CN112590934A - Front-wide rear-narrow non-uniform-section light truck edge beam type frame assembly - Google Patents
Front-wide rear-narrow non-uniform-section light truck edge beam type frame assembly Download PDFInfo
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- CN112590934A CN112590934A CN202110001422.0A CN202110001422A CN112590934A CN 112590934 A CN112590934 A CN 112590934A CN 202110001422 A CN202110001422 A CN 202110001422A CN 112590934 A CN112590934 A CN 112590934A
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- 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
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- 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
- B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
Abstract
A front-wide rear-narrow non-uniform-section type light truck boundary beam type frame assembly comprises a left longitudinal beam and a right longitudinal beam, wherein a first cross beam, a second cross beam, an engine pocket beam, a third cross beam, a fourth cross beam, a fifth cross beam, a sixth cross beam, a seventh cross beam, a spare tire support cross beam and a frame tail cross beam are sequentially arranged between the left longitudinal beam and the right longitudinal beam from front to back, and the left longitudinal beam and the right longitudinal beam are symmetrical on a vertical plane; the left longitudinal beam and the right longitudinal beam respectively comprise a longitudinal beam front section, a longitudinal beam middle section and a longitudinal beam rear section, a first transition section is arranged between the longitudinal beam front section and the longitudinal beam middle section, and a second transition section is arranged between the longitudinal beam middle section and the longitudinal beam rear section; the distance between the front sections of the two longitudinal beams is larger than the distance between the rear sections of the two longitudinal beams. The design is high in light weight degree, good in driving stability and strong in controllability.
Description
Technical Field
The invention relates to the technical field of commercial vehicle chassis, in particular to a front-wide rear-narrow non-uniform-section type light truck boundary beam type frame assembly which is mainly suitable for improving the light weight of a frame and the stability and controllability of driving of a whole truck.
Background
The frame is a frame structure bridged over the front and rear axles of the automobile, is a base body of the automobile and generally consists of two longitudinal beams and a plurality of cross beams, and is supported on wheels through a suspension device, the front axle and the rear axle.
With the implementation of the regulations in GB18352.6-2016 light-duty vehicle pollutant emission limits and measurement methods (sixth stage of china), in order to meet the requirements of the six emissions regulations in the country, the six-country engine assembly and its attached systems are more complex in structure, more bulky in space, and more demanding on the vehicle frame than the five-country period.
The invention patent of the invention with the publication number of CN106627764A and the publication date of 2017, 05 and 10 proposes an expandable light vehicle frame assembly, wherein the expandable light vehicle frame assembly has a simple structure, and can temporarily widen the vehicle frame, the longitudinal beam has a structure with a wide front part and a narrow back part, and the section height of the longitudinal beam is kept unchanged in the whole length, so that the vehicle frame is more convenient to manufacture, and the design with the widened front part enables the space for installing the engine to be larger, so as to facilitate the installation of the engine, but the invention patent still has the following defects: the quality of car frame is great, and lightweight degree is not high to the stability and the nature controlled that travel are relatively poor, and the frame makes the barycenter of whole car higher, thereby driver's field of vision is not good.
Disclosure of Invention
The invention aims to overcome the defects and problems of low light weight degree, poor stability and poor controllability in the prior art, and provides a front-wide rear-narrow unequal-section type light truck side beam type frame assembly which has high frame light weight degree, good driving stability and strong controllability.
In order to achieve the above purpose, the technical solution of the invention is as follows: a front-wide and rear-narrow non-uniform-section type light truck boundary beam type frame assembly comprises a left longitudinal beam and a right longitudinal beam, wherein a first cross beam, a second cross beam, an engine pocket beam, a third cross beam, a fourth cross beam, a fifth cross beam, a sixth cross beam, a seventh cross beam, a spare tire support cross beam and a frame tail cross beam are sequentially arranged between the left longitudinal beam and the right longitudinal beam from front to back, and the left longitudinal beam and the right longitudinal beam are symmetrical on a vertical plane;
the left longitudinal beam and the right longitudinal beam respectively comprise a longitudinal beam front section, a longitudinal beam middle section and a longitudinal beam rear section, a first transition section is arranged between the longitudinal beam front section and the longitudinal beam middle section, and a second transition section is arranged between the longitudinal beam middle section and the longitudinal beam rear section;
the distance between the front sections of the two longitudinal beams is larger than the distance between the rear sections of the two longitudinal beams;
the upper wing surface of the longitudinal beam front section is lower than the upper wing surfaces of the longitudinal beam middle section and the longitudinal beam rear section, the height of the cross section of the longitudinal beam front section is smaller than that of the cross section of the longitudinal beam middle section, and the height of the cross section of the longitudinal beam front section is larger than that of the cross section of the longitudinal beam rear section.
The first cross beam, the second cross beam and the engine pocket beam are arranged between the front sections of the two longitudinal beams, the third cross beam is arranged between the two first transition sections, the fourth cross beam and the fifth cross beam are arranged between the middle sections of the two longitudinal beams, the sixth cross beam is arranged between the two second transition sections, and the seventh cross beam, the spare tire support cross beam and the frame tail cross beam are arranged between the rear sections of the two longitudinal beams.
The first cross beam, the third cross beam, the fifth cross beam, the sixth cross beam and the seventh cross beam are round tube beams, and the second cross beam, the fourth cross beam and the frame tail cross beam are trough beams.
And a groove-shaped reinforcing plate is arranged between the first cross beam and the seventh cross beam and is internally buckled on the left longitudinal beam and the right longitudinal beam.
The automobile front suspension structure is characterized in that one end of a first cross beam penetrates through a left longitudinal beam and is provided with an automobile body left front suspension support, the other end of the first cross beam penetrates through a right longitudinal beam and is provided with an automobile body right front suspension support, front leaf spring front supports are arranged on the lower wing surfaces of the left longitudinal beam and the right longitudinal beam and close to a second cross beam, the front leaf spring front supports are located between the first cross beam and the second cross beam, an engine pocket beam comprises two engine front suspension supports and two engine front suspension supports, the engine front suspension supports are connected with the left longitudinal beam and the right longitudinal beam respectively, water tank angle iron and front shock absorber supports are arranged on the ventral surfaces of the left longitudinal beam and the right longitudinal beam respectively, the water tank angle iron and the front shock absorber supports are located between the second cross beam and the engine pocket beam, an engine rear suspension support is arranged in the middle of a third cross beam, the two ends of the third cross beam are, The lower wing surface of the right longitudinal beam is provided with a front plate spring rear support, the ventral surfaces of the left longitudinal beam and the right longitudinal beam are provided with a vehicle body rear suspension support, and the front plate spring rear support and the vehicle body rear suspension support are located between an engine pocket beam and a third cross beam.
The middle part of fourth crossbeam is provided with transmission shaft intermediate support left bracket, transmission shaft intermediate support right bracket, the both ends and the flute profile reinforcing plate of fourth crossbeam are connected, the one end of fifth crossbeam is passed left longeron and is provided with the left front support of back leaf spring, the other end of fifth crossbeam passes right longeron and is provided with the right front support of back leaf spring, the ventral surface of left side longeron and right longeron all is provided with double rear of the automobile body suspension support, the suspension support is located between fourth crossbeam and the fifth crossbeam behind the double-row automobile body, be provided with bumper shock absorber left socle, back bumper shock absorber right branch frame on the sixth crossbeam, left side longeron all is provided with the preceding angle bar of carriage with the ventral surface of right longeron, the carriage front angle bar is located between fifth crossbeam and the sixth crossbeam.
The one end of seventh crossbeam passes left longeron and is provided with the left after-poppet of back leaf spring, the other end of seventh crossbeam passes right longeron and is provided with the right after-poppet of back leaf spring, spare tyre support crossbeam includes first spare tyre support crossbeam, second spare tyre support crossbeam, first spare tyre support crossbeam, second spare tyre support crossbeam are located between seventh crossbeam and the frame tail crossbeam, all be provided with the longeron central siphon on the ventral surface of left longeron, right longeron, the ventral surface of left side longeron and right longeron all is provided with carriage back angle bar, longeron central siphon, carriage back angle bar are located between seventh crossbeam and the spare tyre support crossbeam, the flute profile reinforcing plate passes through the longeron central siphon and all is connected with left longeron, right longeron.
And the two ends of the fifth beam, the sixth beam and the seventh beam are connected with the groove-shaped reinforcing plate.
The heights of the cross sections of the longitudinal beam front section, the longitudinal beam middle section and the longitudinal beam rear section are respectively 120mm, 140mm and 100mm, and the upper wing surface of the longitudinal beam front section is 45mm lower than the upper wing surfaces of the longitudinal beam middle section and the longitudinal beam rear section.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a front-wide rear-narrow non-uniform-section type light-duty truck frame assembly with a longitudinal beam front section, a longitudinal beam middle section and a longitudinal beam rear section, wherein the cross section of the longitudinal beam front section is less than that of the longitudinal beam middle section, the cross section of the longitudinal beam front section is more than that of the longitudinal beam rear section, the longitudinal beam is in a non-uniform-section structure, the weight of the longitudinal beam is reduced, the weight of the truck is improved, the mass center of the whole truck is reduced, the driving view field is better, the stability is better, the integral controllability is stronger, the section design of the longitudinal beam ensures the jumping space of a rear suspension, the distance between the two longitudinal beam front sections is more than that between the two longitudinal beam rear sections, the two longitudinal beam middle sections are retracted inwards, the two longitudinal beams are in a front-wide rear-narrow shape, and the engine assembly with more complex structure and more huge space and the, the engine is convenient to install.
Therefore, the invention has high light weight degree, good stability and stronger maneuverability.
2. The first cross beam, the third cross beam, the fifth cross beam, the sixth cross beam and the seventh cross beam are round tube beams, and the second cross beam, the fourth cross beam and the frame tail cross beam are trough beams, so that the weight of the cross beams is reduced, the light weight of the frame is further improved, and a trough reinforcing plate is arranged between the first cross beam and the seventh cross beam, so that the frame is more stable, the bending resistance of the frame is greatly enhanced by the matching of the reinforcing plate and the longitudinal beams, and the light weight of the frame can be improved.
Therefore, the invention has strong bending resistance and high light weight.
3. The non-uniform-section type light-duty truck frame assembly with the wide front part and the narrow back part is provided with the fifth cross beam, the seventh cross beam, the rear plate spring left front support, the rear plate spring right front support, the rear plate spring left rear support and the rear plate spring right rear support, so that the plate springs are arranged on the outer side of the frame, the anti-roll performance of the whole truck is greatly improved, and the running stability and the control performance of the whole truck are improved.
Therefore, the invention has good stability and stronger controllability.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a side view of the left side rail of fig. 1.
In the figure: left longitudinal beam 1, right longitudinal beam 2, front plate spring front bracket 21, water tank angle iron 22, front shock absorber bracket 23, front plate spring rear bracket 24, rear suspension bracket 25 of vehicle body, double-row rear suspension bracket 26 of vehicle body, front angle iron 27 of vehicle body, longitudinal beam axle tube 28, rear angle iron 29 of vehicle body, first cross beam 3, left front suspension bracket 31 of vehicle body, right front suspension bracket 32 of vehicle body, second cross beam 4, engine pocket beam 5, front suspension bracket 51 of engine, third cross beam 6, rear suspension bracket 61 of engine, fourth cross beam 7, left bracket 71 of transmission shaft middle support, right bracket 72 of transmission shaft middle support, fifth cross beam 8, left front bracket 81 of rear plate spring, right front bracket 82 of rear plate spring, sixth cross beam 9, left bracket 91 of shock absorber, right bracket 92 of rear shock absorber, seventh cross beam 10, left rear bracket 101 of rear plate spring, right rear bracket 102 of rear plate spring, spare bracket cross beam 11, first spare tire bracket 111, second cross beam 4, and second cross beam, A second spare tire support cross beam 112, a frame tail cross beam 12, a longitudinal beam front section 13, a longitudinal beam middle section 14, a longitudinal beam rear section 15, a first transition section 16 and a second transition section 17.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 2, a front-wide rear-narrow non-uniform-section light truck boundary beam type frame assembly comprises a left longitudinal beam 1 and a right longitudinal beam 2, wherein a first cross beam 3, a second cross beam 4, an engine pocket beam 5, a third cross beam 6, a fourth cross beam 7, a fifth cross beam 8, a sixth cross beam 9, a seventh cross beam 10, a spare tire support cross beam 11 and a frame tail cross beam 12 are sequentially arranged between the left longitudinal beam 1 and the right longitudinal beam 2 from front to back, and the left longitudinal beam 1 and the right longitudinal beam 2 are symmetrical on a vertical plane;
the left longitudinal beam 1 and the right longitudinal beam 2 respectively comprise a longitudinal beam front section 13, a longitudinal beam middle section 14 and a longitudinal beam rear section 15, a first transition section 16 is arranged between the longitudinal beam front section 13 and the longitudinal beam middle section 14, and a second transition section 17 is arranged between the longitudinal beam middle section 14 and the longitudinal beam rear section 15;
the distance between the two longitudinal beam front sections 13 is larger than the distance between the two longitudinal beam rear sections 15;
the upper wing surface of the longitudinal beam front section 13 is lower than the upper wing surfaces of the longitudinal beam middle section 14 and the longitudinal beam rear section 15, the height of the cross section of the longitudinal beam front section 13 is smaller than that of the cross section of the longitudinal beam middle section 14, and the height of the cross section of the longitudinal beam front section 13 is larger than that of the cross section of the longitudinal beam rear section 15.
The first cross beam 3, the second cross beam 4 and the engine pocket beam 5 are arranged between two longitudinal beam front sections 13, the third cross beam 6 is arranged between two first transition sections 16, the fourth cross beam 7 and the fifth cross beam 8 are arranged between two longitudinal beam middle sections 14, the sixth cross beam 9 is arranged between two second transition sections 17, and the seventh cross beam 10, the spare tire support cross beam 11 and the frame tail cross beam 12 are arranged between two longitudinal beam rear sections 15.
The first cross beam 3, the third cross beam 6, the fifth cross beam 8, the sixth cross beam 9 and the seventh cross beam 10 are circular tube beams, and the second cross beam 4, the fourth cross beam 7 and the frame tail cross beam 12 are channel beams.
A groove-shaped reinforcing plate is arranged between the first cross beam 3 and the seventh cross beam 10 and is internally buckled on the left longitudinal beam 1 and the right longitudinal beam 2.
One end of the first cross beam 3 penetrates through the left longitudinal beam 1 and is provided with a left front suspension bracket 31 of a vehicle body, the other end of the first cross beam 3 penetrates through the right longitudinal beam 2 and is provided with a right front suspension bracket 32 of the vehicle body, the parts of the lower wing surfaces of the left longitudinal beam 1 and the right longitudinal beam 2, which are close to the second cross beam 4, are respectively provided with a front leaf spring front bracket 21, the front leaf spring front brackets 21 are positioned between the first cross beam 3 and the second cross beam 4, the engine pocket beam 5 comprises two front suspension brackets 51 of the engine, the two front suspension brackets 51 of the engine are respectively connected with the left longitudinal beam 1 and the right longitudinal beam 2, the ventral surfaces of the left longitudinal beam 1 and the right longitudinal beam 2 are respectively provided with a water tank angle iron 22 and a front shock absorber bracket 23, the water tank angle iron 22 and the front shock absorber bracket 23 are positioned between the second cross beam 4 and the engine pocket beam 5, the middle part of the, the two ends of the third cross beam 6 are connected with the groove-shaped reinforcing plates, front plate spring rear supports 24 are arranged on the lower wing surfaces of the left longitudinal beam 1 and the right longitudinal beam 2, vehicle body rear suspension supports 25 are arranged on the ventral surfaces of the left longitudinal beam 1 and the right longitudinal beam 2, and the front plate spring rear supports 24 and the vehicle body rear suspension supports 25 are located between the engine pocket beam 5 and the third cross beam 6.
The middle part of fourth crossbeam 7 is provided with transmission shaft intermediate support left bracket 71, transmission shaft intermediate support right bracket 72, the both ends and the flute profile reinforcing plate of fourth crossbeam 7 are connected, left longeron 1 is passed and is provided with back leaf spring left front support 81 to the one end of fifth crossbeam 8, the other end of fifth crossbeam 8 passes right longeron 2 and is provided with back leaf spring right front support 82, left side longeron 1 all is provided with double automobile body rear suspension support 26 with the ventral surface of right longeron 2, double automobile body rear suspension support 26 is located between fourth crossbeam 7 and fifth crossbeam 8, be provided with bumper shock absorber left socle 91, back bumper shock absorber right branch frame 92 on the sixth crossbeam 9, left side longeron 1 all is provided with carriage front angle bar 27 with right longeron 2's ventral surface, carriage front angle bar 27 is located between fifth crossbeam 8 and the sixth crossbeam 9.
The one end of seventh crossbeam 10 passes left longeron 1 and is provided with back leaf spring left back support 101, the other end of seventh crossbeam 10 passes right longeron 2 and is provided with back leaf spring right back support 102, spare tyre support crossbeam 11 includes first spare tyre support crossbeam 111, second spare tyre support crossbeam 112, first spare tyre support crossbeam 111, second spare tyre support crossbeam 112 are located between seventh crossbeam 10 and frame tail crossbeam 12, all be provided with longeron central siphon 28 on the ventral surface of left longeron 1, right longeron 2, the ventral surface of left longeron 1 and right longeron 2 all is provided with carriage back angle bar 29, longeron central siphon 28, carriage back angle bar 29 are located between seventh crossbeam 10 and the spare tyre support crossbeam 11, the flute profile reinforcing plate passes through longeron central siphon 28 and all is connected with left longeron 1, right longeron 2.
And the two ends of the fifth cross beam 8, the sixth cross beam 9 and the seventh cross beam 10 are connected with a groove-shaped reinforcing plate.
The heights of the cross sections of the longitudinal beam front section 13, the longitudinal beam middle section 14 and the longitudinal beam rear section 15 are respectively 120mm, 140mm and 100mm, and the upper wing surface of the longitudinal beam front section 13 is 45mm lower than the upper wing surfaces of the longitudinal beam middle section 14 and the longitudinal beam rear section 15.
The principle of the invention is illustrated as follows:
this design is mainly through the height that highly is less than longeron middle section cross section of longeron anterior segment cross section, the height that highly is greater than longeron rear section cross section of longeron anterior segment cross section, the longeron is non-uniform section structure, the weight of longeron has been reduced, the vehicle lightweight has been promoted, two engine front suspension supports and engine rear suspension support form the three point suspension of engine together fixed, interval between two longeron anterior segments is greater than the interval between two longeron back sections, two longeron middle sections inwards shrink, the intermediate position in longeron middle section inwards shrinks 50mm, narrow form after realizing the front width through two longerons in longeron middle section, be convenient for install the engine, the position of engine installation is lower simultaneously, the frame makes the barycenter of whole car lower, it is more stable during driving, driver's field.
Example 1:
referring to fig. 1 to 2, a front-wide rear-narrow non-uniform-section side beam type frame assembly of a light truck comprises a left longitudinal beam 1 and a right longitudinal beam 2 (made of DL 510), wherein a first cross beam 3, a second cross beam 4, an engine pocket beam 5, a third cross beam 6, a fourth cross beam 7, a fifth cross beam 8, a sixth cross beam 9, a seventh cross beam 10, a spare tire support cross beam 11 and a frame tail cross beam 12 are sequentially arranged between the left longitudinal beam 1 and the right longitudinal beam 2 from front to back, and the left longitudinal beam 1 and the right longitudinal beam 2 are symmetrical on a vertical plane; the left longitudinal beam 1 and the right longitudinal beam 2 respectively comprise a longitudinal beam front section 13, a longitudinal beam middle section 14 and a longitudinal beam rear section 15, the length of the longitudinal beam rear section 15 is 60.5-61% of the whole wheel base, the upper wing surface of the longitudinal beam rear section 15 is flush with the upper wing surface of the longitudinal beam middle section 14, a first transition section 16 is arranged between the longitudinal beam front section 13 and the longitudinal beam middle section 14, and a second transition section 17 is arranged between the longitudinal beam middle section 14 and the longitudinal beam rear section 15; the middle sections of the two longitudinal beams are inwardly contracted, the middle positions of the middle sections of the longitudinal beams are inwardly contracted by 50mm, the horizontal lengths of the first transition section 16 and the second transition section 17 are 300mm, the included angles between the first transition section 16 and the second transition section 17 and the middle section 14 of the longitudinal beams are 165-165.5 degrees, and the distance between the front sections 13 of the two longitudinal beams is larger than the distance between the rear sections 15 of the two longitudinal beams; the upper wing surface of the longitudinal beam front section 13 is lower than the upper wing surfaces of the longitudinal beam middle section 14 and the longitudinal beam rear section 15, the height of the cross section of the longitudinal beam front section 13 is smaller than that of the cross section of the longitudinal beam middle section 14, and the height of the cross section of the longitudinal beam front section 13 is larger than that of the cross section of the longitudinal beam rear section 15.
Example 2:
the basic contents are the same as example 1, except that:
referring to fig. 1 to 2, the first cross beam 3, the second cross beam 4 and the engine pocket beam 5 are arranged between two longitudinal beam front sections 13, the third cross beam 6 is arranged between two first transition sections 16, the fourth cross beam 7 and the fifth cross beam 8 are arranged between two longitudinal beam middle sections 14, the sixth cross beam 9 is arranged between two second transition sections 17, and the seventh cross beam 10, the spare tire support cross beam 11 and the frame tail cross beam 12 are arranged between two longitudinal beam rear sections 15; the first cross beam 3, the third cross beam 6, the fifth cross beam 8, the sixth cross beam 9 and the seventh cross beam 10 are circular tube beams, and the second cross beam 4, the fourth cross beam 7 and the frame tail cross beam 12 are channel beams; a groove-shaped reinforcing plate is arranged between the first cross beam 3 and the seventh cross beam 10 and is internally buckled on the left longitudinal beam 1 and the right longitudinal beam 2; one end of the first cross beam 3 penetrates through the left longitudinal beam 1 and is provided with a left front suspension bracket 31 of a vehicle body, the other end of the first cross beam 3 penetrates through the right longitudinal beam 2 and is provided with a right front suspension bracket 32 of the vehicle body, the parts of the lower wing surfaces of the left longitudinal beam 1 and the right longitudinal beam 2, which are close to the second cross beam 4, are respectively provided with a front leaf spring front bracket 21, the front leaf spring front brackets 21 are positioned between the first cross beam 3 and the second cross beam 4, the engine pocket beam 5 comprises two front suspension brackets 51 of the engine, the two front suspension brackets 51 of the engine are respectively connected with the left longitudinal beam 1 and the right longitudinal beam 2, the ventral surfaces of the left longitudinal beam 1 and the right longitudinal beam 2 are respectively provided with a water tank angle iron 22 and a front shock absorber bracket 23, the water tank angle iron 22 and the front shock absorber bracket 23 are positioned between the second cross beam 4 and the engine pocket beam 5, the middle part of the, the two ends of the third cross beam 6 are connected with a groove-shaped reinforcing plate, the lower wing surfaces of the left longitudinal beam 1 and the right longitudinal beam 2 are respectively provided with a front plate spring rear support 24, the ventral surfaces of the left longitudinal beam 1 and the right longitudinal beam 2 are respectively provided with a vehicle body rear suspension support 25, and the front plate spring rear supports 24 and the vehicle body rear suspension supports 25 are respectively positioned between the engine pocket beam 5 and the third cross beam 6; a transmission shaft middle support left bracket 71 and a transmission shaft middle support right bracket 72 are arranged in the middle of the fourth cross beam 7, two ends of the fourth cross beam 7 are connected with the groove-shaped reinforcing plates, one end of the fifth cross beam 8 penetrates through the left longitudinal beam 1 and is provided with a rear plate spring left front bracket 81, the other end of the fifth cross beam 8 penetrates through the right longitudinal beam 2 and is provided with a rear plate spring right front bracket 82, double rows of rear suspension brackets 26 are arranged on the ventral surfaces of the left longitudinal beam 1 and the right longitudinal beam 2, the double rows of rear suspension brackets 26 are positioned between the fourth cross beam 7 and the fifth cross beam 8, a shock absorber left bracket 91 and a rear shock absorber right bracket 92 are arranged on the sixth cross beam 9, carriage front angle irons 27 are arranged on the ventral surfaces of the left longitudinal beam 1 and the right longitudinal beam 2, and the carriage front angle irons 27 are positioned between the fifth cross beam 8 and the sixth cross beam 9; one end of the seventh cross beam 10 penetrates through the left longitudinal beam 1 and is provided with a rear plate spring left rear support 101, the other end of the seventh cross beam 10 penetrates through the right longitudinal beam 2 and is provided with a rear plate spring right rear support 102, the spare tire support cross beam 11 comprises a first spare tire support cross beam 111 and a second spare tire support cross beam 112, the first spare tire support cross beam 111 and the second spare tire support cross beam 112 are L-shaped plates and are connected to lower wing surfaces of the left longitudinal beam 1 and the right longitudinal beam 2 through bolts, the first spare tire support cross beam 111 and the second spare tire support cross beam 112 are positioned between the seventh cross beam 10 and the frame tail cross beam 12, longitudinal beam axle tubes 28 are arranged on ventral surfaces of the left longitudinal beam 1 and the right longitudinal beam 2, compartment rear angle irons 29 are arranged on ventral surfaces of the left longitudinal beam 1 and the right longitudinal beam 2, the longitudinal beam 28 and the compartment rear angle irons 29 are positioned between the seventh cross beam 10 and the spare tire support cross beam 11, the groove-shaped reinforcing plate is connected with the left longitudinal beam 1 and the right longitudinal beam 2 through a longitudinal beam axle tube 28.
Claims (9)
1. The utility model provides a narrow type unequal cross section light truck boundary beam formula frame assembly behind preceding wide, includes left longeron (1) and right longeron (2), its characterized in that: a first cross beam (3), a second cross beam (4), an engine pocket beam (5), a third cross beam (6), a fourth cross beam (7), a fifth cross beam (8), a sixth cross beam (9), a seventh cross beam (10), a spare tire support cross beam (11) and a frame tail cross beam (12) are sequentially arranged between the left longitudinal beam (1) and the right longitudinal beam (2) from front to back, and the left longitudinal beam (1) and the right longitudinal beam (2) are symmetrical on a vertical plane;
the left longitudinal beam (1) and the right longitudinal beam (2) respectively comprise a longitudinal beam front section (13), a longitudinal beam middle section (14) and a longitudinal beam rear section (15), a first transition section (16) is arranged between the longitudinal beam front section (13) and the longitudinal beam middle section (14), and a second transition section (17) is arranged between the longitudinal beam middle section (14) and the longitudinal beam rear section (15);
the distance between the two longitudinal beam front sections (13) is larger than the distance between the two longitudinal beam rear sections (15);
the upper wing surface of the longitudinal beam front section (13) is lower than the upper wing surfaces of the longitudinal beam middle section (14) and the longitudinal beam rear section (15), the height of the cross section of the longitudinal beam front section (13) is smaller than that of the cross section of the longitudinal beam middle section (14), and the height of the cross section of the longitudinal beam front section (13) is larger than that of the cross section of the longitudinal beam rear section (15).
2. The front wide rear narrow non-uniform cross-section light truck frame assembly of claim 1, wherein: first crossbeam (3), second crossbeam (4), engine pocket roof beam (5) set up between two longeron anterior segments (13), third crossbeam (6) set up between two first changeover portions (16), fourth crossbeam (7), fifth crossbeam (8) set up between two longeron middle sections (14), sixth crossbeam (9) set up between two second changeover portions (17), seventh crossbeam (10), spare tyre support crossbeam (11), frame tail crossbeam (12) set up between two longeron rear segments (15).
3. The front wide rear narrow non-uniform cross-section light truck frame assembly of claim 1, wherein: the first cross beam (3), the third cross beam (6), the fifth cross beam (8), the sixth cross beam (9) and the seventh cross beam (10) are round tube beams, and the second cross beam (4), the fourth cross beam (7) and the frame tail cross beam (12) are trough beams.
4. The front wide rear narrow non-uniform cross-section light truck frame assembly of claim 1, wherein: a groove-shaped reinforcing plate is arranged between the first cross beam (3) and the seventh cross beam (10), and the groove-shaped reinforcing plate is buckled on the left longitudinal beam (1) and the right longitudinal beam (2) in the groove-shaped reinforcing plate.
5. The front wide and rear narrow type non-uniform cross section light truck frame assembly of claim 4, wherein: the one end of first crossbeam (3) passes left longeron (1) and is provided with front suspension support (31) on the left side of automobile body, the other end of first crossbeam (3) passes right longeron (2) and is provided with front suspension support (32) on the right side of automobile body, the position that is close to second crossbeam (4) on the lower airfoil of left side longeron (1), right longeron (2) all is provided with preceding leaf spring fore-stock (21), preceding leaf spring fore-stock (21) are located between first crossbeam (3) and second crossbeam (4), engine pocket roof beam (5) include two front suspension support (51) of engine, two front suspension support (51) of engine are connected with left longeron (1), right longeron (2) respectively, all be provided with water tank angle bar (22), preceding bumper shock absorber support (23) on the ventral surface of left side longeron (1), right longeron (2), water tank angle bar (22), Preceding bumper shock absorber support (23) are located between second crossbeam (4) and engine pocket roof beam (5), the middle part of third crossbeam (6) is provided with suspension support (61) behind the engine, the both ends and the flute profile reinforcing plate of third crossbeam (6) are connected, all be provided with preceding leaf spring after-poppet (24) on the lower airfoil of left side longeron (1), right longeron (2), suspension support (25) behind left side longeron (1) and right longeron (2) ventral surface all is provided with the automobile body, suspension support (25) all are located between engine pocket roof beam (5) and third crossbeam (6) behind preceding leaf spring after-poppet (24), the automobile body.
6. The front wide and rear narrow type non-uniform cross section light truck frame assembly of claim 4, wherein: a transmission shaft middle support left bracket (71) and a transmission shaft middle support right bracket (72) are arranged in the middle of the fourth cross beam (7), two ends of the fourth cross beam (7) are connected with the groove-shaped reinforcing plate, one end of the fifth cross beam (8) penetrates through the left longitudinal beam (1) and is provided with a rear plate spring left front bracket (81), the other end of the fifth cross beam (8) penetrates through the right longitudinal beam (2) and is provided with a rear plate spring right front bracket (82), the ventral surfaces of the left longitudinal beam (1) and the right longitudinal beam (2) are respectively provided with a double-row vehicle body rear suspension bracket (26), the double-row vehicle body rear suspension bracket (26) is positioned between the fourth cross beam (7) and the fifth cross beam (8), the sixth cross beam (9) is provided with a shock absorber left bracket (91) and a rear shock absorber right bracket (92), the ventral surfaces of the left longitudinal beam (1) and the right longitudinal beam (2) are respectively provided with a carriage front angle, the front angle iron (27) of the compartment is positioned between the fifth cross beam (8) and the sixth cross beam (9).
7. The front wide and rear narrow type non-uniform cross section light truck frame assembly of claim 4, wherein: the one end of seventh crossbeam (10) passes left longeron (1) and is provided with the left back support of back leaf spring (101), the other end of seventh crossbeam (10) passes right longeron (2) and is provided with the right back support of back leaf spring (102), spare tyre support crossbeam (11) are including first spare tyre support crossbeam (111), second spare tyre support crossbeam (112), first spare tyre support crossbeam (111), second spare tyre support crossbeam (112) are located between seventh crossbeam (10) and frame tail crossbeam (12), all be provided with longeron central siphon (28) on the ventral surface of left longeron (1), right longeron (2), the ventral surface of left longeron (1) and right longeron (2) all is provided with carriage back angle bar (29), longeron central siphon (28), carriage back angle bar (29) are located between seventh crossbeam (10) and spare tyre support crossbeam (11), the flute profile reinforcing plate passes through longeron (28) and left longeron (1), The right longitudinal beams (2) are connected.
8. The front wide and rear narrow type non-uniform cross section light truck frame assembly of claim 4, wherein: and the two ends of the fifth beam (8), the sixth beam (9) and the seventh beam (10) are connected with the groove-shaped reinforcing plate.
9. The front wide rear narrow non-uniform cross-section light truck frame assembly of claim 1, wherein: the heights of the cross sections of the longitudinal beam front section (13), the longitudinal beam middle section (14) and the longitudinal beam rear section (15) are respectively 120mm, 140mm and 100mm, and the upper wing surface of the longitudinal beam front section (13) is 45mm lower than the upper wing surfaces of the longitudinal beam middle section (14) and the longitudinal beam rear section (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110001422.0A CN112590934A (en) | 2021-01-04 | 2021-01-04 | Front-wide rear-narrow non-uniform-section light truck edge beam type frame assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110001422.0A CN112590934A (en) | 2021-01-04 | 2021-01-04 | Front-wide rear-narrow non-uniform-section light truck edge beam type frame assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112590934A true CN112590934A (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110001422.0A Pending CN112590934A (en) | 2021-01-04 | 2021-01-04 | Front-wide rear-narrow non-uniform-section light truck edge beam type frame assembly |
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| Country | Link |
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| CN (1) | CN112590934A (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 |
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Application publication date: 20210402 |