CN215042080U

CN215042080U - AGV differential drive module that area hung

Info

Publication number: CN215042080U
Application number: CN202120181468.0U
Authority: CN
Inventors: 姜跃君; 吴祖贤
Original assignee: Eoslift Logistics Technology Shanghai Co Ltd
Current assignee: Eoslift Logistics Technology Shanghai Co Ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-12-07
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a AGV differential drive module that area hung, including bottom plate and roof, two servo motor of top outer wall fixedly connected with of bottom plate, and two servo motor's output shaft orientation is opposite, the first drive gear of the equal fixedly connected with of servo motor's output shaft, be provided with the drive wheel mounting panel between bottom plate and the roof, the one end outer wall of drive wheel mounting panel is opened there is the through-hole, and the inner wall rotation of through-hole is provided with the axis of rotation, the one end outer wall fixedly connected with of axis of rotation deceleration wheel, and the other end fixedly connected with second drive gear of axis of rotation. The utility model discloses a servo motor of low pressure direct current is as executive component for it is more stable convenient that drive wheel control is down at a high speed, thereby makes the module support the drive speed of the biggest 1.8 ms, comes as power transmission mode through adopting first drive gear and second drive gear, makes compact structure, and mechanical transmission efficiency loss is littleer, and effective noise reduction.

Description

AGV differential drive module that area hung

Technical Field

The utility model relates to a AGV technical field especially relates to a AGV differential drive module that area hung.

Background

The AGV is an "automatic guided vehicle," which is a vehicle equipped with an electromagnetic or optical automatic guide device, can travel along a predetermined guide path, and has safety protection and various transfer functions.

The differential drive module of the AGV generally utilizes the forward and reverse rotation of two coaxial drive wheels to control the motion of the AGV. The two wheels are in the same speed and direction, the AGV advances or retreats, and the two wheels are in the same speed and direction, and the AGV turns left or right. Load is big or need translation motion's AGV needs 2 above-mentioned differential modules to realize, often called "double differential AGV", more complicated "many differential AGV" has utilized more differential modules promptly, and at present, current AGV differential drive module, the integrated level is higher to often appear turning to the precision or turning to the precision under high-speed not enough, influence AGV's use, consequently, need to design an AGV differential drive module to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the often appearing among the prior art and turning to the precision or turn to the shortcoming that the precision is not enough under high speed, and the AGV differential drive module that a band hangs that proposes, its advantage lies in as executive component through low pressure direct current servo motor for drive wheel control is more stable convenient under the high speed.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a AGV differential drive module that area hung, includes bottom plate and roof, two servo motor of top outer wall fixedly connected with of bottom plate, and two servo motor's output shaft orientation is opposite, the equal fixedly connected with drive gear of servo motor's output shaft, be provided with the drive wheel mounting panel between bottom plate and the roof, the one end outer wall of drive wheel mounting panel is opened there is the through-hole, and the inner wall rotation of through-hole is provided with the axis of rotation, the one end outer wall fixedly connected with of axis of rotation deceleration wheel, and the other end fixedly connected with second drive gear of axis of rotation, first drive gear meshes with second drive gear mutually.

Preferably, the servo motor is a low-voltage direct-current servo motor.

Preferably, the bottom outer wall four corners department of roof all is fixed and is provided with the bumper shock absorber, and the fixed installation casing that is provided with in bottom of bumper shock absorber, is located two of same end the one end outer wall fixed connection of one end outer wall and the drive wheel mounting panel of installation casing.

Preferably, the top outer wall of roof is opened there is the mounting groove, and the inner wall fixedly connected with collar of mounting groove, and the circumference outer wall fixedly connected with bearing of collar, the circumference outer wall fixedly connected with gyration supporting disk of bearing, and the circumference outer wall of gyration supporting disk is opened there is the tooth's socket.

Preferably, the top outer wall of roof rotates and is connected with first transition gear, the top of roof rotates and is provided with the pivot, and the circumference outer wall top fixedly connected with second transition gear of pivot, first transition gear meshes with the tooth's socket of gyration supporting disk mutually, second transition gear meshes with first transition gear mutually, the fixed encoder that is provided with of bottom outer wall of pivot.

Preferably, the top outer wall of roof rotates and is provided with the potentiometer, and the circumference outer wall fixedly connected with connecting gear of potentiometer, connecting gear meshes with the second transition gear mutually.

The utility model has the advantages that:

1. this AGV differential drive module, through being provided with the reducing gear, servo motor, first drive gear and second drive gear, servo motor through low pressure direct current is as executive component, it is more stable convenient to make drive wheel control under the high speed, thereby make the module support the biggest drive speed of 1.8m/s, come as power transmission mode through adopting first drive gear and second drive gear, make compact structure, mechanical transmission efficiency loss is littleer, and effectively the noise reduction, the benefit that compact structure brought makes the module can add the motor of bigger torsion, the module adopts 750W servo motor, torsion is 2.39N.M, can drive the load of the biggest 1200 KG.

2. This AGV differential drive module through being provided with bumper shock absorber and deceleration wheel mounting panel, independent drive wheel suspension unit, the drive unit that not only makes can deal with the ground condition within 10mm, can deal with the influence of the ground foreign matter under the certain condition to the drive unit in addition.

3. This AGV differential drive module through being provided with encoder and potentiometer for control accuracy is more meticulous and can dispose as required, and the turning to of module accessible corresponds the gear ratio conversion and obtains.

The part not related in the device all is the same with prior art or can adopt prior art to realize, and the device design structure is reasonable, and convenient to use satisfies people's user demand.

Drawings

Fig. 1 is a schematic view of a first view structure of a suspended AGV differential driving module according to the present invention;

FIG. 2 is a second view structural diagram of a AGV differential driving module with suspension according to the present invention;

fig. 3 is the utility model provides a partial front structure cross-sectional view of second drive gear and drive wheel mounting panel of AGV differential drive module that hangs in area.

In the figure: 1. a speed reducing wheel; 2. a shock absorber; 3. a servo motor; 4. a first drive gear; 5. an encoder; 6. a potentiometer; 7. a base plate; 8. a top plate; 9. a driving wheel mounting plate; 10. a rotation support plate; 11. a first transition gear; 12. a second transition gear; 13. a second transmission gear.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

The utility model provides a AGV differential drive module that area hangs, as shown in fig. 1-3, including bottom plate 7 and roof 8, there are two servo motor 3 through bolted connection in the top outer wall of bottom plate 7, and the output shaft orientation of two servo motor 3 is opposite, servo motor 3's output shaft all has first drive gear 4 through bolted connection, be provided with drive wheel mounting panel 9 between bottom plate 7 and the roof 8, the one end outer wall of drive wheel mounting panel 9 is opened there is the through-hole, and the inner wall of through-hole rotates and is provided with the axis of rotation, the one end outer wall of axis of rotation has reducing gear 1 through bolted connection, and the other end of axis of rotation has second drive gear 13 through bolted connection, first drive gear 4 meshes with second drive gear 13 mutually, servo motor 3 is low pressure direct current servo motor.

The bottom outer wall four corners department of roof 8 all fixedly is provided with bumper shock absorber 2, and the fixed installation casing that is provided with in bottom of bumper shock absorber 2, and the one end outer wall that is located two installation casings of same end passes through bolted connection with the one end outer wall of drive wheel mounting panel 9. The driving unit of the shock absorber 2 can deal with the ground condition within +/-10 mm and the influence of ground foreign matters on the driving unit under certain conditions.

The outer wall of the top plate 8 is provided with a mounting groove, the inner wall of the mounting groove is connected with a mounting ring through a bolt, and the circumferential outer wall of the mounting ring is connected with a bearing through a bolt, the circumferential outer wall of the bearing is connected with a rotary supporting disk 10 through a bolt, and the outer wall of the circumference of the rotary supporting disk 10 is provided with a tooth socket, the outer wall of the top plate 8 is rotationally connected with a first transition gear 11, the top of the top plate 8 is rotationally provided with a rotating shaft, and the top of the circumferential outer wall of the rotating shaft is connected with a second transition gear 12 through a bolt, the first transition gear 11 is meshed with the tooth socket of the rotary supporting disk 10, the second transition gear 12 is meshed with the first transition gear 11, the outer wall of the bottom of the rotating shaft is fixedly provided with an encoder 5, the outer wall of the top plate 8 is rotatably provided with a potentiometer 6, and the circumferential outer wall of the potentiometer 6 is connected with a connecting gear through a bolt, and the connecting gear is meshed with the second transition gear 12. The outer ring of the top of the rotary supporting disk 10 is connected with the AGV, and the inner ring of the mounting ring is also a cable outlet hole; the control precision is more fine through the encoder 5; the control accuracy is further refined by the potentiometer 6.

The working principle is as follows: servo motor 3 through low pressure direct current is as the executive component, make under the high speed the control of gear 1 more stable convenient, thereby make the module support the drive speed of 1.8m/s the biggest, come as power transmission mode through adopting first drive gear 4 and second drive gear 13, make compact structure, mechanical transmission efficiency loss is littleer, and effective noise reduction, the benefit that compact structure brought makes the module can add the motor of bigger torsion, the module adopts 750W servo motor, torsion is 2.39N.M, can drive the load of the biggest 1200 KG.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a AGV differential drive module that area hung, includes bottom plate (7) and roof (8), its characterized in that, two servo motor (3) of top outer wall fixedly connected with of bottom plate (7), and the output shaft orientation of two servo motor (3) is opposite, the first drive gear (4) of the equal fixedly connected with of output shaft of servo motor (3), be provided with between bottom plate (7) and roof (8) drive wheel mounting panel (9), the one end outer wall of drive wheel mounting panel (9) is opened there is the through-hole, and the inner wall of through-hole rotates and is provided with the axis of rotation, the one end outer wall fixedly connected with of axis of rotation deceleration wheel (1), and the other end fixedly connected with second drive gear (13) of axis of rotation, first drive gear (4) mesh with second drive gear (13) mutually.

2. AGV differential drive module with suspension according to claim 1, characterised in that the servo motor (3) is a low voltage DC servo motor.

3. A AGV differential drive module with suspension according to claim 1, characterized in that the bottom outer wall four corners of the top plate (8) are fixedly provided with shock absorbers (2), the bottom of each shock absorber (2) is fixedly provided with a mounting housing, and the outer walls of one end of two mounting housings at the same end are fixedly connected with the outer wall of one end of the driving wheel mounting plate (9).

4. A AGV differential drive module with suspension according to claim 1 characterized in that the top outer wall of the roof (8) is provided with a mounting groove and the inner wall of the mounting groove is fixedly connected with a mounting ring and the circumference outer wall of the mounting ring is fixedly connected with a bearing, the circumference outer wall of the bearing is fixedly connected with a rotation support disc (10) and the circumference outer wall of the rotation support disc (10) is provided with a tooth socket.

5. A AGV differential drive module with suspension according to claim 4 characterised in that the top outer wall of the roof (8) is rotatably connected with a first transition gear (11), the top of the roof (8) is rotatably provided with a rotating shaft, and the top of the circumference outer wall of the rotating shaft is fixedly connected with a second transition gear (12), the first transition gear (11) is meshed with the tooth socket of the rotation support disk (10), the second transition gear (12) is meshed with the first transition gear (11), and the bottom outer wall of the rotating shaft is fixedly provided with an encoder (5).

6. A differential drive module for AGV with suspension according to claim 5, characterized by the fact that the top outer wall of the roof (8) is provided with a potentiometer (6) in rotation and the peripheral outer wall of the potentiometer (6) is fixedly connected with a connecting gear, said connecting gear being engaged with a second transition gear (12).