CN216468094U - Split damping frame of semi-trailer transport vehicle - Google Patents
Split damping frame of semi-trailer transport vehicle Download PDFInfo
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- CN216468094U CN216468094U CN202123077164.9U CN202123077164U CN216468094U CN 216468094 U CN216468094 U CN 216468094U CN 202123077164 U CN202123077164 U CN 202123077164U CN 216468094 U CN216468094 U CN 216468094U
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- lower support
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Abstract
The utility model discloses a semi-mounted transport vechicle components of a whole that can function independently shock attenuation frame belongs to transportation vehicles technical field. The auxiliary side beam structure comprises a main frame, wherein two side surfaces of the main frame are fixedly connected with auxiliary side beams, and an ear plate and an upper support are fixed below the main frame; the plate spring is fixed on the axle through a bolt, the rear end of the plate spring is hinged on an ear plate below the main frame through a hinge shaft, and a lower support is fixed at the front end of the plate spring; and an air bag spring is arranged between the lower support and the upper support. The air bag spring damping structure is arranged between the plate spring and the axle, the vertical stress performance of the air bag spring is good, and the space occupation is small; the guide ring is arranged outside the air bag spring, and plays a role in guiding on one hand, and can limit the displacement of the air bag spring on the other hand, so that the safety performance is improved; the chassis adopts main frame and supplementary curb girder components of a whole that can function independently structure, improves the anti bending property of main frame, improves the damping effect, prolongs damping structure's life.
Description
Technical Field
The utility model relates to a transportation vehicles technical field specifically is a semi-mounted transport vechicle components of a whole that can function independently shock attenuation frame.
Background
With the development of the modern automobile industry, the smoothness of the vehicle is more and more emphasized, and the improvement of the smoothness of the vehicle reflects the improvement of the automobile technology. The Chinese patent discloses an oil gas suspension device (CN203920318U) for trailer/semitrailer, including leaf spring support, leaf spring, the leaf spring interlude passes through fixing device to be fixed on the axletree, and the one end package ear of leaf spring articulates on leaf spring support, and leaf spring support fixes on the frame, and the other end of leaf spring passes through the lower carriage to be connected through the ball pivot with the one end of hydro-pneumatic spring jar, and the other end of hydro-pneumatic spring jar passes through the ball pivot again and connects on the upper bracket, and the upper bracket is fixed on the frame.
The problems of the prior art are as follows:
the oil-gas suspension occupies a large space, wherein the damping cylinder is generally arranged obliquely to reduce the height of the whole damping device, and the mounting is inconvenient; in the prior art, the vehicle bottom plate is generally a flat plate, has poor stress performance, is easy to deform, and influences the normal vibration damping effect of the vibration damping structure after the structure deforms.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a semi-mounted transport vechicle components of a whole that can function independently shock attenuation frame.
The utility model discloses a following technical scheme realizes: a split damping frame of a semi-trailer transport vehicle comprises a main frame, wherein two side faces of the main frame are fixedly connected with auxiliary side beams, and an ear plate and an upper support are fixed below the main frame; the plate spring is fixed on the axle through a bolt, the rear end of the plate spring is hinged on an ear plate below the main frame through a hinge shaft, and a lower support is fixed at the front end of the plate spring; and an air bag spring is arranged between the lower support and the upper support.
It further comprises the following steps: the main frame is provided with a cross rod in a penetrating mode, and two ends of the cross rod are fixedly connected with the upper side face of the auxiliary side beam through bolts.
The auxiliary side member has a bent portion protruding downward.
The lower support is connected with the plate spring through a bolt and is cylindrical with an opening at the upper end; the air bag spring is installed in the lower support, the upper end of the air bag spring exceeds the lower support, and the upper end of the air bag spring is connected with the upper support.
The upper support is connected with the main frame through a bolt, and a guide ring is fixed on the lower side of the upper support; the guide ring and the lower support are coaxial, and the diameter of the guide ring is larger than that of the lower support.
Compared with the prior art, the beneficial effects of the utility model are that: an air bag spring damping structure is arranged between the plate spring and the axle, the air bag spring has good vertical stress performance, and the occupied space is small; the guide ring is arranged outside the air bag spring, and plays a role in guiding on one hand, and can limit the displacement of the air bag spring on the other hand, so that the safety performance is improved; the chassis adopts main frame and supplementary curb girder components of a whole that can function independently structure, improves the anti bending property of main frame through supplementary curb girder, guarantees that each damping structure atress is even, improves the damping effect, extension damping structure's life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. a main frame; 1-1, ear plates; 1-2, an upper support; 1-3, a guide ring; 2. an auxiliary side member; 2-1, a bending part; 3. a plate spring; 3-1, a lower support; 4. an axle; 5. hinging a shaft; 6. an air bag spring; 7. a cross bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figure 1, the split shock absorption frame of the semi-trailer transport vehicle comprises a main frame 1, two side faces of the main frame 1 are fixedly connected with auxiliary side beams 2, and lug plates 1-1 and upper supports 1-2 which are arranged in pairs are fixed below the main frame 1. Cross rods 7 penetrate through the main frame 1, the cross rods 7 are fixed with the main frame 1 through flange plates, and two ends of the cross rods 7 are fixedly connected with the upper side face of the auxiliary side beam 2 through bolts. The auxiliary side member 2 has a bent portion 2-1 projecting downward. The chassis adopts main frame and supplementary curb girder components of a whole that can function independently structure, improves the anti bending property of main frame through supplementary curb girder, guarantees that each damping structure atress is even, improves the damping effect, extension damping structure's life.
The plate spring 3 is fixed on the axle 4 through a bolt, and the rear end of the plate spring 3 is hinged on the lug plate 1-1 below the main frame 1 through a hinge shaft 5. The front end of the plate spring 3 is fixed with a lower support 3-1 through a bolt, and the lower support 3-1 is in a cylindrical shape with an open upper end. The air bag spring 6 is arranged in the lower support 3-1, the upper end of the air bag spring 6 exceeds the lower support 3-1, and the upper end of the air bag spring 6 is connected with the upper support 1-2. The upper support 1-2 is connected with the main frame 1 through bolts, a guide ring 1-3 is fixed on the lower side of the upper support 1-2, the guide ring 1-3 and the lower support 3-1 are coaxial, and the diameter of the guide ring 1-3 is larger than that of the lower support 3-1.
According to the embodiment, the air bag spring 6 vibration damping structure is arranged between the plate spring and the axle, the air bag spring 6 is good in vertical stress performance, and the occupied space is small. The guide rings 1-3 are arranged outside the air bag spring 6, and the guide rings 1-3 play a role in guiding on one hand and can limit the displacement of the air bag spring 6 on the other hand, so that the safety performance is improved.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a semitrailer transport vechicle components of a whole that can function independently shock attenuation frame which characterized in that: the auxiliary side beam structure comprises a main frame (1), wherein two side surfaces of the main frame (1) are fixedly connected with auxiliary side beams (2), and an ear plate (1-1) and an upper support (1-2) are fixed below the main frame (1); the plate spring (3) is fixed on the axle (4) through a bolt, the rear end of the plate spring (3) is hinged on an ear plate (1-1) below the main frame (1) through a hinge shaft (5), and the front end of the plate spring (3) is fixed with a lower support (3-1); an air bag spring (6) is arranged between the lower support (3-1) and the upper support (1-2).
2. The split shock-absorbing frame of the semi-trailer transport vehicle as set forth in claim 1, wherein: the main frame (1) is provided with a cross rod (7) in a penetrating mode, and two ends of the cross rod (7) are fixedly connected with the upper side face of the auxiliary side beam (2) through bolts.
3. The split shock-absorbing frame of the semi-trailer transport vehicle as set forth in claim 1, wherein: the auxiliary side member (2) has a bent portion (2-1) that protrudes downward.
4. The split shock-absorbing frame of the semi-trailer transport vehicle as claimed in claim 1, wherein: the lower support (3-1) is connected with the plate spring (3) through a bolt, and the lower support (3-1) is in a cylindrical shape with an open upper end; the air bag spring (6) is arranged in the lower support (3-1), the upper end of the air bag spring (6) exceeds the lower support (3-1), and the upper end of the air bag spring (6) is connected with the upper support (1-2).
5. The split shock-absorbing frame of the semi-trailer transport vehicle as claimed in claim 1, wherein: the upper support (1-2) is connected with the main frame (1) through a bolt, and a guide ring (1-3) is fixed on the lower side of the upper support (1-2); the guide ring (1-3) and the lower support (3-1) are coaxial, and the diameter of the guide ring (1-3) is larger than that of the lower support (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123077164.9U CN216468094U (en) | 2021-12-09 | 2021-12-09 | Split damping frame of semi-trailer transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123077164.9U CN216468094U (en) | 2021-12-09 | 2021-12-09 | Split damping frame of semi-trailer transport vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216468094U true CN216468094U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123077164.9U Active CN216468094U (en) | 2021-12-09 | 2021-12-09 | Split damping frame of semi-trailer transport vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216468094U (en) |
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2021
- 2021-12-09 CN CN202123077164.9U patent/CN216468094U/en active Active
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