CN110371890B

CN110371890B - A transport device

Info

Publication number: CN110371890B
Application number: CN201810790472.XA
Authority: CN
Inventors: 王佳
Original assignee: Beijing Jingdong Qianshi Technology Co Ltd
Current assignee: Beijing Jingbangda Trade Co Ltd; Beijing Jingdong Qianshi Technology Co Ltd
Priority date: 2018-07-18
Filing date: 2018-07-18
Publication date: 2024-12-06
Anticipated expiration: 2038-07-18
Also published as: CN110371890A

Abstract

The present invention discloses a transport device, which relates to the field of storage and transportation technology. A specific implementation of the invention includes a main frame, a climbing mechanism, a telescopic mechanism and a horizontal wheel train; wherein the climbing mechanism is arranged on the side of the main frame and connected to the telescopic mechanism, the telescopic mechanism is used to control the extension and retraction of the climbing mechanism, and the horizontal wheel train is arranged at the bottom of the main frame. This implementation has the functions of various existing storage and transportation devices at the same time, and the structure is simple and reliable, and easy to maintain and manage.

Description

Transportation device

Technical Field

The invention relates to the field of storage and transportation, in particular to a transportation device.

Background

There are various transportation devices in the current warehouse transportation system, mainly including a shuttle car moving on a pallet, an AGV (Automated Guided Vehicle, automatic guided vehicle) transport car for transporting the pallet, and the like. The transportation device is numerous in types, different types of robots all need specific personnel to maintain, and cooperation of various transportation devices is required to be comprehensively managed so as to maintain the operation of the warehouse system at a college.

In the process of realizing the invention, the inventor finds that at least the following problems exist in the prior art, namely the existing transportation equipment has various types and single functions, on one hand, different modes are needed to be adopted for maintenance, the complexity and the cost are higher, and on the other hand, the coordination of the transportation equipment is needed to be carried out, the process is more complicated, and errors are easy to occur.

Disclosure of Invention

Therefore, the embodiment of the invention provides a transportation device which has the functions of the existing various storage transportation devices, and is simple and reliable in structure and easy to maintain and manage.

In order to achieve the above object, according to an embodiment of the present invention, there is provided a transportation device, including a main body frame, a climbing mechanism, a telescopic mechanism, and a horizontal gear train, wherein the climbing mechanism is disposed on a side surface of the main body frame and connected to the telescopic mechanism, the telescopic mechanism is used for controlling the climbing mechanism to stretch and retract, and the horizontal gear train is disposed at a bottom of the main body frame.

The conveyer that this embodiment provided is provided with climbing mechanism and horizontal train simultaneously, utilizes telescopic machanism to switch, can realize climbing at the goods shelves and vertical movement or utilize horizontal train horizontal migration, and the integrated level is high, the function is various, has improved the efficiency of storage transportation.

In some alternative embodiments, the telescoping mechanism includes a scissor structure and a telescoping drive motor, one end of a scissor arm of the scissor structure is connected to the climbing mechanism and the other end is driven by the telescoping drive motor.

The embodiment utilizes the scissors structure to control the expansion and contraction of the climbing mechanism, thereby ensuring the synchronous movement of the climbing mechanisms at the same side, and further reducing the reliability problem caused by control errors and the like.

In some alternative embodiments, the climbing mechanism comprises two groups, the two groups are respectively arranged at two sides of the main body frame, the telescopic driving motor comprises a driving shaft, the driving shaft comprises a smooth section and a screw rod section, the two groups of scissor arms are arranged, one end of each scissor arm is connected to the climbing mechanism, the other end of each scissor arm is connected to a linear bearing sleeved on the smooth section, a screw nut is sleeved on the screw rod section, and a spring is arranged between the screw nut and the linear bearing close to the screw nut.

The present embodiment further provides an implementation of the telescoping mechanism. In this embodiment utilize screw motion control to cut fork structure switching, owing to set up the spring simultaneously, possess the ability of adaptation goods shelves width, can guarantee climbing mechanism and goods shelves close fit, reduce the possibility that falls the accident.

In some alternative embodiments, a telescoping slide rail is provided adjacent the side of the body frame, and the climbing mechanism is secured to a telescoping slide block provided on the telescoping slide rail.

In some alternative embodiments, the climbing mechanism includes a gear for engaging a rack on the shelf and a safety slide for engaging a limit slot on the shelf.

The planar contact of the safety slide blocks is utilized to limit the torsion freedom degree of the conveying device on the goods shelf, and safety accidents are not caused by tilting of the conveying device due to faults of the climbing mechanism on one side.

In some alternative embodiments, the transport device includes a climbing drive mechanism, a motor slide rail is disposed in the middle of the main body frame, and the climbing drive mechanism is disposed on the motor slide rail and is slidable along the motor slide rail.

In some alternative embodiments, the climbing mechanism comprises a gear and a connecting shaft, the climbing driving mechanism comprises a climbing driving motor, a driving belt pulley is arranged on a rotating part of the climbing driving motor, and the driving belt pulley is connected to a climbing belt pulley arranged on the connecting shaft through a transmission belt.

In some alternative embodiments, the climbing drive includes a motor mount disposed on and slidable along the motor slide, the motor mount being connected to the climbing mechanism by a support.

In the embodiment, the climbing driving mechanism and the climbing mechanism are arranged on the slidable motor mounting part, so that the climbing driving mechanism and the climbing mechanism can synchronously stretch and retract, and compared with a telescopic transmission structure, the climbing mechanism is simpler and more reliable in arrangement mode.

Further effects of the above-described non-conventional alternatives are described below in connection with the embodiments.

Drawings

The drawings are included to provide a better understanding of the invention and are not to be construed as unduly limiting the invention. Wherein:

fig. 1 is a schematic perspective view of a transportation device according to an embodiment of the present invention;

FIG. 2 is a schematic top view of a transporter according to an embodiment of the present invention;

FIG. 3 is a schematic perspective view of a climbing mechanism, a climbing drive, and a telescoping mechanism in a transport device according to an embodiment of the present invention;

FIG. 4 is a schematic view of a use state of a transportation device according to an embodiment of the present invention;

Fig. 5 is an enlarged view of the area a in fig. 4.

Detailed Description

Exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, in which various details of the embodiments of the present invention are included to facilitate understanding, and are to be considered merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

Fig. 1 is a schematic perspective view of a transport device according to an embodiment of the present invention, fig. 2 is a schematic top view of a transport device according to an embodiment of the present invention, and fig. 3 is a schematic perspective view of a climbing mechanism, a climbing driving mechanism, and a telescopic mechanism in a transport device according to an embodiment of the present invention.

As shown in fig. 1-3, the transport device provided by the embodiment of the invention comprises a main body frame 500, a climbing mechanism 100, a telescopic mechanism 300 and a horizontal wheel train 400, wherein the main body frame 500 is approximately square and is suitable for the appearance and the dimension design of a goods shelf. The climbing mechanism 100 is disposed on the side surface of the main body frame 500 and is connected to the telescopic mechanism 300, the telescopic mechanism 300 is used for controlling the climbing mechanism 100 to stretch and retract, and the horizontal wheel train 400 is disposed at the bottom of the main body frame 500.

The telescopic mechanism 300 comprises a scissors structure 310 and a telescopic driving motor 320, wherein one end of a scissors arm 311 of the scissors structure 310 is connected to the climbing mechanism 100, and the other end is driven by the telescopic driving motor 320.

Specifically, the climbing mechanism 100 comprises two groups, which are respectively arranged at two sides of the main body frame 500, the telescopic driving motor 320 comprises a driving shaft 321, the driving shaft 321 comprises a smooth section 3211 and a screw rod section 3212, two linear bearings 330 are sleeved on the smooth section 3211, the two groups of scissor structures 310 are arranged, two outer ends of each group of scissor structures 310 are respectively connected to one climbing mechanism 100, the inner ends of the scissor structures 310 are connected to one of the linear bearings 330, a screw 340 is cooperatively arranged on the screw rod section 3212, and a spring 350 is arranged between the screw 340 and the linear bearing 330 close to the screw 340.

When the driving shaft 321 of the telescopic driving motor 320 rotates in one direction, the nut 340 approaches the linear bearing 330, the two linear bearings 330 are pushed to approach each other by the spring 350, so that the scissor structure 310 is driven to extend the climbing mechanism 100 outwards, and similarly, when the driving shaft 321 rotates in the other direction, the climbing mechanism 100 retracts inwards, so that switching of the transportation mode can be realized.

A telescopic rail 520 is provided near the side of the main body frame 500, and the climbing mechanism 100 is fixed to a telescopic slider 521 provided on the telescopic rail 520. The middle part of the main body frame 500 is provided with a motor sliding rail 510, and the climbing driving mechanism 200 is arranged on the motor sliding rail 510 and can slide along the motor sliding rail. The climbing drive 200 includes a motor mount 220, the motor mount 220 being disposed on and slidable along the motor slide rail 510, the motor mount 220 being coupled to the climbing mechanism 100 by a support 230.

The climbing mechanism 100 comprises a gear 110 and a connecting shaft 120, the climbing driving mechanism 200 comprises a climbing driving motor 210, a driving belt pulley 211 is arranged on a rotating part of the climbing driving motor 210, and the driving belt pulley 211 is connected to a climbing belt pulley 121 arranged on the connecting shaft 120 through a transmission belt.

The present embodiment utilizes motor slide rails 510 and telescoping slide rails 520 to support the climbing mechanism 100 and climbing drive mechanism 200. Climbing mechanism 100 is interconnected with climbing drive 200 for common movement so that the belt length therebetween does not need to be changed, conventional belts can be used, reliability is higher than that of a telescoping belt, and maintenance is easy.

In this embodiment, the climbing mechanism 100 includes a gear 110 and a safety slide 130, the gear 110 is configured to mate with a rack 610 on the shelf 600, and the safety slide 130 is configured to mate with a limit slot 620 on the shelf 600.

Fig. 4 is a schematic view showing a use state of the transporting device according to the embodiment of the present invention, and fig. 5 is an enlarged view of a region a in fig. 4.

As shown in fig. 4-5, when the transporting device is located on the shelf 600, the safety sliders 130 are located in the limit grooves 620, and since four safety sliders 130 form a plane and are in plane contact with the limit grooves 620, the torsion freedom of the transporting device on the shelf 600 is limited, and the safety accident caused by tilting of the transporting device due to failure of the climbing mechanism on one side is avoided. Furthermore, the safety slide 13 can be replaced by an idler wheel to achieve the same effect.

The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives can occur depending upon design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. A transportation device is characterized by comprising a main body frame (500), a climbing mechanism (100), a telescopic mechanism (300) and a horizontal gear train (400), wherein the climbing mechanism (100) is arranged on the side face of the main body frame (500) and is connected to the telescopic mechanism (300), the telescopic mechanism (300) is used for controlling the telescopic mechanism (100) to stretch out and draw back, the horizontal gear train (400) is arranged at the bottom of the main body frame (500), the telescopic mechanism (300) comprises a shearing fork structure (310) and a telescopic driving motor (320), one end of a shearing fork arm (311) of the shearing fork structure (310) is connected to the climbing mechanism (100) and the other end is driven by the telescopic driving motor (320), the climbing mechanism (100) is provided with two groups and is respectively arranged on two sides of the main body frame (500), the telescopic driving motor (320) comprises a driving shaft (321), the driving shaft (321) comprises a smooth section (3211) and a lead screw section (3212), the shearing fork arm (311) is provided with two groups, one end of each shearing fork arm (311) is connected to the lead screw section (340) and the other end of each shearing fork arm (311) is connected to the lead screw section (100) and is provided with a smooth lead screw section (3212), and a spring (350) is arranged between the screw nut (340) and a linear bearing (330) close to the screw nut, a telescopic sliding rail (520) is arranged near the side surface of the main body frame (500), and the climbing mechanism (100) is fixed to a telescopic sliding block (521) arranged on the telescopic sliding rail (520).

2. The transport device of claim 1, wherein the climbing mechanism (100) comprises a gear (110) and a safety slide (130), the gear (110) is configured to mate with a rack (610) disposed in a vertical direction on the shelf (600), and the safety slide (130) is configured to mate with a limit slot (620) on the shelf (600).

3. The transport device according to claim 1, further comprising a climbing drive mechanism (200), wherein a motor slide rail (510) is provided in the middle of the main body frame (500), and wherein the climbing drive mechanism (200) is provided on the motor slide rail (510) and is slidable therealong.

4. A transport device according to claim 3, characterized in that the climbing mechanism (100) comprises a gear (110) and a connecting shaft (120), the climbing drive (200) comprises a climbing drive motor (210), a drive pulley (211) is provided on the turning part of the climbing drive motor (210), and the drive pulley (211) is connected to a climbing pulley (121) provided on the connecting shaft (120) by means of a transmission belt.

5. The transport device of claim 4, wherein the climbing drive (200) comprises a motor mount (220), the motor mount (220) being disposed on and slidable along the motor slide (510), the motor mount (220) being connected to the climbing mechanism (100) by a support (230).