CN212769694U

CN212769694U - Movable lifting device and AGV

Info

Publication number: CN212769694U
Application number: CN202021162869.3U
Authority: CN
Inventors: 朱忠
Original assignee: Dongguan Zhuolan Automation Equipment Co ltd
Current assignee: Dongguan Zhuolan Automation Equipment Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-03-23
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a movable lifting device and AGV car, movable lifting device includes: the lifting mechanism comprises a base plate, a rotary support, at least two groups of lifting assemblies and a driving motor, wherein the rotary support is installed on one side of the base plate, the lifting assemblies are installed on the other side of the base plate, the lifting assemblies are evenly distributed along the outer peripheral side of the base plate, the driving motor is installed on the base plate and comprises a first motor and a second motor, the first motor and the rotary support are connected through a first gear, the second motor and the lifting assemblies are connected through a second gear assembly, the first motor drives a first gear to drive the rotary support to rotate, the second motor drives a second gear assembly to drive the lifting assemblies to lift, lifting and rotating functions are achieved, the lifting assemblies and the rotary support do not interfere with each other, and rotating efficiency is improved.

Description

Movable lifting device and AGV

Technical Field

The utility model relates to a technical field is transported in the commodity circulation, in particular to movable lifting device and AGV car.

Background

An AGV (automatic Guided Vehicle) is a Vehicle equipped with an electromagnetic or optical automatic guide device, which can travel along a predetermined guide path and has safety protection and various transfer functions. With the development of electronic and control technologies, AGV technology is also continuously advancing, and is developing towards better performance, cheaper cost and higher degree of freedom.

At present, most of existing AGV jacking mechanisms are matched with screw nuts through hollow large screws to achieve lifting and rotating of the middle part of the AGV, however, the lifting mechanisms and the rotating mechanisms of the existing AGV jacking mechanisms need to share a thick gear, when the rotating mechanisms act, the lifting mechanisms can be affected, and the lifting mechanisms are matched with the rotating mechanisms to act together to achieve static horizontal rotation of the whole jacking disc relative to the ground height direction. Therefore, the rotating efficiency of the jacking disc is very low every time, and a hollow large screw rod in the existing AGV jacking mechanism is high in processing requirement, high in cost and complex in installation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a movable lifting device.

The utility model also provides a AGV car that contains this activity elevating gear.

According to the utility model discloses an embodiment of the first aspect provides an activity elevating gear, include: the lifting mechanism comprises a base plate, a rotary support, at least two groups of lifting assemblies and a driving motor, wherein the rotary support is installed on one side of the base plate, the lifting assemblies are installed on the other side of the base plate, the lifting assemblies wind the periphery of the base plate to be uniformly distributed, the driving motor is installed on the base plate, the driving motor comprises a first motor and a second motor, the first motor is connected with the rotary support through a first gear, and the second motor is connected with the lifting assemblies through a second gear assembly.

Has the advantages that: this activity elevating gear includes: bottom plate, rotatory supporting, at least two sets of lifting unit, driving motor, rotatory supporting installs in bottom plate one side, and lifting unit installs the opposite side at the bottom plate, and lifting unit winds bottom plate periphery evenly distributed, and driving motor installs on the bottom plate, and driving motor includes first motor and second motor, first motor with rotatory supporting is through first gear connection, and second motor and lifting unit pass through second gear assembly and connect, and first motor drive first gear drives rotatory supporting and rotates, and second motor drive second gear assembly drives lifting unit and goes up and down, realizes going up and down and rotating function, and lifting unit and rotatory supporting mutually noninterference promote rotation efficiency.

According to the utility model discloses movable lifting device, the inner circle of rotary support is provided with first internal gear, first gear with first internal gear meshing transmission, the first gear of first motor drive rotates, and drives rotary support rotates.

According to the utility model discloses the first aspect embodiment movable lifting device, lifting unit's quantity is four groups, four groups radian such as lifting unit distributes in bottom plate week side.

According to the utility model discloses the first aspect embodiment movable lifting device, lifting unit includes lead screw portion and screw portion, lead screw portion fixes on the bottom plate, screw portion with lead screw portion screw-thread fit, lead screw portion with the second motor passes through the second gear subassembly and connects, second motor drive lead screw portion rotates, the screw portion is followed lead screw portion oscilaltion activity.

According to the utility model discloses the first aspect embodiment movable lifting device, lifting unit still includes the screw support, screw portion with the screw support passes through bearing activity articulated.

According to the utility model discloses the first aspect embodiment movable lifting device, the second gear subassembly includes drive ring gear, second gear and third gear, the second gear is installed on the output shaft of second motor, the drive ring gear is provided with second ring gear and outer ring gear, the second gear meshes with the second ring gear of drive ring gear, the third gear with lead screw portion connects, the drive ring gear drive third gear revolve.

According to the utility model discloses the first aspect embodiment movable lifting device, the second gear subassembly still includes transition gear, transition gear fixes through the pivot on the bottom plate, just transition gear meshes with the outer ring gear of driving gear ring and third gear respectively.

According to the utility model discloses the embodiment of the first aspect movable lifting device, the rotation support with the interval sets up about the bottom plate, the rotation support through a plurality of supporting shoes with the bottom plate is fixed, the transmission ring gear sets up the rotation support with between the bottom plate, the upper end and the lower extreme of transmission ring gear all are provided with the locating plate, transition gear portion joint is two between the locating plate.

According to the utility model discloses movable lifting device, movable lifting device still includes sensor assembly, sensor assembly includes sensor and support, the support mounting in the slewing bearing with on the bottom plate.

According to a second aspect of the present invention, there is provided an AGV vehicle comprising a movable lifting device as described above.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

fig. 4 is a top view of fig. 1.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, an active lifting device includes: the lifting device comprises a base plate 100, a rotary support 200, at least two groups of lifting assemblies 300 and a driving motor 400, wherein the rotary support 200 is arranged on one side of the base plate 100, the lifting assemblies 300 are arranged on the other side of the base plate 100, the lifting assemblies 300 are uniformly distributed on the outer peripheral side of the base plate 100, the driving motor 400 is arranged on the base plate 100, the driving motor 400 comprises a first motor 410 and a second motor 420, the first motor 410 is connected with the rotary support 200 through a first gear 500, and the second motor 420 is connected with the lifting assemblies 300 through a second gear assembly 600.

Referring to fig. 1, the inner ring of the rotary support 200 is provided with a first internal gear 210, the first gear 500 and the first internal gear 210 are in mesh transmission, and the first motor 410 drives the first gear 500 to rotate and drives the rotary support 200 to rotate. The first motor 410 is connected to a reducer, and the first gear 500 is provided on an output shaft of the reducer. The first motor 410 drives the first gear 500 to rotate the rotary support 200.

Referring to fig. 1, in one embodiment, an active lift device includes: a base plate 100, a rotary support 200, four sets of lifting assemblies 300, and a drive motor 400. The base plate 100 is circular, four ear plates are arranged on the base plate at 90 degrees, and the four sets of lifting assemblies 300 are arranged on the ear plates of the base plate 100. Specifically, the lifting assembly 300 includes a screw rod portion 310 and a nut portion 320, the screw rod portion 310 is fixed on the base plate 100, the nut portion 320 is in threaded fit with the screw rod portion 310, the screw rod portion 310 is connected with a second motor 420 through a second gear assembly 600, the second motor 420 drives the screw rod portion 310 to rotate, and the nut portion 320 moves up and down along the screw rod portion 310.

In some implementations, the lifting assembly 300 includes a screw part 310, a nut part 320, and a nut support 330, wherein the nut part 320 is movably hinged with the nut support 330 through a bearing.

The second gear assembly 600 includes a transmission ring gear 610, a second gear 620, and a third gear 630, the second gear 620 is mounted on the output shaft of the second motor 420, and the transmission ring gear 610 and the rotary support 200 are vertically disposed. The driving gear 610 is provided with a second inner gear ring and an outer gear ring, the second gear 620 is engaged with the second inner gear ring of the driving gear 610, the third gear 630 is connected with the wire rod part 310, and the driving gear 610 drives the third gear 630 to rotate. The second gear 620 and the first gear 500 are arranged in a vertically staggered manner, and the first motor 410 and the second motor 420 can drive the rotary support 200 and the lifting assembly 300 to be not interfered with each other, so that the efficiency is improved.

Of course, it is understood that the second gear assembly 600 includes a ring gear 610, a second gear 620, a third gear 630, and a transition gear 640. The transition gear 640 is fixed on the base plate 100 by a rotation shaft, and the transition gear 640 is engaged with the outer ring gear of the power ring gear 610 and the third gear 630, respectively. A transition gear 640 is disposed between the driving ring gear 610 and the third gear 630, mainly considering the space problem, and preventing the third gear 630 from being inconveniently meshed with the external ring gear of the driving ring gear 610.

The rotary support 200 and the bottom plate 100 are arranged at intervals up and down, the rotary support 200 is fixed with the bottom plate 100 through a plurality of supporting blocks, the transmission gear ring 610 is arranged between the rotary support 200 and the bottom plate 100, the upper end and the lower end of the transmission gear ring 610 are both provided with positioning plates, the transition gear 640 is partially clamped between the two positioning plates, and the upper positioning plate and the lower positioning plate can play a role in centering.

In some embodiments, the movable lift device comprises: a base plate 100, a rotary support 200, at least two sets of lifting assemblies 300, a driving motor 400, and a sensor assembly 700. The sensor assembly 700 includes a sensor 710 and a bracket 720, the bracket 720 being mounted on the rotary bearing 200 and the base plate 100. The sensor assembly 700 may detect the start of rotation for reset detection.

According to the utility model discloses AGV car of second aspect embodiment, it includes as preceding movable lifting device.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. Activity elevating gear, its characterized in that includes:

a base plate;

a rotary support installed at one side of the base plate;

the lifting assemblies are arranged on the other side of the bottom plate and are uniformly distributed around the periphery of the bottom plate;

the driving motor is installed on the bottom plate and comprises a first motor and a second motor, the first motor is connected with the rotary support through a first gear, and the second motor is connected with the lifting assembly through a second gear assembly.

2. A mobile lifting device according to claim 1, characterised in that: the inner ring of the rotary support is provided with a first internal gear, the first gear and the first internal gear are in meshing transmission, and the first motor drives the first gear to rotate and drives the rotary support to rotate.

3. A mobile lifting device according to claim 1, characterised in that: the number of the lifting assemblies is four, and the four groups of the lifting assemblies are distributed on the periphery of the bottom plate in an equal radian manner.

4. A mobile lifting device according to claim 1 or 3, characterised in that: the lifting assembly comprises a screw rod part and a screw nut part, the screw rod part is fixed on the bottom plate, the screw nut part is in threaded fit with the screw rod part, the screw rod part is connected with the second motor through the second gear assembly, the second motor drives the screw rod part to rotate, and the screw nut part moves up and down along the screw rod part.

5. A mobile lifting device according to claim 4, characterised in that: the lifting assembly further comprises a nut support, and the nut portion is movably hinged with the nut support through a bearing.

6. A mobile lifting device according to claim 4, characterised in that: the second gear assembly comprises a transmission gear ring, a second gear and a third gear, the second gear is installed on an output shaft of the second motor, the transmission gear ring is provided with a second inner gear ring and an outer gear ring, the second gear is meshed with the second inner gear ring of the transmission gear ring, the third gear is connected with the screw rod portion, and the transmission gear ring drives the third gear to rotate.

7. A mobile lifting device according to claim 6, characterised in that: the second gear assembly further comprises a transition gear, the transition gear is fixed on the bottom plate through a rotating shaft, and the transition gear is meshed with the outer gear ring of the transmission gear ring and the third gear respectively.

8. The mobile lifting device of claim 7, wherein: the rotary support and the bottom plate are arranged at intervals up and down, the rotary support is fixed with the bottom plate through a plurality of supporting blocks, the transmission gear ring is arranged between the rotary support and the bottom plate, the upper end and the lower end of the transmission gear ring are both provided with positioning plates, and the transition gear part is clamped between the two positioning plates.

9. A mobile lifting device according to claim 1, characterised in that: the movable lifting device further comprises a sensor assembly, the sensor assembly comprises a sensor and a bracket, and the bracket is mounted on the rotary support and the bottom plate.

An AGV vehicle comprising a mobile lifting device according to any one of claims 1 to 9.