A kind of RGV dolly
Technical field
The present invention relates to Automatic Conveying technical field, particularly relate to a kind of RGV dolly.
Background technology
Along with the development of automatic Material Handling System and Automatic Warehouse, RGV dolly produces thereupon, RGV dolly can be used for the warehouse of all kinds of high density storage mode, little vehicle passage can design any length, whole warehouse storage amount can be improved, and sailing tunnel when operating into without the need to fork truck, making its safety meeting higher.Utilizing fork truck without the need to entering the advantage in tunnel, coordinating the quick operation of dolly in tunnel, effectively improving the operating efficiency in warehouse.RGV dolly can realize with other logistics systems, from being dynamically connected, as in/out storehouse platform, various buffered station, conveyer, elevator and robot etc., carrying out the conveying of material according to schedule very easily.In addition, it is without the need to human users, and running velocity is fast.Thus significantly reduce the work capacity of stock clerk, improve labor efficiency, the application of shuttle simultaneously can make logistics system become very simple and direct.For adapting to the high-density city mode in modernization warehouse, RGV dolly needs quick operation usually, when the corner of dolly with circular orbit, there is larger centripetal force like this and make dolly offset track, existing RGV dolly is typically employed in the method that track is widened in corner, and corner adopts barcode scanning to control, and makes the cost of RGV dolly increase.
Such as a kind of RGV dolly disclosed in Chinese patent CN103481895A, comprise the actuating device be fixed in RGV dolly trolley body, this actuating device has drive wheel, driving arm and engine installation, described drive wheel is fixed on engine installation, described engine installation is fixed on described driving arm, described driving arm is fixed in RGV dolly trolley body, and drive wheel contacts with orbital platform, rotating under the driving of engine installation, driving RGV dolly to move on orbital platform by rotating the friction drive produced with orbital platform.This RGV dolly by wheel and orbital platform frictional movement, and when RGV dolly negotiate the corner time, easily because of offset track about centripetal force.And this dolly only comprises the needs that kinematic mechanism function simply can not adapt to modernization warehouse.
And for example a kind of rail Shuttling trolley disclosed in Chinese patent CN204549240U, comprise tray substrate and the roller being arranged at tray substrate lower end, the upper end of described tray substrate is provided with a pair diffuse reflector, unrestrained projector inserts and is connected on sensor stand, described tray substrate upper end is also provided with control capsule, small-sized PLC is arranged in control capsule, four angles of tray substrate are respectively provided with a track adjusting wheel, the bottom of tray substrate is also provided with a pair cardan wheel and directional wheel, directional wheel is arranged on directed wheel seat, the centre of directed wheel seat is also provided with driven sprocket, driven sprocket is connected by rotating shaft with directional wheel, driven sprocket is connected with drive sprocket by chain, drive sprocket connects motor, described motor is direct current 24V brushless motor, motor is arranged on the bottom of tray substrate by motor support base.This rail Shuttling trolley only has individual A end, when dolly becomes outside track through S type bend driver train inside original track, easily causes the rollover of dolly.
Summary of the invention
To turn the problem of inclined rail for overcoming the RGV dolly existed in prior art, the invention provides the RGV dolly that a kind of band turns to mobile device.
A kind of technical scheme of RGV dolly is: comprise trolley body, track and cover plate, described trolley body is across on the track, described cover plate is positioned at described trolley body upper end, described cover plate and described trolley body active link, its innovative point is: described trolley body comprises 2 drive parts, 2 secondary parts, vehicle frame, 2 crossbeams, at least 4 turn to mobile device and transport portion, described 2 crossbeams lay respectively at the rear and front end of described vehicle frame, described crossbeam is fixedly connected with described vehicle frame, described at least 4 turn to mobile device to be flexibly connected with described 2 drive parts and 2 secondary parts respectively, described crossbeam is connected with the described mobile device activities that turns to.
Further, described in turn to mobile device to comprise slide block, chute and rotation adapter plate, described slide block is connected with described slide, and described slide block is fixedly connected with described crossbeam, and described chute is fixedly connected with described rotation adapter plate.
Further, described 2 drive parts lay respectively at two diagonally opposing corners of described trolley body, described 2 drive parts with described trolley body center shaft place straight line for center of symmetry is centrosymmetric.
Further, described drive part comprises drive motor, speed control case, drive wheel and transmission device, described drive motor is fixedly connected with described transmission device, described transmission device is fixedly connected with described speed control case, described drive wheel is positioned at described speed control case lower end, and described drive wheel is flexibly connected with described speed control case.
Further, described drive part lower end is provided with 4 and drives locating wheel, and described driving locating wheel is flexibly connected with described drive part, and described 4 drive locating wheel to be divided into 2 groups to lay respectively at track both sides.
Further, described 2 secondary parts lay respectively at two diagonally opposing corners beyond described trolley body drive part, described 2 secondary parts with described trolley body center shaft place straight line for center of symmetry is centrosymmetric.
Further, described secondary part comprises flower wheel and support, and described flower wheel is positioned at described pedestal lower end centre portion, and described flower wheel is flexibly connected with described support, and the described driven mobile device that turns to is flexibly connected with described pedestal upper end.
Further, described secondary part lower end is provided with 4 driven locating wheels, and described driven locating wheel is flexibly connected with described secondary part, and described 4 driven locating wheels are divided into two groups to lay respectively at track both sides.
Further, described transport portion is positioned in the middle part of described crossbeam, described transport portion is flexibly connected with described crossbeam, described transport portion comprises transmission motor, transmission chain, transmission gear, transmission shaft, delivery wheel, guide wheel and hollow housing, described hollow housing is fixedly connected with described crossbeam, described transmission shaft is flexibly connected with described crossbeam, described guide wheel is flexibly connected with described vehicle frame, described transmission gear is fixedly connected with described transmission shaft, and each position of described transport portion is connected by transmission chain.
Further, the various piece of RGV dolly is all coated with backplate.
Compared with prior art, the invention has the beneficial effects as follows:
(1) this RGV dolly has two drive parts, two secondary parts lay respectively at both sides, drive part can be made to be positioned at inner side all the time by the conversion of drive part drive motor when crossing S and being curved, make RGV dolly more firm in the process run fast like this.
(2) this RGV dolly arranges and turns to mobile device, by sliding shoe, car frame can be moved in corner and wheel keeps orbiting, when turning because centripetal force effect car frame part is inwardly slided, avoiding inertia and making car wheel generation sidesway cause derailing.
(3) because dolly turns to mobile device, the circular orbit of dolly is widened without the need to corner again, saves material, reduces cost.
(4) each wheel both sides of this RGV dolly are provided with two groups of locating wheels, are fixed in orbit by wheel, and structure is simple, and makes dolly more steady in operational process.
(5) this RGV dolly is provided with transport portion, is loaded and unloaded by goods by conveying axis and delivery wheel, improves the work efficiency of RGV dolly.
(6) various piece of this RGV dolly is all coated with guar plate, avoids collision and causes damage to dolly, extend the service life of dolly.
Accompanying drawing explanation
Fig. 1 is a kind of RGV dolly front schematic view;
Fig. 2 is that a kind of RGV dolly turns to mobile device schematic diagram;
Fig. 3 is a kind of RGV dolly drive part schematic diagram;
Fig. 4 is a kind of RGV dolly secondary part schematic diagram;
Fig. 5 is a kind of RGV cart transport partial schematic diagram;
Fig. 6 is a kind of RGV dolly side schematic view.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Be a kind of detailed description of the invention of RGV dolly as shown in figs 1 to 6.As shown in Figure 1, it comprises trolley body 1, track 2 and cover plate 3, trolley body 1 is across on track 2, cover plate 3 is positioned at trolley body 2 upper end, cover plate 3 and trolley body 2 active link, trolley body 1 comprises 2 drive parts 4, 2 secondary parts 5, vehicle frame 11, crossbeam 12, 4 turn to mobile device 13 and transport portion 6, 2 crossbeams 12 lay respectively at the rear and front end of described vehicle frame 11, crossbeam 12 is fixedly connected with vehicle frame 11, 4 turn to mobile device 13 to be flexibly connected with 2 drive parts 4 and 2 secondary parts 5 respectively, crossbeam 12 is flexibly connected with turning to mobile device 13.
As shown in Figure 2, turn to mobile device 13 comprise slide block 24, chute 25 and rotate adapter plate 26, slide block 24 and chute 25 sliding block joint, slide block 24 is fixedly connected with crossbeam 12, and chute 25 is connected with rotation adapter plate 26 screw.Slide block 24 links with crossbeam 12 screw, and the surface finish of slide block 24 is smooth, and chute 25 links with rotation adapter plate 26 screw, polishes smooth in chute 25.Chute 25 two ends are provided with baffle plate and chute 25 is one-body molded, and anti-limited slip block departs from chute.Rotate adapter plate 26 lower end to be flexibly connected with connecting bridge, can rotate around adapter shaft.
As shown in figures 1 to 6,2 drive parts 4 lay respectively at two diagonally opposing corners of trolley body 1,2 drive parts 4 with trolley body 1 center shaft place straight line for center of symmetry is centrosymmetric.Both sides are equipped with drive part, can switch drive part, making drive part be in curve inner side all the time like this, making dolly more stable in operational process when crossing S type bend.
As shown in Figure 3, drive part 4 comprises drive motor 7, speed control case 8, drive wheel 9 and transmission device 10, and drive motor 7 is fixedly connected with transmission device 10, and transmission device 10 is fixedly connected with speed control case 8, drive wheel 9 is positioned at speed control case 8 lower end, and drive wheel 9 is flexibly connected with speed control case 8.Transmission device 10 inside is belt-driving, is provided with reducing motor in speed control case 8, and when needing to slow down, reducing motor startup rotates backward the running that can control dolly accurately.
As shown in Figure 3, drive part 4 lower end is provided with 4 and drives locating wheel 22, drives locating wheel 22 to be flexibly connected with drive part 4, and 4 drive locating wheel 22 to be divided into 2 groups to lay respectively at track 2 both sides.Driving locating wheel 22 to have certain distance apart from track 2, only can be attached on track 2 when turning, preventing when keeping straight on because efficiency is lowered in friction force effect.
As shown in figures 1 to 6,2 secondary parts 5 lay respectively at two diagonally opposing corners of trolley body 1,2 secondary parts 4 with trolley body 1 center shaft place straight line for center of symmetry is centrosymmetric.
As shown in Figure 4, secondary part 5 comprises flower wheel 13 and support 14, flower wheel 13 is positioned at support 14 lower end centre portion, flower wheel 13 is flexibly connected with support 14, secondary part 5 lower end is provided with 4 driven locating wheels 23, driven locating wheel 23 is flexibly connected with secondary part 5, and 4 driven locating wheels 23 are divided into two groups to lay respectively at track 2 both sides.
As shown in Figure 5, transport portion 6 is positioned in the middle part of crossbeam 12, transport portion 6 is flexibly connected with crossbeam 12, transport portion 6 comprises transmission motor 15, transmission chain 16, transmission gear 17, transmission shaft 18, delivery wheel 21, guide wheel 19 and hollow housing 20, hollow housing 20 is fixedly connected with crossbeam 12, and transmission shaft 18 is flexibly connected with crossbeam 12, and guide wheel 19 is flexibly connected with vehicle frame 11, transmission gear 17 is fixedly connected with transmission shaft 18, and each position of transport portion 6 is connected by transmission chain 16.Transmission shaft 18 is nested with in conveying axis, can by cargo handing by delivery wheel and the friction force effect between conveying axis and goods.
As shown in Figure 1, the various piece of RGV dolly is all coated with backplate 27, avoids collision and causes damage to dolly, extend the service life of dolly.
Above-mentioned explanation illustrate and describes the preferred embodiments of the present invention, as previously mentioned, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in invention contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection domain of claims of the present invention.