CN113447805A

CN113447805A - Circuit breaker testing device

Info

Publication number: CN113447805A
Application number: CN202110727688.3A
Authority: CN
Inventors: 陈久强; 高巍巍; 桑宇鹏
Original assignee: Wenzhou Business College
Current assignee: Wenzhou Business College
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-09-28

Abstract

The invention discloses a circuit breaker testing device in the technical field of circuit breaker testing devices, which comprises a wiring device and a testing platform, wherein the testing platform is an annular platform rotationally connected to an underframe, a first vertical frame is arranged on the inner side of the testing platform, the upper part of the first vertical frame is slidably connected with the wiring device, a power device used for driving the testing platform to rotate is further arranged on one side of the first vertical frame, the power device provides driving force through the wiring device, a reset spring used for assisting the wiring device to move upwards and reset is arranged on the lower side of the wiring device, a traction device used for assisting the wiring device to move downwards is arranged on the front side of the first vertical frame, a positioning device used for positioning the testing platform is further arranged on one side of the traction device, and a second station used for placing and taking a circuit breaker is arranged on the opposite side of the first vertical frame of the testing platform.

Description

Circuit breaker testing device

Technical Field

The invention relates to the technical field of circuit breaker testing devices, in particular to a circuit breaker testing device.

Background

Chinese patent CN201721738782.4 discloses a circuit breaker testing device, which includes a working platform for placing a circuit board, the working platform is connected with a wiring device in a sliding manner, the sliding direction of the wiring device is perpendicular to the working platform, the wiring device is close to or far away from the upper surface of the working platform, the wiring device includes a fixed plate, three positive terminals and three negative terminals, the positive terminals are electrically connected to the positive poles of a three-phase power supply, the negative poles of the three-phase power supply are electrically connected to the negative terminals, a control panel is coupled between the positive terminals and the positive poles of the three-phase power supply, and a load is coupled between the negative terminals and the negative poles of the three-phase power supply; control panel control circuit switches on and cuts off, and is three positive terminal distributes along the length direction of fixed plate, and is three negative terminal and three the positive wiring sets up relatively, positive terminal and negative terminal are fixed in the fixed plate one side towards work platform, control panel is connected with display device, display device is used for the test and shows the value of pressure drop.

The specific working process of the tester is as follows: the method comprises the steps of taking a circuit breaker to be tested and placing the circuit breaker on a working platform, operating a control handle to test, operating the control handle to reset a wiring device, taking the circuit breaker down from the working platform and placing the circuit breaker into a good product area or a defective product area. And when one breaker is tested, a tester needs to perform four actions, so that the testing efficiency is low.

Based on the above, the invention designs a circuit breaker testing device to solve the above problems.

Disclosure of Invention

In order to solve the above problems, the present invention provides the following technical solutions:

the utility model provides a circuit breaker testing arrangement, includes termination and test platform, test platform is for rotating the annular platform of connection on the chassis, the test platform inboard is equipped with first grudging post, first grudging post upper portion sliding connection has termination, first grudging post one side still is equipped with and is used for driving the rotatory power device of test platform, power device provides drive power by termination, the termination downside is equipped with and is used for assisting termination to shift up the reset spring who resets, first grudging post front side is equipped with and is used for assisting the draw gear that termination moved down, draw gear one side still is equipped with the positioner who is used for the test platform location, test platform is equipped with the second station of placing and taking the circuit breaker in first grudging post offside.

During the use, the staff that is located the second station, the circuit breaker that has tested on the continuous test platform takes off, puts in yields district or defective products district, distinguishes the foundation of good products and defective products and just sees whether there is the mark on the circuit breaker. The circuit breaker to be tested is then placed in the empty placement area. The testing personnel who is located first station constantly pulls down and lifts termination, accessible power device makes the rotatory fixed angle of test platform when lifting, then fixes test platform through positioner, and test platform takes place to rotate when preventing to drop down. The circuit breaker is tested when the testing device is pulled down, if the testing device is qualified, the positioning of the testing platform is immediately released through the positioning device, if the testing platform is unqualified, a mark is marked on an unqualified product, and the circuit breaker is convenient for workers at a second station to distinguish. When the wiring device moves downwards, the foot treading traction device can assist the arm to overcome the elastic force of the return spring, and when the wiring device moves upwards, the return spring can assist the arm to overcome the resistance when the wiring device moves upwards. The staff of first station only is responsible for controlling termination and moves down and reset, and second station personnel only are responsible for putting and get the circuit breaker for test speed, simultaneously because second staff's work is comparatively simple, can be close to two testing arrangement and place, and then second station personnel can carry out putting of circuit breaker to two devices simultaneously and get, practices thrift manpower resources greatly.

As a further scheme of the invention, a plurality of placing areas for placing the circuit breakers are uniformly and fixedly arranged on the upper end surface of the test platform, the underframe comprises an annular slide rail and a support column fixedly connected to the bottom end of the annular slide rail, the section of the annular slide rail is in a concave shape, three slide plates are uniformly and fixedly connected to the lower end of the test platform, and the slide plates are slidably connected in the annular slide rail.

During operation, the circuit breaker is not only conveniently positioned in the placing area, but also the circuit breaker is conveniently taken out through the openings around the placing area. The test platform can slide on the slide rail.

As a further scheme of the invention, the middle part of the first vertical frame is of a hollow structure, the wiring device comprises a lifting plate which is connected in the first vertical frame in a sliding manner, the middle part of the front side of the lifting plate is fixedly connected with a junction box, a power supply and a load are arranged in the junction box, a display panel is arranged on the surface of the junction box, and the lower end of the junction box is respectively provided with a positive wiring head and a negative wiring head; the positive connector lug and the negative connector lug both comprise a connecting cylinder fixedly mounted at the lower end of the junction box and a connecting rod connected in the cylinder in a sliding manner, a connecting spring is arranged in the connecting cylinder, and a contact is arranged at the lower end of the connecting rod.

When the lifting plate moves the wiring device to move downwards, the positive connector lug and the negative connector lug can be respectively contacted with the positive electrode and the negative electrode of the circuit breaker, the circuit is communicated, and whether the voltage difference between two ends of the circuit breaker on the display panel is zero or not is observed, so that whether the circuit breaker is qualified or not is judged. The positive terminal lug and the negative terminal lug are in contact with the contact of the circuit breaker, and the wiring spring can be compressed, so that the circuit breaker connector is prevented from being crushed, and the connection can be more stable.

As a further scheme of the invention, two sides of the front end of the lifting plate are respectively provided with a lifting rod, the outer side of the other end of the lifting rod is fixedly connected with a handle, a pressure rod is connected in a circular groove at the other end of the lifting rod on the right side in a sliding manner, a marking spring is further arranged in the circular groove, the lower end of the pressure rod is fixedly connected with an extension rod, and a color marking pen is inserted at the lower end of the extension rod.

Can control termination through lifting the pull rod and reciprocate, if meet the unable good product and can press the depression bar with the thumb of right hand, the mark spring is compressed, and the depression bar drives the extension rod and removes, makes the color marking pen beat the mark on unqualified circuit breaker.

As a further scheme of the invention, the power device comprises a connecting cylinder fixedly connected to the rear end of the lifting plate, a connecting rod is connected in the connecting cylinder in a sliding manner, the other end of the connecting rod is fixedly connected with a rack, the rack is meshed with a gear, the gear is fixedly connected with a rotating shaft, the other end of the rotating shaft is fixedly connected with a bevel gear, the bevel gear is meshed with a bevel gear ring arranged on the inner side of the test platform, and the rotating shaft is arranged on the first vertical frame through a bearing plate; the rack is constrained by the track plate, is engaged with the gear when moving upwards, and is separated from the gear when moving downwards.

As a further scheme of the invention, a track groove is formed in one side of the track plate close to the rack, the track groove comprises an upper moving groove, a lower moving groove, a disengaging groove and a returning groove, the upper moving groove is closer to the gear than the lower moving groove, the depths of the whole section of the disengaging groove and the initial section of the lower moving groove are greater than the depth of the tail end of the upper moving groove, a climbing slope with the depth gradually decreasing from top to bottom is formed in the upper part of the lower moving groove, the depth of the initial section of the upper moving groove is greater than the depth of the returning groove, and a climbing slope with the depth gradually decreasing from bottom to top is formed in the lower part of the upper moving groove; connecting rod one side is equipped with the guide, the guide includes the head of leading of sliding connection in the track inslot, it is connected with the connecting rod through the telescopic link to lead head one end, the telescopic link overcoat is equipped with guide spring.

When the wiring device moves downwards, the lifting plate drives the connecting cylinder and the connecting rod to synchronously move downwards so as to drive the rack to move downwards, but at the moment, the guide piece is positioned in the downwards moving groove, so that the rack is not meshed with the gear, and the rotation of the test platform is avoided. In the process that the rack moves down, the guide part can climb along a climbing slope, the guide spring is compressed until the guide head enters the starting end of the regression groove, the upper end of the rack is lower than the gear at the moment, after the guide head enters the regression groove, the rack is close to the gear, and the connecting rod slides out of one section outwards along the connecting cylinder. When leading the head and sliding to the end that returns the groove, under the effect of guide spring, the telescopic link extension, lead the head and get into the initial end that shifts up the groove, then termination moves up, and the rack also shifts up thereupon, moves in-process rack and gear engagement last, and the rack can drive gear revolve, and then drives bevel gear and rotate, and bevel gear drives the rotation of bevel gear circle, and then drives test platform and rotate. And (4) moving the circuit breaker under the wiring device after the test is completed, and moving the circuit breaker to be tested to the position under the wiring device. When the guide head moves to the tail end of the upward moving groove, the guide head further breaks away from the starting end of the groove deeper under the action of the guide spring. At the moment, the rack and the gear are separated, the wiring device moves downwards again, and the guide head enters the downward moving groove through the separating groove again.

As a further scheme of the invention, the traction device comprises a first pedal, the first pedal is connected with the second vertical frame in a sliding manner, a traction rope is fixedly connected to the rear end of the first pedal, the traction rope passes through a rope hole of the second vertical frame, a rope hole on the front side of the first vertical frame and a rope hole of the transverse plate, the other end of the traction rope is fixedly connected with the lifting plate, and the upper end and the lower end of the reset spring are respectively fixedly connected with the lifting plate and the transverse plate.

When the wiring device moves downwards, the first pedal can be trampled, the lifting plate is pulled downwards through the traction rope, the elastic force of the reset spring is overcome, and the wiring device is easier to move downwards through the arm. When the wiring device moves upwards, the first pedal is released, and the elastic force of the return spring can overcome the resistance of part of the wiring device when moving upwards, so that the burden of the arm is reduced.

As a further scheme of the invention, the positioning device comprises a third vertical frame, the upper part of the third vertical frame is slidably connected with a second pedal, the lower end of the second pedal is fixedly connected with a positioning spring, the upper end of the second pedal is fixedly connected with a positioning rod, the positioning rod is inserted into a positioning hole at the lower end of the test platform, the positioning holes are uniformly distributed at the lower end of the test platform, and the number of the positioning holes is the same as that of the placing areas.

When the guide piece slides in the groove that moves up, rack and gear engagement need trample the second footboard this moment, prevent that the locating lever from interfering the test platform rotation. When the guide piece moves to the tail end of the upward moving groove, the rack is disengaged from the gear, the second pedal is loosened, and the positioning rod is inserted into the positioning hole under the action of the positioning spring to prevent the test platform from rotating. The pedal can be loosened after the test platform rotates, the positioning rod is naturally inserted into the positioning hole when the next positioning hole is met, and the rack is disengaged from the gear at the moment.

Advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

and the staff positioned at the second station continuously takes down the tested circuit breaker on the test platform and places the circuit breaker in a good product area or a defective product area, and the basis for distinguishing the good product and the defective product is to see whether the circuit breaker is marked or not. The circuit breaker to be tested is then placed in the empty placement area. The testing personnel who is located first station constantly pulls down and lifts termination, accessible power device makes the rotatory fixed angle of test platform when lifting, then fixes test platform through positioner, and test platform takes place to rotate when preventing to drop down. The circuit breaker is tested when the testing device is pulled down, if the testing device is qualified, the positioning of the testing platform is immediately released through the positioning device, if the testing platform is unqualified, a mark is marked on an unqualified product, and the circuit breaker is convenient for workers at a second station to distinguish. When the wiring device moves downwards, the foot treading traction device can assist the arm to overcome the elastic force of the return spring, and when the wiring device moves upwards, the return spring can assist the arm to overcome the resistance when the wiring device moves upwards. The staff of first station only is responsible for controlling termination and moves down and reset, and second station personnel only are responsible for putting and get the circuit breaker for test speed, simultaneously because second staff's work is comparatively simple, can be close to two testing arrangement and place, and then second station personnel can carry out putting of circuit breaker to two devices simultaneously and get, practices thrift manpower resources greatly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a bottom view of the test platform of the present invention;

FIG. 3 is a schematic view of the power plant and the traction apparatus of the present invention;

FIG. 4 is a schematic view of a wiring device according to the present invention;

FIG. 5 is a schematic view of a positive terminal structure according to the present invention;

FIG. 6 is a schematic structural view of a track slab according to the present invention;

fig. 7 is a first cross-sectional structural view of the track slab of the present invention;

fig. 8 is a second cross-sectional structural view of the track slab of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-wiring device, 2-testing platform, 3-first vertical frame, 4-power device, 5-reset spring, 6-traction device, 7-positioning device, 9-placing area, 10-annular slide rail, 11-supporting column, 12-sliding plate, 13-lifting plate, 14-wiring box, 15-positive wiring head, 16-negative wiring head, 17-wiring barrel, 18-wiring rod, 19-wiring spring, 20-contact, 21-lifting rod, 22-handle, 23-pressure rod, 24-marking spring, 25-extension rod, 26-color marking pen, 27-connection barrel, 28-connection rod, 29-rack, 30-gear, 31-rotating shaft, 32-bevel gear ring, 33-a track plate, 34-an upper moving groove, 35-a lower moving groove, 36-a disengaging groove, 37-a returning groove, 38-climbing, 39-a guide piece, 40-a guide head, 41-a telescopic rod, 42-a guide spring, 43-a first pedal, 44-a second vertical frame, 45-a traction rope, 46-a transverse plate, 47-a third vertical frame, 48-a second pedal, 49-a positioning rod and 50-a positioning hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution:

the utility model provides a circuit breaker testing arrangement, includes termination 1 and test platform 2, test platform 2 is for rotating the annular platform of connection on the chassis, 2 inboards of test platform are equipped with

first grudging post

3, 3 upper portion sliding connection in first grudging post have termination 1, 3 one sides in first grudging post still are equipped with and are used for driving 2 rotatory power device 4 of test platform, power device 4 provides drive power by termination 1, 1 downside of termination is equipped with and is used for supplementary termination 1 to shift up reset spring 5 that resets, 3 front sides in first grudging post are equipped with and are used for supplementary termination 1 draw gear 6 that moves down, 6 one side in draw gear still is equipped with the positioner 7 that is used for 2 location of test platform, test platform 2 is equipped with the second station of placing and taking the circuit breaker in 3 offside in first grudging post.

During the use, the staff that is located the second station, the circuit breaker that has tested on continuous with testing platform 2 takes off, puts in yields district or defective products district, distinguishes the foundation of good products and defective products and just sees whether there is the mark on the circuit breaker. The circuit breaker to be tested is then placed in the empty placement area 9. The tester who is located first station constantly pulls down and lifts termination 1, accessible power device 4 makes the rotatory fixed angle of test platform 2 when lifting, then fixes test platform 2 through positioner 7, and test platform 2 takes place to rotate when preventing to pull down. The circuit breaker is tested when the testing device is pulled down, if the testing device is qualified, the positioning of the testing platform 2 is immediately released through the positioning device 7, and if the testing platform is unqualified, a mark is marked on an unqualified product, so that the circuit breaker can be distinguished by workers at a second station conveniently. When the wiring device 1 moves downwards, the foot-operated traction device 6 can assist the arm to overcome the elastic force of the return spring 5, and when the wiring device 1 moves upwards, the return spring 5 can assist the arm to overcome the resistance when the arm moves upwards. The staff of first station only is responsible for controlling termination 1 and moves down and reset, and second station personnel only are responsible for putting and get the circuit breaker for test speed, simultaneously because second staff's work is comparatively simple, can be close to two testing arrangement and place, and then second station personnel can carry out putting of circuit breaker to two devices simultaneously and get, practices thrift manpower resources greatly.

As an embodiment of the invention, a plurality of placing areas 9 for placing circuit breakers are uniformly and fixedly installed on the upper end surface of the test platform 2, the chassis comprises an annular slide rail 10 and a support column 11 fixedly connected to the bottom end of the annular slide rail 10, the section of the annular slide rail 10 is in a shape of Chinese character 'ao', the lower end of the test platform 2 is uniformly and fixedly connected with three sliding plates 12, and the sliding plates 12 are slidably connected in the annular slide rail 10.

During operation, the circuit breaker is convenient to position in the placing area 9, and the circuit breaker is convenient to take out through openings around the placing area 9. The test platform 2 can slide on the slide rails.

As an embodiment of the present invention, the middle part of the first vertical frame 3 is a hollow structure, the wiring device 1 includes a lifting plate 13 slidably connected in the first vertical frame 3, a junction box 14 is fixedly connected to the middle part of the front side of the lifting plate 13, a power supply and a load are arranged in the junction box 14, a display panel is arranged on the surface of the junction box 14, and a positive terminal 15 and a negative terminal 16 are respectively arranged at the lower end of the junction box 14; the positive connector lug 15 and the negative connector lug 16 both comprise a connecting tube 17 fixedly mounted at the lower end of the junction box 14 and a connecting rod 18 connected in the connecting tube in a sliding manner, a connecting spring 19 is arranged in the connecting tube 17, and a contact 20 is arranged at the lower end of the connecting rod 18.

During operation, when the lifting plate 13 drives the wiring device 1 to move downwards, the positive connector lug 15 and the negative connector lug 16 can be respectively contacted with the positive pole and the negative pole of the circuit breaker, the circuit is communicated, and whether the voltage difference between two ends of the circuit breaker on the display panel is zero or not is observed, so that whether the judgment is qualified or not is judged. The positive terminal 15 and the negative terminal 16 are compressed after contacting the contacts of the circuit breaker, so that on the one hand, the circuit breaker terminals are prevented from being crushed, and on the other hand, the connection is more stable.

As an embodiment of the present invention, two sides of the front end of the lifting plate 13 are respectively provided with a lifting rod 21, the outer side of the other end of the lifting rod 21 is fixedly connected with a handle 22, a pressure rod 23 is slidably connected in a circular groove at the other end of the lifting rod 21 on the right side, a marking spring 24 is further arranged in the circular groove, the lower end of the pressure rod 23 is fixedly connected with an extension rod 25, and the lower end of the extension rod 25 is inserted with a color marking pen 26.

The wiring device 1 can be controlled to move up and down through the lifting rod 21, if a poor product is met, the pressing rod 23 can be pressed by the thumb of the right hand, the marking spring 24 is compressed, the pressing rod 23 drives the extension rod 25 to move, and the color marking pen 26 is enabled to mark on the unqualified breaker.

As an embodiment of the present invention, the power device 4 includes a connecting cylinder 27 fixedly connected to the rear end of the lifting plate 13, a connecting rod 28 is slidably connected in the connecting cylinder 27, a rack 29 is fixedly connected to the other end of the connecting rod 28, the rack 29 is engaged with a gear 30, the gear 30 is fixedly connected with a rotating shaft 31, the other end of the rotating shaft 31 is fixedly connected with a bevel gear 30, the bevel gear 30 is engaged with a bevel gear ring 32 mounted on the inner side of the test platform 2, and the rotating shaft 31 is mounted on the first vertical frame 3 through a bearing plate; the rack 29 is engaged with the gear 30 when moving upward and disengaged from the gear 30 when moving downward by being constrained by the rail plate 33.

As an embodiment of the present invention, a rail groove is provided on one side of the rail plate 33 close to the rack 29, the rail groove includes an upper moving groove 34, a lower moving groove 35, a disengaging groove 36 and a returning groove 37, the upper moving groove 34 is closer to the gear 30 than the lower moving groove 35, the depths of the entire disengaging groove 36 and the initial section of the lower moving groove 35 are greater than the depth of the end of the upper moving groove 34, the upper portion of the lower moving groove 35 is provided with a climbing slope 38 whose depth is gradually decreased from top to bottom, the depth of the initial section of the upper moving groove 34 is greater than the depth of the returning groove 37, and the lower portion of the upper moving groove 34 is provided with a climbing slope 38 whose depth is gradually decreased from bottom to top; connecting rod 28 one side is equipped with guide 39, guide 39 includes sliding connection at the guide 40 of track inslot, guide 40 one end is passed through telescopic link 41 and is connected with connecting rod 28, the telescopic link 41 overcoat is equipped with guide spring 42.

When the wiring device 1 moves downwards, the lifting plate 13 drives the connecting cylinder 27 and the connecting rod 28 to synchronously move downwards, so that the rack 29 is driven to move downwards, but because the guide piece 39 is positioned in the downward movement groove 35, the rack 29 and the gear 30 are not meshed at the moment, and the rotation of the test platform 2 is avoided. During the downward movement of the rack 29, the guide 39 will climb the ramp 38, the guide spring 42 will be compressed until the guide head 40 enters the beginning of the return groove 37, the upper end of the rack 29 is lower than the gear 30, after the guide head 40 enters the return groove 37, the rack 29 approaches the gear 30, and the connecting rod 28 slides out a section along the connecting cylinder 27. When the guide head 40 slides to the end of the returning groove 37, under the action of the guide spring 42, the telescopic rod 41 extends, the guide head 40 enters the initial end of the upward moving groove 34, then the wiring device 1 moves upward, the rack 29 is meshed with the gear 30 in the upward moving process, the rack 29 drives the gear 30 to rotate, the bevel gear 30 is driven to rotate, and the bevel gear 30 drives the bevel gear ring 32 to rotate, so that the test platform 2 is driven to rotate. And (4) removing the tested circuit breaker below the wiring device 1, and moving the circuit breaker to be tested to the position below the wiring device 1. There is a rising up of the upper slot 34 during the movement of the guide head 40. when the guide head 40 moves to the end of the upper slot 34, the guide head 40 is further separated from the beginning of the slot 36 by the guide spring 42. At this time, the rack 29 and the gear 30 are disengaged, the wiring device 1 moves down again, and the guide 40 moves into the downward movement groove 35 again through the disengagement groove 36.

In an embodiment of the present invention, the traction device 6 includes a first pedal 43, the first pedal 43 is slidably connected to a second upright frame 44, a traction rope 45 is fixedly connected to a rear end of the first pedal 43, the traction rope 45 passes through a rope hole of the second upright frame 44, a rope hole on a front side of the first upright frame 3, and a rope hole of a transverse plate 46, the other end of the traction rope 45 is fixedly connected to the lifting plate 13, and upper and lower ends of the return spring 5 are fixedly connected to the lifting plate 13 and the transverse plate 46, respectively.

When the wiring device 1 moves downwards, the first pedal 43 can be stepped, the lifting plate 13 is pulled downwards through the traction rope 45, and the elasticity of the return spring 5 is overcome, so that the wiring device 1 can be moved downwards by the arm more easily. When the wiring device 1 moves upwards, the first pedal 43 is released, and the elastic force of the return spring 5 can overcome the resistance when the wiring device moves upwards partially, so that the burden of the arm is reduced.

As an embodiment of the present invention, the positioning device 7 includes a third vertical frame 47, a second pedal 48 is slidably connected to an upper portion of the third vertical frame 47, a positioning spring is fixedly connected to a lower end of the second pedal 48, a positioning rod 49 is fixedly connected to an upper end of the second pedal 48, the positioning rod 49 is inserted into a positioning hole 50 at a lower end of the testing platform 2, and the positioning holes 50 are uniformly distributed at the lower end of the testing platform 2 and have the same number as that of the placing areas 9.

When the guide 39 slides in the upper slot 34, the rack 29 engages with the gear 30, and at this time, the second pedal 48 needs to be stepped to prevent the positioning rod 49 from interfering with the rotation of the test platform 2. When the guide 39 moves to the end of the upper moving groove 34, the rack 29 is disengaged from the gear 30, the second step 48 is released, and the positioning rod 49 is inserted into the positioning hole 50 by the positioning spring, preventing the test platform 2 from rotating. Alternatively, the pedal may be released after the test platform 2 is rotated, and the positioning rod 49 is naturally inserted into the positioning hole 50 when the next positioning hole 50 is encountered, and the rack 29 is disengaged from the gear 30.

Claims

1. A circuit breaker testing device comprises a wiring device (1) and a testing platform (2), and is characterized in that: the test platform (2) is an annular platform which is rotationally connected with the bottom frame, a first vertical frame (3) is arranged at the inner side of the test platform (2), the upper part of the first vertical frame (3) is connected with a wiring device (1) in a sliding way, one side of the first vertical frame (3) is also provided with a power device (4) for driving the test platform (2) to rotate, the power device (4) is driven by the wiring device (1), a return spring (5) for assisting the wiring device (1) to move upwards and return is arranged at the lower side of the wiring device (1), a traction device (6) for assisting the wiring device (1) to move downwards is arranged at the front side of the first vertical frame (3), one side of the traction device (6) is also provided with a positioning device (7) for positioning the test platform (2), and a second station for placing and taking the circuit breaker is arranged on the opposite side of the first stand (3) of the test platform (2).

2. The circuit breaker testing apparatus of claim 1, wherein: the utility model discloses a circuit breaker testing device, including test platform (2), chassis, support column (11) fixed connection in annular slide rail (10) bottom, the even fixed mounting of test platform (2) up end has a plurality of districts (9) of placing the circuit breaker, the chassis includes annular slide rail (10) and support column (11) of fixed connection in annular slide rail (10) bottom, annular slide rail (10) cross-section is character cut in bas-relief, the even fixedly connected with three slide (12) of test platform (2) lower extreme, slide (12) sliding connection is in annular slide rail (10).

3. The circuit breaker testing apparatus of claim 1, wherein: the middle part of the first vertical frame (3) is of a hollow structure, the wiring device (1) comprises a lifting plate (13) which is connected in the first vertical frame (3) in a sliding mode, the middle part of the front side of the lifting plate (13) is fixedly connected with a wiring box (14), a power supply and a load are arranged in the wiring box (14), a display panel is arranged on the surface of the wiring box, and a positive wiring head (15) and a negative wiring head (16) are respectively arranged at the lower end of the wiring box (14); the positive connector lug (15) and the negative connector lug (16) respectively comprise a wiring barrel (17) fixedly mounted at the lower end of the junction box (14) and a wiring rod (18) connected in the barrel in a sliding mode, a wiring spring (19) is arranged in the wiring barrel (17), and a contact (20) is arranged at the lower end of the wiring rod (18).

4. A circuit breaker testing apparatus as claimed in claim 3, wherein: lifting rod (21) are respectively arranged on two sides of the front end of the lifting plate (13), a handle (22) is fixedly connected to the outer side of the other end of the lifting rod (21), a pressing rod (23) is slidably connected to the circular groove of the other end of the lifting rod (21), a marking spring (24) is further arranged in the circular groove, an extension rod (25) is fixedly connected to the lower end of the pressing rod (23), and a color marker pen (26) is inserted into the lower end of the extension rod (25).

5. A circuit breaker testing apparatus as claimed in claim 3, wherein: the power device (4) comprises a connecting cylinder (27) fixedly connected to the rear end of the lifting plate (13), a connecting rod (28) is connected in the connecting cylinder (27) in a sliding mode, a rack (29) is fixedly connected to the other end of the connecting rod (28), the rack (29) is meshed with a gear (30), a rotating shaft (31) is fixedly connected to the gear (30), the other end of the rotating shaft (31) is fixedly connected to a bevel gear (30), a bevel gear ring (32) is mounted on the inner side of the test platform (2) and meshed with the bevel gear ring, and the rotating shaft (31) is mounted on the first vertical frame (3) through a bearing plate; the rack (29) is constrained by the track plate (33), is meshed with the gear (30) when moving upwards, and is separated from the gear (30) when moving downwards.

6. The circuit breaker testing apparatus of claim 5, wherein: one side, close to the rack (29), of the track plate (33) is provided with a track groove, the track groove comprises an upper moving groove (34), a lower moving groove (35), a disengaging groove (36) and a returning groove (37), the upper moving groove (34) is closer to the gear (30) than the lower moving groove (35), the depths of the whole section of the disengaging groove (36) and the initial section of the lower moving groove (35) are larger than the depth of the tail end of the upper moving groove (34), the upper part of the lower moving groove (35) is provided with a climbing slope (38) with gradually reduced depth from top to bottom, the depth of the initial section of the upper moving groove (34) is larger than the depth of the returning groove (37), and the lower part of the upper moving groove (34) is provided with a climbing slope (38) with gradually reduced depth from bottom to top; connecting rod (28) one side is equipped with guide (39), guide (39) are including sliding connection leading (40) at the track inslot, leading (40) one end and passing through telescopic link (41) and be connected with connecting rod (28), telescopic link (41) overcoat is equipped with guide spring (42).

7. A circuit breaker testing apparatus as claimed in claim 3, wherein: draw gear (6) include first footboard (43), first footboard (43) and second grudging post (44) sliding connection, first footboard (43) rear end fixed connection haulage rope (45), haulage rope (45) pass the rope hole of second grudging post (44), the rope hole of first grudging post (3) front side and the rope hole of diaphragm (46), haulage rope (45) other end and lifter plate (13) fixed connection, both ends respectively with lifter plate (13) and diaphragm (46) fixed connection about reset spring (5).

8. The circuit breaker testing apparatus of claim 1, wherein: the positioning device (7) comprises a third vertical frame (47), a second pedal (48) is slidably connected to the upper portion of the third vertical frame (47), a positioning spring is fixedly connected to the lower end of the second pedal (48), a positioning rod (49) is fixedly connected to the upper end of the second pedal (48), the positioning rod (49) is inserted into a positioning hole (50) in the lower end of the test platform (2), the positioning hole (50) is uniformly distributed in the lower end of the test platform (2), and the number of the positioning holes is the same as that of the placement areas (9).