CN107472363A - A kind of semitrailer crossbeam - Google Patents
A kind of semitrailer crossbeam Download PDFInfo
- Publication number
- CN107472363A CN107472363A CN201710760657.1A CN201710760657A CN107472363A CN 107472363 A CN107472363 A CN 107472363A CN 201710760657 A CN201710760657 A CN 201710760657A CN 107472363 A CN107472363 A CN 107472363A
- Authority
- CN
- China
- Prior art keywords
- trisection
- crossbeam
- tail
- web
- connecting portion
- 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.)
- Granted
Links
- 238000005452 bending Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 description 9
- 208000037656 Respiratory Sounds Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/18—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17
- B62D21/20—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17 trailer type, i.e. a frame specifically constructed for use in a non-powered vehicle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
The invention discloses a kind of semitrailer crossbeam, including two wing plates be arrangeding in parallel up and down and the web between two wing plates, web, its thickness is 3.5mm, first connecting portion, folding part and tail connecting portion are longitudinally divided into along crossbeam, the mounting hole of installation crossbeam is equidistantly provided with the web；Folding part, its longitudinal length are L2, it is L by length1Steel plate bending form, including the first trisection of the first connecting portion of connection, the tail trisection and the middle trisection of the first trisection of connection and tail trisection that connect tail connecting portion, wherein L2/L1=0.9526；Middle trisection, a meander line structure is connected and composed by multiple bend units head and the tail, two neighboring bend unit formed V-shaped and between angle in obtuse angle, head and the tail line of the middle trisection along folding part is staggered in mirror image.The crossbeam reduces crossbeam own wt on the premise of big beam strength is ensured, improves pay load, while improving the ability of the anti-left and right distortion of crossbeam.
Description
Technical field
The present invention relates to technical field of vehicle manufacture, more particularly to a kind of semitrailer crossbeam.
Background technology
Semitrailer has occupied main status in China's transport service at present, and the performance quality of semitrailer crossbeam is related to semi-mounted
The quality of car performance.Due to the standardization of carrier, the execution that 55 tons of highway in China normal loading, i.e., main car drawing head and half
Trailer gross mass sum is less than or equal to 55 tons, and the wherein maximum mounted mass of semitrailer is no more than 35 tons.So it is more to want dress
Goods, only on the premise of vehicle performance is ensured, mitigate vehicle dead weight.
Big beam parts of traditional semitrailer crossbeam including web are all planar structure, and some producers are mitigation crossbeam
Weight, to the web of grider carry out circular hole punching press, thus while alleviating crossbeam weight, can not but ensure that the carrying of crossbeam is strong
Degree, reduces the service life of crossbeam, and then also result in serious potential safety hazard.And if merely reduced to mitigate weight
Web materials thickness, intensity will reduce, and can equally influence the quality of crossbeam or even whole semitrailer.
Moreover, traditional crossbeam structure generally only emphasizes its bearing capacity, and structure be generally it is I-shaped or semi-shaped
Structure.But when semitrailer load-carrying is larger, particularly for vehicle traveling when in turning or uneven road surface, crossbeam can receive side
Effect to power and torsion bending force, so as to cause the crackle of each weak spot of crossbeam or fracture, reduces the service life of crossbeam, very
To being likely to result in very serious safety consequences.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of reduction crossbeam itself on the premise of big beam strength is ensured
Weight, pay load is improved, while improving a kind of semitrailer crossbeam of the anti-left and right distortional ability of crossbeam.
In order to solve the above technical problems, the technical solution used in the present invention is：
A kind of semitrailer crossbeam, its cross section are in I-shaped, including two wing plates be arrangeding in parallel up and down and are located at
Web between two wing plates, it is characterised in that：Web, its thickness are 3.5mm, be longitudinally divided into along crossbeam first connecting portion,
Folding part and tail connecting portion, the mounting hole of installation crossbeam is equidistantly provided with the web；Folding part, its longitudinal length are L2,
It is L by length1Steel plate bending form, including the first trisection of the first connecting portion of connection, connect tail connecting portion tail trisection and company
The middle trisection of adaper trisection and tail trisection, the L2/L1=0.9526；Middle trisection, one is connected and composed by multiple bend units head and the tail
Meander line structure, two neighboring bend unit formed V-shaped and between angle in obtuse angle, head and the tail of the middle trisection along folding part
Line is staggered in mirror image.
Further technical scheme is：The longitudinal length ratio of the first connecting portion, folding part and tail connecting portion be 11~
12:19~20:1.
Further technical scheme is：The middle trisection, its longitudinal length are L4, it is L by length3Steel plate bending structure
Into the L3/L1=0.967, L4/L3=0.952.
Further technical scheme is：Angle between two bend units is 144 °, the length of the bend unit
For 200mm.
It is using beneficial effect caused by above-mentioned technical proposal：
1) web materials thickness is reduced, and by the way that one section of planar design of web into meander line structure, is increased
The use material length of this section of web, it is overall to combine the own wt for reducing crossbeam, so as to improve the pay load of semitrailer；
2) web contacts with upper lower wing plate from former straightway is changed into multi-line section and contacts, and disperses stress, web is overall
Widen, improve web to upper lower wing plate support strength；
3) mounting hole for being used to install crossbeam on web folding part is located at inclined bend unit, with being somebody's turn to do after crossbeam installation
It is larger to locate the contact area of web, improves the bonding strength of part junction；
4) the two point supporting construction of web, the torsional forces of crossbeam is enhanced, improves the ability of anti-left and right distortion, effectively keep away
Exempted from crackle or the fracture of each weak spot of crossbeam, improved the service life of crossbeam, ensure that human pilot personal safety and
Property safety.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the left view structural representation of the present invention；
Fig. 2 is the main structure diagram of the present invention；
Fig. 3 is the structural representation of A-A in Fig. 2.
Embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other implementation that those skilled in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
It is different from other manner described here using other to implement, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As shown in FIG. 1 to 3, a kind of semitrailer crossbeam, its cross section are in I-shaped, including two to be arranged in parallel up and down
Individual wing plate 20 and the web 10 between two wing plates 20；Web 10, its thickness are 3.5mm, are longitudinally divided successively along crossbeam
Headed by connecting portion 1, folding part 2 and tail connecting portion 3, the mounting hole 4 of installation crossbeam is equidistantly provided with the web 10；Folding part
2, its longitudinal length is L2, it is L by length1Steel plate bending form, including the first trisection 21 of the first connecting portion 1 of connection, connection tail connect
The tail trisection 23 and the middle trisection 22 of the first trisection 21 of connection and tail trisection 23 of socket part 3, the L2/L1=0.9526；Middle trisection
22, connect and compose a meander line structure by multiple bend units head and the tail, two neighboring bend unit formed V-shaped and between angle
In obtuse angle, head and the tail line of the middle trisection 22 along folding part 2 is staggered in mirror image.
Wherein, the longitudinal length ratio of first connecting portion 1, folding part 2 and tail connecting portion 3 is 11~12:19~20:1.With crossbeam
Exemplified by overall length 12984mm, the longitudinal length of first connecting portion 1, folding part 2 and tail connecting portion 3 be respectively 4697mm, 7882mm and
405mm, i.e. L2=7882mm, according to L2/L1=0.9526, then L1=8274mm, web of grider materials length are more conventional to reducing
Add 392mm, according to the volume (a height of 432mm of web) and density of material (steel plate ρ=7.85g/cm of web 103) available, its
Crossbeam weight is compared with the web of conventional 5mm thickness, and weight is maximum to reduce 61.4kg, and two crossbeams then make semitrailer itself loss of weight
122.8kg。
In terms of crossbeam overall length 12984mm, when its thickness is 5mm, for crossbeam under conditions of the 10t and 15t that overloads, maximum should
Power and maximum deformation quantity see the table below.
In terms of crossbeam overall length 12984mm, when its thickness is 3.5mm, bending shape is identical, only works as L2/L1Take different value.
Work as L2/L1When=1, i.e., it is 3.5mm that web 10, which reduces its thickness, does not change its structure (for planar structure), in such case
Under, the intensity of crossbeam is easily damaged well below conventional crossbeam use intensity；Work as L2/L1>When 0.9526, web 10, which exists, to be folded
Structure, but due to the materials length L of folding part 21It is shorter, cause bending degree smaller, the intensity of crossbeam is still below routine greatly
Beam use intensity.Work as L2/L1<When 0.9526, there is foldable structure, and the materials length L of folding part 2 in web 101It is longer, make
It is larger into bending degree, but little to the intensity effect difference of crossbeam and a large amount of weight saving unobvious.
To sum up, The present invention reduces the materials thickness of web 10, and by by one section of planar design of web 10 into
Meander line structure, the use material length of this section of web 10 is increased, but overall combination reduces the own wt of crossbeam, so as to improve half
The pay load of trailer, works as L2/L1, can be on the premise of crossbeam use intensity be met when=0.9526, maximum reduction crossbeam
Weight；Web 10 contacts with upper lower wing plate from former straightway to be changed into multi-line section and contacts, and disperses stress, web integrally adds
Width, web is improved to upper lower wing plate support strength；The mounting hole 4 for being used to install crossbeam on web folding part 2 is located at inclined
It is larger with the contact area of web at this after crossbeam installation in bend unit, improve the bonding strength of part junction；Web
Two point supporting construction, enhance the torsional forces of crossbeam, improve the ability of anti-left and right distortion, effectively prevent each weakness of crossbeam
The crackle of point or fracture, improve the service life of crossbeam, ensure that personal safety and the property safety of human pilot.
Further, middle trisection 22, its longitudinal length are L4, it is L by length3Steel plate bending form, the L3/L1=
0.967, L4/L3=0.952.
In terms of crossbeam overall length 12984mm, L is taken2/L1=0.9526, L3/L1=0.967, then folding part 2 be by length
8274mm(L1) steel plate bending form, then middle trisection 22 is 8000mm (L by length3) steel plate bending form longitudinal length be
7616mm(L4) meander line structure.Wherein, the length of middle trisection 22 is bigger, then the length of first linkage section 21 and tail linkage section 23 is got over
Small, the position for playing strength support and anti-left and right distortion be middle trisection 22, first linkage section 21 and tail linkage section 23 be play by
Middle trisection 22 and first connecting portion 1 and the coaxially connected effect of tail connecting portion 3, make head and the tail line of the middle trisection 22 along folding part 2 be in
Mirror image is staggered.So in folding part 2, the length of middle trisection 22 is bigger, and the service life of crossbeam is longer.
Also, the angle between two bend units is 144 °, the length of the bend unit is 200mm, crossbeam it is strong
Degree and the anti-ability that bends right and left are stronger.
It the above is only presently preferred embodiments of the present invention, anyone makes a little according to present disclosure to the present invention
Simple modification, deformation and equivalent substitution each fall within protection scope of the present invention.
Claims (4)
1. a kind of semitrailer crossbeam, its cross section is in I-shaped, including two wing plates be arrangeding in parallel up and down and located at two
Web between individual wing plate, it is characterised in that：
Web, its thickness are 3.5mm, are longitudinally divided into first connecting portion, folding part and tail connecting portion along crossbeam, on the web
Equidistantly it is provided with the mounting hole of installation crossbeam；
Folding part, its longitudinal length are L2, it is L by length1Steel plate bending form, including the first trisection of the first connecting portion of connection, company
Meet the tail trisection and the middle trisection of the first trisection of connection and tail trisection of tail connecting portion, the L2/L1=0.9526；
Middle trisection, a meander line structure is connected and composed by multiple bend units head and the tail, two neighboring bend unit formed V-shaped and it
Between angle in obtuse angle, head and the tail line of the middle trisection along folding part is staggered in mirror image.
A kind of 2. semitrailer crossbeam according to claim 1, it is characterised in that：The first connecting portion, folding part and tail connect
The longitudinal length ratio of socket part is 11~12:19~20:1.
A kind of 3. semitrailer crossbeam according to claim 1, it is characterised in that：The middle trisection, its longitudinal length are L4,
It is L by length3Steel plate bending form, the L3/L1=0.967, L4/L3=0.952.
A kind of 4. semitrailer crossbeam according to claim 1, it is characterised in that：Angle between two bend units is
144 °, the length of the bend unit is 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710760657.1A CN107472363B (en) | 2017-08-30 | 2017-08-30 | Semitrailer girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710760657.1A CN107472363B (en) | 2017-08-30 | 2017-08-30 | Semitrailer girder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107472363A true CN107472363A (en) | 2017-12-15 |
| CN107472363B CN107472363B (en) | 2023-06-06 |
Family
ID=60603114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710760657.1A Active CN107472363B (en) | 2017-08-30 | 2017-08-30 | Semitrailer girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107472363B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0677425A1 (en) * | 1994-04-15 | 1995-10-18 | Lohr Industrie | Frame constructed of pressed and welded steel sheet, for holding a container with converging sides |
| CN204264274U (en) * | 2014-12-11 | 2015-04-15 | 山东三星机械制造有限公司 | A kind of tank car crossbeam |
| CN204341195U (en) * | 2014-12-27 | 2015-05-20 | 山西大运汽车制造有限公司 | A kind of superimposed trailer girder section structure |
| CN207106630U (en) * | 2017-08-30 | 2018-03-16 | 河北驹王专用汽车股份有限公司 | A kind of semitrailer crossbeam |
-
2017
- 2017-08-30 CN CN201710760657.1A patent/CN107472363B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0677425A1 (en) * | 1994-04-15 | 1995-10-18 | Lohr Industrie | Frame constructed of pressed and welded steel sheet, for holding a container with converging sides |
| CN204264274U (en) * | 2014-12-11 | 2015-04-15 | 山东三星机械制造有限公司 | A kind of tank car crossbeam |
| CN204341195U (en) * | 2014-12-27 | 2015-05-20 | 山西大运汽车制造有限公司 | A kind of superimposed trailer girder section structure |
| CN207106630U (en) * | 2017-08-30 | 2018-03-16 | 河北驹王专用汽车股份有限公司 | A kind of semitrailer crossbeam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107472363B (en) | 2023-06-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2652200A1 (en) | Trailer floor | |
| CN2895844Y (en) | Sandwiched board connection structure | |
| CN207106630U (en) | A kind of semitrailer crossbeam | |
| CN102190019B (en) | Gooseneck type semitrailer longitudinal beam and semitrailer | |
| CN107472363A (en) | A kind of semitrailer crossbeam | |
| JP2010019414A (en) | Shock absorbing member | |
| CN211731547U (en) | Auxiliary frame of automobile | |
| CN210774323U (en) | Double-end plate combined structure automobile weighing platform | |
| CN209051496U (en) | A kind of semitrailer crossbeam | |
| CA2487056A1 (en) | Trailer frame | |
| CN202624032U (en) | Welding structure between sub beam and back bracket inclined brace of concrete mixer | |
| CN205769306U (en) | The back-shaped ring beam structure of underframe in flatcar | |
| CN111993718B (en) | Composite sandwich board | |
| CN212248892U (en) | Corrugated web for building | |
| CN101190690A (en) | Self-discharging vehicle set vehicle frame | |
| CN207297717U (en) | A kind of variation rigidity composite material plate spring | |
| CN208148996U (en) | A kind of balance shaft of heavy truck support and mine car | |
| CN2699106Y (en) | Bended web welding H-bar | |
| CN206320502U (en) | A kind of metal plate bending member reinforcement structure | |
| CN201737050U (en) | Crossbeam used on truck frame and truck frame | |
| CN212473655U (en) | Semitrailer longitudinal beam | |
| CN206552592U (en) | A kind of dry cargo container bottom framework | |
| CN214659049U (en) | Building structure design roof beam reinforced structure | |
| CN104843075A (en) | Bionic crossbar-free semi-trailer frame | |
| CN204846059U (en) | Bionical no girder semi -mounted frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A semi trailer beam Effective date of registration: 20230822 Granted publication date: 20230606 Pledgee: China Postal Savings Bank Co.,Ltd. Hengshui Branch Pledgor: HEBEI JUWANG VEHICLE CO.,LTD. Registration number: Y2023980053306 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20230606 Pledgee: China Postal Savings Bank Co.,Ltd. Hengshui Branch Pledgor: HEBEI JUWANG VEHICLE CO.,LTD. Registration number: Y2023980053306 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A semi-trailer beam Granted publication date: 20230606 Pledgee: China Postal Savings Bank Co.,Ltd. Hengshui Branch Pledgor: HEBEI JUWANG VEHICLE CO.,LTD. Registration number: Y2024980035916 |