CN211106827U - Lightweight European semitrailer air suspension system - Google Patents
Lightweight European semitrailer air suspension system Download PDFInfo
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- CN211106827U CN211106827U CN201921951527.7U CN201921951527U CN211106827U CN 211106827 U CN211106827 U CN 211106827U CN 201921951527 U CN201921951527 U CN 201921951527U CN 211106827 U CN211106827 U CN 211106827U
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- guide arm
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- bracket
- shock absorber
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Abstract
The utility model belongs to the technical field of vehicle suspension, and discloses a lightweight European semitrailer air suspension system, which comprises a guide arm bracket assembly, a guide arm pin shaft, a guide arm assembly, a shock absorber, a U-shaped bolt, an axle upper bracket assembly, an axle lower bracket, a U-shaped bolt nut and a bearing airbag assembly, wherein the guide arm bracket assembly is fixedly connected to a vehicle frame, and the axle upper bracket assembly and the axle lower bracket are fixedly connected to an axle; the front end of the guide arm assembly is hinged with the guide arm bracket assembly through a rubber bushing and a guide arm pin shaft respectively, the middle part of the guide arm assembly is fixed on an axle in a matching way through a U-shaped bolt, an axle upper bracket and an axle lower bracket, and the rear end of the guide arm assembly is connected with the bottom of the air spring assembly; the utility model can effectively absorb the vibration generated when the vehicle runs, protect the transported articles, and is particularly suitable for dangerous chemical transportation and cold chain transportation vehicles; and the adopted topological optimization design method is lighter in weight.
Description
Technical Field
The utility model relates to a vehicle suspension technical field, concretely relates to lightweight european style semitrailer air suspension system.
Background
The steel plate spring balanced suspension is a common suspension form on a heavy truck, more than 90% of the suspension structures of the domestic existing semitrailer adopt series steel plate spring balanced suspensions, and the suspension structure mainly comprises parts such as a steel plate spring, a steel plate spring support, a connecting rod and a U-shaped bolt.
Application No. 201120345651.6 is a triple axle air spring leaf spring balanced suspension for car, includes: the suspension system comprises a first suspension, a second suspension and a third suspension, wherein the first suspension comprises a first steel plate spring and a first air spring; the second suspension comprises a second steel plate spring and a second air spring; the third suspension comprises a third steel plate spring and a third air spring; the automobile comprises a first drive axle, a second drive axle and a third drive axle; the suspension device also comprises a first steel plate spring support, a suspension middle support, a third steel plate spring support, a front suspension lever arm, a middle suspension lever arm, a rear suspension lever arm, a middle suspension thrust lever, a rear suspension thrust lever, a first suspension rear support and a second suspension rear support; the first end of the first leaf spring is connected with the bottom of the first leaf spring support through a pin shaft, and the second end of the first leaf spring is connected with the bottom of the first air spring through a bolt, so that the first leaf spring support and the first air spring are supported on the first leaf spring; the first end of the second steel plate spring is connected with the bottom of the middle support of the suspension through a pin shaft, and the second end of the second steel plate spring is connected with the bottom of the second air spring through a bolt, so that the middle support of the suspension and the second air spring are supported on the second steel plate spring; the first end of the third leaf spring is connected with the bottom of the third leaf spring support through a pin shaft, and the second end of the third leaf spring is connected with the bottom of the third air spring through a bolt, so that the third leaf spring support and the third air spring are supported on the third leaf spring; the first steel plate spring support, the suspension middle support, the third steel plate spring support, the first suspension rear support and the second suspension rear support are respectively connected with the frame through bolts; the first end of the front suspension lever arm is connected with the top of a first air spring through a bolt or a pin shaft, the middle of the front suspension lever arm is connected with the upper part of the suspension middle support through a bolt or a pin shaft, the second end of the front suspension lever arm is connected with the first end of the middle suspension thrust lever through a bolt or a pin shaft, the second end of the middle suspension thrust lever is provided with a first combination hole and a second combination hole, the second combination hole and the first combination hole are spaced at a certain interval and are positioned outside the first combination hole, the first combination hole is connected with the first end of the middle suspension lever arm through a bolt or a pin shaft, the second combination hole is connected with the first end of the rear suspension thrust lever through a bolt or a pin shaft, the middle of the middle suspension lever arm is connected with the first rear suspension support through a bolt or a pin shaft, and the second end of the middle suspension lever arm is connected with the top of a second air spring through a bolt or a pin shaft, the second end of the rear suspension thrust lever is connected with the first end of the rear suspension lever arm through a bolt or a pin shaft, the middle of the rear suspension lever arm is connected with the rear support of the second suspension through a bolt or a pin shaft, and the second end of the rear suspension lever arm is connected with the top of the third air spring through a bolt or a pin shaft.
The aforesaid patent application has only solved the trafficability characteristic of semitrailer and suspension system's ground connection performance, still does not solve suspension system's ride comfort, reduces the vibrations that produce when the vehicle traveles, promotes the travelling comfort and the operating stability of whole car. Secondly, the problem that the existing semitrailer suspension system is heavy in weight and cannot adapt to the development of the lightweight semitrailer is not solved.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a lightweight european style semitrailer air suspension system.
For solving the technical problem, reach above-mentioned purpose, the utility model discloses the technical scheme who adopts is:
a light European semitrailer air suspension system is characterized by comprising a guide arm bracket assembly 2, a guide arm pin shaft 3, a guide arm protection plate 4, a guide arm assembly 5, a shock absorber 6, a U-shaped bolt 7, a guide arm upper cover plate 8, a shock absorber lower pin shaft 9, an axle upper bracket assembly 10, an axle lower bracket 11, a U-shaped bolt nut 12, a shock absorber upper pin shaft 14 and an air spring assembly 15;
the guide arm bracket assembly is fixedly connected to the vehicle frame, and the vehicle axle upper bracket assembly and the vehicle axle lower bracket are fixedly connected to the vehicle axle;
the front end of the guide arm assembly is hinged with the guide arm bracket assembly 2 through a rubber bushing and a guide arm pin shaft, the middle part of the guide arm assembly is fixed on an axle in a matching way through a U-shaped bolt, an axle upper bracket and an axle lower bracket, and the rear end of the guide arm assembly is connected with the bottom of the air spring assembly;
the upper end of the shock absorber 6 is hinged to the guide arm bracket assembly 2 through a shock absorber upper pin shaft 14, the lower end of the shock absorber is hinged to an axle upper bracket assembly 10 through a shock absorber upper pin shaft 9, and the shock absorber is inclined relative to the frame and the trailer axle assembly;
the bottom of the air spring assembly is connected with the rear end of the guide arm assembly, and the upper end of the air spring assembly is connected to the frame.
Furthermore, in the present invention, a positioning hole is formed in the middle of the guide arm assembly.
Furthermore, the utility model discloses in, processing has the locating pin on the axle upper bracket, the guiding arm assembly is through locating pin and locating hole cooperation location installation.
The guide arm protection plate is positioned below the guide arm assembly, the lower plane of the guide arm protection plate is in positioning fit with the axle upper bracket through the positioning pin, and the upper plane of the guide arm protection plate is positioned through the guide arm upper cover plate 8.
The utility model discloses a theory of operation does:
when the vehicle normally runs, impact force generated by uneven road surface is firstly transmitted to the left and right guide arm assemblies through the wheels and the axle assemblies, at the moment, the left and right guide arm assemblies drive the left and right air bag assemblies, the left and right shock absorbers and the left and right guide arm assemblies to rotate through rubber bushings, the left and right air bag assemblies and the left and right shock absorbers are compressed and stretched, the impact force from the road surface is attenuated and then transmitted to the vehicle frame, and therefore driving smoothness and cargo safety are guaranteed.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model can effectively absorb the vibration generated when the vehicle runs, protect the transported articles, and is particularly suitable for dangerous chemical transportation and cold chain transportation vehicles;
secondly, the utility model discloses a topology optimization design method makes it lighter 15kg than the air suspension unipolar of the same kind.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the axle upper bracket assembly;
the reference signs are: the automobile axle protection device comprises a frame 1, a guide arm support assembly 2, a guide arm pin shaft 3, a guide arm protection plate 4, a guide arm assembly 5, a shock absorber 6, a U-shaped bolt 7, a guide arm upper cover plate 8, a shock absorber lower pin shaft 9, an axle upper bracket assembly 10, an axle lower bracket assembly 11, a U-shaped bolt nut 12, an axle 13, a shock absorber upper pin shaft 15, a bearing air bag assembly 10a, an axle upper bracket 10b and a positioning pin.
Detailed Description
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by a person skilled in the art without creative labor all belong to the protection scope of the present invention.
Referring to fig. 1-3, a light-weight european semitrailer air suspension system comprises a guide arm bracket assembly 2 fixedly connected with a vehicle frame, a guide arm assembly 5, an axle upper bracket assembly 10 and an axle lower bracket assembly 11 fixedly connected with an axle, a shock absorber 6 hinged with the axle upper bracket and the axle lower bracket, and a bearing air bag assembly connected with the rear end of the guide arm assembly. Welding a guide arm bracket assembly 2 on a frame 1 in advance, welding an axle upper bracket assembly 10 and an axle lower bracket 11 on an axle 13, placing a middle positioning hole of a guide arm assembly 5 at a positioning pin of the axle upper bracket assembly 10, and connecting the positioning pin with four U-shaped bolt nuts 12 through U-shaped bolts 7; the front end of the guide arm assembly 5 is connected to the guide arm bracket assembly 2 through a rubber bushing and a guide arm pin shaft 3; the shock absorber 6 is mounted in an inclined manner relative to the vehicle frame and axle assembly 13, the upper end of the shock absorber is connected to the guide arm bracket assembly 2 by means of a shock absorber upper pin 14, the lower end of the shock absorber is connected to the axle upper bracket assembly 10 by means of a shock absorber lower pin 9, the bottom of the air spring assembly 15 is respectively connected to the rear end of the guide arm assembly 5, and the upper end is connected to the vehicle frame 1.
The locating pin 10b is located on the axle upper bracket 10a, and the locating pin 10b is in interference fit with the axle upper bracket 10 a. The guide arm assembly is matched and positioned with the positioning hole through the positioning pin, and the guide arm protection plate is in positioning fit with the axle upper bracket through the positioning pin. The U-shaped bolt and the nut sequentially connect the axle upper bracket, the guide arm protection sheet, the axle lower bracket and the like.
The utility model discloses in, the rubber bush in leading arm assembly from the area mainly plays the effect of revolute pair, uses it to rotate as the centre of a circle when letting the bridge beat from top to bottom, and can bear partly deformation under operating mode such as heeling, makes suspension system reliability and ride comfort higher.
The utility model discloses a lightweight european style semitrailer air suspension system, control bilateral symmetry, consequently related most device all includes about two parts.
Claims (4)
1. A light European semitrailer air suspension system is characterized by comprising a guide arm support assembly (2), a guide arm pin shaft (3), a guide arm protection plate (4), a guide arm assembly (5), a shock absorber (6), a U-shaped bolt (7), a guide arm upper cover plate (8), a shock absorber lower pin shaft (9), an axle upper bracket assembly (10), an axle lower bracket (11), a U-shaped bolt nut (12), a shock absorber upper pin shaft (14) and an air spring assembly (15);
the guide arm bracket assembly is fixedly connected to the vehicle frame, and the vehicle axle upper bracket assembly and the vehicle axle lower bracket are fixedly connected to the vehicle axle;
the front end of the guide arm assembly is hinged with the guide arm bracket assembly through a rubber bushing and a guide arm pin shaft respectively, the middle part of the guide arm assembly is fixed on an axle in a matching way through a U-shaped bolt, an axle upper bracket and an axle lower bracket, and the rear end of the guide arm assembly is connected with the bottom of the air spring assembly;
the upper end of the shock absorber (6) is hinged to the guide arm support assembly (2) through a shock absorber upper pin shaft (14), the lower end of the shock absorber is hinged to an axle upper bracket assembly (10) through a shock absorber lower pin shaft (9), and the shock absorber is inclined relative to the frame and the trailer axle assembly;
the bottom of the air spring assembly is connected with the rear end of the guide arm assembly, and the upper end of the air spring assembly is connected to the frame.
2. The air suspension system of a light-weight European semitrailer of claim 1, wherein a locating hole is formed in the middle of the guide arm assembly.
3. The air suspension system of a light-weight European-type semitrailer according to claim 1, characterized in that a positioning pin is machined on the axle upper bracket, and the guide arm assembly is matched with the positioning hole through the positioning pin and is positioned and installed.
4. The air suspension system of a light-weight European semitrailer of claim 1, wherein the guide arm protection plate is positioned below the guide arm assembly, the lower plane of the guide arm protection plate is in positioning fit with the axle upper bracket through a positioning pin, and the upper plane of the guide arm protection plate is positioned through the guide arm upper cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921951527.7U CN211106827U (en) | 2019-11-13 | 2019-11-13 | Lightweight European semitrailer air suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921951527.7U CN211106827U (en) | 2019-11-13 | 2019-11-13 | Lightweight European semitrailer air suspension system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211106827U true CN211106827U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921951527.7U Active CN211106827U (en) | 2019-11-13 | 2019-11-13 | Lightweight European semitrailer air suspension system |
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| CN (1) | CN211106827U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112937239A (en) * | 2021-04-08 | 2021-06-11 | 广州市华劲机械制造有限公司 | 12T European style air suspension |
-
2019
- 2019-11-13 CN CN201921951527.7U patent/CN211106827U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112937239A (en) * | 2021-04-08 | 2021-06-11 | 广州市华劲机械制造有限公司 | 12T European style air suspension |
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