CN209240803U - A kind of tractor trailer device - Google Patents

Abstract

The utility model discloses a kind of tractor trailer devices, including bottom plate, the upper side wall of the bottom plate is rotatably connected to connecting plate, the upper side wall of the connecting plate is fixedly connected with towing carriage, the lower wall of the bottom plate is fixedly connected with fixed plate and two symmetrically arranged connecting rods, the fixed plate is equipped with trailer mechanism, the trailer mechanism includes the installing port being provided in fixed plate, compressed spring is fixedly connected on the inner wall of the installing port, the lower wall of the bottom plate is fixedly connected with the placement plate being obliquely installed.The utility model is by hanging over the hook after tractor body in mounting ring, bottom plate is set to link together with tractor, when use, since the elastic force of compressed spring acts on, the hook of mounting ring and tractor can be made to slide in installing port, it avoids bottom plate and is directly rigidly connected with tractor, prevent fixed plate stress concentration from causing to crack, the service life of towing carriage can be extended.

Description

A kind of tractor trailer device

Technical field

The utility model relates to tractor trailer field more particularly to a kind of tractor trailer devices.

Background technique

Tractor trailer is a kind of a kind of vehicle for hauling article, by chassis, hoisting apparatus, lifts traction device, liquid The composition such as pressure system, electric-control system, car body and tool box has lifting, pulls and lift the multiple functions such as traction, due to dilatory Machine is mostly walking in field or hillside dirt road, encounters rain and snow weather, walks extremely difficult, therefore the company of tractor trailer The place of connecing is easy to be broken after long-term use.

But existing tractor trailer is during use, and tractor usually directlys adopt welding, solder joint with trailer Locating easy stress concentration causes to crack, and makes Joint failure, and carrying is not reasonable, and connection is not secured enough, is easy to cause towing carriage It is separated with trailer, when using tractor trailer transport article, moving ahead or moving backward for tractor trailer is very difficult, tends to Situations such as falling into vehicle occurs, delays work and mistakes.

Utility model content

Purpose of the utility model is to solve the problems in background techniques, and a kind of tractor trailer dress proposed It sets.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of tractor trailer device, including bottom plate, the upper side wall of the bottom plate are rotatably connected to connecting plate, the connection The upper side wall of plate is fixedly connected with towing carriage, and the lower wall of the bottom plate is fixedly connected with fixed plate and two symmetrically arranged companies Extension bar, the fixed plate are equipped with trailer mechanism, and the trailer mechanism includes the installing port being provided in fixed plate, the installation It is fixedly connected with compressed spring on the inner wall of mouth, the lower wall of the bottom plate is fixedly connected with the placement plate being obliquely installed, described The upper side wall of placement plate is fixedly connected with cylinder, the driving end of the cylinder tilt upward through bottom plate and with the downside of connecting plate Wall rotation connection.

Preferably, the compressed spring is fixedly connected with mounting ring far from one end of installing port.

Preferably, the two sides of the fixed plate are fixedly connected to mounting plate, offer spiral shell on each mounting plate Pit, opens up that there are two symmetrically arranged thread grooves on the bottom plate.

Preferably, the size position of each thread groove matches with threaded hole, each corresponding screw thread Threaded rod is threaded in hole and thread groove.

Preferably, port is offered in two connecting rods, is installed with shaft jointly in two ports, it is described The both ends of shaft are installed with tire.

Preferably, the model CP96 of the cylinder.

Compared with prior art, the advantages of this tractor trailer device, is:

1, installing port, mounting ring and compressed spring is arranged is made by hanging over the hook after tractor body in mounting ring Bottom plate links together with tractor, in use, the elastic force due to compressed spring acts on, can make the hook of mounting ring and tractor It is slided in installing port, avoids bottom plate and be directly rigidly connected with tractor, prevent fixed plate stress concentration from causing to crack, it can Extend the service life of towing carriage.

2, threaded rod, thread groove and mounting plate are set, by will be on threaded rod threaded hole and bottom plate on a mounting board It is screwed in thread groove, fixed plate is fixed, keep the connection of fixed plate stronger.

3, cylinder is set, by starting cylinder, extends the driving end of cylinder, connecting plate rotation is pushed, to make trailer Frame rotation, conveniently unloads the cargo on towing carriage, easy to operate, time saving and energy saving.

In conclusion the utility model by the hook after tractor body by hanging in mounting ring, making bottom plate and drawing Machine links together, in use, the elastic force due to compressed spring acts on, can make the hook of mounting ring and tractor in installing port Sliding, avoids bottom plate and is directly rigidly connected with tractor, prevents fixed plate stress concentration from causing to crack, can extend towing carriage Service life.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of tractor trailer device side view；

Fig. 2 be the utility model proposes a kind of tractor trailer device insole board front view；

Fig. 3 be the utility model proposes a kind of tractor trailer device top view；

Fig. 4 is the enlarged drawing of part A in Fig. 3.

In figure: 1 bottom plate, 2 connecting plates, 3 towing carriages, 4 fixed plates, 5 placement plates, 6 cylinders, 7 connecting rods, 8 tires, 9 shafts, 10 mounting rings, 11 mounting plates, 12 threaded holes, 13 threaded rods, 14 thread grooves, 15 installing ports, 16 compressed springs.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-4, a kind of tractor trailer device, including bottom plate 1, the upper side wall of bottom plate 1 are rotatably connected to connecting plate 2, the upper side wall of connecting plate 2 is fixedly connected with towing carriage 3, and cargo can be loaded on towing carriage 3 by when use, the downside of bottom plate 1 Wall is fixedly connected with fixed plate 4 and two symmetrically arranged connecting rods 7, and the lower wall of bottom plate 1, which is fixedly connected with, to be obliquely installed Placement plate 5, the upper side wall of placement plate 5 are fixedly connected with cylinder 6, and the driving end of the model CP96 of cylinder 6, cylinder 6 are tilted towards Upper to be rotatablely connected through bottom plate 1 and with the lower wall of connecting plate 2, when use, can make the driving end of cylinder 6 by starting cylinder 6 Elongation pushes connecting plate 2 to rotate, so that towing carriage 3 be made to rotate, conveniently unloads the cargo on towing carriage 3, easy to operate, time saving It is laborsaving.

Fixed plate 4 is equipped with trailer mechanism, and trailer mechanism includes the installing port 15 being provided in fixed plate 4, installing port 15 Inner wall on be fixedly connected with compressed spring 16, thicker spring may be selected in compressed spring 16, prevent using when compressed spring 16 Fracture, compressed spring 16 is fixedly connected with mounting ring 10 far from one end of installing port 15, by by the hook after tractor body It hangs in mounting ring 10, bottom plate 1 is made to link together with tractor, in use, the elastic force due to compressed spring 16 acts on, can make The hook of mounting ring 10 and tractor slides in installing port 15, avoids bottom plate 1 and is directly rigidly connected with tractor, prevents solid 4 stress of fixed board concentration causes to crack, and can extend the service life of towing carriage 3.

The two sides of fixed plate 4 are fixedly connected to mounting plate 11, offer threaded hole 12, bottom plate on each mounting plate 11 It is opened up on 1 there are two symmetrically arranged thread groove 14, the size position of each thread groove 14 matches with threaded hole 12, each It is threaded with threaded rod 13 in corresponding threaded hole 12 and thread groove 14, it can be by the way that threaded rod 13 be being installed before It is screwed in the thread groove 14 on threaded hole 12 and bottom plate 1 on plate 11, fixed plate 4 is fixed, makes the connection of fixed plate 4 more Securely.

Port is offered in two connecting rods 7, is installed with shaft 9 in two ports jointly, and the both ends of shaft 9 are installed There is tire 8, after bottom plate 1 is connect with tractor, tractor when driving, can drive bottom plate 1 by the cooperation of tire 8 and shaft 9 It is mobile.

It further illustrates, it is above-mentioned to be fixedly connected unless specifically defined or limited otherwise, otherwise to shall be understood in a broad sense, example Such as, it can be welding, be also possible to gluing, or be integrally formed the customary means well known to those skilled in the art such as setting.

In the utility model, using it is preceding can by by threaded rod 13 on the threaded hole 12 and bottom plate 1 on mounting plate 11 It is screwed in thread groove 14, fixed plate 4 is fixed, keep the connection of fixed plate 4 stronger, then by will be after tractor body It hangs in mounting ring 10, bottom plate 1 is made to link together with tractor, in use, the elastic force due to compressed spring 16 acts on, The hook of mounting ring 10 and tractor can be made to slide in installing port 15, bottom plate 1 is avoided and be directly rigidly connected with tractor, prevented Only 4 stress of fixed plate concentration causes to crack, and can extend the service life of towing carriage 3, and cargo can be loaded in trailer by when use On frame 3, then by starting cylinder 6, the driving end of cylinder 6 is extended, connecting plate 2 is pushed to rotate, so that towing carriage 3 is rotated, The cargo on towing carriage 3 is conveniently unloaded, it is easy to operate, it is time saving and energy saving.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of tractor trailer device, including bottom plate (1), which is characterized in that the upper side wall of the bottom plate (1) is rotatably connected to The upper side wall of connecting plate (2), the connecting plate (2) is fixedly connected with towing carriage (3), and the lower wall of the bottom plate (1) is fixed to be connected It is connected to fixed plate (4) and two symmetrically arranged connecting rods (7), the fixed plate (4) is equipped with trailer mechanism, the trailer machine Structure includes the installing port (15) being provided on fixed plate (4), is fixedly connected with compressed spring on the inner wall of the installing port (15) (16), the lower wall of the bottom plate (1) is fixedly connected with the placement plate (5) being obliquely installed, and the upper side wall of the placement plate (5) is solid Surely it is connected with cylinder (6), the driving end of the cylinder (6) tilts upward through bottom plate (1) and turns with the lower wall of connecting plate (2) Dynamic connection.

2. a kind of tractor trailer device according to claim 1, which is characterized in that the compressed spring (16) is far from peace One end of dress mouth (15) is fixedly connected with mounting ring (10).

3. a kind of tractor trailer device according to claim 1, which is characterized in that the two sides of the fixed plate (4) are equal It is fixedly connected with mounting plate (11), offers threaded hole (12) on each mounting plate (11), opened up on the bottom plate (1) There are two symmetrically arranged thread groove (14).

4. a kind of tractor trailer device according to claim 3, which is characterized in that each thread groove (14) it is big Small position matches with threaded hole (12), is threadedly coupled in each corresponding threaded hole (12) and thread groove (14) There are threaded rod (13).

5. a kind of tractor trailer device according to claim 1, which is characterized in that in two connecting rods (7) Port is offered, is installed with jointly in two ports shaft (9), the both ends of the shaft (9) are installed with tire (8).

6. a kind of tractor trailer device according to claim 1, which is characterized in that the model of the cylinder (6) CP96。