CN217396143U - Air suspension system of semitrailer - Google Patents
Air suspension system of semitrailer Download PDFInfo
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- CN217396143U CN217396143U CN202123114475.8U CN202123114475U CN217396143U CN 217396143 U CN217396143 U CN 217396143U CN 202123114475 U CN202123114475 U CN 202123114475U CN 217396143 U CN217396143 U CN 217396143U
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Abstract
The utility model provides a semitrailer air suspension system, which comprises an air bag and a plurality of air bags; the air bag is provided with a pressure protection valve and a pipeline filter, the pipeline filter is communicated with an air supply main pipeline, one end of the air supply main pipeline is provided with an air supply tee joint, one outlet of the air supply tee joint is communicated with an air supply main pipeline, the other outlet of the air supply tee joint is communicated with an air supply branch pipeline, the air supply branch pipeline is provided with a height valve, and one end of the height valve is communicated with an air bag air supply pipeline; an air valve switch is arranged on the air supply main pipeline, and one end of the air valve switch is communicated with an air bag air supply pipeline; it is a plurality of all be provided with gasbag tee bend and connecting line on the gasbag, it is a plurality of the gasbag is established ties and is formed gasbag group, the one end of gasbag group with gasbag air supply line is linked together, and the other end and the gasbag air supplement pipeline of gasbag group communicate mutually. The air suspension system of the semitrailer can directly supply air to the inside of the air bag through the air valve switch to solve the problem of folding the air bag.
Description
Technical Field
The utility model relates to a semitrailer field, specific theory has related to a semitrailer air suspension.
Background
The air suspension has the advantages of stable operation, uniform load distribution, capability of bringing a good braking effect, low natural vibration frequency, adjustable rigidity, controllable damping, good noise reduction and vibration absorption capability, light weight and the like, and along with the gradual improvement of the technical requirements of China on the safety of vehicles, the air suspension has the requirements of a new specification GB 7258: air suspensions are required to be assembled on all dangerous cargo transportation semi-trailers and three-rail plate type and bin rail type semi-trailers, so that more and more semi-trailers are provided with air suspension systems.
The air suspension has the characteristics that no matter the vehicle is unloaded or heavily loaded, the bearing height of the semitrailer is always the same, the more the trailer is loaded, the larger the air pressure in the air bag is, and otherwise, the smaller the air pressure in the air bag is. Air suspension and semitrailer are flexonics, through the whole gas circuit system of altitude valve control, and the air suspension vehicle of air-load is hard brake when backing, because inertia vehicle upspring, the sudden grow of semitrailer bearing height, the gasbag is outwards carminative, because the vehicle whereabouts is very fast, can not in time inflate to the gasbag the inside, leads to the gasbag to fold. Due to structural limitation, the problem of folding of the air bag of the existing empty suspension vehicle is a common phenomenon and a difficult problem in the industry, when the air bag is folded, an operator needs to drill into the lower part of the vehicle to loosen the nut on the altitude valve connecting rod and lift the altitude valve connecting rod to repair the folded air bag, the operation environment is poor, labor and time are wasted, and when rain and snow occur, the operation is more troublesome. In order to solve the above problems, the patent application CN200480033994 discloses an air suspension device for a vehicle, which uses a manual switch instead of an electronic switch, but there is no relation between the manual switch and the electronic switch, and the problem that an air bag is folded is not solved.
In order to solve the above problems, people always seek an ideal technical solution.
SUMMERY OF THE UTILITY MODEL
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a semitrailer air suspension system comprises an air bag and a plurality of air bags;
the air bag is provided with a pressure protection valve and a pipeline filter, the pipeline filter is communicated with an air supply main pipeline, one end of the air supply main pipeline is provided with an air supply tee joint, one outlet of the air supply tee joint is communicated with an air supply main pipeline, the other outlet of the air supply tee joint is communicated with an air supply branch pipeline, the air supply branch pipeline is provided with a height valve, and one end of the height valve is communicated with an air bag air supply pipeline;
an air valve switch is arranged on the air supply main pipeline, and one end of the air valve switch is communicated with an air bag air supply pipeline;
it is a plurality of all be provided with the gasbag tee bend on the gasbag, it is a plurality of the intercommunication has connecting line between the gasbag tee bend, and is a plurality of the gasbag passes through the gasbag tee bend with connecting line establishes ties and sets up, forms gasbag group, the one end of gasbag group with gasbag air supply line is linked together, the other end of gasbag group with gasbag air supplement pipeline communicates mutually.
Based on the above, in order not to affect the normal operation of the original air suspension gas circuit system, the gas valve switch is a normally closed gas valve switch.
Based on the above, including six the gasbag, every three the gasbag passes through connecting line establishes ties and sets up, forms two that set up side by side gasbag group, the one end of tonifying qi main line is provided with the tonifying qi tee bend, the tonifying qi main line passes through the tonifying qi tee bend respectively with two gasbag group is linked together.
The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model provides a semitrailer air suspension system through increase a tee bend behind the pipeline filter, is connected with the altitude valve all the way, controls whole gas circuit system, and another way connects the air valve switch, and the air valve switch passes through the pipeline tee bend and directly establishes ties with the semitrailer gasbag. The air valve switch is in the complete closure state under the normal condition, can not influence former air suspension gas circuit system, when folding gasbag is restoreed to needs, directly opens the air valve switch, and during the air directly got into the gasbag, the inside atmospheric pressure increase of gasbag, gasbag folding phenomenon disappeared.
Therefore, the folding repair operation complex problem of solution gasbag that this system can be fine reduces driver intensity of labour, improves operation efficiency and gas circuit simple structure, with low costs, can directly solve the folding problem of gasbag to the inside air feed of gasbag through the pneumatic valve switch, does not influence whole air suspension gas circuit system after closing.
Drawings
Fig. 1 is a schematic view of the connection relationship of the air suspension system of the semitrailer provided by the utility model.
In the figure: 1. air bag; 2. a pressure protection valve; 3. a line filter; 4. a gas supply tee joint; 5. a main gas supply pipeline; 6. a main air supply pipeline; 7. an air valve switch; 8. a gas supply branch line; 9. a altitude valve; 10. an air bag first air supply line; 11. an air bag; 12. an air bag tee joint; 13. a gas supplementing tee joint; 14. a second gas supply line for the gas bag; 15. a first air supplement pipeline of the air bag; 16. a second air supplement pipeline of the air bag.
Detailed Description
The technical solution of the present invention is further described in detail through the following embodiments.
Example 1
The present embodiment provides a semitrailer air suspension system, as shown in fig. 1, comprising an air bag 1 and a plurality of air bags 11.
The air bag 1 is provided with a pressure protection valve 2 and a pipeline filter 3, the pipeline filter 3 is communicated with an air supply main pipeline 5, and one end of the air supply main pipeline 5 is provided with an air supply tee joint 4.
One outlet of the gas supply tee joint 4 is communicated with a gas supply main pipeline 6, the other outlet of the gas supply tee joint 4 is communicated with a gas supply branch pipeline 8, a height valve 9 is arranged on the gas supply branch pipeline 8, and one end of the height valve 9 is communicated with a gas bag gas supply pipeline.
An air valve switch 7 is arranged on the air supply main pipeline 6, and one end of the air valve switch 7 is communicated with an air bag air supply pipeline.
It is a plurality of all be provided with gasbag tee bend 12 on the gasbag 11, it is a plurality of the intercommunication has connecting line between the gasbag tee bend 12, it is a plurality of gasbag 11 passes through gasbag tee bend 12 with connecting line series connection sets up, forms gasbag group.
One end of the air bag group is communicated with the air bag air supply pipeline, and the other end of the air bag group is communicated with the air bag air supply pipeline.
In order not to influence the normal operation of the original air suspension gas circuit system, the gas valve switch 7 is a normally closed gas valve switch.
Specifically, in the present embodiment, six airbags 11 are included, and every three airbags 11 are arranged in series through the connecting pipeline to form two airbag groups arranged side by side. One end of the air supply main pipeline 6 is provided with an air supply tee joint 13, and the air supply main pipeline 6 is respectively communicated with the two air bag groups through the air supply tee joint 13.
For the sake of distinction, the balloon inflation line is divided into a balloon first inflation line 15 and a balloon second inflation line 16. Two ends of the air supply tee 13 are respectively communicated with a first air supply pipeline 15 of the air bag and a second air supply pipeline 16 of the air bag.
The air bag air supply pipeline is divided into an air bag first air supply pipeline 10 and an air bag second air supply pipeline 14; the first air supply pipeline 10 and the second air supply pipeline 14 of the air bag are respectively communicated with one air bag group.
Specifically, the semitrailer air suspension system provided by this embodiment has the following specific working process:
according to the semitrailer air suspension system, a tee joint is added behind a pipeline filter, one way of the tee joint is connected with a height valve to control the whole air path system, the other way of the air path system is connected with an air valve switch, and the air valve switch is directly connected in series with a semitrailer airbag through the pipeline tee joint. The air valve switch is in the complete closure state under the normal condition, can not influence former air suspension gas circuit system, when folding gasbag is restoreed to needs, directly opens air valve switch, and during the air directly got into the gasbag, the inside atmospheric pressure increase of gasbag, gasbag folding phenomenon disappeared.
Therefore, the folding repair operation complex problem of solution gasbag that this system can be fine reduces driver intensity of labour, improves operation efficiency and gas circuit simple structure, with low costs, can directly solve the folding problem of gasbag to the inside air feed of gasbag through the pneumatic valve switch, does not influence whole air suspension gas circuit system after closing.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (3)
1. The utility model provides a semitrailer air suspension system which characterized in that: comprises an air bag and a plurality of air bags;
the air bag is provided with a pressure protection valve and a pipeline filter, the pipeline filter is communicated with an air supply main pipeline, one end of the air supply main pipeline is provided with an air supply tee joint, one outlet of the air supply tee joint is communicated with an air supply main pipeline, the other outlet of the air supply tee joint is communicated with an air supply branch pipeline, the air supply branch pipeline is provided with a height valve, and one end of the height valve is communicated with an air bag air supply pipeline;
an air valve switch is arranged on the air supply main pipeline, and one end of the air valve switch is communicated with an air bag air supply pipeline;
it is a plurality of all be provided with the gasbag tee bend on the gasbag, it is a plurality of the intercommunication has connecting line between the gasbag tee bend, and is a plurality of the gasbag passes through the gasbag tee bend with connecting line establishes ties and sets up, forms gasbag group, the one end of gasbag group with gasbag air supply line is linked together, the other end of gasbag group with gasbag air supplement pipeline communicates mutually.
2. The semitrailer air suspension system of claim 1, wherein: the air valve switch is a normally closed air valve switch.
3. A semitrailer air suspension system according to claim 1 or 2, characterised in that: including six the gasbag, every three the gasbag passes through connecting line establishes ties and sets up, forms two that set up side by side the gasbag group, the one end of tonifying qi main line is provided with the tonifying qi tee bend, the tonifying qi main line passes through the tonifying qi tee bend respectively with two the gasbag group is linked together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123114475.8U CN217396143U (en) | 2021-12-13 | 2021-12-13 | Air suspension system of semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123114475.8U CN217396143U (en) | 2021-12-13 | 2021-12-13 | Air suspension system of semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217396143U true CN217396143U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123114475.8U Active CN217396143U (en) | 2021-12-13 | 2021-12-13 | Air suspension system of semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217396143U (en) |
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2021
- 2021-12-13 CN CN202123114475.8U patent/CN217396143U/en active Active
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