CN214607716U - Low flat-bed semi-trailer with telescopic frame - Google Patents
Low flat-bed semi-trailer with telescopic frame Download PDFInfo
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- CN214607716U CN214607716U CN202120188951.1U CN202120188951U CN214607716U CN 214607716 U CN214607716 U CN 214607716U CN 202120188951 U CN202120188951 U CN 202120188951U CN 214607716 U CN214607716 U CN 214607716U
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- extension
- sweep
- fixedly connected
- movable block
- jack
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Abstract
The utility model provides a low flat-bed semitrailer of frame telescopic relates to the semitrailer field. This frame telescopic hangs down flatbed, including the sweep, the extension groove has been seted up on the right side of sweep, the inside swing joint of extension groove has the movable block, the first spring of left side fixedly connected with of movable block, the left end of first spring and the left side inner wall fixed connection of extension groove, the right side fixedly connected with extension plate of movable block, first jack and the second jack that is linked together with the extension inslot portion are seted up to the upper surface of sweep. This low dull and stereotyped semitrailer of frame telescopic reaches to be convenient for to stretch out and draw back the frame through mutually supporting between first jack, first spring, extension tank, second jack, fixed pin, slot, movable block and the extension board, also is convenient for fix current frame length simultaneously, has solved current low dull and stereotyped semitrailer frame and is difficult for stretching out and drawing back to influence the problem of vehicle safety of traveling when no-load.
Description
Technical Field
The utility model relates to a semitrailer technical field specifically is a low flat-bed semitrailer of frame telescopic.
Background
The lower flatbed semi-trailer is generally used for transporting heavy-duty vehicles (such as tractors, buses, special-purpose vehicles and the like), rail vehicles, mining machines, forestry machines, engineering machines (such as excavators, bulldozers, loaders, pavers, cranes and the like) and other heavy-duty goods, the lower the gravity center of the lower the stability and the safety of the lower the capacity of transporting ultrahigh goods and passing overhead obstacles is, and the lower the capacity of transporting ultrahigh goods and passing overhead obstacles is, the frame of the existing lower flatbed semi-trailer is not easy to stretch out and draw back, so that the running safety of the vehicle in no-load is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low dull and stereotyped semitrailer of frame telescopic has solved current low dull and stereotyped semitrailer frame and has been difficult for stretching out and drawing back to influence the safe problem of vehicle travel when no-load.
Technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a frame telescopic hangs down flat-bed semitrailer, includes the sweep, the extension groove has been seted up on the right side of sweep, the inside swing joint of extension groove has the movable block, the first spring of left side fixedly connected with of movable block, the left end of first spring and the left side inner wall fixed connection of extension groove, the right side fixedly connected with of movable block extends the board, first jack and the second jack that is linked together with the extension inslot portion are seted up to the upper surface of sweep, the slot has been seted up to the upper surface of movable block, it has the fixed pin to peg graft between second jack and the slot.
Furthermore, the right side fixedly connected with swash plate of sweep, the lower surface of swash plate and the upper surface overlap joint of extension board.
Furthermore, a telescopic groove is formed in the right side of the vehicle plate, a second spring is fixedly connected to the left side of the telescopic groove, and a pushing block is fixedly connected to the right end of the second spring.
Furthermore, the right side of the pushing block is fixedly connected with a support rod, and the upper surface of the support rod is provided with a threaded hole communicated with the lower surface.
Furthermore, the internal thread of the threaded hole is connected with a bolt, the lower surface of the extension plate is provided with a threaded groove, and one end, far away from the threaded hole, of the bolt is connected with the internal thread of the threaded groove.
Furthermore, the right side of the sweep is fixedly connected with a threaded ring.
The utility model provides a low flat-bed semitrailer of frame telescopic. The method has the following beneficial effects:
1. this low dull and stereotyped semitrailer of frame telescopic reaches to be convenient for to stretch out and draw back the frame through mutually supporting between first jack, first spring, extension tank, second jack, fixed pin, slot, movable block and the extension board, also is convenient for fix current frame length simultaneously, has solved current low dull and stereotyped semitrailer frame and is difficult for stretching out and drawing back to influence the problem of vehicle safety of traveling when no-load.
2. This low flatbed semi-trailer of frame telescopic through the setting of swash plate, reaches to be convenient for open haulage vehicle to the sweep surface and parks, through thread groove, bolt, screw hole, vaulting pole, flexible groove, ejector pad, second spring and the cooperation between the screw ring, reaches to support for the extension board bottom that extends out for the extension board can not appear warping when transporting goods and influence safety of traveling.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the structure of the present invention.
The vehicle body frame comprises a vehicle plate 1, a first jack 2, a first spring 3, an extension groove 4, a second jack 5, a fixing pin 6, a slot 7, a moving block 8, a sloping plate 9, an extension plate 10, a thread groove 11, a bolt 12, a threaded hole 13, a support rod 14, a telescopic groove 15, a push block 16, a second spring 17 and a thread ring 18.
Detailed Description
As shown in fig. 1-2, the embodiment of the utility model provides a frame telescopic hangs down flat-bed semi-trailer, including sweep 1, extension 4 has been seted up on sweep 1's right side, the inside swing joint of extension 4 has movable block 8, the first spring 3 of left side fixedly connected with of movable block 8, the left end of first spring 3 and the left side inner wall fixed connection of extension 4, the right side fixedly connected with extension 10 of movable block 8, the right side fixedly connected with swash plate 9 of sweep 1, the lower surface of swash plate 9 and the upper surface overlap joint of extension 10, first jack 2 and the second jack 5 that are linked together with extension 4 inside are seted up to the upper surface of sweep 1, slot 7 has been seted up to the upper surface of movable block 8, it has fixed pin 6 to peg graft between second jack 5 and the slot 7.
Flexible groove 15 has been seted up on sweep 1's right side, flexible groove 15's left side fixedly connected with second spring 17, second spring 17's right-hand member fixedly connected with ejector pad 16, ejector pad 16's right side fixedly connected with vaulting pole 14, the screw hole 13 that is linked together with the lower surface is seted up to the upper surface of vaulting pole 14, the inside threaded connection of screw hole 13 has bolt 12, thread groove 11 has been seted up to the lower surface of extension board 10, the one end that screw hole 13 was kept away from to bolt 12 is connected with the inside screw thread of thread groove 11, the right side fixedly connected with screw ring 18 of sweep 1.
The working principle is as follows: the fixing pin 6 is pulled out of the inside of the first jack 2, the first spring 3 releases the elastic force to push the moving block 8 to move rightwards, the moving block 8 moves rightwards to push the extension plate 10 to extend outwards from the inside of the extension groove 4, then the fixing pin 6 is inserted downwards into the inside of the slot 7, the bolt 12 is screwed out of the inside of the threaded ring 18, the second spring 17 releases the elastic force to push the support rod 14 to extend outwards from the inside of the telescopic groove 15 through the push block 16, and then the bolt 12 is screwed upwards through the threaded hole 13, so that the bolt 12 is screwed into the inside of the threaded groove 11.
Claims (6)
1. The utility model provides a frame telescopic hangs down flatbed semitrailer, includes sweep (1), its characterized in that: extension groove (4) have been seted up on the right side of sweep (1), the inside swing joint of extension groove (4) has movable block (8), the first spring (3) of left side fixedly connected with of movable block (8), the left end of first spring (3) and the left side inner wall fixed connection of extension groove (4), the right side fixedly connected with extension plate (10) of movable block (8), first jack (2) and second jack (5) that are linked together with extension groove (4) inside are seted up to the upper surface of sweep (1), slot (7) have been seted up to the upper surface of movable block (8), it has fixed pin (6) to peg graft between second jack (5) and slot (7).
2. The low flatbed semi-trailer with the telescopic frame as claimed in claim 1, characterized in that: the right side fixedly connected with swash plate (9) of sweep (1), the lower surface of swash plate (9) and the upper surface overlap joint of extension board (10).
3. The low flatbed semi-trailer with the telescopic frame as claimed in claim 1, characterized in that: flexible groove (15) have been seted up on the right side of sweep (1), the left side fixedly connected with second spring (17) in flexible groove (15), the right-hand member fixedly connected with ejector pad (16) of second spring (17).
4. The low flatbed semi-trailer with the telescopic frame as claimed in claim 3, characterized in that: the right side of the push block (16) is fixedly connected with a support rod (14), and the upper surface of the support rod (14) is provided with a threaded hole (13) communicated with the lower surface.
5. The low flatbed semi-trailer with the telescopic frame as claimed in claim 4, characterized in that: the internal thread of screw hole (13) is connected with bolt (12), thread groove (11) have been seted up to the lower surface of extension board (10), the one end that screw hole (13) were kept away from in bolt (12) is connected with the internal thread of thread groove (11).
6. The low flatbed semi-trailer with the telescopic frame as claimed in claim 1, characterized in that: the right side of the sweep (1) is fixedly connected with a threaded ring (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120188951.1U CN214607716U (en) | 2021-01-25 | 2021-01-25 | Low flat-bed semi-trailer with telescopic frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120188951.1U CN214607716U (en) | 2021-01-25 | 2021-01-25 | Low flat-bed semi-trailer with telescopic frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214607716U true CN214607716U (en) | 2021-11-05 |
Family
ID=78438106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120188951.1U Active CN214607716U (en) | 2021-01-25 | 2021-01-25 | Low flat-bed semi-trailer with telescopic frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214607716U (en) |
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2021
- 2021-01-25 CN CN202120188951.1U patent/CN214607716U/en active Active
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