CN216129290U - A transport automobile body for unmanned tray carrier - Google Patents

Abstract

The utility model relates to a transfer vehicle body for an unmanned pallet truck, which comprises a pallet forking mechanism, wherein the pallet forking mechanism is arranged on the transfer vehicle body and can move back and forth relative to the transfer vehicle body; the transfer vehicle body comprises a vehicle chassis, driving wheel assemblies are mounted on two sides of the bottom of the vehicle chassis, and a channel space for the tray forking mechanism to move back and forth is formed in the vehicle chassis. This transport automobile body uses as unmanned tray carrier's transportation main part, it is used for getting mechanism's cooperation work with the tray fork, through leave the passageway space that supplies the tray fork to get the mechanism back-and-forth movement on it, the tray fork gets the mechanism and can release forward under power drive and fork the goods thing, so the height of this transport automobile body chassis apart from ground no longer receives the restriction of current tray fork height, consequently, a yard camera is swept to the mountable on the chassis, multiple navigation spare such as magnetic sensor, make unmanned tray carrier's navigation mode no longer receive the structural constraint of chassis, thereby make it can adapt to the scene of difference.

Description

A transport automobile body for unmanned tray carrier

Technical Field

The utility model relates to the technical field of unmanned carrying vehicles, in particular to a transferring vehicle body for an unmanned pallet carrying vehicle.

Background

An unmanned pallet truck is a novel device for replacing a manual forklift and carrying a pallet object in an unmanned way by utilizing an autonomous navigation technology. The unmanned pallet truck of current development is usually on the basis of former artifical fork truck mechanical structure and adds the improvement of autonomous navigation technique and form, and its structure is that fork usually gets mechanism fixed mounting on the vehicle bottom dish, and fork gets the fork that the mechanism has ability lift removal, and current unmanned pallet truck mainly has following shortcoming:

1. most of navigation technologies adopt laser to make navigation, and laser navigation still has certain disadvantages, such as high requirement on peripheral environment, poor navigation stability and high cost, because the existing tray is used as an indispensable transported object in forklift transportation, has formed a standard, the structural advantages and manufacturing cost thereof are widely accepted by users, and is basically widely used by various industries, however, the tray has the structural characteristics that the tray is designed for a manual forklift, so that the size of the chassis is strictly limited, for example, a main view structural schematic diagram of the most common standard tray is shown in figure 1, a fork opening for inserting a fork of the forklift is reserved at the bottom of the tray, the height h of the fork opening is 110mm, the height of the fork opening has a great limit on the design of the chassis structure, therefore, the chassis cannot be heightened, so that a camera cannot be additionally installed at the bottom of the chassis, even if the camera can be additionally installed, the code scanning camera cannot accurately shoot the two-dimensional code on the ground, so that most of the existing unmanned trays adopt laser navigation;

2. in the carrying process of the existing forklift, the fork forks the carried object, the gravity centers of the carried object are all on the fork, when the fork forks the carried object, the goods are easy to topple towards the forking direction, and safety accidents occur;

3. the load capacity is limited and large loads cannot be handled.

In view of the above, there is a need for an improved and optimized off-the-shelf pallet truck, which is designed to have a fork mechanism that can be pushed in or out relative to a chassis, and there is no transfer truck body that matches the fork mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a transfer vehicle body for an unmanned pallet truck, which has reasonable structural design and no limitation on a navigation mode by a vehicle body structure.

The technical scheme adopted by the utility model for solving the problems is as follows: a transfer car body for an unmanned pallet truck, the unmanned pallet truck comprising a pallet forking mechanism mounted on the transfer car body and movable back and forth relative to the transfer car body; the method is characterized in that: the transfer vehicle body comprises a vehicle chassis, driving wheel assemblies are mounted on two sides of the bottom of the vehicle chassis, and a channel space for the tray to fork and take the mechanism to move back and forth is formed in the vehicle chassis.

Preferably, the bottom four corners of the vehicle chassis are respectively provided with a second supporting wheel.

Preferably, the second supporting wheel adopts a universal wheel.

Preferably, the driving wheel assembly employs a pair of differential wheels.

Preferably, be provided with cargo platform on the vehicle bottom dish, when the fork in the mechanism is got to the tray fork descends to the lowest position, cargo platform's top surface is higher than the bearing surface that is used for on the fork with the tray contact.

Preferably, two C-shaped guide rails are symmetrically arranged on the chassis, and the top surfaces of the two C-shaped guide rails form the carrying platform.

Preferably, the chassis is provided with two channel spaces for the pallet forking mechanism to move back and forth, and the part between the two channel spaces is the middle chassis.

Compared with the prior art, the utility model has the following advantages and effects: this transport automobile body uses as unmanned tray carrier's transportation main part, it is used for getting mechanism's cooperation work with the tray fork, through leave the passageway space that supplies the tray fork to get the mechanism back-and-forth movement on it, the tray fork gets the mechanism and can release forward under power drive and fork the goods thing, so the vehicle bottom dish of this transport automobile body no longer receives the restriction of current tray fork height apart from the high restriction on ground, consequently, a yard camera is swept to the mountable on the vehicle bottom dish, multiple navigation components and parts such as magnetic sensor, make unmanned tray carrier's navigation mode no longer receive the structural limitation of vehicle bottom dish, thereby make unmanned tray carrier can adapt to the scene of difference.

Drawings

In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive effort.

Fig. 1 is a front view of a tray in the prior art.

Fig. 2 is a schematic perspective view showing a first configuration (tray fork-taking mechanism retracted rearward) of the automated pallet truck equipped with the transfer car body according to the present embodiment.

Fig. 3 is a schematic perspective view of the second automated pallet truck (with the pallet fork mechanism pushed forward) equipped with the transfer car body according to the present embodiment.

FIG. 4 is a second perspective view of the automated pallet jack with the transfer car of this embodiment (pallet fork mechanism pushed forward)

Fig. 5 is a schematic perspective view of a first transfer vehicle body according to an embodiment of the utility model.

Fig. 6 is a schematic perspective view of a second transfer vehicle body according to an embodiment of the utility model.

Fig. 7 is a schematic top view of a transfer car body according to an embodiment of the present invention.

Description of reference numerals:

a pallet forking mechanism 1; a transfer car body 2; a fork unloading and pushing mechanism 3; a control box 4; a battery pack 5; a laser sensor 6; a camera 7 is scanned;

a chassis 200; a drive wheel assembly 201; a C-shaped guide rail 202; a load sharing mechanism 203; a second support wheel 204; a drive wheel mounting base plate 205; a channel space 2001; the intermediate body chassis 2002.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

Examples are given.

See fig. 2-7.

Fig. 2 to 4 show an automated guided vehicle equipped with a transport vehicle body 2 according to the present embodiment, and the automated guided vehicle further mainly includes a tray forking mechanism 1, a fork unloading pushing mechanism 3, a control box 4, a battery pack 5, and a data acquisition system. The tray forking mechanism 1 is mainly used for forking trays specially without walking, and the transfer vehicle body 2 is mainly used for carrying cargo and is not responsible for forking the trays. The pallet forking mechanism 1 and the transfer vehicle body 2 are effectively combined by the fork unloading pushing mechanism 3, so that the pallet forking mechanism 1 moves back and forth relative to the transfer vehicle body 2. The control box 4 is used for controlling the carrying of the unmanned tray to work, the battery pack 5 is used for supplying power, and the data acquisition system is used for acquiring data. The data acquisition system can adopt one or more of the laser sensor 6, the scanning camera 7 or the magnetic strip sensor for data acquisition, and is determined according to the use environment of the unmanned pallet truck. Because the tray forking mechanism 1 can move back and forth relative to the transfer vehicle body 2, the limit of the fork opening height at the bottom of the existing tray on the structural design of the transfer vehicle body 2 is greatly reduced, and various navigation components can be designed and installed on the transfer vehicle body 2.

The transfer car body 2 of the embodiment comprises a car chassis 200, a driving wheel assembly 201 and four second supporting wheels 204. The driving wheel assembly 201 adopts a pair of differential wheels, and is symmetrically arranged at two sides of the bottom of the chassis 200. Four No. two supporting wheels 204 equipartitions are installed around the bottom of vehicle chassis 200, and No. two supporting wheels 204 adopt the universal wheel, and the universal wheel helps this carrier to turn to smoothly. In this embodiment, driving wheel mounting bottom plates 205 for mounting the driving wheel assemblies 201 are disposed on two sides of the lower portion of the vehicle chassis 200, differential wheels are mounted on the driving wheel mounting bottom plates 205, the driving wheel mounting bottom plates 205 are connected with the vehicle chassis 200, and one differential wheel is independently controlled by one motor, which refers to the prior art specifically.

In this embodiment, two passage spaces 2001 for the pallet forking mechanism 1 to move back and forth are reserved on the chassis 200, a middle chassis 2002 is arranged between the two passage spaces 2001, the camera 7 is mounted on the middle chassis 2002, and the magnetic strip sensors can be mounted at the front end and the rear end of the middle chassis 2002. Be provided with cargo platform on the vehicle chassis 200, when the fork that the mechanism 1 was got to the tray fork dropped to the extreme low position, the bearing surface that is used for on the fork with the tray contact was less than cargo platform's top surface to make the tray fall on the cargo platform.

In this embodiment, be provided with two symmetrical arrangement's C type guide rail 202 on vehicle chassis 200, C type guide rail 202's main function is used for getting the rail wheel cooperation work of mechanism 1 rear portion both sides installation with the tray fork, it is smooth and easy to ensure that the tray fork gets the mechanism 1 back-and-forth movement, furthermore, in this embodiment, in order to reduce the spare part quantity of installing on vehicle chassis 200, use the top surface of two C type guide rails 202 as cargo platform, in the design time, guarantee that C type guide rail 202 have enough intensity can, when the fork that the mechanism 1 was got to the tray fork descends to extreme position, the bearing face that is used for on the fork with the tray contact is less than C type guide rail 202's top surface.

In addition, the chassis 200 can also be provided with two sets of load sharing mechanisms 203, and the two sets of load sharing mechanisms 203 are symmetrically arranged on two sides of the chassis 200. The load distributing mechanism 203 is used to uniformly distribute the load on the transfer car body 2, and prevent the center of gravity from shifting to cause safety accidents. The load sharing mechanism 203 may specifically adopt the prior art.

Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.

Claims (7)

1. A transfer car body for an unmanned pallet truck, the unmanned pallet truck comprising a pallet forking mechanism (1), the pallet forking mechanism (1) being mounted on the transfer car body and being movable back and forth relative to the transfer car body; the method is characterized in that: the transfer vehicle body comprises a vehicle chassis (200), driving wheel assemblies (201) are installed on two sides of the bottom of the vehicle chassis (200), and a channel space (2001) for the tray forking mechanism (1) to move back and forth is formed in the vehicle chassis (200).

2. The transfer car body for an automated pallet jack of claim 1, wherein: and a second supporting wheel (204) is respectively arranged at the four corners of the bottom of the vehicle chassis (200).

3. The transfer car body for an automated pallet jack of claim 2, wherein: the second supporting wheel (204) adopts a universal wheel.

4. The transfer car body for an automated pallet jack of claim 1, wherein: the driving wheel assembly (201) adopts a pair of differential wheels.

5. The transfer car body for an automated pallet jack of claim 1, wherein: the vehicle is characterized in that a carrying platform is arranged on the vehicle chassis (200), and when a pallet fork in the pallet fork taking mechanism (1) descends to the lowest position, the top surface of the carrying platform is higher than a bearing surface which is used for being in contact with the pallet fork.

6. The transfer car body for an automated pallet jack of claim 5, wherein: two C-shaped guide rails (202) are symmetrically arranged on the chassis (200), and the top surfaces of the two C-shaped guide rails (202) form the carrying platform.

7. The transfer car body for an automated pallet jack of claim 1, wherein: two channel spaces (2001) for the pallet forking mechanism (1) to move back and forth are formed in the chassis (200), and a middle chassis (2002) is arranged between the two channel spaces (2001).

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