CN218400715U - Low flat-bed semi-trailer with telescopic frame - Google Patents
Low flat-bed semi-trailer with telescopic frame Download PDFInfo
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- CN218400715U CN218400715U CN202222660481.1U CN202222660481U CN218400715U CN 218400715 U CN218400715 U CN 218400715U CN 202222660481 U CN202222660481 U CN 202222660481U CN 218400715 U CN218400715 U CN 218400715U
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Abstract
The utility model relates to a low flat-bed semi-trailer technical field, and a low flat-bed semi-trailer of frame telescopic is disclosed, including the sweep, one side of sweep has been seted up and has been accomodate the groove, it is provided with the removal frame to accomodate the inslot activity, remove the frame and accomodate and install spacing flexible subassembly between the groove, the removal frame is kept away from the symmetry of position department of sweep one end and is provided with the wheel frame, remove the both sides position department that the frame is close to the tip and set up the opening corresponding with the wheel frame, and install runner assembly between wheel frame and the opening, two wheel frames are close to and rotate between the lateral wall in opposite directions of bottom and install the wheelset that contacts with ground, and install deflection positioning mechanism between two wheel frames and the removal frame. The utility model discloses not only make things convenient for low flatbed's frame to stretch out and draw back and adjust, the frame after stretching out is conveniently carried out the outrigger moreover, and the frame that can avoid stretching out as far as possible takes place deformation because of the load.
Description
Technical Field
The utility model relates to a low flat-bed semi-trailer technical field especially relates to a low flat-bed semi-trailer of frame telescopic.
Background
Low flatbed semi-trailers are commonly used to transport heavy vehicles (e.g., tractors, buses, trucks, etc.), rail vehicles, mining machines, forestry machines, construction machines (e.g., excavators, dozers, loaders, pavers, cranes, etc.) and other heavy goods, the lower the center of gravity, the better the stability and safety, and the greater the ability to transport ultra-high goods and through overhead obstacles.
The frame of current low flatbed semitrailer is monolithic structure mostly, and the length of frame can't be adjusted, and when semitrailer haulage equipment was too long, the frame can't suitably adjust.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem in the above-mentioned background art, and the low flat-bed semi-trailer of a frame telescopic who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a frame telescopic hangs down flat-bed semi-trailer, includes the sweep, one side of sweep has been seted up and has been accomodate the groove, it is provided with the removal frame to accomodate the inslot activity, remove the frame and accomodate and install spacing flexible subassembly between the groove, the position department symmetry that sweep one end was kept away from to the removal frame is provided with the wheel frame, remove the both sides position department that the frame is close to the tip and set up the opening corresponding with the wheel frame, and install runner assembly, two between wheel frame and the opening rotate between the lateral wall in opposite directions that the wheel frame is close to the bottom and install the wheelset that contacts with ground, and install the deflection positioning mechanism between two wheel frames and the removal frame.
Preferably, the deflection positioning mechanism includes that the symmetry sets up the spout in removal frame both sides, the one end laminating of spout is provided with the slider of matching, one side that the spout tank bottom was kept away from to the slider rotates and is connected with the connecting rod, the other end of connecting rod rotates with the wheel frame lateral wall that corresponds and is connected, the spacing subassembly that is used for injecing the slider position is installed to the tank bottom of spout.
Preferably, spacing flexible subassembly is including inlaying the electronic hydraulic stem of installing at the groove tank bottom of accomodating, the output and the removal frame fixed connection of electronic hydraulic stem, the spacing groove has been seted up to the tank bottom of accomodating the groove, the bottom of removing the frame is connected with the stopper of laminating mutually with spacing groove one end.
Preferably, the rotating assembly comprises an outer cylinder fixedly embedded in the opening, a rotating shaft inserted in the outer cylinder is connected to the side wall of the wheel frame close to the top end, and a matched rotary damper is installed between the rotating shaft and the outer cylinder.
Preferably, spacing subassembly is including seting up the guide way at spout top, it is provided with the locating piece of laminating mutually with the slider lateral wall to slide in the guide way, the top of locating piece is rotated and is connected with the screw rod, it sets up flutedly to remove the top of frame, the tank bottom of recess is run through on the top of screw rod, and the tank bottom threaded connection of screw rod and recess.
Preferably, a carrier roller is rotatably mounted at one end of the turning plate, and the top end of the carrier roller is attached to the bottom of the movable frame.
Compared with the prior art, the utility model provides a low flat-bed semitrailer of frame telescopic possesses following beneficial effect:
1. this low flatbed semi-trailer of frame telescopic, accomodate the groove through the setting, remove the frame, spacing flexible subassembly, the wheel frame, runner assembly and wheel group, spacing flexible subassembly makes things convenient for control to remove the frame and slides along accomodating the groove, thereby make the frame can stretch out and draw back as required and regulate and control, when removing the frame and removing to accomodating the groove outside, make things convenient for the wheel frame to deflect automatically under the action of gravity, runner assembly can avoid the wheel frame to lead to wheel group and ground collision damage because of deflecting at the excessive speed, wheel frame cooperation wheel group conveniently supports removing the frame, make the moving frame difficult emergence deformation damage when carrying cargo.
2. According to the frame-telescopic low-flat-bed semi-trailer, the movable frame, the wheel frame and the deflection positioning mechanism are arranged, the deflection positioning mechanism conveniently enables the wheel frame to deflect to a vertical state under the action of gravity, and the wheel frame in the vertical state can be locked in position, so that the stability of the position of the wheel frame is effectively improved, and the supporting effect of the wheel frame is improved.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses not only make things convenient for low flat-bed semi-trailer's frame to stretch out and draw back and adjust, conveniently carry out the outrigger to the frame after stretching out moreover, the frame that can avoid stretching out takes place deformation because of the load as far as possible.
Drawings
Fig. 1 is a schematic structural view of a low-flat-bed semitrailer with a telescopic frame provided by the utility model;
FIG. 2 is a schematic structural view of a connection portion between the movable frame and two wheel frames;
FIG. 3 is an enlarged view of portion A of FIG. 1;
fig. 4 is an enlarged view of a portion B in fig. 2.
In the figure: 1. turning a plate; 2. a storage groove; 3. a movable frame; 4. a wheel frame; 5. opening the gap; 6. a wheel set; 7. a chute; 8. a slider; 9. a connecting rod; 10. an electro-hydraulic lever; 11. a limiting groove; 12. a limiting block; 13. an outer cylinder; 14. a rotating shaft; 15. a rotary damper; 16. a guide groove; 17. positioning blocks; 18. a screw; 19. a groove; 20. and (4) a carrier roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1, a frame-telescopic low-flat-bed semitrailer comprises a vehicle plate 1, wherein a containing groove 2 is formed in one side of the vehicle plate 1, a moving frame 3 is movably arranged in the containing groove 2, a limiting telescopic assembly is installed between the moving frame 3 and the containing groove 2 and comprises an electric hydraulic rod 10 embedded in the bottom of the containing groove 2, the output end of the electric hydraulic rod 10 is fixedly connected with the moving frame 3, the electric hydraulic rod 10 is started to conveniently drive the moving frame 3 to stretch, a limiting groove 11 is formed in the bottom of the containing groove 2, a limiting block 12 attached to one end of the limiting groove 11 is connected to the bottom of the moving frame 3, and the telescopic stroke of the moving frame 3 is conveniently limited;
remove frame 3 and keep away from the position department symmetry of sweep 1 one end and be provided with wheel frame 4, the one end of sweep 1 is rotated and is installed bearing roller 20, and bearing roller 20's top and the bottom of removing frame 3 are laminated mutually, not only conveniently support removing frame 3, make moreover remove frame 3 at the in-process of shrink, wheel frame 4 can not and take place wearing and tearing between the notch of accomodating groove 2.
Referring to fig. 2 and 4, the two sides of the moving frame 3 near the end are provided with notches 5 corresponding to the wheel frames 4, a wheel set 6 contacting with the ground is rotatably mounted between the opposite side walls of the two wheel frames 4 near the bottom end, so that the moving frame 3 is conveniently supported, and a rotating assembly is mounted between the wheel frames 4 and the notches 5, so that the deflection speed of the wheel frames 4 is conveniently reduced;
the rotating assembly comprises an outer barrel 13 fixedly embedded in the opening 5, a rotating shaft 14 inserted in the outer barrel 13 is connected to the side wall, close to the top end, of the wheel frame 4, and a matched rotary damper 15 is installed between the rotating shaft 14 and the outer barrel 13, so that the deflection speed of the wheel frame 4 is reduced conveniently, and the wheel set 6 is prevented from being damaged due to collision with the ground due to the fact that the wheel frame 4 deflects too fast.
Referring to fig. 1 and 3, a deflection positioning mechanism is installed between two wheel frames 4 and a moving frame 3, the deflection positioning mechanism comprises sliding grooves 7 symmetrically arranged on two sides of the moving frame 3, one ends of the sliding grooves 7 are provided with matched sliding blocks 8 in an attaching mode, one sides, far away from the bottoms of the sliding grooves 7, of the sliding blocks 8 are rotatably connected with connecting rods 9, the other ends of the connecting rods 9 are rotatably connected with the corresponding side walls of the wheel frames 4, a wheel set 6 drives the wheel frames 4 to deflect under the action of gravity, the sliding blocks 8 are conveniently driven to slide along the sliding grooves 7 by matching the connecting rods 9, and the wheel frames 4 are in a vertical state when the sliding blocks 8 are attached to the ends of the sliding grooves 7, so that the positioning is convenient.
Referring to fig. 1 and 3, the spacing subassembly that is used for injecing slider 8 position is installed to the tank bottom of spout 7, spacing subassembly is including seting up the guide way 16 at spout 7 top, it is provided with the locating piece 17 of laminating mutually with slider 8 lateral wall to slide in the guide way 16, the top of locating piece 17 is rotated and is connected with screw rod 18, the top of moving frame 3 is seted up flutedly 19, the tank bottom of recess 19 is run through on the top of screw rod 18, and screw rod 18 and the tank bottom threaded connection of recess 19, it slides down along guide way 16 to rotate screw rod 18 and drive locating piece 17, thereby make locating piece 17 and the laminating of slider 8 conveniently lock the position of wheel frame 4.
The working principle is as follows: the electric hydraulic rod 10 is started to drive the movable frame 3 to move to the outer side of the accommodating groove 2, the wheel set 6 drives the wheel frame 4 to deflect under the action of gravity, the deflection speed of the wheel frame 4 can be effectively reduced by matching with the rotary damper 15, so that the collision damage of the wheel set 6 and the ground is avoided as much as possible, the connecting rod 9 which is rotatably connected is driven in the deflection process of the wheel frame 4, the sliding block 8 is driven to slide along the sliding groove 7, when the sliding block 8 is attached to the end portion of the sliding groove 7, the wheel frame 4 is in a vertical state at the moment, the movable frame 3 can be supported by matching with the wheel set 6, the positioning block 17 is driven by the rotary screw rod 18 to slide downwards along the guide groove 16, the positioning block 17 is attached to the sliding block 8, the deflection freedom degree of the wheel frame 4 can be limited, the supporting stability of the wheel frame can be improved, the positioning block 17 is driven by reversely rotating the screw rod 18 to move into the guide groove 16, the electric hydraulic rod 10 drives the movable frame 3 to slide into the accommodating groove 2, and the wheel frame 4 can generate self-adaptive deflection along with the movement of the movable frame 3 when the wheel frame 4 is in contact with the carrier roller 20.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a frame telescopic hangs down flat-bed semi-trailer, includes the sweep, its characterized in that, one side of sweep has been seted up and has been accomodate the groove, it is provided with the removal frame to accomodate the inslot activity, remove the frame and accomodate and install spacing flexible subassembly between the groove, the position department symmetry that sweep one end was kept away from to the removal frame is provided with the wheel frame, the removal frame is close to the both sides position department of tip and offers the opening corresponding with the wheel frame, and installs runner assembly, two between wheel frame and the opening the wheel frame is close to and rotates between the lateral wall in opposite directions of bottom and install the wheel group that contacts with ground, and installs deflection positioning mechanism between two wheel frames and the removal frame.
2. The low flatbed semitrailer with the telescopic frame as claimed in claim 1, wherein the deflection positioning mechanism comprises sliding grooves symmetrically formed in two sides of the moving frame, one ends of the sliding grooves are provided with matched sliding blocks in an attached mode, one sides of the sliding blocks, far away from the bottoms of the sliding grooves, are rotatably connected with connecting rods, the other ends of the connecting rods are rotatably connected with corresponding side walls of the wheel frame, and limiting assemblies used for limiting the positions of the sliding blocks are mounted at the bottoms of the sliding grooves.
3. The low flatbed semitrailer with the telescopic frame as claimed in claim 1, wherein the limiting telescopic assembly comprises an electric hydraulic rod embedded at the bottom of the accommodating groove, the output end of the electric hydraulic rod is fixedly connected with the movable frame, a limiting groove is formed in the bottom of the accommodating groove, and a limiting block attached to one end of the limiting groove is connected to the bottom of the movable frame.
4. The low flatbed semitrailer with the telescopic frame as claimed in claim 1, wherein the rotating assembly comprises an outer cylinder fixedly embedded in the notch, a rotating shaft inserted into the outer cylinder is connected to the side wall, close to the top end, of the wheel frame, and a matched rotary damper is installed between the rotating shaft and the outer cylinder.
5. The low flatbed semitrailer with the telescopic frame as claimed in claim 2, wherein the limiting component comprises a guide groove formed in the top of the sliding groove, a positioning block attached to the side wall of the sliding block is slidably arranged in the guide groove, the top of the positioning block is rotatably connected with a screw rod, a groove is formed in the top of the movable frame, the top end of the screw rod penetrates through the groove bottom of the groove, and the screw rod is in threaded connection with the groove bottom of the groove.
6. The low flatbed semi-trailer with the telescopic frame as claimed in claim 1, wherein a carrier roller is rotatably mounted at one end of the trailer plate, and the top end of the carrier roller is attached to the bottom of the movable frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222660481.1U CN218400715U (en) | 2022-10-10 | 2022-10-10 | Low flat-bed semi-trailer with telescopic frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222660481.1U CN218400715U (en) | 2022-10-10 | 2022-10-10 | Low flat-bed semi-trailer with telescopic frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218400715U true CN218400715U (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222660481.1U Active CN218400715U (en) | 2022-10-10 | 2022-10-10 | Low flat-bed semi-trailer with telescopic frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116811706A (en) * | 2023-07-19 | 2023-09-29 | 山东泰骋专用汽车有限公司 | Rear tail landing gear of multifunctional semitrailer |
-
2022
- 2022-10-10 CN CN202222660481.1U patent/CN218400715U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116811706A (en) * | 2023-07-19 | 2023-09-29 | 山东泰骋专用汽车有限公司 | Rear tail landing gear of multifunctional semitrailer |
| CN116811706B (en) * | 2023-07-19 | 2024-04-05 | 山东泰骋专用汽车有限公司 | Rear tail landing gear of multifunctional semitrailer |
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