CN219162293U - Short-time tolerance current detection device of molded case circuit breaker - Google Patents
Short-time tolerance current detection device of molded case circuit breaker Download PDFInfo
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- CN219162293U CN219162293U CN202223613405.1U CN202223613405U CN219162293U CN 219162293 U CN219162293 U CN 219162293U CN 202223613405 U CN202223613405 U CN 202223613405U CN 219162293 U CN219162293 U CN 219162293U
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Abstract
The utility model relates to a short-time tolerance current detection device of a molded case circuit breaker, which comprises a machine framework, a box body, an incoming electrode assembly, an outgoing electrode assembly and an air cylinder assembly, wherein the incoming electrode assembly comprises two first compression air cylinders, a pull plate and a plurality of incoming electrodes, the plurality of incoming electrodes are in linkage fit with the pull plate, the plurality of incoming electrodes move along with the pull plate and can be respectively compressed on a plurality of incoming wiring boards of the molded case circuit breaker, the outgoing electrode assembly comprises two lifting air cylinders, a lifting plate, two second compression air cylinders, a pressing plate, a plurality of outgoing electrodes, a limiting air cylinder and a limiting block, one end of each outgoing electrode penetrates through the lifting plate and is connected to the pressing plate, the plurality of outgoing electrodes are in linkage fit with the pressing plate, the plurality of outgoing electrodes move along with the pressing plate and can be respectively compressed on the outgoing wiring boards of the molded case circuit breaker, and the plurality of outgoing electrodes move along with the lifting plate and can slide back and forth on a panel.
Description
Technical Field
The utility model relates to the technical field of molded case circuit breakers, in particular to a short-time withstand current detection device of a molded case circuit breaker.
Background
At present, a molded case circuit breaker is a common protection electrical appliance, has the functions of switching on and off load current and overload and short-circuit protection on the load current, and is widely applied to overload and short-circuit protection of various power distribution systems and motors. The short-time current tolerance test is used for checking the capability of the plastic shell circuit breaker that the circuit is not broken under the condition of overload and short-circuit fault, but can bear the action of electromotive force and thermal effect formed by short time and large current without damage. The existing short-time withstand current detection device for the molded case circuit breaker cannot detect molded case circuit breakers of different specifications, and is narrow in application range and poor in universality. And during detection, detection personnel are required to manually adjust, the labor intensity of the detection personnel is high, and the detection efficiency is low.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the short-time withstand current detection device of the molded case circuit breaker, which has the advantages of stable and reliable performance, high detection efficiency and good universality.
In order to achieve the above purpose, the short-time tolerance current detection device of the molded case circuit breaker is adopted, the short-time tolerance current detection device comprises a machine framework, a box body arranged on the machine framework, a wire inlet electrode assembly, a wire outlet electrode assembly and a cylinder assembly, wherein the wire inlet electrode assembly is arranged on a panel of the box body and used for pressing a plurality of moving contacts of the molded case circuit breaker, the wire inlet electrode assembly comprises two first pressing cylinders symmetrically arranged in the box body, a pulling plate arranged in linkage with the two first pressing cylinders, a plurality of wire inlet electrodes arranged on the panel in a sliding manner, one ends of the wire inlet electrodes are connected to the pulling plate and form linkage fit of the wire inlet electrodes and the pulling plate, the wire outlet electrodes move along with the pulling plate and can be respectively pressed on a plurality of wire inlet wiring boards of the molded case circuit breaker, the linkage wire outlet electrode assembly comprises two lifting cylinders arranged in the box body and matched with the two lifting cylinders in a sliding manner, two second pressing cylinders symmetrically arranged on the lifting plate, a pressing plate arranged on the two second pressing cylinders in a sliding manner, a plurality of wire outlet plates movably arranged on the pulling plate in a sliding manner, a plurality of wire outlet plates are arranged on the box body and can pass through the wire outlet plates and form linkage fit between the wire inlet electrodes and the wire inlet electrode and the plurality of the wire inlet electrode.
The beneficial effects of the structure are as follows: the wire outlet electrode assembly of the short-time tolerance current detection device of the molded case circuit breaker adopts a lifting structural design, and the distance between the wire outlet electrode and the wire inlet electrode can be adjusted through the lifting cylinder, so that the molded case circuit breaker with various specifications and different lengths can be adapted, the detection range is wider, and the universality is better. And the incoming electrode and the outgoing electrode are driven by the first compression cylinder and the second compression cylinder respectively, so that the manpower of a detector can be saved, and the detection efficiency is higher. And the incoming line electrode assembly and the outgoing line electrode assembly are respectively arranged in the box body, so that the protection performance is better, and the safety is higher. Therefore, the short-time withstand current detection device of the molded case circuit breaker has the advantages of stable and reliable performance, high detection efficiency and good universality.
Particularly, the cylinder assembly comprises a supporting plate arranged on the panel corresponding to a plurality of moving contacts of the molded case circuit breaker and a plurality of cylinders respectively arranged on the supporting plate, wherein a plurality of ejector rods are arranged on piston rods of the cylinders, and the ejector rods act along with the piston rods of the cylinders and can be abutted against the moving contacts of the molded case circuit breaker. The plurality of moving contacts of the molded case circuit breaker are respectively pressed by the plurality of air cylinders, and the pressing force is larger, so that the air cylinder assembly can be ensured to stably press the plurality of moving contacts, and the working reliability of the short-time tolerance current detection device of the molded case circuit breaker is improved.
Particularly, two ends of the box body corresponding to the lifting plate are respectively provided with a guide rail, two ends of the lifting plate are respectively provided with a slide block matched with the guide rails, the slide blocks are clamped on the guide rails, and the slide blocks move along with the lifting plate and can slide back and forth on the guide rails. The guide rail can play a role in guiding the lifting plate, so that the lifting plate can reliably act in the box body.
Particularly, a plurality of guide sliding holes are respectively arranged on the panel corresponding to the plurality of wire outlet electrodes, and the plurality of wire outlet electrodes move along with the lifting plate and can slide in the plurality of guide sliding holes in a reciprocating manner. The plurality of guide sliding holes can play a role in guiding the plurality of outgoing line electrodes, so that the plurality of outgoing line electrodes can reliably slide on the panel, and the working reliability of the detection device is improved.
In particular, the panel is provided with an insulating protective cover covering the plurality of incoming line electrodes. The insulation protective cover can prevent a plurality of incoming line electrodes from being exposed outside the panel, and is beneficial to improving the protective performance of the short-time tolerance current detection device of the molded case circuit breaker.
Particularly, a storage supporting plate is arranged on one side of the box body corresponding to the plurality of outlet electrodes, and two supporting rods are respectively arranged between the storage supporting plate and the mechanism frame. Be provided with the thing backup pad of putting on the box, put thing backup pad and can place the moulded case circuit breaker to be favorable to improving the detection efficiency of this moulded case circuit breaker short-time tolerance current detection device.
Drawings
Fig. 1 is a perspective view of an embodiment of the present utility model.
Fig. 2 is an internal structural diagram of an embodiment of the present utility model.
Fig. 3 is a front view of an embodiment of the present utility model.
Detailed Description
As shown in fig. 1 to 3, the embodiment of the utility model is a short-time withstand current detection device of a molded case circuit breaker, comprising a machine frame 10, a box 11 arranged on the machine frame 10, a wire inlet electrode assembly 20, a wire outlet electrode assembly 30, and a cylinder assembly 50 arranged on a panel 111 of the box 11 and used for compacting a plurality of moving contacts 41 of the molded case circuit breaker 40, wherein the wire inlet electrode assembly 20 comprises two first compacting cylinders 21 symmetrically arranged in the box 10, a pulling plate 22 arranged in linkage with the two first compacting cylinders 21, a plurality of wire inlet electrodes 23 arranged on the panel 111 in a sliding manner, one end of the wire inlet electrodes 23 is connected on the pulling plate 22, and forms a linkage fit of the wire inlet electrodes 23 and the pulling plate 22, and the wire outlet electrode assembly 30 moves along with the pulling plate 22 and can be respectively compacted on a plurality of wire inlet wiring connection plates 42 of the molded case circuit breaker 40, the wire outlet electrode assembly 30 comprises two lifting cylinders 31 arranged in the box 10 and slidably arranged in the box 10 and matched with the two lifting cylinders 31, a plurality of wire outlet plates 33 arranged on the two lifting plates 32 and a plurality of wire outlet plates 35 which are respectively arranged on the two lifting plates 32 and are matched with the two lifting plates 35 in the movable press plates 35, and can be matched with the wire outlet plates 35 on the two pressing plates 35 of the movable plates 35, and the wire outlet plates 33 which are respectively arranged on the two pressing plates 35 and the movable plates 35 and are matched with the pressing plates 35 on the pressing plates 35, and the pressing plates 35 which are arranged on the pressing plates 35, and a clamping space 100 for placing the molded case circuit breaker is formed between the plurality of inlet electrodes 23 and the plurality of outlet electrodes 35. The panel 111 is provided with an insulating shield 12 covering the plurality of incoming electrodes 23. The insulation protective cover can prevent a plurality of incoming line electrodes from being exposed outside the panel, and is beneficial to improving the protective performance of the short-time tolerance current detection device of the molded case circuit breaker. The box 11 is provided with a storage supporting plate 13 at one side corresponding to the plurality of outlet electrodes 35, and two supporting rods 14 are respectively arranged between the storage supporting plate 13 and the mechanism frame 10. Be provided with the thing backup pad of putting on the box, put thing backup pad and can place the moulded case circuit breaker to be favorable to improving the detection efficiency of this moulded case circuit breaker short-time tolerance current detection device.
As shown in fig. 1 and 2, the cylinder assembly 50 includes a support plate 51 disposed on the panel 111 corresponding to the plurality of moving contacts 41 of the molded case circuit breaker 40, and a plurality of cylinders 52 respectively disposed on the support plate 51, wherein piston rods 521 of the plurality of cylinders 52 are provided with a plurality of ejector rods 53, and the plurality of ejector rods 53 move along with the piston rods 521 of the plurality of cylinders 52 and can abut against the plurality of moving contacts 41 of the molded case circuit breaker 40. The plurality of moving contacts of the molded case circuit breaker are respectively pressed by the plurality of air cylinders, and the pressing force is larger, so that the air cylinder assembly can be ensured to stably press the plurality of moving contacts, and the working reliability of the short-time tolerance current detection device of the molded case circuit breaker is improved. The two ends of the box body 10 corresponding to the lifting plate 32 are respectively provided with a guide rail 101, two ends of the lifting plate 32 are respectively provided with a slide block 321 matched with the guide rails 101, the slide blocks 321 are clamped on the guide rails 101, and the slide blocks 321 move along with the lifting plate 32 and can slide back and forth on the guide rails 101. The guide rail can play a role in guiding the lifting plate, so that the lifting plate can reliably act in the box body. A plurality of guide sliding holes 112 are respectively arranged on the panel 111 corresponding to the plurality of outlet electrodes 35, and the plurality of outlet electrodes 35 move along with the lifting plate 32 and can slide back and forth in the plurality of guide sliding holes 112. The plurality of guide sliding holes can play a role in guiding the plurality of outgoing line electrodes, so that the plurality of outgoing line electrodes can reliably slide on the panel, and the working reliability of the detection device is improved.
The wire outlet electrode assembly of the short-time tolerance current detection device of the molded case circuit breaker adopts a lifting structural design, and the distance between the wire outlet electrode and the wire inlet electrode can be adjusted through the lifting cylinder, so that the molded case circuit breaker with various specifications and different lengths can be adapted, the detection range is wider, and the universality is better. And the incoming electrode and the outgoing electrode are driven by the first compression cylinder and the second compression cylinder respectively, so that the manpower of a detector can be saved, and the detection efficiency is higher. And the incoming line electrode assembly and the outgoing line electrode assembly are respectively arranged in the box body, so that the protection performance is better, and the safety is higher. Therefore, the short-time withstand current detection device of the molded case circuit breaker has the advantages of stable and reliable performance, high detection efficiency and good universality.
Claims (6)
1. A short-time withstand current detection device of a molded case circuit breaker is characterized in that: the wire-leading electrode assembly comprises two first pressing cylinders symmetrically arranged in the box body, a pulling plate arranged in linkage with the two first pressing cylinders, a plurality of wire-leading electrodes slidably arranged on the panel, a plurality of wire-leading electrodes arranged in the box body, and limiting blocks connected with one ends of the wire-leading electrodes on the pulling plate and forming linkage fit of the wire-leading electrodes and the pulling plate, and the wire-leading electrodes move along with the pulling plate and can be respectively pressed on a plurality of wire-leading wiring boards of the molded case circuit breaker, wherein the wire-leading electrode assembly comprises two lifting cylinders arranged in the box body, a lifting plate slidably arranged in the box body and in linkage fit with the two lifting cylinders, two second pressing cylinders symmetrically arranged on the lifting plate, a pressing plate movably arranged on the panel, and a plurality of wire-leading electrodes arranged in the box body and limiting blocks in linkage fit with the limiting blocks, and the wire-leading electrodes move along with the pulling plate and can be respectively pressed on a plurality of wire-leading wiring boards of the molded case circuit breaker, and the wire-leading electrodes can pass through the plurality of wire-leading wiring boards and can be respectively pressed on the pressing plates of the molded case circuit breaker, and the wire-leading electrode assembly can move along with the wire-leading electrode boards.
2. The molded case circuit breaker short-time withstand current detection device according to claim 1, wherein: the cylinder assembly comprises a supporting plate which corresponds to the plastic shell circuit breaker and is arranged on the panel at a plurality of moving contacts of the plastic shell circuit breaker, and a plurality of cylinders which are respectively arranged on the supporting plate, wherein a plurality of ejector rods are arranged on piston rods of the cylinders, and the ejector rods act along with the piston rods of the cylinders and can be abutted against the moving contacts of the plastic shell circuit breaker.
3. The molded case circuit breaker short-time withstand current detection device according to claim 1 or 2, characterized in that: the lifting device is characterized in that a guide rail is arranged at two ends of the box body corresponding to the lifting plate respectively, sliding blocks matched with the guide rail are arranged at two ends of the lifting plate respectively, the sliding blocks are clamped on the guide rail, and the sliding blocks move along with the lifting plate and can slide back and forth on the guide rail.
4. The molded case circuit breaker short-time withstand current detection device according to claim 1 or 2, characterized in that: the panel is provided with a plurality of guide sliding holes corresponding to the plurality of outlet electrodes, and the plurality of outlet electrodes move along with the lifting plate and can slide in the plurality of guide sliding holes in a reciprocating manner.
5. The molded case circuit breaker short-time withstand current detection device according to claim 1 or 2, characterized in that: the panel is provided with an insulating protective cover covering the plurality of incoming line electrodes.
6. The molded case circuit breaker short-time withstand current detection device according to claim 1 or 2, characterized in that: the box body on correspond a plurality of outlet electrode one side department be provided with put the thing backup pad, put and be provided with two bracing pieces between thing backup pad and the mechanism frame respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223613405.1U CN219162293U (en) | 2022-12-31 | 2022-12-31 | Short-time tolerance current detection device of molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223613405.1U CN219162293U (en) | 2022-12-31 | 2022-12-31 | Short-time tolerance current detection device of molded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219162293U true CN219162293U (en) | 2023-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223613405.1U Active CN219162293U (en) | 2022-12-31 | 2022-12-31 | Short-time tolerance current detection device of molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219162293U (en) |
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2022
- 2022-12-31 CN CN202223613405.1U patent/CN219162293U/en active Active
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