resistance of the tubular cross beam is more uniform than that of a groove-shaped cross beam, and the normal operation of the device is ensured; the transmission shaft connecting plate is convenient for hoisting the transmission shaft, the accessory connecting plate is convenient for fixing the wire harness, and the cylindrical positioning pin is convenient for installing the EBS device.
Preferably, the longitudinal beam, the first L-shaped reinforcing plate, the second L-shaped reinforcing plate, the aircraft beam reinforcing plate and the aircraft beam are all provided with process lightening holes, and the process lightening holes are formed in the regions with small torsion middle height and relatively small stress, so that the self weight is reduced, and meanwhile, the stress attenuation and buffering are realized.
Preferably, both ends of the first L-shaped reinforcing plate and the second L-shaped reinforcing plate are provided with long chamfers, so that the strength of the first L-shaped reinforcing plate and the second L-shaped reinforcing plate is guaranteed, meanwhile, the contact area with a longitudinal beam is increased, and the torsion resistance of the frame is improved.
Preferably, the tower connects the reinforcing plate to pass through the rivet installation on the longeron, and the tower connects the reinforcing plate can prevent that the stress concentration point from appearing and causing the local fracture damage of frame, has improved the life of frame greatly.
The invention has the beneficial effects that:
1) the device reduces the number of the cross beams, increases the space between the cross beams and replaces the light tail beam by eliminating the integral stiffening beam which is communicated from front to back, thereby realizing the reduction of the quality of the frame; the tubular cross beam replaces the groove-shaped cross beam, so that stress is not concentrated on one point when the frame is twisted, the integral torsion resistance of the frame is improved, the number of the cross beams for mounting the frame is reduced, and the quality reduction of the frame is realized.
2) The first tubular crossbeam, the second tubular crossbeam, the third tubular crossbeam and the fourth tubular crossbeam of the device have the same structure, and the tubular crossbeam is maintained and replaced in the later period in the same aspect of the structure, so that the maintenance efficiency is greatly improved.
3) The first tubular beam of the device comprises a steel pipe and steel pipe connecting plates arranged at two ends of the steel pipe, and the second tubular beam is also provided with a transmission shaft connecting plate, an accessory connecting plate and a cylindrical positioning pin; stress concentration points are not easily formed on the steel pipes, the torsion resistance of the tubular cross beam is more uniform than that of a groove-shaped cross beam, and the normal operation of the device is ensured; the transmission shaft connecting plate is convenient for hoisting the transmission shaft, the accessory connecting plate is convenient for fixing the wire harness, and the cylindrical positioning pin is convenient for installing the EBS device.
4) The device is characterized in that the longitudinal beam, the first L-shaped reinforcing plate, the second L-shaped reinforcing plate, the aircraft beam reinforcing plate and the aircraft beam are all provided with process lightening holes, and the process lightening holes are arranged in the regions with small torsion middle height and relatively small stress, so that the self weight is reduced, and the stress attenuation and buffering are realized.
5) The both ends of the first L-shaped reinforcing plate and the second L-shaped reinforcing plate of the device are provided with long chamfers, so that the self strength of the first L-shaped reinforcing plate and the second L-shaped reinforcing plate is ensured, the contact area with a longitudinal beam is increased, and the torsion resistance of the frame is improved.
6) This device tower meets the reinforcing plate and passes through rivet installation on the longeron, and the tower meets the reinforcing plate can prevent that the stress concentration point from causing the local fracture damage of frame, has improved the life of frame greatly.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a second tubular beam according to the present invention.
In the figure: 1. a stringer; 2. a C-shaped reinforcing plate; 3. a first tubular beam; 4. a trough-shaped cross beam; 5. a first L-shaped stiffener; 6. a second tubular beam; 601. a steel pipe; 602. connecting a steel pipe plate; 7. a second L-shaped reinforcing plate; 8. an airplane spar; 9. an aircraft spar stiffener plate; 10. a tail boom; 11. a fourth tubular beam; 12. tower connection reinforcing plates; 13. a third tubular beam; 14. a transmission shaft connecting plate; 15. a cylindrical positioning pin; 16. an accessory connecting plate.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to fig. 1-2, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
A light-weight heavy truck frame comprises two longitudinal beams 1, wherein the two longitudinal beams 1 are arranged in parallel, a C-shaped reinforcing plate 2, a first L-shaped reinforcing plate 5, a second L-shaped reinforcing plate 7 and an airplane beam reinforcing plate 9 are arranged on the two longitudinal beams 1, a first tubular cross beam 3, a groove-shaped cross beam 4, a second tubular cross beam 6, a third tubular cross beam 13, an airplane beam 8, a fourth tubular cross beam 11 and a tail beam 10 are sequentially arranged between the two longitudinal beams 1 from left to right, tower-joint reinforcing plates 12 are arranged at two ends of the first tubular cross beam 3, the second tubular cross beam 6 and the third tubular cross beam 13, the tower-joint reinforcing plates 12 are arranged on the longitudinal beams 1, one end of the first L-shaped reinforcing plate 5 is arranged on one side of the second tubular cross beam 6, the other end of the first tubular cross beam 3 is arranged on one side of the first tubular cross beam 3, the C-shaped reinforcing plate 2 is arranged on the other side of, one end of the second L-shaped reinforcing plate 7 is arranged at the other side of the second tubular crossbeam 6, the other end of the second L-shaped reinforcing plate 7 is arranged at one side of the third tubular crossbeam 13, and the airplane beam reinforcing plate 9 is matched with the airplane beam 8.
The device reduces the number of the cross beams, increases the space between the cross beams and replaces the light tail beam 10 by eliminating the integral stiffening beam which is communicated from front to back, thereby realizing the reduction of the quality of the frame; the tubular cross beam replaces the groove-shaped cross beam 4, so that stress is not concentrated on one point when the frame is twisted, the integral torsion resistance of the frame is improved, the number of the cross beams for mounting the frame is reduced, and the quality reduction of the frame is realized.
The tower joint reinforcing plate 12 adopts a bidirectional stamping structure, and the overall strength of the ventral surface and the lower airfoil surface is improved by L-shaped stamping; the stamping in the shape of a Chinese character 'ji' can make up the height difference between the cross beam and the tower-joint reinforcing plate 12, and meanwhile, the torsion resistance of the tower-joint reinforcing plate 12 is increased.
The first tubular cross beam 3, the second tubular cross beam 6, the third tubular cross beam 13 and the fourth tubular cross beam 11 are identical in structure, and the tubular cross beams are maintained in the same aspect of structure and are replaced and maintained in the later period, so that the maintenance efficiency is greatly improved.
The first tubular cross beam 3 comprises a steel pipe 601 and steel pipe connecting plates 602 arranged at two ends of the steel pipe 601, and the second tubular cross beam 6 is also provided with a transmission shaft connecting plate 14, an accessory connecting plate 16 and a cylindrical positioning pin 15; the steel pipe 601 is not easy to form stress concentration points, the torsion resistance of the tubular cross beam is more uniform than that of the groove-shaped cross beam 4, and the normal operation of the device is ensured; the transmission shaft connecting plate 14 is convenient for hoisting the transmission shaft, the accessory connecting plate 16 is convenient for fixing the wire harness, and the cylindrical positioning pin 15 is convenient for installing the EBS device.
Because the steel pipe 601 is difficult to form stress concentration points, the tubular cross beam has more uniform torsional property compared with the groove-shaped cross beam 4, the frame device is allowed to reduce the number and the distribution density of the cross beams, and the weight and the cost are reduced.
The longitudinal beam 1, the first L-shaped reinforcing plate 5, the second L-shaped reinforcing plate 7, the aircraft beam reinforcing plate 9 and the aircraft beam 8 are all provided with process lightening holes, and the process lightening holes are formed in the regions with small torsion middle height and relatively small stress, so that the self weight is reduced, and meanwhile, the stress attenuation and buffering are realized.
The both ends of first L type reinforcing plate 5 and second L type reinforcing plate 7 all are equipped with long chamfer, guarantee first L type reinforcing plate 5 and second L type reinforcing plate 7 self intensity, increase simultaneously with longeron 1's area of contact, increased the antitorque performance of frame.
The tower connects reinforcing plate 12 to pass through the rivet installation on longeron 1, and tower connects reinforcing plate 12 can prevent that the stress concentration point from appearing and causing the local fracture damage of frame, has improved the life of frame greatly.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.

Claims (6)

1. A light-weight heavy truck frame comprises two longitudinal beams which are arranged in parallel, and is characterized in that a C-shaped reinforcing plate, a first L-shaped reinforcing plate, a second L-shaped reinforcing plate and an airplane beam reinforcing plate are arranged on the two longitudinal beams, a first tubular cross beam, a groove-shaped cross beam, a second tubular cross beam, a third tubular cross beam, an airplane beam, a fourth tubular cross beam and a tail beam are sequentially arranged between the two longitudinal beams from left to right, tower-joint reinforcing plates are arranged at two ends of the first tubular cross beam, the second tubular cross beam and the third tubular cross beam, the tower-joint reinforcing plates are arranged on the longitudinal beams, one end of the first L-shaped reinforcing plate is arranged on one side of the second tubular cross beam, the other end of the first L-shaped reinforcing plate is arranged on one side of the first tubular cross beam, one end of the second L-shaped reinforcing plate is arranged on the other side of the second tubular cross beam, the other end of the second L-shaped reinforcing plate is arranged on one side of the third tubular cross beam, and the airplane beam reinforcing plate is matched with the airplane beam.
2. The lightweight heavy truck frame of claim 1 wherein the first, second, third and fourth tubular cross members are identical in construction.
3. The frame of the light-weight heavy-duty truck of claim 2, wherein the first tubular cross member comprises a steel pipe and steel pipe connecting plates mounted at two ends of the steel pipe, and the second tubular cross member is further provided with a transmission shaft connecting plate, an accessory connecting plate and a cylindrical positioning pin.
4. The light-weight heavy truck frame as recited in claim 1, wherein said longitudinal beam, said first L-shaped reinforcing plate, said second L-shaped reinforcing plate, said aircraft beam reinforcing plate, and said aircraft beam are provided with lightening holes.
5. The light weight heavy truck frame of claim 4 wherein both ends of the first and second L-shaped reinforcement plates are provided with long chamfers.
6. The light weight heavy truck frame of claim 1 wherein the tower gusset is mounted to the side rails by rivets.
CN202110161787.XA 2021-02-05 2021-02-05 Light-weight heavy truck frame Pending CN112722081A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110161787.XA CN112722081A (en) 2021-02-05 2021-02-05 Light-weight heavy truck frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110161787.XA CN112722081A (en) 2021-02-05 2021-02-05 Light-weight heavy truck frame

Publications (1)

Publication Number Publication Date
CN112722081A true CN112722081A (en) 2021-04-30

Family

ID=75596047

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110161787.XA Pending CN112722081A (en) 2021-02-05 2021-02-05 Light-weight heavy truck frame

Country Status (1)

Country Link
CN (1) CN112722081A (en)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202847812U (en) * 2012-10-11 2013-04-03 安徽江淮汽车股份有限公司 Truck frame assembly
CN103538628A (en) * 2012-07-13 2014-01-29 北汽福田汽车股份有限公司 Frame structure and automobile with frame structure
CN203486000U (en) * 2013-08-21 2014-03-19 安徽江淮汽车股份有限公司 Heavy-duty truck frame assembly
CN205010321U (en) * 2015-09-28 2016-02-03 十堰市先驰汽车车架有限公司 Small -size school bus frame
CN205098280U (en) * 2015-10-27 2016-03-23 北京新能源汽车股份有限公司 Rear frame member and vehicle of vehicle
CN205801243U (en) * 2016-06-21 2016-12-14 北京福田戴姆勒汽车有限公司 A kind of heavy truck and vehicle frame thereof
CN106741185A (en) * 2016-12-30 2017-05-31 河南奔马股份有限公司 A kind of Combined aluminum alloy vehicle frame of light truck
CN206938857U (en) * 2017-06-23 2018-01-30 东风商用车有限公司 A kind of commercial car frame assembly
CN108945103A (en) * 2018-05-31 2018-12-07 安徽江淮汽车集团股份有限公司 A kind of cargo truck vehicle frame
CN110228526A (en) * 2019-05-14 2019-09-13 东风商用车有限公司 A kind of lightweight tractor chassis assembly
CN209441442U (en) * 2018-12-10 2019-09-27 森源汽车股份有限公司 A kind of compression type garbage truck Special frame structure
US20200140016A1 (en) * 2017-06-30 2020-05-07 Byd Company Limited Vehicle body structure and vehicle
CN210653317U (en) * 2019-08-30 2020-06-02 东风商用车有限公司 Heavy engineering vehicle frame assembly
CN212332772U (en) * 2020-04-13 2021-01-12 湖北省齐星汽车车身股份有限公司 Light-truck steel-aluminum mixed lightweight trapezoidal frame assembly

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103538628A (en) * 2012-07-13 2014-01-29 北汽福田汽车股份有限公司 Frame structure and automobile with frame structure
CN202847812U (en) * 2012-10-11 2013-04-03 安徽江淮汽车股份有限公司 Truck frame assembly
CN203486000U (en) * 2013-08-21 2014-03-19 安徽江淮汽车股份有限公司 Heavy-duty truck frame assembly
CN205010321U (en) * 2015-09-28 2016-02-03 十堰市先驰汽车车架有限公司 Small -size school bus frame
CN205098280U (en) * 2015-10-27 2016-03-23 北京新能源汽车股份有限公司 Rear frame member and vehicle of vehicle
CN205801243U (en) * 2016-06-21 2016-12-14 北京福田戴姆勒汽车有限公司 A kind of heavy truck and vehicle frame thereof
CN106741185A (en) * 2016-12-30 2017-05-31 河南奔马股份有限公司 A kind of Combined aluminum alloy vehicle frame of light truck
CN206938857U (en) * 2017-06-23 2018-01-30 东风商用车有限公司 A kind of commercial car frame assembly
US20200140016A1 (en) * 2017-06-30 2020-05-07 Byd Company Limited Vehicle body structure and vehicle
CN108945103A (en) * 2018-05-31 2018-12-07 安徽江淮汽车集团股份有限公司 A kind of cargo truck vehicle frame
CN209441442U (en) * 2018-12-10 2019-09-27 森源汽车股份有限公司 A kind of compression type garbage truck Special frame structure
CN110228526A (en) * 2019-05-14 2019-09-13 东风商用车有限公司 A kind of lightweight tractor chassis assembly
CN210653317U (en) * 2019-08-30 2020-06-02 东风商用车有限公司 Heavy engineering vehicle frame assembly
CN212332772U (en) * 2020-04-13 2021-01-12 湖北省齐星汽车车身股份有限公司 Light-truck steel-aluminum mixed lightweight trapezoidal frame assembly

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