CN216548151U

CN216548151U - High-low speed travelling car positioner

Info

Publication number: CN216548151U
Application number: CN202122465579.7U
Authority: CN
Inventors: 王凯群; 孙云平; 林栋�; 耿福翚
Original assignee: Qingdao Zhonghaide Automation Equipment Co ltd
Current assignee: Qingdao Zhonghaide Automation Equipment Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-05-17
Anticipated expiration: 2031-10-13

Abstract

The utility model is suitable for the technical field of control equipment, and provides a positioning device for a high-speed and low-speed moving trolley; the method comprises the following steps: the trolley comprises a trolley base, a speed reducing motor, a wheel shaft and an encoder, wherein the speed reducing motor, the wheel shaft and the encoder are arranged on the trolley base; the encoder is connected with the wheel shaft through a flexible transmission device; the encoder is used for monitoring the rotation of the wheel shaft and converting the rotation into an electric signal to judge the walking distance of the trolley. The utility model has the advantages of convenient high-speed and low-speed switching and adjustment, accurate positioning and convenient installation.

Description

High-low speed travelling car positioner

Technical Field

The utility model relates to the technical field of control equipment, in particular to a positioning device for a high-speed and low-speed moving trolley.

Background

In the production field of various industries, a movable trolley is a common material conveying device, and most of the common transportation trolley positioning modes in the prior industry are positioning modes such as a proximity switch and a traveling switch, which are difficult to achieve accurate positioning. Therefore, the device for positioning the high-speed and low-speed travelling of the trolley is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a positioning device for a high-low speed moving trolley, which is used for stopping the metering transportation trolley at a reduced speed when the metering transportation trolley can walk at a high speed and approaches a target position so as to achieve accurate positioning.

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

a high and low speed dolly positioning device comprises: the trolley comprises a trolley base, a speed reducing motor, a wheel shaft and an encoder, wherein the speed reducing motor, the wheel shaft and the encoder are arranged on the trolley base; the encoder is connected with the wheel shaft through a flexible transmission device; the encoder is used for monitoring the rotation of the wheel shaft and converting the rotation into an electric signal to judge the walking distance of the trolley.

As a further scheme of the utility model: the speed reducing motor is in transmission connection with the wheel shaft and provides power for the rotation of the wheel shaft.

As a still further scheme of the utility model: the speed reducing motor is in transmission connection with the wheel shaft through any one of a chain, a belt or a gear.

As a still further scheme of the utility model: the speed reducing motor is connected with the frequency conversion device.

As a still further scheme of the utility model: the encoder is fixedly arranged on the trolley base through a mounting seat.

As a still further scheme of the utility model: the flexible transmission device comprises an elastic flexible shaft, and two ends of the elastic flexible shaft are respectively and fixedly installed at the input ends of the wheel shaft and the encoder.

Compared with the prior art, the utility model has the beneficial effects that: the speed reduction motor is connected with the wheel shaft and controls the wheel shaft to rotate to drive the trolley to walk and stop. The speed reducing motor is controlled by a frequency converter to achieve high-low speed operation. The encoder is connected with the wheel shaft through a flexible transmission device, the rotation and the frequency conversion control of the driving wheel shaft are monitored through the encoder, and the high-speed and low-speed switching and positioning of the trolley are controlled. The utility model discloses a high low-speed switching is adjusted conveniently, and the location is accurate, simple to operate.

Drawings

Fig. 1 is a schematic structural diagram of a positioning device of a high-low speed moving trolley.

In the figure: a speed reducing motor-1, a wheel shaft-2, a coder-3, a mounting seat-4, a gear-5, a chain-6 and a flexible transmission device-7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, in embodiment 1 of the present invention, a structure diagram of a positioning device for a high-speed and low-speed moving cart provided in the embodiment of the present invention includes: the trolley comprises a trolley base, a speed reducing motor 1, a wheel shaft 2 and an encoder 3, wherein the speed reducing motor 1, the wheel shaft 2 and the encoder 3 are arranged on the trolley base, and the encoder 3 is used for controlling the speed reducing motor 1; the encoder 3 is connected with the wheel shaft 2 through a flexible transmission device 7; the encoder 3 is used for monitoring the rotation of the wheel shaft 2 and converting the rotation into an electric signal to judge the walking distance of the trolley.

As a preferred embodiment of the utility model, the speed reducing motor 1 is in transmission connection with the wheel shaft 2, and the speed reducing motor 1 provides power for the rotation of the wheel shaft 2. The speed reducing motor 1 and the wheel shaft 2 can be in transmission through a chain, a belt or a gear, specifically, the output end of the speed reducing motor 1 is in transmission connection with a gear 5 arranged on the wheel shaft 2 through a chain 6, and the gear 5 is fixedly sleeved on the wheel shaft 2.

As a preferred embodiment of the present invention, the geared motor 1 is connected to a frequency conversion device, and the frequency conversion device is used for controlling the geared motor 1 to rotate.

The speed reducing motor 1 is connected with the wheel shaft 2 and controls the wheel shaft 2 to rotate to drive the trolley to walk and stop. The speed reducing motor 1 is controlled by a frequency converter to achieve high and low speed operation. The encoder 3 is connected with the wheel shaft 2 through a flexible transmission device 7, the rotation and frequency conversion control of the driving wheel shaft are monitored through the encoder 3, and the high-speed and low-speed switching and positioning of the trolley are controlled. The utility model discloses a high-low speed switches to adjust conveniently, and the location is accurate, simple to operate.

Example 2

Referring to fig. 1, the main difference between the present embodiment 2 and the present embodiment 1 is that the gear 5 is provided with a roller for supporting the cart.

In a preferred embodiment of the present invention, the encoder 3 is fixedly mounted on the base of the trolley through a mounting seat 4. The flexible transmission device 7 comprises an elastic flexible shaft, two ends of the elastic flexible shaft are respectively and fixedly installed at the input ends of the wheel shaft 2 and the encoder 3, and the flexible transmission device 7 can be connected to the wheel shaft 2 and the encoder 3 through bolts. So arranged, the rotating speed of the wheel shaft 2 is accurately transmitted to the encoder 3. The flexible transmission 7 is a shaft which has low rigidity and elasticity and can be freely bent for transmission.

As a preferred embodiment of the present invention, the mounting seat 4 may be fixedly mounted on the base of the trolley by bolts.

The working principle of the utility model is as follows:

the wheel shaft 2 is connected with the encoder 3 through the flexible transmission device 7, the encoder 3 is converted into an electric signal through monitoring the rotation of the wheel shaft 2, so that the walking distance of the trolley is judged, when the trolley walks to a set position, the encoder 3 sends an in-place signal to a program, and the program controls the speed reducing motor 1 through a frequency converter to reduce the frequency and reduce the speed until the trolley stops running.

The speed reducing motor 1 can be fixedly installed on the speed reducing motor 1 through bolts.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, in the description of the present invention, "a plurality" means two or more unless otherwise specified. A feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a high low-speed travelling car positioner which characterized in that includes: the trolley comprises a trolley base, a speed reducing motor, a wheel shaft and an encoder, wherein the speed reducing motor, the wheel shaft and the encoder are arranged on the trolley base; the encoder is connected with the wheel shaft through a flexible transmission device; the encoder is used for monitoring the rotation of the wheel shaft and converting the rotation into an electric signal to judge the walking distance of the trolley.

2. The positioning device for the high-low speed moving trolley according to claim 1, wherein the speed reduction motor is in transmission connection with the wheel shaft, and the speed reduction motor provides power for the rotation of the wheel shaft.

3. The positioning device for the high-low speed moving trolley according to claim 2, wherein the speed reduction motor is in transmission connection with the wheel shaft through any one of a chain, a belt or a gear.

4. The positioning device for the high-low speed moving trolley according to claim 1, wherein the speed reducing motor is connected with a frequency conversion device.

5. The positioning device for the high and low speed moving trolley according to any one of claims 1 to 4, wherein the encoder is fixedly installed on the trolley base through a mounting seat.

6. The positioning device for high and low speed traveling car according to claim 5, wherein the flexible transmission device comprises an elastic flexible shaft, and both ends of the elastic flexible shaft are respectively and fixedly installed on the wheel axle and the input end of the encoder.