CN218021816U

CN218021816U - Mechanism for measuring rotating angle of AGV (automatic guided vehicle) walking device

Info

Publication number: CN218021816U
Application number: CN202222306850.7U
Authority: CN
Inventors: 巩又铭; 郑锋; 巩懿乐; 吴保坚; 施新林
Original assignee: Dongguan Ribo Mechanical And Electrical Technology Co ltd
Current assignee: Dongguan Ribo Mechanical And Electrical Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-13
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses a measure AGV running gear turned angle mechanism, it includes driving gear, driven gear, driving pulley, driven pulley, hold-in range, potentiometre and mount, and driven gear meshes with the driving gear mutually, and driving pulley is fixed with the driven gear concentric circles, and driven pulley sets up in the pivot of potentiometre, and is connected with driving pulley through the hold-in range. The driving gear is installed on the running gear of AGV automobile body, and the driving gear can rotate and rotate along with running gear rotates. The driving gear drives the driven gear and the driving belt wheel to rotate simultaneously, the driving belt wheel drives the driven belt wheel to rotate synchronously through the synchronous belt, the potentiometer is driven to rotate by the driven belt wheel, the angle value of the driving gear is calculated through the resistance change of the potentiometer, and then the steering angle can be better controlled, so that the AGV car body can walk and steer more accurately and stably, the whole structure is simple, the size is small, the occupied space is small, and the AGV car body is beneficial to wide popularization and application.

Description

Mechanism for measuring rotating angle of AGV traveling device

Technical Field

The utility model relates to a AGV dolly technical field, concretely relates to use measurement AGV running gear turned angle mechanism on AGV dolly.

Background

The conventional AGV (automated guided vehicle, also called as AGV for short) is a transportation vehicle equipped with an electromagnetic or optical automatic guiding device, which can travel along a predetermined guiding path and has safety protection and various transfer functions. Generally, the traveling route and behavior can be controlled by a computer, or the traveling route is established by an electromagnetic track (electromagnetic track-following system), the electromagnetic track is adhered to the floor, and the unmanned transport vehicle moves and operates according to the information brought by the electromagnetic track.

The utility model discloses a utility model patent of publication number "CN109204454A", the name "all-round traveling system of double round drive" discloses a all-round traveling system of double round drive, and in the process of AGV car doing the steering movement, the lower section of thick bamboo rotates along with the wheel carrier, produces the steering motion for the upper section of thick bamboo. The encoder magnetic steel rotates relative to the encoder stator, and therefore the rotation angle of the driving wheel around the suspension buffer system is measured. Although the purpose of measuring the rotation angle can be achieved, the encoder magnetic steel rotates relative to the encoder stator along with the rotation, and the encoder magnetic steel does lifting motion in the vertical direction, so that the shaft sleeve is large in abrasion loss, high in use cost and inconvenient to overhaul and maintain.

SUMMERY OF THE UTILITY MODEL

Not enough to the foregoing, the utility model aims to provide a structural design is reasonable, can measure AGV running gear turned angle, easy to maintain's measurement AGV running gear turned angle mechanism.

In order to achieve the above purpose, the utility model provides a technical scheme is: the utility model provides a measure AGV running gear turned angle mechanism, it includes driving gear, driven gear, driving pulley, driven pulley, hold-in range, potentiometre and mount, the driving gear sets up on the running gear of AGV automobile body, driven gear sets up through the round pin axle on the AGV automobile body, and with the driving gear meshes mutually, driving pulley with driven gear is fixed with the centre of a circle, the potentiometre passes through the mount setting and is in on the AGV automobile body, driven pulley sets up in the pivot of potentiometre, and passes through the hold-in range with driving pulley is connected, realizes that it is rotatory to drive the potentiometre, and the resistance variation through the potentiometre calculates the angle value of driving gear according to mathematical model.

As a preferred scheme of the utility model, the hold-in range is located the top position of driving gear effectively shortens whole length, saves occupation space.

As a preferred scheme of the utility model, correspond on the AGV automobile body the peripheral position of driving gear is equipped with the mounting disc, and the central point of this mounting disc puts and is equipped with and lets the exerted circular opening of driving gear, the round pin axle sets up perpendicularly on one side of mounting disc, the other end of mounting disc is equipped with and avoids the arc wall of potentiometre, structural design is reasonable.

As a preferred scheme of the utility model, the last sleeve that is equipped with of driven gear, the driving pulley cover is established on the sleeve, driven gear passes through the bearing setting and is in sell epaxial for it is more smooth and easy to rotate, long service life, easily assembly.

As a preferred scheme of the utility model, the one end of mount is equipped with rectangular mounting hole, and the other end is equipped with circular mounting hole, easily installs.

The utility model has the advantages that: the utility model has the advantages of reasonable design, the driving gear is installed on the running gear of AGV automobile body, and the driving gear can rotate along with running gear rotates and rotate. The driving gear drives the driven gear and the driving belt wheel to rotate simultaneously, the driving belt wheel drives the driven belt wheel to rotate synchronously through the synchronous belt, the driven belt wheel drives the potentiometer to rotate, the angle value of the driving gear is calculated through the resistance change of the potentiometer, and then the steering angle can be better controlled, so that the AGV body can walk and steer more accurately and stably, the whole structure is simple, the size is small, the occupied space is small, and the AGV body is beneficial to wide popularization and application.

The present invention will be further explained with reference to the drawings and the embodiments.

Drawings

Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.

Fig. 2 is an exploded schematic view 1 of embodiment 1 of the present invention.

Fig. 3 is a schematic perspective view of embodiment 2 of the present invention.

Fig. 4 is a schematic structural diagram of an AGV body to which embodiment 2 of the present invention is applied.

Detailed Description

Embodiment 1, referring to fig. 1 and 2, the mechanism for measuring the rotation angle of an AGV running gear provided in this embodiment includes a driving gear 1, a driven gear 2, a driving pulley 3, a driven pulley 4, a synchronous belt 5, a potentiometer 6, and a fixing frame 7.

Driving gear 1 sets up on the running gear of AGV automobile body 9, driven gear 2 corresponds driving gear 1's right side position sets up through round pin axle 8 on the AGV automobile body 9, and with driving gear 1 meshes mutually, driving gear 1 with driven gear 2 is at same level.

The driving pulley 3 and the driven gear 2 are concentric and fixed, specifically, a sleeve 21 is arranged on the driven gear 2, the driving pulley 3 is sleeved on the sleeve 21, and the driven gear 2 is arranged on the pin shaft 8 through a bearing 22.

Potentiometer 6 corresponds driven gear 2's right side position passes through mount 7 and sets up on the AGV automobile body 9, and is specific, mount 7's one end is equipped with rectangular mounting hole, and the other end is equipped with circular mounting hole, circular mounting hole is passed to the installation cover of potentiometer 6 to lock through the nut. And a rotating shaft of the potentiometer 6 extends out of the circular mounting hole. The driven pulley 4 is arranged on a rotating shaft of the potentiometer 6, and the driven pulley 4 and the driving pulley 3 are at the same horizontal height and are connected through the synchronous belt 5.

Embodiment 2, referring to fig. 3, the present embodiment provides a mechanism for measuring the rotation angle of an AGV running gear, which is substantially the same as the structure of embodiment 1 except that the driven gear 2 is located at the left side of the driving gear 1. The potentiometer 6 is located at a right position of the driven gear 2. The synchronous belt 5 winds through the driving pulley 3 and the driven pulley 4, and the synchronous belt 5 stretches over from the position above the driving gear 1, so that the whole length is effectively shortened, and the occupied space is saved.

Referring to fig. 4, the drive gear 1 is mounted on a traveling device 91 of the AGV body 9, and the drive gear 1 can rotate as the traveling device 91 rotates. Correspond on the AGV automobile body 9 the peripheral position of driving gear 1 is equipped with mounting disc 92, and the central point of this mounting disc 92 puts and is equipped with and lets driving gear 1 exerted circular opening, round pin axle 8 sets up perpendicularly on one side of mounting disc 92, the other end of mounting disc 92 is equipped with and avoids the arc wall 93 of potentiometre 6, and then reduces whole height, does benefit to the miniaturization of volume. The during operation, driving gear 1 can rotate along with running gear 91 to drive driven gear 2 and driving pulley 3 rotate simultaneously, and driving pulley 3 passes through 5 drive driven pulley 4 synchronous rotations in hold-in range, and it is rotatory to drive potentiometre 6 by driven pulley 4, and resistance variation through potentiometre 6 calculates driving gear 1's angle value, and then control that can be better turns to the angle, makes AGV automobile body 9 walk and turn to more accurate and steady.

Variations and modifications to the above-described embodiments may occur to those skilled in the art based upon the disclosure and teachings of the above specification. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used herein, they are used for convenience of description and are not intended to limit the present invention in any way, and mechanisms of other structures that are the same or similar to the present invention are within the scope of the present invention.

Claims

1. The utility model provides a measure AGV running gear turned angle mechanism, its characterized in that, it includes driving gear, driven gear, driving pulley, driven pulley, hold-in range, potentiometre and mount, the driving gear sets up on the running gear of AGV automobile body, driven gear sets up through the round pin axle on the AGV automobile body, and with the driving gear meshes mutually, driving pulley with driven gear is fixed with the centre of a circle, the potentiometre passes through the mount setting on the AGV automobile body, driven pulley sets up in the pivot of potentiometre, and passes through the hold-in range with driving pulley is connected.

2. The mechanism of claim 1 for measuring the angle of rotation of the AGV running gear of: the synchronous belt is located above the driving gear.

3. The mechanism of claim 1 for measuring the angle of rotation of the AGV running gear of: correspond on the AGV automobile body the peripheral position of driving gear is equipped with the mounting disc, and the central point of this mounting disc puts and is equipped with the messenger the exerted circular opening of driving gear, the round pin axle sets up perpendicularly on one side of mounting disc, the other end of mounting disc is equipped with avoids the arc wall of potentiometre.

4. The mechanism of claim 1 for measuring the angle of rotation of the AGV running gear of: the driven gear is provided with a sleeve, and the driving belt wheel is sleeved on the sleeve.

5. The mechanism of claim 4 for measuring the angle of rotation of the AGV running gear of: the driven gear is arranged on the pin shaft through a bearing.

6. The mechanism for measuring the angle of rotation of an AGV running gear of any one of claims 1 to 5 wherein: one end of the fixing frame is provided with a strip-shaped mounting hole, and the other end of the fixing frame is provided with a circular mounting hole.