CN112849869A

CN112849869A - Stereoscopic warehouse shuttle

Info

Publication number: CN112849869A
Application number: CN202011551412.6A
Authority: CN
Inventors: 屈坤; 陈凤阳; 徐从余
Original assignee: Jiangsu Xinguanyi Technology Co ltd
Current assignee: Jiangsu Xinguanyi Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-05-28

Abstract

The invention provides a stereoscopic warehouse shuttle car which comprises a car body, wherein a driving mechanism is arranged in the car body, the driving mechanism comprises two driving components and two driven components, the two driving components are respectively arranged on the left side and the right side, the driving components comprise driving motors, driving support frames and driving trundles, the driving motors and the driving trundles are arranged on the driving support frames, the driving motors are in transmission connection with the driving trundles, the driven components comprise driven driving support frames and driven trundles, and the driven trundles are arranged on the driven driving support frames. According to the invention, the driving components are respectively arranged on the left side and the right side, so that differential driving can be realized, and thus when the shuttle vehicle is in yaw, the course can be corrected through differential. Preferably, the guide wheels are arranged at four corners, so that the operation is stable and is free of jamming. In addition, the driving caster wheel and the driven caster wheel are designed in a double-wheel mode, the lifting mechanism is lifted by the lead screw, and the whole bearing capacity is larger.

Description

Stereoscopic warehouse shuttle

Technical Field

The invention relates to a transportation technology of a warehouse logistics system, in particular to a stereoscopic warehouse shuttle car.

Background

The shuttle car in the stereoscopic warehouse is used for carrying the tray on the goods shelves, the tray is placed on the goods shelves, and the shuttle car is placed on the track below the tray in the goods shelves. When the pallet needs to be carried, the shuttle car runs to the position below the pallet, then the top of the shuttle car is lifted, the pallet can be lifted in the process, and after the lifting is finished, the shuttle car runs along the goods shelf rail to carry the pallet to a specified position.

Space in the three-dimensional storage is precious, the shuttle car is required to be small and exquisite in structure and large in load, and the size of internal devices of the shuttle car cannot be too large. The traditional shuttle vehicle driving system is large in size, limited in space reserved for other components, limited in battery capacity and more crowded in other devices. In addition, the existing shuttle car generally adopts a set of driving system as disclosed in patent CN201810971118.7, the left and right side wheels are mounted on the same shaft, the rotating speed is the same, but the diameter and deformation of the wheels cannot be completely the same, which often causes the shuttle car to be stuck with the rail after walking for a certain distance.

Disclosure of Invention

The invention aims to provide a stereoscopic warehouse shuttle car which is stable in running and not easy to clamp.

The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.

According to one aspect of the invention, a stereoscopic warehouse shuttle car is provided, which comprises a car body, wherein a driving mechanism is arranged in the car body, the driving mechanism comprises two driving components and two driven components, the two driving components are respectively arranged on the left side and the right side, the driving components comprise driving motors, driving support frames and driving trundles, the driving motors and the driving trundles are arranged on the driving drive support frames, the driving motors are in transmission connection with the driving trundles, the driven components comprise driven driving support frames and driven trundles, and the driven trundles are arranged on the driven driving support frames.

In one embodiment, a lifting mechanism is further arranged in the vehicle body of the stereoscopic warehouse shuttle vehicle, the lifting mechanism comprises a lifting motor, a chain and a lifting screw rod assembly, the lifting screw rod assembly is arranged at four corners of the vehicle body, the lifting screw rod assembly comprises a nut bearing seat and a screw rod, the screw rod penetrates through the nut bearing seat, a chain wheel is connected to the bottom of the screw rod, the lifting motor is connected with each chain wheel through the chain to drive each screw rod to lift, and the top of the screw rod is connected with a top plate.

In an embodiment, the stereoscopic warehouse shuttle car further comprises a tensioning mechanism, the tensioning mechanism comprises a tensioning wheel and a tensioning seat, the tensioning wheel is movably arranged on the tensioning seat, and the chain bypasses the tensioning wheel.

In one embodiment, a guide assembly is arranged on one side of each lifting screw rod assembly of the stereoscopic warehouse shuttle car, the guide assembly comprises a guide shaft and a linear bearing seat, the guide shaft penetrates through the linear bearing seat and is parallel to the screw rod, and the top end of the guide shaft is connected with the top plate.

In one embodiment, the lifting screw assembly and the guide assembly of the stereoscopic warehouse shuttle vehicle are both arranged on the inner sides of the driving caster and the driven caster.

In one embodiment, the driving bracket and the driven driving bracket of the stereoscopic warehouse shuttle vehicle are identical in structure.

In one embodiment, the driving caster and the driven caster of the stereoscopic warehouse shuttle are of a two-wheel structure.

In one embodiment, four corners of the body of the stereoscopic warehouse shuttle are provided with guide wheels for contacting with the rails.

In one embodiment, the two active components of the stereoscopic warehouse shuttle are disposed on different front and rear sides.

In one embodiment, the lifting motor of the stereoscopic warehouse shuttle car is arranged on the driven driving bracket, and the lifting motor and the driving motor are staggered in the horizontal direction.

The embodiment of the invention has the beneficial effects that: the driving assemblies are arranged on the left side and the right side respectively, so that differential driving can be achieved, and when the shuttle car is in yaw, the course can be corrected through the differential. Preferably, the guide wheels are arranged at four corners, so that the operation is stable and is free of jamming. In addition, the driving caster wheel and the driven caster wheel are designed in a double-wheel mode, the lifting mechanism is lifted by the lead screw, and the whole bearing capacity is larger.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

The above features and advantages of the present disclosure will be better understood upon reading the detailed description of embodiments of the disclosure in conjunction with the following drawings. In the drawings, components are not necessarily drawn to scale, and components having similar relative characteristics or features may have the same or similar reference numerals.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic internal view of an embodiment of the present invention (with the housing removed);

FIG. 3 is a schematic internal diagram of an embodiment of the present invention (with the electrical board assembly hidden);

FIG. 4 is a schematic bottom view of FIG. 3;

FIG. 5 is a schematic diagram of an active device according to an embodiment of the present invention;

FIG. 6 is a bottom view of FIG. 5;

FIG. 7 is a schematic view of the structure of a drive bracket according to an embodiment of the present invention;

wherein: 1-a vehicle body; 2-an active component; 21-a drive motor; 22-active drive mount; 23-a drive caster; 3-a driven assembly; 31-a driven drive carriage; 32-a driven caster; 41-a lifting motor; 42-a chain; 43-a sprocket; 51-a tension wheel; 52-tensioning seat; 61-a guide shaft; 62-linear bearing seats; 7-a top plate; 8-guide wheel.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. It is noted that the aspects described below in connection with the figures and the specific embodiments are only exemplary and should not be construed as imposing any limitation on the scope of the present invention.

As shown in fig. 1 to 6, an embodiment of the present invention provides a stereoscopic warehouse shuttle, including a vehicle body 1, a driving mechanism is disposed in the vehicle body 1, the driving mechanism includes two driving assemblies 2 and two driven assemblies 3, the two driving assemblies 2 are respectively disposed on left and right sides of the vehicle body 1, and the driving assemblies 2 and the driven assemblies 3 are independent of each other. The driving assembly 2 comprises a driving motor 21, a driving support 22 and a driving caster 23, the driving motor 21 and the driving caster 23 are arranged on the driving support 22, the driving motor 21 is in transmission connection with the driving caster 23, the driven assembly 3 comprises a driven driving support 31 and a driven caster 32, and the driven caster 32 is arranged on the driven driving support 31. Through respectively setting up an active component 2 in the left and right sides, can realize the differential drive to when the shuttle yaw, can correct the course through the differential.

Further, still be provided with lifting mechanism in automobile body 1, lifting mechanism includes lifting motor 41, chain 42 and lift lead screw subassembly, and the lift lead screw subassembly sets up in four bights of automobile body, and the lift lead screw subassembly includes nut bearing frame and lead screw, and the lead screw passes the nut bearing frame, and the lead screw bottom is connected with sprocket 43, and lifting motor 41 is connected with each sprocket 43 through chain 42 in order to drive each lead screw lift, and the lead screw top is connected with roof 7.

In addition, in order to ensure the tensioning of the chain 42, a tensioning mechanism is further provided, the tensioning mechanism comprises a tensioning wheel 51 and a tensioning seat 52, the tensioning wheel 51 is movably arranged on the tensioning seat 52, and the chain 42 bypasses the tensioning wheel 51.

In order to ensure that the lifting mechanism vertically ascends and descends, one side of each lifting screw rod assembly is provided with a guide assembly, the guide assembly comprises a guide shaft 61 and a linear bearing seat 62, the guide shaft 61 penetrates through the linear bearing seat 62 and is parallel to the screw rod, and the top end of the guide shaft 61 is connected with the top plate 7. Through being equipped with the guiding axle, can reduce the radial force that the lead screw received to improve the lead screw life-span.

Preferably, the elevation screw assembly and the guide assembly are disposed inside the driving caster 23 and the driven caster 32, so that the overall structure is more compact. Two driving assemblies 3 can be arranged on different sides of the front and the back of the vehicle body 1, and the lifting motor 41 is arranged on the driven driving bracket 31, so that the lifting motor 41 and the two driving motors 21 are staggered in the horizontal direction, and the height of the vehicle body 1 is reduced.

In a possible embodiment, the driving bracket 22 and the driven driving bracket 31 have the same structure, and both can adopt the structure shown in fig. 7, so that the driving assembly 2 and the driven assembly 3 are modularized, the types of parts are reduced, and the production and the assembly are convenient.

In addition, the driving caster 23 and the driven caster 32 can both adopt a double-wheel structure to improve the whole bearing capacity.

In a possible embodiment, the four corners of the body 1 are provided with guide wheels 8 for contact with the rail to ensure smooth running without jamming.

In conclusion, the shuttle vehicle driving scheme of the invention adopts two sets of driving systems, namely a left driving system and a right driving system, so as to realize differential driving, and four corners are respectively provided with a guide wheel, so that the shuttle vehicle is ensured to run stably without jamming; meanwhile, each driving assembly and each driven assembly adopt a double-wheel design, and the lifting mechanism adopts a screw rod for jacking, so that the bearing capacity is larger; the lifting mechanism is integrated into the driving system and the driven system, so that the structure is compact and the stability is good; the driving assembly and the driven assembly are modularized and highly interchangeable, the number of parts is small, and the production and the assembly are convenient.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The above description is only a preferred example of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present application should be included in the scope of the present application.

Claims

1. The utility model provides a stereoscopic warehouse shuttle, includes the automobile body, be provided with actuating mechanism in the automobile body, its characterized in that: actuating mechanism includes two initiative subassemblies and two driven subassemblies, two initiative subassemblies set up respectively in the left and right sides, initiative subassembly includes driving motor, initiative drive support and initiative truckle, driving motor and initiative truckle set up in on the initiative drive support, driving motor with the transmission of initiative truckle is connected, driven subassembly includes driven drive support and driven truckle, driven truckle set up in on the driven drive support.

2. The stereoscopic warehouse shuttle of claim 1, wherein: still be provided with lifting mechanism in the automobile body, lifting mechanism includes lifting motor, chain and lift lead screw subassembly, the lift lead screw subassembly set up in four bights of automobile body, the lift lead screw subassembly includes nut bearing frame and lead screw, the lead screw passes the nut bearing frame, the lead screw bottom is connected with the sprocket, lifting motor passes through the chain is connected with each sprocket and goes up and down in order to drive each lead screw, the lead screw top is connected with the roof.

3. The stereoscopic warehouse shuttle of claim 2 wherein: still include straining device, straining device includes take-up pulley and tensioning seat, take-up pulley movably set up in on the tensioning seat, the chain bypasses the take-up pulley.

4. The stereoscopic warehouse shuttle of claim 2 wherein: every one side of lift lead screw subassembly all is provided with guide assembly, guide assembly includes guiding axle and sharp bearing frame, the guiding axle passes sharp bearing frame and with the lead screw is parallel, the guiding axle top with the roof is connected.

5. The stereoscopic warehouse shuttle of claim 4, wherein: the lifting screw rod assembly and the guide assembly are arranged on the inner sides of the driving caster and the driven caster.

6. The stereoscopic warehouse shuttle of claim 1, wherein: the driving support and the driven driving support are identical in structure.

7. The stereoscopic warehouse shuttle of claim 1, wherein: the driving caster wheel and the driven caster wheel are of a double-wheel structure.

8. The stereoscopic warehouse shuttle of claim 1, wherein: and guide wheels used for contacting with the track are arranged at four corners of the vehicle body.

9. The stereoscopic warehouse shuttle of claim 1, wherein: the two active components are arranged on different sides in the front and the back.

10. The stereoscopic warehouse shuttle of claim 1, wherein: the lifting motor is arranged on the driven driving support, and the lifting motor and the driving motor are staggered in the horizontal direction.