CN216467497U

CN216467497U - Automatic semitrailer equipped with automatic loading and unloading device

Info

Publication number: CN216467497U
Application number: CN202122660066.1U
Authority: CN
Inventors: 王树贤
Original assignee: Cheng'an Zhifang Transportation Equipment Manufacturing Co ltd
Current assignee: Cheng'an Zhifang Transportation Equipment Manufacturing Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-05-10
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses an automatic semitrailer with an automatic loading and unloading device, which comprises a semitrailer body, wherein a carriage is arranged on the semitrailer body, an loading and unloading device is arranged on the rear side of the carriage, the loading and unloading device comprises power transmission assemblies, a U-shaped connecting frame and a loading tray, the power transmission assemblies are symmetrically arranged on two opposite side walls of the carriage and are close to the rear end of the carriage, two ends of the U-shaped connecting frame are respectively connected with the two groups of power transmission assemblies and are positioned at the rear end of the carriage, and the loading tray is arranged on the U-shaped connecting frame. The utility model relates to the technical field of semi-trailers, in particular to an automatic semi-trailer with an automatic loading and unloading device.

Description

Automatic semitrailer equipped with automatic loading and unloading device

Technical Field

The utility model relates to the technical field of semi-trailers, in particular to an automatic semi-trailer with an automatic loading and unloading device.

Background

The van-type semi-trailer can be generally used for helping manufacturers to transport household appliances, light goods, hardware products and the like, and when the semi-trailer loads and unloads goods at present, the goods are lifted by other equipment such as a forklift and the like to be loaded into a carriage or are moved from the carriage, and the loading and unloading work cannot be finished by manpower only under the condition that the forklift is not available.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the scheme provides the automatic semitrailer with the automatic loading and unloading device.

The technical scheme adopted by the utility model is as follows: the automatic semitrailer with the automatic loading and unloading device comprises a vehicle body, wherein a vehicle box is arranged on the vehicle body, an loading and unloading device is arranged on the rear side of the vehicle box and comprises a power transmission assembly, a U-shaped connecting frame and a loading tray, the power transmission assembly is symmetrically arranged at the rear ends, close to the vehicle box, of the two opposite side walls of the vehicle box, two ends of the U-shaped connecting frame are connected with the two sets of power transmission assemblies respectively and are located at the rear end of the vehicle box, and the loading tray is arranged on the U-shaped connecting frame.

Preferably, the power transmission subassembly includes power dish, fixed bolster, extension frame, drive rod group, telescopic link and lifting support pole, the power dish rotates and locates on the railway carriage lateral wall, the fixed bolster is located on the railway carriage lateral wall, the extension is erect on the fixed bolster, drive rod group articulates locates on the extension frame and rotates the eccentric department of locating the power dish, railway carriage lateral wall rear side upper portion is located to the telescopic link, lifting support pole locates the bottom of telescopic link, U type link frame both ends slide respectively cup joint locate on two sets of lifting support poles and with two sets of drive rod group articulated.

Preferably, the drive rod group includes power rod, transfer line, gag lever post one, gag lever post two, constitutes pole one, constitutes pole two, constitutes pole three and constitutes pole four, the head end of extension frame is located in the transfer line is articulated, the power rod rotates the eccentric department of locating the power disc and articulates with the middle part of transfer line, constitute pole one and constitute two one end and all articulate with the head end of transfer line, constitute pole three and constitute four one end of pole and articulate with the activity end of constituting pole one and constituting pole two respectively, constitute pole three and constitute four other ends of pole and articulate on the same point on the U type link, gag lever post two both ends articulate respectively and locate on the extension frame and constitute the junction of pole one and constituting pole three, gag lever post two both ends articulate respectively and locate on the extension frame and constitute the junction of pole two and constitute pole four, constitute pole one, constitute pole two, The third component rod and the fourth component rod form a parallelogram.

Preferably, a motor box is arranged on the side wall of the carriage, a first motor is arranged in the motor box, and an output shaft of the first motor is connected with the power disc.

Preferably, the bottom of the lifting support rod is provided with a support pad.

Preferably, the telescopic rod and the lifting support rod are both vertically arranged.

The utility model with the structure has the following beneficial effects: when this scheme loading and unloading was used, extend through the telescopic link with lifting support pole below to contact ground to utilize the power disc to rotate and drive the drive rod group around extending the frame luffing motion, thereby drive U type connecting frame and reciprocate, make the platform of carrying cargo remove between ground and railway carriage and transport the goods.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic diagram of the overall structure of an automatic semitrailer with an automatic loading and unloading device in the scheme;

fig. 2 is a schematic structural diagram of the automatic loading and unloading device of the automatic semitrailer equipped with the automatic loading and unloading device.

The device comprises a vehicle body 1, a vehicle body 2, a vehicle box 3, a goods loading and unloading device 4, a power transmission assembly 5, a U-shaped connecting frame 6, a goods loading plate 7, a power disc 8, a fixing support 9, an extension frame 10, a transmission rod group 11, a telescopic rod 12, a lifting support rod 13, a power rod 14, a transmission rod 15, a limiting rod I, a limiting rod 16, a limiting rod II, a limiting rod 17, a composition rod I, a composition rod II, a composition rod III, a composition rod IV, a composition rod 21 and a supporting pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-2, the automatic semitrailer with the automatic loading and unloading device comprises a vehicle body 1, a wagon box 2 is arranged on the vehicle body 1, an loading and unloading device 3 is arranged on the rear side of the wagon box 2, the loading and unloading device 3 comprises a power transmission assembly 4, a U-shaped connecting frame 5 and a cargo carrying tray 6, the power transmission assembly 4 is symmetrically arranged on two opposite side walls of the wagon box 2 and close to the rear end of the wagon box 2, two ends of the U-shaped connecting frame 5 are respectively connected with two groups of power transmission assemblies 4 and are located at the rear end of the wagon box 2, and the cargo carrying tray 6 is arranged on the U-shaped connecting frame 5.

The power transmission assembly 4 comprises a power disc 7, a fixed support 8, an extension frame 9, a transmission rod group 10, an expansion link 11 and lifting support rods 12, wherein the power disc 7 is rotatably arranged on the side wall of the compartment 2, the fixed support 8 is arranged on the side wall of the compartment 2, the extension frame 9 is arranged on the fixed support 8, the transmission rod group 10 is hinged on the extension frame 9 and rotatably arranged at the eccentric position of the power disc 7, the expansion link 11 is arranged at the upper part of the rear side of the side wall of the compartment 2, the lifting support rods 12 are arranged at the bottom end of the expansion link 11, and two ends of the U-shaped connecting frame 5 are respectively sleeved on the two groups of lifting support rods 12 in a sliding mode and hinged with the two groups of transmission rod groups 10; the transmission rod group 10 comprises a power rod 13, a transmission rod 14, a first limiting rod 15, a second limiting rod 16, a first component rod 17, a second component rod 18, a third component rod 19 and a fourth component rod 20, the transmission rod 14 is hinged to the head end of the extension frame 9, the power rod 13 is rotatably arranged at the eccentric position of the power disc 7 and is hinged to the middle of the transmission rod 14, one ends of the first component rod 17 and the second component rod 18 are hinged to the head end of the transmission rod 14, one ends of the third component rod 19 and the fourth component rod 20 are respectively hinged to the movable ends of the first component rod 17 and the second component rod 18, the other ends of the third component rod 19 and the fourth component rod 20 are hinged to the same point on the U-shaped connecting frame 5, two ends of the first limiting rod 15 are respectively hinged to the connection position of the first component rod 17 and the third component rod 19, two ends of the second limiting rod 16 are respectively hinged to the extension frame 9 and the connection position of the second component rod 18 and the fourth component rod 20, the first component rod 17, the second component rod 18, the third component rod 19 and the fourth component rod 20 form a parallelogram.

As shown in fig. 1, a motor box (not shown) is arranged on the side wall of the compartment 2, a first motor (not shown) is arranged in the motor box, an output shaft of the first motor is connected with the power disc 7, a supporting pad 21 is arranged at the bottom of the lifting support rod 12, and the telescopic rod 11 and the lifting support rod 12 are vertically arranged.

When in use, the telescopic rod 11 is started to extend to drive the lifting support rod 12 to move downwards, so that the support pad 21 is contacted with the ground, the U-shaped connecting frame 5 is positioned at the upper part of the lifting support rod 12 and at the rear side of the carriage 2, the power disc 7 is driven to rotate by the starting motor, the power disc 7 drives the transmission rod 14 to swing up and down around the extension frame 9 through the power rod 13, at the moment, the first component rod 17, the second component rod 18, the third component rod 19 and the fourth component rod 20 are driven to form a parallelogram to move up and down through the first limiting rod 15 and the second limiting rod 16, thereby drive U type link frame 5 and slide from top to bottom at lift bracing piece 12, make the cargo tray 6 reciprocate between ground and railway carriage 2 rear end, realize the loading and unloading function of goods, constitute pole one 17, constitute pole two 18, constitute pole three 19 and constitute pole four 20 and constitute the parallelogram and compensate the interval variation between the U type link frame 5 and the head end of transfer line 14 in the process of reciprocating through the continuous deformation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An automatic semitrailer equipped with an automatic loading and unloading device is characterized in that: the automatic loading and unloading device comprises a vehicle body, wherein a vehicle box is arranged on the vehicle body, an loading and unloading device is arranged on the rear side of the vehicle box, the loading and unloading device comprises a power transmission assembly, a U-shaped connecting frame and a loading tray, the power transmission assembly is symmetrically arranged on two opposite side walls of the vehicle box and is close to the rear end of the vehicle box, two ends of the U-shaped connecting frame are respectively connected with two sets of power transmission assemblies and are located at the rear end of the vehicle box, and the loading tray is arranged on the U-shaped connecting frame.

2. The automatic semitrailer equipped with an automatic loading and unloading device according to claim 1, wherein: the power transmission assembly comprises a power disc, a fixed support, an extension frame, a transmission rod group, a telescopic rod and a lifting support rod, the power disc is rotatably arranged on the side wall of the carriage, the fixed support is arranged on the side wall of the carriage, the extension frame is arranged on the fixed support, the transmission rod group is hinged to the extension frame and rotates to be arranged at the eccentric position of the power disc, the telescopic rod is arranged on the upper portion of the rear side of the side wall of the carriage, the lifting support rod is arranged at the bottom end of the telescopic rod, and two ends of the U-shaped connecting frame are respectively slidably sleeved on the two groups of lifting support rods and hinged to the two groups of transmission rod groups.

3. An automatic semitrailer equipped with an automatic loading and unloading device according to claim 2, characterized in that: the transmission rod group comprises a power rod, a transmission rod, a first limiting rod, a second limiting rod, a first component rod, a second component rod, a third component rod and a fourth component rod, the transmission rod is hinged at the head end of the extension frame, the power rod is rotatably arranged at the eccentric position of the power disc and is hinged with the middle part of the transmission rod, one end of the first component rod and one end of the second component rod are hinged with the head end of the transmission rod, one end of the third component rod and one end of the fourth component rod are respectively hinged with the movable ends of the first component rod and the second component rod, the other ends of the third component rod and the fourth component rod are hinged on the same point on the U-shaped connecting frame, the two ends of the first limiting rod are respectively hinged on the extending frame and the joint of the first component rod and the third component rod, the two ends of the limiting rod II are respectively hinged to the joints of the extending frame and the component rod II and the component rod IV, and the component rod I, the component rod II, the component rod III and the component rod IV form a parallelogram.

4. An automatic semitrailer equipped with an automatic loading and unloading device according to claim 2, characterized in that: the side wall of the carriage is provided with a motor box, a first motor is arranged in the motor box, and an output shaft of the first motor is connected with the power disc.

5. An automatic semitrailer equipped with an automatic loading and unloading device according to claim 2, characterized in that: the bottom of the lifting support rod is provided with a support pad.

6. An automatic semitrailer equipped with an automatic loading and unloading device according to claim 2, characterized in that: the telescopic rod and the lifting support rod are vertically arranged.