CN219871499U - High-precision back clearance detector for planetary reducer - Google Patents

Abstract

The utility model relates to the technical field of back clearance detectors, in particular to a high-precision back clearance detector for a planetary reducer, which comprises a frame, wherein an upper end connecting shaft connected with an input shaft of the planetary reducer is rotatably connected to the frame, a servo motor is arranged on the frame, the output end of the servo motor is in transmission connection with the upper end connecting shaft, a ferromagnetic plate is arranged on the upper end connecting shaft, an electromagnet matched with the ferromagnetic plate is arranged on the frame, and the ferromagnetic plate is arranged opposite to the electromagnet.

Description

High-precision back clearance detector for planetary reducer

Technical Field

The utility model relates to the technical field of back clearance detectors, in particular to a high-precision back clearance detector for a planetary reducer.

Background

The backlash is referred to as the gear-to-gear backlash, and is also referred to as backlash. The lower the value of the return clearance (or back clearance) in the performance parameters of the planetary reducer, the higher the transmission precision, the more expensive the price and the higher the transmission efficiency.

The existing planetary reducer is usually sent to a detection mechanism for detection, detection equipment is precise and heavy, meanwhile, the equipment is expensive, the detection period of the detection mechanism is long, the back and forth detection period of the planetary reducer is longer, and thus the whole production period of the planetary reducer is affected.

Disclosure of Invention

The utility model aims to solve the technical problems that: in order to solve the problems that the existing planetary reducer is usually sent to a detection mechanism for detection, the detection equipment is precise and heavy, meanwhile, the equipment is expensive, the detection period of the detection mechanism is long, the back-and-forth detection period of the planetary reducer is longer, and the whole production period of the planetary reducer is affected, the high-precision back clearance detector for the planetary reducer is provided.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a high accuracy back clearance detector for planetary reducer, includes the frame, rotate in the frame and be connected with the upper end connecting axle of being connected with planetary reducer input shaft, be provided with servo motor in the frame, mutual transmission connection between servo motor's output and the upper end connecting axle, be provided with ferromagnetic board on the upper end connecting axle, be provided with the electro-magnet that uses with ferromagnetic board cooperation in the frame, ferromagnetic board sets up relatively with the electro-magnet.

According to the utility model, the input shaft of the planetary reducer is connected with one end of the upper end connecting shaft, the upper end connecting shaft is driven to rotate by the servo motor, the backlash detection of the planetary reducer is realized, meanwhile, the electromagnet is powered and attracts the ferromagnetic plate, so that the upper end connecting shaft is controlled to move downwards and stop rotating, the detection of workers is facilitated, and the operation is simple and convenient.

In order to realize that upper end connecting axle and servo motor output shaft transmission are connected, further, be provided with on the upper end connecting axle and hold tightly the axle, hold tightly the axle and seted up a plurality of clearances along its axial, the contact surface between axle and the upper end connecting axle is the inclined plane, hold tightly the axle cover and establish on servo motor's output, it is used for being close to relatively or the control mechanism who keeps away from both to be provided with between axle and the upper end connecting axle to make to hold tightly the axle to holding tightly or take off to servo motor output shaft, realize that servo motor's output shaft will power transmission to upper end connecting axle. The control mechanism drives the holding shaft to be close to or far away from the upper end connecting shaft, so that the holding shaft holds or releases the output shaft of the servo motor.

In order to realize the control mechanism, further, the control mechanism comprises an adjusting screw, a through hole matched with the adjusting screw is formed in the upper end connecting shaft, and one end of the adjusting screw penetrates through the through hole and is in threaded connection with the holding shaft.

Further, a positioning groove matched with the planetary reducer is formed in the frame, and a fixing screw used for fixing the planetary reducer is connected to the frame in a threaded mode.

The beneficial effects of the utility model are as follows: when the high-precision back clearance detector for the planetary reducer is used, the input shaft of the planetary reducer is connected with one end of the upper end connecting shaft, the upper end connecting shaft is driven to rotate through the servo motor, back clearance detection of the planetary reducer is realized, meanwhile, the electromagnet is electrified and attracts the ferromagnetic plate, so that the upper end connecting shaft is controlled to move downwards and stop rotating, detection by workers is facilitated, the operation is simple and convenient, the conventional planetary reducer is prevented from being usually sent to a detection mechanism for detection, the detection equipment is precise and heavy, meanwhile, the equipment price is high, the detection period of the detection mechanism is long, the back and forth detection period of the planetary reducer is longer, and the integral production period of the planetary reducer is influenced.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a front view of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is a schematic view of the internal structure of the present utility model;

fig. 4 is a view of the present utility model in use.

In the figure: 1. the device comprises a frame, a planetary reducer, a connecting shaft at the upper end, a ferromagnetic plate, an electromagnet, a holding shaft, a positioning groove, a fixing screw, a servo motor and a servo motor, wherein the frame, the planetary reducer, the ferromagnetic plate, the electromagnet, the holding shaft, the positioning groove, the fixing screw and the servo motor are arranged on the frame, the planetary reducer, the upper end connecting shaft, the ferromagnetic plate, the electromagnet and the holding shaft are arranged on the frame, the holding shaft, the positioning groove and the servo motor are arranged on the frame, the planetary reducer, the ferromagnetic plate, the upper end connecting shaft, the ferromagnetic plate, the.

Detailed Description

The utility model is further described in detail below in connection with the examples:

the present utility model is not limited to the following embodiments, and those skilled in the art can implement the present utility model in various other embodiments according to the present utility model, or simply change or modify the design structure and thought of the present utility model, which fall within the protection scope of the present utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

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

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

As shown in fig. 1-4, a high-precision back clearance detector for a planetary reducer comprises a frame 1, wherein an upper end connecting shaft 3 connected with an input shaft of the planetary reducer 2 is rotationally connected to the frame 1, a servo motor 9 is arranged on the frame 1, an output end of the servo motor 9 is in transmission connection with the upper end connecting shaft 3, a ferromagnetic plate 4 is arranged on the upper end connecting shaft 3, an electromagnet 5 matched with the ferromagnetic plate 4 is arranged on the frame 1, and the ferromagnetic plate 4 and the electromagnet 5 are oppositely arranged.

The upper end connecting shaft 3 is provided with a holding shaft 6, the holding shaft 6 is provided with a plurality of gaps along the axial direction of the holding shaft 6, the contact surface between the holding shaft 6 and the upper end connecting shaft 3 is an inclined surface, the holding shaft 6 is sleeved on the output end of the servo motor 9, a control mechanism for relatively approaching or keeping away from the holding shaft 6 and the upper end connecting shaft 3 is arranged between the holding shaft 6 and the upper end connecting shaft 3, the holding shaft 6 is used for holding or loosening the output shaft of the servo motor 9, and the output shaft of the servo motor 9 transmits power to the upper end connecting shaft 3.

The control mechanism comprises an adjusting screw, a through hole matched with the adjusting screw is formed in the upper end connecting shaft 3, and one end of the adjusting screw penetrates through the through hole and is in threaded connection with the holding shaft 6.

The machine frame 1 is provided with a positioning groove 7 matched with the planetary reducer 2, and the machine frame 1 is in threaded connection with a fixing screw 8 for fixing the planetary reducer 2.

When the high-precision back clearance detector for the planetary reducer is used, one end of the planetary reducer 2 is placed in the positioning groove 7 on the frame 1, and the planetary reducer 2 is fixed by penetrating through the hole on the planetary reducer 2 through the fixing screw 8 and being connected to the frame 1 in a threaded manner;

during detection, the servo motor 9 is started to drive the holding shaft 6 and the upper connecting shaft 3 to rotate together, and the size of the backlash decibel of the planetary reducer 2 is detected through the decibel meter, so that the backlash of the planetary reducer 2 is judged, after detection is finished, the electromagnet 5 is electrified and adsorbs the ferromagnetic plate 4, the upper connecting shaft 3 is stopped, and the planetary reducer 2 stops running.

The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the worker in question without departing from the technical spirit of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims (4)

1. A high-precision back clearance detector for a planetary reducer is characterized in that: the electromagnetic type planetary reducer comprises a frame, an upper end connecting shaft connected with an input shaft of the planetary reducer is rotationally connected to the frame, a servo motor is arranged on the frame, an output end of the servo motor is connected with the upper end connecting shaft in a transmission mode, a ferromagnetic plate is arranged on the upper end connecting shaft, an electromagnet matched with the ferromagnetic plate is arranged on the frame, and the ferromagnetic plate is arranged opposite to the electromagnet.

2. The high-precision backlash detector for a planetary reducer according to claim 1, wherein: the upper end connecting shaft is provided with a holding shaft, the holding shaft is provided with a plurality of gaps along the axial direction of the holding shaft, the contact surface between the holding shaft and the upper end connecting shaft is an inclined surface, the holding shaft is sleeved on the output end of the servo motor, a control mechanism for relatively approaching or separating the holding shaft from the upper end connecting shaft is arranged between the holding shaft and the upper end connecting shaft, the holding shaft is used for holding or loosening the output shaft of the servo motor, and the output shaft of the servo motor transmits power to the upper end connecting shaft.

3. The high-precision backlash detector for a planetary reducer according to claim 2, wherein: the control mechanism comprises an adjusting screw, a through hole matched with the adjusting screw is formed in the upper end connecting shaft, and one end of the adjusting screw penetrates through the through hole and is in threaded connection with the holding shaft.

4. The high-precision backlash detector for a planetary reducer according to claim 1, wherein: the positioning groove matched with the planetary reducer is formed in the frame, and the fixing screw used for fixing the planetary reducer is connected to the frame in a threaded mode.