CN203864379U - Composite type air suspension - Google Patents
Composite type air suspension Download PDFInfo
- Publication number
- CN203864379U CN203864379U CN201420274323.5U CN201420274323U CN203864379U CN 203864379 U CN203864379 U CN 203864379U CN 201420274323 U CN201420274323 U CN 201420274323U CN 203864379 U CN203864379 U CN 203864379U
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- CN
- China
- Prior art keywords
- air
- fixedly connected
- vehicle frame
- breakaway
- electromagnetic valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000000725 suspension Substances 0.000 title claims abstract description 20
- 239000002131 composite material Substances 0.000 title abstract 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 241001101025 Lilaeopsis Species 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 6
- 241000826860 Trapezium Species 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Vehicle Body Suspensions (AREA)
Abstract
The utility model relates to a composite type air suspension. The composite type air suspension is characterized in that the bottom faces of two longitudinal beams at the front end of a frame are fixedly connected with air bags through upper air bag cover plate assemblies, the front ends of the longitudinal beams are trapezoidal, a lateral rod bracket frame end is fixedly connected to the inner side of one longitudinal beam at the front end of the frame, one end of a lateral rod is fixedly connected with the lateral rod bracket frame end, the rear end of each disconnected single-piece variable cross-section steel plate spring is of a straight disconnected structure, the rear ends of the disconnected single-piece variable cross-section steel plate springs are fixedly connected to the bottom portions of the air bags through lower air bag supports, an air circuit control system is composed of an electromagnetic valve, a pressure-limiting valve, an air delivery pipe and a pipeline assembly, an air source is provided by an air cylinder, an electromagnetic valve switch arranged in a cab is connected with the electromagnetic valve, the electromagnetic valve and the pressure-limiting valve are respectively fixed to the frame, an air outlet of the electromagnetic valve and an air inlet of the pressure-limiting valve are communicated through the air delivery pipe, and an air outlet of the pressure-limiting valve and air inlets of the air bags are communicated through the pipeline assembly. The composite type air suspension has the advantages of an existing composite type air suspension that the structure is simple, cost is low, and comfort is good, the structure is further optimized, and therefore the purposes that the structure and control are simple and reliable, light weight is achieved, and cost is low are achieved.
Description
Technical field
The utility model relates to a kind of Combined air suspension, belongs to the technical field of vehicle air suspension system structure design.
Background technology
At present, the development tendency on tractor truck chassis is: lightweight, low cost.Under such background, there is electronic control air suspension and Combined air suspension in domestic and international market, is mainly used on 4 × 2 and 6 × 4 tractor trucks.6 × 2 tractor truck great majority are arrangement forms of the two front axles of traditional steel spring coupling and rear driving axle, Leaf Spring Suspension System from great, cost is high, traveling comfort is poor.From the electronic control air suspension of external introduction, because complex structure, manufacture and maintenance cost are too high, demestic user cannot accept, not acclimatized in Chinese market.
Summary of the invention
The purpose of this utility model is to provide a kind of Combined air suspension, it has been inherited, and existing Combined air suspension frame structure is simple, cost is low, the good advantage of traveling comfort, further optimize structure, thus implementation structure and control simple and reliable, lightweight, target cheaply.
The technical solution of the utility model is achieved in that a kind of Combined air suspension, by breakaway-element monolithic variable-section steel sheet spring, spring front end bracket, vehicle frame, steel rope upper bracket, air bag upper cover plate assembly, air bag, air bag undersetting, reach, clevis bolt, pressing plate, bearing pin, steel rope assembly, lateral rod, air-path control system composition, it is characterized in that: two longeron bottom surfaces of vehicle frame front end are all fixedly connected with air bag by air bag upper cover plate assembly, longeron front end is trapezoidal, bracket for horizontal push rod vehicle frame end is fixedly connected on a longeron inner side of vehicle frame front end, lateral rod one end is fixedly connected with bracket for horizontal push rod vehicle frame end, the rear end of breakaway-element monolithic variable-section steel sheet spring is straight breakaway-element structure, the rear end of breakaway-element monolithic variable-section steel sheet spring is fixedly connected on air bag bottom by air bag undersetting, breakaway-element monolithic variable-section steel sheet spring front end is that trapezium structure is fixedly connected with vehicle frame by spring front end bracket, reach lateral arrangement is on two breakaway-element monolithic variable-section steel sheet springs, reach is connected spacing by clevis bolt with pressing plate, steel rope upper bracket is fixedly connected on the longeron of vehicle frame front end, bearing pin is fixedly connected with the steel rope assembly being connected on steel rope upper bracket and is connected with the breakaway-element monolithic variable-section steel sheet spring of vehicle frame below by bearing pin by grasswort formula leaf spring and breakaway-element monolithic variable-section steel sheet spring bottom surface, bracket for horizontal push rod carrying axle head is fixedly connected on the shell of reach, lateral rod connects respectively bracket for horizontal push rod vehicle frame end and bracket for horizontal push rod carrying axle head, air-path control system is made up of electromagnetic valve, limiting valve, gas piping, pipeline assembly, provide source of the gas by air receiver, be placed in the electromagnetic valve switch connected electromagnetic valve in operator's compartment, electromagnetic valve and limiting valve are separately fixed on vehicle frame, are communicated with electromagnetic valve air extractor duct with limiting valve admission port, be communicated with limiting valve air extractor duct and air bag admission port by pipeline assembly by gas piping.
Described breakaway-element monolithic variable-section steel sheet spring front end is for there being grasswort hole, and grasswort hole is embedded with bimetal liner.
Good effect of the present utility model is that it is simple and reliable for structure, has realized the lightweight of tractor truck chassis and object cheaply, and can reduce deadweight, improves load-carrying capacity; The anterior trapezium structure that adopts of leaf spring, manufacturing process is simple; The high life of each parts; Effectively reduce rigidity and the oscillation frequency of reach suspension, reduce the impact of road surface to vehicle body and goods, improve traveling comfort.Air-path control system adopts single switch independently to control, by the specified air pressure of electromagnetic valve and limiting valve control air bag, without height load sensing valve, simple and reliable.
Brief description of the drawings
Fig. 1 is constructional drawing of the present utility model.
Fig. 2 is sectional structure chart of the present utility model.
Fig. 3 is air-path control system arrangement plan of the present utility model.
Fig. 4 is lateral rod local structural graph of the present utility model.
Fig. 5 is breakaway-element monolithic variable-section steel sheet spring constructional drawing of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further: as Fig. 1, 2, 3, shown in 4, a kind of Combined air suspension, by breakaway-element monolithic variable-section steel sheet spring 1, spring front end bracket 2, vehicle frame 3, steel rope upper bracket 4, air bag upper cover plate assembly 5, air bag 6, air bag undersetting 7, reach 8, clevis bolt 9, pressing plate 10, bearing pin 11, steel rope assembly 12, lateral rod 13, air-path control system composition, it is characterized in that: two longeron 3-1 bottom surfaces of vehicle frame 3 front ends are all fixedly connected with air bag 6 by air bag upper cover plate assembly 5, longeron 3-1 front end is trapezoidal, bracket for horizontal push rod vehicle frame end 14 is fixedly connected on a longeron 3-1 inner side of vehicle frame 3 front ends, lateral rod 13 one end are fixedly connected with bracket for horizontal push rod vehicle frame end 14, the rear end of breakaway-element monolithic variable-section steel sheet spring 1 is straight breakaway-element structure, the rear end of breakaway-element monolithic variable-section steel sheet spring 1 is fixedly connected on air bag 6 bottoms by air bag undersetting 7, breakaway-element monolithic variable-section steel sheet spring 1 front end is that trapezium structure is fixedly connected with vehicle frame 3 by spring front end bracket 2, reach 8 lateral arrangement are on two breakaway-element monolithic variable-section steel sheet springs 1, reach 8 is connected spacing by clevis bolt 9 with pressing plate 10, steel rope upper bracket 4 is fixedly connected on the longeron 3-1 of vehicle frame 3 front ends, bearing pin 11 is fixedly connected with breakaway-element monolithic variable-section steel sheet spring 1 bottom surface the steel rope assembly 12 being connected on steel rope upper bracket 4 by grasswort formula leaf spring 1-2 and is connected with the breakaway-element monolithic variable-section steel sheet spring 1 of vehicle frame 3 belows by bearing pin 11, bracket for horizontal push rod carrying axle head 15 is fixedly connected on the shell of reach 8, lateral rod 13 connects respectively bracket for horizontal push rod vehicle frame end 14 and bracket for horizontal push rod carrying axle head 15, air-path control system is made up of electromagnetic valve 16, limiting valve 17, gas piping 18, pipeline assembly 19, provide source of the gas by air receiver, be placed in the electromagnetic valve switch connected electromagnetic valve 16 in operator's compartment, electromagnetic valve 16 and limiting valve 17 are separately fixed on vehicle frame 3, are communicated with electromagnetic valve 16 air extractor ducts with limiting valve 17 admission ports, be communicated with limiting valve 17 air extractor ducts and air bag 6 admission ports by pipeline assembly 19 by gas piping 18.
As shown in Figure 5, described breakaway-element monolithic variable-section steel sheet spring 1 front end is for there being grasswort hole 1-1, and grasswort hole 1-1 is embedded with bimetal liner 1-3.
As shown in Figure 3, electromagnetic valve 16, by the switch control in operator's compartment, is divided into two states of switch.At full load, switch need to cut out, electromagnetic valve 16 power-off, air tank to limiting valve 17 air feed, is filled with gas to air bag 6 by limiting valve 17 and pipeline assembly 19 by electromagnetic valve 16 and gas piping 18, reach bearing load, braking is simultaneously worked; When unloaded, switch need to be opened, and electromagnetic valve 16 is switched on, and electromagnetic valve is in exhaust condition, not bearing load of air bag 6, and reach is only by from focusing on ground surface.If laden stops engine off, electromagnetic valve 16 power-off, utilize the surplus of air receiver to inflate to air bag 6, ensure the stable gas pressure of air bag 6.If unloaded parking engine off, electromagnetic valve 16 power-off, utilize the surplus of air receiver to airbag aeration, and reach is lifted, and vehicle frame lifts simultaneously, can reduce like this adhesive ability of axle drive shaft, and the serious consequence of braking failure may occur; Empirical tests chassis light condition is parked in 12% and 20% the gradient, and reach air bag is full of gas, does not occur the problem that braking during standstill lost efficacy.Air suspension control system amount of parts is few, simple and reliable, with low cost.
As shown in Figure 5, breakaway-element monolithic variable-section steel sheet spring 1, adopts high-strength spring steel, reduces deadweight, improves load-carrying capacity; The anterior trapezium structure that adopts, manufacturing process is simple; Grasswort hole built-in high abrasion GT bimetal liner 1-3, improves service life; Steel rope lower bracket 1-2 adopts leaf spring grasswort form, together with it is fixed with breakaway-element monolithic variable-section steel sheet spring 1 use center bolt, reduces amount of parts; Rear portion is flat end breakaway-element, directly for air bag undersetting provides support, reduces cross-tie plate; Minimizing amount of parts, simple and reliable for structure, lightweight, requirement are cheaply fully demonstrated.
Claims (2)
1. a Combined air suspension, by breakaway-element monolithic variable-section steel sheet spring, spring front end bracket, vehicle frame, steel rope upper bracket, air bag upper cover plate assembly, air bag, air bag undersetting, reach, clevis bolt, pressing plate, bearing pin, steel rope assembly, lateral rod, air-path control system composition, it is characterized in that: two longeron bottom surfaces of vehicle frame front end are all fixedly connected with air bag by air bag upper cover plate assembly, longeron front end is trapezoidal, bracket for horizontal push rod vehicle frame end is fixedly connected on a longeron inner side of vehicle frame front end, lateral rod one end is fixedly connected with bracket for horizontal push rod vehicle frame end, the rear end of breakaway-element monolithic variable-section steel sheet spring is straight breakaway-element structure, the rear end of breakaway-element monolithic variable-section steel sheet spring is fixedly connected on air bag bottom by air bag undersetting, breakaway-element monolithic variable-section steel sheet spring front end is that trapezium structure is fixedly connected with vehicle frame by spring front end bracket, reach lateral arrangement is on two breakaway-element monolithic variable-section steel sheet springs, reach is connected spacing by clevis bolt with pressing plate, steel rope upper bracket is fixedly connected on the longeron of vehicle frame front end, bearing pin is fixedly connected with the steel rope assembly being connected on steel rope upper bracket and is connected with the breakaway-element monolithic variable-section steel sheet spring of vehicle frame below by bearing pin by grasswort formula leaf spring and breakaway-element monolithic variable-section steel sheet spring bottom surface, bracket for horizontal push rod carrying axle head is fixedly connected on the shell of reach, lateral rod connects respectively bracket for horizontal push rod vehicle frame end and bracket for horizontal push rod carrying axle head, air-path control system is made up of electromagnetic valve, limiting valve, gas piping, pipeline assembly, provide source of the gas by air receiver, be placed in the electromagnetic valve switch connected electromagnetic valve in operator's compartment, electromagnetic valve and limiting valve are separately fixed on vehicle frame, are communicated with electromagnetic valve air extractor duct with limiting valve admission port, be communicated with limiting valve air extractor duct and air bag admission port by pipeline assembly by gas piping.
2. according to a kind of Combined air suspension described in claim 1, it is characterized in that described breakaway-element monolithic variable-section steel sheet spring front end is for there being grasswort hole, grasswort hole is embedded with bimetal liner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274323.5U CN203864379U (en) | 2014-05-27 | 2014-05-27 | Composite type air suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274323.5U CN203864379U (en) | 2014-05-27 | 2014-05-27 | Composite type air suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203864379U true CN203864379U (en) | 2014-10-08 |
Family
ID=51645361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420274323.5U Expired - Lifetime CN203864379U (en) | 2014-05-27 | 2014-05-27 | Composite type air suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203864379U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394151A (en) * | 2016-09-23 | 2017-02-15 | 奇瑞汽车股份有限公司 | Composite air spring suspension device |
| CN108773249A (en) * | 2018-05-25 | 2018-11-09 | 北京汽车研究总院有限公司 | A kind of suspension trailing arm component, chassis and vehicle |
-
2014
- 2014-05-27 CN CN201420274323.5U patent/CN203864379U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394151A (en) * | 2016-09-23 | 2017-02-15 | 奇瑞汽车股份有限公司 | Composite air spring suspension device |
| CN106394151B (en) * | 2016-09-23 | 2019-01-01 | 奇瑞汽车股份有限公司 | A kind of combined air gas spring suspension device |
| CN108773249A (en) * | 2018-05-25 | 2018-11-09 | 北京汽车研究总院有限公司 | A kind of suspension trailing arm component, chassis and vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |