CN210834961U

CN210834961U - Detection device of contact type rotating speed sensor

Info

Publication number: CN210834961U
Application number: CN201922476677.3U
Authority: CN
Inventors: 贺陆强; 张小松; 李绪
Original assignee: Xinxiang Aolian Electrical Equipment Co ltd
Current assignee: Xinxiang Aolian Electrical Equipment Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-06-23
Anticipated expiration: 2029-12-31

Abstract

A detection device of a contact type rotating speed sensor comprises a supporting table, supporting legs are fixed at four corners of the bottom end of the supporting table, a sliding rail is fixed at the top end of the supporting table, sliding blocks are connected to the sliding rail in a sliding mode respectively, a supporting plate is fixed at the top end of each sliding block, two ends of each supporting plate are fixedly connected with the top ends of the two sliding blocks, a clamp used for fixing the contact type rotating speed sensor to be detected is arranged at the top end of each supporting plate, each clamp comprises a lower clamping seat, the lower clamping seats are fixed at the top ends of the supporting plates, upper clamping seats corresponding to the lower clamping seats are hinged to; the top of brace table is fixed with motor support, and motor support's top is fixed with inverter motor, and inverter motor's power output shaft's tip is fixed with the detachable shaft coupling, and the pilot hole that corresponds with waiting to detect contact speed sensor joint is seted up to the outer end of shaft coupling. The utility model discloses simple structure, machinery replaces artifically, has increased work efficiency, has improved production quality.

Description

Detection device of contact type rotating speed sensor

Technical Field

The utility model belongs to the technical field of contact speed sensor detects frock design, especially, relate to a contact speed sensor's detection device.

Background

The contact type rotation speed sensor is one sensor capable of converting the rotation speed of rotating body into electric signal for output. The contact type rotation speed sensor belongs to an indirect measuring device and can be manufactured by mechanical, electrical, magnetic, optical and hybrid methods. The contact type revolution speed sensor can be divided into an analog type and a digital type according to different signal forms, wherein the value of an output signal of the contact type revolution speed sensor is a linear function of revolution speed, the frequency of the output signal of the contact type revolution speed sensor is in direct proportion to the revolution speed, or the interval of the peak value of the signal of the contact type revolution speed sensor is in direct proportion to the revolution speed. The contact type rotating speed sensor mainly comprises the following components according to the working principle: hall type contact tachometric sensor, photoelectric type contact tachometric sensor and capacitanc contact tachometric sensor etc.. The Hall type contact type rotating speed sensor is based on the electromagnetic induction principle, converts the rotating speed of a rotating shaft into corresponding induced electromotive force, and determines the rotating speed by detecting the change of the induced electromotive force. The photoelectric contact type rotating speed sensor emits infrared light to an object to be measured in rotating speed, converts the rotating speed of the object to be measured into a square wave pulse signal with frequency after reflection or transmission, and obtains the rotating speed of the object to be measured through the square wave pulse signal. The capacitance contact type rotation speed sensor is composed of a rotating plate and two fixed plates, when the capacitance contact type rotation speed sensor works, a rotation speed object to be detected drives the rotating plate to rotate, the change of capacitance between the fixed plates and the movable plates is influenced, the rotation speed can be detected by detecting the change of the capacitance, and the rotating plate of the rotation speed sensor to be detected is a joint of the sensor.

Wherein capacitanc sensor can divide into contact speed sensor again, need detect its quality during production, mainly hold the contact speed sensor who awaits measuring through artifical hand when present contact speed sensor detects and examine, and the speed sensor who awaits measuring connects and the epaxial shaft coupling of motor rotation cooperatees, and artifical manual detection efficiency is low, and the cost of labor is great, and production quality can not guarantee.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the weak point among the prior art, provide a contact speed sensor's detection device, for the contact speed sensor who awaits measuring provides test fixture, made things convenient for contact speed sensor's detection more, machinery has replaced the manual work, has improved the quality of work efficiency and production.

The utility model discloses a solve through the inconvenient problem of artifical manual test contact speed sensor, the technical scheme who takes is, provides a contact speed sensor's detection device, including the brace table that is the rectangle, brace table's bottom four corners department is fixed with the supporting leg of vertical setting, and the supporting leg plays fixed bearing's effect to the brace table. The top of the supporting table is fixed with two parallel slide rails arranged at intervals, the slide rails are respectively connected with slide blocks in a sliding manner, two ends of each slide rail are respectively fixed with a limiting block used for blocking the slide block, and the limiting blocks can prevent the slide block from moving out of the slide rails. The top of slider is fixed with the backup pad, the both ends of backup pad respectively with the top fixed connection of two sliders, the top of backup pad is equipped with the anchor clamps that are used for fixing the contact speed sensor that awaits measuring, anchor clamps include lower cassette, and lower cassette is fixed on the top of backup pad, and the upper end of lower cassette is equipped with the cassette, is fixed with the hinge on the lateral wall of lower cassette and last cassette, goes up the cassette and passes through the hinge with lower cassette and articulate. Go up the top of cassette and be fixed with the handle that is used for the cassette in the upset, the cassette is gone up in the handle convenience upset. The upper clamping seat and the lower clamping seat are provided with clamping grooves for placing contact type rotating speed sensors to be tested, and the contact type rotating speed sensors to be tested are placed in the clamping grooves when the contact type rotating speed sensors are tested. The top of brace table is fixed with motor support, and motor support's top is fixed with inverter motor, and inverter motor's power output shaft's tip is fixed with the detachable shaft coupling, and the pilot hole that corresponds with waiting to detect contact speed sensor joint is seted up to the outer end of shaft coupling.

Preferably, an L-shaped pushing handle for pushing the support plate is fixed on the side wall of the support plate.

Preferably, a motor box is fixed on the support table, and the variable frequency motor and the motor bracket are both arranged in the motor box; the side wall of the motor box is provided with a through hole, the diameter of the through hole is larger than that of the coupler, and the coupler extends out of the motor box through the through hole.

Preferably, the detection device of the contact type rotating speed sensor further comprises a controller and an oscilloscope, and the variable frequency motor is connected to the controller through a lead; the contact type rotating speed sensor to be measured is connected to the oscilloscope through a lead.

Adopt above-mentioned technical scheme, the utility model has the advantages of it is following:

the arrangement of the upper clamping seat and the lower clamping seat can place the rotating speed contact type rotating speed sensor to be detected in the clamping groove, namely, a clamp is provided for the contact type rotating speed sensor to be detected; the arrangement of the slide rail and the slide block can move the upper clamping seat and the lower clamping seat to proper positions when the sensor to be detected is replaced, so that the operation is convenient; the upper clamping seat is hinged with the lower clamping seat through a hinge, so that the upper clamping seat can be conveniently opened when the rotating speed contact type rotating speed sensor is replaced; the arrangement of the motor box avoids the pollution of dust to the motor and effectively reduces the noise of the motor.

Drawings

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

fig. 2 is a schematic view of the front view structure of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a schematic side view of the present invention;

fig. 5 is a schematic structural view of the upper clamping seat of the present invention;

FIG. 6 is a schematic structural diagram of a contact type rotation speed sensor;

fig. 7 is a cross-sectional view of the coupling.

Reference numerals: 1. a support table; 2. a slide rail; 3. a clamp; 4. a contact type rotational speed sensor; 5. a variable frequency motor; 11. supporting legs; 21. a slider; 22. a limiting block; 23. a support plate; 24. a pushing handle; 31. a lower clamping seat; 32. an upper clamping seat; 33. a hinge; 34. a handle; 35. a card slot; 51. a motor bracket; 52. a coupling; 53. a motor case; 521. and (7) assembling holes.

Detailed Description

As shown in figures 1-7, a detection device of a contact type rotation speed sensor comprises a rectangular support table 1, wherein vertically arranged support legs 11 are fixed at four corners of the bottom end of the support table 1, and the support legs 11 play a role of fixed support for the support table 1. The top of supporting bench 1 is fixed with two parallel slide rails 2 that set up at an interval, and sliding connection has slider 21 respectively on slide rail 2, and the both ends of slide rail 2 are fixed with respectively and are used for blockking the stopper 22 of slider 21, and stopper 22 can avoid slider 21 to shift out slide rail 2. A supporting plate 23 is fixed at the top end of the sliding block 21, and an L-shaped pushing handle 24 for pushing the supporting plate 23 is fixed on the side wall of the supporting plate 23. Two ends of the supporting plate 23 are respectively fixedly connected with the top ends of the two sliding blocks 21. The top of backup pad 23 is equipped with the anchor clamps 3 that are used for fixing the contact tacho sensor that awaits measuring, anchor clamps 3 are including lower cassette 31, and lower cassette 31 is fixed on the top of backup pad 23, and the upper end of lower cassette 31 is equipped with cassette 32, is fixed with hinge 33 on the lateral wall of lower cassette 31 and last cassette 32, and it is articulated through hinge 33 with lower cassette 31 to go up cassette 32. A handle 34 for turning over the upper clamping seat is fixed at the top end of the upper clamping seat 32, and the handle 34 is convenient for turning over the upper clamping seat 32. The upper clamping seat 32 and the lower clamping seat 31 are provided with clamping grooves 35 for placing the contact type rotating speed sensors 4 to be tested, and when the contact type rotating speed sensors 4 are tested, the contact type rotating speed sensors 4 to be tested are placed in the clamping grooves 35. The top of supporting bench 1 is fixed with motor support 51, and motor support 51's top is fixed with inverter motor 5, and inverter motor 5's power output shaft's tip is fixed with detachable shaft coupling 52, and the pilot hole 521 that corresponds with the joint of waiting to detect contact speed sensor 4 is seted up to the outer end of shaft coupling 52, and pilot hole 521 cooperates with contact speed sensor 4's joint. The top of supporting bench 1 is fixed with motor case 53, inverter motor 5 and motor support 51 all set up in motor case 53. The side wall of the motor box 53 is provided with a through hole, the diameter of the through hole is larger than that of the coupler 52, the coupler 52 extends out of the motor box 53 through the through hole, and the coupler 52 can rotate freely. The detection device of the contact type rotating speed sensor also comprises a controller and an oscilloscope, wherein the variable frequency motor 5 is connected to the controller through a lead; the contact type rotating speed sensor 4 to be measured is connected to the oscilloscope through a lead.

The use process comprises the following steps:

when the clamp is used, a worker pulls the slide block 21 through the push handle 24, the slide block 21 moves on the slide rail 2, and the clamp 3 at the upper end of the slide block 21 moves to a proper position along with the slide block 21. After the clamp 3 is moved to a proper position, the worker overturns the upper clamping seat 32 through the handle 34, places the contact type rotating speed sensor 4 to be detected in the groove 35 in the lower clamping seat 31, then overturns the upper clamping seat 32 through the handle 34 to restore the original position, and at the moment, the upper clamping seat 32 is matched with the lower clamping seat 31 through the gravity of the clamp body to fix the contact type rotating speed sensor 4 to be detected in the clamping groove 35. After the contact type rotating speed sensor 4 to be detected is fixed, the push handle 24 is pushed, the slide block 21 slides on the slide rail 2, the joint of the contact type rotating speed sensor 4 to be detected moves to the coupler 52 and is matched with the assembling hole 521 on the coupler 52, and the joint of the contact type rotating speed sensor 4 to be detected rotates along with the coupler 52. The controller is used for simultaneously starting the variable frequency motor 5 and the oscilloscope, the variable frequency motor 5 drives the coupler 52 to rotate at a constant speed, and the oscilloscope displays a waveform diagram of the tested contact type rotating speed sensor 4, so that whether the contact type rotating speed sensor 4 is qualified is detected.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. The utility model provides a contact speed sensor's detection device, is fixed with the supporting leg of vertical setting, its characterized in that including the brace table that is the rectangle, brace table's bottom four corners: the top end of the supporting table is fixed with two parallel sliding rails arranged at intervals, the sliding rails are respectively connected with sliding blocks in a sliding manner, the top end of each sliding block is fixed with a supporting plate, the two ends of each supporting plate are respectively fixedly connected with the top ends of the two sliding blocks, the top end of each supporting plate is provided with a clamp used for fixing a contact type rotating speed sensor to be detected, each clamp comprises a lower clamping seat, the lower clamping seat is fixed at the top end of each supporting plate, an upper clamping seat corresponding to the lower clamping seat is hinged to the lower clamping seat, and clamping grooves used for placing the contact type rotating speed sensor to be; the top of brace table is fixed with motor support, and motor support's top is fixed with inverter motor, and inverter motor's power output shaft's tip is fixed with the detachable shaft coupling, and the pilot hole that corresponds with waiting to detect contact speed sensor joint is seted up to the outer end of shaft coupling.

2. The detecting device of a contact type rotational speed sensor according to claim 1, wherein: hinges are fixed on the side walls of the lower clamping seat and the upper clamping seat, and the upper clamping seat is hinged with the lower clamping seat through the hinges.

3. The detecting device of a contact type rotational speed sensor according to claim 2, wherein: and two ends of the slide rail are respectively fixed with a limiting block for blocking the slide block.

4. The detecting device of a contact type rotational speed sensor according to claim 3, wherein: a handle used for turning over the upper clamping seat is fixed at the top end of the upper clamping seat.

5. The detecting device of a contact type rotational speed sensor according to claim 4, wherein: an L-shaped pushing handle for pushing the supporting plate is fixed on the side wall of the supporting plate.

6. The detecting device of a contact type rotational speed sensor according to claim 5, wherein: a motor box is fixed on the support table, and the variable frequency motor and the motor bracket are both arranged in the motor box; the side wall of the motor box is provided with a through hole, the diameter of the through hole is larger than that of the coupler, and the coupler extends out of the motor box through the through hole.

7. The detecting device of a contact type rotational speed sensor according to claim 6, wherein: the detection device of the contact type rotating speed sensor also comprises a controller and an oscilloscope, wherein the variable frequency motor is connected to the controller through a lead; the contact type rotating speed sensor to be measured is connected to the oscilloscope through a lead.