CN218896127U

CN218896127U - Comprehensive test stand for rotating speed and frequency

Info

Publication number: CN218896127U
Application number: CN202222021354.7U
Authority: CN
Inventors: 蒋金波; 蒋林书; 谭宇
Original assignee: Guangdong Debao Luozhi Control Technology Co ltd
Current assignee: Guangdong Debao Luozhi Control Technology Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2023-04-21
Anticipated expiration: 2032-08-02

Abstract

The application discloses rotational speed and frequency comprehensive test bed relates to rotational speed and frequency comprehensive test bed field, including the box body, the spout has been seted up at the box body top, and the spout inner wall is provided with the tooth's socket, and the inside sliding connection of spout has the support, and support top fixed mounting has the fixation clamp, and support bottom threaded connection has fixing bolt, has cup jointed adjusting bolt in the fixing bolt outside, and adjusting bolt bottom is provided with the runner, and inside swing joint of fixation clamp has rotation speed sensor; the rotating speed sensor is arranged in the fixing clamp at the top of the support, the adjusting bolt is rotated again to adjust the distance between the support and the gear, after the distance is proper, the fixing bolt is rotated to fix the support at the current position, then the motor drives the gear to rotate, the rotating speed sensor can measure the rotating speed, then the rotating speed of the rotating speed sensor is displayed on the tachometer and is compared with the preset rotating speed, whether the precision of the rotating speed sensor meets the standard is checked, and errors of the rotating speed sensor caused by the interval can be well avoided.

Description

Comprehensive test stand for rotating speed and frequency

Technical Field

The application relates to the field of comprehensive test tables for rotating speed and frequency, in particular to a comprehensive test table for rotating speed and frequency.

Background

The rotation speed sensor is a sensor for converting the rotation speed of a rotating object into electric quantity output, belongs to an indirect measuring device, can be manufactured in a mechanical, electrical, magnetic, optical and mixed mode, and has small difference in precision due to the influence of a production process and other factors after manufacturing, so that the precision of the sensor is required to be detected.

Most of the existing detection modes are to align a fixed rotating gear or other devices by using a detection end of a rotation speed sensor, check whether detection data of the rotation speed sensor accords with the fixed rotating gear, and are rapid to operate, simple in structure and free from influencing working progress.

In carrying out the present application, the inventors have found that at least the following problems exist in this technology: because the interval between the rotation speed sensor and the gear has larger influence on the detection data of the sensor, the intervals corresponding to the sensors of different models are different, the interval pole during detection cannot be adjusted during detection, the numerical error detected by the rotation speed sensor is larger, repeated measurement is needed for many times, the working time is prolonged, and the productivity is wasted.

Disclosure of Invention

An object of the application is to provide a rotational speed and frequency comprehensive test bed to solve current problem: because the interval between the rotation speed sensor and the gear has larger influence on the detection data of the sensor, the intervals corresponding to the sensors of different models are different, the interval pole during detection cannot be adjusted during detection, the numerical error detected by the rotation speed sensor is larger, repeated measurement is needed for many times, the working time is prolonged, and the productivity is wasted.

In order to solve the technical problems, the application is realized by the following technical scheme: the utility model provides a rotational speed and frequency integrated test platform, includes the box body, the spout has been seted up at the box body top, the spout inner wall is provided with the tooth's socket, the inside sliding connection of spout has the support, support top fixed mounting has the fixation clamp, support bottom threaded connection has fixing bolt, adjusting bolt has been cup jointed in the fixing bolt outside, the adjusting bolt bottom is provided with the runner, the inside swing joint of fixation clamp has rotation speed sensor, box body top fixedly connected with servo motor, servo motor output fixed mounting has the gear, one side fixed mounting that the box body top is close to the gear has the protection baffle, box body top fixed mounting has integral type PLC touch-sensitive screen, box body top fixed mounting has the tachometer, box body inner wall fixed mounting has the fixed plate, fixed plate top fixed mounting has switch power supply, box body inner wall fixed mounting has the controller, be provided with the wire between switch power supply and the controller.

Furthermore, teeth are arranged on the surface of the runner at the bottom of the adjusting bolt and are matched with tooth grooves on the inner wall of the sliding groove, and two sides of the runner penetrate through the bracket to be in contact with the tooth grooves on the inner wall of the sliding groove.

By adopting the scheme, the effect that the bracket can correspondingly move under the action of the tooth and the tooth slot when the adjusting bolt rotates is achieved.

Further, the protective baffle is provided with an outward recess, and the servo motor is arranged at the recess of the protective baffle.

By adopting the scheme, the effect that the protection of the gear is increased, the foreign matter is placed, the gear rotating at high speed is entered, and meanwhile, the gear is mistakenly touched by a placement staff, so that potential safety hazards are reduced is achieved.

Further, the switch power supply is connected with the controller through a wire, the wire is arranged between the controller and the servo motor as well as between the controller and the integrated PLC touch screen, and the rotating speed operation control system is preset on the integrated PLC touch screen.

By adopting the scheme, the effect that the controller can receive the control signal transmitted by the integrated PLC touch screen to control the servo motor is achieved.

Further, the fixing clamp is divided into two parts, namely a fixed part and a movable part, a hinge is arranged between the fixed part and the movable part, and a torsion spring is arranged in the hinge and is respectively connected with the fixed part and the movable part.

By adopting the scheme, the fixing of the rotating speed sensor inside the fixing clamp is enhanced, and the effect of influencing the operation of the rotating speed sensor due to shaking generated by high-speed rotation of the gear is prevented.

Further, the bottom of the servo motor is positioned in the box body.

By adopting the scheme, the effect of conveniently connecting the bottom of the servo motor with the controller through the lead to receive the signal transmitted by the controller is achieved.

Furthermore, the chute is soil-shaped, the support is matched with the chute in shape, and the fixing bolt penetrates through the bottom of the support to be in contact with the bottom of the chute.

By adopting the scheme, the effect that the support is fixed and cannot move when the fixing bolt is contacted with the bottom of the chute is achieved.

The beneficial effects are that: install rotation speed sensor in support top fixation clamp, rotate adjusting bolt adjustment support and gear's distance again, after the distance is suitable, rotate fixing bolt, fix the support in current position, then set for corresponding rotational speed through PCL control, then motor drive gear rotates, rotation speed sensor can measure the rotational speed, then show rotation speed sensor's rotational speed on the tachometer, compare with preset's rotational speed, look over whether rotation speed sensor's precision accords with the standard, avoid the interval that can be fine leads to rotation speed sensor to produce the error.

Drawings

FIG. 1 is a schematic view of the overall structure of a rotational speed and frequency integrated test stand according to the present application;

FIG. 2 is a perspective view of a rotational speed and frequency integrated test stand structure according to the present application;

fig. 3 is an enlarged view of a structure a of a rotational speed and frequency integrated test stand of the present application.

In the drawings, the list of components represented by the various numbers is as follows:

1. a case body; 2. a chute; 3. tooth slots; 4. a bracket; 5. a fixing clamp; 6. a fixing bolt; 7. adjusting a bolt; 8. a rotating wheel; 9. a rotation speed sensor; 10. a servo motor; 11. a gear; 12. a protective baffle; 13. integral PLC touch screen; 14. a tachometer; 15. a fixing plate; 16. a switching power supply; 17. a controller; 18. and (5) conducting wires.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, a rotating speed and frequency comprehensive test stand comprises a box body 1, a chute 2 is formed in the top of the box body 1, a tooth slot 3 is formed in the inner wall of the chute 2, a support 4 is connected inside the chute 2 in a sliding mode, a fixing clamp 5 is fixedly arranged at the top of the support 4, a fixing bolt 6 is connected to the bottom of the support 4 in a threaded mode, the chute 2 is in a shape of a Chinese character 'tu', the support 4 is matched with the shape of the chute 2, the fixing bolt 6 penetrates through the bottom of the support 4 to be contacted with the bottom of the chute 2, the support 4 is fixed when the fixing bolt 6 is contacted with the bottom of the chute 2, an adjusting bolt 7 is sleeved outside the fixing bolt 6, a rotating wheel 8 is arranged at the bottom of the adjusting bolt 7, teeth are arranged on the surface of the rotating wheel 8 at the bottom of the adjusting bolt 7 and are matched with the tooth slot 3 of the inner wall of the chute 2, two sides of the rotating wheel 8 penetrate through the support 4 to be contacted with the tooth slot 3 of the inner wall of the chute 2, and the effect that the support 4 can correspondingly move when the adjusting bolt 7 rotates under the action of the teeth and 3 is achieved, and a rotating speed sensor 9 is movably connected inside the fixing clamp 5.

As shown in fig. 2-3, the servo motor 10 is fixedly connected to the top of the box body 1, the gear 11 is fixedly mounted at the output end of the servo motor 10, the fixing clamp 5 is divided into two parts, namely a fixed part and a movable part, a hinge is arranged between the fixed part and the movable part, a torsion spring is arranged in the hinge, and the torsion spring is connected with the fixed part and the movable part respectively, so that the fixing of the rotating speed sensor 9 in the fixing clamp 5 is enhanced, the effect of influencing the operation of the rotating speed sensor 9 due to shaking caused by high-speed rotation of the gear 11 is prevented, the gear 11 and the probe of the rotating speed sensor 9 are positioned on the same horizontal line, and the rotating speed sensor 9 can better rotate the gear 11 and detect the rotating speed.

As shown in fig. 2-3, a protection baffle 12 is fixedly installed on one side, close to the gear 11, of the top of the box body 1, the protection baffle 12 is provided with an outward recess, and a servo motor 10 is arranged in the recess of the protection baffle 12, so that the effect of increasing the protection of the gear 11 to prevent foreign matters from entering the gear 11 rotating at a high speed and simultaneously preventing workers from touching the gear 11 by mistake to reduce potential safety hazards is achieved, an integrated PLC touch screen 13 is fixedly installed on the top of the box body 1, a tachometer 14 is fixedly installed on the top of the box body 1, a fixing plate 15 is fixedly installed on the inner wall of the box body 1, a switching power supply 16 is fixedly installed on the top of the fixing plate 15, a controller 17 is fixedly installed on the inner wall of the box body 1, the bottom of the servo motor 10 is located inside the box body 1, and the effect of conveniently connecting the bottom of the servo motor 10 with the controller 17 through a wire 18 to receive signals transmitted by the controller 17 is achieved.

As shown in fig. 2-3, a wire 18 is arranged between the switch power supply 16 and the controller 17, the switch power supply 16 is connected with the controller 17 through the wire 18, the wire 18 is arranged between the controller 17 and the servo motor 10 and between the controller 17 and the integrated PLC touch screen 13, and the integrated PLC touch screen 13 is preset with a rotating speed operation control system, so that the effect that the controller 17 can receive a control signal transmitted by the integrated PLC touch screen 13 to control the servo motor 10 is achieved.

The implementation principle of the comprehensive test stand for the rotating speed and the frequency is as follows: firstly, a rotation speed sensor 9 is placed in a fixing clamp 5 at the top of a bracket 4, the fixing clamp is fixed, an adjusting bolt 7 is rotated, a rotating wheel 8 at the bottom of the adjusting bolt 7 follows rotation, surface teeth and tooth grooves 3 are mutually matched when the rotating wheel 8 rotates to enable the bracket 4 to displace, the distance between the bracket 4 and the gear 11 is adjusted, when the distance is right, a fixing bolt 6 is rotated, the fixing bolt 6 moves downwards to be in contact with the bottom of the sliding groove 2, the bracket 4 is fixed at the current position, a switching power supply 16 is turned on, a required rotation speed is set by using an integrated PLC touch screen 13, then a servo motor 10 starts to work, the gear 11 at the top of the servo motor 10 starts to rotate, when the gear 11 starts to rotate, the rotation speed sensor 9 detects the gear 11 and transmits detection data to a rotation speed meter 14, the rotation speed meter 14 carries out reality on the rotation speed of the current gear 11, and a worker can compare a set value with a display value of the rotation speed meter 14 to see whether the rotation speed sensor 9 accords with a standard.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. The utility model provides a rotational speed and frequency comprehensive test platform, includes box body (1), its characterized in that: the utility model discloses a power supply, including box body (1), fixed box body (1) and power supply, spout (2) have been seted up at box body (1) top, spout (2) inner wall is provided with tooth's socket (3), spout (2) inside sliding connection has support (4), support (4) top fixed mounting has fixation clamp (5), support (4) bottom threaded connection has fixing bolt (6), adjusting bolt (7) have been cup jointed in the outside of fixing bolt (6), adjusting bolt (7) bottom is provided with runner (8), inside swing joint of fixation clamp (5) has rotation speed sensor (9), box body (1) top fixedly connected with servo motor (10), servo motor (10) output fixed gear (11), one side fixed mounting that is close to gear (11) at box body (1) top has protection baffle (12), box body (1) top fixed mounting has integral type PLC touch-sensitive screen (13), box body (1) top fixed mounting has tachometer (14), box body (1) inner wall fixed mounting has fixed plate (15), switch (16) fixed box body (17), and a wire (18) is arranged between the switching power supply (16) and the controller (17).

2. The rotating speed and frequency comprehensive test bed according to claim 1, wherein teeth are arranged on the surface of a rotating wheel (8) at the bottom of the adjusting bolt (7) and are matched with tooth grooves (3) on the inner wall of the sliding groove (2), and two sides of the rotating wheel (8) penetrate through the support to be in contact with the tooth grooves (3) on the inner wall of the sliding groove (2).

3. The rotating speed and frequency integrated test stand according to claim 1, wherein the protective baffle (12) is provided with an outward recess, and the servo motor (10) is provided in the recess of the protective baffle (12).

4. The rotating speed and frequency comprehensive test stand according to claim 1, wherein the switching power supply (16) is connected with the controller (17) through a wire (18), the wire (18) is arranged between the controller (17) and the servo motor (10) and between the controller and the integrated PLC touch screen (13), and the rotating speed operation control system is preset on the integrated PLC touch screen (13).

5. The rotating speed and frequency comprehensive test stand according to claim 1, wherein the fixing clamp (5) is divided into two parts, namely a fixed part and a movable part, a hinge is arranged between the fixed part and the movable part, and a torsion spring is arranged in the hinge and is respectively connected with the fixed part and the movable part.

6. A rotational speed and frequency integrated test stand according to claim 1, characterized in that the bottom of the servo motor (10) is located inside the box (1).

7. The rotating speed and frequency comprehensive test bed according to claim 1, wherein the sliding groove (2) is shaped like a Chinese character 'tu', the bracket (4) is matched with the shape of the sliding groove (2), and the fixing bolt (6) penetrates through the bottom of the bracket (4) to be contacted with the bottom of the sliding groove (2).