CN211768394U

CN211768394U - Universal roller transportation platform

Info

Publication number: CN211768394U
Application number: CN202020015863.7U
Authority: CN
Inventors: 梁利华; 王海鹏; 李其雨; 汪志杰; 刘泽宇; 金佳钰; 许杨剑
Original assignee: Zhejiang University of Technology ZJUT
Current assignee: Zhejiang University of Technology ZJUT
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-10-27
Anticipated expiration: 2030-01-03

Abstract

The utility model discloses an universal roller transportation platform, which is used for goods transportation and comprises a plurality of transportation units spliced with each other, wherein each transportation unit comprises a horizontal rotating component and a vertical rotating component which are connected with each other; the horizontal rotating assembly comprises a steering motor which is vertically arranged and a steering table which is connected with an output shaft of the steering motor, and an inward concave avoidance space is arranged at the top of the steering table; the vertical rotating assembly comprises a center shaft fixed in an avoiding space of the steering table, the center shaft is horizontally installed, idler wheels used for driving goods to move are connected to the center shaft, one end of the center shaft is connected with a driven gear, the driven gear is meshed with a driving gear, the driving gear is connected with a driving motor, and the driving motor drives the driving gear to rotate. The utility model discloses can be according to actual demand dynamic adjustment transportation platform's size, simple structure, the transportation energy consumption is low.

Description

Universal roller transportation platform

Technical Field

The application belongs to the technical field of conveying equipment, and particularly relates to a universal roller conveying platform.

Background

At present, most of existing semi-automatic cargo transportation platforms are rigid automatic systems, and cannot adapt to the development trend and the demand of flexible automation at present; secondly, the existing cargo transportation platform needs manpower to participate in cargo sorting, so that the labor cost is increased, the sorting efficiency is low, and the energy consumption is high; thirdly, the existing semi-automatic cargo transportation platform can only transmit in one way, the freedom degree of the cargo is small, the occupied space is large, and once a certain part is damaged, the whole cargo transportation platform can not work due to cargo accumulation.

Except that the cargo transport platform, there is intelligent vehicle letter sorting system still at present, through the route travel of automatic guiding device guide dolly along the regulation, the shortcoming is that intelligent vehicle letter sorting system still needs manual fit and can only transport a goods once for the conveying efficiency is low, and area occupied is big, and can only walk along fixed line, and the route is fragile, in case damage whole circuit stop work.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a universal gyro wheel transport platform, can be according to actual demand dynamic adjustment transport platform's size, simple structure, the transportation energy consumption is low.

In order to achieve the purpose, the technical scheme adopted by the application is as follows:

a universal roller transportation platform is used for cargo transportation and comprises a plurality of transportation units which are spliced with each other, wherein each transportation unit comprises a horizontal rotation assembly and a vertical rotation assembly which are connected with each other;

the horizontal rotating assembly comprises a steering motor which is vertically arranged and a steering table which is connected with an output shaft of the steering motor, and an inward concave avoidance space is arranged at the top of the steering table;

the vertical rotating assembly comprises a center shaft fixed in an avoiding space of the steering table, the center shaft is horizontally installed, idler wheels used for driving goods to move are connected to the center shaft, one end of the center shaft is connected with a driven gear, the driven gear is meshed with a driving gear, the driving gear is connected with a driving motor, and the driving motor drives the driving gear to rotate.

Preferably, the transportation unit includes inside hollow box, the top of box has roof, bottom and has the bottom plate, be equipped with on the roof and dodge the mouth, turn to the platform and install in the box, just turn to the top of platform and inlay the dress and be in dodging the mouth, turn to the motor and be located the below that turns to the platform, turn to the motor and be located the box, and fix on the bottom plate.

Preferably, the top of the steering table is equal to the top of the box body in height, and the top of the roller is higher than the top of the steering table.

Preferably, the vertical distance between the top of the roller and the top of the steering table is less than half the height of the roller.

Preferably, the universal roller transportation platform further comprises a plurality of hemispherical connecting pieces, and each hemispherical connecting piece is fixed on the top of the end corner where the four annularly adjacent transportation units are attached to each other.

Preferably, the roller is a cylinder-like body, the side surface of the cylinder-like body is a conveying surface for conveying goods, the conveying surface is an arc surface along the axial direction of the cylinder-like body, two bottom surfaces of the cylinder-like body are both inwards recessed to form a recessed portion, the bottom of the recessed portion is provided with an axially extending mounting hole, and the middle shaft penetrates through the mounting hole.

Preferably, the conveying surface of the roller is made of soft vulcanized rubber.

The universal roller conveying platform is in a modular design, the size and the shape of the conveying platform can be changed by increasing or decreasing modules according to actual requirements, and the conveying platform is convenient to replace, so that the conveying system is more flexible; by marking the fault module, the route can be re-planned, the system work is not influenced, and the design of the fault module can be replaced at any time, so that the conveying system is more efficient and is easy to maintain; each module (transportation unit) provides an object to be in contact with the goods, so that the module structure is simplified, the driving force of each module to the goods is concentrated, the maintenance is convenient, and the driving effect to the goods is improved; according to the transportation condition of the goods, the motion and dormancy of each module are reasonably controlled, and the energy consumption of a conveying system is greatly reduced; this application can also realize the transportation of goods multi-angle omnidirectional through the cooperation of multimode.

Drawings

FIG. 1 is a schematic structural view of a universal roller transport platform according to the present application;

FIG. 2 is a schematic structural view of a transport unit of the present application;

FIG. 3 is an exploded view of a transport unit of the present application;

FIG. 3.1 is a schematic view of the roller motion structure of the present application;

FIG. 4 is a schematic view of the connection of the hemispherical connector to the transportation unit according to the present application;

FIG. 5 is a schematic structural view of a roller according to the present application;

FIG. 6 is a cross-sectional view of the roller of the present application;

FIG. 7 is a schematic view of the operation of the transport unit of the present application;

FIG. 8 is a schematic view of an embodiment of the universal roller transport platform of the present application;

FIG. 9 is a schematic illustration of another embodiment of the universal roller transport platform of the present application;

FIG. 10 is a schematic view of another embodiment of the universal roller transport platform of the present application.

In the drawings: 1. a universal roller transport platform; 2. a transport unit; 201. a box body; 2011. a base plate; 2012. A top plate; 202. a roller; 2021. conveying surface; 2022. mounting holes; 2023. an inward recessed portion; 203. a column; 204. a support ring; 205. a steering motor; 206. avoiding the mouth; 207. a steering table; 208. fixing a bracket; 209. a drive motor; 210. a driving gear; 211. a driven gear; 212. a middle shaft; 213. avoiding a space; 3. a hemispherical connector.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

It is noted that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; when an element is referred to as being "secured" to another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

As shown in fig. 1, in one embodiment, a universal roller transportation platform is provided for cargo transportation, the universal roller transportation platform 1 includes a plurality of transportation units 2 that are spliced with each other, the transportation platform of this embodiment adopts a modular design, and modules can be increased or decreased according to actual needs to change the size and shape of the transportation platform, and is convenient to replace, so that the transportation system is more flexible.

As shown in fig. 2 and 3, each transport unit 2 includes a horizontal rotation assembly and a vertical rotation assembly connected to each other. The horizontal rotating assembly comprises a steering motor 205 which is vertically arranged and a steering table 207 which is connected with an output shaft of the steering motor 205, and an inward concave avoidance space 213 is arranged at the top of the steering table 207.

The vertical rotating assembly comprises a middle shaft 212 fixed in an avoiding space 213 of the steering table 207, the middle shaft 212 is horizontally installed, the middle shaft 212 is connected with a roller 202 used for driving goods to move, one end of the middle shaft 202 is connected with a driven gear 211, the driven gear 211 is meshed with a driving gear 210, the driving gear 210 is connected with a driving motor 209, and the driving gear 210 is driven by the driving motor 209 to rotate.

The escape space 213 of the turn table 207 includes a main space for providing rotation of the roller 202, a structural space provided at one side of the main space, and a rotation escape hole provided at the opposite side of the structural space.

As shown in fig. 3.1, the vertical rotation assembly further includes a fixing bracket 208, the fixing bracket 208 is in a zigzag shape, a bottom side of the zigzag shape faces the roller 202 and is fixed at a bottom of the structural space, a top side of the zigzag shape is back to the roller 202 and is used for fixing a driving motor 209, the driving motor 209 is fixed at a bottom side of the top side of the zigzag shape, an output shaft of the driving motor 209 penetrates through the top side of the zigzag shape and is connected with a driving gear 210 through a key, the driving gear 210 is obliquely engaged with a driven gear 211 to convert a vertical torsion into a horizontal torsion, the driven gear 211 is connected with one end of a middle shaft 212 through a key, and the other end of the middle shaft 212 extends into the.

To improve the transmission ratio, the middle shaft 212 is connected to the roller 202 through a key, and a bearing may be disposed in the avoiding hole to facilitate the rotation of the middle shaft 212.

In order to facilitate connection between the transportation units 2, in an embodiment, the transportation unit 2 includes a box 201 with a hollow interior, the top of the box 201 has a top plate 2012, the bottom of the box 201 has a bottom plate 2011, an avoiding opening 206 is provided on the top plate 2012, the steering table 207 is installed in the box 201, the top of the steering table 207 is embedded in the avoiding opening 206, the steering motor 205 is located below the steering table 207, and the steering motor 205 is located in the box 2011 and is fixed on the bottom plate 2011.

In this embodiment, the bottom of box 201 is connected with stand 203 to raise box 201, avoid the influence that ground conditions set up universal gyro wheel transport platform. Further, the upright 203 can be a telescopic upright, so that the height of the transportation surface of the transportation platform can be adjusted conveniently, and the universality of the application is improved.

To enhance the aesthetic appearance of the transport unit 2 and facilitate the installation of the turnaround station 207, in one embodiment, at least the upper half of the turnaround station 207 is provided as a cylinder, and the escape opening 206 is a circular escape opening having a diameter slightly larger than the cylinder. The bottom of the steering table 207 is provided with a small cylinder with a diameter smaller than that of the upper cylinder, and the small cylinder is connected with an output shaft of the steering motor 205 through a key.

Further, a support ring 204 is fixed on the bottom plate 2011, the steering motor 205 is located in the middle of the support ring 204, the diameter of the support ring 204 is the same as that of the upper half cylinder of the steering table 207, the steering table 207 is overlapped on the support ring 204, the upper surface of the support ring 204 is smooth, and the normal operation of the steering motor 205 is not affected while the steering table 207 is supported.

In another embodiment, in order to further reduce the friction between the turning table 207 and the supporting ring 204, a groove may be provided on one surface of the contact surface of the turning table 207 and the supporting ring 204, and a ball may be inserted into the groove to facilitate relative rolling.

When the steering table 207 is installed, the top of the steering table 207 is equal to the top of the box 201, and the top of the roller 202 is higher than the top of the steering table 207. The above installation ensures that the roller 202 can contact with the cargo, and reduces the influence of the external environment on the steering table 207.

And the vertical distance between the top of the roller 202 and the top of the steering table 207 is set to be less than half of the height of the roller 202, so as to ensure the stability of the installation and rotation of the roller 202.

As shown in fig. 4, the universal roller transportation platform 1 further comprises a plurality of hemispherical connecting members 3, and each hemispherical connecting member 3 is fixed on the top of the end corner where the four annularly adjacent transportation units 2 abut against each other. The arrangement of the hemispherical connecting piece 3 can be used for improving the stability of connection between four annular adjacent transportation units, and can also support cargoes. It should be noted that the transportation units can be connected with each other by fasteners such as bolts.

As shown in fig. 5 and 6, the roller 202 is a cylinder-like body, the side surface of the cylinder-like body is a transportation surface 2021 for transporting goods, the transportation surface 2021 is an arc surface along the axial direction of the cylinder-like body, two bottom surfaces of the cylinder-like body are both recessed inwards to form a recessed portion 2023, the bottom of the recessed portion 2023 is provided with an axially extending mounting hole 2022, and the central shaft 212 penetrates through the mounting hole 2022.

The direction B in fig. 6 is axial, the transportation surface 2021 is an arc surface, so that the transportation surface 2021 is in point contact with the goods, so as to more flexibly achieve universal transportation of the goods, and in order to avoid the problem of too small friction force during point contact, the transportation surface 2021 of the roller 202 in this embodiment is made of soft vulcanized rubber.

In another embodiment, in order to facilitate understanding of the universal roller transportation platform of the present embodiment, a transportation method based on a universal roller transportation platform is provided, the transportation method including:

step S1, generating a corresponding grid map according to the universal roller transportation platform 1, wherein each grid in the grid map corresponds to each transportation unit 2;

step S2, acquiring a starting point, an end point, a conveying speed and a rotation angular speed of goods to be transported;

step S3, planning the optimal movement path of the goods on the grid map by adopting an A-star algorithm according to the obtained starting point and the end point;

step S4, determining grids which are sequentially contacted with the goods to be transported along the optimal motion path according to the volume of the goods to be transported, judging the optimal motion path and the feasibility of all the grids, and determining the optimal motion path as the final optimal motion path if the optimal motion path and all the grids are feasible; otherwise, re-executing step S3 on the basis of marking the current optimal motion path as infeasible;

step S5, determining the rotation angle of the turning table 207 and the rotation speed of the roller 202 in each transportation unit 2 on the final optimal movement path according to the obtained transport speed and rotation angular speed, and sequentially controlling the corresponding transportation units 2 to work to complete the transportation of the goods.

When judging the feasibility of the optimal motion path and all grids, mainly judging whether the current optimal motion path is congested or collided with other cargos or not and whether a transportation unit related to the current optimal motion path has faults or not.

When goods are transported, each transportation unit 2 needs to be controlled to move independently, and the movement mode of the transportation unit 2 is further described in the following with reference to the attached drawings:

as shown in fig. 7, C is the rolling direction of the roller, D is the rotating direction of the steering table, the roller rotates to provide force along the rolling direction for the goods above, and the steering table can rotate by three hundred and sixty degrees under the control of the motor, so that the direction of the roller is adjusted, and the effect that the roller can rotate in any direction to provide force for the goods is achieved.

As shown in fig. 8, when the moving route of the goods is a straight line, only the angle of the roller needs to be adjusted to ensure that the rolling direction of the roller is along the moving direction of the goods.

As shown in fig. 9, when the goods need to be transported transversely by turning 90 ° while traveling straight, the roller modules at the corners need to be rotated 90 °, and the goods can be transported transversely when arriving at the turning points.

As shown in fig. 10, when the goods need to be transported in a turning manner, the turning table group on the path only needs to be rotated and adjusted to a proper direction to achieve the turning transportation of the goods.

The universal roller transportation platform of the embodiment realizes re-planning of the route by marking the fault transportation unit, does not influence the work of the system, and can replace the design of the fault transportation unit at any time, so that the transportation system is more efficient and is easy to maintain; each transportation unit provides an object to be in contact with the goods, so that the structure of the transportation unit is simplified, the driving force of each transportation unit to the goods is concentrated, the maintenance is convenient, and the driving effect to the goods is improved; according to the transportation condition of the goods, the movement and dormancy of each transportation unit are reasonably controlled, and the energy consumption of a conveying system is greatly reduced; this application can also realize the transportation of goods multi-angle omnidirectional through the cooperation of many transport unit.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A universal roller transportation platform is used for cargo transportation and is characterized in that the universal roller transportation platform (1) comprises a plurality of transportation units (2) which are spliced with each other, and each transportation unit (2) comprises a horizontal rotation assembly and a vertical rotation assembly which are connected with each other;

the horizontal rotating assembly comprises a steering motor (205) which is vertically arranged and a steering table (207) which is connected with an output shaft of the steering motor (205), and an inwards concave avoiding space (213) is arranged at the top of the steering table (207);

the vertical rotating assembly comprises a middle shaft (212) fixed in an avoiding space (213) of a steering table (207), the middle shaft (212) is horizontally installed, a roller (202) used for driving goods to move is connected to the middle shaft (212), one end of the middle shaft (212) is connected with a driven gear (211), the driven gear (211) is meshed with a driving gear (210), the driving gear (210) is connected with a driving motor (209), and the driving motor (209) drives the driving gear (210) to rotate.

2. The universal roller transport platform of claim 1, wherein the transport unit (2) comprises a hollow box (201), the top of the box (201) has a top plate (2012), the bottom has a bottom plate (2011), the top plate (2012) is provided with an avoidance port (206), the turning table (207) is installed in the box (201), the top of the turning table (207) is embedded in the avoidance port (206), the turning motor (205) is located below the turning table (207), and the turning motor (205) is located in the box (201) and fixed on the bottom plate (2011).

3. The universal roller transport platform of claim 2, wherein the top of the bogie (207) is level with the top of the tank (201), and the top of the roller (202) is higher than the top of the bogie (207).

4. The universal roller transport platform of claim 3, wherein the vertical distance between the top of the roller (202) and the top of the turnaround (207) is less than half the height of the roller (202).

5. The universal roller transport platform according to claim 2, wherein the universal roller transport platform (1) further comprises a plurality of hemispherical connecting members (3), and each hemispherical connecting member (3) is fixed on the top of the end corner where the four annularly adjacent transport units (2) abut against each other.

6. The universal roller transport platform according to claim 1, wherein the roller (202) is a cylinder-like body, the side surface of the cylinder-like body is a transport surface (2021) for transporting goods, the transport surface (2021) is an arc surface along the axial direction of the cylinder-like body, both bottom surfaces of the cylinder-like body are recessed inwards to form a recessed portion (2023), the bottom of the recessed portion (2023) is provided with an axially extending mounting hole (2022), and the central shaft (212) penetrates through the mounting hole (2022).

7. The universal roller transport platform of claim 1, wherein the transport surface (2021) of the roller (202) is a soft vulcanized rubber material.