CN219084985U

CN219084985U - Automatic detection device for single-phase loop resistance of frame circuit breaker

Info

Publication number: CN219084985U
Application number: CN202222900379.4U
Authority: CN
Inventors: 陈佳成; 王夫观; 袁迪飞
Original assignee: Hangzhou Jiehan Machinery Technology Co ltd
Current assignee: Hangzhou Jiehan Machinery Technology Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-05-26
Anticipated expiration: 2032-10-28

Abstract

The utility model relates to an automatic detection device for single-phase loop resistance of a frame circuit breaker, which belongs to the field of manufacturing of low-voltage electric appliances and comprises a base plate and the frame circuit breaker, wherein a stand column connected with the base plate is arranged on the base plate, a mounting plate which can be vertically displaced and adjusted along the wall of the stand column is arranged on the base plate, and at least one clamping opening assembly for detecting the single-phase loop resistance of the frame circuit breaker is arranged in the mounting plate. Compared with the prior art, the automatic detection device for the single-phase loop resistance of the frame circuit breaker has the advantages that 3-phase or 4-phase loop contacts can be clamped simultaneously, and each loop resistance instrument is connected with each phase of clamp line, so that each phase of data can be conveniently and simultaneously detected and recorded; on the other hand, the structure can adapt to the detection of various circuit breakers with different specifications, is convenient and quick to detect, automatically records data, and is deeply loved by workshop operators.

Description

Automatic detection device for single-phase loop resistance of frame circuit breaker

Technical Field

The utility model relates to an automatic detection device for single-phase loop resistance of a frame circuit breaker, and belongs to the field of manufacturing of piezoelectric devices.

Background

The single-phase loop resistor of the frame circuit breaker mainly reflects the resistance of the current input and output ends of each phase conductive loop of the circuit breaker, wherein the main purpose is to detect the moving contact resistance of the loop, and further judge whether the contact surface and the contact pressure meet the requirements. The single-phase loop resistance detection of the traditional frame circuit breaker is usually carried out manually, a direct-current voltage reduction method is adopted for measurement, two groups of red and black chucks with one large and one small are respectively clamped on an input contact and an output contact manually, and an instrument test key is pressed down to directly obtain a loop resistance value, so that the method is simple in test, but low in efficiency, the circuit breaker is generally 3-phase or 4-phase, the circuit breaker can be completed only by clamping for many times, and data are required to be recorded manually; on the other hand, the manual clamping positions are not completely consistent, and the detection result is slightly influenced.

Disclosure of Invention

(one) solving the technical problems

The automatic detecting device for single-phase loop resistance of the frame breaker adopts PLC control, 3-phase or 4-phase loop contacts are clamped simultaneously, and each loop resistance instrument is connected with each phase clamp line and can detect and record each phase data simultaneously; on the other hand, the structure can be suitable for detecting a plurality of circuit breakers with different specifications.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a single-phase loop resistance automatic checkout device of frame circuit breaker, includes bottom plate and frame circuit breaker, be equipped with the stand that links to each other with the bottom plate on the bottom plate, be equipped with the mounting panel that carries out the vertical displacement and adjust along the wall of stand on the bottom plate, be equipped with at least one clamp mouth subassembly that is used for detecting the single-phase loop resistance of frame circuit breaker in the mounting panel.

Preferably, the clamping opening assemblies are arranged in the mounting plate in a continuous transverse arrangement mode, and each clamping opening assembly consists of two rows of clamping opening units which are arranged in an up-down symmetrical mode.

Preferably, the clamping unit comprises a clamping piece A and a clamping piece B, and the clamping pieces A and the clamping pieces B which are adjacent to each other are symmetrically distributed.

Preferably, the structure of the clamping piece A is the same as that of the clamping piece B, but the sizes of the clamping pieces A and B are different, the clamping piece A comprises an upper clamping plate and a lower clamping plate, and a notch capable of being inserted into a single-phase loop resistor of the frame circuit breaker is arranged between the upper clamping plate and the lower clamping plate and can be clamped and locked.

Preferably, the width of the clamping piece B is larger than that of the clamping piece A, copper screws connected with the lead wires of each loop resistance meter are arranged in holes of the upper clamping plate and are locked through copper blocks, insulating spacers matched with the copper screws are further arranged in holes of the upper clamping plate, and insulating blocks corresponding to the copper blocks are arranged in the lower clamping plate.

Preferably, the outside of mounting panel is equipped with the riser just the punch holder is located between the riser, still is equipped with the rotor plate between the riser, two be equipped with the screw rod that sets up with rotor plate looks empty cover between the riser just the rotor plate can rotate the counter plate around the screw rod, install support A on the lower plate, rotor plate's top is equipped with the cylinder A that links to each other with rotor plate just cylinder A's piston rod end is equipped with the joint of being connected with support A looks axle sleeve.

Preferably, a bracket B connected with the mounting plate is arranged outside the mounting plate, and a stop rod for initially positioning the clamping opening position and preventing the clamping opening position from inclining is arranged in the bracket B.

Preferably, the outside of mounting panel is equipped with the connecting plate that links to each other with the mounting panel, the below of bottom plate is equipped with cylinder B, cylinder B's piston rod end is equipped with the connector just the connector links to each other with the connecting plate through the round pin axle.

Preferably, a reinforcing plate for improving the connection strength between the upright post and the bottom plate is arranged outside the upright post.

Compared with the prior art, the automatic detection device for the single-phase loop resistance of the frame circuit breaker has the advantages that 3-phase or 4-phase loop contacts can be clamped simultaneously, and each loop resistance instrument is connected with each phase of clamp line, so that each phase of data can be conveniently and simultaneously detected and recorded; on the other hand, the structure can adapt to the detection of various circuit breakers with different specifications, is convenient and quick to detect, automatically records data, and is deeply loved by workshop operators.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the section A-A in FIG. 1 according to the present utility model;

FIG. 3 is a schematic top view of FIG. 1 illustrating the structure of the present utility model;

FIG. 4 is a schematic view of the structure of the B-B cross-section of FIG. 2 according to the present utility model.

In the figure: 1. a cylinder A; 2. a rotating plate; 3. a vertical plate; 4. an upper clamping plate; 5. a joint; 7. a bracket A; 8. a lower clamping plate; 9. a mounting plate; 10. a reinforcing plate; 12. a screw; 13. copper screws; 15. copper blocks; 16. an insulating block; 17. a pin shaft; 18. a connector; 19. a connecting plate; 20. a gear lever; 21. a bottom plate; 22. a cylinder B; 27. a column; 30. a nip assembly; 32. a clipping unit; 33. a clamping piece A; 34. a clamping piece B; 35. an insulating spacer; 36. and a bracket B.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the automatic detection device for the single-phase loop resistance of the frame circuit breaker comprises a bottom plate 21 and the frame circuit breaker, wherein the bottom plate 21 is provided with a stand column 27 connected with the bottom plate 21, the bottom plate 21 is provided with a mounting plate 9 which is vertically displaced along the wall of the stand column 27 and is adjusted, at least one clamping opening assembly 30 for detecting the single-phase loop resistance of the frame circuit breaker is arranged in the mounting plate 9, the clamping opening assemblies 30 are continuously and transversely distributed in the mounting plate 9, the clamping opening assemblies 30 are formed by two rows of clamping opening units 32 which are vertically symmetrically distributed, the clamping opening units 32 comprise clamping pieces A33 and clamping pieces B34, every two adjacent clamping pieces A33 and clamping pieces B34 are symmetrically distributed, the clamping pieces A33 and the clamping pieces B34 have the same structure but different sizes, the clamping pieces A33 comprise an upper clamping plate 4 and a lower clamping plate 8, a notch which can be inserted into the single-phase loop resistance of the frame circuit breaker is arranged between the upper clamping plate 4 and the lower clamping plate 8 and can be clamped, the width of the clamping piece B34 is larger than that of the clamping piece A33, copper screws 13 connected with the phase wires of each loop resistance meter are arranged in holes of the upper clamping plate 4 and are locked through copper blocks 15, insulating spacers 35 matched with the copper screws 13 are also arranged in holes of the upper clamping plate 4, insulating blocks 16 corresponding to the copper blocks 15 are arranged in the lower clamping plate 8, a vertical plate 3 is arranged outside the mounting plate 9 and the upper clamping plate 4 is positioned between the two vertical plates 3, a rotating plate 2 is also arranged between the two vertical plates 3, a screw 12 which is arranged in clearance with the rotating plate 2 is arranged between the two vertical plates 3, the rotating plate 2 can rotate around the screw 12 to be opposite to the rotating plate 3, a bracket A7 is arranged on the lower clamping plate 8, a cylinder A1 connected with the rotating plate 2 is arranged above the rotating plate 2, a piston rod end of the cylinder A1 is provided with a joint 5 in shaft sleeve connection with the bracket A7, the outside of mounting panel 9 is equipped with the support B36 that links to each other with mounting panel 9 and is equipped with in the support B36 and is used for carrying out the preliminary location to the clamp position and prevents clamp position slope's shelves pole 20, and the outside of mounting panel 9 is equipped with the connecting plate 19 that links to each other with mounting panel 9, and the below of bottom plate 21 is equipped with cylinder B22, and the piston rod end of cylinder B22 is equipped with connector 18 and connector 18 links to each other with connecting plate 19 through round pin axle 17, and the outside of stand 27 is equipped with the reinforcing plate 10 that is used for improving the joint strength between stand 27 and bottom plate 21.

The electrical components in the connection are all electrically connected with an external main controller and 380V commercial power, and the main controller can be a conventional known device for controlling a computer and the like.

In summary, when the automatic detection device for the single-phase loop resistance of the frame circuit breaker is used, compared with the prior art, the structure can clamp 3-phase or 4-phase loop contacts simultaneously, and each loop resistance instrument is connected with each phase clamp line, so that each phase data can be conveniently and simultaneously detected and recorded; on the other hand, the structure can adapt to the detection of various circuit breakers with different specifications, is convenient and quick to detect, automatically records data, and is deeply loved by workshop operators.

In the description of the present specification, the terms "connected," "mounted," "fixed," "disposed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection or an indirect connection via an intermediate assembly without affecting the relationship of components and technical effects, or may be an integral connection or a partial connection, as in the case of this example, and as will be apparent to those skilled in the art, the specific meaning of the terms in the present utility model or the utility model may be understood in the specific case.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a single-phase return circuit resistance automatic checkout device of frame circuit breaker, includes bottom plate (21) and frame circuit breaker, its characterized in that: the circuit breaker is characterized in that a stand column (27) connected with the base plate (21) is arranged on the base plate (21), a mounting plate (9) which is vertically displaced and adjusted along the wall of the stand column (27) is arranged on the base plate (21), and at least one clamping opening assembly (30) for detecting single-phase loop resistance of the frame circuit breaker is arranged in the mounting plate (9).

2. The automatic detection device for single-phase loop resistance of frame circuit breaker according to claim 1, wherein: the clamping opening assemblies (30) are continuously and transversely arranged in the mounting plate (9), and the clamping opening assemblies (30) are composed of two rows of clamping opening units (32) which are symmetrically distributed up and down.

3. The automatic detection device for single-phase loop resistance of frame circuit breaker according to claim 2, wherein: the clamping opening unit (32) comprises clamping pieces A (33) and clamping pieces B (34), and every two adjacent clamping pieces A (33) and clamping pieces B (34) are symmetrically distributed.

4. A frame circuit breaker single-phase loop resistance automatic detection device according to claim 3, wherein: the clamping piece A (33) and the clamping piece B (34) are identical in structure and different in size, the clamping piece A (33) comprises an upper clamping plate (4) and a lower clamping plate (8), and a notch capable of being inserted into a single-phase loop resistor of the frame circuit breaker is arranged between the upper clamping plate (4) and the lower clamping plate (8) and can be clamped and locked.

5. The automatic detection device for single-phase loop resistance of frame circuit breaker according to claim 4, wherein: the width of the clamping piece B (34) is larger than that of the clamping piece A (33), copper screws (13) connected with all loop resistance meters through wires are arranged in holes of the upper clamping plate (4) and are locked through copper blocks (15), insulating spacers (35) matched with the copper screws (13) are further arranged in holes of the upper clamping plate (4), and insulating blocks (16) corresponding to the copper blocks (15) are arranged in the lower clamping plate (8).

6. The automatic detection device for single-phase loop resistance of frame circuit breaker according to claim 5, wherein: the outside of mounting panel (9) is equipped with riser (3) just punch holder (4) are located between riser (3), still are equipped with rotor plate (2) between riser (3), two be equipped with screw rod (12) with rotor plate (2) looks empty cover setting between riser (3) just rotor plate (2) can rotate relative plate (3) around screw rod (12), install support A (7) on lower plate (8), the top of rotor plate (2) be equipped with rotor plate (2) continuous cylinder A (1) just the piston rod end of cylinder A (1) is equipped with joint (5) that are connected with support A (7) looks axle sleeve type.

7. The automatic detection device for single-phase loop resistance of frame circuit breaker according to claim 6, wherein: the outside of mounting panel (9) is equipped with support B (36) that link to each other with mounting panel (9) and be equipped with in support B (36) and be used for carrying out initial location and prevent clamp mouth position slope shelves pole (20) to clamp mouth position.

8. The automatic detection device for single-phase loop resistance of frame circuit breaker according to claim 7, wherein: the outside of mounting panel (9) is equipped with connecting plate (19) that link to each other with mounting panel (9), the below of bottom plate (21) is equipped with cylinder B (22), the piston rod end of cylinder B (22) is equipped with connector (18) just connector (18) link to each other with connecting plate (19) through round pin axle (17).

9. The automatic detection device for single-phase loop resistance of frame circuit breaker according to claim 1, wherein: the outside of stand (27) is equipped with reinforcing plate (10) that are used for improving the joint strength between stand (27) and bottom plate (21).