CN102069855A - Front suspension of truck cab - Google Patents
Front suspension of truck cab Download PDFInfo
- Publication number
- CN102069855A CN102069855A CN 201010617219 CN201010617219A CN102069855A CN 102069855 A CN102069855 A CN 102069855A CN 201010617219 CN201010617219 CN 201010617219 CN 201010617219 A CN201010617219 A CN 201010617219A CN 102069855 A CN102069855 A CN 102069855A
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- Prior art keywords
- trammel beam
- truck cab
- hinged
- damping
- upper bed
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Abstract
The invention provides front suspension of a truck cab and belongs to the technical field of machinery. The front suspension of the truck cab solves the problem of unobvious effect of damping singly by a damping component in the conventional front suspension of the truck cab. The front suspension of the truck cab comprises a rod-shaped balance rod, wherein the two ends of the balance rod are connected with a lower pedestal respectively; a damping mechanism connected with the bottom of the truck cab is arranged on the upper part of the lower pedestal; the damping mechanism comprises an upper pedestal and a U-shaped plate spring which are positioned on the upper part of the balance rod; the upper pedestal is hinged with one end of the plate spring; and a damping component is arranged between the other end of the plate spring and the balance rod. In the front suspension of the truck cab, the plate spring and the damping component are used for damping at the same time, so the damping performance is high.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of autotruck, particularly truck cab before suspend.
Background technology
Along with the development of China Transportation Industry, the traveling comfort of vehicle is required more and more higher, during high vehicle speeds, by the road surface by suspension be delivered to the vibration of operator's compartment and driving engine, driving system is delivered to the vibration on the operator's compartment.The operator's compartment of domestic main goods carrying vehicle product is most at present adopts with the suspension system of elastomeric material as hanging element, this structure is travelled under the condition of smooth-riding surface with the relatively lower speed of a motor vehicle for vehicle, and the vibration that is transferred on the operator's compartment has certain obstruct and mitigation.But when vehicle travels than under the condition with higher in the speed of a motor vehicle, or when a bit weaker travels down of pavement conditions, rubber mounting is damped vibration well just, structural vibration that produces in the operator's compartment and the structureborne noise that is caused by high-frequency vibration are bigger, thereby have lowered the traveling comfort of operator's compartment.Make driver and crew feel uncomfortable, travelling for a long time also is easy to generate fatigue.For this reason, use some entirely floating suspending apparatus at present on the vehicle, the vibration that its energy actv. lowers operator's compartment improves comfort of drivers and passengers, alleviates the degree of fatigue of long-duration driving, and the safety that can improve vehicle.
The suspension that suspends with reference to roadlice of autotruck is contained in and designs, but the problem that the operator's compartment that autotruck exists need overturn when maintenance, therefore, suspending before the autotruck also has its particularity, that is to say that the place of suspending of autotruck has articulated structure.For example, its publication number of Chinese patent C N101774402A provide " a kind of full-floating front suspension device of automobile ", it comprises torsion tube and is installed in left suspension device, the right suspension installation at torsion tube two ends respectively, left suspension device and right suspension installation comprise upper bracket, undersetting, shock absorber part and guide arm respectively, one end of upper bracket is hinged on the undersetting, and shock absorber part is arranged between the other end and undersetting of upper bracket.One end of guide arm is hinged on the undersetting, and the other end of guide arm is hinged on the upper bracket.Upper bracket is swung with respect to lower bracket around its hinged place when vibrations, passes through the shock absorber part absorbing vibration in the swing process.
As can be seen, above-mentioned patent is being to carry out damping by shock absorber part separately, and its damping effect is not obvious.Simultaneously, adopt spring, influence normal damping as shock absorber part its elasticity inefficacy of may failing after practical a period of time.
Suspend before existing other truck cab and also all exist similar problem.
Summary of the invention
The objective of the invention is the problems referred to above of existing at prior art, provide a kind of simple in structure, damping performance suspends before the good truck cab.
Purpose of the present invention can realize by following technical proposal: suspend before a kind of truck cab, comprise that is a shaft-like trammel beam, the trammel beam two ends all are connected with lower bottom base, described lower bottom base top has and is used for the damping that links to each other with automobile cab bottom, it is characterized in that, described damping is to be positioned at the upper bed-plate on trammel beam top and the leaf spring that takes the shape of the letter U, and an end of upper bed-plate and leaf spring is hinged, and has retractable shock absorber part between the other end of leaf spring and the trammel beam.
Automobile needs operator's compartment is removed in maintenance process, and the operator's compartment and the Vehicular body front of existing heavy wrecker truck are hinged, directly driver's cab turnover are got final product during maintenance.
The vibrations that vehicle produces in the process of moving absorb by damping, that is to say, operator's compartment can not shake under the damping effect in the vehicle traveling process.Particularly, by leaf spring and shock absorber part vibrations are absorbed in the running car vibrations process.
In suspending before above-mentioned truck cab, described shock absorber part is a damper, and the inner and the trammel beam of damper are hinged, and the outer end and the upper bed-plate of damper are hinged.
The structural energy consumption damping of basis energy with damper.That is to say, under the double action of leaf spring and damper, carry out damping.
In suspending before above-mentioned truck cab, described damper is a hydraulic damper.Hydraulic damper in-to-in medium is a hydraulic oil, and this damper damping is steady, the working stability height.
As another scheme, in suspending before above-mentioned truck cab, described shock absorber part is a spring, and the inner and the trammel beam of spring are hinged, and the outer end and the upper bed-plate of spring are hinged.
Behind the leaf spring stress deformation, spring is compressed.Obviously, carry out damping simultaneously by spring and leaf spring.
In suspending before above-mentioned truck cab, be provided with connecting rod between described upper bed-plate and the trammel beam, an end and the trammel beam of connecting rod are hinged, and the other end and the upper bed-plate of connecting rod are hinged.
Make upper bed-plate obtain supporting by connecting rod, can be out of shape damping when leaf spring leaf spring after the swing of its hinged place simultaneously.
In suspending before above-mentioned truck cab, the described connecting rod other end has tubular connecting portion, and the connecting portion sky is enclosed within the location structure that has on the above-mentioned trammel beam and on trammel beam the connecting portion axial restraint.
Obviously, make firm being hinged on the trammel beam of the other end of connecting rod by the socket mode.Simultaneously, can prevent that under the effect of location structure connecting rod from moving axially along trammel beam.
In suspending before above-mentioned truck cab, described location structure is the spacing preiection that protrudes on the trammel beam, and the quantity of spacing preiection is the both sides that two and distribution are positioned at connecting portion.
Spacing preiection is blocked in the two ends of connecting portion, has so just avoided connecting rod to move axially along trammel beam, thereby makes connecting rod to rotate with respect to trammel beam, and can't move axially along trammel beam.
In suspending before above-mentioned truck cab, described location structure is positioning groove recessed ringwise on the trammel beam and the position-limited lever of fixing with connecting portion, and position-limited lever is embedded in the above-mentioned positioning groove.
The position-limited lever that is fixed on the connecting portion embeds in the positioning groove simultaneously, by this structure connecting rod can only be rotated with respect to trammel beam, and can't move axially along trammel beam.
Compared with prior art, suspend before this truck cab and carry out damping by leaf spring and shock absorber part simultaneously, therefore, its damping performance height.Simultaneously, by connecting rod upper bed-plate is supported in this mechanism, make leaf spring can not bear bigger application force suddenly, therefore, its stability in use is also than higher.
In addition, this mechanism includes only leaf spring, connecting rod and shock absorber part, and therefore, its structure is also fairly simple.
Description of drawings
Fig. 1 is the perspective view that suspends before this truck cab.
Fig. 2 is the main TV structure scheme drawing that suspends before this truck cab.
Fig. 3 is the side-looking structural representation that suspends before this truck cab.
Fig. 4 is the connection structure scheme drawing at lower bottom base and trammel beam place in suspending before this truck cab.
Among the figure, 1, trammel beam; 2, lower bottom base; 3, upper bed-plate; 4, leaf spring; 5, connecting rod; 5a, connecting portion; 6, spacing preiection; 7, shock absorber part.
The specific embodiment
As depicted in figs. 1 and 2, suspending before this truck cab comprises that is a shaft-like trammel beam 1, and trammel beam 1 two ends all are connected with lower bottom base 2, and described each lower bottom base 2 top all have and are used for the damping that links to each other with automobile cab bottom.
As shown in Figure 3 and Figure 4, damping is to be positioned at the upper bed-plate 3 on trammel beam 1 top and the leaf spring 4 that takes the shape of the letter U, and upper bed-plate 3 is hinged with an end of leaf spring 4, has retractable shock absorber part 7 between the other end of leaf spring 4 and the trammel beam 1.
Be provided with connecting rod 5 between upper bed-plate 3 and the trammel beam 1, an end and the trammel beam 1 of connecting rod 5 are hinged, and the other end of connecting rod 5 and upper bed-plate 3 are hinged.In the present embodiment, connecting rod 5 other ends have tubular connecting portion 5a, connecting portion 5a sky is enclosed within on the above-mentioned trammel beam 1 and has location structure with connecting portion 5a axial restraint on trammel beam 1, location structure is the spacing preiection that protrudes on the trammel beam 1, and the quantity of spacing preiection is two and is distributed in the both sides of connecting portion 5a.Perhaps location structure adopts another, and promptly location structure is positioning groove recessed ringwise on the trammel beam 1 and the position-limited lever of fixing with connecting portion, and position-limited lever is embedded in the above-mentioned positioning groove.
The vibrations that produce in the autotruck driving process are passed to the damper place by leaf spring 4, absorbing vibration under the effect of leaf spring 4 and damper, and operator's compartment can not shake under the damping effect in the vehicle traveling process.
Claims (8)
1. suspend before a truck cab, comprise that is a shaft-like trammel beam (1), trammel beam (1) two ends all are connected with lower bottom base (2), described lower bottom base (2) top has and is used for the damping that links to each other with automobile cab bottom, it is characterized in that, described damping is for being positioned at the upper bed-plate (3) on trammel beam (1) top and the leaf spring (4) that takes the shape of the letter U, upper bed-plate (3) is hinged with an end of leaf spring (4), has retractable shock absorber part (7) between the other end of leaf spring (4) and the trammel beam (1).
2. suspend before the truck cab according to claim 1, it is characterized in that, described shock absorber part (7) is a damper, and the inner of damper and trammel beam (1) are hinged, and the outer end of damper and upper bed-plate (3) are hinged.
3. suspend before the truck cab according to claim 2, it is characterized in that, described damper is a hydraulic damper.
4. suspend before the truck cab according to claim 1, it is characterized in that, described shock absorber part (7) is a spring, and the inner of spring and trammel beam (1) are hinged, and the outer end of spring and upper bed-plate (3) are hinged.
5. according to suspending before claim 1 or 2 or the 3 or 4 described truck cabs, it is characterized in that, be provided with connecting rod (5) between described upper bed-plate (3) and the trammel beam (1), an end of connecting rod (5) and trammel beam (1) are hinged, and the other end of connecting rod (5) and upper bed-plate (3) are hinged.
6. suspend before the truck cab according to claim 5, it is characterized in that, described connecting rod (5) other end has tubular connecting portion (5a), and connecting portion (5a) sky is enclosed within above-mentioned trammel beam (1) and goes up and have a location structure with connecting portion (5a) axial restraint on trammel beam (1).
7. suspend before the truck cab according to claim 6, it is characterized in that, described location structure is that trammel beam (1) is gone up the spacing preiection (6) that protrudes, and the quantity of spacing preiection (6) is the both sides that two and distribution are positioned at connecting portion (5a).
8. suspend before the truck cab according to claim 6, it is characterized in that, described location structure be positioning groove recessed ringwise on the trammel beam (1) and with the fixing position-limited lever of connecting portion (5a), position-limited lever is embedded in the above-mentioned positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106172198A CN102069855B (en) | 2010-12-31 | 2010-12-31 | Front suspension of truck cab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106172198A CN102069855B (en) | 2010-12-31 | 2010-12-31 | Front suspension of truck cab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102069855A true CN102069855A (en) | 2011-05-25 |
| CN102069855B CN102069855B (en) | 2012-08-15 |
Family
ID=44028664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106172198A Expired - Fee Related CN102069855B (en) | 2010-12-31 | 2010-12-31 | Front suspension of truck cab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102069855B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6109381A (en) * | 1998-10-05 | 2000-08-29 | Applied Power Inc. | Crash restraining vehicle cab suspension unit and test method therefor |
| CN200977951Y (en) * | 2006-03-29 | 2007-11-21 | 东风汽车有限公司 | Full-floating front suspension device of cab |
| CN201042978Y (en) * | 2007-04-27 | 2008-04-02 | 张西航 | Steering room air spring vibration reduction suspending device |
| CN201354102Y (en) * | 2009-02-24 | 2009-12-02 | 安徽江淮汽车股份有限公司 | Air spring suspension device in cab of heavy-duty truck |
| CN202029920U (en) * | 2010-12-31 | 2011-11-09 | 玉环县强力件制造厂 | Front suspending of heavy truck cab |
-
2010
- 2010-12-31 CN CN2010106172198A patent/CN102069855B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6109381A (en) * | 1998-10-05 | 2000-08-29 | Applied Power Inc. | Crash restraining vehicle cab suspension unit and test method therefor |
| CN200977951Y (en) * | 2006-03-29 | 2007-11-21 | 东风汽车有限公司 | Full-floating front suspension device of cab |
| CN201042978Y (en) * | 2007-04-27 | 2008-04-02 | 张西航 | Steering room air spring vibration reduction suspending device |
| CN201354102Y (en) * | 2009-02-24 | 2009-12-02 | 安徽江淮汽车股份有限公司 | Air spring suspension device in cab of heavy-duty truck |
| CN202029920U (en) * | 2010-12-31 | 2011-11-09 | 玉环县强力件制造厂 | Front suspending of heavy truck cab |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102069855B (en) | 2012-08-15 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 317600 Zhejiang Yuhuan Yucheng Street Atoll Patentee after: Zhejiang jade Strong Machinery Co., Ltd. Address before: 317600 Taizhou City, Zhejiang Province, Yuhuan County Ring East Industrial Zone Patentee before: Yuhuan High-rate Part Manufacturing Factory |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 317600 Zhejiang Yuhuan Yucheng Street Atoll Patentee after: Zhejiang jade strong machinery Limited by Share Ltd Address before: 317600 Zhejiang Yuhuan Yucheng Street Atoll Patentee before: Zhejiang jade Strong Machinery Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20201231 |