CN212751585U

CN212751585U - Armored movable alternating current metal switch equipment

Info

Publication number: CN212751585U
Application number: CN202021742562.0U
Authority: CN
Inventors: 李金利
Original assignee: Dongguan Keli Electrical Equipment Engineering Co ltd
Current assignee: Dongguan Keli Electrical Equipment Engineering Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-03-19
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses an armor withdrawable alternating current metal switch device, which belongs to the technical field of high-voltage switch devices and comprises a left cabinet, a right cabinet, a first separating plate, a second separating plate, a bearing mechanism, a driving mechanism, a filtering mechanism and a protective frame, when a circuit breaker handcart needs to be overhauled, the bearing mechanism is adjusted and arranged in front of the cabinet door, the circuit breaker handcart is overhauled, finally the bearing mechanism is adjusted and arranged on one side wall of the left cabinet, in rainy weather, a motor is started to operate, a cam is driven by the output end of the motor to rotate, a slide block is driven to do linear motion in a cam chute, a baffle is driven to extend outwards to open a slide way, external air is preheated by heat dissipation metal, then passes through a first heating wire, internal air is quickly discharged, and is dried and dehumidified by a second heating wire, the baffle is reset, under the condition that a transfer vehicle is not, the handcart of the circuit breaker is overhauled, so that the internal overheating of electrical elements and the rapid drying of internal air in rainy days are prevented.

Description

Armored movable alternating current metal switch equipment

Technical Field

The utility model belongs to the technical field of high tension switchgear technique and specifically relates to a metal-clad withdrawable alternating current metal switch equipment is related to.

Background

The armored movable AC metal switch equipment is used in three-phase AC 50HZ and 12kV power system, and is used mainly in power plant, substation, industrial and mining enterprise, railway transportation and high-rise building.

The armored movable AC metal switch equipment in the prior art generally comprises a circuit breaker handcart chamber, a bus chamber, a cable chamber and a relay instrument chamber, when a circuit breaker handcart is pulled out of the circuit breaker handcart chamber for maintenance, the circuit breaker handcart needs to be moved out of the circuit breaker handcart chamber through a transfer vehicle, when the circuit breaker handcart of each switch equipment needs to be maintained, the transfer vehicle is needed, each row of switch equipment is distributed in a power control chamber at equal intervals, a pedestrian passage is reserved between every two adjacent rows of switch equipment, maintenance personnel maintain the circuit breaker handcart at the pedestrian passage, but due to the limitation of space, the moving of the transfer vehicle is troublesome to maintain the circuit breaker handcart, the quick maintenance of the working personnel is not facilitated, the working efficiency is reduced, and in rainy weather, the air in the equipment can be excessively humid, and metal fittings in the switch equipment are corroded slightly, the internal circuit is short-circuited, and electrical components in the switch device generate a large amount of heat energy in the working process, so that the internal heat cannot be effectively dissipated by circulating airflow, the internal heat is accumulated, and the use of the electrical device is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an armor is moved open and is exchanged metal switchgear to it is comparatively troublesome to remove the transfer car among the solution prior art and overhaul the circuit breaker handcart, is unfavorable for staff's quick maintenance, has reduced work efficiency, and in rainy day, electrical components is inside overheated and to inside air rapid draing's technical problem.

The utility model provides an armor withdrawable alternating current metal switch device, including left cabinet, right cabinet, first division board, second division board, bearing mechanism, actuating mechanism, filtering mechanism and fender bracket, there are two first division boards, two first division boards set up in left cabinet and divide the interior space of left cabinet into instrument room, breaking room and observation room, the second division board sets up in right cabinet and divides the interior space of right cabinet into generating line room and ground connection room, the one end of left cabinet is equipped with the cabinet door that articulates the cooperation with instrument room, breaking room and observation room respectively, bearing mechanism sets up on the lateral wall of left cabinet and is located between breaking room and the observation room, the fender bracket sets up the top at right cabinet, the fender bracket is the cross structure to each end of fender bracket all is equipped with the slide that is linked together with its inside, actuating mechanism sets up at the top of fender bracket, the output end of the driving mechanism extends into the protection frame, and the filtering mechanism is arranged in the right cabinet.

Further, bear the mechanism and include inserted block, loading board, bolt, supporting leg and coupling assembling, the recess that is used for placing the supporting leg is offered to the bottom both sides of loading board, loading board one end be equipped with inserted block complex block groove, the supporting leg is equipped with two, and the one end of every supporting leg is articulated with the one end of recess, the top both sides of loading board all are equipped with the limiting plate, coupling assembling sets up the lateral wall department at the one end of loading board and left cabinet to the loading board passes through coupling assembling and left cabinet is articulated, the one end setting of inserted block is on left side cabinet, the inserted block other end sets up in the block inslot of loading board, and the one end cartridge of bolt is in block groove and inserted block.

Further, coupling assembling includes the articulated seat of first articulated seat and second, the first articulated seat is articulated with left cabinet, the articulated seat of second is articulated with first articulated seat and loading board respectively, the articulated direction of first articulated seat and left cabinet sets up with the articulated direction of the articulated seat of second and loading board is perpendicular.

Further, actuating mechanism includes motor, cam, fixed block, slider, gangbar and baffle, the motor sets up at the fender bracket top, the cam is the horizontal rotation and installs the interior center department at the fender bracket and the output fixed connection of the central part of cam and motor, the inside spout that is equipped with of cam, the slider has four, and every slider all sets up in the spout, the gangbar is equipped with four, and four gangbars set up respectively in four ends of fender bracket, every the both ends of gangbar are connected with slider and baffle respectively, every the baffle slides and establishes in the slide, the fixed block has four, every the fixed block cover is established on the gangbar middle-end and the one end and the fender bracket fixed connection of fixed block.

Further, filtering mechanism includes first fan, first heating wire, intake pipe and blast pipe, the intake pipe runs through right cabinet top center and extends to in the fender bracket, first fan sets up in the intake pipe, first heating wire sets up in the fender bracket, the blast pipe has four, and four blast pipes are the rectangle distribution in right cabinet to be equipped with a plurality of exhaust hole rather than being linked together on every blast pipe, every the top of blast pipe and the interior top fixed connection of generating line room to the bottom of blast pipe runs through the bottom of ground connection room, every all be equipped with heat dissipation metal in the blast pipe, the one end of heat dissipation metal runs through the top of right cabinet and extends to in the fender bracket, and every blast pipe bottom all is equipped with second fan and second heating wire.

Compared with the prior art, the beneficial effects of the utility model reside in that:

firstly, when the circuit breaker needs to be overhauled, the cabinet door is opened, the bearing plate is moved through the connecting component and is adjusted to be horizontally arranged on the other side of the left cabinet from being vertically arranged on one side wall of the left cabinet, when the clamping groove of the bearing plate is superposed with the inserting block, the bearing plate and the inserting block are vertically inserted into the bearing plate through the bolt, so that the stability of the bearing plate is improved, the supporting leg is vertically placed on the ground, the weight of the circuit breaker handcart borne by the bearing plate is dispersed, the bearing mechanism is not damaged by long-term repair, the stability of the mechanism is improved, after the repair is finished, the supporting leg is retracted into the groove of the bearing plate, the bolt is taken down, the bearing plate is vertically arranged on one side wall of the left cabinet through the connecting component, so that the working space is not occupied, and the use is convenient, the maintenance of the circuit breaker can be realized without moving the transfer trolley, and the work burden of maintenance personnel is reduced.

And the second hinge seat drives the bearing plate to rotate through the first hinge seat, so that the bearing plate is in a horizontal state when in use, the breaker is supported, the overhauling operation of operators is facilitated, the second hinge seat is utilized to drive the bearing plate to rotate, the bearing plate can be arranged on the outer side wall of the left cabinet in a vertical state when not in use, the operation is convenient, the use of maintainers is facilitated, and the structure is simple.

Thirdly, starting the motor operation, driving the cam to rotate by the motor output end, driving the slider to do linear motion in the cam groove, forming a connecting rod principle through the cooperation of the linkage rod and the fixed block, enabling the linkage rod to do linear reciprocating motion, thereby driving the baffle at one end of the linkage rod to do reciprocating motion in the slide synchronously, driving the baffle to extend outwards to open the slide at one end of the protection frame, facilitating air entering to dissipate heat and dry internal electrical components, and driving the baffle to slide inwards to close the slide at one end of the protection frame by the same principle, thereby preventing external air from entering the interior and damaging the internal electrical components.

Fourthly, in rainy days, the electric element generates heat, a part of the heat is led into the protective frame and the exhaust pipe through the heat dissipation metal to heat the first electric heating wire and the second electric heating wire, the first fan and the second fan are started simultaneously, outside air enters the protective frame, the air is heated through the heat dissipation metal to evaporate a part of moisture in the air, and then the air is dried and dehumidified through the first electric heating wire, so that the workload of the air conditioner is reduced, and heat generated by the operation of electric elements is utilized, meanwhile, the air inside can quickly enter the exhaust pipe through the exhaust holes, and is dried and dehumidified by the second electric heating wire, so that the backflow of the humid air is reduced, the drying of the air inside is favorably maintained, the effect of radiating the interior of the switch equipment is achieved through gas circulation, and the damage of damp air to internal electrical components is reduced.

Drawings

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

Fig. 1 is a schematic perspective view of the front view angle of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the point B in FIG. 1 according to the present invention;

fig. 4 is a schematic perspective view of a depression angle according to the present invention;

fig. 5 is a cross-sectional view taken along line a-a of fig. 4 in accordance with the present invention;

fig. 6 is a schematic perspective view of the filtering mechanism of the present invention;

fig. 7 is a schematic perspective view of the driving mechanism of the present invention;

FIG. 8 is an enlarged view of the point C of FIG. 7 according to the present invention;

reference numerals:

the heating cabinet comprises a left cabinet 1, a right cabinet 2, a first partition plate 3, a second partition plate 4, a bearing mechanism 5, an insertion block 51, a bearing plate 52, a bolt 53, a supporting leg 54, a connecting assembly 55, a first hinged seat 56, a second hinged seat 57, a clamping groove 58, a limiting plate 59, a driving mechanism 6, a motor 61, a cam 62, a fixing block 63, a sliding block 64, a linkage rod 65, a baffle 66, a sliding groove 67, a filtering mechanism 7, a first fan 71, a first heating wire 72, an air inlet pipe 73, an exhaust pipe 74, an exhaust hole 75, heat dissipation metal 76, a second fan 77, a second heating wire 78, a protective frame 8, a slide way 81 and a cabinet door 9.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, an embodiment of the present invention provides an armored removable ac metal switchgear, which includes a left cabinet 1, a right cabinet 2, a first partition plate 3, a second partition plate 4, a carrying mechanism 5, a driving mechanism 6, a filtering mechanism 7, and a protection frame 8, where the first partition plate 3 includes two, the two first partition plates 3 are disposed in the left cabinet 1 and partition the internal space of the left cabinet 1 into an instrument room, a breaker room, and an observation room, the second partition plate 4 is disposed in the right cabinet 2 and partition the internal space of the right cabinet 2 into a bus room and a ground room, one end of the left cabinet 1 is respectively provided with a cabinet door 9 hinged to the instrument room, the breaker room, and the observation room, the carrying mechanism 5 is disposed on the outer sidewall of the left cabinet 1 and located between the breaker room and the observation room, the protection frame 8 is disposed on the top of the right cabinet 2, the fender bracket 8 is the cruciform structure to each end of fender bracket 8 all is equipped with the slide 81 that is linked together rather than inside, actuating mechanism 6 sets up at the top of fender bracket 8, actuating mechanism 6's output extends to in the fender bracket 8, filtering mechanism 7 sets up in right cabinet 2.

Bearing mechanism 5 includes inserted block 51, loading board 52, bolt 53, supporting leg 54 and coupling assembling 55, the recess that is used for placing supporting leg 54 is offered to the bottom both sides of loading board 52, loading board 52 one end be equipped with inserted block 51 complex block groove 58, supporting leg 54 is equipped with two, every supporting leg 54's one end is articulated with the one end of recess, loading board 52's top both sides all are equipped with limiting plate 59, coupling assembling 55 sets up in loading board 52's one end and left cabinet 1's lateral wall department to loading board 52 is articulated with left cabinet 1 through coupling assembling 55, the one end of inserted block 51 sets up on left cabinet 1, the inserted block 51 other end sets up in loading board 52's block groove 58, and the one end cartridge of bolt 53 is in block groove 58 and inserted block 51, when needing to overhaul the circuit breaker, opens cabinet door 9, moves loading board 52 through coupling assembling 55 and adjusts to the level by vertical placing on a lateral wall of left cabinet 1 and places and place at left cabinet 1's block And the other side, when the clamping groove 58 of the bearing plate 52 is coincident with the insertion block 51, the bearing plate 52 and the insertion block 51 are vertically inserted through the bolt 53, the stability of the bearing plate 52 is improved, the supporting leg 54 is vertically placed on the ground, the weight of the circuit breaker carried by the bearing plate 52 is dispersed, the bearing mechanism 5 is not damaged by long-term repair, the stability of the mechanism is improved, after the repair is completed, the supporting leg 54 is retracted into the groove of the bearing plate 52, the bolt 53 is taken down, the bearing plate 52 is vertically placed on one side wall of the left cabinet 1 through the connecting assembly 55, the working space is not occupied, the use is convenient, the maintenance of the circuit breaker can be realized without moving a transfer trolley, and the work burden of maintenance personnel is reduced.

Coupling assembling 55 includes articulated seat 56 of first articulated seat and second 57, first articulated seat 56 is articulated with left cabinet 1, the articulated seat 57 of second is articulated with first articulated seat 56 and loading board 52 respectively, first articulated seat 56 sets up perpendicularly with the articulated direction of loading board 52 with the articulated direction of second articulated seat 57 of left cabinet 1, drive loading board 52 through first articulated seat 56 and rotate, can make loading board 52 be in the horizontality when using, thereby support the circuit breaker, be convenient for operating personnel's maintenance operation, utilize the articulated seat 57 of second to drive loading board 52 and rotate, can make loading board 52 be in vertical state when not using and set up on the lateral wall of left cabinet 1, thereby the simple operation, make things convenient for the maintainer to use, and simple structure.

The driving mechanism 6 comprises a motor 61, a cam 62, a fixed block 63, a sliding block 64, linkage rods 65 and baffle plates 66, the motor 61 is arranged at the top of the protection frame 8, the cam 62 is horizontally rotated and installed at the inner center of the protection frame 8, the central part of the cam 62 is fixedly connected with the output end of the motor 61, a sliding groove 67 is formed in the cam 62, four sliding blocks 64 are arranged in the sliding groove 67, four linkage rods 65 are arranged, the four linkage rods 65 are respectively arranged in the four ends of the protection frame 8, the two ends of each linkage rod 65 are respectively connected with the sliding block 64 and the baffle plate 66, each baffle plate 66 is slidably arranged in a sliding groove 81, the four fixed blocks 63 are arranged, each fixed block 63 is sleeved on the middle end part of the linkage rod 65, one end of the fixed block 63 is fixedly connected with the protection frame 8, and the motor 61 is started to operate, the output end of the motor 61 drives the cam 62 to rotate, the sliding block 64 is driven to do linear motion in the sliding groove 67 of the cam 62, a connecting rod principle is formed by matching the linkage rod 65 and the fixing block 63, the linkage rod 65 is made to do linear reciprocating motion, the baffle 66 at one end of the linkage rod 65 is driven to do reciprocating motion in the sliding rail 81 synchronously, the baffle 66 is driven to extend outwards to open the sliding rail 81 at one end of the protection frame 8, air can enter the internal electrical appliance to dissipate heat and dry, and the baffle 66 is driven to slide inwards to close the sliding rail 81 at one end of the protection frame 8 according to the same principle, so that the external air can be prevented from entering the inside and damaging the internal electrical appliance.

The filtering mechanism 7 comprises a first fan 71, a first electric heating wire 72, an air inlet pipe 73 and four air outlet pipes 74, wherein the air inlet pipe 73 penetrates through the center of the top of the right cabinet 2 and extends into the protective frame 8, the first fan 71 is arranged in the air inlet pipe 73, the first electric heating wire 72 is arranged in the protective frame 8, the four air outlet pipes 74 are arranged in the right cabinet 2 in a rectangular shape, a plurality of air outlet holes 75 communicated with the air outlet pipes 74 are arranged on each air outlet pipe 74, the top of each air outlet pipe 74 is fixedly connected with the inner top of the bus chamber, the bottom of each air outlet pipe 74 penetrates through the bottom of the grounding chamber, a heat dissipation metal 76 is arranged in each air outlet pipe 74, one end of each heat dissipation metal 76 penetrates through the top of the right cabinet 2 and extends into the protective frame 8, a second fan 77 and a second electric heating wire 78 are arranged at the bottom end of each air outlet pipe 74, the heat generated by the operation of the electrical components is firstly led to the interior of the protective frame 8 and the interior of the exhaust pipe 74 through the heat dissipation metal 76 to heat the first heating wire 72 and the second heating wire 78, the first fan 71 and the second fan 77 are simultaneously started, the external air enters the protective frame 8, the air is firstly heated in contact through the heat dissipation metal 76 to evaporate a part of moisture in the air, then the air is dried and dehumidified through the first heating wire 72, the work load of the air is reduced, meanwhile, the heat generated by the operation of the electrical components is also utilized, meanwhile, the internal air can quickly enter the exhaust pipe 74 through the plurality of exhaust holes 75, the moisture in the internal air is dried and dehumidified through the second heating wire 78, the backflow of the moisture air is reduced, the drying of the internal air is favorably kept, the effect of heat dissipation on the interior of the switchgear is achieved through the air circulation, and the damage of the moisture to the internal electrical components is reduced, the heat sink metal 76 is silver or copper.

The utility model discloses an operating method: firstly, when the circuit breaker handcart needs to be overhauled, the cabinet door 9 is opened, the bearing mechanism 5 is adjusted to be in the horizontal direction from the vertical direction and is arranged in front of the cabinet door 9, the circuit breaker handcart in the left cabinet 1 is pulled to the bearing mechanism 5 for overhauling, after the overhauling is finished, the bearing mechanism 5 is adjusted to be in the vertical direction and is arranged on one side wall of the left cabinet 1, the working space is effectively saved, the circuit breaker handcart can be overhauled under the condition that a transfer trolley is not used, the working burden of an overhauling worker is reduced, the stability of the mechanism is increased by the contact of the bearing mechanism 5 and the ground, the motor 61 is started to operate in rainy days, the output end of the motor 61 drives the cam 62 to rotate, the slide block 64 is driven to do linear motion in the chute 67 of the cam 62, a connecting rod principle is formed by the matching of the linkage rod 65 and the fixed block 63, and the linkage rod 65, the baffle plate 66 is driven to extend outwards to open the slide way 81 at one end of the protection frame 8, then the motor 61 is turned off, the first heating wire 72 and the second heating wire 78 work, the first fan 71 and the second fan 77 are started simultaneously, heat generated by the electronic device is led into the protection frame 8 and the exhaust pipe 74 through the heat dissipation metal 76, external air is preheated through the heat dissipation metal 76 to evaporate part of moisture in the air, the air is dried and dehumidified through the first heating wire 72 to enable the dried air to enter the interior, meanwhile, the internal air can be rapidly exhausted through the exhaust holes 75, the internal air is preheated through the heat dissipation metal 76 and dried through the second heating wire 78 to exhaust the internal dried air to the outside, so that the external damp air can be prevented from entering the interior, after the air is filtered, the motor 61 is turned on, and similarly, the linkage rod 65, The fixing block 63 and the cam 62 are matched to form a connecting rod principle so as to reset the baffle plate 66.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An armored movable alternating-current metal switch device is characterized by comprising a left cabinet (1), a right cabinet (2), two first partition plates (3), two second partition plates (4), a bearing mechanism (5), a driving mechanism (6), a filtering mechanism (7) and a protective frame (8), wherein the two first partition plates (3) are arranged in the left cabinet (1) and divide the inner space of the left cabinet (1) into an instrument room, a breaking room and an observation room, the second partition plates (4) are arranged in the right cabinet (2) and divide the inner space of the right cabinet (2) into a bus room and a grounding room, one end of the left cabinet (1) is respectively provided with a cabinet door (9) which is hinged and matched with the instrument room, the breaking room and the observation room, the bearing mechanism (5) is arranged on the outer side wall of the left cabinet (1) and is positioned between the breaking room and the observation room, fender bracket (8) set up the top in right cabinet (2), fender bracket (8) are the cruciform structure to each end of fender bracket (8) all is equipped with slide (81) rather than inside being linked together, actuating mechanism (6) set up the top in fender bracket (8), the output of actuating mechanism (6) extends to in fender bracket (8), filtering mechanism (7) set up in right cabinet (2).

2. The armored removable alternating current metal switch device according to claim 1, wherein the bearing mechanism (5) comprises an insert block (51), a bearing plate (52), a bolt (53), support legs (54) and connecting components (55), the two sides of the bottom of the bearing plate (52) are provided with grooves for placing the support legs (54), one end of the bearing plate (52) is provided with a clamping groove (58) matched with the insert block (51), the two support legs (54) are provided, one end of each support leg (54) is hinged with one end of each groove, the two sides of the top of the bearing plate (52) are provided with limiting plates (59), the connecting components (55) are arranged at one end of the bearing plate (52) and the outer side wall of the left cabinet (1), the bearing plate (52) is hinged with the left cabinet (1) through the connecting components (55), one end of the insert block (51) is arranged on the left cabinet (1), the other end of the insertion block (51) is arranged in a clamping groove (58) of the bearing plate (52), and one end of the plug pin (53) is inserted in the clamping groove (58) and the insertion block (51).

3. An armored movable AC metal switchgear according to claim 2, wherein the connecting assembly (55) comprises a first hinge seat (56) and a second hinge seat (57), the first hinge seat (56) is hinged with the left cabinet (1), the second hinge seat (57) is hinged with the first hinge seat (56) and the carrying plate (52), respectively, the direction of the first hinge seat (56) hinged with the left cabinet (1) and the direction of the second hinge seat (57) hinged with the carrying plate (52) are perpendicular to each other.

4. The armored movable type alternating current metal switch device as claimed in claim 1, wherein the driving mechanism (6) comprises a motor (61), a cam (62), a fixed block (63), a sliding block (64), linkage rods (65) and a baffle plate (66), the motor (61) is arranged at the top of the protection frame (8), the cam (62) is horizontally and rotatably arranged at the inner center of the protection frame (8) and the central part of the cam (62) is fixedly connected with the output end of the motor (61), a sliding groove (67) is arranged inside the cam (62), four sliding blocks (64) are provided, each sliding block (64) is arranged in the sliding groove (67), four linkage rods (65) are provided and respectively arranged in four ends of the protection frame (8), and two ends of each linkage rod (65) are respectively connected with the sliding block (64) and the baffle plate (66), every baffle (66) are slided and are established in slide (81), fixed block (63) have four, every fixed block (63) cover establish in gangbar (65) on the tip and the one end and the fender bracket (8) fixed connection of fixed block (63).

5. The armored movable type AC metal switch equipment according to claim 1, wherein the filtering mechanism (7) comprises a first fan (71), a first heating wire (72), an air inlet pipe (73) and air outlet pipes (74), the air inlet pipe (73) penetrates through the top center of the right cabinet (2) and extends into the protective frame (8), the first fan (71) is arranged in the air inlet pipe (73), the first heating wire (72) is arranged in the protective frame (8), the number of the air outlet pipes (74) is four, the four air outlet pipes (74) are distributed in the right cabinet (2) in a rectangular shape, each air outlet pipe (74) is provided with a plurality of air outlet holes (75) communicated with the air inlet pipe, the top of each air outlet pipe (74) is fixedly connected with the inner top of the bus chamber, the bottom of each air outlet pipe (74) penetrates through the bottom of the grounding chamber, and heat dissipation metal (76) is arranged in each air outlet pipe (74), one end of the heat dissipation metal (76) penetrates through the top of the right cabinet (2) and extends into the protection frame (8), and a second fan (77) and a second heating wire (78) are arranged at the bottom end of each exhaust pipe (74).