CN211196368U - Width-adjustable frame of low-flat-bed semitrailer - Google Patents
Width-adjustable frame of low-flat-bed semitrailer Download PDFInfo
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- CN211196368U CN211196368U CN201921807858.3U CN201921807858U CN211196368U CN 211196368 U CN211196368 U CN 211196368U CN 201921807858 U CN201921807858 U CN 201921807858U CN 211196368 U CN211196368 U CN 211196368U
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- gooseneck
- wheel carrier
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Abstract
The utility model discloses a low flatbed's adjustable width frame, it is installed between low flatbed's gooseneck and wheel carrier, its characterized in that: including installing the widening frame in gooseneck and wheel carrier both sides and installing the actuating mechanism on gooseneck and wheel carrier, both ends lateral sliding is in gooseneck and wheel carrier respectively around widening the frame, actuating mechanism drives two and widens frame relative or back of the body removal mutually, the utility model discloses the advantage compared with prior art lies in: the two ends of the widening frame transversely slide on the gooseneck and the wheel carrier, the structure is simple and easy to adjust, the bearing capacity is high, loading of wide goods is guaranteed, the driving mechanism drives the widening frame to move, the operation is simple and convenient, and the frame width adjusting efficiency is improved.
Description
Technical Field
The utility model relates to a semitrailer technical field specifically indicates a width-adjustable frame of low flatbed semitrailer.
Background
Low flatbed semi-trailers are commonly used to transport heavy vehicles, rail vehicles, mining machinery, forestry machinery, engineering machinery and other heavy-duty cargo, the lower the center of gravity, the better the stability and safety, and the stronger the ability to transport ultra-high cargo and pass overhead obstacles. The low flatbed semi-trailer usually adopts the concave beam formula frame, and the frame anterior segment is the gooseneck, and the middle section is the goods platform, and the back end is the wheel carrier, and wherein the width of goods platform is usually about 3 meters, and when loading the goods of broad, the goods platform of relative narrower just can not bear, if through fixed widening the frame in the both sides of frame, can cause the inconvenience to the travel of vehicle when empty, therefore it is necessary to improve.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a width-adjustable frame of low flat-bed semitrailer easy operation, stability are good.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a width adjustable frame of low flatbed semi-trailer, its installs between the gooseneck and the wheel carrier of low flatbed semi-trailer, including installing the widening frame in gooseneck and wheel carrier both sides and installing the actuating mechanism on gooseneck and wheel carrier, both ends lateral sliding is in gooseneck and wheel carrier respectively around widening the frame, actuating mechanism drives two and widens frame and move relatively or back on the back mutually.
The widening frame comprises a widening longitudinal beam, a first widening transverse beam and a second widening transverse beam, the first widening transverse beam and the second widening transverse beam are vertically fixed at the front end and the rear end of the widening longitudinal beam, and the first widening transverse beam and the second widening transverse beam respectively transversely slide in the gooseneck and the wheel carrier.
The two widening frames are in central symmetry, and a first widening beam on one side of the gooseneck and the wheel carrier is slidably sleeved on a second widening beam on the other side of the gooseneck and the wheel carrier.
The widening frame further comprises a plurality of telescopic cross beams, the telescopic cross beams are evenly arranged along the longitudinal direction of the widening frame, two ends of each telescopic cross beam are respectively fixed on the inner side surfaces of the two widening longitudinal beams, each telescopic cross beam is composed of a first cross beam and a second cross beam, and the first cross beams are slidably sleeved on the second cross beams.
The driving mechanism comprises two hydraulic oil cylinders, and piston rod ends of the two hydraulic oil cylinders are respectively connected with the inner side surfaces of the two widening frames.
The outer side of the widening frame is fixedly provided with a plurality of warning lamps which are uniformly arranged along the longitudinal direction of the widening frame.
After the structure is adopted, compared with the prior art, the utility model the advantage that has is: the width-adjustable frame of the low-flat-bed semi-trailer comprises a widening frame, a driving mechanism and the like, the two ends of the widening frame transversely slide on the gooseneck and the wheel carrier, the width-adjustable frame is simple in structure, easy to adjust and high in bearing capacity, loading of wide cargos is guaranteed, the driving mechanism drives the widening frame to move, operation is simple and convenient, and frame width adjusting efficiency is improved.
Drawings
Fig. 1 is a schematic view of the overlooking structure of the width-adjustable frame of the low-flat-bed semitrailer.
Fig. 2 is a schematic view of the overlooking structure of the narrow-adjustable frame of the low-flat-bed semitrailer.
Fig. 3 is a front view structure diagram of the gooseneck in the width-adjustable frame of the low-flat-bed semitrailer.
Fig. 4 is a schematic structural view of the width-adjustable frame of the low-flat-bed semitrailer in the gooseneck.
As shown in the figure: 1. gooseneck, 2, wheel carrier, 3, widen the frame, 4, actuating mechanism, 5, widen longeron, 6, first crossbeam of widening, 7, the crossbeam is widened to the second, 8, telescopic beam, 9, first crossbeam, 10, second crossbeam, 11, hydraulic cylinder, 12, warning light.
Detailed Description
The following description is only for the preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, the present invention will be further explained with reference to the drawings and the embodiments.
Examples, see fig. 1-4:
the width-adjustable frame of the low flat-bed semi-trailer is arranged between a gooseneck 1 and a wheel carrier 2 of the low flat-bed semi-trailer, the front section of the low flat-bed semi-trailer is the gooseneck 1, the rear section of the low flat-bed semi-trailer is the wheel carrier 2, the width-adjustable frame is positioned between the gooseneck 1 and the wheel carrier 2, the width-adjustable frame comprises widening frames 3 arranged at two sides of the gooseneck 1 and the wheel carrier 2 and a driving mechanism 4 arranged on the gooseneck 1 and the wheel carrier 2, the front end and the rear end of each widening frame 3 respectively slide in the gooseneck 1 and the wheel carrier 2 in a transverse mode, the two widening frames 3 move relatively to realize width reduction of the frame, the,
wherein, the structure of the widening frame 3 can be an F-shaped structure or a U-shaped structure, and in particular, the widening frame 3 includes a widening longitudinal beam 5, a first widening transverse beam 6 and a second widening transverse beam 7, the first widening transverse beam 6 and the second widening transverse beam 7 are vertically fixed at the front end and the rear end of the widening longitudinal beam 5, the first widening transverse beam 6 and the second widening transverse beam 7 can be fixed on the widening longitudinal beam 5 by welding, bolting, etc., the widening longitudinal beam 5, the first widening transverse beam 6 and the second widening transverse beam 7 form a U-shaped structure, the first widening transverse beam 6 and the second widening transverse beam 7 respectively slide in the gooseneck 1 and the wheel carrier 2, guide rails are fixed on the outer end faces of the first widening transverse beam 6 and the second widening transverse beam 7, tracks are arranged in the gooseneck 1 and the wheel carrier 2, the first widening transverse beam 6 and the second widening transverse beam 7 respectively realize the movement in the gooseneck 1 and the wheel carrier 2 by the cooperation of the guide rails and the tracks, wherein, the first widened beam 6 and the second widened beam 7 are respectively connected with the gooseneck 1 and the wheel carrier 2, and limit parts such as limit blocks are arranged between the first widened beam and the second widened beam to avoid the falling off of the widened frame 3,
wherein, in order to ensure the larger moving distance of the widened longitudinal beam 5 and the stability during moving, further, two widened frames 3 are in central symmetry, the symmetry center is positioned on the longitudinal symmetry axis between the gooseneck 1 and the wheel carrier 2, the first widened beam 6 at one side of the gooseneck 1 and the wheel carrier 2 is slidably sleeved on the second widened beam 7 at the other side of the gooseneck 1 and the wheel carrier 2, the inner end surface of the first widened beam 6 is provided with a track, the sliding connection between the first widened beam 6 and the second widened beam 7 is realized through the matching of the track and the guide rail on the second widened beam 7, and the frame can be adjusted to a larger width,
in order to improve the stability of the widened frame 3 during movement, the widened frame 3 further comprises a plurality of telescopic cross beams 8, the telescopic cross beams 8 are arranged uniformly along the longitudinal direction of the widened frame 3, two ends of each telescopic cross beam 8 are fixed on the inner side surfaces of the two widened longitudinal beams 5 respectively, the upper end surfaces of the telescopic cross beams 8 are parallel and level with the upper end surfaces of the widened frame 3, each telescopic cross beam 8 comprises a first cross beam 9 and a second cross beam 10, the first cross beams 9 are sleeved on the second cross beams 10 in a sliding mode, the second cross beams 10 and the first cross beams 9 can be in sliding connection through matching of guide rails and tracks, the telescopic cross beams 8 and the widened frame 3 form a whole frame, when the telescopic cross beams 8 are extended, the frame width is increased, when the frame width is shortened, the frame width is reduced, one end of the first cross beam 9, which is far away from the second cross beam 10, and one end of the second cross beam 10, which is, The connection with the widened longitudinal beam 5 is realized by welding, fixing and the like,
when the widening frame 3 moves, the warning function can be realized through parts such as warning lamps, fluorescent bars and the like, accidents are avoided, furthermore, a plurality of warning lamps 12 are fixedly arranged on the outer side surface of the widening frame 3, a groove is formed in the outer side surface of the widening frame 3, the warning lamps 12 are fixed in the groove through bolts and the like, the light emitting ends of the warning lamps 12 are positioned at the notches of the groove, the warning lamps 12 are uniformly arranged along the longitudinal direction of the widening frame 3, the opening and closing of the warning lamps 12 are synchronous with the opening and closing of the driving mechanism 4,
the driving mechanism 4 drives the two widening frames 3 to move oppositely or oppositely, the two groups of driving mechanisms 4 are respectively arranged on the gooseneck 1 and the wheel carrier 2, the two groups of driving mechanisms 4 synchronously act, the driving mechanism 4 is in transmission connection with the widening frames 3, the width adjustment of the vehicle frame is realized through the driving mechanism 4, the driving mechanism 4 can adopt a driving motor, and a speed reducer, a gear and a rack are matched with the driving motor, the two racks are adopted, the two racks are parallel to each other and are respectively and vertically fixed on the two widening frames 3, the gear is fixedly sleeved on an output shaft of the speed reducer and is meshed with the two racks, the output shaft of the driving motor is connected with an input shaft of the speed reducer through a coupler, the driving motor drives the speed reducer to rotate, and the speed reducer drives the two racks to move oppositely or oppositely, so that the two widening frames; meanwhile, the driving mechanism 4 can also adopt a hydraulic oil cylinder, specifically, the driving mechanism 4 comprises two hydraulic oil cylinders 11, the piston rod ends of the two hydraulic oil cylinders 11 are respectively connected with the inner side surfaces of the two widening frames 3, the two hydraulic oil cylinders 11 synchronously act, taking the driving mechanism 4 installed on the gooseneck 1 as an example, the cylinder barrel end of the hydraulic oil cylinder 11 is hinged on the rear end surface of the gooseneck 1, the piston rod end on the hydraulic oil cylinder 11 is hinged on the inner side surface of the widening frame 3, when the piston rod of the hydraulic oil cylinder 11 is completely retracted, the width of the frame is minimum, when the piston rod of the hydraulic oil cylinder 11 extends out, the width of the frame 1 is gradually increased, wherein, in order to enable the widening frame 3 to have a larger moving distance, the cylinder barrel end of the hydraulic oil cylinder 11 can be installed on the gooseneck 1 and.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (6)
1. The utility model provides a width adjustable frame of low flatbed semitrailer, its installs between gooseneck (1) and wheel carrier (2) of low flatbed semitrailer, its characterized in that: including installing widening frame (3) in gooseneck (1) and wheel carrier (2) both sides and installing actuating mechanism (4) on gooseneck (1) and wheel carrier (2), both ends lateral sliding is in gooseneck (1) and wheel carrier (2) respectively around widening frame (3), actuating mechanism (4) drive two and widen frame (3) and move relatively or back on the back mutually.
2. The width-adjustable frame of the low flatbed semi-trailer according to claim 1, characterized in that: widen frame (3) and widen crossbeam (7) including widening longeron (5), first crossbeam (6) and the second of widening, crossbeam (7) vertical fixation is widened at both ends around widening longeron (5) to first crossbeam (6) and the second of widening, just crossbeam (7) are widened to first crossbeam (6) and the second of widening respectively lateral sliding in gooseneck (1) and wheel carrier (2).
3. The width-adjustable frame of the low flatbed semi-trailer according to claim 2, characterized in that: the two widening frames (3) are in central symmetry, and a first widening crossbeam (6) on one side of the gooseneck (1) and the wheel carrier (2) is slidably sleeved on a second widening crossbeam (7) on the other side of the gooseneck (1) and the wheel carrier (2).
4. The width-adjustable frame of the low flatbed semi-trailer according to claim 2, characterized in that: the widening frame (3) further comprises a plurality of telescopic cross beams (8), the telescopic cross beams (8) are arranged along the longitudinal direction of the widening frame (3), two ends of each telescopic cross beam (8) are fixed on the inner side faces of the two widening longitudinal beams (5) respectively, each telescopic cross beam (8) is composed of a first cross beam (9) and a second cross beam (10), and the first cross beams (9) are sleeved on the second cross beams (10) in a sliding mode.
5. The width-adjustable frame of the low flatbed semi-trailer according to claim 1, characterized in that: the driving mechanism (4) comprises two hydraulic oil cylinders (11), and the piston rod ends of the two hydraulic oil cylinders (11) are respectively connected with the inner side surfaces of the two widening frames (3).
6. The width-adjustable frame of the low flatbed semi-trailer according to claim 1, characterized in that: the outer side surface of the widening frame (3) is fixedly provided with a plurality of warning lamps (12), and the warning lamps (12) are uniformly arranged along the longitudinal direction of the widening frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807858.3U CN211196368U (en) | 2019-10-25 | 2019-10-25 | Width-adjustable frame of low-flat-bed semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807858.3U CN211196368U (en) | 2019-10-25 | 2019-10-25 | Width-adjustable frame of low-flat-bed semitrailer |
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| CN211196368U true CN211196368U (en) | 2020-08-07 |
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| CN201921807858.3U Active CN211196368U (en) | 2019-10-25 | 2019-10-25 | Width-adjustable frame of low-flat-bed semitrailer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022087994A1 (en) * | 2020-10-29 | 2022-05-05 | 宁德时代新能源科技股份有限公司 | Chassis, vehicle, equipment for manufacturing vehicle, and method for manufacturing vehicle |
| CN114775380A (en) * | 2022-04-19 | 2022-07-22 | 交通运输部公路科学研究所 | Real-time automatic detection system and device for flatness of water-stable base layer of airport runway after construction |
-
2019
- 2019-10-25 CN CN201921807858.3U patent/CN211196368U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022087994A1 (en) * | 2020-10-29 | 2022-05-05 | 宁德时代新能源科技股份有限公司 | Chassis, vehicle, equipment for manufacturing vehicle, and method for manufacturing vehicle |
| CN114775380A (en) * | 2022-04-19 | 2022-07-22 | 交通运输部公路科学研究所 | Real-time automatic detection system and device for flatness of water-stable base layer of airport runway after construction |
| CN114775380B (en) * | 2022-04-19 | 2024-01-05 | 交通运输部公路科学研究所 | Real-time automatic detecting system and device for flatness of water stable base layer of airport runway after construction |
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