CN116243150A

CN116243150A - Plastic case breaker detection device and method

Info

Publication number: CN116243150A
Application number: CN202211093358.4A
Authority: CN
Inventors: 聂宗军; 王中林; 匡文清
Original assignee: Zhejiang Chint Electrics Co Ltd
Current assignee: Zhejiang Chint Electrics Co Ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-06-09

Abstract

The invention discloses a detection device and a detection method for a molded case circuit breaker. The conveying mechanism is used for conveying the molded case circuit breaker to a to-be-tested working position; the lifting mechanism can lift the molded case circuit breaker positioned at the station to be tested to the testing station, and the detected molded case circuit breaker is placed on the conveying mechanism; the on-off detection mechanism can detect the on-off of the molded case circuit breaker positioned at the test station; the tripping force detection mechanism can detect the tripping force of the molded case circuit breaker positioned at the test station; the push rod force detection mechanism can detect push rod force of the molded case circuit breaker positioned at the test station; the opening and closing force detection mechanism can detect opening and closing force of the molded case circuit breaker located at the test station. The detection efficiency of the molded case circuit breaker detection device is high.

Description

Plastic case breaker detection device and method

Technical Field

The invention relates to the technical field of circuit breaker detection, in particular to a device and a method for detecting a molded case circuit breaker.

Background

The circuit breaker belongs to a protection electrical appliance, if the protection characteristic of the circuit breaker is in misoperation, the normal operation of a power distribution system can be influenced, and even the safety of the system and power equipment can be endangered, so that the reliability of the product is an important index of the circuit breaker product, and therefore, the performance of each aspect of the circuit breaker needs to be detected in the production process of the circuit breaker, such as on-off detection, release force detection, push rod force detection, opening and closing force detection and the like, so that the reliability of the circuit breaker meets the requirements.

At present, in the production process of the molded case circuit breaker, on-off detection, release force detection, push rod force detection, opening and closing force detection and the like of the molded case circuit breaker are detected manually or by being provided with a plurality of single-function detection tables, products need to be circulated among a plurality of detection devices in the detection process, the detection efficiency is low, the molded case circuit breaker is high in weight, and certain potential safety hazards exist in frequent rotation. The detected data is recorded manually, can not be collected automatically and uniformly, and has low automation degree.

Therefore, it is needed to provide a detection device and method for a molded case circuit breaker to solve the above problems.

Disclosure of Invention

According to one aspect of the invention, the invention provides a molded case circuit breaker detection device, which can realize integrated automatic detection of multiple performances of the molded case circuit breaker and has high detection efficiency.

In order to achieve the above purpose, the invention adopts the following technical scheme:

plastic case circuit breaker detection device includes:

a work table;

the conveying mechanism is arranged below the workbench and is used for conveying the molded case circuit breaker to a to-be-tested working position;

the lifting mechanism is arranged below the workbench, and can lift the molded case circuit breaker positioned at the to-be-tested working position to a testing working position and place the detected molded case circuit breaker on the conveying mechanism;

the on-off detection mechanism is arranged on the workbench and can fix the molded case circuit breaker and perform on-off detection on the molded case circuit breaker positioned at the test station;

the tripping force detection mechanism is arranged on the workbench and can detect the tripping force of the molded case circuit breaker positioned at the test station;

the push rod force detection mechanism is arranged on the workbench and can detect the push rod force of the molded case circuit breaker positioned at the test station;

the switching-on and switching-off force detection mechanism is arranged on the workbench and can detect the switching-on and switching-off force of the molded case circuit breaker at the test station.

Optionally, the on-off detection mechanism includes:

the guide part is fixedly connected with the lower end face of the workbench and comprises a first guide plate, a second guide plate, a third guide plate and a fourth guide plate, the first guide plate, the second guide plate, the third guide plate and the fourth guide plate are connected end to form a containing cavity, and when the molded case circuit breaker is positioned at the test station, part of the molded case circuit breaker is positioned in the containing cavity;

the fixed end of the first driving piece is fixedly connected with the first guide plate, the output end of the first driving piece is arranged on the first guide plate in a sliding penetrating mode, the output end of the first driving piece can be abutted to the side wall of the molded case circuit breaker, the molded case circuit breaker is pushed to be abutted to the third guide plate, so that the molded case circuit breaker is fixed between the output end of the first driving piece and the third guide plate, and the first guide plate and the third guide plate are arranged oppositely;

the two electrode modules are respectively arranged on the second guide rod plate and the fourth guide plate, one of the two electrode modules can be electrically connected with the wire inlet end wire connecting seat of the molded case circuit breaker, the other electrode module can be electrically connected with the wire outlet end wire connecting seat of the molded case circuit breaker, and the two electrode modules are electrically connected, so that the two electrode modules can form a conducting loop with the molded case circuit breaker.

Optionally, the electrode module includes:

the base is provided with a plurality of mounting grooves which are arranged at intervals along the length direction of the base;

the electrodes are arranged in one-to-one correspondence with the mounting grooves, are rotationally connected with the base, and one end of each electrode can be electrically connected with the wire inlet end or the wire outlet end;

the reset elastic piece is arranged between the electrode and the bottom wall of the mounting groove, one end of the reset elastic piece is connected with the electrode, and the other end of the reset elastic piece is connected with the bottom wall of the mounting groove.

Optionally, the trip force detection mechanism includes:

the Y-direction moving assembly is arranged on the upper end surface of the workbench;

the Y-direction moving assembly is in driving connection with the Z-direction moving assembly, and the Y-direction moving assembly can drive the Z-direction moving assembly to move along the Y-axis direction;

the Z-direction moving assembly is in driving connection with the tripping rod, the Z-direction moving assembly can drive the tripping rod to move along the Z-axis direction, and the tripping rod can be in contact with a tripping switch of the molded case circuit breaker and push the tripping switch to move;

The first force sensor is arranged between the Z-direction moving assembly and the tripping rod and is used for collecting tripping force information on the tripping rod.

Optionally, the push rod force detection mechanism includes:

the fixed end of the second driving piece is fixedly connected with the lower end face of the workbench;

the output end of the second driving piece is in driving connection with the connecting piece, and the second driving piece can drive the connecting piece to move;

one end of the ejector rod is in transmission connection with the connecting piece, and the other end of the ejector rod can be in contact with the push rod of the molded case circuit breaker and push the push rod to move;

the second force sensor is arranged between the connecting piece and the ejector rod and is used for collecting push rod force information on the ejector rod.

Optionally, the push rod force detection mechanism further includes:

the first guide rail is fixedly connected with the lower end face of the workbench and extends along the movement direction of the output end of the second driving piece, and the connecting piece is in sliding connection with the first guide rail.

Optionally, the opening and closing force detection mechanism includes:

the fixed end of the third driving piece is fixedly connected with the upper end face of the workbench;

The output end of the third driving piece is in driving connection with the mounting plate, the third driving piece can drive the mounting plate to move, and the mounting plate comprises a first connecting part and a second connecting part;

the brake separating piece is connected with the first connecting part;

the third force sensor is arranged between the first connecting part and the brake separating piece and is used for collecting brake separating force information on the brake separating piece;

the switching-on piece is connected with the second connecting part;

the fourth force sensor is arranged between the second connecting part and the closing piece and is used for collecting closing force information on the closing piece;

when the output end of the third driving piece stretches out, the brake separating piece is contacted with the handle of the molded case circuit breaker and pushes the handle to finish brake separating action, and when the output end of the third driving piece retracts, the brake closing piece is contacted with the handle and pushes the handle to finish brake closing action.

Optionally, the opening and closing force detection mechanism further includes:

the second guide rail is fixedly connected with the upper end face of the workbench and extends along the movement direction of the output end of the third driving piece, and the mounting plate is in sliding connection with the second guide rail.

Optionally, the lifting mechanism includes:

the mounting bottom plate is connected with the workbench;

the fixed end of the fourth driving piece is fixedly connected with the mounting bottom plate;

the output end of the fourth driving piece penetrates through the mounting bottom plate to be in driving connection with the moving bottom plate, and the fourth driving piece can drive the moving bottom plate to move along the vertical direction;

and the tail end bearing piece is fixedly connected with the moving bottom plate, when the output end of the fourth driving piece stretches out, the tail end bearing piece lifts the molded case circuit breaker to the testing station, and when the output end of the fourth driving piece retracts, the tail end bearing piece places the molded case circuit breaker on the conveying mechanism.

According to another aspect of the present invention, the present invention provides a method for detecting a molded case circuit breaker, which is implemented based on the molded case circuit breaker detection device according to any one of the above technical solutions, and includes the following steps:

the initial positions of the on-off detection mechanism, the tripping force detection mechanism, the push rod force detection mechanism and the opening and closing force detection mechanism are adjusted according to the specification of the molded case circuit breaker;

The conveying mechanism conveys the molded case circuit breaker to a to-be-tested working position;

lifting the molded case circuit breaker to a test station by a lifting mechanism, and keeping a lifting state;

the on-off detection mechanism clamps and fixes the molded case circuit breaker, the on-off detection mechanism detects the on-off of the molded case circuit breaker, and meanwhile, the on-off force detection mechanism detects the on-off force of the molded case circuit breaker;

the tripping force detection mechanism detects the tripping force of the molded case circuit breaker;

the push rod force detection mechanism detects push rod force of the molded case circuit breaker;

and (5) ending the test.

The beneficial effects of the invention are as follows:

the invention provides a molded case circuit breaker detection device which comprises a workbench, a conveying mechanism, a lifting mechanism, an on-off detection mechanism, a tripping force detection mechanism, a push rod force detection mechanism and a switching-on/off force detection mechanism, wherein integrated automatic detection of product on-off, tripping force, push rod force and switching-on/off force can be realized, namely, the detection of 4 functions can be realized by once clamping of the product, and the detection efficiency is higher.

The plastic case breaker detection device is simple in mechanism, detection data can be summarized in real time and can be automatically exported, and the degree of automation is high.

Through setting up the nimble clamping of break-make detection mechanism to moulding the shell circuit breaker, make above-mentioned moulded case circuit breaker detection device can be applicable to the moulded case circuit breaker of different specifications, improved above-mentioned moulded case circuit breaker detection device's universality.

Drawings

Fig. 1 is a schematic partial view of a molded case circuit breaker detection device according to an embodiment of the present invention at a first viewing angle;

fig. 2 is a schematic partial view of a molded case circuit breaker detecting device according to a second embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a workbench according to an embodiment of the invention;

fig. 4 is a schematic structural diagram of a lifting mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic view of an end carrier according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an on-off detection mechanism according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an electrode module according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a trip force detecting mechanism according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a push rod force detection mechanism according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of an opening and closing force detecting mechanism according to an embodiment of the present invention;

fig. 11 is a flowchart of a method for detecting a molded case circuit breaker according to an embodiment of the present invention.

In the figure:

100. a work table; 110. a carrying plate; 111. avoidance holes; 120. a support column; 130. a support base; 140. a first connection plate; 150. a fixing plate;

200. a conveying mechanism;

300. a lifting mechanism; 310. a mounting base plate; 320. a fourth driving member; 330. a motion base plate; 340. an end carrier; 341. a boss; 350. a linear bearing; 360. a guide shaft; 370. a first connection post; 380. a second connection post;

400. an on-off detection mechanism; 410. a guide part; 411. a first guide plate; 412. a second guide plate; 413. a third guide plate; 414. a fourth guide plate; 420. a receiving chamber; 430. a first driving member; 440. an electrode module; 441. a base; 4411. a mounting groove; 442. an electrode; 4421. a cambered surface; 4422. a connection hole; 443. a return elastic member; 444. a rotating shaft; 450. a limiting block;

500. a trip force detection mechanism; 510. a Y-direction moving component; 511. a fifth driving member; 512. a third guide rail; 513. a third slider; 520. a Z-direction moving assembly; 530. a trip bar; 540. a first force sensor; 550. a second connecting plate; 560. a third connecting plate; 570. a mounting member;

600. a push rod force detection mechanism; 610. a second driving member; 620. a connecting piece; 630. a push rod; 640. a second force sensor; 650. a first guide rail; 660. a first slider; 670. a fourth connecting plate;

700. The switching force detection mechanism; 710. a third driving member; 720. a mounting plate; 721. a first connection portion; 722. a second connecting portion; 730. a brake separating member; 740. a third force sensor; 750. a closing member; 760. a fourth force sensor; 770. a second guide rail; 780. a second slider;

800. a molded case circuit breaker.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention 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 invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present invention, 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 invention will be understood in specific cases by those of ordinary skill in the art.

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

The invention provides a molded case circuit breaker detection device which can realize integrated automatic detection of multiple performances of a molded case circuit breaker 800 and has high detection efficiency.

Specifically, as shown in fig. 1 and 2, the molded case circuit breaker detecting device includes a table 100, a conveying mechanism 200, a lifting mechanism 300, an on-off detecting mechanism 400, a trip force detecting mechanism 500, a push rod force detecting mechanism 600, and an opening/closing force detecting mechanism 700. Wherein the table 100 remains stationary during operation. The conveying mechanism 200 is disposed below the workbench 100 for conveying the molded case circuit breaker 800 to a station to be tested. In the present embodiment, the conveying mechanism 200 is a flight conveyor. In other embodiments, the conveying mechanism 200 may be other structures, such as a belt conveyor, and the like, as required. The lifting mechanism 300 is disposed below the workbench 100, and the lifting mechanism 300 can lift the molded case circuit breaker 800 located at the station to be tested to the test station and place the detected molded case circuit breaker 800 on the conveying mechanism 200. The on-off detection mechanism 400, the trip force detection mechanism 500, the push rod force detection mechanism 600, and the opening/closing force detection mechanism 700 are all provided on the table 100. The on-off detection mechanism 400 can detect the on-off of the molded case circuit breaker 800 positioned at the test station, the trip force detection mechanism 500 can detect the trip force of the molded case circuit breaker 800 positioned at the test station, the push rod force detection mechanism 600 can detect the push rod force of the molded case circuit breaker 800 positioned at the test station, and the switching-on and switching-off force detection mechanism 700 can detect the switching-off force of the molded case circuit breaker 800 positioned at the test station. The detection mechanism of the molded case circuit breaker 800 can detect 4 functions of the molded case circuit breaker 800, and has higher detection efficiency.

Further, in the present embodiment, as shown in fig. 1 to 3, the workbench 100 includes a carrier plate 110, and the on-off detection mechanism 400, the trip force detection mechanism 500, the push rod force detection mechanism 600, and the opening-closing force detection mechanism 700 are all disposed on the carrier plate 110. The carrier plate 110 is provided with an avoidance hole 111, and the tripping force detection mechanism 500 and the opening and closing force detection mechanism 700 can pass through the avoidance hole 111 to detect the tripping force and the opening and closing force of the molded case circuit breaker 800.

Preferably, the workbench 100 further comprises a support column 120 and a fixing plate 150, wherein one end of the support column 120 is fixedly connected with the lower end surface of the bearing plate 110, and the other end is fixedly connected with the fixing plate 150. By arranging the support columns 120 and the fixing plates 150, the structural stability of the workbench 100 can be improved, the bearing plate 110 is prevented from shaking in the working process, and the working reliability of the molded case circuit breaker detection device is improved. Alternatively, there may be a plurality of support columns 120, and in this embodiment, four support columns 120 are provided, and four support columns 120 are disposed at four corners of the carrier plate 110, respectively. In other embodiments, the number and arrangement of the support columns 120 may be other, and may be set according to actual needs.

Preferably, the workbench 100 further includes a supporting base 130, and the supporting base 130 is disposed between the supporting column 120 and the fixing plate 150. Specifically, one end of the supporting seat 130 is connected to the supporting column 120, and the other end is connected to the fixing plate 150. By providing the supporting base 130, the connection strength between the supporting column 120 and the fixing plate 150 can be improved, and the structural stability of the workbench 100 can be improved.

More preferably, a first connection plate 140 is provided between the support base 130 and the fixing plate 150, and in particular, the support base 130 is connected to the first connection plate 140, and the first connection plate 140 is connected to the fixing plate 150. Through setting up the connection between first connecting plate 140 realization supporting seat 130 and the fixed plate 150, increased the area of connection between supporting seat 130 and the fixed plate 150, improved the joint strength between supporting seat 130 and the fixed plate 150, and then further improved the structural stability of workstation 100.

Further, as shown in fig. 4, the lifting mechanism 300 includes a mounting base 310, a fourth driver 320, a moving base 330, and an end carrier 340. Wherein the mounting plate 310 is connected to the table 100, the mounting plate 310 remains stationary with the table 100 during operation. The fixed end of the fourth driving member 320 is fixedly connected with the mounting base plate 310, the output end of the fourth driving member 320 is in driving connection with the moving base plate 330, and the fourth driving member 320 can drive the moving base plate 330 to move along the vertical direction. The end bearing piece 340 is fixedly connected with the moving bottom plate 330, when the output end of the fourth driving piece 320 stretches out, the end bearing piece 340 lifts the molded case circuit breaker 800 to a testing station, and when the output end of the fourth driving piece 320 retracts, the end bearing piece 340 places the molded case circuit breaker 800 on the conveying mechanism 200, so that the feeding and discharging of the molded case circuit breaker 800 are realized. The fourth driving element 320 may be an air cylinder, an electric cylinder or other mechanisms capable of outputting linear motion, and may be set according to actual needs.

Further, the end carrier 340 is connected to the moving base 330 through a first connection post 370, specifically, one end of the first connection post 370 is connected to the end carrier 340, the other end is connected to the upper end surface of the moving base 330, and the end carrier 340 is used for supporting the molded case circuit breaker 800.

Alternatively, in the present embodiment, four first connection columns 370 are provided, and four first connection columns 370 are provided at four corners of the moving base 330. In other embodiments, the number and arrangement of the first connecting posts 370 may be other, and may be set according to actual needs.

Alternatively, in the present embodiment, there are two end supports 340, and two end supports 340 are provided at opposite sides of the moving base 330, each end support 340 being connected to two first connection posts 370. In other embodiments, the number and arrangement of the end carriers 340 may be other, and may be set according to actual needs.

Preferably, as shown in fig. 5, the edge of the end bearing 340 is provided with a boss 341, and the boss 341 can be abutted with the shell of the molded case circuit breaker 800, so that the molded case circuit breaker 800 is prevented from falling off in the process of lifting to the test station and falling back to the conveying mechanism 200, and the working reliability of the lifting mechanism 300 is improved.

Alternatively, in the present embodiment, with continued reference to fig. 2 and 4, the mounting base plate 310 is connected to the fixing plate 150 of the table 100 through the second connection post 380, specifically, one end of the second connection post 380 is connected to the mounting base plate 310 and the other end is connected to the fixing plate 150. In the present embodiment, four second connection posts 380 are provided, and four second connection posts 380 are provided at four corners of the mounting base plate 310. In other embodiments, the number and arrangement of the second connection posts 380 may be other, and may be set according to actual needs.

Preferably, with continued reference to FIG. 4, the lifting mechanism 300 further includes a linear bearing 350 and a guide shaft 360. Wherein the linear bearing 350 is disposed on the mounting base plate 310. One end of the guide shaft 360 is fixedly connected with the lower end surface of the moving base 330, and the other end is slidably disposed through the linear bearing 350. The guide shaft 360 can guide the movement of the moving base 330, improving the stability and reliability of the vertical movement of the moving base 330.

Alternatively, in the present embodiment, four guide shafts 360 are provided, and four guide shafts 360 are provided at four corners of the mounting base plate 310. In other embodiments, the number and arrangement of the guide shafts 360 may be other, and may be set according to actual needs.

Further, as shown in fig. 6, the on-off detection mechanism 400 can implement positioning, clamping and on-off testing of the molded case circuit breaker 800. The on-off detection mechanism 400 includes a guide portion 410, a first driving member 430, and two electrode modules 440. The guide portion 410 includes a first guide plate 411, a second guide plate 412, a third guide plate 413, and a fourth guide plate 414, where the first guide plate 411, the second guide plate 412, the third guide plate 413, and the fourth guide plate 414 are connected end to form a receiving cavity 420, and when the molded case circuit breaker 800 is located at the testing station, a portion of the molded case circuit breaker 800 is located in the receiving cavity 420. By providing the guide portion 410, the molded case circuit breaker 800 can be guided into the test station. The fixed end of the first driving member 430 is fixedly connected with the first guide plate 411, the output end of the first driving member 430 is slidably arranged on the first guide plate 411 in a penetrating manner, the output end of the first driving member 430 can be abutted against the side wall of the molded case circuit breaker 800, the molded case circuit breaker 800 is pushed to be abutted against the third guide plate 413, the molded case circuit breaker 800 is fixed between the output end of the first driving member 430 and the third guide plate 413, and the first guide plate 411 and the third guide plate 413 are oppositely arranged. The clamping and positioning of the molded case circuit breaker 800 are realized by arranging the first driving part 430 and the guide part 410, so that the molded case circuit breaker detection device is applicable to molded case circuit breakers 800 with different specifications, and the universality of the molded case circuit breaker detection device is improved. The two electrode modules 440 are respectively disposed on the second guide plate 412 and the fourth guide plate 414, one of the two electrode modules 440 can be electrically connected with the wire inlet end of the molded case circuit breaker 800, the other can be electrically connected with the wire outlet end of the molded case circuit breaker 800, and the two electrode modules 440 are electrically connected, so that the two electrode modules 440 can form a conductive loop with the molded case circuit breaker 800, and then the on-off test of the molded case circuit breaker 800 is performed according to the control signal. In this embodiment, the guide portion 410 is fixedly connected to the lower end surface of the carrier plate 110. The first driving member 430 may be an air cylinder, an electric cylinder or other mechanisms capable of outputting linear motion, and may be set according to actual needs.

Preferably, with continued reference to fig. 6, in the accommodating cavity 420, a limiting block 450 is disposed on the lower end surface of the bearing plate 110, and the limiting block 450 can be abutted with the molded case circuit breaker 800 to limit the molded case circuit breaker 800 to move upwards continuously, so as to ensure that the molded case circuit breaker 800 can be stabilized at the testing station, and be beneficial to improving the accuracy of the measurement result of the molded case circuit breaker 800.

Further, as shown in fig. 7, the electrode module 440 includes a base 441, a plurality of electrodes 442, and a restoring elastic member 443. The base 441 is provided with a plurality of mounting grooves 4411, and the plurality of mounting grooves 4411 are spaced apart along the longitudinal direction of the base 441. The number of the electrodes 442 is the same as that of the mounting grooves 4411, the electrodes 442 and the mounting grooves 4411 are arranged in a one-to-one correspondence, a part of one electrode 442 is mounted in one mounting groove 4411, the electrode 442 is rotationally connected with the base 441, and one end of the electrode 442 can be electrically connected with the wire inlet terminal wire seat or the wire outlet terminal wire seat. In the process that the lifting mechanism 300 lifts the molded case circuit breaker 800 to the testing station, the wire inlet terminal seat and the wire outlet terminal seat of the molded case circuit breaker 800 are in contact with the electrode 442 to realize electric connection, then the molded case circuit breaker 800 continues to move upwards, at this time, the electrode 442 is kept in electric connection with the wire inlet terminal seat and the wire outlet terminal seat of the molded case circuit breaker 800, the reset elastic member 443 is stretched, under the action of elastic restoring force of the reset elastic member 443, the electrode 442 can be reliably and electrically connected with the wire inlet terminal seat and the wire outlet terminal seat of the molded case circuit breaker 800, and the problem that the heights of the wire inlet terminal seat and the wire outlet terminal seat of the molded case circuit breaker 800 with different specifications are not uniform can be solved by arranging the reset elastic member 443, so that the universality of the molded case circuit breaker detection device is improved.

Optionally, a rotation shaft 444 is provided between the electrode 442 and the base 441. Specifically, two ends of the rotating shaft 444 are fixedly connected with the base 441, and the electrode 442 is disposed through the rotating shaft 444 and is rotatably connected with the rotating shaft 444.

Preferably, an arc surface 4421 is provided at an end of the electrode 442 electrically connected to the molded case circuit breaker 800, so as to avoid damage to the wire inlet terminal and the wire outlet terminal of the molded case circuit breaker 800 caused by hard contact between the electrode 442 and the molded case circuit breaker 800. One end of the electrode 442, which is not electrically connected with the molded case circuit breaker 800, is provided with a connection hole 4422, and both ends of the test wire are respectively connected with the connection holes 4422 of the two electrode modules 440, thereby realizing the electrical connection between the two electrode modules 440.

Further, as shown in fig. 8, the trip force detection mechanism 500 includes a Y-direction moving assembly 510, a Z-direction moving assembly 520, a trip bar 530, and a first force sensor 540. The Y-direction moving assembly 510 is disposed on an upper end surface of the table 100, and in this embodiment, on an upper end surface of the carrier plate 110. The Y-direction moving assembly 510 is drivingly connected to the Z-direction moving assembly 520, and the Y-direction moving assembly 510 is capable of driving the Z-direction moving assembly 520 to move in the Y-axis direction. Z moves the subassembly 520 and is connected with the tripping lever 530 drive, and Z moves the subassembly 520 and can drive tripping lever 530 and remove along the Z axis direction, through setting up Y to move subassembly 510 and Z to remove subassembly 520, can make tripping lever 530 along Y axis direction and Z axis direction removal, and then make tripping lever 530 can contact with the tripping switch of moulded case circuit breaker 800 to promote the tripping switch motion, realize the tripping, make tripping force detection mechanism 500 can be compatible with the difference of the tripping switch position of moulded case circuit breaker 800 of different specifications, the flexibility of use is high. The first force sensor 540 is disposed between the Z-moving assembly 520 and the trip bar 530, and is configured to collect trip force information on the trip bar 530, and if the collected trip force information is the same as a system set value, the product is a qualified product, and if the collected trip force information is different from the system set value, the product is a disqualified product. Through setting up first force sensor 540 between Z to remove subassembly 520 and release 530, can make first force sensor 540 can directly gather the tripping force, there is not other factor interference, has improved the accuracy of tripping force detection mechanism 500 testing result.

Optionally, the Y-moving assembly 510 is connected to the Z-moving assembly 520 by a second connection board 550, specifically, one end of the second connection board 550 is connected to the Y-moving assembly 510, and the other end is connected to the Z-moving assembly 520, and the Y-moving assembly 510 can drive the second connection board 550 to move along the Y-axis direction.

Further, the Y-direction moving assembly 510 includes a fifth driving member 511 and a third guide rail 512. The fixed end of the fifth driving member 511 is fixedly coupled to the table 100. In the present embodiment, the fixed end of the fifth driving member 511 is fixedly connected to the upper end surface of the carrier plate 110. The output end of the fifth driving part 511 is connected to the second connection plate 550, the second connection plate 550 is slidably connected to the third guide rail 512, and the third guide rail 512 is connected to the upper end surface of the carrier plate 110 and extends along the Y-axis direction. The fifth driving member 511 may be an air cylinder, an electric cylinder or other mechanisms capable of outputting linear motion, and may be set according to actual needs.

Optionally, a third sliding block 513 is disposed between the second connecting plate 550 and the third guide rail 512, the third sliding block 513 is fixedly connected with the second connecting plate 550, and the third sliding block 513 is slidably connected with the third guide rail 512. By providing the third slider 513, the smoothness and stability of the sliding connection between the second connecting plate 550 and the third guide rail 512 are improved.

Alternatively, the Z-moving assembly 520 may be an air cylinder, an electric cylinder or other mechanisms capable of outputting linear motion, and may be set according to actual needs. Specifically, the fixed end of the Z-moving assembly 520 is fixedly connected to the second connection plate 550, and the output end of the Z-moving assembly 520 can move along the Z-axis direction.

Optionally, a third connection plate 560 is disposed between the Z-direction moving assembly 520 and the first force sensor 540, specifically, the third connection plate 560 is connected to an output end of the Z-direction moving assembly 520, and the first force sensor 540 is disposed on the third connection plate 560. By providing the third connection plate 560, the connection strength between the Z-direction moving assembly 520 and the first force sensor 540 is improved.

Preferably, the trip force detecting mechanism 500 further includes a mounting member 570, the mounting member 570 is connected to a side of the first force sensor 540, which is not connected to the third connecting plate 560, the trip bar 530 is disposed on the mounting member 570, and in order to accommodate different trip positions of the molded case circuit breaker 800 with different specifications, in this embodiment, the mounting member 570 includes a first mounting position and a second mounting position, the trip bar 530 is provided with two, and the two trip bars 530 are respectively connected to the first mounting position and the second mounting position. In other embodiments, the mounting member 570 may have other configurations, as desired.

Further, as shown in fig. 9, the push rod force detection mechanism 600 includes a second driving member 610, a connecting member 620, a push rod 630, and a second force sensor 640. The fixed end of the second driving member 610 is fixedly connected to the lower end surface of the table 100, and in this embodiment, the fixed end of the second driving member 610 is fixedly connected to the lower end surface of the carrier plate 110. The output end of the second driving member 610 is in driving connection with the connecting member 620, and the second driving member 610 can drive the connecting member 620 to move. One end of the push rod 630 is in driving connection with the connection member 620, and the other end can contact with the push rod of the molded case circuit breaker 800 and push the push rod to move. The second force sensor 640 is disposed between the connection member 620 and the jack 630, and is used for collecting push rod force information on the jack 630. During testing, the second driving member 610 drives the connecting member 620 to move, the connecting member 620 drives the second force sensor 640 connected with the connecting member 620 to move, the second force sensor 640 drives the ejector rod 630 connected with the connecting member to move, the ejector rod 630 can push the push rod of the molded case circuit breaker 800, and after the push rod moves in place, the second force sensor 640 tests the push rod force of the ejector rod 630. By arranging the second force sensor 640 between the connecting member 620 and the push rod 630, direct detection of push rod force is realized, environmental interference is avoided, and accuracy of data acquisition is improved. The second driving member 610 may be an air cylinder, an electric cylinder or other mechanisms capable of outputting linear motion, and may be set according to actual needs.

Alternatively, the fixed end of the second driving member 610 is fixedly connected to the lower end surface of the carrier plate 110 through the fourth connecting plate 670, specifically, the end surface of the fourth connecting plate 670 is connected to the fixed end of the second driving member 610, and the side surface of the fourth connecting plate 670 is fixedly connected to the carrier plate 110. By providing the fourth connecting plate 670, the connection strength between the second driving member 610 and the loading plate 110 is improved.

Preferably, the output end of the second driving member 610 is floatingly connected to the connecting member 620 through a floating joint, so that the connecting member 620 can be prevented from being locked during movement.

Preferably, the push rod force detection mechanism 600 further includes a first guide rail 650, where the first guide rail 650 is fixedly connected to the lower end surface of the table 100, specifically, in this embodiment, the first guide rail 650 is fixedly connected to the lower end surface of the carrier plate 110 and extends along the movement direction of the output end of the second driving member 610, and the connecting member 620 is slidably connected to the first guide rail 650. By providing the first guide 650, the stability of the movement of the connection member 620 can be improved, and thus the stability of the movement of the jack 630 can be improved. Optionally, a first slider 660 is disposed between the connecting element 620 and the first rail 650, specifically, the connecting element 620 is fixedly connected to the first slider 660, and the first slider 660 is slidably connected to the first rail 650. By providing the first slider 660, smoothness and stability of sliding between the connection 620 and the first rail 650 are improved.

Further, as shown in fig. 10, the opening/closing force detection mechanism 700 includes a third driving member 710, a mounting plate 720, an opening member 730, a third force sensor 740, a closing member 750, and a fourth force sensor 760. The fixed end of the third driving member 710 is fixedly connected with the upper end surface of the workbench 100, and in this embodiment, the fixed end of the third driving member 710 is fixedly connected with the upper end surface of the carrier plate 110. The third driving member 710 may be an air cylinder, an electric cylinder or other mechanisms capable of outputting linear motion, and may be set according to actual needs. The output end of the third driving member 710 is in driving connection with the mounting plate 720, and the third driving member 710 is capable of driving the mounting plate 720 to move, and the mounting plate 720 includes a first connection portion 721 and a second connection portion 722. The brake separating member 730 is connected to the first connecting portion 721, and the third force sensor 740 is disposed between the first connecting portion 721 and the brake separating member 730 for acquiring brake separating force information on the brake separating member 730. By arranging the third force sensor 740 on the first connection part 721 and the brake separating member 730, brake separating force information of the brake separating member 730 can be directly acquired, environmental interference is avoided, and accuracy of data acquisition is improved. The closing member 750 is connected to the second connection portion 722, and the fourth force sensor 760 is disposed between the second connection portion 722 and the closing member 750, and is used for collecting closing force information on the closing member 750. By arranging the fourth force sensor 760 on the second connection portion 722 and the closing member 750, closing force information of the closing member 750 can be directly acquired, environmental interference is avoided, and accuracy of data acquisition is improved. When the output end of the third driving member 710 is extended, the opening member 730 contacts the handle of the molded case circuit breaker 800 and pushes the handle to complete the opening action, and when the output end of the third driving member 710 is retracted, the closing member 750 contacts the handle and pushes the handle to complete the closing action.

Preferably, the opening and closing force detection mechanism 700 further includes a second guide rail 770, where the second guide rail 770 is fixedly connected to the upper end surface of the working platform 100, specifically, in this embodiment, the second guide rail 770 is fixedly connected to the upper end surface of the carrier plate 110 and extends along the movement direction of the output end of the third driving member 710, and the mounting plate 720 is slidably connected to the second guide rail 770. By providing the second guide rail 770, the stability of the movement of the mounting plate 720 can be improved, and thus the stability of the movement of the closing member 750 and the opening member 730 can be improved. Optionally, a second slider 780 is disposed between the mounting plate 720 and the second guide rail 770, specifically, the mounting plate 720 is fixedly connected to the second slider 780, and the second slider 780 is slidably connected to the second guide rail 770. By providing the second slider 780, smoothness and stability of sliding between the mounting plate 720 and the second guide rail 770 are improved.

Alternatively, with continued reference to fig. 10, in the present embodiment, the first connection portion 721 and the second connection portion 722 are disposed opposite to each other. In other embodiments, the first connection portion 721 and the second connection portion 722 may be arranged in other manners, and may be arranged according to actual needs.

Preferably, the heads of the opening member 730 and the closing member 750 are semi-circular arc, so that the damage to the handle when the opening member 730 and the closing member 750 are in contact with the handle can be avoided.

The utility model provides a moulded case circuit breaker detection device can realize moulded case circuit breaker 800 break-make, tripping force, push rod power and the integration automatic test of breaking and closing the brake force, and test efficiency is higher, simple structure can realize the real-time summarization of test data, and can compatible moulded case circuit breaker 800 of different specifications, has higher universality.

The invention also provides a detection method of the molded case circuit breaker, which is realized based on the detection device of the molded case circuit breaker, as shown in fig. 11, and comprises the following steps:

s100, adjusting initial positions of an on-off detection mechanism 400, a tripping force detection mechanism 500, a push rod force detection mechanism 600 and an opening and closing force detection mechanism 700 according to the specification of the molded case circuit breaker 800;

specifically, an operator inputs the specifications of the molded case circuit breaker 800 currently under test in the control system. The system automatically adjusts the initial position of each test component in the test device according to the specification of the molded case circuit breaker 800.

S200, conveying the molded case circuit breaker 800 to a to-be-tested station by a conveying mechanism 200;

s300, lifting the molded case circuit breaker 800 to a testing station by a lifting mechanism 300, and keeping a lifting state;

specifically, the output end of the fourth driver 320 remains in an extended state.

S400, the on-off detection mechanism 400 clamps and fixes the molded case circuit breaker 800, the on-off detection mechanism 400 detects the on-off of the molded case circuit breaker 800, and meanwhile, the on-off force detection mechanism 700 detects the on-off force of the molded case circuit breaker 800, and the specific steps are as follows:

s410, after the molded case circuit breaker 800 is lifted to the testing station, the first driving member 430 acts to attach the right side surface of the molded case circuit breaker 800 to the third guide plate 413. And the electrode 442 automatically contacts and conducts with the wire inlet terminal seat and the wire outlet terminal seat of the molded case circuit breaker 800 under the action of the reset elastic member 443, so as to form a conducting loop.

S420, the third driving part 710 repeatedly drives the opening part 730 and the closing part 750 to perform opening and closing operations, and the electrode module 440 performs on-off detection on the molded case circuit breaker 800 while performing opening and closing operations each time, the third force sensor 740 detects opening force, and the fourth force sensor 760 detects closing force;

specifically, if the closing state conduction loop of the molded case circuit breaker 800 is not conducted or the opening state conduction loop of the molded case circuit breaker 800 is not conducted, the on-off test of the molded case circuit breaker 800 is abnormal, the molded case circuit breaker 800 needs to be repaired, the test is stopped at the moment, the molded case circuit breaker 800 is automatically discharged as a defective product, and otherwise, the molded case circuit breaker 800 passes the on-off test.

Further, in the on-off test, the on-off force is tested while the molded case circuit breaker 800 is repeatedly operated to switch on and off, and when the switch-off member 730 and the switch-on member 750 are contacted with the handle and switch on and off, the third force sensor 740 and the fourth force sensor 760 each automatically test the on-off force, and the force value is automatically recorded by the system. And comparing the tested force value with the set force value, automatically discharging the unqualified molded case circuit breaker 800, and entering the next test by the qualified molded case circuit breaker 800.

S430, after the on-off detection and the on-off force detection are completed, the lifting mechanism 300 places the unqualified molded case circuit breaker 800 on the conveying mechanism 200, the unqualified molded case circuit breaker 800 is automatically discharged by an unqualified discharging mechanism on the conveying mechanism 200, and the qualified molded case circuit breaker 800 enters the next test;

s440, the third driving piece 710 drives the closing piece 750 to push the handle of the molded case circuit breaker 800 to a closing position;

s500, a tripping force detection mechanism 500 detects tripping force of the molded case circuit breaker 800, and the specific steps are as follows:

s510, driving the Z-direction moving component 520 to a first designated position by the Y-direction moving component 510, and driving the tripping rod 530 to contact with a tripping switch of the molded case circuit breaker 800 by the Z-direction moving component 520, and completing tripping operation, and simultaneously detecting the tripping force of the tripping rod 530 by the first force sensor 540;

Specifically, after the trip bar 530 moves to the trip position, which trip bar 530 is used for trip is selected according to the trip position of the molded case circuit breaker 800, and the two trip bars 530 do not operate the molded case circuit breaker 800 to trip at the same time. And the system automatically arranges the unqualified products for failure according to the comparison between the tripping force test value and the set value, and the qualified products are subjected to the next test.

S520, after the trip force detection is completed, the lifting mechanism 300 places the unqualified molded case circuit breaker 800 on the conveying mechanism 200, the unqualified molded case circuit breaker 800 is automatically discharged by the poor discharging mechanism, and the qualified molded case circuit breaker 800 enters the next test;

s530, the third driving piece 710 drives the closing piece 750 to push the handle to a closing position;

s600, a push rod force detection mechanism 600 detects push rod force of the molded case circuit breaker 800, and the specific steps are as follows:

s610, the second driving piece 610 drives the ejector rod 630 to a second designated position, and enables the ejector rod 630 to push against the push rod of the molded case circuit breaker 800 until the molded case circuit breaker 800 is tripped, and meanwhile, the second force sensor 640 detects the push rod force of the ejector rod 630;

s620, after the push rod force detection is completed, the lifting mechanism 300 places the unqualified molded case circuit breaker 800 on the conveying mechanism 200, the unqualified molded case circuit breaker 800 is automatically discharged by the poor discharging mechanism, and the qualified molded case circuit breaker 800 enters the next procedure;

S700, ending the test.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. Plastic case circuit breaker detection device, its characterized in that includes:

a work table (100);

the conveying mechanism (200) is arranged below the workbench (100) and is used for conveying the molded case circuit breaker (800) to a to-be-tested working position;

the lifting mechanism (300) is arranged below the workbench (100), and the lifting mechanism (300) can lift the molded case circuit breaker (800) positioned at the to-be-tested working position to a testing working position and place the detected molded case circuit breaker (800) on the conveying mechanism (200);

the on-off detection mechanism (400) is arranged on the workbench (100), and the on-off detection mechanism (400) can fix the molded case circuit breaker (400) and perform on-off detection on the molded case circuit breaker (800) positioned at the test station;

The tripping force detection mechanism (500) is arranged on the workbench (100), and the tripping force detection mechanism (500) can detect the tripping force of the molded case circuit breaker (800) at the test station;

a push rod force detection mechanism (600) arranged on the workbench (100), wherein the push rod force detection mechanism (600) can detect push rod force of the molded case circuit breaker (800) positioned at the test station;

the opening and closing force detection mechanism (700) is arranged on the workbench (100), and the opening and closing force detection mechanism (700) can detect the opening and closing force of the molded case circuit breaker (800) at the test station.

2. The molded case circuit breaker detection device according to claim 1, wherein the on-off detection mechanism (400) includes:

the guide part (410) is fixedly connected with the lower end face of the workbench (100), the guide part (410) comprises a first guide plate (411), a second guide plate (412), a third guide plate (413) and a fourth guide plate (414), the first guide plate (411), the second guide plate (412), the third guide plate (413) and the fourth guide plate (414) are connected end to form a containing cavity (420), and when the molded case circuit breaker (800) is located at the test station, part of the molded case circuit breaker (800) is located in the containing cavity (420);

The first driving piece (430), the fixed end of the first driving piece (430) is fixedly connected with the first guide plate (411), the output end of the first driving piece (430) is arranged in a sliding penetrating mode on the first guide plate (411), the output end of the first driving piece (430) can be abutted to the side wall of the molded case circuit breaker (800) and push the molded case circuit breaker (800) to be abutted to the third guide plate (413), so that the molded case circuit breaker (800) is fixed between the output end of the first driving piece (430) and the third guide plate (413), and the first guide plate (411) and the third guide plate (413) are arranged oppositely;

the two electrode modules (440) are respectively arranged on the second guide plate (412) and the fourth guide plate (414), one of the two electrode modules (440) can be electrically connected with a wire inlet terminal wire seat of the molded case circuit breaker (800), the other electrode module can be electrically connected with a wire outlet terminal wire seat of the molded case circuit breaker (800), and the two electrode modules (440) are electrically connected, so that the two electrode modules (440) can form a conducting loop with the molded case circuit breaker (800).

3. The molded case circuit breaker detection device according to claim 2, wherein the electrode module (440) comprises:

A base (441), wherein a plurality of mounting grooves (4411) are formed in the base (441), and the plurality of mounting grooves (4411) are arranged at intervals along the length direction of the base (441);

the electrodes (442) are arranged in one-to-one correspondence with the mounting grooves (4411), the electrodes (442) are rotationally connected with the base (441), and one end of each electrode (442) can be electrically connected with the wire inlet end or the wire outlet end;

and a reset elastic piece (443) arranged between the electrode (442) and the bottom wall of the mounting groove (4411), wherein one end of the reset elastic piece (443) is connected with the electrode (442), and the other end is connected with the bottom wall of the mounting groove (4411).

4. The molded case circuit breaker detection device according to claim 1, wherein the trip force detection mechanism (500) includes:

the Y-direction moving assembly (510) is arranged on the upper end surface of the workbench (100);

the Y-direction moving assembly (510) is in driving connection with the Z-direction moving assembly (520), and the Y-direction moving assembly (510) can drive the Z-direction moving assembly (520) to move along the Y-axis direction;

the Z-direction moving assembly (520) is in driving connection with the tripping rod (530), the Z-direction moving assembly (520) can drive the tripping rod (530) to move along the Z-axis direction, and the tripping rod (530) can be in contact with a tripping switch of the molded case circuit breaker (800) and push the tripping switch to move;

And the first force sensor (540) is arranged between the Z-direction moving assembly (520) and the tripping rod (530) and is used for collecting tripping force information on the tripping rod (530).

5. The molded case circuit breaker detection device of claim 1, wherein the push rod force detection mechanism (600) comprises:

the fixed end of the second driving piece (610) is fixedly connected with the lower end face of the workbench (100);

the output end of the second driving piece (610) is in driving connection with the connecting piece (620), and the second driving piece (610) can drive the connecting piece (620) to move;

one end of the ejector rod (630) is in transmission connection with the connecting piece (620), and the other end of the ejector rod can be in contact with the push rod of the molded case circuit breaker (800) and push the push rod to move;

and the second force sensor (640) is arranged between the connecting piece (620) and the ejector rod (630) and is used for collecting push rod force information on the ejector rod (630).

6. The molded case circuit breaker detection device of claim 5, wherein the push rod force detection mechanism (600) further comprises:

the first guide rail (650) is fixedly connected with the lower end surface of the workbench (100) and extends along the movement direction of the output end of the second driving piece (610), and the connecting piece (620) is in sliding connection with the first guide rail (650).

7. The molded case circuit breaker detection device according to claim 1, wherein the opening/closing force detection mechanism (700) includes:

the fixed end of the third driving piece (710) is fixedly connected with the upper end surface of the workbench (100);

the output end of the third driving piece (710) is in driving connection with the mounting plate (720), the third driving piece (710) can drive the mounting plate (720) to move, and the mounting plate (720) comprises a first connecting part (721) and a second connecting part (722);

a brake release member (730) connected to the first connection portion (721);

a third force sensor (740) disposed between the first connection part (721) and the brake release member (730) for acquiring brake release force information on the brake release member (730);

a closing member (750) connected to the second connection portion (722);

a fourth force sensor (760) disposed between the second connection portion (722) and the closing member (750) for acquiring closing force information on the closing member (750);

when the output end of the third driving piece (710) stretches out, the opening piece (730) is in contact with the handle of the molded case circuit breaker (800) and pushes the handle to complete opening action, and when the output end of the third driving piece (710) retracts, the closing piece (750) is in contact with the handle and pushes the handle to complete closing action.

8. The molded case circuit breaker detection device according to claim 7, wherein the opening/closing force detection mechanism (700) further comprises:

and the second guide rail (770) is fixedly connected with the upper end surface of the workbench (100) and extends along the movement direction of the output end of the third driving piece (710), and the mounting plate (720) is in sliding connection with the second guide rail (770).

9. The molded case circuit breaker detection apparatus according to any one of claims 1 to 7, wherein the lifting mechanism (300) comprises:

a mounting base plate (310) connected to the table (100);

the fixed end of the fourth driving piece (320) is fixedly connected with the mounting bottom plate (310);

the output end of the fourth driving piece (320) penetrates through the mounting bottom plate (310) to be in driving connection with the moving bottom plate (330), and the fourth driving piece (320) can drive the moving bottom plate (330) to move along the vertical direction;

and the tail end bearing piece (340) is fixedly connected with the moving bottom plate (330), when the output end of the fourth driving piece (320) stretches out, the tail end bearing piece (340) lifts the molded case circuit breaker (800) to the testing station, and when the output end of the fourth driving piece (320) retracts, the tail end bearing piece (340) places the molded case circuit breaker (800) on the conveying mechanism (200).

10. A molded case circuit breaker detection method realized based on the molded case circuit breaker detection device according to any one of claims 1 to 9, characterized by comprising the steps of:

the initial positions of the on-off detection mechanism (400), the tripping force detection mechanism (500), the push rod force detection mechanism (600) and the opening and closing force detection mechanism (700) are adjusted according to the specification of the molded case circuit breaker (800);

the conveying mechanism (200) conveys the molded case circuit breaker (800) to a to-be-tested working site;

lifting the molded case circuit breaker (800) to a testing station by a lifting mechanism (300) and keeping a lifting state;

the on-off detection mechanism (400) clamps and fixes the molded case circuit breaker (800), the on-off detection mechanism (400) detects the on-off of the molded case circuit breaker (800), and meanwhile, the on-off force detection mechanism (700) detects the on-off force of the molded case circuit breaker (800);

the tripping force detection mechanism (500) detects the tripping force of the molded case circuit breaker (800);

the push rod force detection mechanism (600) detects push rod force of the molded case circuit breaker (800);

and (5) ending the test.