CN210853936U

CN210853936U - Driving device for four-way carrier

Info

Publication number: CN210853936U
Application number: CN201921745250.2U
Authority: CN
Inventors: 许庆波
Original assignee: Huzhou Globl Logistics Technology Co ltd
Current assignee: Huzhou Globl Logistics Technology Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-06-26
Anticipated expiration: 2029-10-17

Abstract

The utility model provides a drive arrangement for four-way carrier, this drive arrangement have crossing drive mechanism, crossing drive mechanism includes: a driving shaft connected to a motor main shaft of the driving motor; a first bevel gear provided on the drive shaft; a driven shaft disposed perpendicular to the driving shaft; the second bevel gear is arranged at one end of the driven shaft and meshed with the first bevel gear; the first driving wheel is arranged at the other end of the driven shaft; a driving shaft arranged in parallel with the driven shaft and provided with driving wheels at two ends; first driven wheels respectively arranged at two ends of the driving shaft; and the flexible transmission part is connected with the first driving wheel and the first driven wheel. The utility model discloses a drive arrangement has simplified drive mode, shortens the transfer distance of power, makes the more smooth and easy efficient work of carrier, has also reduced manufacturing cost simultaneously.

Description

Driving device for four-way carrier

Technical Field

The utility model relates to a modern logistics storage field, in particular to a drive arrangement for four-way carrier.

Background

In modern logistics systems, an automated stereoscopic warehouse is an important component, and is a novel warehousing technology, and the automated stereoscopic warehouse is also called an automatic storage and retrieval system, and is a comprehensive scientific and technical project in material handling and warehousing science. In the manufacturing industry, spare part time accounts for nearly 10% of the overall process and assembly cycle. During the processing, the storage and transport of raw materials, spare parts and semi-finished products takes a large part of the time. In the manufacturing industry, the storage and transportation problems of materials need to arouse the attention of nationwide enterprises, because the modern material handling system brings huge economic benefits which are mainly reflected in the following aspects of 1. saving space; 2. reasonable production organization; 3. the stock is reduced, and the mobile capital is saved; 4. the flexibility of processing and manufacturing is increased. The automatic stereoscopic warehouse is widely applied to various industries such as automobiles, electronics, medicines, tobacco, building materials, post and telecommunications at present, is a key for realizing rationalization of a logistics system, and has important significance for accelerating logistics speed, improving labor productivity and reducing production cost. Common ways of transporting goods are: use fork truck to transport, it is often applied to the freight in traditional warehouse, because the tunnel occupies the effective space in warehouse too much, fork truck makes a round trip to carry the use of access goods extremely inflexible in the tunnel, often damages the goods, consequently access goods inefficiency, and the running cost is high.

For solving above-mentioned problem, a quadriversal transport formula warehouse system has appeared among the prior art, the carrier of rolling a roll is rolled up to the quadriversal promptly, this carrier adopt with telescopic fork complex mode, realize the transport of large-scale goods of rolling up to greatly improve storage space utilization, and can obviously improve the work efficiency of going out to put in storage.

The drive assemblies of automatic guided vehicles (RGVs) in the market at present are divided into 100W, 200W, 400W and the like, parts of the drive assemblies are all composed of additional components with different sizes, and each drive assembly is composed of different transmission shafts, connecting bodies, connecting pins and the like. Unmanned transport vehicle (RGV) assembly accessory reserve volume is great, and it is inconvenient often to change driving motor, will change the transmission shaft connector in the lump, and the driving motor's of different models connection position is different, will customize the transmission shaft connector according to the size at driving motor connection position when lieing in the transmission shaft connector connection, so not only wastes time and energy, and the step is loaded down with trivial details, increases manufacturing cost more, causes some unnecessary extravagants.

Under the prior art, general carrier drive assembly comprises transmission shaft, connector, connecting pin etc. of difference, and it is inconvenient often when changing driving motor, will change the transmission shaft connector in the lump, and transmission mode is complicated moreover, and power transmission distance is big, and the operation that leads to the carrier sometimes can be unsmooth, and work efficiency is low, and the carrier drive mode of this mode not only wastes time and energy, has increased manufacturing cost moreover.

SUMMERY OF THE UTILITY MODEL

In order to solve or alleviate the above-mentioned problem, the utility model provides a drive arrangement for four-way carrier, according to the utility model discloses an aspect, this drive arrangement has crossing drive mechanism, crossing drive mechanism includes: a driving shaft connected to a motor main shaft of the driving motor; a first bevel gear provided on the drive shaft; a driven shaft disposed perpendicular to the driving shaft; the second bevel gear is arranged at one end of the driven shaft and meshed with the first bevel gear; the first driving wheel is arranged at the other end of the driven shaft; a driving shaft arranged in parallel with the driven shaft and provided with driving wheels at two ends; first driven wheels respectively arranged at two ends of the driving shaft; and the flexible transmission part is connected with the first driving wheel and the first driven wheel.

Preferably, the intersecting transmission mechanism further comprises a tension wheel and a tension wheel seat which are arranged between the first driving wheel and the first driven wheel and tension the flexible transmission member.

Preferably, the motor main shaft is connected with the driving shaft through a coupling, and the coupling is preferably a quincunx coupling.

Preferably, the driving shaft in the intersecting transmission mechanism is supported and fixed by two bearing seats fixed on the carrier base body, and cylindrical roller bearings are arranged in the bearing seats.

Preferably, the driven shaft is provided with two first driving wheels which respectively drive the two running shafts positioned at two opposite sides of the carrier.

According to another aspect of the present invention, the driving device further has a parallel transmission mechanism, the parallel transmission mechanism includes: a second driving wheel arranged on the motor main shaft of the driving motor; a drive spindle disposed parallel to the motor spindle; the second driven wheel and the third driving wheel are respectively arranged on the transmission main shaft; a running wheel and a third driven wheel which are coaxially and synchronously arranged; and a flexible transmission member connecting the driving wheel and the driven wheel.

Preferably, two ends of the transmission main shaft are provided with a bearing fixing plate, a bearing fixing seat and a bearing which are fixed on the carrier base body; preferably, two sets of the second driven wheel and the third driving wheel are respectively arranged at two ends of the transmission main shaft and respectively drive two sets of the third driven wheel and the driving wheel.

Preferably, the driving device drives a running wheel set, and the running wheel set comprises a first running wheel set and a second running wheel set which are arranged on the side of the four-way carrier and have mutually perpendicular motion directions; further preferably, the first running wheel set and the second running wheel set each employ one of the intersecting transmission or the parallel transmission.

Preferably, the transmission mechanism of the first running wheel set is an intersecting transmission mechanism, and the transmission mechanism of the second running wheel set is a parallel transmission mechanism.

Preferably, the running wheel is fixed on the running shaft by a fixing clamp spring; the driving wheel or each driving wheel, the driven wheel and the tension wheel adopt double-row chain wheels; the driving motor is a driving motor, the rated power of the driving motor is 800W, and the rotating speed of the driving motor is 2000 revolutions; the driving motor is fixed by a motor fixing plate or a motor fixing seat.

According to the utility model discloses a drive arrangement for four-way carrier, the beneficial effect that can obtain includes at least: the utility model discloses a drive arrangement has simplified drive mode, shortens the transfer distance of power, makes the more smooth and easy efficient work of carrier, has also reduced manufacturing cost simultaneously.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not restrictive of the invention, as claimed.

Drawings

Further objects, functions and advantages of the present invention will become apparent from the following description of embodiments of the present invention, with reference to the accompanying drawings, in which:

FIG. 1 schematically illustrates a top view of a preferred embodiment of an intersecting drive mechanism;

FIG. 2 is a side elevational view of a preferred embodiment of the intersecting drive mechanism;

FIG. 3 is a perspective view of one embodiment of an intersecting drive mechanism;

fig. 4 is a schematic perspective view of an embodiment of a parallel transmission mechanism.

Detailed Description

The objects and functions of the present invention and methods for accomplishing the same will be apparent by reference to the exemplary embodiments. However, the present invention is not limited to the exemplary embodiments disclosed below; it can be implemented in different forms. The nature of the description is merely to assist those skilled in the relevant art in a comprehensive understanding of the specific details of the invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals denote the same or similar parts, or the same or similar steps.

Based on the defect of carrier drive transmission structure among the prior art in the background art, the utility model aims to overcome the not enough of prior art, provide a drive arrangement for four-way carrier, this drive arrangement adopts pivot of single motor cooperation flexible drive spare and drive wheel (for example chain and sprocket) drive to rotate, and the structure is very simple, and its power transmission distance is short, makes the carrier move more smoothly, and is convenient for improve work efficiency and market competition.

It will be understood by those skilled in the art that reference to a motor in this disclosure is generally to an electric machine, but is not limited thereto, such as a hydraulic motor or the like.

Fig. 1 and 2 are schematic diagrams showing a simple structure of an intersecting transmission mechanism of a four-way transport vehicle according to the present invention. Fig. 3 and 4 are schematic perspective views of a preferred embodiment of the intersecting transmission mechanism and the parallel transmission mechanism, respectively.

The utility model discloses a drive arrangement sets up the lower part at the four-way carrier, go the wheelset 400a and the second including driving motor (100a, 100b) drive mechanism and setting at the first running wheelset 400a and the second of four-way carrier lateral part, the direction of travel mutually perpendicular of wheelset 400a and the second running wheelset 400b is gone to first running wheelset 400a and second, the drive mechanism of first running wheelset 400a, second running wheelset 400b can be parallel drive mechanism or crossing drive mechanism's one kind respectively.

In the above embodiments, as shown in fig. 1 to 3, the intersecting transmission mechanism described herein means that the direction of power transmission on the transmission shaft is changed in an intersecting or perpendicular manner during power transmission. According to an aspect of the utility model, crossing drive mechanism includes: a drive shaft 210 connected to the motor spindle 110 of the drive motor 100a by a coupling 201; a first bevel gear 211 provided on the driving shaft 210; a driven shaft 220 disposed perpendicular to the driving shaft 210; a second bevel gear 221 provided at one end of the driven shaft 220 and engaged with the first bevel gear 211; a first driving wheel 222 provided at the other end of the driven shaft 220; a traveling shaft 230 provided in parallel with the driven shaft 220 and having traveling wheels 400a mounted thereon; first driven wheels 231 respectively provided at both ends of the travel shaft 230; and a flexible drive member 202 disposed between and connecting first drive pulley 222 and first driven pulley 231.

In the above embodiment, the first driving wheel 222 and the first driven wheel 231 may be in the form of chain wheels, and the flexible transmission member 202 may be in the form of a chain, but is not limited thereto.

In the intersecting transmission mechanism of the above embodiment, the transmission line is the drive motor-drive shaft, bevel gear-driven shaft, bevel gear, sprocket-travel shaft, sprocket-travel wheel, and the direction of the bevel gear (bevel gear) is vertically changed during the power transmission. The mechanical structure mainly comprises a driving shaft shafting structure, a driven shaft shafting structure and a driving shaft shafting structure, and bevel gear transmission and chain transmission are adopted in the transmission process. The motor may be an electric motor, a hydraulic motor, a pneumatic motor, etc. commonly used in the art.

In a preferred embodiment of the crossed transmission mechanism of the present invention, as shown in fig. 1 to 3, the crossed transmission mechanism further includes a tension wheel 203 and a tension wheel seat 204, which are disposed between the first driving wheel 222 and the first driven wheel 231 and tension the flexible transmission member 202. Correspondingly, the tensioning wheel can also take the form of a chain wheel.

In a preferred embodiment of the present invention, the motor spindle 110 is connected to the driving shaft 210 through a coupling 211, and the coupling 211 is preferably a quincunx coupling, and may be a tooth coupling or a diaphragm coupling.

As shown in fig. 3, in the above embodiment, the driving shaft 210 of the intersecting transmission mechanism is supported and fixed by two bearing blocks 212 fixed to the base of the transportation vehicle, and cylindrical roller bearings 213 are provided in the bearing blocks 212. Similarly, the driven shaft 220 and the traveling shaft 230 are supported by two bearing seats respectively.

In an embodiment, the driven shaft 220 may be provided with two first driving wheels 222 for respectively driving two driving shafts 230 located at two opposite sides of the truck. Each of the driving shafts 230 drives a pair of driving wheels, and one driving motor drives four driving wheels in one direction of the truck.

According to another aspect of the present invention, in the above embodiment, as shown in fig. 4, the parallel transmission mechanism described herein means that the direction of power transmission on the transmission shaft is not changed during power transmission. The parallel transmission mechanism includes: a second capstan 311 provided on the motor spindle of the drive motor 100 b; a transmission main shaft 320 provided in parallel with the motor main shaft of the driving motor 100 b; a second driven wheel 321 and a third driving wheel 322 respectively arranged on the transmission main shaft 320; a running wheel 400b and a third driven wheel 331 which are coaxially and synchronously mounted; and a chain arranged between the driving wheel and the driven wheel and connecting the driving wheel and the driven wheel.

In the above embodiment, the second driving wheel 311 and the second driven wheel 321, and the third driving wheel 322 and the third driven wheel 331 may be in the form of sprockets, and the flexible transmission member may be a chain, but is not limited thereto.

In the parallel transmission mechanism of the above embodiment, the transmission route is the driving motor-chain transmission-transmission main shaft-chain transmission-running wheel, and the transmission shafts are parallel during the power transmission process. The mechanical structure mainly adopts a transmission main shaft shafting structure, and the transmission process mainly adopts chain transmission.

In specific implementation, two ends of the transmission main shaft 320 of the parallel transmission mechanism are provided with a bearing fixing plate 323, a bearing fixing seat and a bearing 324.

In a parallel transmission mechanism, two sets of the second driven wheel 321 and the third driving wheel 322 are respectively disposed at two ends of the transmission main shaft 320, and respectively drive two sets of the third driven wheel 331 and the driving wheel 332. Thereby drive the first running wheel set or the second running wheel set on one side of the four-way carrier, and the other side is the same.

In the above embodiment, the transmission mechanisms of the first running wheel set 400a and the second running wheel set 400b may be both provided as one of a parallel transmission mechanism or an intersecting transmission mechanism, and may also be both provided as a parallel transmission mechanism or an intersecting transmission mechanism, and the former is preferred, that is, the transmission mechanism of the first running wheel set is an intersecting transmission mechanism, and the transmission mechanism of the second running wheel set is a parallel transmission mechanism.

In a specific implementation, as shown in fig. 3, the running wheels are fixed on the running shaft 401 by a fixing clip spring. In other embodiments, a fixed closure plate 333 may be used to separate the travel wheels from the coaxial sprockets.

In a preferred embodiment of the above transmission mechanism, the driving wheel or each driving wheel, the driven wheel and the tension wheel (including each chain wheel of the parallel transmission mechanism and each chain wheel of the intersecting transmission mechanism) are both double-row chain wheels, and double-row chain transmission is adopted, so that the double-row chain transmission is stable in transmission, and the transmission force is 1.6-1.8 times that of a single-row chain. In other embodiments, a synchronous belt or toothed belt drive may also be employed.

In specific implementation, the driving motor is a driving motor, the rated power of the driving motor can be 800W, and the rotating speed is 2000 revolutions; the driving motor is fixed by a motor fixing plate 102 or a motor fixing seat 101. The motor with larger power is adopted, so that the operation of the carrier is more powerful and stable.

The utility model discloses a drive arrangement drives the wheelset that traveles, the wheelset that traveles is including locating four-way carrier lateral part and direction of motion mutually perpendicular's first wheelset and the wheelset that traveles of second. The driving device is mainly composed of two parts, wherein the first part is a driving device for controlling the movement in the X direction, and the second part is a driving structure for controlling the movement in the Y direction, and the driving structures are respectively arranged at two sides of the trolley and respectively drive the first running wheel set and the second running wheel set to complete the four-way movement of the trolley.

In this embodiment, according to an aspect of the present invention, the X-direction drive scheme may employ an intersecting transmission. A driving motor of 800W and 2000 turns is supported by a motor seat plate, the motor is connected with a quincunx coupling, and the other side of the coupling is connected with a bevel gear driving shaft, so that the power of the motor is transmitted to the driving shaft 210 by the coupling.

The driving shaft 210 rotates the first bevel gear 211, so that power is transmitted to the first bevel gear 211. The fixing of the driving shaft 210 is accomplished by a bearing fixing seat, and ball roller bearings are installed at both ends of the shaft.

The direction of power on the transmission shaft is turned, a first bevel gear 211 is meshed with a second bevel gear 221 (the number of teeth and the modulus are 25 × 2.5), the power is transmitted to a driven shaft 220 perpendicular to a driving shaft 210, the bevel gears are main devices of a transmission steering mechanism, and a ball roller bearing, a bearing fixing seat, a reversing device fixing plate and the transmission steering mechanism form a 90-degree transmission device together.

Mounted on the other end of the driven shaft 220 is a first drive wheel 222 as shown, i.e., a driven shaft double-row gear and a driven shaft bearing seat, the first drive wheel 222 may be 25-hole 17-tooth and connected to a first driven wheel 231 via a chain 202, in order to transmit power transmitted from the driven shaft 220 from the first drive wheel 222 to the first driven wheel 231 via the chain 202, thereby transmitting the power to the traveling shaft 230. The middle part can be tensioned by a tension wheel 203 and a tension wheel seat 204 to adjust the tightness degree of the chain.

The other end of the traveling shaft 230 is connected to the first traveling wheel set 400a, so that the power of the traveling shaft 230 is transmitted to the first traveling wheel set 400a, thereby completing the driving of the truck in the X direction.

In this embodiment, according to another aspect of the present invention, the Y-direction drive scheme may employ a parallel transmission mechanism. The main shaft of the driving motor with 800W and 2000 turns is directly connected with the second driving wheel 311, and the power of the motor is directly transmitted to the second driving wheel 311.

The second driving wheel 311 is connected with the second driven wheel 321 through a chain, and the power is also transmitted to the transmission main shaft 320 through the chain by the second driving wheel 311.

The transmission main shaft 320 is a shaft crossing the transport vehicle, a second driven wheel 321 and a third driving wheel 322 are respectively arranged on two sides, and the third driving wheel 322 is directly connected with the third driven wheel 331 through a chain to transmit power to the third driven wheels 331 on two sides.

When the power is transmitted to the third driven wheel 331, the second traveling wheel sets 400b on both sides are rotated, and the Y-direction driving of the carrier is completed.

The utility model discloses a drive arrangement adopts single motor cooperation sprocket and chain drive pivot to rotate, and the structure is very simple, easy dismounting, and its power transmission distance is short, and the operation of quadriversal carrier is more smooth and easy, is convenient for improve work efficiency and market competition.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

Claims

1. A drive arrangement for a four-way truck, the drive arrangement having an intersecting transmission, the intersecting transmission comprising:

a driving shaft connected to a motor main shaft of the driving motor; a first bevel gear provided on the drive shaft;

a driven shaft disposed perpendicular to the driving shaft; the second bevel gear is arranged at one end of the driven shaft and meshed with the first bevel gear; the first driving wheel is arranged at the other end of the driven shaft;

a driving shaft arranged in parallel with the driven shaft and provided with driving wheels at two ends; first driven wheels respectively arranged at two ends of the driving shaft; and

and the flexible transmission part is connected with the first driving wheel and the first driven wheel.

2. The drive arrangement of claim 1, wherein the intersecting transmission further comprises a tension wheel and a tension wheel seat disposed between the first drive wheel and the first driven wheel and tensioning the flexible transmission.

3. The drive device for a four-way cart according to claim 2, wherein said motor main shaft and said drive shaft are connected by a coupling, said coupling being a quincunx coupling.

4. The drive device for a four-way cart according to claim 3, wherein said drive shaft of said cross drive mechanism is supported and fixed by two bearing seats fixed to a base of said cart, said bearing seats being provided with cylindrical roller bearings.

5. The drive arrangement of claim 4, wherein the driven axle has two first drive wheels disposed thereon for driving two of the travel axles disposed on opposite sides of the truck.

6. The drive device for a four-way cart according to claim 1, further comprising a parallel transmission mechanism, said parallel transmission mechanism comprising:

a second driving wheel arranged on the motor main shaft of the driving motor;

a drive spindle disposed parallel to the motor spindle; the second driven wheel and the third driving wheel are respectively arranged on the transmission main shaft;

a running wheel and a third driven wheel which are coaxially and synchronously arranged; and

and the flexible transmission part is used for connecting the driving wheel and the driven wheel.

7. The drive device for a four-way cart according to claim 6, wherein a bearing fixing plate, a bearing fixing seat and a bearing fixed to a cart base are provided at both ends of said transmission main shaft;

two groups of second driven wheels and third driving wheels are respectively arranged at two ends of the transmission main shaft and respectively drive two groups of third driven wheels and driving wheels.

8. The driving device of claim 6, wherein the driving device drives a traveling wheel set, the traveling wheel set includes a first traveling wheel set and a second traveling wheel set disposed on a side of the four-way transportation vehicle and having mutually perpendicular moving directions;

the first running wheel set and the second running wheel set respectively adopt one of the crossed transmission mechanism or the parallel transmission mechanism.

9. The drive device for a four-way cart according to claim 8, wherein said transmission of said first running wheel set is an intersection transmission and said transmission of said second running wheel set is a parallel transmission.

10. The drive device for a four-way cart according to claim 6, wherein said travel wheels are fixed to a travel shaft by a fixing clip;

the driving wheel or each driving wheel, the driven wheel and the tension wheel adopt double-row chain wheels;

the driving motor is a driving motor, the rated power of the driving motor is 800W, and the rotating speed of the driving motor is 2000 revolutions; the driving motor is fixed by a motor fixing plate or a motor fixing seat.