CN115752207A

CN115752207A - Executor stroke testing arrangement

Info

Publication number: CN115752207A
Application number: CN202211589231.1A
Authority: CN
Inventors: 唐诗杰; 唐勇彪; 罗子轩; 王标
Original assignee: Wuxi Thomas Tang Intelligent Technology Co ltd
Current assignee: Wuxi Thomas Tang Intelligent Technology Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-03-07

Abstract

The invention discloses an actuator stroke testing device, which comprises a rack internally provided with a plurality of layers of testing platforms, wherein the top surface of each testing platform is provided with a plurality of testing seats and wire holders in one-to-one correspondence with the testing seats side by side, the middle part of each testing seat is vertically penetrated with a testing channel, the outer peripheral wall of each testing seat is provided with a connecting spiral ring, the bottom surface of each testing platform is provided with a plurality of bidirectional cylinders corresponding to the testing seats, the outer walls of the bidirectional cylinders are provided with magnetic displacement sensors, the top ends of piston rods upwards slide to penetrate through the corresponding testing platforms and the testing channels and are provided with adaptive magnets, when the piston rods of the bidirectional cylinders descend to the lowest point, the magnets correspondingly lean against the end parts of output rods of actuators to be tested connected on the testing seats, and the rack is provided with an air source interface communicated with the bidirectional cylinders through air pressure switches and pressure regulating valves and a PLC control box connected with the pressure regulating valves, the air switches, the magnetic displacement sensors and the wire holders. The invention solves the technical problem of how to quickly and accurately test the stroke of the actuator.

Description

Executor stroke testing arrangement

Technical Field

The invention relates to the technical field of actuator testing, in particular to an actuator stroke testing device.

Background

The actuator needs to be tested before leaving the factory so as to prevent defective products from flowing to the client. The existing actuator stroke testing device adopts a percentage table and a pre-tightening spring assembly matched mode to measure the stroke, the pre-tightening spring assembly is supported and pressed between an output rod of an actuator to be tested and a measuring head of the percentage table, the thrust applied to the actuator in the actual use process is simulated, and the obvious effect is achieved.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is how to quickly and accurately perform stroke test on the actuator.

In order to solve the technical problem, the invention provides an actuator stroke testing device which comprises a rack, wherein a plurality of layers of testing platforms are erected in the rack, a plurality of testing seats and a plurality of wire holders correspondingly positioned on one side of the testing seats are arranged on the top surface of each testing platform side by side along the axial direction, a testing channel is vertically communicated in the middle of each testing seat, a connecting spiral ring used for connecting an actuator to be tested is arranged on the outer peripheral wall of each testing seat, a plurality of bidirectional air cylinders corresponding to the testing seats are installed on the bottom surface of each testing platform, magnetic displacement sensors are arranged on the outer walls of the bidirectional air cylinders, the top ends of piston rods slide upwards to penetrate through the corresponding testing platforms and the corresponding testing channels, and adaptive magnets are installed on the outer peripheral walls of the bidirectional air cylinders, when the piston rods of the bidirectional air cylinders descend to the lowest point, the magnets correspondingly abut against the end portions of output rods of the actuators to be tested connected to the testing seats, and a PLC control box which is sequentially communicated with the pressure regulating valves, the air pressure switches, the magnetic displacement sensors and the wire holders through the air pressure regulating valves.

In an embodiment of the invention, a plurality of warning lamps corresponding to the test sockets are arranged on the top surface of the test platform side by side along the axial direction, and the warning lamps are connected with the PLC control box.

In an embodiment of the invention, a pressure gauge is arranged on the pressure regulating valve.

In an embodiment of the present invention, the test socket, the test channel and the connection ring are integrally formed.

In one embodiment of the invention, a plurality of the test platforms are arranged in the rack at equal intervals.

In one embodiment of the invention, a plurality of foot rollers are arranged at the bottom of the frame.

In one embodiment of the invention, a level gauge is embedded on the top surface of the test platform positioned at the lowest layer.

Compared with the prior art, the technical scheme of the invention has the following advantages: according to the invention, through the arrangement of a plurality of layers of test platforms arranged in the frame and a plurality of test seats arranged on each layer of test platform, a plurality of actuators can be tested simultaneously, the arrangement of applying constant thrust to the actuators is realized through the bidirectional air cylinder with controllable air pressure and the magnets arranged at the end parts of the piston rods, so that the thrust borne by the actuators in the actual use process is accurately simulated, the stroke of the actuators is quickly converted into the displacement of the magnets and is sent to the PLC control box by the corresponding magnetic displacement sensors, and the PLC control box displays the measurement results of all the actuators according to the preset values and the error values, thereby realizing the quick and accurate stroke test of the actuators, greatly improving the test convenience and the test efficiency, and ensuring the accuracy and reliability of the test results.

Drawings

In order that the present disclosure may be more readily understood, a more particular description of the disclosure will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings

FIG. 1 is a schematic structural view of the present invention;

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

description reference numbers indicate: 1. the device comprises a rack, 2, a test platform, 3, a test seat, 31, a test channel, 32, a connection spiral ring, 4, a wire holder, 5, a bidirectional cylinder, 6, a magnetic displacement sensor, 7, a magnet, 8, an air pressure switch, 9, a pressure regulating valve, 10, an air source interface, 11 and a PLC control box.

Detailed Description

The present invention is further described below in conjunction with the drawings and the embodiments so that those skilled in the art can better understand the present invention and can carry out the present invention, but the embodiments are not to be construed as limiting the present invention.

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Therefore, the directional terminology used is for the purpose of illustration and is not intended to be limiting of the present invention, and further, like reference numerals denote like elements throughout the embodiments.

Referring to fig. 1 and 2, an executor stroke testing device includes a frame 1, a plurality of layers of test platform 2 are erected in the frame 1, the top surface of test platform 2 is equipped with a plurality of test sockets 3 and a plurality of corresponding connection terminal 4 that is located test socket 3 one side by side along the axial, the middle part of test socket 3 is vertically run through test passageway 31, the periphery wall is equipped with the connection spiral 32 that is used for connecting the executor that awaits measuring, install a plurality of and on the bottom surface of test platform 2 the corresponding two-way cylinder 5 of test socket 3, be equipped with on the outer wall of two-way cylinder 5 magnetic displacement sensor 6, the piston rod top is slided upwards and is passed and is corresponded test platform 2 with test passageway 31 and install the magnet 7 of looks adaptation, when the piston rod of two-way cylinder 5 descends to the minimum, magnet 7 corresponds to lean on and lean on connecting on the test socket 3 the output pole tip of executor that awaits measuring, be equipped with the air supply interface 10 that is linked together with two-way cylinder 5 through barometer switch 8 and air-pressure valve 9 in proper order on in frame 1 and with the air-pressure regulating valve 9, barometer 8, magnetic displacement sensor 6 and PLC 11 that PLC 4 all links to the connection terminal. Through the arrangement of the plurality of test seats 3 on the plurality of layers of test platforms 2 and each layer of test platform 2, a plurality of actuators can be tested simultaneously, the arrangement that constant thrust is applied to the actuators correspondingly through the bidirectional air cylinder 5 with controllable air pressure and the magnets 7 arranged at the end parts of the piston rods is adopted, not only is the thrust applied to the actuators in the actual use process accurately simulated, but also the stroke of the actuators is quickly converted into the displacement of the magnets 7 and is sent to the PLC control box 11 through the corresponding magnetic displacement sensors 6, the PLC control box 11 displays the measurement results of all the actuators according to preset values and error values, and therefore the technical effect of quickly and accurately testing the stroke of the actuators is achieved.

And a plurality of warning lamps corresponding to the test seats 3 are arranged on the top surface of the test platform 2 side by side along the axial direction and are connected with the PLC control box 11, so that the arrangement can help an operator to determine the positions of unqualified products.

Be equipped with the manometer on the air-vent valve 9, set up like this and can monitor whether air-vent valve 9 normally works, on the other hand is convenient for the staff and knows pressure.

The corresponding test seat 3, the test channel 31 and the connection spiral ring 32 are integrally formed, so that the test seat 3 is compact in structure and high in strength, and the service life is prolonged.

The plurality of test platforms 2 are arranged in the rack 1 at equal intervals, so that the rack 1 is uniformly stressed, and deformation caused by concentrated stress is avoided.

A plurality of lower margin gyro wheels are installed to the bottom of frame 1, are located the lower floor still inlay on test platform 2's the top surface and be equipped with the spirit level, have effectively guaranteed the stability and the levelness of this device operation on the one hand like this, and on the other hand can remove this device conveniently and laborsavingly.

The working principle of the invention is as follows: firstly, an air source interface 10 is externally connected with an air source, then, a PLC control box 11 enables an air pressure switch 8 to be opened to control air to enter a bidirectional air cylinder 5 along the air return direction to enable a piston rod to descend to the lowest point, then, actuators to be tested are assembled on a test base 3 in a one-to-one correspondence mode, the end portion of an output rod of the actuator to be tested is attached to a corresponding magnet 7 after assembly, the actuator to be tested on the test base 3 is connected with a corresponding wire connecting base 4, then, the PLC control box 11 sends a signal to the wire connecting base 4 to control the actuator to carry out stroke motion, meanwhile, the air pressure switch 8 is turned on, control air is subjected to pressure regulation to the required thrust force through a pressure regulating valve 9 and then enters the bidirectional air cylinder 5 along the air inlet direction, the magnet 7 on the piston rod is enabled to be always attached to the output rod of the actuator to exert constant thrust force on the output rod, the displacement of the actuator is converted into the displacement of the magnet 7, in the process, the magnetic displacement sensor 6 sends the monitored data of the magnet 7 to the PLC control box 11 after the stroke motion, the PLC control box 11 enables the air pressure switch 8 to be always abutted to be turned off, compares the received data with a preset value to see whether the displacement of the actuator in the actuator, whether the actuator is allowed in the corresponding test result, and whether the actuator to be classified into a qualified product is displayed according to be displayed, and whether the test result, and whether the qualified product is displayed according to be classified according to be the test result, and whether the test result of the qualified product can be displayed.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Various other modifications and alterations will occur to those skilled in the art upon reading the foregoing description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.

Claims

1. The utility model provides an executor stroke testing arrangement, its characterized in that, includes the frame, a plurality of layers of test platform have been erect in the frame, test platform's top surface is equipped with a plurality of test seats and a plurality of correspondence is located side by side along the axial the connection terminal of test seat one side, the vertical intercommunication in middle part of test seat has test passageway, periphery wall to be equipped with the connection spiro that is used for connecting the executor that awaits measuring, install a plurality ofly on test platform's the bottom surface with the two-way cylinder that the test seat corresponds, be equipped with magnetic displacement sensor, piston rod top upwards slide on the outer wall of two-way cylinder and pass and correspond test platform with the magnet of test passageway and installation looks adaptation, work as when the piston rod of two-way cylinder descends to the minimum, the magnet corresponds to paste and leans on to be connected on the test seat output pole tip of executor that awaits measuring, be equipped with in proper order through air pressure switch and air-vent valve with the two-way cylinder be linked together the air source interface and with the air-vent valve the air pressure switch magnetic displacement sensor with the PLC control box that the connection terminal all links to each other.

2. The actuator stroke testing device according to claim 1, wherein a plurality of warning lamps corresponding to the test sockets are arranged on the top surface of the test platform in parallel along the axial direction, and the warning lamps are connected with the PLC control box.

3. The actuator stroke testing device as claimed in claim 1, wherein a pressure gauge is provided on the pressure regulating valve.

4. The actuator stroke testing device of claim 1 wherein said test socket, said test channel and said connection ring are integrally formed as a single piece.

5. The actuator stroke testing device of claim 1 wherein a plurality of said test platforms are disposed in said frame at equal intervals.

6. The actuator stroke testing device of claim 1 wherein a plurality of ground rollers are mounted to the bottom of the frame.

7. The actuator stroke testing device of claim 6, wherein a level gauge is further embedded on the top surface of the testing platform at the lowest layer.