CN109484346A - Truck tail anti-collision structure - Google Patents
Truck tail anti-collision structure Download PDFInfo
- Publication number
- CN109484346A CN109484346A CN201811239471.2A CN201811239471A CN109484346A CN 109484346 A CN109484346 A CN 109484346A CN 201811239471 A CN201811239471 A CN 201811239471A CN 109484346 A CN109484346 A CN 109484346A
- Authority
- CN
- China
- Prior art keywords
- energy
- absorption box
- collision
- level pipe
- connector
- Prior art date
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R19/22—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact containing mainly cellular material, e.g. solid foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/56—Fittings damping bouncing force in truck collisions, e.g. bumpers; Arrangements on high-riding vehicles, e.g. lorries, for preventing vehicles or objects from running thereunder
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Vibration Dampers (AREA)
Abstract
The present invention provides a kind of truck tail anti-collision structures, including automobile longitudinal girder, U-steel, energy-absorption box, anti-collision beam；The upper end of the U-steel connects the automobile longitudinal girder；The length of the anti-collision beam is arranged along vehicle width direction, and the energy-absorption box connects the side of the anti-collision beam；The steel type slot is provided with connector close to the energy-absorption box on one side, and the energy-absorption box is connected with an energy-absorption box connector, and the connector is detachably connected with energy-absorption box connector；The anti-collision beam is successively made of the first aluminium alloy plate, the first carbon fibre composite, foamed aluminium, the second carbon fibre composite 44, the second aluminium alloy plate along its thickness direction.Buffering energy-absorbing and the rapid and convenient dismounting of anti-collision beam can be realized using the technical program.
Description
Technical field
The present invention relates to automotive safety equipment technology field, in particular to a kind of truck tail anti-collision structures.
Background technique
With the development of economy, the increase of the volume of goods transported, Freight Transport have increasingly becomed irreplaceable means of transportation.Goods
The associated safety performance of vehicle has become the very important major issue of people.The back buffer beam of lorry is after one kind is used to guarantee
The important device of square vehicle crew's safety.Due to truck chassis height, railway carriage stiffness and strength are big, and car is lower, and car row
It is higher to sail speed, easily car is caused to pour under lorry when car rear-end lorry situation occurs, makes car fragility
Vehicle body and boxcar directly bump against, and easily damage to sedan-chair passenger, and therefore, lorry needs to install back buffer beam additional, with
Prevent rear-end collision from generating great bodily injury to personnel in front vehicle.However existing lorry back buffer beam strength and stiffness are very
Greatly, rear-end collision occurs hardly to deform, energy absorption is almost undertaken by front vehicle collision prevention girders.When a fault occurs,
For especially automobile in the state of high speed, existing collision prevention girders are difficult to effectively absorb collision bring impact energy, cause stringer and
Crew module bears a large amount of impact energys, threatens to occupant safety.Simultaneously because the presence of back buffer beam, charge of trucks cargo
Efficiency and the convenience of maintenance receive strong influence.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art described above, a kind of truck tail anti-collision structure is provided, it is real
The buffering energy-absorbing of existing anti-collision beam and rapid and convenient dismounting.
In order to solve the above-mentioned technical problems, the present invention provides a kind of truck tail anti-collision structures, including automobile longitudinal girder, slot
Fashioned iron, energy-absorption box, anti-collision beam；The upper end of the U-steel connects the automobile longitudinal girder；The length of the anti-collision beam is along vapour
Vehicle-width direction setting, the energy-absorption box connect the side of the anti-collision beam；The steel type slot is close to the one of the energy-absorption box
Face is provided with connector, and the energy-absorption box is connected with an energy-absorption box connector, and the connector and energy-absorption box connector are detachable
Connection；
The anti-collision beam along its thickness direction successively by the first aluminium alloy plate, the first carbon fibre composite, foamed aluminium,
Second carbon fibre composite 44, the second aluminium alloy plate composition.
In a preferred embodiment, between first aluminium alloy plate and the first carbon fibre composite, described first
Between carbon fibre composite and foamed aluminium, between the foamed aluminium and the second carbon fibre composite 44, second carbon fiber
It ties up hinged by epoxy resin between composite material 44 and the second aluminium alloy plate.
In a preferred embodiment, the connector is specially link slot, the length direction of the link slot with it is described
The length direction of steel type slot is parallel, and the width direction of the link slot is parallel with the thickness direction of the steel type slot.
In a preferred embodiment, the specific first taper level pipe different and hollow by radius and the of the energy-absorption box
Two capitate level pipes composition；The radius of the first taper level pipe is less than the second taper level pipe；The first taper level
Pipe is placed in the second taper level pipe and is nested with volute spring；First taper level pipe and the second taper level pipe
Bottom is all connected to the energy-absorption box connector.
In a preferred embodiment, the energy-absorption box connector is specially a connecting plate, the second taper level pipe
Bottom area be less than the connecting plate area；The connecting plate is located at the external edge of the bottom surface of the second taper level pipe
Steel type slot length direction is inserted into the link slot realization and is detachably connected.
In a preferred embodiment, the first taper level pipe and the second taper level pipe independently of each other hingedly with
On the connecting plate.
In a preferred embodiment；The length of the anti-collision beam is greater than the distance of the both sides rear-wheel of the lorry, small
In the width of lorry.
Compared to the prior art, technical solution of the present invention have it is following the utility model has the advantages that
1. having good safety and efficient energy absorption capacity.
Anti-collision beam proposed by the invention compensates for the weak link of traditional lorry rear anti-collision cross beam, i.e. car and goods
Vehicle is there is a situation where knocking into the back, so that the anti-collision beam of lorry not only prevents car from pouring under boxcar in this case
Effect, can also have good buffering energy-absorbing effect.It effectively avoids rear car energy-absorbing deficiency under high speed impact and leads
The harm to interior member caused.In addition anti-collision structure of the invention has efficient energy-absorbing effect.Anti-collision structure includes compound
Plate and energy-absorption box.Being used cooperatively for carbon fibre composite plate and aluminium alloy plate, enables to anti-collision beam to effectively improve it
Resistance to compression anti-bending strength can play buffering energy-absorbing function while resisting foreign impacts.The energy-absorbing of foamed aluminium is big, has excellent
Heat-proof quality, fire protecting performance and energy absorption performance are able to cooperate the outside plate that carbon fiber and aluminium are composed and play higher crashworthiness
Property.
As the different taper level pipe of two radiuses it is nested with spring made of energy-absorbing box device impact can be can be carried out
Classification absorbs, and the powerful impact acceleration that can generate collision is classified and reduces, while hierarchical structure is conducive to improve material
Utilization rate improves energy absorption capability, reaches ideal buffering effect, mitigates the impact that front vehicle member bears.
2. convenience with higher and lightweight feature.
Anti-collision structure proposed by the invention is mainly made of energy absorbing component and the dismounting structure division of part two.It is removable
Only there are three parts for part.Part is few and installation is simple.Entire anti-collision structure do not use it is any be bolted, connect with vehicle frame
In such a way that geometry is fixed, it can be convenient efficiently dismantle when needed, there is high convenience.Anti-collision structure material
Most material is the lightweighting materials such as aluminium and carbon fiber.Total consumptive material is few, and light weight, structure is simple, has good light
Quantification effect.
3. preparation is simple, stability is strong, at low cost.
Automobile knock into the back sexual behavior thus when, be mostly direct collision.It is the problems such as in view of craftsmanship and cost, of the invention
Anti-collision structure is constituted using the composite plate without radian.Composite plate is bonded by epoxy resin, does not need any secondary operation,
It is directly used as anti-collision beam.Anti-collision beam is hinged by epoxy resin with energy-absorption box, and connecting plate is directly connect with truck beam.It is anti-
Crossbeam is hit using carbon fiber board, aluminium alloy plate and foamed aluminium is sandwich is combined.Energy-absorption box uses aluminum alloy material, these materials
Corrosion resistance it is good, good in oxidation resistance, durability degree is high.The performance that this anticollision boom device can effectively be kept, effectively guarantees
The stability of collision prevention girders use process.The combination installation form of nested and mutually independent taper level pipe inside and outside simultaneously, so that
External level pipe has support left and right to intra-level pipe, ensure that the stability of the collision prevention girders entirety in knockout process.While by
In the simple type of attachment of anti-collision structure, easily realization modularized production effectively reduces production process and use process
Cost.
Detailed description of the invention
Fig. 1 is the concrete structure schematic diagram of anti-collision structure in the preferred embodiment of the present invention；
Fig. 2 is the concrete structure schematic diagram of anti-collision beam in anti-collision structure in the preferred embodiment of the present invention；
Fig. 3 is the concrete structure schematic diagram of energy-absorption box in anti-collision structure in the preferred embodiment of the present invention；
Fig. 4 is energy-absorption box and steel type slot connection relationship diagram in anti-collision structure in the preferred embodiment of the present invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
A kind of truck tail anti-collision structure, including automobile longitudinal girder 2, U-steel 1, energy-absorption box 3, anti-collision beam 4；The slot
The upper end of fashioned iron 1 connects the automobile longitudinal girder 2；The length of the anti-collision beam 4 is arranged along vehicle width direction, the energy-absorption box
The side of the 3 connection anti-collision beams 4；The U-steel 1 is provided with connector, the suction close to the energy-absorption box 3 on one side
Energy box 3 is connected with an energy-absorption box connector 5, and the connector is detachably connected with energy-absorption box connector 5；The anti-collision beam 4
It is successively compound by the first aluminium alloy plate 41, the first carbon fibre composite 42, foamed aluminium 43, the second carbon fiber along its thickness direction
Material 44, the second aluminium alloy plate 45 composition.Specifically, first aluminium alloy plate 41 and the first carbon fibre composite 42 it
Between, between first carbon fibre composite 42 and foamed aluminium 43, the foamed aluminium 43 and the second carbon fibre composite 44
Between, it is hinged by epoxy resin between second carbon fibre composite 44 and the second aluminium alloy plate 45.Specifically,
The energy-absorption box 3 is made of aluminum alloy material.Anti-collision beam 4 uses carbon fibre composite, aluminium alloy plate and foamed aluminium 43
It is sandwich to be combined.Energy-absorption box 3 uses aluminum alloy material, and the corrosion resistance of these materials is good, good in oxidation resistance, durability degree
It is high.The performance of this anticollision boom device, the stability of the collision prevention girders use process effectively guaranteed can effectively be kept.
Anti-collision beam 4 proposed by the invention compensates for the weak link of traditional lorry rear anti-collision cross beam 4, i.e., car with
Lorry is there is a situation where knocking into the back, so that the anti-collision beam 4 of lorry not only prevents car from pouring boxcar in this case
Beneath effect can also have good buffering energy-absorbing effect.It is insufficient effectively to avoid car energy-absorbing in rear under high speed impact
Caused by harm to interior member.In addition anti-collision structure of the invention has efficient energy-absorbing effect.Anti-collision structure includes
Composite plate and energy-absorption box 3.Being used cooperatively for carbon fibre composite plate and aluminium alloy plate, enables to anti-collision beam 4 effectively
Its resistance to compression anti-bending strength is improved, buffering energy-absorbing function can be played while resisting foreign impacts.The energy-absorbing of foamed aluminium 43 is big, tool
Have excellent heat-proof quality, fire protecting performance and energy absorption performance, be able to cooperate the outside plate that carbon fiber and aluminium are composed play compared with
High crash-worthiness.
Specifically, the energy-absorption box 3 is specifically by radius difference and hollow the first taper level pipe and the second capitate layer
Grade Guan Zucheng；The radius of the first taper level pipe is less than the second taper level pipe；The first taper level pipe is placed in institute
It states in the second taper level pipe and is nested with volute spring；The bottom of first taper level pipe and the second taper level pipe connects
It is connected to the energy-absorption box connector 5.As the different taper level pipe of two radiuses it is nested with spring made of 3 device energy of energy-absorption box
Enough to can be carried out classification absorption to impact, the powerful impact acceleration that can will collide generation is classified and reduces, while hierarchical structure
Be conducive to improve stock utilization, improve energy absorption capability, reach ideal buffering effect, mitigates front vehicle member and bear
Impact.
In order to improve the convenience of this anti-collision structure, the connector is specially link slot, the length side of the link slot
To parallel with the length direction of the U-steel 1, the thickness direction of the width direction of the link slot and the U-steel 1 is flat
Row.The energy-absorption box connector 5 is specially a connecting plate, and the bottom area of the second taper level pipe is less than the connecting plate
Area；The outside that the connecting plate is located at the bottom surface of the second taper level pipe is inserted into along 1 length direction of U-steel
The link slot realization is detachably connected.The first taper level pipe and the second taper level pipe pass through epoxy independently of each other
Resin is hingedly and on the connecting plate.Such constitutional detail is few and installation is simple.Entire anti-collision structure does not use any spiral shell
It tethers and connects, connect with vehicle frame in such a way that geometry is fixed, can be convenient efficiently dismantle when needed, have high
Convenience.Anti-collision structure materials most is the lightweighting materials such as aluminium and carbon fiber.Total consumptive material is few, light weight, structure
Simply, there is good light weight effect.
Specifically, the length of the anti-collision beam 4 is greater than the distance of the both sides rear-wheel of the lorry, less than the width of lorry
Degree.In the present embodiment, the width of the anti-collision beam 4 is 8 to 10cm, first carbon fibre composite 42, the second carbon
Fibrous composite 44, the first aluminium alloy plate 41 and 45 thickness of the second aluminium alloy plate are 2mm；Foamed aluminium 43 with a thickness of
30mm；And the maximum gauge of the first taper level pipe is 60mm, the maximum gauge of the second taper level pipe is 80mm.
Automobile knock into the back sexual behavior thus when, be mostly direct collision.It is the problems such as in view of craftsmanship and cost, of the invention
Anti-collision structure is constituted using the composite plate without radian.Composite plate is bonded by epoxy resin, does not need any secondary operation,
It is directly used as anti-collision beam 4.Anti-collision beam 4 is hinged by epoxy resin with energy-absorption box 3, and connecting plate directly connects with truck beam
It connects.Anti-collision beam 4 uses carbon fiber board, aluminium alloy plate and foamed aluminium 43 is sandwich is combined.Energy-absorption box 3 uses aluminium alloy material
The corrosion resistance of matter, these materials is good, good in oxidation resistance, and durability degree is high.The performance that this anticollision boom device can effectively be kept, has
The stability of the collision prevention girders use process of the guarantee of effect.The combination installation of nested and mutually independent taper level pipe inside and outside simultaneously
Form ensure that the stabilization of the collision prevention girders entirety in knockout process so that external level pipe has support left and right to intra-level pipe
Property.Simultaneously because the simple type of attachment of anti-collision structure, easily realization modularized production, effectively reduce production process and make
With the cost of process.
The foregoing is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited to this,
Anyone skilled in the art in the technical scope disclosed by the present invention, using this design carries out the present invention non-
Substantive change belongs to the behavior for invading the scope of the present invention.
Claims (8)
1. a kind of truck tail anti-collision structure, it is characterised in that including automobile longitudinal girder, U-steel, energy-absorption box, anti-collision beam；It is described
The upper end of U-steel connects the automobile longitudinal girder；The length of the anti-collision beam is arranged along vehicle width direction, the energy-absorption box
Connect the side of the anti-collision beam；The steel type slot is provided with connector, the energy-absorption box close to the energy-absorption box on one side
It is connected with an energy-absorption box connector, the connector is detachably connected with energy-absorption box connector；
The anti-collision beam is along its thickness direction successively by the first aluminium alloy plate, the first carbon fibre composite, foamed aluminium, second
Carbon fibre composite 44, the second aluminium alloy plate composition.
2. truck tail anti-collision structure according to claim 1, which is characterized in that first aluminium alloy plate and the first carbon
Between fibrous composite, between first carbon fibre composite and foamed aluminium, the foamed aluminium and the second carbon fiber it is multiple
It is hinged to pass through epoxy resin between condensation material 44, between second carbon fibre composite 44 and the second aluminium alloy plate.
3. truck tail anti-collision structure according to claim 1, which is characterized in that the connector is specially link slot,
The length direction of the link slot is parallel with the length direction of the steel type slot, the width direction of the link slot and the steel type
The thickness direction of slot is parallel.
4. truck tail anti-collision structure according to claim 3, which is characterized in that the energy-absorption box is specifically by radius difference
And hollow the first taper level pipe and the second capitate level pipe composition；The radius of the first taper level pipe is less than the second cone
Shape level pipe；The first taper level pipe is placed in the second taper level pipe and is nested with volute spring；First cone
The bottom of shape level pipe and the second taper level pipe is all connected to the energy-absorption box connector.
5. truck tail anti-collision structure according to claim 4, which is characterized in that the energy-absorption box connector is specially one
Connecting plate, the bottom area of the second taper level pipe are less than the area of the connecting plate；The connecting plate is located at described the
The outside of the bottom surface of two taper level pipes is inserted into the link slot realization along steel type slot length direction and is detachably connected.
6. truck tail anti-collision structure according to claim 4, which is characterized in that the first taper level pipe and second
Taper level pipe passes through epoxy resin hingedly and on the connecting plate independently of each other.
7. truck tail anti-collision structure according to claim 1, which is characterized in that the energy-absorption box uses aluminum alloy material
It is made.
8. truck tail anti-collision structure as claimed in any of claims 1 to 7；The length of the anti-collision beam is greater than
The distance of the both sides rear-wheel of the lorry, less than the width of lorry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811239471.2A CN109484346A (en) | 2018-10-23 | 2018-10-23 | Truck tail anti-collision structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811239471.2A CN109484346A (en) | 2018-10-23 | 2018-10-23 | Truck tail anti-collision structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109484346A true CN109484346A (en) | 2019-03-19 |
Family
ID=65692545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811239471.2A Pending CN109484346A (en) | 2018-10-23 | 2018-10-23 | Truck tail anti-collision structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109484346A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371062A (en) * | 2019-08-19 | 2019-10-25 | 河北创泰交通工程技术有限公司 | A kind of Efficient automobile crash energy absorption equipment |
| CN114274523A (en) * | 2021-12-15 | 2022-04-05 | 安徽江淮汽车集团股份有限公司 | Automobile anti-collision beam and preparation method thereof |
| CN114537308A (en) * | 2022-01-25 | 2022-05-27 | 靖江市钜顺精密轻合金成型科技有限公司 | High-precision die-casting aluminum casting for automobile manufacturing and die-casting die thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371062A (en) * | 2019-08-19 | 2019-10-25 | 河北创泰交通工程技术有限公司 | A kind of Efficient automobile crash energy absorption equipment |
| CN114274523A (en) * | 2021-12-15 | 2022-04-05 | 安徽江淮汽车集团股份有限公司 | Automobile anti-collision beam and preparation method thereof |
| CN114537308A (en) * | 2022-01-25 | 2022-05-27 | 靖江市钜顺精密轻合金成型科技有限公司 | High-precision die-casting aluminum casting for automobile manufacturing and die-casting die thereof |
| CN114537308B (en) * | 2022-01-25 | 2023-01-10 | 靖江市钜顺精密轻合金成型科技有限公司 | High-precision die-casting aluminum casting for automobile manufacturing and die-casting die thereof |
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Application publication date: 20190319 |
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