CN108725587B - Frame front end extension beam bracket - Google Patents
Frame front end extension beam bracket Download PDFInfo
- Publication number
- CN108725587B CN108725587B CN201810773636.8A CN201810773636A CN108725587B CN 108725587 B CN108725587 B CN 108725587B CN 201810773636 A CN201810773636 A CN 201810773636A CN 108725587 B CN108725587 B CN 108725587B
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- 230000035939 shock Effects 0.000 claims abstract description 24
- 239000006096 absorbing agent Substances 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 5
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 7
- 230000000712 assembly Effects 0.000 abstract description 5
- 238000000429 assembly Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 5
- 239000000725 suspension Substances 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to the technical field of chassis of frames, in particular to an external beam bracket at the front end of a frame, which comprises a left external beam and a right external beam, wherein the left external beam and the right external beam respectively comprise a constraint area, a loaded area and an assembly area, the constraint area takes a shock absorber connecting hole and a main beam connecting hole as nodes to form a hollowed-out frame, the loaded area comprises four to six connecting ribs extending from the constraint area to the assembly area, the thickness of the loaded area is greater than that of the constraint area, and the left external beam bracket and the right external beam bracket can be connected with each assembly of a main beam, a cross beam, a steering engine, a lifting oil cylinder, a shock absorber, a cooling system and the like, so that the external beam bracket has good bearing function; the mounting positions of the assemblies are basically in the extending direction of the main beam, the thickness of the left and right extension beam brackets is smaller, casting is convenient, the shock resistance is better, and dynamic load, torque and axial force load transmitted by the assemblies can be better borne; the structure is more reasonable, the weight is lighter, and the casting and machining are convenient.
Description
Technical Field
The invention relates to the technical field of chassis of frames, in particular to an extension beam bracket at the front end of a frame.
Background
The frame is a frame structure bridging the front and rear axles of the automobile, is a matrix of the automobile, generally consists of two longitudinal beams and a plurality of cross beams, and is supported on wheels through a suspension device, a front axle and a rear axle. The frame must have sufficient strength and rigidity to withstand the load of the vehicle and the impact transmitted from the wheels.
At the front end of the frame, the left main beam and the right main beam are generally directly connected into a whole by the cross beam, and most of the bumper, the cab front suspension, the lifting oil cylinder, the steering gear and the suspension are required to be installed on the left main beam and the right main beam through respective transition brackets, so that the number of parts at the front end of the frame is various, and parts cannot be easily or even installed due to insufficient space, the cost of the whole vehicle is greatly increased due to the various parts, and the assembly labor intensity of a production line is extremely high. In order to solve the problem, the Dongfeng commercial vehicle limited company discloses a technical scheme in China patent number 201420033605.6, the patent name is a frame front end mounting bracket, a bracket body is additionally arranged between a cross beam and a left main beam and a right main beam, a bumper mounting hole, a cab front suspension mounting hole, a lifting oil cylinder mounting hole, a steering gear mounting hole and a suspension mounting hole are formed in the bracket body, and the problems of complex assembly and time consumption caused by the fact that all parts can be mounted and fixed only by a transition bracket are solved. With the development of technology, other similar brackets at the front end of an axle have also emerged as an extension beam for the frame for connecting multiple assemblies. But has the defects of unreasonable structure, large weight, difficult processing and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an extension beam bracket at the front end of a vehicle frame, which is optimally designed for the structure, meets the requirement of light weight, can bear larger load and is easy to process.
The technical scheme adopted for solving the technical problems is as follows: the front-end extension beam bracket of the frame comprises a left extension beam and a right extension beam, wherein the left extension beam and the right extension beam respectively comprise a constraint area, a loading area and an assembly area;
the restraint area is provided with a shock absorber connecting hole for being connected with the shock absorber and the main beam at the same time and a main beam connecting hole for being connected with the main beam in an auxiliary mode, the restraint area takes the shock absorber connecting hole and the main beam connecting hole as nodes to form a hollowed-out frame, and the frame is provided with reinforcing ribs along the hollowed-out edge part;
the loading area comprises four to six connecting ribs extending from the constraint area to the assembly area, and a reinforcing plate is arranged on one side, close to the main beam, of the connecting ribs;
The upper side of the assembly area is provided with a first connecting plate for connecting a cross beam or a bumper, and the lower side of the assembly area is provided with a second connecting plate for connecting a cooling system;
The thickness of the loaded area is greater than that of the constraint area, the inner side surface and the outer side surface of the loaded area deviate outwards by a certain distance relative to the inner side surface and the outer side surface of the constraint area respectively, the inner side surface of the first connecting plate is flush with the inner side surface of the constraint area, and the outer side surface of the second connecting plate is flush with the outer side surface of the loaded area.
Preferably, the shock absorber connecting holes comprise four holes distributed according to an isosceles trapezoid, and the main beam connecting holes comprise a plurality of holes which are circumferentially arranged around the lower corner hole of the isosceles trapezoid.
Preferably, the joint of the assembly area and the constraint area is a bevel extending along the waist of an isosceles trapezoid.
Preferably, a lifting oil cylinder mounting hole is formed in the lower portion of the constraint area of the right extension beam, and the main beam connecting hole and the lifting oil cylinder mounting Kong Huanrao are arranged far away from the shock absorber connecting hole of the assembly area.
Preferably, a transition slope is arranged at the joint of the assembly area and the loaded area.
Preferably, a cast molding process hole is formed in the middle of the assembly area.
Preferably, the loaded area of the left extension beam is provided with steering gear mounting holes.
Preferably, the left and right extending beams are cast and processed by QT700-2 ductile iron.
The beneficial effects of the invention are as follows: the utility model provides a frame front end extensional beam support, it includes left extensional beam, right extensional beam, left extensional beam, right extensional beam includes the restraint district respectively, receive the district, the assembly district, restraint district uses bumper shock absorber connecting hole, girder connecting hole as node formation fretwork frame, the frame is provided with the strengthening rib along fretwork edge portion, it includes four to six connecting ribs that extend to the assembly district from restraint district to receive the load district, the connecting rib is close to the one side of girder is provided with the reinforcing plate, the thickness of receiving the district is greater than the thickness of restraint district, receive the medial surface of district, the medial surface of side of receiving the district respectively relative to medial surface, outside face outside certain distance of restraint district, through this technical scheme, at first, left and right extensional beam support can connect girder, the crossbeam, the steering engine, lifting cylinder, each assembly such as bumper shock absorber, cooling system, have fine bearing function; secondly, the mounting positions of the assemblies are basically in the extending direction of the main beam, the thickness of the left and right extending beam brackets is smaller, casting is facilitated, the shock resistance is better, and dynamic load, torque and axial force load transmitted by the assemblies can be better borne; thirdly, the structure is more reasonable, the weight is lighter, and the casting and machining are convenient.
Drawings
Fig. 1 is a schematic view of the structure of the frame front end extension beam bracket of the present invention.
Fig. 2 is a schematic view of the left extension beam of fig. 1 at another angle.
Fig. 3 is a schematic view of the right extension beam of fig. 1 at another angle.
Fig. 4 is a schematic view of the front of the left extension beam of fig. 1.
Fig. 5 is a rear view of fig. 4.
Fig. 6 is a top view of fig. 4.
Reference numerals illustrate:
1-left extension beam 2-right extension beam
1A, 2 a-confinement zone 1b, 2 b-load zone
1C, 2 c-Assembly area 3-shock absorber connecting hole
4-Main girder connecting hole 5-reinforcing rib
6-Connecting rib 7-reinforcing plate
8-First connecting plate 9-second connecting plate
10-Lifting cylinder mounting hole 11-craftwork hole
12-Steering engine mounting hole.
Detailed Description
The invention will now be described in further detail with reference to the drawings and the specific embodiments, without limiting the scope of the invention.
As shown in fig. 1 to 6, the front end extension beam bracket of the vehicle frame of the present embodiment includes a left extension beam 1 and a right extension beam 2, wherein the left extension beam 1 and the right extension beam 2 include constraint areas 1a, 2a, load areas 1b, 2b, and assembly areas 1c, 2c, respectively; wherein the restraint areas 1a, 2a are used for being connected with the left and right main beams respectively, the assembly areas 1c, 2c are used for assembling the cross beams (or bumpers) and the cooling system, and the loaded areas 1b, 2b are used for connecting the restraint areas 1a, 2a and the assembly areas 1c, 2c, so that the assembly areas 1c, 2c can extend out of the main beams. In the three areas, the constraint areas 1a and 2a and the loaded areas 1b and 2b are provided with hollowed-out parts, and the assembly areas 1c and 2c use thinner connecting plates to achieve the purpose of weight reduction. In fig. 1, the left and right extension beams 1 and 2 are opposite to each other on the inner sides thereof, and main beams (not shown) are respectively located on the inner sides thereof.
Specifically, restraint district 1a, 2a are provided with the bumper shock absorber connecting hole 3 that is used for being connected with bumper shock absorber and girder simultaneously, be used for with girder auxiliary connection's girder connecting hole 4, restraint district 1a, 2a with bumper shock absorber connecting hole 3, girder connecting hole 4 are the frame of node formation fretwork, the frame is provided with strengthening rib 5 along fretwork edge portion, and strengthening rib 5 is used for strengthening the intensity of frame.
The loading areas 1b and 2b comprise four to six connecting ribs 6 which extend from the constraint areas 1a and 2a to the assembly areas 1c and 2c, and a reinforcing plate 7 is arranged on one side, close to the main beam, of each connecting rib 6; the area (in some cases) needs to bear larger tensile force, torque, axial force and dynamic load, in this embodiment, the non-root connecting ribs 6 are adopted, the width and thickness of the non-root connecting ribs are larger than those of the frames of the constraint areas 1a and 2a, the portions between the connecting ribs 6 are hollow portions, and the hollow portions can be selectively hollow according to calculation.
The upper sides of the assembly areas 1c and 2c are provided with first connecting plates 8 for connecting beams or bumpers, and the lower sides are provided with second connecting plates 9 for connecting a cooling system; the thicknesses of the first connecting plate 8 and the second connecting plate 9 are thinner, the first connecting plate 8 and the second connecting plate are not on the same plane, the design comprehensively considers stress, assembly space and casting convenience, more specifically, the thicknesses of the loaded areas 1b and 2b are larger than those of the constraint areas 1a and 2a, the inner side surfaces and the outer side surfaces of the loaded areas 1b and 2b are respectively opposite to those of the constraint areas 1a and 2a, the inner side surfaces of the first connecting plate 8 are flush with the inner side surfaces of the constraint areas 1a and 2a, and the outer side surfaces of the second connecting plate 9 are flush with the outer side surfaces of the loaded areas 1b and 2 b.
As can be seen from fig. 6, the restraining area 1a, the loading area 1b and the mounting area 1c are approximately on a thickness plane, i.e. the thickness direction does not have a large-volume protruding part, so that the casting is facilitated, the impact resistance is better, and the dynamic load, the torque and the axial force load transmitted by each assembly can be better borne.
Further, the shock absorber connecting hole 3 comprises four holes distributed according to an isosceles trapezoid, the main beam connecting hole 4 comprises a plurality of holes which are wound around the lower corner hole of the isosceles trapezoid, namely, the shape enclosed by the shock absorber connecting hole 3 is partially overlapped with the shape enclosed by the main beam connecting hole 4, and the arrangement is compact and is more beneficial to bearing shearing force.
Further, the joint between the fitting areas 1c, 2c and the constraint areas 1a, 2a is a slope extending along the waist of an isosceles trapezoid, and the slope is designed to disperse the load and stress concentration of the loaded area.
Further, a lifting cylinder mounting hole 10 is formed in the lower portion of the constraint area 2a of the right extension beam 2, and the main beam connecting hole 4 and the lifting cylinder mounting hole 10 are arranged around the shock absorber connecting hole 3 far away from the assembly areas 1c and 2 c.
Further, the junction of the fitting areas 1c, 2c and the loaded areas 1b, 2b is provided with a transition slope.
Further, the middle parts of the assembly areas 1c and 2c are provided with cast molding process holes 11, reinforcing ribs are arranged around the process holes 11, the process holes 11 and the upper top surface in fig. 4 are reference surfaces in machining, namely, other holes, parts to be machined for machining the inner side surface and the outer side surface are drilled firstly by taking the process holes and the upper top surface as references, and then subsequent machining is performed by taking the drilled holes as references. All of the holes in the drawing, except the process hole 11, are not formed at the time of casting, but are drilled at a later stage.
Further, the load receiving area 1b of the left extension beam 1 is provided with a steering gear mounting hole 12.
The left and right extending beams 1 and 2 are cast and processed by QT700-2 ductile iron, and have good shock resistance and shock absorption.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (7)
1. The frame front end extensional beam support, its characterized in that: the device comprises a left extending beam (1) and a right extending beam (2), wherein the left extending beam (1) and the right extending beam (2) respectively comprise constraint areas (1 a and 2 a), loaded areas (1 b and 2 b) and assembly areas (1 c and 2 c);
The restraint areas (1 a, 2 a) are provided with shock absorber connecting holes (3) for being connected with the shock absorber and the main beam at the same time and main beam connecting holes (4) for being connected with the main beam in an auxiliary mode, the restraint areas (1 a, 2 a) form hollowed frames by taking the shock absorber connecting holes (3) and the main beam connecting holes (4) as nodes, and the frames are provided with reinforcing ribs (5) along hollowed edge parts;
The loading areas (1 b, 2 b) comprise four to six connecting ribs (6) extending from the constraint areas (1 a, 2 a) to the assembly areas (1 c, 2 c), and a reinforcing plate (7) is arranged on one side, close to the main beam, of each connecting rib (6);
the upper sides of the assembly areas (1 c, 2 c) are provided with first connecting plates (8) for connecting a cross beam or a bumper, and the lower sides of the assembly areas are provided with second connecting plates (9) for connecting a cooling system;
The thickness of the loaded areas (1 b, 2 b) is larger than that of the constraint areas (1 a, 2 a), the inner side surfaces and the outer side surfaces of the loaded areas (1 b, 2 b) deviate outwards by a certain distance relative to the inner side surfaces and the outer side surfaces of the constraint areas (1 a, 2 a), the inner side surfaces of the first connecting plates (8) are flush with the inner side surfaces of the constraint areas (1 a, 2 a), and the outer side surfaces of the second connecting plates (9) are flush with the outer side surfaces of the loaded areas (1 b, 2 b);
The left extending beam (1) and the right extending beam (2) are cast and processed by QT700-2 ductile iron.
2. The frame front extension beam bracket according to claim 1, wherein: the shock absorber connecting holes (3) comprise four holes distributed according to an isosceles trapezoid, and the main beam connecting holes (4) comprise a plurality of holes which are circumferentially arranged around a hole at the lower corner of the isosceles trapezoid.
3. The frame front extension beam bracket according to claim 2, wherein: the joint of the assembly areas (1 c, 2 c) and the constraint areas (1 a, 2 a) is an inclined plane extending along the waist of the isosceles trapezoid.
4. The frame front extension beam bracket according to claim 2, wherein: the lower part of a constraint zone (2 a) of the right extension beam (2) is provided with a lifting oil cylinder mounting hole (10), and the main beam connecting hole (4) and the lifting oil cylinder mounting hole (10) are arranged around a shock absorber connecting hole (3) which is far away from the assembly zones (1 c and 2 c).
5. The frame front extension beam bracket according to claim 1, wherein: the junction of the mounting zone (1 c, 2 c) and the load zone (1 b, 2 b) is provided with a transition ramp.
6. The frame front extension beam bracket according to claim 1, wherein: and the middle parts of the assembly areas (1 c, 2 c) are provided with cast molding process holes (11).
7. The frame front extension beam bracket according to claim 1, wherein: the loaded area (1 b) of the left extension beam (1) is provided with a steering gear mounting hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810773636.8A CN108725587B (en) | 2018-07-15 | 2018-07-15 | Frame front end extension beam bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810773636.8A CN108725587B (en) | 2018-07-15 | 2018-07-15 | Frame front end extension beam bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108725587A CN108725587A (en) | 2018-11-02 |
| CN108725587B true CN108725587B (en) | 2024-04-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810773636.8A Active CN108725587B (en) | 2018-07-15 | 2018-07-15 | Frame front end extension beam bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108725587B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058938B (en) * | 2021-11-19 | 2022-06-10 | 襄阳金耐特机械股份有限公司 | Ductile cast iron with excellent low-temperature toughness and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202071884U (en) * | 2011-05-04 | 2011-12-14 | 中国重汽集团济南动力有限公司 | Front combination rack assembly for heavy automobile |
| CN203651899U (en) * | 2014-01-17 | 2014-06-18 | 东风商用车有限公司 | Frame front end installation support |
| CN103921842A (en) * | 2014-03-21 | 2014-07-16 | 东风商用车有限公司 | Integrated frame longitudinal beam connecting support |
| CN203819340U (en) * | 2014-05-09 | 2014-09-10 | 中国第一汽车股份有限公司 | Novel frame rail lengthening beam |
| CN204264272U (en) * | 2014-11-11 | 2015-04-15 | 中国第一汽车股份有限公司 | A kind of vehicle frame front-end module assembly |
| CN104590375A (en) * | 2015-02-11 | 2015-05-06 | 安徽江淮汽车股份有限公司 | Front-end bracket for frame of heavy-duty commercial vehicle |
| CN208376878U (en) * | 2018-07-15 | 2019-01-15 | 襄阳金耐特机械股份有限公司 | The overhanging boom support in vehicle frame front end |
-
2018
- 2018-07-15 CN CN201810773636.8A patent/CN108725587B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202071884U (en) * | 2011-05-04 | 2011-12-14 | 中国重汽集团济南动力有限公司 | Front combination rack assembly for heavy automobile |
| CN203651899U (en) * | 2014-01-17 | 2014-06-18 | 东风商用车有限公司 | Frame front end installation support |
| CN103921842A (en) * | 2014-03-21 | 2014-07-16 | 东风商用车有限公司 | Integrated frame longitudinal beam connecting support |
| CN203819340U (en) * | 2014-05-09 | 2014-09-10 | 中国第一汽车股份有限公司 | Novel frame rail lengthening beam |
| CN204264272U (en) * | 2014-11-11 | 2015-04-15 | 中国第一汽车股份有限公司 | A kind of vehicle frame front-end module assembly |
| CN104590375A (en) * | 2015-02-11 | 2015-05-06 | 安徽江淮汽车股份有限公司 | Front-end bracket for frame of heavy-duty commercial vehicle |
| CN208376878U (en) * | 2018-07-15 | 2019-01-15 | 襄阳金耐特机械股份有限公司 | The overhanging boom support in vehicle frame front end |
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| Publication number | Publication date |
|---|---|
| CN108725587A (en) | 2018-11-02 |
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