CN214523257U

CN214523257U - Balance shaft and beam assembly

Info

Publication number: CN214523257U
Application number: CN202120920806.8U
Authority: CN
Inventors: 秦通; 张永正; 李村家; 马敏锐; 吕枝俏; 张锦珠; 赖亚河; 杨琳
Original assignee: Dong Feng Shiyan Chassis Parts Co ltd
Current assignee: Dongshi Chassis Hubei Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-10-29
Anticipated expiration: 2031-04-30

Abstract

The utility model provides a balanced axle crossbeam assembly, relate to spare part technical field of commercial car, a balanced axle crossbeam assembly, close the piece including the crossbeam, distance rod support and connecting plate, the crossbeam closes the piece and includes entablature and bottom end rail, the entablature is one shot forming's semi-enclosed structure, semi-enclosed structure's entablature cross-section is "nearly" style of calligraphy, semi-enclosed structure's entablature both ends are opened to the outside respectively and are "V" style of calligraphy, the edge at entablature both ends outwards extends the mounting panel respectively, entablature and bottom end rail structure are the same, the entablature and the bottom end rail cross-lock of the same structure are connected, the entablature is equipped with the mounting groove respectively with the butt joint face both ends of bottom end rail butt joint, the distance rod support passes through the mounting groove chucking between entablature and bottom end rail, the mounting panel at crossbeam closes the piece both ends is connected with the connecting plate. The utility model discloses a optimize the beam assembly and make the beam assembly reach the purpose that subtracts heavy oil consumption reduction under the prerequisite that has stability and stress and rigidity and do not reduce.

Description

Balance shaft and beam assembly

Technical Field

The utility model relates to a commercial car spare part technical field specifically is a balance shaft beam assembly.

Background

Experiments prove that if the whole automobile mass is reduced by 10%, the fuel efficiency can be improved by 6% -8%; the oil consumption per hundred kilometers can be reduced by 0.3-0.6L when the total weight of the oil preparation is reduced by 100 kg. The dead weight of the heavy truck is reduced, the oil consumption is reduced, the emission of harmful substances is reduced, the weight-calculating charge expenditure is saved, the weight utilization coefficient of the heavy truck is improved, and the transportation profit is increased. After the weight of the automobile is reduced, the gravity center of the automobile body can be reduced, and the automobile can run more stably and comfortably. The light weight can reduce rolling resistance, acceleration resistance and climbing resistance, and can create conditions for realizing high power.

The balance shaft beam assembly is an indispensable product in an automobile chassis system, the design of light weight is carried out, the balance shaft beam assembly plays a role in strengthening the rigidity of a frame assembly at a balance shaft suspension besides bearing in the chassis system, the use environment stress at the balance shaft is complex, and the stress and the torque are concentrated. The existing balance shaft beam has high weight, particularly the thrust rod support body is heavy in weight, and the oil consumption of the whole vehicle is increased.

Disclosure of Invention

The utility model aims at providing a balance shaft beam assembly for solve among the above-mentioned background art balance shaft beam weight at high, especially thrust rod support body material weight is heavy partially, the problem that whole car oil consumption also rose thereupon.

The technical scheme of the utility model as follows: a balance shaft beam assembly comprises a beam assembly, a thrust rod bracket and a connecting plate, wherein the beam assembly comprises an upper beam and a lower beam, the upper beam is a one-step formed semi-surrounding structure, the cross section of the upper beam of the semi-surrounding structure is in a shape of Chinese character ji, two ends of the upper beam of the semi-surrounding structure are respectively opened to the outer sides to be in a shape of Chinese character ji, the edges of two ends of the upper beam respectively extend outwards to form mounting plates, the upper cross beam and the lower cross beam have the same structure, the upper cross beam and the lower cross beam with the same structure are connected in a buckling way, the middle part of the cross beam assembly is symmetrically provided with lightening holes, mounting grooves are respectively arranged at two ends of the butt joint surface of the upper cross beam and the lower cross beam, the thrust rod bracket is tightly clamped between the upper cross beam and the lower cross beam through the mounting grooves, the beam assembly is clamped with the thrust rod support and then installed between the two connecting plates, and the mounting plates at the two ends of the beam assembly are connected with the connecting plates.

The improvement of the technical scheme is as follows: and the joints of the upper cross beam, the lower cross beam and the thrust rod bracket are connected together in a welding mode.

The technical scheme is further improved as follows: the beam assembly and the connecting plate are connected through riveting or bolts.

The technical scheme is further improved as follows: the cross beam assembly and the connecting plate are made of hot rolled steel plates for automobiles, the thrust rod support is a casting, and the material is nodular cast iron.

The technical scheme is further improved: the cross beam assembly and the connecting plate are made of hot rolled steel plates for automobiles, the thrust rod support is a casting, and the material is nodular cast iron.

The technical scheme is further improved: the material trade mark that crossbeam closes piece and connecting plate adopted is DL590 or DL700 or DL750, and the material trade mark that thrust rod support adopted is QT700 or QT 800.

The technical scheme is further improved: the thickness of the material adopted by the beam assembly and the left and right connecting plates is 5.0-8.0 mm, and the elongation of the material of the thrust rod bracket is 5-10%.

The utility model discloses following beneficial effect has:

the utility model adopts the buckling connection of the upper beam and the lower beam, the upper beam and the lower beam are then connected with the thrust rod bracket in a clamping way to realize the integration of the beams, and two triangular structure effects are respectively formed between the two ends of the connected rear beam assembly and the connecting plate, so that the whole structure is more stable, and the stress and the rigidity are not reduced;

the cross beam and the connecting plate are made of hot rolled steel plate materials for the automobile, the hot rolled steel plate materials are high in hardness and good in toughness and ductility, the thrust rod support is made of nodular cast iron, the nodular cast iron is high in strength, high in toughness and wear-resisting, the self weight of the balance shaft and cross beam assembly is reduced, the oil consumption of the whole automobile is reduced, the stress and the rigidity of a balance shaft suspension frame are guaranteed, and the requirements of reducing weight and reducing cost are met.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a schematic side view of the present invention.

In the figure: the structure comprises a beam assembly 1, an upper beam 1-1, a lower beam 1-2, a thrust rod support 2, a connecting plate 3, a mounting plate 4 and a lightening hole 5.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, 2, 3 and 4, the utility model provides a balance shaft-beam assembly, which comprises a beam assembly 1, a thrust rod support 2 and a connecting plate 3, wherein the beam assembly 1 comprises an upper beam 1-1 and a lower beam 1-2, the upper beam 1-1 is a one-step formed semi-enclosed structure, the cross section of the upper beam 1-1 of the semi-enclosed structure is in a shape of Chinese character ji, two ends of the upper beam 1-1 of the semi-enclosed structure are respectively opened to the outside to form a shape of Chinese character "V", edges of two ends of the upper beam 1-1 respectively extend outwards to form a mounting plate 4, the upper beam 1-1 and the lower beam 1-2 have the same structure, the upper beam 1-1 and the lower beam 1-2 of the same structure are buckled and connected, lightening holes 5 are symmetrically arranged in the middle of the beam assembly 1, two ends of a butt joint surface of the upper beam 1-1 and the lower beam 1-2 are respectively provided with mounting grooves, the thrust rod support 2 is clamped between the upper cross beam 1-1 and the lower cross beam 1-2 through a mounting groove, the cross beam assembly 1 and the thrust rod support 2 are clamped and then mounted between the two connecting plates 3, and the mounting plates 4 at two ends of the cross beam assembly 1 are connected with the connecting plates 3;

the upper beam 1-1 and the lower beam 1-2 are processed by blanking, punching, molding and other technological modes, the thrust rod bracket 2 is processed by casting, and the connecting plate 3 is processed by laser cutting shape and corresponding hole site or plane punching and plasma cutting technological modes.

Furthermore, the joints of the upper crossbeam 1-1, the lower crossbeam 1-2 and the thrust rod bracket 2 are connected together in a welding mode.

Further, the beam assembly 1 and the connecting plate 3 are connected by riveting or bolting.

Furthermore, the beam assembly 1 and the connecting plate 3 are made of steel plate materials for automobile beams, and the thrust rod bracket 2 is made of high-strength and high-toughness nodular cast iron materials.

Still further, the beam assembly 1 and the connecting plate 3 are made of steel plates (hot-rolled high-strength steel plates and steel strips for EQL-27-2009 automobile, manufactured by eastern wind automobile company), and the thrust rod bracket 2 is made of high-strength and high-toughness nodular cast iron.

Still further, the material trade mark that crossbeam closes piece 1 and connecting plate 3 adopted is DL590 or DL700 or DL750, and the material trade mark that thrust rod support 2 adopted is QT700 or QT 800.

Furthermore, the thickness of the material adopted by the beam assembly 1 and the connecting plate 3 is 5.0-8.0 mm, and the elongation of the material of the thrust rod bracket 2 is 5% -10%.

The above-described embodiments are merely preferred examples of the present invention and are not exhaustive of the possible implementations of the present invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the invention so modified beyond the spirit and scope of the present invention.

Claims

1. The utility model provides a balanced axle beam assembly, includes beam assembly (1), thrust bar support (2) and connecting plate (3), its characterized in that: the beam assembly (1) comprises an upper beam (1-1) and a lower beam (1-2), the upper beam (1-1) is of a one-step forming semi-surrounding structure, the cross section of the upper beam (1-1) of the semi-surrounding structure is in a shape of Chinese character ji, two ends of the upper beam (1-1) of the semi-surrounding structure are respectively opened towards the outer side to form a shape of Chinese character ji, the edges of two ends of the upper beam (1-1) respectively extend outwards to form mounting plates (4), the upper beam (1-1) and the lower beam (1-2) have the same structure, the upper beam (1-1) and the lower beam (1-2) with the same structure are connected in a buckling manner, weight reducing holes (5) are symmetrically arranged in the middle of the beam assembly (1), two ends of a butt joint surface of the upper beam (1-1) and the lower beam (1-2) are respectively provided with mounting grooves, the thrust rod support (2) is clamped between the upper beam (1-1) and the lower beam (1-2) through a mounting groove, the beam assembly (1) and the thrust rod support (2) are clamped and then mounted between the two connecting plates (3), and the mounting plates (4) at the two ends of the beam assembly (1) are connected with the connecting plates (3).

2. The balance shaft beam assembly of claim 1 wherein: the upper cross beam (1-1), the lower cross beam (1-2) and the thrust rod bracket (2) are connected together in a welding mode.

3. A balance shaft beam assembly according to claim 1 or 2 wherein: the beam assembly (1) is connected with the connecting plate (3) through riveting or bolts.

4. A balance shaft beam assembly according to claim 1 or 2 wherein: the cross beam assembly (1) and the connecting plate (3) are made of hot rolled steel plates for automobiles, the thrust rod bracket (2) is a casting, and the material is nodular cast iron.

5. A balance shaft beam assembly according to claim 3 wherein: the cross beam assembly (1) and the connecting plate (3) are made of hot rolled steel plates for automobiles, the thrust rod bracket (2) is a casting, and the material is nodular cast iron.

6. The balance shaft beam assembly of claim 4 wherein: the material trade mark that crossbeam closes piece (1) and connecting plate (3) adopted is DL590 or DL700 or DL750, and the material trade mark that thrust rod support (2) adopted is QT700 or QT 800.

7. The balance shaft beam assembly of claim 4 wherein: the thickness of the material adopted by the beam assembly (1) and the connecting plate (3) is 5.0-8.0 mm, and the elongation of the material of the thrust rod bracket (2) is 5-10%.