CN209833770U - Longitudinal beam assembly of commercial vehicle - Google Patents
Longitudinal beam assembly of commercial vehicle Download PDFInfo
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- CN209833770U CN209833770U CN201920327433.6U CN201920327433U CN209833770U CN 209833770 U CN209833770 U CN 209833770U CN 201920327433 U CN201920327433 U CN 201920327433U CN 209833770 U CN209833770 U CN 209833770U
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- longitudinal beam
- main body
- longeron
- commercial vehicle
- beam main
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Abstract
The utility model belongs to the vehicle equipment field, in particular to commercial vehicle's longeron assembly. Longeron assembly of commercial car, it includes the longeron main part of being connected with commercial vehicle girder, its characterized in that: the left side and the right side of the longitudinal beam main body are respectively provided with a lower control arm mounting seat used for being connected with the end part of a lower control arm, and the longitudinal beam main body is also provided with a steering rocker arm mounting seat used for mounting a steering system. The utility model discloses longeron assembly to commercial vehicle improves, adopts the cross-section to be the longeron main part of direction, sets up down control arm mount pad and turns to the rocking arm mount pad in the both sides of longeron main part for suspension a steering system and suspension assembly integration become possible for a whole, assemble simply, simultaneously, the utility model discloses a turn to the rocking arm mount pad in the middle part of longeron main part, make the suspension shorten on the length direction of vehicle, easily host computer factory spatial arrangement satisfies the short overhang of host computer factory, low floor requirement.
Description
Technical Field
The utility model belongs to the vehicle equipment field, in particular to commercial vehicle's longeron assembly.
Background
In the automobile running system, all force transmission connecting devices between a frame and an axle are collectively called as a suspension, and the suspension has the functions of transmitting vertical counter force, longitudinal counter force and lateral counter force acting on wheels on a road surface and torque generated by the counter forces to the frame, inhibiting or weakening impact and vibration caused by uneven road surface and ensuring normal running of an automobile.
Automotive suspensions generally fall into two broad categories: dependent and independent suspensions.
The non-independent suspension is characterized in that left and right wheels are arranged at two ends of an integral axle, the axle is connected with a frame through the suspension, and when the wheel on one side jumps, the wheel on the other side can swing in a transverse plane of the automobile.
The independent suspension is characterized in that the axle is disconnected, each side wheel independently passes through the suspension and the frame necklace, and compared with the non-independent suspension, the independent suspension has the following characteristics: the independent motion of the wheels at the two sides does not influence each other, so that the vibration of the vehicle body can be reduced, the unsprung weight of the vehicle is reduced, and the running stability of the vehicle body is improved.
The suspension of the commercial vehicle in the prior art is generally a non-independent suspension adopting a plate spring structure, and some vehicles also use independent suspensions, CN104385872A, the name of the invention is: a double-cross-arm independent air suspension front axle discloses a longitudinal beam structure with an upper support 12.1, a lower support 12.2 and a connecting support 12.3, and the longitudinal beam structure adopts the structural design of an upper layer and a lower layer, increases the structural height of the longitudinal beam and cannot meet the requirement of low floor of some vehicles.
Disclosure of Invention
To prior art not enough, the utility model discloses longeron assembly to commercial vehicle has improved, adopts the cross-section to be the longeron main part of direction, sets up down control arm mount pad and steering arm mount pad in the both sides of longeron main part for suspension a steering system and suspension assembly are integrated to become probably for a whole, and the assembly is simple, simultaneously, the utility model discloses a steering arm mount pad is located the middle part of longeron main part, makes the suspension shorten on the length direction of vehicle, and easy host computer factory spatial arrangement satisfies the short front overhang of host computer factory, low floor requirement.
The technical scheme of the utility model as follows:
longeron assembly of commercial car, it includes the longeron main part of being connected with commercial vehicle girder, its characterized in that: the left side and the right side of the longitudinal beam main body are respectively provided with a lower control arm mounting seat used for being connected with the end part of a lower control arm, and the longitudinal beam main body is also provided with a steering rocker arm mounting seat used for mounting a steering system.
The lower control arm mounting base comprises a first mounting base and a second mounting base, and the first mounting base and the second mounting base are connected to the longitudinal beam main body in a welding mode.
The steering rocker mounting base is fixedly connected to the longitudinal beam main body between the first mounting base and the second mounting base, and the steering rocker mounting base is located in the middle of the longitudinal beam main body.
The lower control arm mounting seat comprises a seat body, wherein a groove body which is communicated up and down is arranged on the seat body, the outer side face of the seat body at the bottom of the groove body is welded with the longitudinal beam main body into a whole, and connecting holes for mounting the lower control arm are arranged on the end faces of the seat bodies positioned at the two sides of the groove body.
The included angle of the steering systems on the left side and the right side in the axial direction of the rotation after being connected with the steering rocker arm mounting seat is 17 degrees.
The steering rocker arm mounting seat comprises a connecting part welded with the longitudinal beam main body into a whole, a mounting part connected with a steering system is arranged on the connecting part, the mounting part comprises a mounting seat body fixedly connected with the connecting part, a yielding groove is arranged on the mounting seat body along the length direction of the longitudinal beam main body, and connecting holes used for mounting the steering system are formed in the end face of the mounting seat body positioned on two sides of the yielding groove.
Connecting portion include the anastomotic attaching plate of longeron main part surface shape, attaching plate welded fastening connects in the longeron main part, is equipped with the supporting component that supports the installation department on the attaching plate, the supporting component is including being the first backup pad that the level was placed and the tip is connected with the attaching plate, the other end and the installation department of first backup pad are connected to and be the slope setting and with the second backup pad that the attaching plate is connected, the other end and the installation department of second backup pad are connected. (Note writing auxiliary supporting board)
The two ends of the longitudinal beam main body are also provided with connecting plates, the connecting plates are provided with a plurality of connecting through holes, and the connecting through holes are used for connecting the longitudinal beam main body with other parts of the vehicle.
And reinforcing ribs are arranged between the connecting plates and the longitudinal beam main body and are used for enhancing the connecting strength of the connecting plates and the longitudinal beam main body.
In summary, the utility model has the following beneficial effects;
1. the utility model discloses improved the structure of commercial vehicle's longeron assembly, adopted the cross-section to be the longeron main part of direction, set up down control arm mount pad and steering rocker arm mount pad in the both sides of longeron main part, make suspension steering system and suspension assembly integrate into a whole and become possible, the assembly is simple;
2. the utility model discloses a steering rocker arm mount seat is located the middle part of longeron main part for the suspension shortens on the length direction of vehicle, and easy host computer factory spatial arrangement satisfies the short front overhang of host computer factory, low floor requirement.
Drawings
Fig. 1 is an axial view of the present invention;
fig. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a schematic top view of the present invention;
in the drawing, 1 is a longitudinal beam main body, 2 is a steering rocker arm mounting base, 3 is a lower control arm mounting base, 30 is a first mounting base, 31 is a second mounting base, 32 is a base body, 33 is a groove body, 34 is a connecting hole, 20 is a connecting part, 21 is a mounting part, 210 is a mounting base body, 211 is an abdicating groove, 212 is a connecting hole, 201 is a laminating plate, 202 is a supporting component, 2022 is a first supporting plate, 2023 is a second supporting plate, 2024 is an auxiliary supporting plate, 10 is a connecting plate, 11 is a connecting through hole, 12 is a reinforcing rib, and 120 is a lightening hole.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
As shown in fig. 1 and 3, the longeron assembly of commercial car, it includes longeron main part 1 with commercial vehicle girder connection, and the longeron main part adopts banding pipe fitting, and the cross-section of pipe fitting is square, and further said, the pipe fitting is the seamless pipe, adopts square seamless pipe to increase the intensity of longeron main part, compares in cell type longeron or T type longeron among the prior art, has obvious promotion, its characterized in that on structural strength: longeron main part 1 the left and right sides be equipped with respectively and be used for the lower control arm mount pad 3 of being connected with lower control arm tip, still be equipped with the steering rocker arm mount pad 2 that is used for the steering system installation in longeron main part 1, the utility model discloses the structure to the longeron assembly has improved, has integrateed down the control arm mount pad and has turned to the rocker arm mount pad in the left and right sides of longeron assembly, has realized promptly that the longeron assembly is integrated as a whole with suspension steering system and suspension assembly, and is simpler in follow-up whole car assembling process, has reduced the degree of difficulty of assembly, and the control arm mount pad is relatively fixed with the position that turns to the rocker arm mount pad down, easily installation size's control.
Further, the lower control arm mounting base 3 comprises a first mounting base 30 and a second mounting base 31, the first mounting base 30 and the second mounting base 31 are both connected to the longitudinal beam main body in a welded mode, the form of the lower control arm mounting base is limited, the first mounting base and the second mounting base are arranged on the longitudinal beam main body and are respectively used for fixing two connecting ends of the lower control arm, the connecting modes of the first mounting base and the longitudinal beam main body and the second mounting base and the longitudinal beam main body are limited, the welding mode is adopted to achieve good connection reliability, the first mounting base is close to the front end of the longitudinal beam main body, and the second mounting base is close to the rear end of the longitudinal beam main body.
The steering rocker arm mounting seat 2 is fixedly connected to the longitudinal beam main body 1 between the first mounting seat and the second mounting seat, the steering rocker arm mounting seat is located in the middle of the longitudinal beam main body, further, the position of the steering rocker arm mounting seat on the longitudinal beam main body is limited, the steering rocker arm mounting seat is located in the middle of the longitudinal beam main body, the length of the longitudinal beam main body can be shortened by adopting a middle-arranged layout design, the space arrangement of a host factory is facilitated, and the requirements of short front overhang and low floor of the host factory are met.
Here, the specific structure of the first and second mounting seats is described. Lower control arm mount pad 3 include pedestal 32, be equipped with the cell body 33 that link up from top to bottom on pedestal 32, the cell body of setting provides the pivoted space for the rotation of lower control arm and longeron junction, avoid down the interference between control arm and the longeron, also make the suspension obtain great adjustment range, make the suspension can adapt to more road conditions, the lateral surface and the longeron main part of the pedestal of cell body 31 bottom weld integratively, adopt the welded mode, connect good reliability, be located and be equipped with the connecting hole 34 that is used for control arm installation down on the terminal surface of the pedestal of cell body both sides, lower control arm passes through the screw and is connected with the connecting hole. The distance between the axes of the adjacent connecting holes of the two lower control arm mounting seats is 539 +/-5 mm, the distance between the axis of the connecting hole of the lower control arm mounting seat close to the front end of the longitudinal beam main body and the front end of the longitudinal beam body is 144.5mm, the distance between the axes of the connecting holes arranged on the end surface of the lower control arm mounting seat is 111 +/-5 mm, the width of a groove body on the lower control arm mounting seat is 76mm, and the position and specific structural parameters of components on the longitudinal beam main body are limited.
As shown in fig. 2, the included angle of the steering system on the left and right sides in the axial direction of rotation after being connected with the steering rocker arm mounting base is 17 degrees, and the steering rocker arm mounting base is arranged in an inclined manner, so that the height of each connecting rod connected with the steering rocker arm is increased, and the problem of interference between a suspension and the connecting rod is avoided.
Turn to rocking arm mount pad 2 include the connecting portion 20 that welds integratively with the longeron main part, be equipped with the installation department 21 of being connected with a steering system on the connecting portion 20, installation department 21 include with connecting portion fixed connection's installation pedestal 210, the length direction of following the longeron main part on the installation pedestal 210 is equipped with the groove 211 of stepping down, be located to be equipped with the connecting hole 212 that is used for the steering system installation on the terminal surface of the installation pedestal of groove both sides of stepping down, turn to the installation of rocking arm mount pad be convenient for turn to the rocking arm, and can not produce with the longeron main part after the installation and interfere, realized integrating suspension a steering system.
The connecting part 20 comprises an attaching plate 201 matched with the surface shape of the longitudinal beam main body, the attaching plate 201 is fixedly connected to the longitudinal beam main body in a welding mode, the attaching plate can increase the contact area with the longitudinal beam main body, the structural strength is good after welding, a supporting component 202 for supporting the installation part is arranged on the attaching plate 201, the supporting component 202 comprises a first supporting plate 2022 which is horizontally arranged, the end part of the first supporting plate is connected with the attaching plate, the other end of the first supporting plate 2022 is connected with the installation part 21, and a second supporting plate 2023 which is obliquely arranged and connected with the attaching plate, the other end of the second supporting plate 2023 is connected with the installation part 21, the arranged first supporting plate and the arranged second supporting plate are used for supporting the installation seat, meanwhile, the oblique arrangement of the installation seat is realized, the requirement on the design angle of the installation seat is convenient to realize, meanwhile, an auxiliary supporting plate 2024 is also, the two ends of the auxiliary supporting plate are respectively welded and fixed on the first supporting plate and the second supporting plate, the structural strength of the whole supporting assembly is improved, furthermore, lightening holes are formed in the first supporting plate, the second supporting plate and the auxiliary supporting plate, the quality of the longitudinal beam assembly is effectively controlled on the premise of ensuring the strength, the requirement of light weight of a host factory is met, and the distance between the connecting hole and the axis of the connecting hole of the lower swing arm mounting seat close to the front end of the longitudinal beam main body is 219.5 +/-5 mm.
The two ends of the longitudinal beam main body 1 are also provided with connecting plates 10, the connecting plates 10 are provided with a plurality of connecting through holes 11, and the connecting through holes are used for connecting the longitudinal beam main body with other parts of the vehicle.
Still be equipped with strengthening rib 12 between connecting plate 10 and longeron main part 1, strengthening rib 12 is used for strengthening the joint strength of connecting plate and longeron main part, further, is equipped with a plurality of lightening hole 120 on the strengthening rib, under the prerequisite of guaranteeing intensity, effectively controlled the quality of longeron assembly, satisfied the lightweight requirement of host computer factory.
In summary, the utility model has the following beneficial effects;
1. the utility model discloses improved the structure of commercial vehicle's longeron assembly, adopted the cross-section to be the longeron main part of direction, set up down control arm mount pad and steering rocker arm mount pad in the both sides of longeron main part, make suspension steering system and suspension assembly integrate into a whole and become possible, the assembly is simple;
2. the utility model discloses a steering rocker arm mount seat is located the middle part of longeron main part for the suspension shortens on the length direction of vehicle, and easy host computer factory spatial arrangement satisfies the short front overhang of host computer factory, low floor requirement.
Claims (9)
1. Longeron assembly of commercial car, it includes the longeron main part of being connected with commercial vehicle girder, its characterized in that: the left side and the right side of the longitudinal beam main body are respectively provided with a lower control arm mounting seat used for being connected with the end part of a lower control arm, and the longitudinal beam main body is also provided with a steering rocker arm mounting seat used for mounting a steering system.
2. The longitudinal beam assembly of a commercial vehicle of claim 1, wherein: the lower control arm mounting base comprises a first mounting base and a second mounting base, and the first mounting base and the second mounting base are connected to the longitudinal beam main body in a welding mode.
3. The longitudinal beam assembly of a commercial vehicle of claim 2, wherein: the steering rocker mounting base is fixedly connected to the longitudinal beam main body between the first mounting base and the second mounting base, and the steering rocker mounting base is located in the middle of the longitudinal beam main body.
4. The longitudinal beam assembly of a commercial vehicle according to any one of claims 2 or 3, wherein: the lower control arm mounting seat comprises a seat body, wherein a groove body which is communicated up and down is arranged on the seat body, the outer side face of the seat body at the bottom of the groove body is welded with the longitudinal beam main body into a whole, and connecting holes for mounting the lower control arm are arranged on the end faces of the seat bodies positioned at the two sides of the groove body.
5. The longitudinal beam assembly of a commercial vehicle of claim 1, wherein: the included angle of the steering systems on the left side and the right side in the axial direction of the rotation after being connected with the steering rocker arm mounting seat is 17 degrees.
6. The longitudinal beam assembly of a commercial vehicle of claim 1, wherein: the steering rocker arm mounting seat comprises a connecting part welded with the longitudinal beam main body into a whole, a mounting part connected with a steering system is arranged on the connecting part, the mounting part comprises a mounting seat body fixedly connected with the connecting part, a yielding groove is arranged on the mounting seat body along the length direction of the longitudinal beam main body, and connecting holes used for mounting the steering system are formed in the end face of the mounting seat body positioned on two sides of the yielding groove.
7. The longitudinal beam assembly of a commercial vehicle of claim 6, wherein: connecting portion include the anastomotic attaching plate of longeron main part surface shape, attaching plate welded fastening connects in the longeron main part, is equipped with the supporting component that supports the installation department on the attaching plate, the supporting component is including being the first backup pad that the level was placed and the tip is connected with the attaching plate, the other end and the installation department of first backup pad are connected to and be the slope setting and with the second backup pad that the attaching plate is connected, the other end and the installation department of second backup pad are connected.
8. The longitudinal beam assembly of a commercial vehicle of claim 1, wherein: the two ends of the longitudinal beam main body are also provided with connecting plates, the connecting plates are provided with a plurality of connecting through holes, and the connecting through holes are used for connecting the longitudinal beam main body with other parts of the vehicle.
9. The commercial vehicle rail assembly of claim 8, wherein: and reinforcing ribs are arranged between the connecting plates and the longitudinal beam main body and are used for enhancing the connecting strength of the connecting plates and the longitudinal beam main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920327433.6U CN209833770U (en) | 2019-03-14 | 2019-03-14 | Longitudinal beam assembly of commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920327433.6U CN209833770U (en) | 2019-03-14 | 2019-03-14 | Longitudinal beam assembly of commercial vehicle |
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| Publication Number | Publication Date |
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| CN209833770U true CN209833770U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920327433.6U Active CN209833770U (en) | 2019-03-14 | 2019-03-14 | Longitudinal beam assembly of commercial vehicle |
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| CN (1) | CN209833770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114537524A (en) * | 2022-01-24 | 2022-05-27 | 泰安航天特种车有限公司 | Frame structure of off-road vehicle and off-road vehicle |
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2019
- 2019-03-14 CN CN201920327433.6U patent/CN209833770U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114537524A (en) * | 2022-01-24 | 2022-05-27 | 泰安航天特种车有限公司 | Frame structure of off-road vehicle and off-road vehicle |
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Effective date of registration: 20200402 Address after: 201807 1055 Fuhai Road, Jiading Industrial Zone, Jiading District, Shanghai Patentee after: SHANGHAI KOMMAN VEHICLE COMPONENT SYSTEMS STOCK Co.,Ltd. Address before: 211400, 6, new town industrial concentration area, Yangzhou, Jiangsu, Yizheng Patentee before: YANGZHOU DONGSHENG AUTOMOTIVE Co.,Ltd. |