Circuit breaker power-on test device for low-load routine test

Abstract

The utility model discloses a circuit breaker power-on test device for low-load routine test, which comprises a cabinet body, a back plate capable of lifting is arranged in the cabinet body, a plurality of placing plates are arranged on the back plate, a power-on mechanism matched with each placing plate is arranged above each placing plate, and each power-on mechanism comprises an insulating plate capable of lifting. The insulating plate is in threaded connection with a ball screw capable of abutting against a wiring board of the circuit breaker, a deck plate is horizontally arranged on one side of the cabinet body, and each placing plate can be flush with the deck plate. According to the utility model, multi-layer layout of the test bench can be realized, manpower is replaced to lift the circuit breaker from the bench surface to a certain height, personal danger possibly caused by manually placing the circuit breaker from the bench surface to a high test position is avoided, and the space utilization rate and the test efficiency are improved; and the device can be accurately contacted with the bolt fixing surface of the circuit breaker wiring board during electrification, so that the detection preciseness is ensured, the risk of poor contact caused by deviation is reduced, and the detection stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker detection technical field, concretely relates to a circuit breaker energization testing device for low load routine test. BACKGROUND

[0002] Circuit breaker is a commonly used electrical equipment, for timely interrupting the current in the circuit when the circuit appears faults such as short circuit or overload, thereby preventing accidents. In the outgoing inspection link of circuit breaker, the circuit breaker needs to be energized for a period of time, during which manual closing test, display screen and indicator lamp inspection, function key response test and many other detections are carried out.

[0003] Energization test is generally carried out on the test bench. The existing test bench mainly has the following two shortcomings: 1. When using the test bench, the circuit breaker needs to be lifted to the tabletop of the test bench first, and then lifted to the designated test position. During the lifting process, if the operation is not proper, an accident may occur when the circuit breaker is lifted to a certain height, causing equipment damage or personal injury accidents. Therefore, for safety reasons, many test benches are designed for single-layer layout. The existing conventional test bench can detect multiple circuit breakers in the same layer, avoiding the lifting and falling risks that may be caused by multi-layer layout and reducing the physical exertion of the operator. However, single-layer layout also means low space utilization, limiting the number of tests that can be carried out in parallel at the same time, thereby affecting the test efficiency of the circuit breaker. Figure 6 , Figure 6 The energization mechanism of the existing test bench needs to place the circuit breaker vertically on the test position and drive the conductive part to contact the upper end surface 18 of the terminal block of the circuit breaker (see UTILITY MODEL CONTENTS

[0004] The utility model discloses a purpose at: provide a kind of for low load routine test circuit breaker energization test device, can realize the multilayer layout of test platform, replace manpower and lift circuit breaker from countertop to certain height, avoid the personal risk that manpower can cause when placing circuit breaker from countertop to high test site, improve space utilization and test efficiency, and when energization, it can accurately contact with the bolt fixing surface of circuit breaker terminal board, guarantee the rigor of detection, reduce the risk of poor contact caused by deviation, improve the stability of detection.

[0005] To realize the above-mentioned purpose, the technical scheme adopted by the utility model is: a circuit breaker energization test device for low load routine test, comprising a cabinet, a back plate and a first driving element for driving the back plate to move up and down are arranged in the cabinet, a plurality of placing plates are arranged on the back plate in intervals from top to bottom, an energization mechanism matched with each placing plate is arranged above each placing plate, the energization mechanism comprises a mounting plate and a second driving element for driving the mounting plate to move up and down, the mounting plate is arranged horizontally and is provided with an elastic abutting component matched with the circuit breaker, the elastic abutting component comprises an insulating plate connected with the mounting plate, the number of the insulating plates is consistent with the number of terminal ports of the circuit breaker, and the width of each insulating plate is less than the width of the terminal port of the circuit breaker, a wave bead screw is threadedly connected to the insulating plate, a wire is connected to the screw body of the wave bead screw, the ball of the wave bead screw can abut against the terminal plate of the circuit breaker, and a countertop plate is horizontally arranged on one side of the cabinet, and each placing plate can be flush with the countertop plate through the first driving element.

[0006] In a further improved scheme of the utility model, a sliding assembly matched with each mounting plate is arranged on the back plate, the sliding assembly comprises slide rails arranged symmetrically on the back plate, a sliding seat is slidably connected to the slide rails, the mounting plate is fixed to the two sliding seats, and the second driving element is a cylinder arranged on one side of the slide rails, and the telescopic end of the cylinder is connected with the mounting plate.

[0007] In a further improved scheme of the utility model, two guide rods are vertically and symmetrically arranged in the cabinet, the first driving element is an electric screw rod arranged between the two guide rods, the back plate is fixedly connected to the nut seat of the electric screw rod and is provided with two connection blocks on the back surface, and the two connection blocks are slidably connected to the two guide rods respectively.

[0008] In a further improved scheme of the utility model, a plurality of positioning plates are vertically and intervaliy arranged on the placing plate, a placing position for placing the circuit breaker is formed between adjacent positioning plates, the number of the elastic abutting components is consistent with the number of the placing positions and is arranged in one-to-one correspondence.

[0009] The utility model discloses further improve scheme is, the width between two adjacent positioning plates is greater than the width of circuit breaker, and one side opposite of two adjacent positioning plates is equipped with the positioning block, and the spacing between two positioning blocks is adapted to the width of circuit breaker.

[0010] The utility model discloses further improve scheme is, the thread connection of wave pearl screw has locknut, and the wire terminal of one end of wire is clamped and fixed between locknut and insulating plate.

[0011] The utility model discloses further improve scheme is, the placing plate is equipped with at least three, and each placing plate is equipped with at least five positioning plates.

[0012] The utility model discloses further improve scheme is, when the placing plate and the table panel are flush, the spacing between it and the table panel is less than 1cm.

[0013] The utility model discloses further improve scheme is, the cabinet includes back panel and two side panels, and the electric screw rod is set up on back panel, and the front of cabinet is open mouth.

[0014] The utility model discloses further improve scheme is, one side of cabinet is equipped with the control button corresponding to each layer placing plate, and the corresponding placing plate and table panel are flush after pressing control button.

[0015] The utility model discloses the beneficial effect lies in:

[0016] The utility model discloses through drive back plate to lift and set up multilayer placing layer on back plate, can realize the multilayer layout of test platform, replace manpower and lift circuit breaker from table top to certain height, avoid the personal danger that manpower can cause when placing circuit breaker from table top to high test position, effectively improve space utilization.

[0017] The utility model discloses when electrifying, can accurately with the bolt fixed surface of circuit breaker terminal board contact, guarantee the rigor of detection, and the area of bolt fixed surface is far greater than the upper end surface of terminal board, reduces the risk of deviation and leads to poor contact, improves the stability of detection.

[0018] The utility model discloses each placing plate can be flush with the table panel, and the board surface of table panel is low friction surface, when placing plate and table panel are flush in actual use, can directly push circuit breaker placed on table panel and slide to placing plate, reduce the handling, and then reduce physical consumption.

[0019] The utility model discloses a wave bead screw is adopted, utilizes the ball of wave bead screw and can slightly stretch out or retract under the action of spring force, can replace a group of air cylinder for driving mounting plate to approach or away from circuit breaker, saves the cost, reduces the failure, and when the mounting plate drops, the ball can effectively abut with the circuit breaker terminal strip under the action of spring, improves the stability of contact.

[0020] The utility model discloses a wave bead screw is adopted, in the period of mounting plate drop, the ball of wave bead screw can reduce the friction with the circuit breaker terminal strip through rolling, and then reduce the scratch on the circuit breaker terminal strip, reduce the influence to the appearance of circuit breaker.

[0021] The wave bead screw in the utility model is connected on the insulating plate, and the distance between the wave bead screw and the circuit breaker can be adjusted according to the requirement, and the flexibility is high.

[0022] The utility model discloses each placing plate is equipped with at least five positioning plates, can form multiple placing positions, can set multiple elastic abutment components according to the requirement, can power on multiple circuit breakers at a time, improves the test efficiency, and then improves the test quantity that can be carried out in parallel in the same time, thereby improving the test efficiency of circuit breaker.

[0023] In the power-on test of circuit breaker, the circuit breaker needs to be continuously powered for a certain time, and it is ensured that it can maintain stability and safety under long-time current carrying, and other detection is carried out on the circuit breaker during power-on, such as closing test, display screen and indicator lamp inspection, function key response test, and the duration of power-on detection is greater than the time required by other detection, in the existing test, even if other detection is finished, the circuit breaker cannot be removed, and it still needs to wait for the power-on time to reach the specified time, during which waiting is needed, causing manpower waste, and the multilayer structure of the utility model greatly increases the number of placeable circuit breakers, can uniformly power on all circuit breakers during detection, and then detects the circuit breakers one by one, when all the other detection of circuit breakers is finished, the power-on time also reaches the specified time, all the circuit breakers can be removed and the next batch is replaced, greatly reducing the waiting time, and avoiding the waste of manpower. ACCURACY OF DRAWINGS

[0024] Figure 1 It is the structure front view schematic drawing of the utility model.

[0025] Figure 2 It is the structure front view schematic drawing of the utility model's power-on mechanism.

[0026] Figure 3 It is the back panel structure schematic drawing of the utility model.

[0027] Figure 4The utility model discloses a back panel and the elevation section structure schematic drawing of back plate.

[0028] Figure 5 The utility model discloses a mounting plate side elevation section structure schematic drawing.

[0029] Figure 6 The utility model discloses a circuit breaker structure schematic drawing in prior art.

[0030] In the drawing, 1-cabinet body, 2-back plate, 3-putting plate, 4-mounting plate, 5-insulating plate, 6-wave bead screw, 7-table panel, 8-slideway, 9-slideway, 10-cylinder, 11-guide rod, 12-electric screw, 13-connecting block, 14-positioning plate, 15-positioning block, 16-lock nut, 17-back panel, 18-wiring board upper end face, 19-bolt fixing surface. DETAILED DESCRIPTION

[0031] The utility model discloses below combining with the drawing and specific embodiment, further illustrate the utility model.

[0032] Example 1: combine Figures 1-6 It can be known that a circuit breaker energization testing device for low-load routine testing, comprising a cabinet body 1, the cabinet body 1 is internally provided with a back plate 2 and a first driving element for driving the back plate 2 to move up and down, a plurality of putting plates 3 are spaced apart from top to bottom on the back plate 2, an energization mechanism matched with each putting plate 3 is arranged above the putting plate 3, the energization mechanism comprises a mounting plate 4 and a second driving element for driving the mounting plate 4 to move up and down, the mounting plate 4 is horizontally arranged and is provided with an elastic abutting assembly matched with the circuit breaker on the mounting plate 4, the elastic abutting assembly comprises an insulating plate 5 connected with the mounting plate 4, the number of the insulating plate 5 is consistent with the number of the wiring port of the circuit breaker, and the width of each insulating plate 5 is less than the width of the wiring port of the circuit breaker (for facilitating insertion into the wiring port of the circuit breaker), a wave bead screw 6 is threadedly connected to the insulating plate 5, a wire is connected to the screw body of the wave bead screw 6, the ball of the wave bead screw 6 can abut against the wiring board of the circuit breaker, a table panel 7 is horizontally arranged on one side of the cabinet body 1, and each putting plate 3 can be flush with the table panel 7 through the first driving element. The putting plate 3 is horizontally arranged.

[0033] The back plate 2 is provided with a sliding assembly matched with each mounting plate 4, the sliding assembly comprises slideways 8 symmetrically arranged on the back plate 2, the slideways 8 are slidably connected with sliding seats 9, the mounting plate 4 is fixed to the two sliding seats 9, the second driving element is a cylinder 10 arranged on one side of the slideway 8, and the extension end of the cylinder 10 is connected with the mounting plate 4. Preferably, the cylinder 10 is provided with two.

[0034] Two guide rods 11 are vertically and symmetrically arranged in the cabinet body 1, the first driving member is an electric screw rod 12 arranged between the two guide rods 11, and the back plate 2 is fixedly connected to the nut seat of the electric screw rod 12 and has two connecting blocks 13 on the back surface thereof and slidingly connected to the two guide rods 11 respectively.

[0035] A plurality of positioning plates 14 are vertically and spacedly arranged on the placing plate 3, and a placing position for placing the circuit breaker is formed between adjacent positioning plates 14, the number of the elastic abutting assemblies is consistent with the number of the placing positions and is one-to-one corresponding.

[0036] The width between the two adjacent positioning plates 14 is greater than the width of the circuit breaker, and the opposite surfaces of the two adjacent positioning plates 14 are provided with positioning blocks 15, and the spacing between the two positioning blocks 15 is adapted to the width of the circuit breaker. When the two positioning plates 14 are used to position the circuit breaker, the positioning plates 14 will be in large-area contact with the circuit breaker, which will cause scratches on both sides of the circuit breaker and make it difficult to take and place the circuit breaker. However, the positioning by the smaller positioning blocks 15 effectively reduces the contact area with the circuit breaker, thereby reducing scratches and facilitating taking and placing.

[0037] When the placing plate 3 is flush with the table plate 7, the spacing between the placing plate 3 and the table plate 7 is less than 1 cm. The surface of the table plate 7 is a low-friction surface. Preferably, the surface of the placing plate 3 is also a low-friction surface.

[0038] A lock nut 16 is threadedly connected to the wave bead screw 6, and a wiring terminal of one end of a wire is clamped and fixed between the lock nut 16 and the insulating plate 5. The wave bead screw 6 is a conventional wave bead screw (also known as a wave bead screw or a spring steel bead screw) in the prior art, which includes a screw body provided with external threads, a spring located in the screw body, and a ball in abutment with the spring and partially protruding out of the housing. The present application does not involve the improvement of the wave bead screw 6.

[0039] The wave bead screw 6 is threadedly connected to the insulating plate 5, and the position of the wave bead screw 6 can be flexibly adjusted through threads, so that the spacing between the ball of the wave bead screw 6 and the back plate 2 in the normal state is slightly smaller than the spacing between the bolt fixing surface 19 of the wiring board of the circuit breaker after the circuit breaker is placed in place. The spacing difference should be within the range (preferably within 5 mm) that the ball of the wave bead screw 6 can extend and retract. When the mounting plate 4 is lowered, the ball first contacts the upper end surface 18 of the wiring board of the circuit breaker, and the spring in the wave bead screw 6 is retracted under pressure, and the ball abuts against the bolt fixing surface 19 of the wiring board.

[0040] The placing plate 3 is provided with at least three blocks, and each placing plate 3 is provided with at least five positioning plates 14.

[0041] When the placing plate 3 is flush with the table plate 7, the spacing between the placing plate 3 and the table plate 7 is less than 1 cm.

[0042] The cabinet body 1 comprises a back panel 17 and two side panels, the electric screw rod 12 is arranged on the back panel 17, and the front of the cabinet body 1 is an open mouth.

[0043] The cabinet body 1 is provided with a control button corresponding to each layer of the placing plate 3 on one side, and the corresponding placing plate 3 is flush with the table panel 7 after the control button is pressed.

[0044] The working principle of the circuit breaker energization testing device for low-load routine testing provided by the utility model is as follows: when in use, the circuit breaker is moved to the table panel 7, the electric screw rod 12 is started to drive the back plate 2 to move, so that the lowermost placing plate 3 is moved to be flush with the table panel 7, then the circuit breaker is pushed to slide to the placing position on the placing plate 3, the back of the circuit breaker is in contact with the back plate 2, and the two sides are positioned through the positioning plate 14, after the placing position on the placing plate 3 is filled, the electric screw rod 12 is driven to move the back plate 2 downwards, so that the second-to-last placing plate 3 is moved to be flush with the table panel 7, the circuit breaker can be continuously pushed, and the above steps are repeated until all the placing plates 3 are fully filled, then the circuit breakers on the whole back plate can be subjected to energization testing, when the energization testing is performed, the air cylinder 10 is started to make the mounting plate 4 descend, the ball of the wave ball screw 6 is first in contact with the upper end surface 118 of the wiring board of the circuit breaker, the spring in the wave ball screw 6 is retracted under extrusion, the ball abuts against the wiring board bolt fixing surface 19 of the circuit breaker, then the wave ball screw 6 can be energized through the wire, and then the energization of the circuit breaker is realized.

[0045] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model, any equivalent structure or equivalent process conversion made by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the utility model.

Claims

1. A circuit breaker energizing test device for low load routine testing, characterized by: The utility model provides a circuit breaker placing cabinet, including cabinet (1), be equipped with backboard (2) and first drive piece in cabinet (1) with drive backboard (2) lift and move, be equipped with a plurality of blocks of placing plate (3) from top to bottom interval in backboard (2), every placing plate (3) top is equipped with with it cooperation electricity passing mechanism, electricity passing mechanism includes mounting plate (4) and drive mounting plate (4) lift second drive piece, mounting plate (4) is transversely arranged and is equipped with with circuit breaker cooperation elastic abutment component on it, elastic abutment component includes with mounting plate (4) connection insulating plate (5), the number of insulating plate (5) is consistent with the number of circuit breaker's wiring port and the width of every insulating plate (5) is less than the wiring port width of circuit breaker, the insulating plate (5) is screw thread connection has wave bead screw (6), the screw body of wave bead screw (6) is connected with wire, the ball of wave bead screw (6) can be with the wiring board abut of circuit breaker, the one side of cabinet (1) is horizontally equipped with table panel (7), every placing plate (3) can be through first drive piece with table panel (7) flush.

2. A circuit breaker power-on test device for low load routine testing according to claim 1, characterized in that: Be equipped with with every mounting plate (4) cooperation sliding assembly on backboard (2), sliding assembly includes symmetrical sliding rail (8) that sets up on backboard (2), sliding rail (8) is slidably connected with slide (9), mounting plate (4) is fixed on two slide (9), second drive piece is the cylinder (10) of setting up on the one side of sliding rail (8), the telescopic end of cylinder (10) is connected with mounting plate (4).

3. A circuit breaker power-on test device for low load routine testing according to claim 1 or 2, characterized in that: Two guide rods (11) are vertically and symmetrically arranged in the cabinet (1), the first drive member is an electric screw rod (12) arranged between the two guide rods (11), the back plate (2) is fixedly connected to the nut seat of the electric screw rod (12) and has two connection blocks (13) respectively slidably connected to the two guide rods (11) on the back surface thereof.

4. A circuit breaker power-on test device for low load routine testing according to claim 1, characterized in that: A plurality of positioning plates (14) are vertically and spaced apart on the placing plate (3), and a placing position for placing the circuit breaker is formed between adjacent positioning plates (14). The number of the elastic abutment components is consistent with the number of the placing positions and is one-to-one correspondence.

5. A circuit breaker power-on test device for low load routine testing according to claim 4, characterized in that: The width between the two adjacent positioning plates (14) is greater than the width of the circuit breaker, and the opposite side of the two adjacent positioning plates (14) is provided with a positioning block (15). The spacing between the two positioning blocks (15) is adapted to the width of the circuit breaker.

6. A circuit breaker power-on test device for low load routine testing according to claim 1, characterized in that: The wave bead screw (6) is screw thread connected with a lock nut (16), and the wiring terminal of one end of the wire is clamped and fixed between the lock nut (16) and the insulating plate (5).

7. A circuit breaker power-on test device for low load routine testing according to claim 4, characterized in that: The placing plate (3) is provided with at least three blocks, and each placing plate (3) is provided with at least five positioning plates (14).

8. The circuit breaker power-on test device for low load routine testing of claim 1, wherein: When the placing plate (3) is flush with the table panel (7), the spacing between the placing plate (3) and the table panel (7) is less than 1 cm.

9. A circuit breaker power-on test device for low load routine testing according to claim 3, characterized in that: The cabinet (1) includes a back panel (17) and two side panels, the electric screw rod (12) is arranged on the back panel (17), and the front of the cabinet (1) is an open port.

10. The circuit breaker power-on test device for low load routine testing of claim 1, wherein: The cabinet body (1) is provided with a control button corresponding to each layer of the placing plate (3), and the corresponding placing plate (3) is flush with the table top plate (7) after the control button is pressed.

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