CN216981337U - Switch cabinet - Google Patents

Abstract

The utility model provides a switch cabinet, which comprises: the handcart cabinet comprises a first cabinet body unit, a second cabinet body unit and a third cabinet body unit, wherein the first cabinet body unit comprises a first cabinet shell, a handcart, a contact box assembly and a grounding switch assembly, and the handcart is movably arranged so as to enter the first cabinet shell or move out of the first cabinet shell; at least part of the contact box assembly penetrates through the first cabinet shell, and the grounding switch assembly is arranged on the outer side of the first cabinet shell; the second cabinet unit comprises a second cabinet shell and a mutual inductor assembly arranged in the second cabinet shell; be provided with a plurality of first connecting portion on the first cabinet shell, be provided with a plurality of second connecting portion on the second cabinet shell, a plurality of first connecting portion and a plurality of second connecting portion one-to-one set up and connect to make first cabinet shell and second cabinet shell detachably connect and set up side by side. The utility model provides a dismouting of cubical switchboard is more convenient, has solved the monolithic structure of cubical switchboard among the prior art and has made the very inconvenient problem of dismouting of cubical switchboard.

Description

Switch cabinet

Technical Field

The utility model relates to the technical field of switch cabinets, in particular to a switch cabinet.

Background

The centrally installed switchgear is important power distribution equipment in the field of medium-voltage complete power distribution cabinets, and the existing switchgear structure is mostly of an integral structure, large in size, large in weight, inconvenient to process and transport.

Moreover, when components are installed in the cabinet, the components generally need to be drilled into the cabinet for construction, the internal space of the cabinet body is limited, and the problems of inconvenience in installation and low assembly efficiency exist.

During operation of the equipment, if an irreparable failure occurs within a compartment, the entire cabinet typically needs to be removed and replaced, increasing maintenance time and economic costs.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a switch cabinet, which solves the problem that the switch cabinet is inconvenient to disassemble and assemble due to an integral structure of the switch cabinet in the prior art.

In order to achieve the above object, the present invention provides a switch cabinet, comprising: the handcart cabinet comprises a first cabinet body unit, a second cabinet body unit and a third cabinet body unit, wherein the first cabinet body unit comprises a first cabinet shell, a handcart, a contact box assembly and a grounding switch assembly, and the handcart is movably arranged so as to enter the first cabinet shell or move out of the first cabinet shell; at least part of the contact box assembly penetrates through the first cabinet shell, and the grounding switch assembly is arranged on the outer side of the first cabinet shell; the second cabinet unit comprises a second cabinet shell and a mutual inductor assembly arranged in the second cabinet shell; be provided with a plurality of first connecting portion on the first cabinet shell, be provided with a plurality of second connecting portion on the second cabinet shell, a plurality of first connecting portion and a plurality of second connecting portion one-to-one set up and connect to make first cabinet shell and second cabinet shell detachably connect and set up side by side.

Further, each first connecting portion is a first connecting hole, each second connecting portion is a second connecting hole, a plurality of first connecting holes and a plurality of second connecting holes are all arranged in a one-to-one correspondence mode with a plurality of locking pieces, and each locking piece is arranged in the corresponding first connecting hole and the corresponding second connecting hole in a penetrating mode.

Further, the mutual inductor assembly comprises a supporting plate and a plurality of mutual inductors distributed on the supporting plate at intervals, and the supporting plate is fixedly connected with the second cabinet shell; and/or the second cabinet unit further comprises a primary component arranged in the second cabinet shell; and/or the second cabinet unit further comprises a bus sleeve arranged in the second cabinet shell and a bus penetrating through the bus sleeve; and/or the second cabinet unit further comprises a partition arranged within the second cabinet housing to divide the interior cavity of the second cabinet housing into two cavity portions.

Furthermore, the contact box assembly comprises a plurality of contact boxes distributed at intervals, and each contact box penetrates through the first cabinet shell so that the contact part of each contact box is in contact with the contact part on the handcart in the first cabinet shell; and/or the grounding switch assembly comprises a plurality of grounding switches distributed at intervals, and each grounding switch comprises a fixed contact and a movable contact which is movably arranged so as to make the movable contact with or separate from the fixed contact; moving contacts of the grounding switches move synchronously; and/or the first cabinet unit further comprises a guide rail arranged in the first cabinet shell, and the handcart is movably arranged along the guide rail; and/or the first cabinet unit further comprises a second interlocking part arranged in the first cabinet shell, and the second interlocking part is used for being connected with a secondary plug of the handcart in a working position so as to limit the secondary plug and further enable the secondary plug and an inserted socket thereof to be in an interlocking state; and/or the first cabinet unit further comprises a blocking plate arranged in the first cabinet shell and positioned at the top, so that when the handcart is positioned in the first cabinet shell and at the working position, the blocking plate is in contact with or in clearance fit with the top of the handcart.

Furthermore, the contact box assembly also comprises a first mounting plate and a first packaging plate arranged on the first mounting plate, the first mounting plate is arranged at the inner side of the first cabinet shell, and each contact box sequentially penetrates through the first cabinet shell, the first mounting plate and the first packaging plate; and/or the grounding switch assembly also comprises a second mounting plate fixedly arranged on the outer side of the first cabinet shell, and the plurality of grounding switches are arranged on the second mounting plate; and/or the grounding switch assembly also comprises a rotating shaft which is rotatably arranged, and moving contacts of the plurality of grounding switches are connected with the rotating shaft; and/or the first cabinet unit further comprises a shielding plate which is arranged in the first cabinet shell and positioned on one side of the contact boxes, and the shielding plate is movably arranged so as to enable the shielding plate to have a shielding state for shielding the contact boxes and a yielding state away from the contact boxes.

Further, the first cabinet unit further comprises a support, and the support is fixedly arranged on the first mounting plate and fixedly connected with the guide rail.

Furthermore, a bus bar is arranged in the second cabinet shell, a plurality of first through holes are formed in the second cabinet shell, and after the second cabinet shell is connected with the first cabinet shell, a plurality of contact boxes are correspondingly arranged in the first through holes in a penetrating manner one by one so that each contact box is connected with the bus bar in the second cabinet shell; and/or the second cabinet shell is provided with a second through hole, after the second cabinet shell is connected with the first cabinet shell, the grounding switch assembly is arranged in the second through hole in a penetrating way, and a plurality of static contacts of the grounding switch assembly are connected with the bus in the second cabinet shell.

Furthermore, the switch cabinet also comprises an instrument box which is arranged at the upper part of the first cabinet shell; or the instrument box is positioned on one side of the first cabinet shell far away from the second cabinet shell; or a step structure is formed between the top wall of the first cabinet shell and the side wall of one side far away from the second cabinet shell, and the instrument box is arranged on the step structure.

Further, the instrument box comprises a box body, and the box body is detachably connected with the first cabinet shell; the box body is provided with an installation opening, an instrument door capable of being opened and closed is arranged at the installation opening, and the instrument door comprises a door body and at least one instrument part arranged on the door body; and/or a secondary element is arranged in the box body.

Furthermore, the grounding switch assembly comprises a grounding switch, and the grounding switch comprises a fixed contact and a movable contact which is movably arranged so as to make the movable contact with or separate from the fixed contact; the first cabinet unit further includes: the cabinet door is arranged on the first cabinet shell, and an interlocking matching part is arranged on the cabinet door; the first interlocking part is arranged on the handcart, and the first interlocking part on the handcart and positioned in the first cabinet shell is connected with the moving contact and is used for being matched with the interlocking matching part; the first interlocking part has an interlocking state connected with the interlocking fitting part and a separated state separated from the interlocking fitting part; when the first interlocking part is in an interlocking state, the moving contact is separated from the fixed contact; when the first interlocking part is in a separated state, the movable contact is contacted with or separated from the fixed contact.

Furthermore, the first interlocking part comprises a crank arm, the first end of the crank arm is of a locking hook structure, the interlocking matching part is a fixing pin, and the locking hook structure is used for hooking the locking hook on the fixing pin; and the second end of the crank arm is used for being connected with a moving contact of the grounding switch.

Furthermore, the grounding switch component also comprises a rotating shaft which is rotatably arranged and connected with the moving contact so as to drive the moving contact to move; the second end of the crank arm is provided with a convex part, the rotating shaft is provided with a groove part, and the convex part is embedded in the groove part so that the second end of the crank arm is connected with the rotating shaft.

By applying the technical scheme of the utility model, the switch cabinet comprises a first cabinet body unit and a second cabinet body unit, wherein the first cabinet body unit comprises a first cabinet shell, a handcart, a contact box assembly and a grounding switch assembly, and the handcart is movably arranged so as to enter into or move out of the first cabinet shell; at least part of the contact box assembly penetrates through the first cabinet shell, and the grounding switch assembly is arranged on the outer side of the first cabinet shell; the second cabinet unit comprises a second cabinet shell and a mutual inductor assembly arranged in the second cabinet shell; be provided with a plurality of first connecting portion on the first cabinet shell, be provided with a plurality of second connecting portion on the second cabinet shell, a plurality of first connecting portion and a plurality of second connecting portion one-to-one set up and connect to make first cabinet shell and second cabinet shell detachably connect and set up side by side.

In the concrete implementation process, the switch cabinet of this application has divided into two independent modules of first cabinet body unit and second cabinet body unit, in the installation, can assemble first cabinet body unit and second cabinet body unit respectively earlier, connects the first cabinet shell of the first cabinet body unit of equipment and the second cabinet shell of second cabinet body unit again, and then accomplishes the overall equipment of switch cabinet. The first cabinet shell is provided with a plurality of first connecting parts, the second cabinet shell is provided with a plurality of second connecting parts, the first connecting parts and the second connecting parts are correspondingly arranged and connected one by one to realize the cabinet combining connection of the first cabinet shell and the second cabinet shell, and the cabinet combining connection of the first cabinet shell and the second cabinet shell is simpler and more convenient due to the connecting mode; it is thus clear that the dismouting of the cubical switchboard of this application is more convenient, has solved the integral structure of the cubical switchboard among the prior art and has made the dismouting of cubical switchboard very inconvenient problem.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a schematic internal structural view of a switchgear cabinet according to the utility model;

fig. 2 shows an external structural representation from a first perspective of the switchgear cabinet in fig. 1;

fig. 3 shows an external structural diagram of the switchgear cabinet of fig. 1 from a second perspective;

fig. 4 shows an external structural diagram of a third perspective of the switchgear cabinet in fig. 1;

fig. 5 shows a schematic structural view of the first cabinet unit, the second cabinet unit and the instrument box of the switch cabinet in fig. 1 before assembly;

fig. 6 shows a schematic structural view of a first cabinet unit of the switchgear cabinet in fig. 1;

fig. 7 shows a schematic structural view of the contact box assembly of the first cabinet unit of the switchgear in fig. 6;

fig. 8 shows a schematic structural view of the earthing switch assembly of the first cabinet unit of the switchgear in fig. 6;

fig. 9 shows a schematic structural view of a first cabinet housing of a first cabinet unit of the switchgear cabinet in fig. 6;

fig. 10 shows a schematic view of the cooperating structure of the shutter, the sliding portion and the sliding rail of the first cabinet unit of the switchgear cabinet in fig. 6;

fig. 11 shows a schematic view of the arrangement of the first interlocking part of the first cabinet unit of the switchgear according to the utility model with the interlocking engagement and the rotary shaft;

fig. 12 shows a schematic structural view of a second cabinet unit of the switchgear cabinet in fig. 1;

fig. 13 shows a schematic structural view of a transformer assembly of the second cabinet unit of the switchgear in fig. 12;

figure 14 shows a structural schematic view of a supporting plate of the mutual inductor assembly of the second cabinet unit of the switchgear in figure 13;

fig. 15 shows a partial structural schematic view of a second cabinet unit of the switchgear cabinet in fig. 12;

fig. 16 shows a further perspective view of the fitting arrangement of the third mounting plate and the support beam of the second cabinet unit of the switchgear cabinet in fig. 12;

fig. 17 shows a schematic structural view of a second cabinet housing of the second cabinet unit of the switchgear in fig. 12;

fig. 18 shows a schematic view of the first end of the crank arm of the first interlocking part of fig. 11 being raised and lowered.

Wherein the figures include the following reference numerals:

1000. a switch cabinet;

100. a first cabinet unit; 101. a first cabinet housing; 1011. a first connection hole; 1012. a step structure; 1013. a cabinet door; 10131, getting on the door; 10132. a lower door; 102. a first interlocking part; 1021. a crank arm; 103. a guide rail; 104. a handcart; 1041. an interlocking fitting portion; 105. a second coupling member; 106. a blocking plate; 107. a contact box assembly; 1071. a support; 1072. a first mounting plate; 1074. a first package board; 1075. a contact box; 108. a shielding plate; 1081. a sliding part; 1082. a slide rail; 1083. A chute; 109. a ground switch assembly; 1092. a grounding switch; 10921. static contact; 10922. a moving contact; 1093. a second mounting plate; 1094. a rotating shaft; 1095. a groove part;

200. an instrument box; 210. a box body; 220. an instrument door;

300. a second cabinet unit; 301. a second cabinet housing; 3011. a second connection hole; 3012. a first cavity portion; 3013. a second chamber portion; 302. a transformer assembly; 3021. a reinforcing beam; 3022. a support plate; 3025. a connecting seat; 3026. a transformer; 303. A bus bushing; 304. a separator; 3041. a partition plate; 3042. a support beam; 3043. a third mounting plate; 305. a copper bar and bus assembly; 306. a primary cable assembly; 307. a secondary line; 308. a fender assembly.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The utility model provides a switch cabinet 1000, please refer to fig. 1 to 17, the switch cabinet 1000 includes a first cabinet unit 100 and a second cabinet unit 300, the first cabinet unit 100 includes a first cabinet shell 101, a handcart 104, a contact box assembly 107 and a grounding switch assembly 109, the handcart 104 is movably disposed to enter into or move out of the first cabinet shell 101; at least part of the contact box assembly 107 is arranged on the first cabinet shell 101 in a penetrating way, and the grounding switch assembly 109 is arranged on the outer side of the first cabinet shell 101; the second cabinet unit 300 includes a second cabinet case 301 and a transformer assembly 302 disposed inside the second cabinet case 301; be provided with a plurality of first connecting portion on the first cabinet shell 101, be provided with a plurality of second connecting portion on the second cabinet shell 301, a plurality of first connecting portion and a plurality of second connecting portion one-to-one set up and connect, each first connecting portion and corresponding second connecting portion are connected promptly to make first cabinet shell 101 and second cabinet shell 301 detachably connect and set up side by side.

In the specific implementation process, the switch cabinet 1000 of the present application is divided into two independent modules, namely, the first cabinet unit 100 and the second cabinet unit 300, and in the installation process, the first cabinet unit 100 and the second cabinet unit 300 can be assembled respectively, and then the first cabinet shell 101 of the first cabinet unit 100 and the second cabinet shell 301 of the second cabinet unit 300 are connected, so as to complete the overall assembly of the switch cabinet 1000. Moreover, the first cabinet shell 101 is provided with a plurality of first connecting parts, the second cabinet shell 301 is provided with a plurality of second connecting parts, and the first connecting parts and the second connecting parts are correspondingly arranged and connected one by one to realize cabinet combination connection of the first cabinet shell 101 and the second cabinet shell 301 (namely, the first cabinet shell 101 and the second cabinet shell 301 are arranged side by side), so that the cabinet combination connection of the first cabinet shell 101 and the second cabinet shell 301 is simpler and more convenient; it can be seen that the switch cabinet 1000 of the present application is more convenient to disassemble and assemble, and solves the problem that the disassembly and assembly of the switch cabinet are very inconvenient due to the integral structure of the switch cabinet in the prior art.

Optionally, the switchgear 1000 of the present application is a centrally installed switchgear.

Alternatively, the first cabinet unit 100 and the second cabinet unit 300 are arranged in front and rear such that the first cabinet unit 100 is a front cabinet unit and the second cabinet unit 300 is a rear cabinet unit.

Specifically, as shown in fig. 9 and 17, each first connection portion is a first connection hole 1011, each second connection portion is a second connection hole 3011, the plurality of first connection holes 1011 and the plurality of second connection holes 3011 are all disposed in one-to-one correspondence with the plurality of locking members, and each locking member is inserted into the corresponding first connection hole 1011 and the corresponding second connection hole 3011.

Optionally, the retaining member is a bolt and the retaining member is riveted with a nut, for example, a flat-head hexagonal blind rivet nut.

It should be noted that the first cabinet 101 and the second cabinet 301 of the present application can be used alternatively.

Optionally, the trolley 104 is a circuit breaker trolley.

As shown in fig. 6 and 7, the contact box assembly 107 includes a plurality of spaced apart contact boxes 1075, each of the contact boxes 1075 being disposed through the first cabinet 101 such that a contact portion of each of the contact boxes 1075 contacts a contact portion on the hand truck 104 located in the first cabinet 101, even though a cylindrical contact portion of each of the contact boxes 1075 contacts a cup-shaped contact portion on the hand truck 104 located in the first cabinet 101.

Specifically, the contact box assembly 107 further includes a first mounting plate 1072 and a first encapsulating plate 1074 disposed on the first mounting plate 1072, the first mounting plate 1072 is disposed inside the first cabinet 101, and each contact box 1075 is sequentially disposed through the first cabinet 101, the first mounting plate 1072 and the first encapsulating plate 1074; the contact box assembly 107 can be operated and completed in the outer space of the first cabinet shell 101, the operation space is wide, comfortable and efficient installation and production can be realized by means of quick tools such as a mechanical arm, and the assembled contact box assembly 107 is installed on the first cabinet shell 101.

Specifically, the first enclosure plate 1074, the first mounting plate 1072 and the first cabinet housing 101 are relatively fixed to each other by sequentially passing first bolts through the first cabinet housing 101, the first mounting plate 1072 and the first enclosure plate 1074.

Optionally, the first package plate 1074 is plural, the plurality of contact boxes 1075 are divided into plural groups, each group of contact boxes has a plurality of contact boxes 1075; the multiple groups of contact boxes are arranged in one-to-one correspondence with the multiple first packaging plates 1074, and the multiple contact boxes 1075 of each group of contact boxes are distributed on the corresponding first packaging plates 1074 at intervals; a plurality of first package plates 1074 are disposed at intervals on the first mounting plate 1072.

As shown in fig. 6, 8 and 11, the earthing switch assembly 109 includes a plurality of earthing switches 1092 distributed at intervals, and each earthing switch 1092 includes a fixed contact 10921 and a movable contact 10922 disposed movably, so that the movable contact 10922 contacts with or separates from the fixed contact 10921, thereby implementing closing or opening of the earthing switch 1092.

Specifically, the moving contacts 10922 of the grounding switches 1092 move synchronously, so that the grounding switches 1092 are synchronously switched on or switched off.

Specifically, the earthing switch assembly 109 further includes a rotating shaft 1094, the rotating shaft 1094 is rotatably disposed around a central axis thereof, and the movable contacts 10922 of the earthing switches 1092 are all connected to the rotating shaft 1094 so as to drive the movable contacts 10922 of the earthing switches 1092 to move synchronously when the rotating shaft 1094 rotates.

Specifically, the earthing switch assembly 109 further includes a second mounting plate 1093, the earthing switches 1092 being disposed on the second mounting plate 1093; namely, the fixed contacts 10921 of the plurality of earthing switches 1092 are all fixedly arranged on the second mounting plate 1093, the rotating shaft 1094 is rotatably arranged on the second mounting plate 1093, and the central axis of the rotating shaft 1094 is parallel to the plate surface of the second mounting plate 1093; the installation of earthing switch subassembly 109 can be accomplished in the outside space operation of first cabinet shell 101, and operating space is wide, can realize comfortable, efficient installation production with the help of quick frocks such as manipulators, again with the earthing switch subassembly 109 of assembling install on first cabinet shell 101 can.

Optionally, the ground switch assembly 109 is disposed on the same side of the first cabinet housing 101 as the plurality of contact boxes 1075.

Specifically, the second mounting plate 1093 and the first cabinet case 101 are fastened by second bolts.

Specifically, the first cabinet unit 100 further comprises a cabinet door 1013 mounted on the first cabinet housing 101, the cabinet door 1013 being provided with an interlock fitting 1041; namely, the first cabinet housing 101 has a first mounting opening, the first cabinet unit 100 further includes a cabinet door 1013 openably and closably provided at the first mounting opening.

Specifically, the earthing switch assembly 109 comprises an earthing switch 1092, the earthing switch 1092 comprises a fixed contact 10921 and a movable contact 10922 movably arranged so as to make the movable contact 10922 contact with or separate from a fixed contact 10921; the first cabinet unit 100 further includes a first interlocking member 102 disposed on the handcart 104, and the first interlocking member 102 on the handcart 104 located in the first cabinet 101 is connected with the movable contact 10922 and is used for cooperating with the interlocking cooperating portion 1041; the first interlocking member 102 has an interlocking state connected with the interlocking fitting part 1041 and a separated state separated from the interlocking fitting part 1041, and the first interlocking member 102 is movably arranged to be changed between the interlocking state and the separated state, and the first interlocking member 102 drives the movable contact 10922 to move, so that the movable contact 10922 is contacted with or separated from the fixed contact 10921; when the first interlocking part 102 is in the interlocking state, the movable contact 10922 is separated from the fixed contact 10921; when the first interlocking part 102 is in the separated state, the movable contact 10922 is in contact with or separated from the stationary contact 10921.

It should be noted that, when the first interlocking member 102 is in an interlocking state connected to the interlocking mating portion 1041, the handcart 104 is located in the first cabinet housing 101 and is in a working position, at this time, the handcart 104 and the cabinet door 1013 are in a forced interlocking state, the cabinet door 1013 cannot be opened, and at this time, the moving contact 10922 is separated from the fixed contact 10921, that is, the grounding switch 1092 is in a breaking state; when the first interlocking member 102 is in a separated state separated from the interlocking mating part 1041, the handcart 104 is located in the first cabinet housing 101 and is in a test position (also called an off position), at this time, the handcart 104 and the cabinet door 1013 are not in a forced interlocking state, the cabinet door 1013 can be opened, and at this time, the movable contact 10922 is in contact with or separated from the fixed contact 10921, that is, the grounding switch 1092 is in a closing state or a breaking state; that is, when the first interlocking part 102 is in the interlocking state of being connected to the interlocking fitting portion 1041, the ground switch 1092 is necessarily in the open state; when the grounding switch 1092 is in a closed state, the first interlocking part 102 is necessarily in a separated state separated from the interlocking fitting part 1041; when the earthing switch 1092 is in the open state, the first interlocking member 102 may also be in a separated state from the interlocking fitting portion 1041; therefore, the condition that the handcart 104 is in the working position and the grounding switch 1092 is in the closing state can be avoided, and the short-circuit fault of the line can be further avoided.

Specifically, when the earthing switch assembly 109 includes a plurality of earthing switches 1092, the moving contacts 10922 of the earthing switches 1092 are all connected to the first interlocking part 102, so that when the first interlocking part 102 moves between the interlocking state and the disconnecting state, the first interlocking part 102 drives the moving contacts 10922 to move synchronously, so that each moving contact 10922 contacts with or is separated from the corresponding fixed contact 10921, and then the earthing switches 1092 are switched on or switched off simultaneously.

Specifically, the first interlocking part 102 is coupled to the rotating shaft 1094 to rotate the rotating shaft 1094 when the first interlocking part 102 is moved between the interlocked state and the separated state.

Specifically, the first interlocking part 102 includes an crank arm 1021, a first end of the crank arm 1021 is used for being matched with the interlocking matching part 1041, and a second end of the crank arm 1021 is used for being connected with the movable contact 10922 of the grounding switch 1092, that is, a second end of the crank arm 1021 is used for being connected with the rotating shaft 1094, so as to drive the rotating shaft 1094 to rotate when the crank arm 1021 moves.

Specifically, the first end of the crank arm 1021 is a latch hook structure, the interlocking mating part 1041 is a fixing pin, and the latch hook structure is used for hooking on the fixing pin to realize that the first interlocking part 102 is connected with the interlocking mating part 1041.

Alternatively, as shown in fig. 18, when the first end of the lever arm 1021 is raised, the latch hook structure is in a separated state separated from the fixing pin; when the first end of the crank arm 1021 falls, the latch hook structure is hooked on the fixed pin to be in an interlocking state.

Specifically, the second end of the crank arm 1021 is provided with a protrusion portion, the rotating shaft 1094 is provided with a groove portion 1095, and the protrusion portion is embedded in the groove portion 1095, so that the second end of the crank arm 1021 is connected with the rotating shaft 1094.

Optionally, the groove portion 1095 is a strip structure, and the groove portion 1095 extends along the axial direction of the rotating shaft 1094; the protruding portion is a strip-shaped structure, and the extending direction of the protruding portion is parallel to the axial direction of the rotating shaft 1094.

Alternatively, both ends of the groove portion 1095 may extend to both end surfaces of the rotation shaft 1094 in the axial direction of the rotation shaft 1094.

For example, two radial lines of a preset circle are arranged at intervals to divide the preset circle into two parts, namely a first part circle and a second part circle, wherein the area of the first part circle is larger than that of the second part circle; the section of the rotation shaft 1094 perpendicular to the axial direction thereof is a first partial circle of the predetermined circle, and the section of the groove cavity of the groove portion 1095 perpendicular to the extending direction thereof is a second partial circle of the predetermined circle. Optionally, the two radial lines of the preset circle are perpendicular to each other.

Specifically, the cabinet door 1013 includes an upper door 10131 and a lower door 10132 distributed in sequence in the vertical direction, and the interlocking fitting 1041 is generally disposed on the lower door 10132; that is, when the handcart 104 is in a forced interlocking state with the lower door 10132, the lower door 10132 cannot be opened, so that the cavity part corresponding to the lower door 10132 in the first cabinet shell 101 forms a live interval. As shown in fig. 6, the first cabinet unit 100 further includes a guide rail 103 disposed within the first cabinet 101, and the hand truck 104 is movably disposed along the guide rail 103 to move the hand truck 104 into or out of the first cabinet 101.

Specifically, the first cabinet unit 100 further includes a support 1071, the support 1071 is fixedly disposed on the first mounting plate 1072 and is fixedly connected to the guide rail 103, so as to assist in supporting the guide rail 103, and further ensure the stability of the handcart 104 moving along the guide rail 103.

Specifically, the first cabinet unit 100 further includes a second interlocking member 105 disposed in the first cabinet 101, and the second interlocking member 105 is configured to be connected to a secondary plug of the handcart 104 in the working position to limit the secondary plug, so that the secondary plug and the socket in which the secondary plug is inserted are in an interlocking state, even if the secondary plug cannot be unplugged from the socket in which the secondary plug is inserted.

Optionally, the second interlocking member 105 is disposed on the top of the first cabinet 101, and the socket into which the secondary plug is inserted is an aviation socket.

Specifically, the first cabinet unit 100 further includes a blocking plate 106 disposed inside the first cabinet 101 and located at the top, so that when the hand truck 104 is in the first cabinet 101 and in the working position, the blocking plate 106 is in contact with or in clearance fit with the top of the hand truck 104, so as to prevent the hands of the staff from passing from the top of the hand truck 104 to the contact box assembly 107, and particularly, when the hand truck 104 is in the working position and is electrically operated, so as to prevent the hands of the staff from passing from the top of the hand truck 104 to the contact arm with electricity; wherein the hot contact arm of the hand truck 104 extends into the contact box assembly 107 when the hand truck 104 is in the operating position.

Optionally, a fourth bolt is arranged on the blocking plate and the first cabinet shell 101 in a penetrating manner, so that the blocking plate and the first cabinet shell 101 are relatively fixed, and a hexagonal blind rivet nut is riveted on the fourth bolt.

Specifically, as shown in fig. 6 and 10, the first cabinet unit 100 further includes a shielding plate 108 disposed inside the first cabinet shell 101 and located at one side of the plurality of contact boxes 1075, the shielding plate 108 being movably disposed so that the shielding plate 108 has a shielding state for shielding the plurality of contact boxes 1075 and a receding state away from the plurality of contact boxes 1075; when the hand truck 104 leaves the operating position or is withdrawn from the first cabinet housing 101, the shutter 108 moves to its shielding state, and when the hand truck 104 is pushed from the testing position to the operating position, the shutter 108 moves to its abdicating state to expose the plurality of contact boxes 1075.

Specifically, the first cabinet unit 100 further includes a slide rail 1082 fixedly provided on an inner wall of the first cabinet case 101 and a slide portion 1081 connected with the shielding plate 108, the slide portion 1081 being slidably provided along the slide rail 1082 such that when the shielding plate 108 moves, the slide portion 1081 slides along the slide rail 1082. Optionally, the slide rail 1082 extends in a vertical direction.

Specifically, the slide rail 1082 has a slide groove 1083, at least a part of the slide portion 1081 is slidably disposed within the slide groove 1083, and an extending direction of the slide groove 1083 is the same as an extending direction of the slide rail 1082.

Optionally, the number of the slide rails 1082 and the slide portions 1081 is two, and the two slide rails 1082 and the two slide portions 1081 are disposed in a one-to-one correspondence manner; two sliding portions 1081 are provided at both ends of the shutter 108 in a direction perpendicular to the extending direction of the slide rail 1082.

Specifically, the first cabinet unit 100 further comprises a driving member in transmission connection with the shielding plate 108 to drive the shielding plate 108 to move.

In the present embodiment, as shown in fig. 12 to 14, the transformer assembly 302 includes a support plate 3022 and a plurality of transformers 3026 spaced apart on the support plate 3022, the support plate 3022 being fixedly connected with the second cabinet housing 301.

Specifically, the transformer assembly 302 further includes two bar-shaped connection sockets 3025, the two connection sockets 3025 are respectively disposed at two opposite sides of the support plate 3022, and both the two connection sockets 3025 are fixedly connected to the support plate 3022 and both the second cabinet shell 301, so that the support plate 3022 is fixedly connected to the second cabinet shell 301 through the two connection sockets 3025.

Alternatively, a third bolt is sequentially arranged on the support plate 3022, the connecting seat 3025 and the second cabinet shell 301 in a penetrating manner, so that the support plate 3022, the connecting seat 3025 and the second cabinet shell 301 are relatively fixed, and a flat-head hexagonal blind rivet nut is riveted on the third bolt.

Specifically, the transformer assembly 302 further includes a reinforcing beam 3021, the reinforcing beam 3021 and the plurality of transformers 3026 are respectively located on both sides of the support plate 3022, and the reinforcing beam 3021, the support plate 3022 and the transformers 3026 are relatively fixed by sequentially passing fasteners through the reinforcing beam 3021, the support plate 3022 and the transformers 3026. Optionally, the fastener is a bolt.

Optionally, each transformer 3026 is fastened to the reinforcing beam 3021, that is, the reinforcing beam 3021 extends in the same direction as the distribution direction of the transformers 3026; the reinforcing beam 3021 is provided in plurality, and the reinforcing beams 3021 are spaced apart from each other in a direction perpendicular to the direction in which the transformers 3026 are distributed.

In a specific implementation process, the transformer assembly 302 may be first installed in the second cabinet 301, and then the second cabinet 301 is connected to the first cabinet 101, or the second cabinet 301 may be connected to the first cabinet 101, and then the transformer assembly 302 is installed in the second cabinet 301, so as to facilitate flexible arrangement of the production sequence.

Specifically, the second cabinet unit 300 further includes a partition 304 disposed in the second cabinet 301 to divide the internal cavity of the second cabinet 301 into two cavity portions, the two cavity portions are a first cavity portion 3012 and a second cavity portion 3013, respectively, and the transformer assembly 302 is located in the first cavity portion 3012.

Specifically, as shown in fig. 12, 15 and 16, the partition 304 includes a partition 3041, the partition 3041 divides the internal cavity of the second cabinet casing 301 into two cavity portions distributed in the vertical direction, i.e., a first cavity portion 3012 and a second cavity portion 3013 distributed up and down in the vertical direction; optionally, the first cavity portion 3012 is located above the second cavity portion 3013.

Specifically, the partition 304 further includes a third mounting plate 3043 and a plurality of support beams 3042, the third mounting plate 3043 is disposed on the inner wall of the first cavity portion 3012, the plurality of support beams 3042 are disposed on the third mounting plate 3043 and are distributed at intervals along the vertical direction, and each support beam 3042 extends along the horizontal direction to fix the third mounting plate 3043 on the second cabinet shell 301.

Specifically, the second cabinet unit 300 further includes a bus bar bushing 303 disposed inside the second cabinet case 301 and a bus bar penetrating through the bus bar bushing 303, i.e., the bus bar is disposed inside the second cabinet case 301. The bus bar sleeve 303 is located in the second cavity portion 3013.

Specifically, the second cabinet unit 300 further includes a primary component disposed in the second cabinet 301, and the primary component is disposed in the second cavity portion 3013.

In the present embodiment, the switch cabinet 1000 further includes an instrument box 200, and the instrument box 200 is detachably disposed outside the first cabinet case 101.

In a specific implementation process, the switch cabinet 1000 of the present application is divided into three modules, and in an installation process, the first cabinet unit 100, the second cabinet unit 300 and the instrument box 200 may be assembled first, and then the first cabinet shell 101 of the assembled first cabinet unit 100 and the second cabinet shell 301 of the second cabinet unit 300 are connected; the assembled instrument box 200 is then connected to the first cabinet housing 101, thereby completing the overall assembly of the switchgear 1000. This application is done instrument box 200 into independent detachable module, can accomplish instrument box 200's equipment at ground assembly line station, and instrument box 200 hoist and mount that will assemble again are on first cabinet shell 101, have not only alleviateed intensity of labour, have reduced the safety risk moreover.

Specifically, the instrument box 200 is disposed at an upper portion of the first cabinet case 101; or the instrument box 200 is located at a side of the first cabinet 101 away from the second cabinet 301; or a stepped structure 1012 is formed between the top wall of the first cabinet 101 and the side wall of the side remote from the second cabinet 301, and the instrument box 200 is disposed on the stepped structure 1012.

In the present embodiment, as shown in fig. 5, the instrument canister 200 includes a canister body 210, and the canister body 210 is detachably connected to the first cabinet 101.

Specifically, the instrument canister 200 further includes an instrument door 220, and the case 210 has a second mounting opening at which the instrument door 220 is openably and closably provided; the instrument door 220 comprises a door body and at least one instrument part arranged on the door body; wherein the box 210 and the meter door 220 enclose a closed box structure.

Optionally, the at least one meter component comprises at least one handling component, at least one display meter and at least one indicator light; wherein, at least one control component comprises a control screen and at least one control button.

Specifically, opposite sides of the meter door 220 are provided with a hinge and a door lock, respectively, to allow the meter door 220 to be rotatably opened and closed, and to interlock the meter door 220 with the case 210 by the door lock after the meter door 220 is closed.

Specifically, a secondary component is arranged in the box body 210, and the secondary component includes a switching-on/off indicator light, a switching-on/off button, a switch, a wiring terminal, a miniature circuit breaker, a lighting lamp, a temperature and humidity controller, a microcomputer protection device and the like; a secondary connecting line is also provided in the case 210. This application is done instrument box 200 into independent detachable module, can accomplish again with instrument box 200 hoist and mount on first cabinet shell 101 after the assembly of most secondary line at ground assembly line station, has not only alleviateed intensity of labour, has reduced the safety risk moreover.

In this embodiment, the second cabinet shell 301 is provided with a plurality of first through holes, and after the second cabinet shell 301 is connected to the first cabinet shell 101, the contact boxes 1075 are correspondingly inserted into the first through holes one by one, so that each contact box 1075 is connected to a bus bar in the second cabinet shell 301.

In this embodiment, the second cabinet shell 301 is provided with a second through hole, and after the second cabinet shell 301 is connected to the first cabinet shell 101, the grounding switch assembly 109 is inserted into the second through hole, so that the plurality of fixed contacts 10921 of the grounding switch assembly 109 are all connected to the bus bar in the second cabinet shell 301.

Specifically, the bus bar includes a plurality of first branch lines, and the plurality of contact boxes 1075 are disposed and connected in one-to-one correspondence with the plurality of first branch lines; the bus bar includes a plurality of second branch lines, and the plurality of static contacts 10921 are arranged and connected with the plurality of second branch lines in a one-to-one correspondence.

In this embodiment, the switch cabinet 1000 further includes an operation and maintenance component, where the operation and maintenance component includes a sensor, an electric execution unit, a state monitoring unit, a switch control loop, and an intelligent centralized control unit, so that the switch cabinet 1000 has functions of data acquisition, state monitoring, fault diagnosis, and remote control.

In this embodiment, the bus bars within the second cabinet housing 301 comprise a copper bar bus bar assembly 305.

In this embodiment, the switchgear 1000 further comprises a primary cable assembly 306, the primary cable assembly 306 being arranged within the second cabinet housing 301.

In this embodiment, the switchgear 1000 further comprises a secondary wire 307, the secondary wire 307 being laid within the second cabinet housing 301.

Specifically, the second cabinet unit 300 further includes a guard plate assembly 308 disposed in the second cabinet 301, and at least a portion of the secondary wire 307 is laid in a space surrounded by the guard plate assembly 308.

Specifically, the sheathing assembly 308 includes a plurality of sheathing that enclose a laying space of the secondary wire 307.

In a specific implementation process, the installation method suitable for the switch cabinet 1000 includes: the first cabinet unit 100, the second cabinet unit 300, and the meter box 200 are assembled, respectively; connecting the first cabinet case 101 of the first cabinet unit 100 and the second cabinet case 301 of the second cabinet unit 300 assembled; the assembled instrument box 200 is connected with the first cabinet case 101.

Specifically, the method of assembling the second cabinet unit 300 includes: assembling the transformer assembly 302 and the separator 304 respectively; the busbar casing 303, the assembled transformer assembly 302 and the primary component are respectively installed in the second cabinet 301.

Specifically, the method of assembling the first cabinet unit 100 includes: respectively assembling the contact box assembly 107 and the grounding switch assembly 109; the rail 103, the earthing switch assembly 109, the first interlocking part 102, the shutter plate 108, the contact box assembly 107, the second interlocking part 105 and the blocking plate 106 are mounted on the first cabinet housing 101 in this order.

Specifically, after the assembled instrument box 200 is connected with the first cabinet shell 101, the various units of the operation and maintenance assembly are installed; laying a secondary line 307 to complete assembly of the product assembly; installation of the cable assembly 306 is again performed to form a completed product.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

in the switch cabinet 1000 provided by the utility model, the switch cabinet 1000 comprises a first cabinet unit 100 and a second cabinet unit 300, the first cabinet unit 100 comprises a first cabinet shell 101, a handcart 104, a contact box assembly 107 and a grounding switch assembly 109, and the handcart 104 is movably arranged to enter into or move out of the first cabinet shell 101; at least part of the contact box assembly 107 is arranged on the first cabinet shell 101 in a penetrating way, and the grounding switch assembly 109 is arranged on the outer side of the first cabinet shell 101; the second cabinet unit 300 includes a second cabinet case 301 and a transformer assembly 302 disposed inside the second cabinet case 301; be provided with a plurality of first connecting portion on the first cabinet shell 101, be provided with a plurality of second connecting portion on the second cabinet shell 301, a plurality of first connecting portion and a plurality of second connecting portion one-to-one set up and connect to make first cabinet shell 101 and second cabinet shell 301 detachably connect and set up side by side.

In the specific implementation process, the switch cabinet 1000 of the present application is divided into two independent modules, namely, the first cabinet unit 100 and the second cabinet unit 300, and in the installation process, the first cabinet unit 100 and the second cabinet unit 300 can be assembled respectively, and then the first cabinet shell 101 of the first cabinet unit 100 and the second cabinet shell 301 of the second cabinet unit 300 are connected, so as to complete the overall assembly of the switch cabinet 1000. Moreover, the first cabinet shell 101 is provided with a plurality of first connecting parts, the second cabinet shell 301 is provided with a plurality of second connecting parts, and the first connecting parts and the second connecting parts are correspondingly arranged and connected one by one to realize cabinet combination connection of the first cabinet shell 101 and the second cabinet shell 301 (namely, the first cabinet shell 101 and the second cabinet shell 301 are arranged side by side), so that the cabinet combination connection of the first cabinet shell 101 and the second cabinet shell 301 is simpler and more convenient; it can be seen that the cubical switchboard 1000 of this application dismouting is more convenient, has solved the integral structure of the cubical switchboard among the prior art and has made the dismouting of cubical switchboard very inconvenient problem.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …", "above … …", "above … …", "above", and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A switchgear, comprising:

a first cabinet unit (100), the first cabinet unit (100) comprising a first cabinet housing (101), a handcart (104) contact box assembly (107) and an earthing switch assembly (109), the handcart (104) being movably arranged to enter into or move out of the first cabinet housing (101); at least part of the contact box assembly (107) penetrates through the first cabinet shell (101), and the grounding switch assembly (109) is arranged on the outer side of the first cabinet shell (101);

a second cabinet unit (300), the second cabinet unit (300) comprising a second cabinet housing (301) and a transformer assembly (302) disposed within the second cabinet housing (301); be provided with a plurality of first connecting portion on first cabinet shell (101), be provided with a plurality of second connecting portion on second cabinet shell (301), a plurality of first connecting portion with a plurality of second connecting portion one-to-one set up and connect, so that first cabinet shell (101) with second cabinet shell (301) detachably connects and sets up side by side.

2. Switch cabinet according to claim 1,

each first connecting portion are first connecting hole (1011), each second connecting portion are second connecting hole (3011), and are a plurality of first connecting hole (1011) and a plurality of second connecting hole (3011) all sets up with a plurality of retaining member one-to-one, and each retaining member is worn to establish correspondingly first connecting hole (1011) and corresponding in second connecting hole (3011).

3. Switch cabinet according to claim 1,

the transformer assembly (302) comprises a supporting plate (3022) and a plurality of transformers (3026) distributed on the supporting plate (3022) at intervals, wherein the supporting plate (3022) is fixedly connected with the second cabinet shell (301); and/or

The second cabinet unit (300) further comprises a primary component arranged in the second cabinet shell (301); and/or

The second cabinet unit (300) further comprises a bus bar bushing (303) arranged in the second cabinet shell (301) and a bus bar penetrating through the bus bar bushing (303); and/or

The second cabinet unit (300) further comprises a partition (304) arranged within the second cabinet housing (301) to divide the interior cavity of the second cabinet housing (301) into two cavity portions; and/or

The contact box assembly (107) comprises a plurality of contact boxes (1075) distributed at intervals, and each contact box (1075) penetrates through the first cabinet shell (101) so that a contact part of each contact box (1075) is in contact with a contact part on a handcart (104) in the first cabinet shell (101); and/or

The earthing switch assembly (109) comprises a plurality of earthing switches (1092) distributed at intervals, each earthing switch (1092) comprises a fixed contact (10921) and a movable contact (10922) arranged movably, so that the movable contact (10922) is in contact with or separated from the fixed contact (10921); wherein, the moving contacts (10922) of the plurality of grounding switches (1092) all move synchronously; and/or

The first cabinet unit (100) further comprises a guide rail (103) arranged in the first cabinet housing (101), and the handcart (104) is movably arranged along the guide rail (103); and/or

The first cabinet unit (100) further comprises a second interlocking component (105) arranged in the first cabinet shell (101), wherein the second interlocking component (105) is used for being connected with a secondary plug of the handcart (104) in a working position so as to limit the secondary plug, and the secondary plug and an inserted socket of the secondary plug are in an interlocking state; and/or

The first cabinet unit (100) further comprises a blocking plate (106) which is arranged in the first cabinet shell (101) and located at the top, so that when the handcart (104) is located in the first cabinet shell (101) and located at the working position, the blocking plate (106) is in contact with or in clearance fit with the top of the handcart (104).

4. Switch cabinet according to claim 3,

the contact box assembly (107) further comprises a first mounting plate (1072) and a first packaging plate (1074) arranged on the first mounting plate (1072), the first mounting plate (1072) is arranged on the inner side of the first cabinet shell (101), and each contact box (1075) sequentially penetrates through the first cabinet shell (101), the first mounting plate (1072) and the first packaging plate (1074); and/or

The grounding switch assembly (109) further comprises a rotating shaft (1094), the rotating shaft (1094) is rotatably arranged, and the movable contacts (10922) of the grounding switches (1092) are connected with the rotating shaft (1094); and/or

The first cabinet unit (100) further comprises a shielding plate (108) arranged in the first cabinet shell (101) and located on one side of the contact boxes (1075), wherein the shielding plate (108) is movably arranged so that the shielding plate (108) has a shielding state for shielding the contact boxes (1075) and a abdicating state away from the contact boxes (1075).

5. Switch cabinet according to claim 3,

the second cabinet shell (301) is provided with a plurality of first through holes, and after the second cabinet shell (301) is connected with the first cabinet shell (101), the contact boxes (1075) are correspondingly arranged in the first through holes in a one-to-one manner, so that the contact boxes (1075) are connected with a bus bar in the second cabinet shell (301); and/or

The second cabinet shell (301) is provided with a second through hole, when the second cabinet shell (301) is connected with the first cabinet shell (101), the grounding switch assembly (109) is arranged in the second through hole in a penetrating mode, and a plurality of static contacts (10921) of the grounding switch assembly (109) are connected with a bus in the second cabinet shell (301).

6. The switchgear cabinet according to claim 1, characterized in that the switchgear cabinet further comprises an instrument box (200),

the instrument box (200) is arranged at the upper part of the first cabinet shell (101); or

The instrument box (200) is positioned on one side of the first cabinet shell (101) far away from the second cabinet shell (301); or

A step structure (1012) is formed between the top wall of the first cabinet shell (101) and the side wall far away from one side of the second cabinet shell (301), and the instrument box (200) is arranged on the step structure (1012).

7. The switchgear cabinet according to claim 6, wherein the instrument box (200) comprises a box body (210), the box body (210) being detachably connected with the first cabinet housing (101);

the box body (210) is provided with an installation opening, an instrument door (220) capable of being opened and closed is arranged at the installation opening, and the instrument door (220) comprises a door body and at least one instrument part arranged on the door body; and/or

And a secondary component is arranged in the box body (210).

8. A switchgear as claimed in claim 1, characterized in that said earthing switch assembly (109) comprises an earthing switch (1092), said earthing switch (1092) comprising a stationary contact (10921) and a movable contact (10922) movably arranged to bring said movable contact (10922) into or out of contact with said stationary contact (10921); the first cabinet unit (100) further comprises:

a cabinet door (1013) mounted on the first cabinet housing (101), the cabinet door (1013) being provided with an interlocking fitting part (1041);

the first interlocking part (102) is arranged on the handcart (104), and the first interlocking part (102) on the handcart (104) in the first cabinet shell (101) is connected with the movable contact (10922) and is used for being matched with the interlocking matching part (1041); the first interlocking part (102) has an interlocking state connected with the interlocking fitting part (1041) and a separated state separated from the interlocking fitting part (1041); when the first interlocking part (102) is in an interlocking state, the movable contact (10922) is separated from the fixed contact (10921); when the first interlocking part (102) is in a separated state, the movable contact (10922) is contacted with or separated from the fixed contact (10921).

9. The switch cabinet according to claim 8, wherein the first interlocking part (102) comprises a crank arm (1021), a first end of the crank arm (1021) is a locking hook structure, the interlocking engagement part (1041) is a fixed pin, and the locking hook structure is used for hooking on the fixed pin; and the second end of the crank arm (1021) is used for being connected with a movable contact (10922) of the grounding switch (1092).

10. The switchgear cabinet according to claim 9, wherein the grounding switch assembly (109) further comprises a rotating shaft (1094), the rotating shaft (1094) is rotatably disposed and connected to the movable contact (10922) to move the movable contact (10922);

the second end of the crank arm (1021) is provided with a protruding portion, the rotating shaft (1094) is provided with a groove portion (1095), and the protruding portion is embedded in the groove portion (1095) so that the second end of the crank arm (1021) is connected with the rotating shaft (1094).

Images