CN205256439U - Low flat -bed's retractable frame - Google Patents
Low flat -bed's retractable frame Download PDFInfo
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- CN205256439U CN205256439U CN201521104635.2U CN201521104635U CN205256439U CN 205256439 U CN205256439 U CN 205256439U CN 201521104635 U CN201521104635 U CN 201521104635U CN 205256439 U CN205256439 U CN 205256439U
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- vehicle frame
- fixing
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- assembly
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Abstract
The utility model relates to a semitrailer technical field, concretely relates to low flat -bed's retractable frame, its structure is including fixed frame Assembly, activity frame Assembly, roller device and be used for messenger's activity frame Assembly rear fixed locking device upwards in the front, roller device sets up in fixed frame Assembly and/or activity frame Assembly, its be used for supporting fixed frame Assembly and messenger's activity frame Assembly in the front the rear upwards for the removal of stretching out and drawing back of fixed frame Assembly. Compared with the prior art, the utility model discloses a whole frame length's scalable regulation, when the demand that need satisfy great charge capacity, the length that can prolong whole frame, when the conventionality is used, then shorten the length of whole frame to the various uses avoiding the vehicle overlength and cause are inconvenient, can satisfy the demand of different charge capacities, easy operation moreover, and convenient to use has reduced the manufacturing cost of frame.
Description
Technical field
The utility model relates to semitrailer technical field, is specifically related to a kind of Telescopic vehicle frame of low flat bed semi trailer.
Background technology
Low flat bed semi trailer is commonly used to transport heavy-duty car, rail vehicle, mine equipment, forestry machinery, engineering machinery and other heavily loaded goods, its center of gravity is low, stability and security good, transport overheight cargo and strong by the ability of crown obstacle, is more and more widely used. due to the size of the heavily loaded goods of needs transports, volume difference, in the time using low flat bed semi trailer to transport the larger heavily loaded goods of some volumes, often need to use the low flat bed semi trailer of widening or lengthen, but the current low flat bed semi trailer of widening or lengthening, just simply vehicle frame is extended and widens or lengthen, whole vehicle frame adopts and rigidly fixes formula structure, the gross vehicle length of this fixed body frame structure for automotive is fixed, maximum loading is limited to the length of vehicle, thereby cannot meet the transportation demand of different useful loads, can not effectively bring into play the transport advantage of low flat bed semi trailer. if but in order to meet compared with the demand of large useful load, the length of vehicle is arranged long, so not only manufacturing cost is high, uses inconveniently, and vehicle dimension meets standard-required cannot ensure conventional use time.
Summary of the invention
There is above-mentioned technical problem for prior art, the utility model provides a kind of Telescopic vehicle frame of a kind of low flat bed semi trailer that can meet different useful load demands, this Telescopic vehicle frame can be adjusted according to useful load the length of vehicle frame, and simple to operate, easy to use.
For achieving the above object, the utility model provides following technical scheme:
A kind of Telescopic vehicle frame of low flat bed semi trailer is provided, comprise fixing frame assembly, also comprising can be from fixing frame assembly forward or the movable carriage assembly of telescopic moving backwards, roller devices and for making movable carriage assembly fixing locking device on fore-and-aft direction;
Roller devices is arranged at fixing frame assembly and/or movable carriage assembly, and it is for supporting fixing frame assembly and making the movable carriage assembly can be with respect to fixing frame assembly telescopic moving on fore-and-aft direction.
Wherein, described fixing frame assembly comprises that gooseneck type fixes vehicle frame, the fixing vehicle frame of described gooseneck type comprises the front fixing vehicle frame being extended forward by gooseneck place and the rear fixing vehicle frame being extended back by gooseneck place, and described rear fixing vehicle frame comprises two fixing longitudinal beams that are oppositely arranged and is fixed on the multiple fixing frame cross between described two fixing longitudinal beams;
Described movable carriage assembly comprises two movable carriage longerons that are oppositely arranged and is fixed on the multiple movable carriage crossbeams between described two movable carriage longerons.
Wherein, described fixing longitudinal beam and described movable carriage longeron the two, one of them distributes and is provided with multiple lock pin hole clippings on its length direction, another is provided with the lock pin through hole matching with described multiple lock pin hole clippings, and the described lock pin hole clipping that described lock pin through hole is corresponding with it will fix frame assembly by locking device and movable carriage assembly is locked.
Wherein, described locking device comprises and is fixed on the piston cylinder of described movable carriage longeron, piston, the piston rod that can wear described lock pin through hole and described lock pin hole clipping, the Compress Spring that is sheathed on described piston rod and driving mechanism, one end of described piston rod is connected with described piston, and the other end of described piston cylinder drives and is connected with described driving mechanism; Described driving mechanism is by promoting piston rod and then driving piston to make it be arranged in described lock pin through hole and described lock pin hole clipping and will fix frame assembly and movable carriage assembly is locked.
Wherein, described driving mechanism comprises single chamber braking chamber, push rod, lever and lever fixed head, described lever is connected with described piston cylinder by described lever fixed head, one end of described push rod is connected with the venthole of described single chamber braking chamber, and the air admission hole of described single chamber braking chamber is communicated with compressed gas source by pipeline;
Described lever comprises two ends and is arranged at the balance pivot between described two ends, and two ends of described lever are fixedly connected with the other end of described piston rod and described push rod respectively, described balance pivot and the pivot joint of described lever fixed head.
Wherein, on the connecting line between described single chamber braking chamber and described compressed gas source, be provided with control valve.
Wherein, described fixing longitudinal beam and described movable carriage longeron are I shape steel plate, it comprise upper flange and the lower wing plate being oppositely arranged and be fixed on upper flange and lower wing plate between web.
Wherein, described multiple lock pin hole clipping and described lock pin through hole are arranged at respectively the web of described fixing longitudinal beam and described movable carriage longeron.
Wherein, described roller devices comprises the first roller devices and the second roller devices, the first roller devices and the second roller devices include roller, described the first roller devices is secured by bolts in the bottom of the lower wing plate of described fixing longitudinal beam, and described the second roller devices is secured by bolts in the web of described movable carriage longeron.
Wherein, the junction of described front fixing vehicle frame and described rear fixing vehicle frame is provided with lifting landing leg, and described movable carriage assembly and described fixing frame assembly are provided with reinforcement.
The beneficial effects of the utility model:
The Telescopic vehicle frame of a kind of low flat bed semi trailer of the present utility model, comprise fixing frame assembly, movable carriage assembly, roller devices and for making movable carriage assembly fixing locking device on fore-and-aft direction, roller devices is arranged at fixing frame assembly and/or movable carriage assembly, its for support fixing frame assembly and make movable carriage assembly on fore-and-aft direction with respect to fixing frame assembly telescopic moving. Compared with prior art, the utility model makes movable carriage assembly with respect to fixing frame assembly Telescopic movable on fore-and-aft direction by roller devices, by locking device, movable carriage assembly is locked again, thereby the scalable adjusting of the length that realizes whole vehicle frame, in the time that needs meet the demand of larger useful load, the length that can extend whole vehicle frame; In the time that routine is used, shorten the length of whole vehicle frame, to avoid vehicle various uses long and that cause inconvenient, therefore, Telescopic vehicle frame structure of the present utility model can meet the demand of different useful loads, and simple to operate, easy to use, reduce the manufacturing cost of vehicle frame.
Brief description of the drawings
Fig. 1 is the structural representation of the Telescopic vehicle frame of a kind of low flat bed semi trailer of the present utility model.
Fig. 2 is the structural representation of the fixing frame assembly of the Telescopic vehicle frame of a kind of low flat bed semi trailer of the present utility model.
Fig. 3 is the structural representation of the movable carriage assembly of the Telescopic vehicle frame of a kind of low flat bed semi trailer of the present utility model.
Fig. 4 is the use view of the first roller devices of the Telescopic vehicle frame of a kind of low flat bed semi trailer of the present utility model.
Fig. 5 is the use view of the second roller devices of the Telescopic vehicle frame of a kind of low flat bed semi trailer of the present utility model.
Fig. 6 is the locking device of Telescopic vehicle frame of a kind of low flat bed semi trailer of the present utility model structural representation in locking state.
Fig. 7 is the locking device of Telescopic vehicle frame of a kind of low flat bed semi trailer of the present utility model structural representation in released state.
Fig. 8 is the control principle schematic diagram of the driving mechanism of the locking device of the Telescopic vehicle frame of a kind of low flat bed semi trailer of the present utility model.
Fig. 9 is the first use view of the Telescopic vehicle frame of a kind of low flat bed semi trailer of the present utility model.
Figure 10 is the second use view of the Telescopic vehicle frame of a kind of low flat bed semi trailer of the present utility model.
Figure 11 is the 3rd use view of the Telescopic vehicle frame of a kind of low flat bed semi trailer of the present utility model.
Reference numeral:
Fixing frame assembly 1, front fixing vehicle frame 11;
Rear fixing vehicle frame 12, fixing longitudinal beam 121, the first upper flange 1211, the first lower wing plate 1212, the first web 1213;
Fixing frame cross 122, web beam 123, container tapered end fixed cross beam 124;
Movable carriage assembly 2, movable carriage longeron 21, the second upper flange 211, the second lower wing plate 212, the second web 213, movable carriage crossbeam 22, side vehicle frame 23, limit longeron 231, limit crossbeam 232;
Roller devices 3, the first roller devices 31, roller 311, the second roller devices 32;
Locking device 4, piston cylinder 41, piston 42, piston rod 43, Compress Spring 44, single chamber braking chamber 45, push rod 46, lever 47, balance pivot 471, lever fixed head 48, compressed gas source 49;
Lock pin hole clipping 5, lock pin through hole 6, container tapered end 7, bolt hole 8, control valve 9, lifting landing leg 10;
Container 100, variable cross-section 200.
Detailed description of the invention
Below in conjunction with specific embodiment and accompanying drawing, the utility model is elaborated.
The Telescopic vehicle frame of a kind of low flat bed semi trailer of the present embodiment, as shown in Figure 1, comprise fixing frame assembly 1, movable carriage assembly 2, roller devices 3 and for will fixing frame assembly 1 and the fixing locking device 4 of movable carriage assembly 2, roller devices 3 is arranged at fixing frame assembly 1 and movable carriage assembly 2, and it is for supporting fixing frame assembly 1 and making the movable carriage assembly 2 can be with respect to fixing frame assembly 1 telescopic moving on fore-and-aft direction.
As shown in Figure 2, fixing frame assembly 1 comprises that gooseneck type fix vehicle frame, and gooseneck type is fixed vehicle frame and comprised the front fixing vehicle frame 11 being extended forward by gooseneck place and the rear fixing vehicle frame 12 being extended back by gooseneck place.
Rear fixing vehicle frame 12 comprises two fixing longitudinal beams 121 that are oppositely arranged and is fixed on the multiple fixing frame cross 122 between two fixing longitudinal beams 121. Fixing longitudinal beam 121 is I shape steel plate, and it comprises that the first upper flange 1211 of being oppositely arranged and the two ends of the first lower wing plate 1212 and the first web 1213, the first webs 1213 weld with the first upper flange 1211 and the first lower wing plate 1212 respectively. The first web 1213 is spaced apart on its length direction is provided with multiple lock pin hole clippings 5, and lock pin hole clipping 5 is for clamping fixing and locking device 4.
Fixing frame cross 122 is made by channel-section steel, and its length direction along fixing longitudinal beam 121 is arranged one every a segment distance, and the two ends of fixing frame cross 122 are welded on the first web 1213. The web beam 123 of two arranged crosswise is set between adjacent fixing frame cross 122, web beam 123 is made by angle steel, its two ends are welded in cross-beam connecting plate, cross-beam connecting plate is made by steel plate and is welded with the end of the first web 1213 and fixing frame cross 122 respectively, the web beam connecting plate that the cross part of two web beams 123 adopts steel plate to make couples together, and structure is played to booster action.
Before fixing vehicle frame 11 and fix afterwards vehicle frame 12 and the junction of front fixing vehicle frame 11 is provided with the container tapered end fixed cross beam 124 of being made up of H structural section, container tapered end fixed cross beam 124 is provided with the container tapered end 7 of fixed set vanning. Front fixing vehicle frame 11 is also provided with traction seat fixed head and rope holder.
What what the forward and backward orientation in the front-end and back-end of following mentioned fixing vehicle frame and movable carriage all defined was on vehicle heading is forward and backward.
According to vehicle heading, the rear end (referring to Fig. 2) of fixing longitudinal beam 121 is designed with one section of variable cross-section 200, narrow and increase with the spacing on ground in the spacing of two fixing longitudinal beams 121 at these variable cross-section 200 places, and variable cross-section 200 apart from the height point place on ground the first lower wing plate 1212 on offer bolt hole 8, for roller devices 3 is installed. Variable cross-section 200 places the first lower wing plate 1212 and the first lower wing plate 1212 of other positions between difference in height determine according to the size of roller devices 3. The rear end that fixing longitudinal beam 121 is convenient in the design of this variable cross-section 200 can slip into movable carriage assembly 2 easily. The inside and outside both side surface that is positioned at first web 1213 at variable cross-section 200 places is all welded with the longeron reinforcement of being made up of channel-section steel, thereby structure is played to booster action.
As shown in Figure 3, movable carriage assembly 2 comprises two movable carriage longerons 21 that are oppositely arranged and is fixed on the multiple movable carriage crossbeams 22 between two movable carriage longerons 21.
Movable carriage longeron 21 is I shape steel plate, and it comprises that the second upper flange 211 of being oppositely arranged and the two ends of the second lower wing plate 212 and the second web 213, the second webs 213 weld with the second upper flange 211 and the second lower wing plate 212 respectively. The second web 213 is provided with lock pin through hole 6 near the position of front end, when movable carriage assembly 2 is with respect to fixing frame assembly 1 telescopic moving during to certain position, locking device 4 coordinates with a corresponding lock pin hole clipping 5 by lock pin through hole 6 and will fix frame assembly 1 and movable carriage assembly 2 be locked (seeing Fig. 4 and Fig. 5).
Movable carriage crossbeam 22 is made by channel-section steel, and it is close to and is welded in the second upper flange 211, arranges a movable carriage crossbeam 22 along the length direction of movable carriage longeron 21 every a segment distance.
The outside of two movable carriage longerons 21 is all extended and is provided with side vehicle frame 23, and side vehicle frame 23 comprises limit longeron 231 and multiple limits crossbeam 232, and limit longeron 231 is connected with the second web 213 by limit crossbeam 232. On limit longeron 231, be provided with container tapered end 7.
The front-end and back-end of the second web 213, the position of the second web 213 corresponding sides crossbeams 232 are provided with reinforcement. The second web 213 offers the bolt hole 8 for roller devices 3 is installed near the position of front end.
As shown in Figure 4 and Figure 5, roller devices 3 comprises the first roller devices 31 and the second roller devices 32, the first roller devices 31 is secured by bolts in the bottom of the first lower wing plate 1212 of the rear end that is positioned at fixing longitudinal beam 121, and the second roller devices 32 is secured by bolts on the second web 213 that is positioned near the position of movable carriage longeron 21 front ends. The first roller devices 31 and the second roller devices 32 include roller 311 and roller installing plate, and roller installing plate adopts high-strength steel sheet to make, and improves the mechanical strength of whole roller devices. When movable carriage assembly 2 is during with respect to fixing frame assembly 1 telescopic moving, the roller 311 of the second roller devices 32 is in the upper surface rolling (see figure 4) of the first lower wing plate 1212 of fixing longitudinal beam 121, and the roller 311 of the first roller devices 31 is in the upper surface rolling (see figure 5) of the second lower wing plate 212 of movable carriage longeron 21. Because the total length of fixing longitudinal beam 121 and movable carriage longeron 21 is very long, when the two is retractable to certain position relatively, the first roller devices 31 is positioned at the rear end of fixing longitudinal beam 121, and the second roller devices 32 is positioned at the front end of movable carriage longeron 21, such the first roller devices 31 and the second roller devices 32 will be positioned at the two end supports of the fixing longitudinal beam 121 on movable carriage longeron 21 respectively, thereby also play the effect of supporting fixing frame assembly 1.
As shown in Figure 6 to 8, locking device 4 comprises the Compress Spring 44 and the driving mechanism that are fixed on the piston cylinder 41 of movable carriage longeron 21, the piston 42 that can wear lock pin through hole 6 and lock pin hole clipping 5, piston rod 43, are sheathed on piston rod 43, and one end of piston rod 43 is connected with piston 42. Driving mechanism comprises single chamber braking chamber 45, push rod 46, lever 47 and lever fixed head 48, lever 47 is connected with piston cylinder 41 by lever fixed head 48, the venthole of Yu Dan chamber, one end braking chamber 45 of push rod 46 connects, and the air admission hole of single chamber braking chamber 45 is communicated with compressed gas source 49 by pipeline. Lever 47 comprises two ends and is arranged at two balance pivots 471 between end, and two ends of lever 47 are fixedly connected with the other end of push rod 46 with piston rod 43 respectively, balance pivot 471 and 48 pivot joints of lever fixed head.
On connecting line between single chamber braking chamber 45 and compressed gas source 49, be provided with control valve 9, control the air inlet of single chamber braking chamber 45 or give vent to anger by control valve 9, thus the flexible state of control push rod 46.
Concrete, compressed gas source 49 is gas receiver, gas receiver is installed on fixing frame assembly 1.
Concrete, control valve 9 is two-bit triplet hand control valve 9.
The operation principle of locking device 4 is as follows:
In the time that single chamber braking chamber 45 is given vent to anger, push rod 46 is retracted backward, and effect by balance pivot 471 drives piston rod 43 and piston 42 to travel forward, make piston 42 be arranged in lock pin through hole 6 and lock pin hole clipping 5, thereby by movable carriage assembly 2 and fixing frame assembly 1 (see figure 6) that is locked; In the time of 45 air inlet of single chamber braking chamber, push rod 46 is released forward, and drive piston rod 43 and piston 42 to move backward by the effect of balance pivot 471, make piston 42 depart from lock pin through hole 6 and lock pin hole clipping 5, thereby make the locking state of movable carriage assembly 2 and fixing frame assembly 1 remove (see figure 7).
In the present embodiment, as shown in Figure 1, the junction of front fixing vehicle frame 11 and rear fixing vehicle frame 12 is provided with lifting landing leg 10, plays the effect of support. When less the making of length of the container 100 loading, when the conventional use of whole vehicle frame, movable carriage assembly is fixed to frame assembly telescopic moving relatively to ultimate range, thereby the length of whole vehicle frame is contracted to the shortest (see figure 9), one end on container 100 can be fixed on front fixing vehicle frame 11, the remainder of container 100 is fixed on movable carriage assembly 2. On movable carriage assembly 2, be provided with lifting landing leg 10(and see Fig. 9 and Figure 11), play the effect of further support set vanning 100, can further increase the useful load of whole vehicle frame.
Compared with prior art, Telescopic vehicle frame of the present utility model, make movable carriage assembly 2 with respect to fixing frame assembly 1 Telescopic movable on fore-and-aft direction by roller devices 3, make movable carriage assembly 2 fixing with fixing frame assembly 1 by locking device 4 again, thereby the scalable adjusting of the length that realizes whole vehicle frame, in the time that needs meet the demand of larger useful load, the length (as shown in Figure 10 and Figure 11) that can extend whole vehicle frame; In the time that routine is used, shorten the length (as shown in Figure 9) of whole vehicle frame, to avoid vehicle various uses long and that cause inconvenient, therefore, Telescopic vehicle frame structure of the present utility model can meet the demand of different useful loads, and simple to operate, easy to use, reduce the manufacturing cost of vehicle frame.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not restriction to the utility model protection domain; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model, and not depart from essence and the scope of technical solutions of the utility model.
Claims (10)
1. the Telescopic vehicle frame of a low flat bed semi trailer, comprise fixing frame assembly, it is characterized in that: also comprising can be from fixing frame assembly forward or the movable carriage assembly of telescopic moving backwards, roller devices and for making movable carriage assembly fixing locking device on fore-and-aft direction;
Roller devices is arranged at fixing frame assembly and/or movable carriage assembly, and it is for supporting fixing frame assembly and making the movable carriage assembly can be with respect to fixing frame assembly telescopic moving on fore-and-aft direction.
2. the Telescopic vehicle frame of a kind of low flat bed semi trailer according to claim 1, it is characterized in that: described fixing frame assembly comprises that gooseneck type fixes vehicle frame, the fixing vehicle frame of described gooseneck type comprises the front fixing vehicle frame being extended forward by gooseneck place and the rear fixing vehicle frame being extended back by gooseneck place, and described rear fixing vehicle frame comprises two fixing longitudinal beams that are oppositely arranged and is fixed on the multiple fixing frame cross between described two fixing longitudinal beams;
Described movable carriage assembly comprises two movable carriage longerons that are oppositely arranged and is fixed on the multiple movable carriage crossbeams between described two movable carriage longerons.
3. the Telescopic vehicle frame of a kind of low flat bed semi trailer according to claim 2, it is characterized in that: described fixing longitudinal beam and described movable carriage longeron the two, one of them distributes and is provided with multiple lock pin hole clippings on its length direction, another is provided with the lock pin through hole matching with described multiple lock pin hole clippings, and the described lock pin hole clipping that described lock pin through hole is corresponding with it will fix frame assembly by locking device and movable carriage assembly is locked.
4. the Telescopic vehicle frame of a kind of low flat bed semi trailer according to claim 3, it is characterized in that: described locking device comprises and is fixed on the piston cylinder of described movable carriage longeron, piston, the piston rod that can wear described lock pin through hole and described lock pin hole clipping, the Compress Spring that is sheathed on described piston rod and driving mechanism, one end of described piston rod is connected with described piston, and the other end of described piston cylinder drives and is connected with described driving mechanism; Described driving mechanism is by promoting piston rod and then driving piston to make it be arranged in described lock pin through hole and described lock pin hole clipping and will fix frame assembly and movable carriage assembly is locked.
5. the Telescopic vehicle frame of a kind of low flat bed semi trailer according to claim 4, it is characterized in that: described driving mechanism comprises single chamber braking chamber, push rod, lever and lever fixed head, described lever is connected with described piston cylinder by described lever fixed head, one end of described push rod is connected with the venthole of described single chamber braking chamber, and the air admission hole of described single chamber braking chamber is communicated with compressed gas source by pipeline;
Described lever comprises two ends and is arranged at the balance pivot between described two ends, and two ends of described lever are fixedly connected with the other end of described piston rod and described push rod respectively, described balance pivot and the pivot joint of described lever fixed head.
6. the Telescopic vehicle frame of a kind of low flat bed semi trailer according to claim 5, is characterized in that: on the connecting line between described single chamber braking chamber and described compressed gas source, be provided with control valve.
7. the Telescopic vehicle frame of a kind of low flat bed semi trailer according to claim 3, it is characterized in that: described fixing longitudinal beam and described movable carriage longeron are I shape steel plate, it comprise upper flange and the lower wing plate being oppositely arranged and be fixed on upper flange and lower wing plate between web.
8. the Telescopic vehicle frame of a kind of low flat bed semi trailer according to claim 7, is characterized in that: described multiple lock pin hole clippings and described lock pin through hole are arranged at respectively the web of described fixing longitudinal beam and described movable carriage longeron.
9. the Telescopic vehicle frame of a kind of low flat bed semi trailer according to claim 7, it is characterized in that: described roller devices comprises the first roller devices and the second roller devices, the first roller devices and the second roller devices include roller, described the first roller devices is secured by bolts in the bottom of the lower wing plate of described fixing longitudinal beam, and described the second roller devices is secured by bolts in the web of described movable carriage longeron.
10. the Telescopic vehicle frame of a kind of low flat bed semi trailer according to claim 2, it is characterized in that: the junction of described front fixing vehicle frame and described rear fixing vehicle frame is provided with lifting landing leg, described movable carriage assembly and described fixing frame assembly are provided with reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521104635.2U CN205256439U (en) | 2015-12-28 | 2015-12-28 | Low flat -bed's retractable frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521104635.2U CN205256439U (en) | 2015-12-28 | 2015-12-28 | Low flat -bed's retractable frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205256439U true CN205256439U (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521104635.2U Active CN205256439U (en) | 2015-12-28 | 2015-12-28 | Low flat -bed's retractable frame |
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| Country | Link |
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| CN (1) | CN205256439U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416402A (en) * | 2015-12-28 | 2016-03-23 | 东莞市永强汽车制造有限公司 | Retractable frame for low flat-bed semitrailer |
| CN112224284A (en) * | 2020-10-24 | 2021-01-15 | 安徽思诺物流装备有限公司 | Semitrailer longitudinal beam and semitrailer thereof |
-
2015
- 2015-12-28 CN CN201521104635.2U patent/CN205256439U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416402A (en) * | 2015-12-28 | 2016-03-23 | 东莞市永强汽车制造有限公司 | Retractable frame for low flat-bed semitrailer |
| CN105416402B (en) * | 2015-12-28 | 2018-05-08 | 东莞市永强汽车制造有限公司 | A kind of Telescopic vehicle frame of low flat bed semi trailer |
| CN112224284A (en) * | 2020-10-24 | 2021-01-15 | 安徽思诺物流装备有限公司 | Semitrailer longitudinal beam and semitrailer thereof |
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