CN108819817A - Concealed full automatic car lifting platform system - Google Patents

Abstract

The invention discloses a hidden fully automatic vehicle lifting platform system, which comprises a fixed frame fixed at the rear of the vehicle or the lower part of the vehicle side frame, a sliding frame slidingly matched with the fixed frame along the longitudinal direction, and a reversible, foldable and shrinkable carrier Cargo platform, a lifting mechanism connected between the sliding frame and the cargo platform for horizontal lifting of the cargo platform; the cargo platform includes a fixed platform connected to the lifting mechanism and a turning platform hinged to the fixed platform; By installing at the rear or side of the car, the efficiency and convenience of loading and unloading are improved, and the opening and closing of the compartment door will not be affected when not in use, the swing cylinder is omitted, and the utilization rate of the cylinder is improved. At the same time, the degree of automation is high and no need Manual participation reduces potential safety hazards and greatly improves work efficiency.

Description

Hidden fully automatic car lifting platform system

technical field

The invention relates to the technical field of loading and unloading equipment, in particular to a hidden fully automatic vehicle lifting platform system.

Background technique

The car tail lift is also called the car lifting platform system, the car loading and unloading tail lift, the lifting tail lift, and the automobile hydraulic tail lift. At present, the vehicle lifting platform system mostly adopts the cantilever tail lift. Because the panel of this type of tail lift is installed vertically on the ground, it will affect the opening and closing of the door and change the appearance of the vehicle; the back movement of the tail lift and the head up and down when touching the ground The action requires additionally setting up two overturning oil cylinders to provide power, which reduces the utilization rate of the oil cylinders. Compared with its slightly improved folding tailgate, although it will not affect the opening and closing of the compartment door, it still needs to turn over the oil cylinder to provide the power for raising the head and lowering the head; at the same time, due to the limitation of its folding structure, it must be turned over manually during use, which reduces the Efficiency and potential safety hazards.

Therefore, in order to solve the above problems, a new type of hidden fully automatic car lifting platform system is needed, which is easy to install, does not affect the opening and closing of the compartment door, has a high utilization rate of the oil cylinder, and does not require manual participation in the operation process.

Contents of the invention

In view of this, the purpose of the present invention is to overcome the defects in the prior art and provide a hidden fully automatic vehicle lifting platform system, which is easy to install, does not affect the opening and closing of the compartment door, has high utilization rate of the oil cylinder, and does not require manual participation in the operation process.

The hidden fully automatic vehicle lifting platform system of the present invention includes a fixed frame fixed to the rear of the vehicle or the lower part of the vehicle side frame, a sliding frame that slides and cooperates with the fixed frame in the longitudinal direction, a reversible, foldable and shrinkable cargo platform, A lifting mechanism connected between the sliding frame and the loading platform for horizontal lifting of the loading platform; the loading platform includes a fixed platform connected with the lifting mechanism and a turning platform hinged with the fixed platform, and also includes a drive mechanism, the drive mechanism includes a sliding drive mechanism arranged between the fixed frame and the sliding frame for driving and controlling the horizontal position of the sliding frame and a sliding drive mechanism arranged between the turning platform and the fixed platform for driving and controlling the turning of the turning platform Corner flip drive mechanism.

Further, the lifting mechanism includes left and right connecting arm assemblies arranged on the left and right sides of the fixed platform, a follow-up mechanism connected between the left and right connecting arm assemblies, and a lifting mechanism for driving the lifting mechanism , the left and right connecting arm assemblies all include an upper lift arm, a lower lift arm and a lift cylinder; the follow-up mechanism includes a cross bar and hinged seats fixed at both ends of the cross bar, and the hinged seat is a T-shaped structure And the two ends of the side wings of the T-shaped structure form a first hinge part and a second hinge part, and the bottom of the T-shaped structure forms a third hinge part;

One end of the upper lifting arm is hinged to the sliding frame, the other end is hinged to the fixed platform, one end of the lower lifting arm is hinged to the sliding frame, and the other end is hinged to the first hinge of the follow-up mechanism; The second hinge part of the mechanism is hinged with the fixed platform. There are two lifting cylinders and they are respectively arranged on the left and right sides of the fixed platform. The cylinder end of the lifting cylinder is hinged with the sliding frame, and the piston rod end of the lifting cylinder is It is hinged with the third hinge part of the follow-up mechanism.

Further, the turning drive mechanism includes an inverted triangular connecting piece and two small oil cylinders; one corner of the inverted triangle connecting piece is coaxially hinged with the hinge shafts of the turning platform and the fixed platform, and the cylinder bodies of the two small oil cylinders are connected with the fixed platform and the fixed platform respectively. The side of the turning platform is hinged, and the piston rods of the two small oil cylinders are respectively hinged with the two corners of the inverted triangular connector.

Further, the sliding frame and the fixed frame are slidably matched through linear slide rails, the sliding driving mechanism is a sliding driving cylinder, the cylinder body of the sliding driving cylinder is fixed on the fixed frame, and the piston rod of the sliding driving cylinder is connected to the sliding Rack fixed.

Further, the bottom of the fixed platform is provided with rubber wheels, the front end of the overturned platform is provided with chamfers, and both the fixed platform and the bottom of the overturned platform are provided with reinforcing ribs.

Further, both the upper lifting arm and the lower lifting arm are made of channel steel and the middle of the channel steel is provided with reinforcing ribs.

The beneficial effects of the present invention are: a hidden fully automatic vehicle lifting platform system disclosed by the present invention can improve the efficiency and convenience of loading and unloading goods by being installed on the tail or side of the vehicle, and will not affect the position of the compartment door when not in use. Opening and closing saves the swing cylinder, improves the utilization rate of the cylinder, and at the same time has a high degree of automation, without manual participation, reduces potential safety hazards, and greatly improves work efficiency.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and embodiment:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the installation schematic diagram of the present invention;

Fig. 3 is a schematic diagram of the working process of the present invention;

Fig. 4 is the working principle diagram of the follow-up mechanism of the present invention;

Fig. 5 is a working principle diagram of the double guide rod mechanism of the present invention.

Detailed ways

Fig. 1 is a schematic structural diagram of the present invention, Fig. 2 is a schematic diagram of installation of the present invention, Fig. 3 is a schematic diagram of the working process of the present invention, Fig. 4 is a working principle diagram of a follower mechanism of the present invention, and Fig. 5 is a double guide rod of the present invention Mechanism working principle diagram. As shown in Figure 1, the new hidden fully automatic vehicle lifting platform system in this implementation case; Sliding drive oil cylinder 9. The cargo platform 1 includes a fixed platform and an overturning platform, the two platforms are hinged, and the overturning platform is driven to turn around the hinge through the double guide rod mechanism 2; the double guide rod mechanism 2 includes an inverted triangle connector, two small Oil cylinder, one corner of the inverted triangle connector is coaxially hinged with the hinge of the turning platform and the fixed platform, the cylinder bodies of the two small oil cylinders are respectively hinged with the sides of the fixed platform and the turning platform, and the piston rods of the two small oil cylinders are respectively connected with the inverted triangle The two corner hinges of parts; the lifting mechanism includes two upper lifting arms 3, two lower lifting arms 4, a follow-up mechanism 5, two lifting cylinders 6, and the upper lifting arms 3 left and right Symmetrical installation, one end is hinged with the sliding frame 7, the other end is hinged with the fixed platform, the lower lifting arm 4 is symmetrically installed left and right, one end is hinged with the sliding frame 7, the other end is hinged with the follower One end of the mechanism 5 is hinged with the left and right lower lifting arms 4, and one end is hinged with the fixed platform. The frame 7 is connected with the fixed frame 8 through a guide rail, and the guide rail is a linear guide rail with a large bearing capacity and good shock resistance; the fixed frame 8 is fixed together with the vehicle frame by fixing bolts; It is hinged with the crossbeam middle part of the fixed frame, and one end of the piston rod is hinged with the crossbeam middle part of the sliding frame 7.

In this case, the bottom surface of the loading platform is provided with reinforcing ribs to ensure its strength and rigidity, and chamfers are provided on the turning platform to facilitate the loading and unloading of the cargo platform by the trolley; To cushion the impact when it hits the ground. Both the upper lifting arm and the lower lifting arm are U-shaped cross-sections, and reinforcing ribs are arranged in the middle, so as to reduce weight under the premise of ensuring strength and rigidity. The sliding frame is welded from square tubes.

Concrete work process: take cargo transported to the ground from cargo compartment as example, the concrete work process of the present invention is as shown in Figure 3, and the sliding drive oil cylinder elongates, and the sliding frame slides out; The lifting cylinders work at the same time, the former is extended and the latter is shortened until the loading platform is fully opened; the lifting cylinder is extended, and the loading platform rises to be flush with the cargo compartment; The platform descends until the small rubber wheel at the bottom of the cargo platform touches the ground; at this time, the lifting cylinder continues to shorten, because the cargo platform cannot continue to descend, so the follow-up mechanism starts to work; the lift cylinder shortens, the follow-up mechanism and the lower lift The lifting arm is bent at the hinge, so the loading platform begins to tilt until the front end of the loading platform touches the ground, and the lowering action is completed; then the goods are transported smoothly to the loading platform; the lifting cylinder is extended, and the follower mechanism and the lower lift The arm returns to the original position, and the loading platform completes the lifting action; the double guide rod mechanism and the lifting cylinder work at the same time, and the loading platform returns to the folded state; the sliding drive cylinder is shortened, and the whole mechanism returns to the hidden state. The working principles of the follower mechanism and the double guide rod mechanism are shown in Fig. 4 and Fig. 5 .

Finally, it should be noted that the above implementation cases are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be implemented Modifications or equivalent replacements without departing from the spirit and scope of the technical solution of the present invention shall be covered by the claims of the present invention.

Claims (6)

1. A hidden fully automatic car lifting platform system, characterized in that: it includes a fixed frame fixed at the rear of the car or the lower part of the vehicle side frame, a sliding frame that slides and cooperates with the fixed frame in the longitudinal direction, and a reversible, foldable, and shrinkable frame. Cargo platform, a lifting mechanism connected between the sliding frame and the cargo platform for horizontal lifting of the cargo platform; the cargo platform includes a fixed platform connected with the lifting mechanism and a flip hinged with the fixed platform platform; It also includes a drive mechanism, which includes a sliding drive mechanism arranged between the fixed frame and the sliding frame for driving and controlling the horizontal position of the sliding frame and a sliding drive mechanism arranged between the turning platform and the fixed platform for driving and controlling Flip drive mechanism for flip angle of flip platform. 2. The hidden fully automatic vehicle lifting platform system according to claim 1, characterized in that: the lifting mechanism includes left and right connecting arm assemblies arranged on the left and right sides of the fixed platform and connected to the left and right The follow-up mechanism between the connecting arm assemblies and the lifting mechanism for driving the lifting mechanism, the left and right connecting arm assemblies each include an upper lifting arm, a lower lifting arm and a lifting cylinder; the following mechanism It includes a cross bar and a hinge seat fixed at both ends of the cross bar. The hinge seat is a T-shaped structure, and the two ends of the side wings of the T-shaped structure form a first hinge part and a second hinge part, and the bottom of the T-shaped structure forms a third hinge part. . One end of the upper lifting arm is hinged to the sliding frame, the other end is hinged to the fixed platform, one end of the lower lifting arm is hinged to the sliding frame, and the other end is hinged to the first hinge of the follow-up mechanism; The second hinge part of the mechanism is hinged with the fixed platform. There are two lifting cylinders and they are respectively arranged on the left and right sides of the fixed platform. The cylinder end of the lifting cylinder is hinged with the sliding frame, and the piston rod end of the lifting cylinder is It is hinged with the third hinge part of the follow-up mechanism. 3. The hidden fully automatic vehicle lifting platform system according to claim 1, characterized in that: the turning drive mechanism includes an inverted triangular connector and two small oil cylinders; The hinge axis of the platform is coaxially hinged, the cylinder bodies of the two small oil cylinders are respectively hinged with the sides of the fixed platform and the turning platform, and the piston rods of the two small oil cylinders are respectively hinged with the two corners of the inverted triangle connector. 4. The hidden fully automatic vehicle lifting platform system according to claim 3, characterized in that: the sliding frame and the fixed frame are slidably matched through linear slide rails, the sliding drive mechanism is a sliding drive cylinder, and the The cylinder body of the sliding driving oil cylinder is fixed on the fixed frame, and the piston rod of the sliding driving oil cylinder is fixed on the sliding frame. 5. The hidden fully automatic vehicle lifting platform system according to claim 4, characterized in that: the bottom of the fixed platform is provided with small rubber wheels, the front end of the overturned platform is provided with chamfers, and both the fixed platform and the bottom of the overturned platform are provided with There are ribs. 6. The hidden fully automatic vehicle lifting platform system according to claim 5, characterized in that: the upper lifting arm and the lower lifting arm are both made of channel steel and the middle of the channel steel is provided with reinforcing ribs.