CN214845652U

CN214845652U - Worm gear speed reducer assembly stationarity detection device

Info

Publication number: CN214845652U
Application number: CN202120561494.6U
Authority: CN
Inventors: 杨立军; 乔振方; 曹月娥
Original assignee: Shandong Feiyue Electronics Technology Co ltd
Current assignee: Shandong Feiyue Electronics Technology Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-11-23
Anticipated expiration: 2031-03-19

Abstract

The utility model provides a worm gear speed reducer machine assembly stationarity detection device, servo motor's servo motor wiring end is owing to even being based on hall sensor, consequently hall sensor detects servo motor's electric current, servo motor operates steadily, the electric current is no longer than the setting value then the triode switches on, LED is often bright, the worm gear speed reducer machine is normal this moment on the surface, if the worm gear speed reducer machine has processing deviation and assembly deviation to lead to the operation not steady, then servo motor drive worm gear speed reducer machine's frictional force can the grow, the electric current exceeds the setting value this moment, the triode does not switch on, LED extinguishes this moment, explain worm gear speed reducer machine problem exists, need overhaul. The detection efficiency of the worm gear speed reducer is improved.

Description

Worm gear speed reducer assembly stationarity detection device

Technical Field

The utility model relates to a cloud platform technical field, concretely relates to worm gear speed reducer machine assembly stationarity detection device.

Background

In the driving of the pan-tilt, a servo motor is generally adopted to drive the pan-tilt to rotate after being decelerated by a worm gear reducer, and the worm gear transmission has the self-locking characteristic, so that the pan-tilt keeps the original state and cannot move after the servo motor rotates in place and stops rotating. However, for the worm and gear speed reducer, after the assembly is completed, the consistency of the components is affected due to the existence of the processing deviation and the assembly deviation, so that the rotation precision and the service life of the holder are affected, and the assembly performance of the worm and gear speed reducer cannot be detected by the conventional detection equipment.

Disclosure of Invention

The utility model discloses an overcome not enough of above technique, provide one kind and can be fast to the worm gear speed reducer assembly back operation steadiness carry out the device that detects.

The utility model overcomes the technical scheme that its technical problem adopted is:

the utility model provides a worm gear speed reducer machine assembly stationarity detection device, includes:

the upper end of the bottom plate is fixedly provided with a servo motor through a bolt, and an output shaft of the servo motor is provided with a synchronous belt pulley I;

the worm and gear speed reducer is arranged on the bottom plate through a pressing device, a synchronous belt pulley II is arranged on an input shaft of the worm and gear speed reducer, and the synchronous belt pulley I and the synchronous belt pulley II are in transmission connection through a synchronous belt;

the Hall sensor 11 is characterized in that an IP + pin of the Hall sensor is connected to the end 1 of a servo motor wiring end of a servo motor, an IP-pin of the Hall sensor is connected to the end 2 of the servo motor wiring end of the servo motor, a VCC pin of the Hall sensor is connected to a power supply through a capacitor I, an FLTER pin and a GND pin of the Hall sensor are grounded through a capacitor II, a VIOUT pin of the Hall sensor is connected to a base electrode of a triode, a collector electrode of the triode is connected to a negative electrode of an LED, a positive electrode of the LED is connected to the power supply, and an emitting electrode of the triode is grounded.

Furthermore, the pressing device comprises a screw rod vertically installed on the bottom plate and a pressure plate screwed on the screw rod, and the lower end face of the pressure plate is in contact with the upper end face of the worm gear speed reducer.

For quick location, still include two locating pins of vertical setting on the bottom plate, a locating pin contacts with the left side end of worm gear speed reducer machine, and another locating pin contacts with the lower extreme of worm gear speed reducer machine.

Further, the hall sensor is an ACS724 hall sensor.

In order to protect the LED, a resistor is connected between the emitter of the triode and the ground.

The utility model has the advantages that: the servo motor wiring end of servo motor is because even being based on hall sensor, therefore hall sensor detects servo motor's electric current, servo motor operates steadily, the triode switches on when the electric current is no longer than the setting value, LED is always bright, the worm gear speed reducer is normal this moment on the surface, if there is processing deviation and assembly deviation in the worm gear speed reducer and leads to the operation unstably, then servo motor drive worm gear speed reducer's frictional force can grow, the electric current exceeds the setting value this moment, the triode does not switch on, LED extinguishes this moment, it shows that worm gear speed reducer has the problem, need overhaul. The detection efficiency of the worm gear speed reducer is improved.

Drawings

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

fig. 2 is a schematic diagram of the circuit structure of the present invention;

in the figure, 1, a bottom plate 2, a servo motor 3, a synchronous belt pulley I4, a synchronous belt 5, a synchronous belt pulley II 6, a worm gear speed reducer 7, a positioning pin 8, a screw rod 9, a pressure plate 10, a servo motor terminal 11, a Hall sensor 12, a capacitor I13, a capacitor II 14, a triode 15, an LED 16 and a resistor are arranged.

Detailed Description

The present invention will be further explained with reference to fig. 1 and 2.

The utility model provides a worm gear speed reducer machine assembly stationarity detection device, includes: the upper end of the bottom plate 1 is fixedly provided with a servo motor 2 through a bolt, and an output shaft of the servo motor 2 is provided with a synchronous belt pulley I3; the worm and gear speed reducer 6 is arranged on the bottom plate 1 through a pressing device, a synchronous belt pulley II 5 is arranged on an input shaft of the worm and gear speed reducer 6, and the synchronous belt pulley I3 is in transmission connection with the synchronous belt pulley II 5 through a synchronous belt 4; the Hall sensor 11 has an IP + pin connected to the 1 end of the servo motor terminal 10 of the servo motor 2, an IP-pin connected to the 2 end of the servo motor terminal 10 of the servo motor 2, a VCC pin connected to a power supply via a capacitor I12, an FLTER pin and a GND pin connected to the ground via a capacitor II 13, a VIOUT pin connected to the base of a triode 14, the collector of the triode 14 connected to the negative electrode of the LED15, the positive electrode of the LED15 connected to the power supply, and the emitter of the triode 14 connected to the ground. When the servo motor 2 rotates, the synchronous belt wheel I3 is driven to rotate, and as the synchronous belt wheel I3 is in transmission connection with the synchronous belt wheel II 5 through the synchronous belt 4, therefore, the action of driving the worm gear reducer 6 is realized, the servo motor terminal 10 of the servo motor 2 is connected with the Hall sensor 11, therefore, the Hall sensor 11 detects the current of the servo motor 2, the servo motor 2 operates stably, the triode 14 is conducted when the current does not exceed a set value, the LED15 is normally on, the worm gear reducer 6 is normal on the surface, if the worm gear reducer 6 has processing deviation and assembly deviation to cause the unstable operation, then the friction force that servo motor 2 drove worm gear reducer 6 can grow, and the electric current exceeds the setting value this moment, and triode 14 does not switch on, and LED15 extinguishes this moment, explains that worm gear reducer 6 has the problem, needs the maintenance. The detection efficiency of the worm and gear speed reducer 6 is improved.

Further, the pressing device comprises a screw 8 vertically installed on the bottom plate 1 and a pressure plate 9 screwed on the screw 8, and the lower end face of the pressure plate 9 is in contact with the upper end face of the worm gear reducer 6. After the worm gear reducer 6 is prevented from being placed on the bottom plate 1, the pressure plate 9 is screwed until the lower end face of the pressure plate 9 is in contact with the worm gear reducer 6, and then the pressure plate is tightly pressed and fixed on the bottom plate 1.

Further, still include two locating pins 7 that set up on bottom plate 1 vertically, a locating pin 7 contacts with the left side end of worm gear speed reducer 6, and another locating pin 7 contacts with the lower extreme of worm gear speed reducer 6. Through setting up two locating pins 7 on bottom plate 1, when worm gear speed reducer 6 installation, can realize quick location after its lower extreme and left side end and the contact of locating pin 7 to the installation effectiveness has been improved.

Preferably, the hall sensor 11 is an ACS724 hall sensor.

A resistor 16 may be connected between the emitter of transistor 14 and ground. The resistor 16 serves for current limiting and its purpose is to protect the LED 15.

Claims

1. The utility model provides a worm gear speed reducer machine assembly stationarity detection device which characterized in that includes:

the upper end of the bottom plate (1) is fixedly provided with a servo motor (2) through a bolt, and an output shaft of the servo motor (2) is provided with a synchronous belt pulley I (3);

the worm and gear speed reducer (6) is mounted on the bottom plate (1) through a pressing device, a synchronous belt pulley II (5) is mounted on an input shaft of the worm and gear speed reducer (6), and the synchronous belt pulley I (3) is in transmission connection with the synchronous belt pulley II (5) through a synchronous belt (4);

the Hall sensor (11) is characterized in that an IP + pin of the Hall sensor is connected to the end 1 of a servo motor wiring end (10) of the servo motor (2), an IP-pin of the Hall sensor is connected to the end 2 of the servo motor wiring end (10) of the servo motor (2), a VCC pin of the Hall sensor is connected to a power supply through a capacitor I (12), an FLTER pin and a GND pin of the Hall sensor are grounded through a capacitor II (13), a VIOUT pin of the Hall sensor is connected to the base electrode of a triode (14), a collector electrode of the triode (14) is connected to the negative electrode of an LED (15), the positive electrode of the LED (15) is connected to the power supply, and an emitting electrode of the triode (14) is grounded.

2. The assembly stationarity detecting device of the worm gear and worm speed reducer according to claim 1, characterized in that: the pressing device comprises a screw rod (8) vertically installed on the bottom plate (1) and a pressure plate (9) screwed on the screw rod (8), and the lower end face of the pressure plate (9) is in contact with the upper end face of the worm gear speed reducer (6).

3. The assembly stationarity detecting device of the worm gear and worm speed reducer according to claim 1, characterized in that: the positioning device is characterized by further comprising two positioning pins (7) vertically arranged on the bottom plate (1), one positioning pin (7) is in contact with the left side end of the worm gear speed reducer (6), and the other positioning pin (7) is in contact with the lower end of the worm gear speed reducer (6).

4. The assembly stationarity detecting device of the worm gear and worm speed reducer according to claim 1, characterized in that: the Hall sensor (11) is an ACS724 type Hall sensor.

5. The assembly stationarity detecting device of the worm gear and worm speed reducer according to claim 1, characterized in that: a resistor (16) is connected between the emitter of the triode (14) and the ground.