CN109131581B - Semitrailer girder and vehicle underframe with same - Google Patents
Semitrailer girder and vehicle underframe with same Download PDFInfo
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- CN109131581B CN109131581B CN201811089148.1A CN201811089148A CN109131581B CN 109131581 B CN109131581 B CN 109131581B CN 201811089148 A CN201811089148 A CN 201811089148A CN 109131581 B CN109131581 B CN 109131581B
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- 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
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- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
The invention relates to a semitrailer girder and a vehicle underframe with the same, belonging to the technical field of semitrailers and solving the technical problem that the contact area of a web plate, an upper wing plate and a lower wing plate is smaller and the mounting strength of the web plate is reduced in the prior art. This semitrailer girder has improved the installation intensity of web through last firm board, firm board down, simultaneously through strengthening the swash plate, strengthening the swash plate down, has improved the anti deformability of backup pad, has further improved the bearing capacity of semitrailer girder.
Description
Technical Field
The invention relates to the technical field of semitrailers, in particular to a semitrailer girder and a vehicle underframe with the same.
Background
A semitrailer is a trailer whose axle is placed behind the center of gravity of the vehicle and which is equipped with a coupling device that can transmit horizontal and vertical forces to the tractor. Because the body of the semi-trailer is very long, the beam of the semi-trailer is a main bearing part of the body and plays a role in supporting a carriage. Semitrailer girder among the prior art mainly includes upper wing plate and the lower pterygoid lamina that sets up along the horizontal direction, sets up the web between upper wing plate and lower pterygoid lamina, and the both ends of web directly weld on upper wing plate and lower pterygoid lamina, because the area of contact of web and upper wing plate, lower pterygoid lamina is less to the installation intensity of web has been reduced.
Disclosure of Invention
The invention aims to provide a semitrailer girder, which improves the contact area of a support plate and an upper wing plate and a lower wing plate by arranging the upper stabilizing plate and the lower stabilizing plate at the two ends of the support plate, thereby improving the installation strength of a web plate, and simultaneously improving the deformation resistance of the support plate and further improving the bearing capacity of the semitrailer girder by arranging the upper reinforcing inclined plate and the lower reinforcing inclined plate.
The technical purpose of the invention is realized by the following technical scheme:
a semitrailer girder comprises a main body section, a connecting section and a connecting section, wherein the connecting section extends along the length direction of the main body section, the top surface of the connecting section is higher than the top surface of the main body section, the main body section and the connecting section form a smooth transition step shape, the main body section and the connecting section respectively comprise an upper wing plate and a lower wing plate which are horizontally arranged, and a web plate vertically arranged between the upper wing plate and the lower wing plate, the top surface of the web plate of the connecting section is higher than the top surface of the web plate of the main body section, the web plate comprises a supporting plate, an upper stabilizing plate vertically and fixedly arranged at the top end of the supporting plate and attached to the upper wing plate, an upper reinforcing inclined plate fixedly arranged between the upper stabilizing plate and the supporting plate, a lower stabilizing plate vertically and fixedly arranged at the bottom end of the supporting plate and attached to the lower wing plate, and a lower reinforcing inclined plate fixedly arranged between the lower stabilizing plate and, one end of the lower reinforcing inclined plate far away from the supporting plate and one end of the lower stabilizing plate far away from the supporting plate are fixedly provided with lower connecting plates which are parallel to the supporting plate and are arranged at intervals, the joint of the upper connecting plate and the upper stabilizing plate and the joint of the upper stabilizing plate and the supporting plate are arranged in a chamfer, the joint of the lower connecting plate and the lower stabilizing plate and the joint of the lower stabilizing plate and the supporting plate are arranged in a chamfer shape, the upper stabilizing plate and the lower stabilizing plate are positioned at the same side of the supporting plate, an auxiliary supporting plate which is parallel to the supporting plate and arranged at intervals is fixedly arranged between the upper reinforced inclined plate and the lower reinforced inclined plate, the upper stabilizing plate and the upper wing plate are welded, one end of the upper reinforcing inclined plate far away from the upper connecting plate is welded on the side surface of the supporting plate, the lower stabilizing plate and the lower wing plate are welded, and one end of the lower reinforcing inclined plate, which is far away from the lower connecting plate, is welded on the side surface of the supporting plate.
Through adopting above-mentioned technical scheme, through setting up the firm board on the top of backup pad, firm board has increased backup pad and last pterygoid lamina, the area of contact of pterygoid lamina down under the bottom setting of backup pad to improve the installation intensity of web, set up simultaneously and strengthen the swash plate between last firm board and backup pad, set up down between firm board and backup pad and strengthen the swash plate, improved the anti deformability of backup pad, further improved the bearing capacity of semitrailer girder.
Go up to strengthen the swash plate and pass through upper junction plate and last firm board fixed connection, strengthen the swash plate down through connecting plate and firm board fixed connection down, when not influencing the installation intensity of web and anti deformability, make on strengthen between board and the last swash plate, firm board and strengthen down and have certain cushioning effect between the swash plate to the stability and the life-span of the use of web have been increased.
Not only makes the processing of last firm board and lower firm board more convenient, has improved the installation intensity of backup pad simultaneously. Not only avoid the web junction fish tail operating personnel, make things convenient for the processing of web moreover and install the web between last pterygoid lamina and lower pterygoid lamina, increased simultaneously and gone up pterygoid lamina and last firm board, down the pterygoid lamina and firm down between the board welding area, further improved the installation intensity and the stability of web. The auxiliary supporting plate is arranged between the upper reinforced inclined plate and the lower reinforced inclined plate, so that the deformation resistance of the web plate is improved, and the bearing capacity of the girder of the semitrailer is improved.
The invention is further configured to: and two ends of the upper reinforced inclined plate are positioned at two sides of the auxiliary supporting plate.
Through adopting above-mentioned technical scheme, not only make the installation of auxiliary supporting plate more convenient, make moreover and strengthen the swash plate, strengthen the swash plate down and play the effect of strengthening to auxiliary supporting plate, strengthen the swash plate promptly, strengthen the swash plate down and play the effect of strengthening simultaneously to backup pad, auxiliary supporting plate simultaneously.
The invention is further configured to: the web side is seted up one row of via hole that is "worker" font setting along its length direction, a plurality of lightening holes have been seted up above the via hole to the linkage segment web side.
Through adopting above-mentioned technical scheme, the via hole is used for the installation of two semitrailer girders, and the lightening hole has reduced the dead weight of semitrailer girder.
The invention aims to provide a vehicle underframe, wherein two ends of a first positioning plate extend into a web plate of a connecting section, and two ends of a second positioning plate extend into a web plate of a main body section, so that positioning and installation of two semitrailer girders are realized, and the first positioning plate and the second positioning plate are more convenient to install.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a vehicle underframe, includes two semitrailer girders that above-mentioned and symmetry set up, sets up the locating plate between two semitrailer girders, the backup pad of semitrailer girder linkage segment web, the backup pad of semitrailer girder main part section web all are close to the locating plate setting, the locating plate includes along a plurality of first locating plates of semitrailer girder length direction interval setting between two semitrailer girder linkage segments, along a plurality of second locating plates of semitrailer girder length direction interval setting between two semitrailer girder main part sections, the inside of linkage segment web is stretched into at the both ends of first locating plate, the first welding hole with first locating plate looks adaptation is seted up to the linkage segment web, the inside of main part segment web is stretched into at the both ends of second locating plate, the second welding hole with second locating plate looks adaptation is seted up to main part segment web, first locating plate includes the location mainboard, the transverse shape setting of personally submitting "worker" style of calligraphy Two are set firmly at location mainboard both ends and extend the plugboard that sets up along location mainboard length direction, the one end that the mainboard was kept away from to the plugboard passes the inside that first welding hole lies in the linkage segment web, the one end that the mainboard was kept away from to the plugboard runs through backup pad and auxiliary stay board inconsistent, the terminal surface and the backup pad inconsistent of its length direction are followed to the mainboard of location.
Through adopting above-mentioned technical scheme, stretch into the inside of linkage segment web with the both ends of first locating plate, the inside of main part section web is stretched into at the both ends of second locating plate, and first locating plate and second locating plate have realized the location of two semitrailer girders, have made things convenient for the installation of first locating plate and second locating plate simultaneously.
The one end that the location mainboard was kept away from to the plugboard stretches into the inside of web through first welding hole to realized the location of first locating plate, and then made the installation of first locating plate more convenient.
The invention is further configured to: the first positioning plate and the second positioning plate have the same structure.
Through adopting above-mentioned technical scheme, make the processing and the installation of first locating plate and second locating plate more convenient.
In conclusion, the invention has the following beneficial effects:
1. according to the semitrailer girder, the upper stabilizing plate and the lower stabilizing plate are arranged at the two ends of the supporting plate, so that the contact area of the supporting plate and the upper wing plate and the contact area of the lower wing plate are increased, the installation strength of the web plate is improved, and meanwhile, the deformation resistance of the supporting plate is improved and the bearing capacity of the semitrailer girder is further improved due to the arrangement of the upper reinforcing inclined plate and the lower reinforcing inclined plate.
2. Through set up the auxiliary stay board between last swash plate and the lower swash plate of strengthening, increased the anti deformability of web, improved the bearing capacity of semitrailer girder.
3. According to the vehicle underframe with the semitrailer girder, the two ends of the first positioning plate extend into the connecting section web plate, and the two ends of the second positioning plate extend into the main body section web plate, so that the positioning and installation of the two semitrailer girders are realized, and the first positioning plate and the second positioning plate are more convenient to install.
4. The plugboard of the first locating plate stretches into the inside of the web plate of the connecting section through the first welding hole at one end away from the locating main board, so that the locating of the first locating plate is realized, and the installation of the first locating plate is more convenient.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is a top view of the embodiment;
FIG. 3 is a partial sectional view taken in the direction A-A of FIG. 2;
FIG. 4 is a partial sectional view taken in the direction B-B of FIG. 2;
fig. 5 is a schematic structural view of the first positioning plate in the embodiment.
In the figure, 11, the main body section; 12. a connecting section; 21. a first positioning plate; 211. positioning the main board; 2111. a weight-reducing through hole; 212. a plugboard; 22. a second positioning plate; 31. an upper wing plate; 32. a lower wing plate; 33. a web; 331. a via hole; 332. lightening holes; 41. a support plate; 42. an upper stabilizing plate; 43. an upper connecting plate; 44. an upper reinforced sloping plate; 45. a lower stabilizing plate; 46. a lower connecting plate; 47. a lower reinforced sloping plate; 48. and (4) an auxiliary supporting plate.
Detailed Description
The embodiment is a vehicle underframe, and as shown in fig. 1, the vehicle underframe comprises two semitrailer girders symmetrically arranged along a plumb plane and a positioning plate arranged between the two semitrailer girders.
As shown in fig. 1, the semitrailer girder includes a main body section 11, a connecting section 12 is fixedly extended from one end of the main body section 11 along the length direction thereof, the top surface of the connecting section 12 is higher than the top surface of the main body section 11, the connecting section 12 and the main body section 11 form a smooth transition step shape, the top surface of one end of the main body section 11 away from the connecting section 12 is set to be an arc surface, and the curved direction of the arc surface is arranged downward.
As shown in fig. 1, the positioning plate includes a first positioning plate 21 and a second positioning plate 22, and the first positioning plate 21 and the second positioning plate 22 have the same structure. The number of the first positioning plates 21 is three, and the three first positioning plates 21 are arranged between the two semitrailer girder connecting sections 12 at intervals along the length direction of the semitrailer body. The number of the second positioning plates 22 is two, and the two second positioning plates 22 are arranged between the two semitrailer girder main sections 11 at intervals along the length direction of the semitrailer body.
As shown in fig. 2 and 3, each of the main body segment 11 and the connecting segment 12 includes an upper wing plate 31, a lower wing plate 32, and a web 33, the upper wing plate 31 and the lower wing plate 32 are both disposed in a horizontal state, the web 33 is vertically disposed between the upper wing plate 31 and the lower wing plate 32, and the web 33 is located at the middle of the upper wing plate 31 and the lower wing plate 32 in the width direction thereof. Referring to fig. 1, a row of through holes 331 is formed in the web 33 along the length direction, the through holes 331 are arranged in an "i" shape, and a plurality of lightening holes 332 are spaced above the through holes 331 in the web 33 of the connecting section 12, in this embodiment, the number of the lightening holes 332 is twelve.
As shown in fig. 3, the web 33 includes a support plate 41 disposed between the upper wing plate 31 and the lower wing plate 32. An upper stabilizing plate 42 is vertically and fixedly arranged at the top end of the supporting plate 41, the top surface of the upper stabilizing plate 42 is attached to the bottom surface of the upper wing plate 31, the upper stabilizing plate 42 is welded with the upper wing plate 31, and the joint of the upper stabilizing plate 42 and the supporting plate 41 is in a chamfer angle arrangement. An upper connecting plate 43 is vertically and fixedly arranged at one end of the upper stabilizing plate 42, which is far away from the supporting plate 41, the upper connecting plate 43 is parallel to the supporting plate 41 and is arranged at an interval, and the joint of the upper connecting plate 43 and the upper stabilizing plate 42 is arranged in a chamfer. An upper inclined reinforcing plate 44 is arranged at one end of the upper connecting plate 43 away from the upper stabilizing plate 42, and one end of the upper inclined reinforcing plate 44 away from the upper connecting plate 43 is welded on the side surface of the supporting plate 41.
As shown in fig. 3, a lower stabilizing plate 45 is vertically and fixedly disposed at the bottom end of the supporting plate 41, the bottom surface of the lower stabilizing plate 45 is attached to the top surface of the lower wing plate 32, the lower stabilizing plate 45 and the upper stabilizing plate 42 are located at the same side of the supporting plate 41, the lower stabilizing plate 45 and the lower wing plate 32 are welded to each other, and the joint between the lower stabilizing plate 45 and the supporting plate 41 is chamfered. One end of the lower stabilizing plate 45, which is far away from the supporting plate 41, is vertically and fixedly provided with a lower connecting plate 46, the lower connecting plate 46 is parallel to the supporting plate 41 and is arranged at an interval, and the joint of the lower connecting plate 46 and the lower stabilizing plate 45 is arranged in a chamfer. One end of the lower connecting plate 46, which is far away from the lower stabilizing plate 45, is provided with a lower inclined reinforcing plate 47, and one end of the lower inclined reinforcing plate 47, which is far away from the lower connecting plate 46, is welded on the side surface of the supporting plate 41.
As shown in fig. 3, an auxiliary support plate 48 is welded between the upper inclined reinforcement plate 44 and the lower inclined reinforcement plate 47, the auxiliary support plate 48 is parallel to and spaced apart from the support plate 41, and both ends of the upper inclined reinforcement plate 44 are located at both sides of the auxiliary support plate 48, that is, both ends of the lower inclined reinforcement plate 47 are located at both sides of the auxiliary support plate 48.
According to the semitrailer girder, the upper stabilizing plate 42 is arranged at the top end of the supporting plate 41, the lower stabilizing plate 45 is arranged at the bottom end of the supporting plate 41, and the contact area between the supporting plate 41 and the upper wing plate 31 and the contact area between the supporting plate 41 and the lower wing plate 32 are increased; an upper connecting plate 43 is arranged at one end of the upper stabilizing plate 42 far away from the supporting plate 41, and a lower connecting plate 46 is arranged at one end of the lower stabilizing plate 45 far away from the supporting plate 41; by providing the upper inclined reinforcement plate 44 between the support plate 41 and the upper connecting plate 43, the lower inclined reinforcement plate 47 is provided between the support plate 41 and the lower connecting plate 46; through set up the auxiliary supporting plate 48 between last swash plate 44 and the lower swash plate 47 of strengthening, not only improved the installation intensity and the anti deformability of backup pad 41, further improved the bearing capacity of semitrailer girder, go up firm board 42 and strengthen between the swash plate 44 on with, firm board 45 forms the buffering cavity down with strengthening between the swash plate 47 down simultaneously, increased the stability and the life-span of the use of web 33.
As shown in fig. 5, the first positioning plate 21 includes a positioning main plate 211 having an i-shaped cross section, and four weight-reducing through holes 2111 are uniformly formed in a side surface of the positioning main plate 211. The two ends of the positioning main board 211 along the length direction thereof extend and are fixedly provided with the plugboard 212, and the cross section of the plugboard 212 is rectangular.
As shown in fig. 2 and 4, the two plugboards 212 of the first positioning board 21 extend into the webs 33 of the connecting sections 12 of the girders of the two semi-trailers respectively, one ends of the plugboards 212, which are far away from the positioning main board 211, penetrate through the supporting board 41 and the auxiliary supporting board 48 to be abutted against each other, the supporting board 41 is provided with first welding holes matched with the plugboards 212, at this time, the end surface of the positioning main board 211 along the length direction of the positioning main board 211 is abutted against the supporting board 41, and the positioning main board 211 is welded with the supporting board 41 at the first welding holes.
As shown in fig. 1 and 4, the two plugboards 212 of the second positioning plate 22 extend into the webs 33 of the girder main sections 11 of the two semitrailers, one ends of the plugboards 212, which are far away from the positioning main plate 211, penetrate through the supporting plate 41 and the auxiliary supporting plate 48 to be abutted against each other, the supporting plate 41 is provided with second welding holes matched with the plugboards 212, at this time, the end surface of the positioning main plate 211 along the length direction of the positioning main plate 211 is abutted against the supporting plate 41, and the positioning main plate 211 is welded with the supporting plate 41 at the second welding holes.
The first positioning plate 21 and the second positioning plate 22 have the same structure, so that the first positioning plate 21 and the second positioning plate 22 are more convenient to process and install, meanwhile, the plug-in plate 212 of the first positioning plate 21 is abutted to the auxiliary support plate 48 of the web plate 33 of the connecting section 12 through the first welding hole, the plug-in plate 212 of the second positioning plate 22 is abutted to the auxiliary support plate 48 of the web plate 33 of the main body section 11 through the second welding hole, not only is the positioning and installation of two semitrailer girder realized, but also the first positioning plate 21 and the second positioning plate 22 are more convenient to install, meanwhile, the plug-in plate 212 of the first positioning plate 21 increases the deformation resistance of the web plate 33 of the connecting section 12, the plug-in plate 212 of the second positioning plate 22 increases the deformation resistance of the web plate 33 of the main body section 11, and the bearing capacity of the chassis is further improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a semitrailer girder, includes main part section (11), along main part section (11) length direction extension and top surface be higher than linkage segment (12) of main part section (11) top surface, main part section (11) and linkage segment (12) form smooth transition's echelonment, main part section (11) and linkage segment (12) all include last pterygoid lamina (31) and lower pterygoid lamina (32) that the level set up, set up web (33) between last pterygoid lamina (31) and lower pterygoid lamina (32) perpendicularly, the top surface of linkage segment (12) web (33) is higher than the top surface of main part section (11) web (33), its characterized in that: the web plate (33) comprises a support plate (41), an upper stabilizing plate (42) vertically fixed at the top end of the support plate (41) and jointed with the upper wing plate (31), an upper reinforcing inclined plate (44) fixedly arranged between the upper stabilizing plate (42) and the support plate (41), a lower stabilizing plate (45) vertically fixed at the bottom end of the support plate (41) and jointed with the lower wing plate (32), and a lower reinforcing inclined plate (47) fixedly arranged between the lower stabilizing plate (45) and the support plate (41), wherein one end of the upper reinforcing inclined plate (44) far away from the support plate (41) and one end of the upper stabilizing plate (42) far away from the support plate (41) are fixedly provided with upper connecting plates (43) parallel to the support plate (41) and arranged at intervals, one end of the lower reinforcing inclined plate (47) far away from the support plate (41) and one end of the lower stabilizing plate (45) far away from the support plate (41) are fixedly provided with lower connecting plates (46) parallel to the support plate (41) and arranged, the joint of the upper connecting plate (43) and the upper stabilizing plate (42) and the joint of the upper stabilizing plate (42) and the supporting plate (41) are arranged in a chamfer shape, the joint of the lower connecting plate (46) and the lower stabilizing plate (45) and the joint of the lower stabilizing plate (45) and the supporting plate (41) are arranged in a chamfer shape, the upper stabilizing plate (42) and the lower stabilizing plate (45) are positioned on the same side of the supporting plate (41), an auxiliary supporting plate (48) which is parallel to the supporting plate (41) and is arranged at intervals is fixedly arranged between the upper reinforced inclined plate (44) and the lower reinforced inclined plate (47), the upper stabilizing plate (42) and the upper wing plate (31) are welded, one end of the upper reinforcing inclined plate (44) far away from the upper connecting plate (43) is welded on the side surface of the supporting plate (41), the lower stabilizing plate (45) and the lower wing plate (32) are welded, and one end, far away from the lower connecting plate (46), of the lower inclined reinforcing plate (47) is welded on the side face of the supporting plate (41).
2. A semitrailer girder according to claim 1, characterised in that: the two ends of the upper reinforced inclined plate (44) are positioned at the two sides of the auxiliary supporting plate (48).
3. A semitrailer girder according to claim 1, characterised in that: the side surface of the web plate (33) is provided with a row of through holes (331) arranged in an I shape along the length direction of the web plate, and the side surface of the web plate (33) of the connecting section (12) is provided with a plurality of lightening holes (332) above the through holes (331).
4. The utility model provides a vehicle underframe which characterized in that: the semi-trailer girder connecting section comprises two semi-trailer girders and a positioning plate, the two semi-trailer girders are symmetrically arranged according to any one of claims 1 to 3, the positioning plate is arranged between the two semi-trailer girders, a supporting plate (41) of a web plate (33) of a semi-trailer girder connecting section (12) and a supporting plate (41) of a web plate (33) of a semi-trailer girder main body section (11) are arranged close to the positioning plate, the positioning plate comprises a plurality of first positioning plates (21) arranged between the two semi-trailer girder connecting sections (12) at intervals along the length direction of the semi-trailer girders and a plurality of second positioning plates (22) arranged between the two semi-trailer girder main body sections (11) at intervals along the length direction of the semi-trailer girders, two ends of each first positioning plate (21) extend into the web plate (33) of the connecting section (12), the web plate (33) of the connecting section (12) is provided with first, the two ends of the second positioning plate (22) extend into the main body section (11) web (33), the main body section (11) web (33) is provided with second welding holes matched with the second positioning plate (22), the first positioning plate (21) comprises a positioning main plate (211) with an I-shaped cross section, and two plug-in boards (212) which are fixedly arranged at the two ends of the positioning main plate (211) and extend along the length direction of the positioning main plate (211), one ends, far away from the positioning main plate (211), of the plug-in boards (212) penetrate through the first welding holes to be located inside the web (33) of the connecting section (12), one ends, far away from the positioning main plate (211), of the plug-in boards (212) penetrate through the supporting plate (41) and the auxiliary supporting plate (48) to be abutted, and the end faces, along the length direction, of the positioning main plate (211) are abutted to the supporting plate (41).
5. The vehicle chassis of claim 4, characterized in that: the first positioning plate (21) and the second positioning plate (22) are identical in structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811089148.1A CN109131581B (en) | 2018-09-18 | 2018-09-18 | Semitrailer girder and vehicle underframe with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811089148.1A CN109131581B (en) | 2018-09-18 | 2018-09-18 | Semitrailer girder and vehicle underframe with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109131581A CN109131581A (en) | 2019-01-04 |
| CN109131581B true CN109131581B (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811089148.1A Expired - Fee Related CN109131581B (en) | 2018-09-18 | 2018-09-18 | Semitrailer girder and vehicle underframe with same |
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| CN (1) | CN109131581B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109733480A (en) * | 2019-01-16 | 2019-05-10 | 河北鹏达专用汽车有限公司 | A kind of stable semitrailer chassis and its welding procedure |
| CN113371068B (en) * | 2021-07-30 | 2023-05-02 | 重庆华川九州专用汽车有限公司 | Semitrailer frame with high torsional rigidity and bending strength |
| CN114852177B (en) * | 2022-06-09 | 2023-03-21 | 河北君宇广利专用汽车制造有限公司 | Reinforcing structure for improving overall strength of girder |
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| CN105604241A (en) * | 2015-12-24 | 2016-05-25 | 安徽伟宏钢结构集团股份有限公司 | Steel-structure reinforced beam for construction |
| CN205274303U (en) * | 2015-12-29 | 2016-06-01 | 胜狮货柜管理(上海)有限公司 | Top curb girder and container of container |
| CN206968779U (en) * | 2017-05-02 | 2018-02-06 | 梁山盛源专用车制造有限公司 | Semitrailer crossbeam and semitrailer |
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| Publication number | Publication date |
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| CN109131581A (en) | 2019-01-04 |
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