CN220639423U - Traction device for trailer - Google Patents
Traction device for trailer Download PDFInfo
- Publication number
- CN220639423U CN220639423U CN202322443225.1U CN202322443225U CN220639423U CN 220639423 U CN220639423 U CN 220639423U CN 202322443225 U CN202322443225 U CN 202322443225U CN 220639423 U CN220639423 U CN 220639423U
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- rope
- traction frame
- trailer
- traction
- plate
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- 238000004804 winding Methods 0.000 claims description 37
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The application provides a trailer caravan traction device, including the traction frame, the one end rotation of traction frame is connected with the hinge structure with trailer caravan front end fixed connection, the traction frame is connected with the drive arrangement of installing at trailer caravan front end, just drive arrangement can drive the traction frame upwards rotates and can be right the traction frame locks. The utility model discloses a need not the staff to lift the traction frame and can carry out the connection work with the tractor, have labour saving and time saving's effect, the traction frame upwards distributes the back in addition, has folding effect, has reduced the whole occupation space after the parking of trailer formula car as a house.
Description
Technical Field
The application relates to a motor home traction technology, in particular to a traction device for pulling a motor home.
Background
The traction frame is a traction structure for traction of the trailer caravan, is arranged at the front end of the trailer caravan, and one end of the traction frame is rotationally connected with the front end of the trailer caravan. When the trailer caravan needs to move, the other end of the traction frame on the trailer caravan is connected with the traction vehicle, and the traction vehicle pulls the trailer caravan to move.
At present, after the trailer type motor home is parked, the other end of the traction frame is directly placed on the ground, when the trailer type motor home is connected with the traction vehicle again, a worker is usually required to lift the traction frame by hand, then the traction frame and the traction vehicle, and because the traction frame is heavy, the process of lifting the traction frame by the worker is time-consuming and labor-consuming, and after the trailer type motor home is directly placed on the ground, the traction frame is exposed, and part of field space can be occupied.
Disclosure of Invention
The utility model provides a trailer caravan draw gear for solve current traction frame and place behind subaerial, when being connected with the tractor again, the staff lifts the traction frame and wastes time and energy, and after the parking of trailer caravan, whole area is big problem.
The application provides a traction device of a trailer, which comprises a traction frame, wherein one end of the traction frame is rotationally connected with a hinge structure fixedly connected with the end of a trailer Fang Cheqian;
the traction frame is connected with a driving device arranged at the front end of the trailer room, and the driving device can drive the traction frame to rotate upwards and lock the traction frame.
Optionally, the driving device comprises a rope and a rope winding device with a self-locking function, one end of the rope is fixedly connected with the rope winding device, and the rope is wound on the rope winding device;
the other end of the rope is connected with the traction frame.
Optionally, the rope winding device comprises a box body, a winding roller is rotatably arranged in the box body, and the winding roller is connected with a worm and gear driving mechanism capable of driving the winding roller to rotate;
one end of the rope is fixedly connected with the winding roller, and the rope is wound on the winding roller;
the box body is fixed at the front end of the trailer caravan.
Optionally, two guide wheels which are vertically and symmetrically distributed are installed on the box body, and the distance between the two guide wheels is smaller than the diameter of the rope;
the rope passes through a guide cavity formed between the two guide wheels.
Optionally, the rope is a steel wire rope.
Optionally, the traction device further comprises a U-shaped frame, wherein the two vertical section ends of the U-shaped frame are fixedly connected with the traction frame;
the other end of the rope is fixed with a safety buckle which is sleeved on the U-shaped frame.
Optionally, the device further comprises a first plate fixed on the traction frame, a second plate fixed at the front end of the trailer, and a pin shaft, wherein through holes are formed in the first plate and the second plate;
after the traction frames are distributed upwards, the first plate is located above the second plate and is in contact with the second plate, and the pin shafts can be inserted into the through holes of the first plate and the through holes of the second plate at the same time.
Compared with the prior art, the beneficial effects of this application are:
the utility model provides a pull car as a house draw gear, one end through the traction frame rotates be connected with pull car as a house front end fixed connection's hinge structure, the traction frame is connected with the drive arrangement who installs at pull car as a house front end, and drive arrangement can drive the traction frame and upwards rotate and can lock the traction frame, make the traction frame upwards distribute the back through drive arrangement drive traction frame after pulling car as a house parking, stop rotating, drive arrangement locks the traction frame simultaneously, when traction frame is connected with the tractor, operation drive arrangement makes traction frame rotate downwards and is the horizontal distribution after, can connect work, and then need not the staff's hand to lift the traction frame and can carry out the connection work with the tractor, have labour saving and time saving's effect, after traction frame upwards distributes, have folding effect, the whole occupation space after the traction car as a house parking has been reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief description will be given below of the drawings that are needed in the embodiments or the prior art descriptions, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic front view of a traction device of a trailer in an extended state according to an embodiment of the present application;
fig. 2 is a schematic front view cross-section structure of an open state of a traction device for a trailer in an embodiment of the present application;
FIG. 3 is an enlarged schematic view of the area A of FIG. 2;
fig. 4 is a schematic perspective view of a folded state of a traction device of a trailer in an embodiment of the present application;
fig. 5 is a schematic front view cross-sectional structure of a folded state of a traction device for a trailer provided in an embodiment of the present application;
fig. 6 is a schematic partial perspective view of a telescopic winding device of a trailer caravan traction device according to an embodiment of the present application;
fig. 7 is an enlarged view of the area B of fig. 5.
Reference numerals illustrate: a traction frame 1 and a hinge structure 2;
the device comprises a driving device 3, a rope 31, a rope winding device 32, a box 33, a winding roller 34, a worm and gear driving mechanism 35, a worm gear 36, a worm 37 and a motor 38;
a guide wheel 4, a U-shaped frame 5 and a safety catch 6;
the first plate 7, the second plate 8, the pin shaft 9 and the through hole 10;
the caravan 11 is towed.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, are also within the scope of the present application based on the embodiments herein.
As shown in fig. 1-7:
the utility model provides a trailer caravan draw gear, including traction frame 1, the one end rotation of traction frame 1 is connected with articulated structure 2 with trailer caravan front end fixed connection. Specifically, the hinge structure 2 is welded and fixed with the front end of the chassis of the trailer caravan 11, so as to improve the connection stability.
The traction frame 1 is connected with a driving device 3 arranged at the front end of the trailer caravan 11, and the driving device 3 can drive the traction frame 1 to rotate upwards and can lock the traction frame 1.
In this embodiment, after the traction frame 1 is distributed upwards, the included angle between the traction frame 1 and the hinge structure 2 is greater than 90 degrees and less than 95 degrees, so that the folding effect of the traction frame 1 can be achieved, and the traction frame 1 can be ensured to automatically rotate downwards according to self gravity.
After the trailer caravan 11 is parked, the driving device 3 drives the traction frame 1 to rotate upwards, so that the traction frame 1 stops rotating after being distributed upwards, and meanwhile, the driving device 3 locks the traction frame 1, so that the traction frame 1 is folded at the front end of the trailer caravan 11.
When the traction frame 1 is connected with a tractor, the driving device 3 is operated to enable the traction frame 1 to rotate downwards to be horizontally distributed, so that the traction frame 1 is unfolded, and connection work can be carried out.
The articulated structure 2 fixedly connected with the front end of the trailer-type caravan is rotationally connected to one end of the traction frame 1, the traction frame 1 is connected with the driving device 3 installed at the front end of the trailer-type caravan 11, and the driving device 3 can drive the traction frame 1 to rotate upwards and lock the traction frame 1, so that the traction frame 1 can be folded and unfolded through operating the driving device 3, and further the traction frame 1 can be connected with the tractor without hands of workers, the effect of saving time and labor is achieved, and the overall occupied space of the trailer-type caravan after parking is reduced after the traction frame 1 is vertically folded.
In some embodiments of the present application, the driving device 3 includes a rope 31 and a rope winding device 32 with a self-locking function, one end of the rope 31 is fixedly connected with the rope winding device 32, and the rope 31 is wound on the rope winding device 32;
the other end of the rope 31 is connected to the traction frame 1.
When the traction frame is used, the rope winding device 32 winds the rope 31, the rope 31 drives the traction frame 1 to rotate upwards, after the traction frame 1 is distributed upwards, the winding of the rope 31 is stopped, and as the rope winding device 32 has a self-locking function, after the winding of the rope 31 is stopped, the traction frame 1 can be prevented from rotating downwards due to the pulling of the rope 31, and the locking of the traction frame 1 is realized. The rope winding device 32 releases the rope 31, the traction frame 1 can rotate downwards according to self gravity, meanwhile, the rope 31 has a dragging effect on the traction frame 1, after the traction frame 1 rotates to be horizontally distributed, the winding of the rope 31 is stopped, and as the rope winding device 32 has a self-locking function, after the winding of the rope 31 is stopped, the traction frame 1 rotates to be horizontally distributed under the stretching and straight dragging of the rope 31, then the traction frame 1 is connected with a traction vehicle, after the connection is completed, the rope 31 is continuously released for a certain length, the rope 31 is in a loose state, and the fact that the rotation connection state of the traction frame 1 and the traction vehicle 11 is not influenced by the rope 31 when the traction vehicle 11 moves is ensured.
In some embodiments of the present application, the rope winding device 32 includes a box 33, where a winding roller 34 is rotatably installed in the box 33 through a bearing, and the winding roller 34 is connected with a worm and gear driving mechanism 35 capable of driving the winding roller to rotate, so that the winding roller 34 has a self-locking function.
In this embodiment, the worm gear and worm driving mechanism 35 includes a worm gear 36 located inside the box 33, the worm gear 36 is fixedly connected with the wind-up roller 34 concentrically, the worm gear 36 is connected with a worm 37 adapted thereto, the worm 37 is rotatably installed in the box 33 through a bearing, one end of the worm 37 is connected with a motor 38 fixed on the outer wall of the box 33, and the motor 38 is connected with a power supply system on the trailer 11 to supply power thereto.
Further, in order to facilitate the control of the motor 38 by a worker, the motor 38 is controlled to be opened and closed and to be rotated in the forward and reverse directions by a remote controller.
One end of the rope 31 is fixedly connected with the wind-up roller 34, and the rope 31 is wound on the wind-up roller 34;
the box 33 is fixed to the front end of the trailer car 11.
In the present embodiment, the motor 38 rotates forward, the wind-up roller 34 winds up the rope 31, the motor 38 rotates backward, and the wind-up roller 34 pays out the rope 31.
In some embodiments of the present application, two guide wheels 4 are mounted on the box 33, and the distance between the two guide wheels 4 is smaller than the diameter of the rope 31, so as to prevent the rope 31 from separating from the guide wheel after the rope 31 is in a loose state.
The rope 31 passes through a guide cavity formed between the two guide wheels 4 to support and guide the rope 31.
In order to improve the pulling strength and the service life of the rope 31. In some embodiments of the present application, the rope 31 is a steel wire rope.
In some embodiments of the present application, a U-shaped frame 5 is further included, and two vertical section ends of the U-shaped frame 5 are fixedly connected with the traction frame 1.
The other end of the rope 31 is fixed with a safety catch 6 (which is not described in detail in the prior art), and the safety catch 6 is sleeved on the U-shaped frame 5, so that the rope 31 is detachably connected with the traction frame 1, and the later maintenance and replacement of the traction frame 1 are facilitated.
In some embodiments of the application, the tractor further comprises a first plate 7 fixed on the traction frame 1, a second plate 8 fixed on the front end of the trailer caravan 11, and a pin 9, wherein through holes 10 are formed in the first plate 7 and the second plate 8; wherein, after the traction frame 1 distributes upwards, first plate 7 is located the top of second plate 8 and contacts with second plate 8, and round pin axle 9 can insert the through-hole 10 of first plate 7 and the through-hole 10 of second plate 8 simultaneously, and then can lock traction frame 1 again, can avoid traction frame 1 to fold the back, rope coiling mechanism 32 breaks down, traction frame 1 automatic whereabouts injury personnel's problem, and traction frame 1 distributes the back upwards moreover, can carry out spacingly to traction frame 1, traction frame 1 can't continue to rotate, and then can avoid traction frame 1 upward rotation angle too big back, traction frame 1 can't rotate downwards according to self gravity and be horizontal distribution.
Finally, it should be noted that the above embodiments are merely for illustrating the technical solution of the present application, and are not limiting; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand; the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (7)
1. The utility model provides a trailer haulage motor home draw gear, includes traction frame (1), the one end rotation of traction frame (1) is connected with articulated structure (2) with trailer haulage motor home front end fixed connection, its characterized in that:
the traction frame (1) is connected with a driving device (3) arranged at the front end of the trailer room, and the driving device (3) can drive the traction frame (1) to rotate upwards and lock the traction frame (1).
2. The trailer tow device according to claim 1, wherein: the driving device (3) comprises a rope (31) and a rope winding device (32) with a self-locking function, one end of the rope (31) is fixedly connected with the rope winding device (32), and the rope (31) is wound on the rope winding device (32);
the other end of the rope (31) is connected with the traction frame (1).
3. The trailer tow device according to claim 2, wherein: the rope winding device (32) comprises a box body (33), a winding roller (34) is rotatably arranged in the box body (33), and the winding roller (34) is connected with a worm and gear driving mechanism (35) capable of driving the winding roller to rotate;
one end of the rope (31) is fixedly connected with the winding roller (34), and the rope (31) is wound on the winding roller (34);
the box body (33) is fixed at the front end of the trailer caravan.
4. A trailer haulage device as claimed in claim 3 wherein: two guide wheels (4) which are vertically and symmetrically distributed are arranged on the box body (33), and the distance between the two guide wheels (4) is smaller than the diameter of the rope (31);
the rope (31) passes through a guide cavity formed between the two guide wheels (4).
5. The trailer tow device according to claim 2, wherein: the rope (31) is a steel wire rope.
6. The trailer tow device according to claim 2, wherein: the traction device also comprises a U-shaped frame (5), wherein the two vertical section ends of the U-shaped frame (5) are fixedly connected with the traction frame (1);
the other end of the rope (31) is fixed with a safety buckle (6), and the safety buckle (6) is sleeved on the U-shaped frame (5).
7. The trailer tow device according to claim 2, wherein: the traction frame comprises a traction frame body (1), a first plate (7) fixed on the traction frame body, a second plate (8) fixed at the front end of a trailer, and a pin shaft (9), wherein through holes (10) are formed in the first plate (7) and the second plate (8);
after the traction frames (1) are distributed upwards, the first plate (7) is located above the second plate (8) and is in contact with the second plate (8), and the pin shafts (9) can be inserted into the through holes (10) of the first plate (7) and the through holes (10) of the second plate (8) at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322443225.1U CN220639423U (en) | 2023-09-08 | 2023-09-08 | Traction device for trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322443225.1U CN220639423U (en) | 2023-09-08 | 2023-09-08 | Traction device for trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220639423U true CN220639423U (en) | 2024-03-22 |
Family
ID=90266739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322443225.1U Active CN220639423U (en) | 2023-09-08 | 2023-09-08 | Traction device for trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220639423U (en) |
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2023
- 2023-09-08 CN CN202322443225.1U patent/CN220639423U/en active Active
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| GR01 | Patent grant |