CN211442480U - Frame cross beam of heavy-duty car - Google Patents
Frame cross beam of heavy-duty car Download PDFInfo
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- CN211442480U CN211442480U CN201921995034.3U CN201921995034U CN211442480U CN 211442480 U CN211442480 U CN 211442480U CN 201921995034 U CN201921995034 U CN 201921995034U CN 211442480 U CN211442480 U CN 211442480U
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- main beam
- vertical section
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Abstract
The utility model provides a frame cross beam of heavy-duty car, its characterized in that: the cross section of the main beam is in an inverted U shape, and the radial dimension of the main beam is gradually reduced from two end parts to the middle part; the main beam comprises a left vertical section, a horizontal section and a right vertical section which are sequentially connected from left to right, and flanges extending outwards are arranged at the bottoms of the left vertical section and the right vertical section; wing plates are arranged at two ends of the main beam and are vertical to the longitudinal direction of the main beam; the two ends of the upper portion of the main beam are both provided with connecting seats extending vertically, and the upper surfaces of the connecting seats are arranged horizontally. The frame cross beam has the advantages of simple structure, light weight, good mechanical property and high degree of function integration.
Description
Technical Field
The utility model relates to an automobile manufacturing technical field, especially a frame cross member of heavy-duty car.
Background
The frame cross beam is an important component of the frame assembly and is a key part for improving the performance of the frame. The crossbeam of heavy-duty car has multiple type according to the difference position at solebar, the frame crossbeam that is in vehicle rear suspension balance shaft department is owing to be in the vehicle, between the rear axle, play the effect of balanced middle and rear axle, the frame crossbeam of this department need be connected with solebar through under frame upper junction plate and the frame usually, the structure is more complicated usually, self weight is heavier, mechanical properties is poor, and the function singleness is unfavorable for the holistic lightweight of frame, integrate, manufacturing cost is also higher.
SUMMERY OF THE UTILITY MODEL
To the problem in the background art, the utility model provides a frame cross beam of heavy-duty car to among the solution prior art, frame cross beam structure is complicated, heavy, the cost of manufacture is high, mechanical properties is poor, the problem of function singleness.
The utility model aims at realizing through the technical scheme, it is including:
the utility model provides a frame cross member of heavy-duty car which innovation point lies in: the cross section of the main beam is in an inverted U shape, and the radial dimension of the main beam is gradually reduced from two end parts to the middle part; the main beam comprises a left vertical section, a horizontal section and a right vertical section which are sequentially connected from left to right, wherein flanges extending outwards are arranged at the bottoms of the left vertical section and the right vertical section, and connecting holes used for being connected with a lower connecting plate of the longitudinal beam are arranged at two ends of each flange; wing plates are arranged at two ends of the main beam, are vertical to the longitudinal direction of the main beam, and are provided with connecting holes for connecting with the frame longitudinal beam; the two ends of the upper portion of the main beam are respectively provided with a connecting seat extending vertically, the upper surface of each connecting seat is arranged horizontally, connecting holes used for being connected with the upper connecting plate of the longitudinal beam are formed in the upper surface of each connecting seat, and connecting holes used for being connected with the end portions of the V-shaped thrust rods of the suspension frames are respectively formed in the left side and the right side of each connecting seat.
Furthermore, the frame cross beam is an integrally formed cast structure body, and joints among the main beam, the wing plate and the connecting seat are all set to be in smooth transition.
Furthermore, a reinforcing rib plate is arranged inside the main beam.
Furthermore, the middle part of the left vertical section and the middle part of the right vertical section are both provided with lightening holes.
Furthermore, the middle part of the flanging is also provided with a connecting hole for connecting a control valve.
Due to the adoption of the technical scheme, the utility model discloses following advantage has: the cross section of the main beam of the frame cross beam is of a U-shaped structure, the radial sizes of the two ends of the main beam fully utilize the height of the frame longitudinal beam to achieve the maximum supporting section, and the radial size of the middle part of the main beam is slightly smaller, so that the bending rigidity of the whole frame cross beam is ensured, the equal torsional strength from the two ends to the middle part is realized, the mechanical property of the frame cross beam is greatly improved, and as optimization, the reinforcing rib plates are arranged in the main beam, and the strength of the frame cross beam is further improved; the frame cross beam is optimized to adopt an integrally formed casting structure, the structure is simple, the cost is low, the U-shaped cross section structure is also beneficial to casting and demolding, and the lightening holes are used for passing and laying pipelines while the weight of the frame cross beam is further reduced; in the existing structure, a suspension V-shaped thrust rod is usually connected with a frame longitudinal beam independently, the occupied space is large, the structure is not compact, the frame cross beam integrates an installation hole position of the suspension V-shaped thrust rod, the end part of the suspension V-shaped thrust rod can be directly installed on the frame cross beam, the installation space of the frame longitudinal beam is saved, the stress condition is also improved, meanwhile, connecting holes of various control valves are integrated on the turned edge, and the function integration capacity of the frame cross beam is further improved.
Drawings
The drawings of the present invention are described below.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
fig. 4 is a schematic perspective view of the present invention;
fig. 5 is a schematic view of the installation structure of the present invention.
In the figure: 1. a main beam; 2. a wing plate; 3. a connecting seat; 4. reinforcing rib plates; 11. a left vertical section; 12. a horizontal segment; 13. a right vertical section; 14. flanging; 15. lightening holes; 16. a longitudinal beam lower connecting plate; 17. a frame rail; 18. and a longitudinal beam upper connecting plate.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The frame cross beam of the heavy-duty car shown in the attached drawings 1 to 4 is an integrally formed cast structure body and comprises a main beam 1 extending along the longitudinal direction of the frame cross beam, the cross section of the main beam 1 is inverted U-shaped, a reinforcing rib plate 4 is further arranged inside the main beam 1, and the radial dimension of the main beam 1 is gradually reduced from two end parts to the middle part; the main beam 1 comprises a left vertical section 11, a horizontal section 12 and a right vertical section 13 which are sequentially connected from left to right, weight reducing holes 15 are formed in the middle of the left vertical section 11 and the middle of the right vertical section 13, flanges 14 which extend outwards are arranged at the bottoms of the left vertical section 11 and the right vertical section 12, connecting holes used for being connected with a lower connecting plate 16 of a longitudinal beam are formed in two ends of each flange 14, and connecting holes used for being connected with a control valve are further formed in the middle of each flange 14; two ends of the main beam 1 are respectively provided with a wing plate 2, the wing plates 2 are vertical to the longitudinal direction of the main beam, and the wing plates 2 are provided with connecting holes for connecting with a frame longitudinal beam 17; the two ends of the upper portion of the main beam 1 are provided with connecting seats 3 extending vertically, the upper surfaces of the connecting seats 3 are arranged horizontally, connecting holes used for being connected with the longitudinal beam upper connecting plate 18 are formed in the upper surfaces of the connecting seats 3, and connecting holes used for being connected with the end portions of the suspension V-shaped thrust rods are formed in the left side and the right side of the connecting seats 3 respectively. The joints among the main beam 1, the wing plate 2 and the connecting seat 3 are all set to be in smooth transition.
As shown in the attached figure 5, the frame cross beam is connected with a longitudinal beam upper connecting plate 18 through a connecting seat 3 and is connected with a longitudinal beam lower connecting plate 16 through a flanging 14, the longitudinal beam upper connecting plate 18 and the longitudinal beam lower connecting plate 16 are further connected with a frame longitudinal beam 17, and meanwhile, the frame cross beam is also connected with the frame longitudinal beam 17 through a connecting hole shared by a wing plate 2 and the longitudinal beam lower connecting plate 16.
Claims (5)
1. The utility model provides a frame cross member of heavy-duty car which characterized in that: the cross section of the main beam (1) is in an inverted U shape, and the radial dimension of the main beam (1) is gradually reduced from two end parts to the middle part; the main beam (1) comprises a left vertical section (11), a horizontal section (12) and a right vertical section (13) which are sequentially connected from left to right, wherein flanges (14) extending outwards are arranged at the bottoms of the left vertical section (11) and the right vertical section (13), and connecting holes used for being connected with a lower connecting plate of the longitudinal beam are formed in two ends of each flange (14); wing plates (2) are arranged at two ends of the main beam (1), the wing plates (2) are vertical to the longitudinal direction of the main beam, and connecting holes for connecting with a frame longitudinal beam are formed in the wing plates (2); the two ends of the upper portion of the main beam (1) are provided with connecting seats (3) extending vertically, the upper surfaces of the connecting seats (3) are horizontally arranged, connecting holes used for being connected with the upper connecting plate of the longitudinal beam are formed in the upper surfaces of the connecting seats (3), and the left side and the right side of each connecting seat (3) are respectively provided with connecting holes used for being connected with the end portions of V-shaped thrust rods of the suspension frames.
2. The heavy vehicle frame rail of claim 1, wherein: the frame cross beam is an integrally formed cast structure body, and joints among the main beam (1), the wing plate (2) and the connecting seat (3) are all set to be in smooth transition.
3. The frame rail for a heavy vehicle according to claim 1 or 2, characterized in that: and a reinforcing rib plate (4) is also arranged in the main beam (1).
4. The frame rail for a heavy vehicle according to claim 1 or 2, characterized in that: and the middle parts of the left vertical section (11) and the right vertical section (13) are provided with lightening holes (15).
5. The frame rail for a heavy vehicle according to claim 1 or 2, characterized in that: the middle part of the flanging (14) is also provided with a connecting hole for connecting a control valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921995034.3U CN211442480U (en) | 2019-11-19 | 2019-11-19 | Frame cross beam of heavy-duty car |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921995034.3U CN211442480U (en) | 2019-11-19 | 2019-11-19 | Frame cross beam of heavy-duty car |
Publications (1)
Publication Number | Publication Date |
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CN211442480U true CN211442480U (en) | 2020-09-08 |
Family
ID=72308163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201921995034.3U Active CN211442480U (en) | 2019-11-19 | 2019-11-19 | Frame cross beam of heavy-duty car |
Country Status (1)
Country | Link |
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CN (1) | CN211442480U (en) |
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2019
- 2019-11-19 CN CN201921995034.3U patent/CN211442480U/en active Active
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 401122 No.1, huanghuan North Road, Jinshan Avenue, northern New District, Yubei District, Chongqing Patentee after: SAIC Hongyan Automobile Co.,Ltd. Address before: 401122 No.1, huanghuan North Road, Jinshan Avenue, northern New District, Yubei District, Chongqing Patentee before: SAIC-IVECO HONGYAN commercial Vehicle Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder |