CN211032064U - Automotive trailer - Google Patents

Abstract

The utility model discloses a motor-driven car trailer ware, including trailer frame and towing trolley, the trailer frame right part is equipped with the trailer pole, and the towing trolley is connected to the trailer pole, the trailer frame is boundary beam formula structure, and the trailer frame comprises two longerons and four crossbeams, and each longeron both ends all are equipped with an universal wheel, two the longeron mid-mounting has a pivot, is equipped with two tight pulleys in the pivot, four two bisymmetry distributions of crossbeam respectively are equipped with two horizontal fork sections in the middle of two crossbeams on both sides about the pivot, and fork section of thick bamboo both ends are equipped with the telescopic fork arm, the spacing push-and-pull board that is equipped with on each pair of fork arm, the flexible first telescopic cylinder of spacing push-pull board middle part connection control fork arm, each be equipped with the flexible cylinder of second that the control fork arm opened and shut between fork section of thick bamboo and the adjacent. The utility model discloses can hold up four wheels of car simultaneously and drag away through dragging the dolly, conveniently remove the vehicle, improve work efficiency.

Description

Automotive trailer

Technical Field

The utility model relates to a trailer ware especially relates to a motor vehicle trailer ware.

Background

At present, when an automobile leaves a factory, a special driver is often required to drive the automobile to a truck for loading. Because the restriction in the field of vision when the driver drives, the risk that the car accident appears is great, bring huge economic loss for the driver easily, when the driver returns, need walk the warehouse and drive next car again, it is more to consume time on the road, cause work efficiency to be low, generally once only the loading is carried out in the cooperation of a plurality of drivers, but the human cost of many has increased so undoubtedly, therefore we need the good car trailer of a mobility to help the driver to extend the field of vision, reduce the loading risk, and reduce the time of returning the journey, and improve work efficiency. In patent No. CN201510661715.6, a trailer is described, comprising; the four-wheel vehicle comprises a telescopic two-shaft four-wheel main frame, wheel frames with four pairs of casters, five sets of motors with speed reducers and twenty-four integral deep groove ball thrust bearings; the bearings clamp the wheel frame short shafts and are respectively fixed at four points on the two load-carrying wheel shafts, one side of a lever of the wheel frame is connected with a speed reducer of the motor through a chain, and when the two motors work, the wheel frame is unfolded or folded. The speed reducers of the other two sets of motors are connected with the gears of the right triangular idler wheels with gears on the shaft rods of the unfolded wheel frames through two transmission shafts with gears at two ends, and when the motors work, the idler wheels on the four pairs of wheel frames simultaneously support or put down the wheels. When the motor works, the wheel frame and the main frame form a trailer to support the vehicle or the trailer moves forwards or backwards according to requirements. But the utility model discloses a structure is complicated, and is higher to automation, intelligent requirement, does not have the place that the driver took on the trailer ware moreover, means that the driver sits and controls the trailer ware on the car that is dragged, perhaps carries out the remote control on the ground, all inconvenience very.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the problem that above-mentioned prior art exists, provide a motor-driven car trailer ware, help the driver to extend the field of vision, reduce the risk of loading to reduce the time of returning journey, improve work efficiency.

The utility model provides a technical scheme that its technical problem adopted: a motor-driven vehicle towing device comprises a towing frame, wherein a towing rod is arranged at the right part of the towing frame and connected with a towing trolley, the towing frame is of a side beam type structure and is composed of two longitudinal beams and four transverse beams, two universal wheels are arranged at two ends of each longitudinal beam, a rotating shaft is arranged in the middle of each longitudinal beam, two fixed wheels are arranged on the rotating shaft, the four transverse beams are symmetrically distributed on the left side and the right side of the rotating shaft in pairs, two transverse fork barrels are respectively arranged between the two transverse beams on the left side and the right side, telescopic fork rods are arranged at two ends of each fork barrel, two ends of each fork barrel are arranged on sliding grooves of the longitudinal beams, the fork barrels are in sliding connection with the sliding grooves, a barrel body is arranged on each fork rod, an end cover used for fixing the barrel body is arranged at the outer end of each fork rod, the end covers are connected with the fork rods through screws, a, the fork rod is placed in the stroke groove, the width of the stroke groove is smaller than the outer circle diameter of the barrel, the middle of the limiting push-pull plate is connected with a first telescopic cylinder for controlling the fork rod to stretch, the first telescopic cylinder is fixed on the inner side of the longitudinal beam, the limiting push-pull plate is located on the outer side of the longitudinal beam, and a second telescopic cylinder for controlling the fork rod to open and close is arranged between each fork cylinder and the adjacent cross beam.

For further improvement, the fork cylinder is provided with four guide rods, the guide rods are in sliding connection with the fork cylinder, and two ends of each guide rod are fixedly connected with the cross beam and located between the longitudinal beam and the second telescopic cylinder.

Further perfection, the second telescopic cylinder is located on the central axis of the trailer frame.

Further perfection, the trailer rod is positioned in the middle of the rightmost cross beam.

The utility model discloses profitable effect is: 1. the utility model controls the fork rod to extend below the wheel through the first telescopic cylinder, controls the fork rod to open and close through the second telescopic cylinder, and simultaneously supports or puts down the four wheels of the automobile; 2. two pairs of universal wheels are arranged on two sides of the trailer frame, a pair of fixed wheels is arranged in the middle of the trailer frame, the trailer frame has good mobility and load-carrying property, the trailer frame can be conveniently controlled to move through the towing trolley, a driver can conveniently move an automobile onto a truck, the view field is wide, and the risk of traffic accidents is low; 3. the limiting push-pull plates are arranged on the fork rods of each pair, the limiting push-pull plates can control the minimum distance between the fork rods, and the limiting push-pull plates can abut against the side faces of the wheels to prevent the wheels from rotating to cause the automobile to be separated from the trailer frame.

Drawings

Fig. 1 is a schematic top view of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is a schematic structural view of a limit push-pull plate of the present invention;

FIG. 4 is a schematic view of a runner structure of the cross beam;

FIG. 5 is an enlarged view of a portion of the structure of FIG. 1;

description of reference numerals: 1. universal wheel, 2, longeron, 3, fork arm, 4, spacing push-and-pull board, 5, first telescopic cylinder, 6, a fork section of thick bamboo, 7, the telescopic cylinder of second, 8, crossbeam, 9, pivot, 10, tight pulley, 11, guide bar, 12, trailer pole, 13, spout, 14, barrel, 15, stroke groove, 16, end cover, 17, screw.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

with reference to the accompanying drawings: the embodiment of the invention relates to a motor-driven vehicle trailer, which comprises a trailer frame, wherein the right part of the trailer frame is provided with a trailer rod 12, the trailer rod 12 is connected with a towing trolley, the trailer frame is of a side beam structure, the trailer frame is composed of two longitudinal beams 2 and four cross beams 8, two universal wheels 1 are arranged at two ends of each longitudinal beam 2, a rotating shaft 9 is arranged in the middle of each longitudinal beam 2, two fixed wheels 10 are arranged on the rotating shaft 9, the four cross beams 8 are symmetrically distributed on the left side and the right side of the rotating shaft 9 in pairs, two transverse fork cylinders 6 are respectively arranged between the two cross beams 8 on the left side and the right side, two ends of each fork cylinder 6 are provided with telescopic fork rods 3, two ends of each fork cylinder 6 are arranged on sliding grooves 13 of the longitudinal beams 2, the fork cylinders 6 are in sliding connection with the sliding grooves 13, a cylinder body 14 is arranged on each fork rod 3, the outer ends of the fork rods 3, the limiting push-pull plate 4 is arranged between the barrel 14 and the cross beam 8, the limiting push-pull plate 4 is provided with two stroke grooves 15, the fork rod 3 is placed in the stroke grooves 15, the width of each stroke groove 15 is smaller than the outer circle diameter of the barrel 4, the middle of the limiting push-pull plate 4 is connected with a first telescopic cylinder 5 for controlling the fork rod 3 to stretch, the first telescopic cylinder 5 is fixed on the inner side of the longitudinal beam 2, the limiting push-pull plate 4 is located on the outer side of the longitudinal beam 2, and a second telescopic cylinder 7 for controlling the fork rod 3 to open and close is arranged between each fork cylinder 6 and the adjacent cross beam 8.

The using method comprises the following steps: when the automobile needs to be moved, a trailer frame is put under the automobile from the automobile, wheels are positioned between a pair of fork rods 3, then four first telescopic cylinders 5 are started, a limiting push-pull plate 4 is pushed to abut against the inner sides of the wheels, the limiting push-pull plate 4 drives the fork rods 3 to extend out of fork cylinders 6 to the bottoms of the wheels, then four second telescopic cylinders 7 are started to drive the fork cylinders 6 to slide on longitudinal beams 2 and guide rods 11, the fork rods 3 are folded, when one fork rod 3 touches the wheels, the second telescopic cylinders 7 corresponding to the fork rods 3 are controlled to stop pushing, after all the fork rods 3 touch the wheels, the four second telescopic cylinders 7 are started simultaneously to push the fork rods 3 to simultaneously lift up the four wheels, the limiting push-pull plate 4 can limit the minimum distance between each pair of fork rods 3 to prevent the wheels from rolling out, two pairs of universal wheels 1 are arranged on two sides of the trailer frame, a pair of fixed wheels 10 is arranged in the middle of the trailer frame, the automobile towing trolley has the advantages that the mobility and the load-carrying performance are good, the towing trolley frame can be dragged by the towing trolley 13 after the wheels are lifted to move the automobile to a required position, the second telescopic cylinder 7 controls the fork rod 3 to be opened after the automobile arrives at a destination, the wheels are simultaneously put down, the first telescopic cylinder 5 controls the limiting push-pull plate 4 to withdraw the fork rod 3 into the fork cylinder 6, and finally the towing trolley frame is moved out from the bottom of the automobile.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims (4)

1. The utility model provides a motor-driven car trailer ware, includes the trailer frame, and the trailer frame right part is equipped with trailer pole (12), and trailer pole (12) are connected and are dragged dolly, characterized by: the trailer frame is of a side beam type structure and consists of two longitudinal beams (2) and four cross beams (8), wherein two universal wheels (1) are arranged at two ends of each longitudinal beam (2), a rotating shaft (9) is arranged in the middle of each longitudinal beam (2), two fixed wheels (10) are arranged on the rotating shaft (9), the four cross beams (8) are symmetrically distributed on the left side and the right side of the rotating shaft (9) in pairs, two transverse fork barrels (6) are respectively arranged in the middles of the two cross beams (8) on the left side and the right side, telescopic fork rods (3) are arranged at two ends of each fork barrel (6), two ends of each fork barrel (6) are arranged on sliding grooves (13) of the longitudinal beams (2), the fork barrels (6) are in sliding connection with the sliding grooves (13), a barrel body (14) is arranged on each fork rod (3), end covers (16) for fixing the barrel bodies (14) are arranged at the outer ends of the fork rods (3), and the end covers (16) are, the novel telescopic fork is characterized in that a limiting push-pull plate (4) is arranged between the barrel body (14) and the cross beam (8), two stroke grooves (15) are formed in the limiting push-pull plate (4), the fork rod (3) is placed in the stroke grooves (15), the width of each stroke groove (15) is smaller than the outer circle diameter of the barrel body (14), a first telescopic cylinder (5) for controlling the fork rod (3) to stretch is connected to the middle of the limiting push-pull plate (4), the first telescopic cylinder (5) is fixed to the inner side of the longitudinal beam (2), the limiting push-pull plate (4) is located to the outer side of the longitudinal beam (2), and a second telescopic cylinder (7) for controlling the fork rod (3) to open and close is arranged between each fork barrel (6) and the.

2. A motor vehicle trailer according to claim 1 wherein: the fork cylinder (6) is provided with guide rods (11), the guide rods (11) are in sliding connection with the fork cylinder (6), the number of the guide rods (11) is four, and two ends of each guide rod (11) are fixedly connected with the cross beam (8) and are located between the longitudinal beam (2) and the second telescopic cylinder (7).

3. A motor vehicle trailer according to claim 1 wherein: and the second telescopic cylinder (7) is positioned on the central axis of the trailer frame.

4. A motor vehicle trailer according to claim 1 wherein: the trailer rod (12) is positioned in the middle of the rightmost cross beam (8).

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