CN107738692B - Profile boundary beam of aluminum alloy side curtain semitrailer and frame thereof - Google Patents
Profile boundary beam of aluminum alloy side curtain semitrailer and frame thereof Download PDFInfo
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- CN107738692B CN107738692B CN201711122871.0A CN201711122871A CN107738692B CN 107738692 B CN107738692 B CN 107738692B CN 201711122871 A CN201711122871 A CN 201711122871A CN 107738692 B CN107738692 B CN 107738692B
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- characteristic surface
- edge beam
- profile edge
- beam characteristic
- profile
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 13
- 239000010959 steel Substances 0.000 abstract description 13
- 238000005260 corrosion Methods 0.000 abstract description 9
- 230000007797 corrosion Effects 0.000 abstract description 9
- 239000004744 fabric Substances 0.000 description 13
- 238000003466 welding Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 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
Abstract
The invention discloses a profile boundary beam of an aluminum alloy side curtain semitrailer and a frame thereof, which are applied to the field of trackless land vehicles. Mainly solves the problems that the prior side curtain semitrailer side beam is generally in a steel structure, and the side beam has heavier weight, poor corrosion resistance and the like. The invention can lighten the weight of the boundary beam and improve the corrosion resistance of the boundary beam.
Description
Technical Field
The invention belongs to the field of trackless land vehicles, and particularly relates to a profile boundary beam of an aluminum alloy side curtain semitrailer and a frame thereof.
Background
Up to now, the side curtain semitrailer provided in the market generally comprises a front box assembly, a top assembly, a column, a side curtain, a frame assembly, a rear box assembly, a supporting device, an axle, a suspension and other components. The I-steel or steel plate welding piece of the side curtain semitrailer side beam generally adopts a steel structure, and the side beam has the defects of heavier weight, poor corrosion resistance and the like.
Therefore, it is necessary to develop a profile boundary beam of an aluminum alloy side curtain semitrailer and a frame thereof, so that the weight of the boundary beam can be reduced, and the corrosion resistance of the boundary beam can be improved.
Disclosure of Invention
In view of the above, the present invention aims to provide a profile side beam of an aluminum alloy side curtain semitrailer and a frame thereof, which can reduce the weight of the side beam and improve the corrosion resistance of the side beam.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the profile boundary beam of the aluminum alloy side curtain semitrailer comprises a profile boundary beam characteristic surface I, a profile boundary beam characteristic surface II, a profile boundary beam characteristic surface III, a profile boundary beam characteristic surface IV, a profile boundary beam characteristic surface five and a profile boundary beam characteristic surface six, wherein aluminum alloy materials are adopted for the structures of the profile boundary beam characteristic surface I, the profile boundary beam characteristic surface II, the profile boundary beam characteristic surface III, the profile boundary beam characteristic surface IV, the profile boundary beam characteristic surface five and the profile boundary beam characteristic surface six.
Preferably, the profile boundary beam of the side curtain semitrailer is formed by integrally connecting a profile boundary beam characteristic surface I, a profile boundary beam characteristic surface II, a profile boundary beam characteristic surface III, a profile boundary beam characteristic surface IV, a profile boundary beam characteristic surface V and a profile boundary beam characteristic surface six.
Preferably, the forming process of the connection mode among the profile edge beam characteristic surface I, the profile edge beam characteristic surface II, the profile edge beam characteristic surface III, the profile edge beam characteristic surface IV, the profile edge beam characteristic surface V and the profile edge beam characteristic surface six structures of the side curtain semitrailer is an aluminum extrusion process.
Preferably, the profile boundary beam of the side curtain semitrailer further comprises a profile boundary beam characteristic surface seven and a profile boundary beam characteristic surface eight; and the seventh profile edge beam characteristic surface and the eighth profile edge beam characteristic surface are subjected to arc treatment.
Preferably, the profile boundary beam of the side curtain semitrailer, the profile boundary beam characteristic surface I and the profile boundary beam characteristic surface eight form a height difference.
Preferably, the profile boundary beam of the side curtain semitrailer is characterized in that a bottom plate hook fixing hole is formed in the second profile boundary beam characteristic surface and is movably connected with the bottom plate hook.
A frame containing the profile boundary beam of the aluminum alloy side curtain semitrailer comprises a profile boundary beam, a bottom plate and a frame cross beam; the profile edge beam is connected with the bottom plate, the profile edge beam is connected with the frame cross beam, and the bottom plate is arranged above the frame cross beam; the profile side beams, the bottom plate and the frame cross beams are all made of aluminum alloy materials.
The invention has the beneficial effects that:
1. compared with the boundary beam of the steel side curtain vehicle in the prior art, the profile boundary beam of the side curtain semi-trailer structurally comprises a profile boundary beam characteristic surface I, a profile boundary beam characteristic surface II, a profile boundary beam characteristic surface III, a profile boundary beam characteristic surface IV, a profile boundary beam characteristic surface V and a profile boundary beam characteristic surface V, wherein aluminum alloy materials are adopted in the profile boundary beam characteristic surface I, the profile boundary beam characteristic surface II, the profile boundary beam characteristic surface III, the profile boundary beam characteristic surface IV, the profile boundary beam characteristic surface V and the profile boundary beam characteristic surface V. The improvement reduces the weight of the boundary beam and improves the corrosion resistance of the boundary beam.
2. The first profile edge beam characteristic surface, the second profile edge beam characteristic surface, the third profile edge beam characteristic surface, the fourth profile edge beam characteristic surface, the fifth profile edge beam characteristic surface, the sixth profile edge beam characteristic surface and other cross sections are integrally formed. The improvement reduces the number of connections, does not need welding, avoids welding defects, and simplifies the boundary beam structure.
3. The forming process of the connection mode among the first profile edge beam characteristic surface, the second profile edge beam characteristic surface, the third profile edge beam characteristic surface, the fourth profile edge beam characteristic surface, the fifth profile edge beam characteristic surface and the sixth profile edge beam characteristic surface is an aluminum extrusion process. The improvement improves the section strength of the component, improves the processing precision and simplifies the production process.
4. The profile boundary beam further comprises a profile boundary beam characteristic surface seven and a profile boundary beam characteristic surface eight, and the profile boundary beam characteristic surface seven and the profile boundary beam characteristic surface eight are subjected to arc treatment. The improvement reduces the abnormal abrasion of the side curtain cloth.
5. And the first profile edge beam characteristic surface and the eighth profile edge beam characteristic surface form a height difference. The improvement can prevent rainwater and the like from flowing onto the cargo carrying platform; but also provides installation space for the base plate hook.
6. And the second profile edge beam characteristic surface is provided with a bottom plate hook fixing hole and is movably connected with the bottom plate hook. The improvement enables the bottom plate hook to move up and down, when the bottom plate hook is lifted, the bottom plate hook can fix goods, and when the bottom plate hook is lowered, the bottom plate hook cannot obstruct unloading movement.
7. Compared with the frame of the side curtain semitrailer in the prior art, the frame containing the profile boundary beam of the side curtain semitrailer comprises a profile boundary beam, a bottom plate and a frame cross beam, wherein the profile boundary beam is connected with the bottom plate, the profile boundary beam is connected with the frame cross beam, and the profile boundary beam, the bottom plate and the frame cross beam are made of aluminum alloy materials. The improvement reduces the weight of the frame of the side curtain semi-trailer and improves the corrosion resistance of the frame of the side curtain semi-trailer.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the present invention provides the following drawings for description:
FIG. 1 is a schematic view of a side curtain semitrailer of a profile edge beam of the present invention;
FIG. 2 is a schematic cross-sectional view of a frame A-A of the side curtain semitrailer of FIG. 1;
FIG. 3 is an enlarged view of a portion of the profile edge beam of the present invention in FIG. 2;
FIG. 4 is a partial cross-sectional view of a profile edge beam of the present invention;
FIG. 5 is a top view of the profile edge beam of FIG. 2, primarily a view of the second profile edge beam feature of FIG. 4;
FIG. 6 is a schematic view of a floor hook;
FIG. 7 is a partial cross-sectional view of a side rail of a conventional side curtain semitrailer employing an I-beam;
FIG. 8 is a partial cross-sectional view of a conventional side curtain semitrailer employing a welded component formed by welding a plurality of bent steel plates as side curtain side sills.
The figures are marked as follows: the front box assembly 11, the top assembly 12, the pillar 13, the side curtain 14, the frame assembly 15, the rear box assembly 16, the floor hook 21, the floor 22, the frame rail 23, the longitudinal beam 24, the profile side rail 25, the profile side rail feature first 41, the profile side rail feature second 42, the profile side rail feature third 43, the profile side rail feature fourth 44, the profile side rail feature fifth 45, the profile side rail feature sixth 46, the profile side rail feature seventh 47, the profile side rail feature eighth 48, the lower wing plate 51, the web 52, the upper wing plate 53, the floor 54, the floor rail 55, the frame rail 56, the side rail assembly first 61, the side rail assembly second 62, the floor 63, the floor rail 64, the frame rail 65, the floor hook fixing hole 71, the floor hook rail 211, the floor hook vertical post 212, the floor hook connecting plate 213, the connecting nut 214.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 4, the profile boundary beam of the side curtain semitrailer structurally comprises a profile boundary beam characteristic surface 41, a profile boundary beam characteristic surface second 42, a profile boundary beam characteristic surface third 43, a profile boundary beam characteristic surface fourth 44, a profile boundary beam characteristic surface fifth 45, a profile boundary beam characteristic surface sixth 46, wherein the profile boundary beam characteristic surface first 41, the profile boundary beam characteristic surface second 42, the profile boundary beam characteristic surface third 43, the profile boundary beam characteristic surface fourth 44, the profile boundary beam characteristic surface fifth 45, the profile boundary beam characteristic surface sixth 46 and other structures adopt aluminum alloy materials. The improvement reduces the weight of the boundary beam and improves the corrosion resistance of the boundary beam.
The first profile edge beam characteristic surface 41 and the third profile edge beam characteristic surface 43 are vertically arranged at the bending position of the second profile edge beam characteristic surface 42, the fifth profile edge beam characteristic surface 45 is vertically connected with the second profile edge beam characteristic surface 42 through the fourth profile edge beam characteristic surface 44 which is vertical to the fifth profile edge beam characteristic surface, and the sixth profile edge beam characteristic surface 46 is arranged in the extending direction of the fourth profile edge beam characteristic surface 44 along the fifth profile edge beam characteristic surface 45.
Example 2
On the basis of the profile boundary beam of the side curtain semitrailer in the embodiment 1, the connection modes among the profile boundary beam characteristic surface I41, the profile boundary beam characteristic surface II 42, the profile boundary beam characteristic surface III 43, the profile boundary beam characteristic surface IV 44, the profile boundary beam characteristic surface V45, the profile boundary beam characteristic surface V46 and other cross sections are integrally formed. The improvement reduces the number of connections, does not need welding, avoids welding defects, and simplifies the boundary beam structure.
Example 3
On the basis of the profile boundary beam of the side curtain semitrailer in embodiment 2, the forming process of the connection mode among the structures of the profile boundary beam characteristic surface I41, the profile boundary beam characteristic surface II 42, the profile boundary beam characteristic surface III 43, the profile boundary beam characteristic surface IV 44, the profile boundary beam characteristic surface V45, the profile boundary beam characteristic surface V46 and the like is an aluminum extrusion process. The improvement improves the section strength of the component, improves the processing precision and simplifies the production process.
Example 4
On the basis of the profile boundary beam of the side curtain semitrailer in the embodiment 3, the profile boundary beam further comprises a profile boundary beam characteristic surface seven 47 and a profile boundary beam characteristic surface eight 48, and the profile boundary beam characteristic surface seven 47 and the profile boundary beam characteristic surface eight 48 are subjected to arc treatment. The improvement reduces abnormal wear of the side curtain.
The profile boundary beam characteristic surface seven 47 is positioned at the joint of the profile boundary beam characteristic surface four 44 and the profile boundary beam characteristic surface six 46; the profile edge beam feature surface eight 48 is located at the junction of the profile edge beam feature surface four 44 and the profile edge beam feature surface two 42.
Example 5
On the basis of the profile boundary beam of the side curtain semitrailer in the embodiment 4, the profile boundary beam characteristic surface one 41 and the profile boundary beam characteristic surface eight 48 form a height difference. The improvement can prevent rainwater and the like from flowing onto the cargo carrying platform; but also provides a mounting space for the floor hook 21.
Example 6
As shown in fig. 5 and 6, on the basis of the profile edge beam of the side curtain semitrailer in embodiment 5, the second profile edge beam characteristic surface 42 is provided with a bottom plate hook fixing hole 71 and is movably connected with the bottom plate hook 21.
The bottom plate hook 21 comprises a bottom plate hook transverse rod 211, a bottom plate hook vertical rod 212, a bottom plate hook connecting plate 213 and a connecting nut 214, wherein the bottom plate hook transverse rod 211 is connected with the bottom plate hook vertical rod 212, the bottom plate hook connecting plate 213 is movably connected with the bottom plate hook vertical rod 212 through a hole on the bottom plate hook connecting plate 213, the connecting nut 214 is fastened through threads on the bottom plate hook vertical rod 212, and the bottom plate hook connecting plate 213 is limited between the bottom plate hook transverse rod 211 and the connecting nut 214. The bottom plate hook vertical rod 212 penetrates through the bottom plate hook fixing hole 71 of the second profile edge beam characteristic surface 42, so that the second profile edge beam characteristic surface 42 is movably connected with the bottom plate hook 21. When the device is used, the rope can be fixed on the bottom plate hook cross bar 211 so as to fix cargoes in a carriage, and when the device is not used, the bottom plate hook can be put down, so that the bottom plate hook cross bar 211 is contacted with the second profile boundary beam characteristic surface 42, and the bottom plate hook is lower than the carriage bottom plate, and the cargo loading and unloading is not influenced.
Example 7
As shown in fig. 1, 2 and 3, a frame containing profile side beams of the side curtain semitrailer of embodiments 1-6 comprises a profile side beam 25, a bottom plate 22 and a frame cross beam 23, wherein the profile side beam 25 is connected with the bottom plate 22, the profile side beam 25 is connected with the frame cross beam 23, and the profile side beam 25, the bottom plate 22 and the frame cross beam 23 are made of aluminum alloy materials. Compared with the side beams of the side curtain semitrailer in the prior art, the side curtain semitrailer has the advantages that the weight of the side beams of the side curtain semitrailer is reduced, and the corrosion resistance of the side beams of the side curtain semitrailer is improved.
Comparative example
A side curtain semitrailer comprises a front box assembly 11, a top assembly 12, an upright post 13, a side curtain 14, a frame assembly 15, a rear box assembly 16, a supporting device, an axle, a suspension and other parts. The side curtain semitrailer has side curtain cloth on two sides, side curtain cloth sliding rails on the left and right sides of the top, and roller mechanisms fixed together with the side curtain cloth move back and forth in the sliding rails together with the side curtain cloth when in operation, the lower part of the side curtain cloth extends below the side beam, the side curtain cloth is tightened downwards by using a tightening device at the lower part of the side beam, the longitudinal rear part of the side curtain cloth is fixed in the rear upright post, and the tightening device fixed on the front upright post can tighten and fix the side curtain cloth forwards.
As shown in fig. 7, one of the conventional side beams is an i-beam steel (or welded i-beam steel) (or channel steel), the i-beam steel is composed of a lower wing plate 51, a web plate 52 and an upper wing plate 53, a bottom plate 54 is welded with the upper wing plate 53 of the side beam, a bottom plate cross beam 55 is welded with a frame cross beam 56, and a side curtain cloth is contacted with the upper wing plate 53 and the lower wing plate 51 at the outer side, so that the side curtain cloth is worn and cut by the edges of the upper wing plate and the lower wing plate of the i-beam steel side beam in the driving process, and the service life of the side curtain cloth is reduced. By adopting the structure, the structure is heavy and is unfavorable for the lightweight development of vehicles.
As shown in fig. 8, the second conventional side rail is a side curtain rail using a welded part formed by welding a plurality of bent steel plates, and the side rail is formed by welding a side rail assembly one 61 and a side rail assembly two 62, wherein the side rail assembly one 61 is welded with a bottom plate 63, and a bottom plate beam 64 is welded with a frame beam 65. The structural form can effectively reduce the abrasion of the side beam part on the side curtain cloth, but the side beam structure adopts a press bending mode, the splicing welding form is complex in process, the welding deformation is difficult to control, the structural strength and the structural precision are unstable, the requirement on the production process is high, and the mass production is not facilitated.
The conventional side beam, whether in the structural form shown in fig. 5 or in the structural form shown in fig. 6, is made of steel, is heavy and is easy to rust.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the invention, and that, although the invention has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides an aluminum alloy side curtain semitrailer's section bar boundary beam which characterized in that: the aluminum alloy profile edge beam comprises a profile edge beam characteristic surface I, a profile edge beam characteristic surface II, a profile edge beam characteristic surface III, a profile edge beam characteristic surface IV, a profile edge beam characteristic surface five and a profile edge beam characteristic surface six, wherein the profile edge beam characteristic surface I, the profile edge beam characteristic surface II, the profile edge beam characteristic surface III, the profile edge beam characteristic surface IV, the profile edge beam characteristic surface five and the profile edge beam characteristic surface six are made of aluminum alloy materials, and also comprise a profile edge beam characteristic surface seven and a profile edge beam characteristic surface eight; the profile edge beam characteristic surface seven and the profile edge beam characteristic surface eight are subjected to arc treatment, the profile edge beam characteristic surface I and the profile edge beam characteristic surface eight form a height difference, a bottom plate hook fixing hole is formed in the profile edge beam characteristic surface II and is movably connected with a bottom plate hook, the bottom plate hook comprises a bottom plate hook cross rod, a bottom plate hook vertical rod, a bottom plate hook connecting plate and a connecting nut, the bottom plate hook cross rod is connected with the bottom plate hook vertical rod, the bottom plate hook connecting plate is movably connected with the bottom plate hook vertical rod through a hole on the bottom plate hook connecting plate, the connecting nut is fastened through threads on the bottom plate hook vertical rod, the bottom plate hook connecting plate is limited between the bottom plate hook cross rod and the connecting nut, and the bottom plate hook vertical rod penetrates through the bottom plate hook fixing hole of the profile edge beam characteristic surface II, so that the profile edge beam characteristic surface II is movably connected with the bottom plate hook.
2. The profile edge beam of an aluminum alloy side curtain semitrailer according to claim 1, wherein: the first profile edge beam characteristic surface, the second profile edge beam characteristic surface, the third profile edge beam characteristic surface, the fourth profile edge beam characteristic surface, the fifth profile edge beam characteristic surface and the sixth profile edge beam characteristic surface are integrally formed.
3. The profile edge beam of an aluminum alloy side curtain semitrailer according to claim 2, wherein: the forming process of the connection mode among the first profile edge beam characteristic surface, the second profile edge beam characteristic surface, the third profile edge beam characteristic surface, the fourth profile edge beam characteristic surface, the fifth profile edge beam characteristic surface and the sixth profile edge beam characteristic surface is an aluminum extrusion process.
4. A vehicle frame comprising the profile edge beam of the aluminum alloy side curtain semitrailer as claimed in any one of claims 1 to 3, which is characterized in that: comprises a profile boundary beam, a bottom plate and a frame cross beam; the profile edge beam is connected with the bottom plate, and the profile edge beam is connected with the frame cross beam; the profile side beams, the bottom plate and the frame cross beams are all made of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711122871.0A CN107738692B (en) | 2017-11-14 | 2017-11-14 | Profile boundary beam of aluminum alloy side curtain semitrailer and frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711122871.0A CN107738692B (en) | 2017-11-14 | 2017-11-14 | Profile boundary beam of aluminum alloy side curtain semitrailer and frame thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107738692A CN107738692A (en) | 2018-02-27 |
| CN107738692B true CN107738692B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711122871.0A Active CN107738692B (en) | 2017-11-14 | 2017-11-14 | Profile boundary beam of aluminum alloy side curtain semitrailer and frame thereof |
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| Country | Link |
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| CN (1) | CN107738692B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108545118B (en) * | 2018-06-29 | 2024-03-12 | 辽宁忠旺特种车辆制造有限公司 | Aluminum alloy totally-enclosed vehicle transportation semitrailer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2509048Y (en) * | 2001-09-21 | 2002-09-04 | 中国国际海运集装箱(集团)股份有限公司 | Side frame structure for side-curtain semi-trailer |
| CN1611410A (en) * | 2003-10-31 | 2005-05-04 | 中国国际海运集装箱(集团)股份有限公司 | Trailer with expanding function and its manufacturing method |
| KR200419268Y1 (en) * | 2006-04-04 | 2006-06-16 | 아이씨피 주식회사 | Aluminumn flat board trailer |
| CN202107024U (en) * | 2011-07-04 | 2012-01-11 | 驻马店中集华骏车辆有限公司 | Light freight semitrailer and side beam thereof |
| CN202294973U (en) * | 2011-10-30 | 2012-07-04 | 湖南晟通科技集团有限公司 | Lower edge beam of semitrailer |
| CN202358177U (en) * | 2011-10-30 | 2012-08-01 | 湖南晟通科技集团有限公司 | Roof side rail of semitrailer |
| CN207416956U (en) * | 2017-11-14 | 2018-05-29 | 辽宁忠旺特种车辆制造有限公司 | The section bar side bar and its vehicle frame of a kind of aluminium alloy side curtain semitrailer |
-
2017
- 2017-11-14 CN CN201711122871.0A patent/CN107738692B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2509048Y (en) * | 2001-09-21 | 2002-09-04 | 中国国际海运集装箱(集团)股份有限公司 | Side frame structure for side-curtain semi-trailer |
| CN1611410A (en) * | 2003-10-31 | 2005-05-04 | 中国国际海运集装箱(集团)股份有限公司 | Trailer with expanding function and its manufacturing method |
| KR200419268Y1 (en) * | 2006-04-04 | 2006-06-16 | 아이씨피 주식회사 | Aluminumn flat board trailer |
| CN202107024U (en) * | 2011-07-04 | 2012-01-11 | 驻马店中集华骏车辆有限公司 | Light freight semitrailer and side beam thereof |
| CN202294973U (en) * | 2011-10-30 | 2012-07-04 | 湖南晟通科技集团有限公司 | Lower edge beam of semitrailer |
| CN202358177U (en) * | 2011-10-30 | 2012-08-01 | 湖南晟通科技集团有限公司 | Roof side rail of semitrailer |
| CN207416956U (en) * | 2017-11-14 | 2018-05-29 | 辽宁忠旺特种车辆制造有限公司 | The section bar side bar and its vehicle frame of a kind of aluminium alloy side curtain semitrailer |
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| CN107738692A (en) | 2018-02-27 |
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