Framework type semitrailer frame

Abstract

The utility model discloses a framework type semitrailer frame, and relates to the technical field of frames. The device comprises a fixing frame, a telescopic mechanism is rotationally arranged on one side of the bottom end of the fixing frame, the telescopic mechanism comprises a supporting frame, two chain wheels are rotationally connected to the outer surface of a sliding plate, the outer surfaces of the two chain wheels are jointly connected with a chain in a meshed mode, and a fixing pin is fixedly connected to the bottom end of the supporting frame. The lower portion of the fixing pin is fixedly connected with the outer surface of a chain, one end of the motor penetrates through the sliding plate to be rotationally connected with one chain wheel, the outer surface of one side of the chain is fixedly sleeved with a fixing sleeve, the bottom end of the fixing sleeve is fixedly connected with a telescopic frame, and a sliding groove is formed in the bottom end of the sliding plate. According to the side turning unloading device, the telescopic mechanism is arranged, and under the assistance of the jacking air cylinder, the effects that the loading capacity and flexibility are improved, and side turning unloading is convenient are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle frames, in particular to a frame type semi-trailer vehicle frame. Background Art

[0002] A semi-trailer vehicle frame is a structure composed of a girder, a support cross beam, a connecting cross beam, side beams, a lock head, a drawbar connection device, a panel, etc. The main functions of the vehicle frame are to support loads, install drawbars, suspensions, support devices, etc. Side beams usually adopt channel steel or bent parts. Among them, channel steel is used in most trailers, while light trailers may use bent part side beams more because the requirement for strength is not particularly high. The vehicle frame of a frame type semi-trailer is reasonable in structure, high in strength, and beautiful in appearance during the whole assembly and welding process. And a container tightening device is arranged on the vehicle frame, which can load two standard containers of 40 feet and 20 feet. However, when most semi-trailer vehicle frames load goods, due to limited loading capacity and simple loading structure, they cannot be adjusted according to the volume and shape of the goods, which cannot meet different transportation requirements. And during the unloading process, they cannot quickly unload scattered goods and require manual unloading operations. Content of the Utility Model

[0003] In order to solve the problems of low loading flexibility and inconvenient unloading; the purpose of the utility model is to provide a frame type semi-trailer vehicle frame.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a frame type semi-trailer vehicle frame, including a fixed frame, one side of the bottom end of the fixed frame is rotatably provided with a telescopic mechanism. The telescopic mechanism includes a support frame, the bottom end of the support frame is fixedly connected with a slide rail, the outer surface of the slide rail is slidably sleeved with a sliding plate, the outer surface of the sliding plate is rotatably connected with two sprockets, the outer surfaces of the two sprockets are jointly meshed with a chain, the bottom end of the support frame is fixedly connected with a fixed pin, the lower part of the fixed pin is fixedly connected with the outer surface of the chain, one end of the sliding plate is fixedly installed with a motor, one end of the motor penetrates through the sliding plate and is fixedly connected with one of the sprockets, a fixed sleeve is fixedly sleeved on one side outer surface of the chain, the bottom end of the fixed sleeve is fixedly connected with a telescopic frame, and a chute is opened at the bottom end of the sliding plate, and the outer surface of the upper part of the telescopic frame is slidably connected with the outer surface of the chute.

[0005] Preferably, five cross beams are fixedly connected to the inner walls on both sides of the fixing frame, two vertical plates are fixedly connected to the bottom end of the fixing frame, rotating shafts are rotatably connected to both ends of the fixing frame and the support frame, a connecting plate is fixedly sleeved on the outer surfaces of the two rotating shafts on the same side, five fixing grooves are formed in one side of the top end of the support frame, fixing seats are fixedly installed between the inner walls of the five fixing grooves, a lifting cylinder is rotatably connected between the inner walls of the five fixing seats, and the top ends of the five lifting cylinders are rotatably connected to the bottom end of one of the vertical plates.

[0006] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0007] 1. By providing a telescopic mechanism, the present utility model can be adjusted according to the size and shape of the goods through the telescopic mechanism, improving the loading capacity and flexibility of the vehicle, increasing the loading capacity without increasing the vehicle length, and reducing the transportation cost.

[0008] 2. By providing a lifting cylinder, the present utility model can effectively improve the transportation efficiency of loading, unloading and transporting bulk and scattered goods, and reduce the weight of the vehicle while ensuring the strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0010] Figure 1 It is a schematic structural diagram of the present utility model.

[0011] Figure 2 It is a partial structural schematic diagram of the present utility model.

[0012] Figure 3 It is a schematic structural diagram of the telescopic mechanism of the present utility model.

[0013] Figure 4 It is another perspective structural schematic diagram of the telescopic mechanism of the present utility model.

[0014] In the figure: 1, fixing frame; 2, telescopic mechanism; 11, cross beam; 12, vertical plate; 13, connecting plate; 14, fixing groove; 15, fixing seat; 16, lifting cylinder; 20, rotating shaft; 21, support frame; 22, telescopic frame; 23, slide rail; 24, sliding plate; 25, sprocket; 26, chain; 27, motor; 28, fixing pin; 29, fixing sleeve; 30, chute. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0016] Embodiment 1: As Figures 1-3As shown in the figure, the utility model provides a frame type semi-trailer frame, which includes a fixed frame 1. One side of the bottom end of the fixed frame 1 is rotatably provided with a telescopic mechanism 2. The telescopic mechanism 2 includes a support frame 21. The bottom end of the support frame 21 is fixedly connected with a slide rail 23. The outer surface of the slide rail 23 is slidably sleeved with a slide plate 24. The outer surface of the slide plate 24 is rotatably connected with two sprockets 25. The outer surfaces of the two sprockets 25 are commonly meshed with a chain 26. The bottom end of the support frame 21 is fixedly connected with a fixing pin 28. The lower part of the fixing pin 28 is fixedly connected with the outer surface of the chain 26. One end of the slide plate 24 is fixedly installed with a motor 27. One end of the motor 27 penetrates through the slide plate 24 and is fixedly connected with one of the sprockets 25. A fixing sleeve 29 is fixedly sleeved on the outer surface of one side of the chain 26. The bottom end of the fixing sleeve 29 is fixedly connected with a telescopic frame 22. A chute 30 is opened at the bottom end of the slide plate 24. The outer surface of the upper part of the telescopic frame 22 is slidably connected with the outer surface of the chute 30. The operator can drive the slide plate 24 to slide horizontally along the slide rail 23 by starting the motor 27 under the drive of the two sprockets 25 and the chain 26. During the transmission of the chain 26, the fixing of the fixing pin 28 provides a reaction force for moving the slide plate 24. The fixing sleeve 29 on one side of the chain 26 drives the telescopic frame 22 to extend inside the slide plate 24 during the movement of the chain 26, so as to realize the telescoping of the telescopic frame 22. Five cross beams 11 are fixedly connected to the inner walls on both sides of the fixed frame 1. Two vertical plates 12 are fixedly connected to the bottom end of the fixed frame 1. Both ends of the fixed frame 1 and the support frame 21 are rotatably connected with a rotating shaft 20. A connecting plate 13 is commonly fixedly sleeved on the outer surfaces of the two rotating shafts 20 on the same side. Five fixing grooves 14 are opened on one side of the top end of the support frame 21. Fixing seats 15 are fixedly installed between the inner walls of the five fixing grooves 14. A jacking cylinder 16 is rotatably connected between the inner walls of the five fixing seats 15. The tops of the five jacking cylinders 16 are commonly rotatably connected with the bottom end of one of the vertical plates 12. The five jacking cylinders 16 at the bottom ends of the two vertical plates 12 are rotatably connected with the inner wall of the support frame 21. The rotating shafts 20 and the connecting plate 13 at both ends of the fixed frame 1 and the telescopic mechanism 2 provide the feasibility for turning the fixed frame 1 on one side. The operator can turn the fixed frame 1 on its side to quickly unload the goods. The fixed frame 1, the support frame 21, and the telescopic frame 22 are all in a rectangular hollow shape. The telescopic frame 22 is in a "mountain" shape. The centers of the fixed frame 1, the support frame 21, and the telescopic frame 22 are on the same vertical line. The size of the fixed frame 1 is the same as that of the support frame 21. The fixed frame 1 is made of high-strength alloy steel. The rectangular hollow fixed frame 1, telescopic frame 22, and support frame 21 reduce the weight of the vehicle, provide a stable and firm support for the vehicle, and improve the stability of vehicle transportation. The same size of the fixed frame 1 and the support frame 21 is to facilitate the jacking and resetting of the fixed frame 1 by the five jacking cylinders 16 fixed inside the support frame 21.The five crossbeams 11 are horizontally and equally spaced, and a plurality of through circular grooves are formed on the outer surfaces of the five crossbeams 11. The plurality of circular grooves are mainly for installing the suspension system of the vehicle, and the connection between the wheels and the vehicle frame is realized by installing corresponding suspension brackets in the circular grooves.

[0017] Working principle: When telescoping is required, the motor 27 in the telescoping mechanism 2 is started. The output end of the motor 27 drives the sprocket 25 to rotate counterclockwise. The rotational force drives the chain 26 to drive counterclockwise. The fixing pin 28 fixes the chain 26, and drives the sliding plate 24 to slide along the outer surface of the slide rail 23 through the reaction force. During the transmission of the chain 26, one side fixing sleeve 29 drives the telescopic frame 22 to slide out between the inner walls of the sliding plate 24 through the chute 30. The support frame 21 plays a role of connecting the upper and lower parts, so that the telescopic frame 22 makes an extending movement at the bottom end of the support frame 21, achieving the purpose of telescoping the telescopic frame 22 and facilitating the operator to load different goods; when it is necessary to unload the goods at the top end of the support frame 21, the five lifting cylinders 16 connected to one side of the fixed frame 1 are started. The five lifting cylinders 16 are all embedded and installed between the inner walls of the support frame 21. The two ends of the five lifting cylinders 16 are respectively rotatably connected to the fixed frame 1 and the support frame 21. The fixed frame 1 is turned over along one side by the lifting of the lifting cylinder 16 under the rotation of the two rotating shafts 20, so as to achieve the purpose of turning over and fixing the fixed frame 1 and facilitating the operator to unload the goods.

[0018] Obviously, those skilled in the art can make various changes and modifications to the present utility model without departing from the spirit and scope of the present utility model. Thus, if these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and their equivalent technologies, the present utility model is also intended to include these changes and modifications.

Claims

1. A frame of a skeleton semi-trailer, comprising a fixed frame (1), characterized in that: One side of the bottom end of the fixing frame (1) is rotatably provided with a telescopic mechanism (2); the telescopic mechanism (2) includes a support frame (21), the bottom end of the support frame (21) is fixedly connected with a slide rail (23), the outer surface of the slide rail (23) is slidably sleeved with a slide plate (24), the outer surface of the slide plate (24) is rotatably connected with two sprockets (25), the outer surfaces of the two sprockets (25) are jointly meshed and connected with a chain (26), the bottom end of the support frame (21) is fixedly connected with a fixing pin (28), the lower part of the fixing pin (28) is fixedly connected with the outer surface of the chain (26), one end of the slide plate (24) is fixedly installed with a motor (27), one end of the motor (27) penetrates through the slide plate (24) and is fixedly connected with one of the sprockets (25), a fixing sleeve (29) is fixedly sleeved on one side outer surface of the chain (26), the bottom end of the fixing sleeve (29) is fixedly connected with a telescopic frame (22), a chute (30) is opened at the bottom end of the slide plate (24), and the outer surface of the upper part of the telescopic frame (22) is slidably connected with the outer surface of the chute (30).

2. The frame of a skeletal semi-trailer as described in claim 1, wherein Five cross beams (11) are fixedly connected to the inner walls on both sides of the fixing frame (1), two vertical plates (12) are fixedly connected to the bottom end of the fixing frame (1), the two ends of the fixing frame (1) and the support frame (21) are rotatably connected with a rotating shaft (20), the outer surfaces of the two rotating shafts (20) on the same side are jointly fixedly sleeved with a connecting plate (13), five fixing grooves (14) are opened on one side of the top end of the support frame (21), fixing seats (15) are fixedly installed between the inner walls of the five fixing grooves (14), a lifting cylinder (16) is rotatably connected between the inner walls of the five fixing seats (15), and the top ends of the five lifting cylinders (16) are jointly rotatably connected with the bottom end of one of the vertical plates (12).

3. A frame of a skeletal semi-trailer as claimed in claim 1, wherein, The fixing frame (1), the support frame (21), and the telescopic frame (22) are all in a rectangular hollow shape.

4. A frame of a skeleton semi-trailer as described in claim 1, characterized in that, The telescopic frame (22) is in a "mountain" shape.

5. A frame of a skeleton semi-trailer as described in claim 1, characterized in that, The central points of the fixing frame (1), the support frame (21), and the telescopic frame (22) are on the same vertical horizontal line.

6. The frame of a skeletal semi-trailer as described in claim 2, characterized in that, The five cross beams (11) are horizontally and equally spaced, and a plurality of through circular grooves are opened on the outer surfaces of the five cross beams (11).

7. A frame of a skeleton semi-trailer as claimed in claim 1, characterized in that, The size of the fixing frame (1) is the same as that of the support frame (21).

8. The frame of a skeleton semi-trailer as claimed in claim 1, wherein, The fixing frame (1) is made of high-strength alloy steel material.

Images