CN211124227U - Prepayment combined metering box with isolation switch - Google Patents

Abstract

The utility model relates to a take prepayment combination batch meter of isolation switch, the on-line screen storage device comprises a base, install circuit breaker and combination mutual-inductor on the base, the circuit breaker is equipped with the isolation switch, the universal driving shaft in the circuit breaker includes basic axle, first broken shaft and second broken shaft are fixed on the extension plate of basic axle through first retainer plate and second retainer plate respectively, first broken shaft and second broken shaft can adjust the relative position with the basic axle, first broken shaft and second broken shaft still cooperate through the tooth with the extension plate, prevent to produce relative slip; the utility model discloses install current transformer and voltage transformer and form the assembly on the combined bay, the assembly is placed in the installation casing, can realize sealed and can disassemble again, conveniently maintains single part.

Description

Prepayment combined metering box with isolation switch

Technical Field

The utility model relates to a technical field of mutual-inductor, in particular to prepayment combination batch meter of switch is kept apart in area.

Background

When a user is accessed to a three-phase alternating-current high-voltage electric connector, a prepayment combined metering box with an isolation switch is adopted at present, particularly in an industrial park, so that the damage to equipment caused by sudden power failure can be avoided, the metering box must be provided with a high-voltage vacuum circuit breaker and a combined mutual inductor for voltage transformation, and is connected with metering control equipment through the combined mutual inductor.

The current mutual inductor and the voltage mutual inductor are combined into the combined mutual inductor to be used commonly at present, the combined mutual inductor is sealed as much as possible when in use, therefore most of combined mutual inductors are cast into a whole by using silicon rubber or other insulating materials after being combined, the utility model discloses a combined mutual inductor for modular metering as applied number 201820854157.4, but the maintenance of the combined mutual inductor integrated by casting is inconvenient, and the whole mutual inductor is required to be replaced once one of the parts is damaged.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a prepayment combination batch meter of switch is kept apart in area.

The technical scheme of the utility model is that:

a prepayment combined metering box with an isolation switch comprises a base, wherein a circuit breaker and a combined transformer are installed on the base, the circuit breaker comprises a circuit breaker shell, the circuit breaker shell is fixed on the base through an elevating frame, three circuit breaker bodies are installed above the circuit breaker shell, one side of the circuit breaker body is provided with a protection transformer, the circuit breaker body comprises an internal vacuum arc extinguish chamber and an insulating pull rod extending downwards, an operating mechanism and a linkage shaft driven by the operating mechanism are installed in the circuit breaker shell, the linkage shaft is hinged with three pull plates, the three pull plates are respectively hinged with the three insulating pull rods, a guide frame with a fixed upper end is installed in the circuit breaker shell, the operating mechanism is provided with a drive plate connected with the linkage shaft, a separating spring connected between the linkage shaft and the circuit breaker shell is further arranged in the circuit breaker, the combined transformer comprises a combined body, the combined body comprises a combined frame, a first current transformer, a binding post and a second current transformer are installed above the combined frame, a first voltage transformer and a second voltage transformer are installed inside the combined frame, the linkage shaft sequentially comprises a base shaft, a first broken shaft and a second broken shaft from left to right, an extension plate extends out of the bottom of the first broken shaft to the right side, the first broken shaft and the second broken shaft are fixed on the extension plate through a first fixing ring and a second fixing ring respectively, rectangular lower teeth are arranged below the first broken shaft and the second broken shaft, rectangular upper teeth matched with the rectangular lower teeth are arranged above the extension plate, a first pin hole on the left side and a driving long hole in the middle are arranged on the base shaft, a second pin hole on the left side and a third pin hole on the right side are arranged on the first broken shaft, the second broken shaft is provided with a fourth pin hole positioned on the right side, the three pull plates are respectively hinged with the first pin hole, the second pin hole and the fourth pin hole through a traction pin shaft, the driving long hole is hinged with the driving plate through a driving pin shaft, the isolation disconnecting link comprises a wiring board, a closing plate, a disconnecting blade, a connecting rod and a retracting plate, the wiring board is fixed on the other side of the breaker body, one end of the closing plate is hinged with the wiring board through a conductive metal rod, the other end of the closing plate is hinged with one end of the connecting rod, one end of the disconnecting blade is connected to the middle of the closing plate, the other end of the disconnecting blade is matched with the wiring rod of the breaker body, one side of the breaker shell is provided with at least two supporting plates, the middle of the retracting plate is connected with a retracting shaft penetrating through the supporting plates, the other end of the connecting rod is hinged with the retracting shaft, and, the combined frame is arranged in the installation shell and comprises a top installation plate for installing a first current transformer, a binding post and a second current transformer and a bottom installation plate for installing a first voltage transformer and a second voltage transformer, the top mounting plate and the bottom mounting plate are connected through connecting vertical braces, the bottoms of the first voltage transformer and the second voltage transformer are respectively provided with a mounting angle steel and fixed on the bottom mounting plate through a connecting bolt, the nut of the connecting bolt is positioned below the bottom mounting plate, the bottom of the mounting shell is a shell bottom plate, the shell bottom plate is provided with a abdicating groove for the screw cap of the connecting bolt to extend into, the shell bottom plate is also provided with a holding groove, the base plate is placed in the containing groove, and the three protection transformers are respectively connected with the first current transformer, the binding post and the second current transformer through the wiring board.

Preferably, a threaded hole is formed in the left side of the basic shaft, a limiting rod is screwed in the threaded hole, a round shaft extending upwards is fixed above the first broken shaft, a through hole opposite to the limiting rod is formed in the left side of the shell of the circuit breaker, two ends of the knife retracting plate are connected with knife retracting rings, the limiting rod penetrates through the through hole to extend into the knife retracting rings when a disconnecting link of a knife switch blade and a circuit breaker body is in contact and the circuit breaker is electrified, gaps are formed between the basic shaft and the first broken shaft and between the first broken shaft and the second broken shaft, the first fixing ring and the second fixing ring are both of rectangular structures, a tightening bolt is connected below the first fixing ring, two tightening bolts are connected below the second fixing ring, a sleeve is hinged to the third pin hole, a spring hanging shaft penetrates through the sleeve, two ends of the opening spring are connected with spring hanging plates, the hanging spring plate positioned on the left side is hinged with the two ends of the hanging spring shaft, the two ends of the hanging spring shaft extend out of the hanging spring plate and are penetrated with split pins positioned on the outer side of the hanging spring plate, and the hanging spring plate positioned on the right side is hinged with the breaker shell.

Preferably, one side of circuit breaker casing articulates there is the pivot, the one end of pivot is stretched out circuit breaker casing outside and is connected with the pointer, the other end is located circuit breaker casing inside and is connected with the shift fork, the fork mouth of shift fork is stretched into to the one end of hanging spring axle.

Preferably, the lifting bolt is installed to the top of circuit breaker casing, the left and right sides of circuit breaker casing articulates there is the handle, the left side of circuit breaker casing is installed just to the closing cap of universal driving shaft.

Preferably, an auxiliary switch fixed above is further provided inside the housing, and an operating shaft of the auxiliary switch is connected to the circular shaft.

Preferably, the folded plate that turns over has the turn-down all around of combined transformer's top mounting panel, the top of top mounting panel is equipped with two at least symmetric arrangement's lug, install the handle on the folded plate at both ends about the top mounting panel, the lateral wall of installation casing is located the inboard of folded plate.

Preferably, a nameplate and a grounding bolt are installed on one side of the installation shell.

Preferably, the below of top mounting panel is equipped with the connecting plate, be equipped with the through-hole of at least three vertical equipartition on the connecting plate, the lower extreme of connecting the erector strut fix on the mounting panel of bottom, the upper end with the connecting plate is with the bolted connection who passes the through-hole.

Preferably, be equipped with the first connecting hole of a plurality of equipartitions on the folded plate of both sides around the top mounting panel, be equipped with the second connecting hole that corresponds with first connecting hole on the lateral wall of installation casing, first connecting hole is the slot hole, first connecting hole with the second connecting hole passes through bolted connection.

Preferably, the folded plate on the front side of the top mounting plate is provided with a cable hole through which an armored cable passes.

The utility model has the advantages that:

in the prepayment combined metering box with the isolation disconnecting link of the utility model, a linkage shaft in the breaker comprises a basic shaft, a first broken shaft and a second broken shaft, the first broken shaft and the second broken shaft are respectively fixed on an extension plate of the basic shaft through a first fixing ring and a second fixing ring, the relative positions of the first broken shaft and the second broken shaft with the basic shaft can be adjusted, the first broken shaft and the second broken shaft are matched with the extension plate through teeth to prevent relative sliding, the initial positions of three pulling plates can be respectively adjusted by adjusting the relative positions of the first broken shaft, the second broken shaft and the basic shaft, and further the upward or downward limit positions of the pulling plates can be changed, the isolation disconnecting link is provided at the two ends of the retracting plate, when the disconnecting link of the disconnecting link contacts with the breaker body and the breaker is electrified, a position rod passes through a perforation to extend into the retracting ring, and the breaker body can not be considered to be disconnected with the isolation disconnecting link, the people is close to when preventing the outage, and the gag lever post returns the circuit breaker body only when the circuit breaker body outage, just can pull the receipts cutting board, the utility model discloses a still set up the pivot in the circuit breaker, the pointer is connected to the one end of pivot, can indicate the state of circuit breaker.

The utility model discloses install current transformer and voltage transformer and form the assembly on the combination frame, the assembly is placed in the installation casing, can realize sealing and can disassemble again, conveniently maintain single part, the nut of installing voltage transformer's connecting bolt can be placed to the groove of stepping down on the casing bottom plate, make bottom mounting panel and casing bottom plate laminate completely, keep the stability of combination frame, it is connected with the top mounting panel through the connecting plate to connect the erector to prop, set up a plurality of through-holes on the connecting plate, can adjust the connection length who connects the erector to prop, and then change the height of combination frame, and still set up the backing plate, can support when bending deformation connecting the erector to highly carrying out the micro-compensation of combination frame.

Drawings

Fig. 1 is a schematic side view of the present invention;

fig. 2 is a schematic front view of the circuit breaker;

FIG. 3 is a schematic diagram of a side view of a circuit breaker;

fig. 4 is a schematic bottom view of the circuit breaker;

FIG. 5 is a schematic front view of the linkage shaft;

FIG. 6 is an enlarged partial view of FIG. 5;

FIG. 7 is a left side view of the linkage shaft;

FIG. 8 is a schematic view of the linkage structure;

FIG. 9 is a schematic top view of the linkage structure;

FIG. 10 is an enlarged partial view of FIG. 4;

fig. 11 is a schematic front view of the present invention;

FIG. 12 is an enlarged partial view taken at A in FIG. 11;

fig. 13 is a left side view schematic structure of the present invention;

FIG. 14 is a front view of the mounting housing;

FIG. 15 is a front view of the assembly;

in the figure: 1. a circuit breaker; 2. a combined transformer; 3. a base; 4. an elevating frame;

1-1, a linkage shaft; 1-1-1, a base shaft; 1-1-11, a first pin hole; 1-1-12, driving the long hole; 1-1-13, extension plate; 1-1-14, a limiting rod; 1-1-2, a first broken shaft; 1-1-21, a second pin hole; 1-1-22, a third pin hole; 1-1-23, round shaft; 1-1-3, second broken shaft; 1-1-31, a fourth pin hole; 1-1-4, a first fixed ring; 1-1-5, a second fixed ring; 1-1-6, tightening the bolt; 1-2, a guide frame; 1-2-1, drawing long holes; 1-3, pulling a plate; 1-4, casing; 1-5, hanging spring shaft; 1-6, a check ring; 1-7, a brake-separating spring; 1-7-1, hanging reed; 1-8, a drive plate; 1-9, an operating mechanism; 1-10, a circuit breaker housing; 1-10-1, hoisting bolt; 1-10-2, a handle; 1-10-3, perforating; 1-11, a circuit breaker body; 1-11-1, a vacuum arc-extinguishing chamber; 1-11-2, insulating pull rod; 1-12, protecting the mutual inductor; 1-13, an auxiliary switch; 1-14, a rotating shaft; 1-14-1, a pointer; 1-14-2, a shifting fork; 1-15, 1-patch panel; 1-16, closing a gate plate; 1-17, a knife switch blade; 1-18, connecting rod; 1-19, retracting the cutter plate; 1-19-1, retracting the cutter shaft; 1-19-2, a spacing ring;

2-1, mounting a top plate; 2-1-1, lifting lugs; 2-1-2, a handle; 2-1-3, cable holes; 2-1-4, connecting plates; 2-1-5, a first connection hole; 2-2, mounting a bottom plate; 2-3, connecting vertical supports; 2-4, a first current transformer; 2-5, a second current transformer; 2-6, a binding post; 2-7, a first voltage transformer; 2-8, a second voltage transformer; 2-9, installing a shell; 2-9-1, a ground bolt; 2-9-2, nameplate; 2-9-3, a second connecting hole; 2-10, a shell bottom plate; 2-10-1, an abdicating groove; 2-10-2, a backing plate; 2-11, installing channel steel; 2-12, connecting bolts; 2-13, armored cable.

Detailed Description

The specific implementation mode of the utility model is shown in the figures 1-15:

the technical scheme of the utility model is that:

a prepayment combined metering box with an isolation switch comprises a base, wherein a circuit breaker and a combined mutual inductor are installed on the base, the circuit breaker comprises a circuit breaker shell, the circuit breaker shell is fixed on the base through an elevating frame, three circuit breaker bodies are installed above the circuit breaker shell, one side of the circuit breaker body is provided with a protection mutual inductor, the circuit breaker body comprises an internal vacuum arc extinguish chamber and an insulating pull rod extending downwards, an operating mechanism and a linkage shaft driven by the operating mechanism are installed in the circuit breaker shell, the linkage shaft is hinged with three pull plates, the three pull plates are respectively hinged with the three insulating pull rods, a guide frame with a fixed upper end is installed in the circuit breaker shell, the operating mechanism is provided with a drive plate connected with the linkage shaft, and a switch-off spring connected between the linkage shaft and the circuit breaker shell is also arranged in the circuit breaker, the combined transformer comprises a combined body, the combined body comprises a combined frame, a first current transformer, a binding post and a second current transformer are installed above the combined frame, a first voltage transformer and a second voltage transformer are installed inside the combined frame, a linkage shaft in the circuit breaker sequentially comprises a basic shaft, a first broken shaft and a second broken shaft from left to right, an extension plate extends out of the bottom of the first broken shaft to the right side, the first broken shaft and the second broken shaft are fixed on the extension plate through a first fixing ring and a second fixing ring respectively, rectangular lower teeth are arranged below the first broken shaft and the second broken shaft, rectangular upper teeth matched with the rectangular lower teeth are arranged above the extension plate, a first pin hole located on the left side and a driving long hole located in the middle portion are arranged on the basic shaft, and a second pin hole located on the left side and a driving long hole located in the middle portion are arranged on the first broken shaft, The combined transformer comprises a first broken shaft, a second broken shaft, a third broken shaft, a fourth broken shaft, a third broken shaft, a fourth broken shaft, a third broken shaft, the combined frame is arranged in the installation shell and comprises a top installation plate for installing a first current transformer, a binding post and a second current transformer and a bottom installation plate for installing a first voltage transformer and a second voltage transformer, the top mounting plate and the bottom mounting plate are connected through connecting vertical braces, the bottoms of the first voltage transformer and the second voltage transformer are respectively provided with a mounting angle steel and fixed on the bottom mounting plate through a connecting bolt, the nut of the connecting bolt is positioned below the bottom mounting plate, the bottom of the mounting shell is a shell bottom plate, the shell bottom plate is provided with a abdicating groove for the screw cap of the connecting bolt to extend into, the shell bottom plate is also provided with a holding groove, the base plate is placed in the containing groove, and the three protection transformers are respectively connected with the first current transformer, the binding post and the second current transformer through the wiring board.

As shown in fig. 1-10, a threaded hole is formed in the left side of the base shaft, a limiting rod is screwed in the threaded hole, a round shaft extending upwards is fixed above the first broken shaft, a through hole opposite to the limiting rod is installed in the left side of the breaker shell, two ends of the knife retracting plate are connected with knife retracting rings, the limiting rod penetrates through the through hole and extends into the knife retracting rings when a knife switch blade contacts with a connecting rod of the breaker body and the breaker is powered on, gaps are formed between the base shaft and the first broken shaft and between the first broken shaft and the second broken shaft, the first fixing ring and the second fixing ring are both rectangular structures, a puller bolt is connected below the first fixing ring, two puller bolts are connected below the second fixing ring, a sleeve is hinged to the third pin hole, a spring hanging shaft penetrates through the sleeve, and two ends of the opening spring are connected with spring hanging plates, be located left hanging spring board with the both ends of hanging spring axle are articulated, the both ends of hanging spring axle stretch out the hanging spring board and wear the split pin that is located the hanging spring board outside, and the hanging spring board that is located the right side is articulated with the circuit breaker casing, one side of circuit breaker casing articulates there is the pivot, the one end of pivot is stretched out the circuit breaker casing outside and is connected with the pointer, the other end is located the inside shift fork that just is connected with of circuit breaker casing, the fork mouth of shift fork is stretched into to the one end of hanging spring axle, the lifting bolt is installed to the top of circuit breaker casing, the left and right sides of circuit breaker casing articulates there is the handle, the closing cap to the universal driving shaft is installed in the left side of circuit breaker casing, the inside of casing still is equipped with the auxiliary switch who fixes the top, auxiliary.

Referring to fig. 11-15, the top mounting plate of the combined transformer of the present invention has a folded plate folded downward, at least two symmetrical lifting lugs are disposed above the top mounting plate, handles are mounted on the folded plates at the left and right ends of the top mounting plate, the side wall of the mounting shell is located at the inner side of the folded plate, a nameplate and a ground bolt are mounted at one side of the mounting shell, a connecting plate is disposed below the top mounting plate, at least three vertically uniformly distributed through holes are disposed on the connecting plate, the lower end of the connecting vertical support is fixed on the bottom mounting plate, the upper end of the connecting vertical support is connected with the connecting plate by a bolt passing through the through holes, a plurality of uniformly distributed first connecting holes are disposed on the folded plates at the front and rear sides of the top mounting plate, second connecting holes corresponding to the first connecting holes are disposed on the side wall of, the first connecting hole and the second connecting hole are connected through a bolt, and a cable hole through which an armored cable penetrates is formed in the folded plate on the front side of the top mounting plate.

Claims (10)

1. A prepayment combined metering box with an isolation switch comprises a base, wherein a circuit breaker and a combined transformer are installed on the base, the circuit breaker comprises a circuit breaker shell and the isolation switch, the circuit breaker shell is fixed on the base through an elevating frame, three circuit breaker bodies are installed above the circuit breaker shell, one side of the circuit breaker body is provided with a protection transformer, the circuit breaker body comprises an internal vacuum arc extinguish chamber and an insulating pull rod extending downwards, an operating mechanism and a linkage shaft driven by the operating mechanism are installed in the circuit breaker shell, the linkage shaft is hinged with three pull plates, the three pull plates are respectively hinged with the three insulating pull rods, a guide frame with a fixed upper end is installed in the circuit breaker shell, the operating mechanism is provided with a drive plate connected with the linkage shaft, and a switching-off spring connected between the linkage shaft and the circuit breaker shell is also arranged in the circuit breaker, the combined transformer comprises a combined body, the combined body comprises a combined frame, a first current transformer, a binding post and a second current transformer are installed above the combined frame, and a first voltage transformer and a second voltage transformer are installed inside the combined frame, and the combined transformer is characterized in that: the universal driving device comprises a linkage shaft, a driving plate, a first broken shaft, a second broken shaft, a base shaft, a first fixing ring, a second broken shaft, a rectangular lower tooth, a rectangular upper tooth matched with the rectangular lower tooth, a first pin hole in the left side and a driving long hole in the middle part, a second pin hole in the left side and a third pin hole in the right side, a fourth pin hole in the right side, a third pulling plate, a first pin hole, a second pin hole and a fourth pin hole, wherein the linkage shaft sequentially comprises the base shaft, the first broken shaft and the second broken shaft from left to right, the bottom of the first broken shaft extends to the right side to form an extension plate, the first broken shaft and the second broken shaft are respectively fixed on the extension plate through the first fixing ring and the second fixing ring, the rectangular lower tooth is arranged below the first broken shaft and the second broken shaft, the rectangular upper tooth matched with the rectangular lower tooth is arranged above the extension plate, the isolation switch comprises a wiring board, a closing flashboard, a switch blade, a connecting rod and a knife retracting plate, wherein the wiring board is fixed at the other side of the breaker body, one end of the closing flashboard is hinged with the wiring board through a conductive metal rod, the other end of the closing flashboard is hinged with one end of the connecting rod, one end of the switch blade is connected with the middle part of the closing flashboard, the other end of the switch blade is matched with the wiring rod of the breaker body, one side of the breaker shell is provided with at least two supporting plates, the middle part of the knife retracting plate is connected with a knife retracting shaft which penetrates through the supporting plates, the other end of the connecting rod is hinged with the knife retracting shaft, the combined transformer further comprises an installation shell of a rectangular groove structure with an opening at the upper part, the combined frame is placed inside the installation shell and comprises a top installation plate for installing a first current transformer, a binding post and, the utility model discloses a protection transformer, including top mounting panel, bottom mounting panel, first voltage transformer with second voltage transformer's bottom all is equipped with the installation angle steel and fixes on the mounting panel of bottom through connecting bolt, connecting bolt's nut is located bottom mounting panel below, the bottom of installation casing is the casing bottom plate, be equipped with the groove of stepping down that the nut that supplies connecting bolt stretches into on the casing bottom plate, still be equipped with the holding tank on the casing bottom plate, the backing plate has been placed in the holding tank, and is three protection transformer passes through the wiring board with first current transformer, terminal and second current transformer respectively and is connected.

2. The prepaid combination meter box with disconnecting link according to claim 1, wherein: the left side of the basic shaft is provided with a threaded hole, the threaded hole is in threaded connection with a limiting rod, a round shaft which extends upwards is fixed above the first broken shaft, the left side of the shell of the circuit breaker is provided with a through hole which is opposite to the limiting rod, two ends of the knife-retracting plate are connected with knife-retracting rings, the limiting rod penetrates through the through hole to extend into the knife-retracting rings when a knife blade is in contact with a connecting rod of the body of the circuit breaker and the circuit breaker is electrified, gaps are respectively arranged between the basic shaft and the first broken shaft and between the first broken shaft and the second broken shaft, the first fixing ring and the second fixing ring are both rectangular structures, the lower part of the first fixing ring is connected with a puller bolt, the lower part of the second fixing ring is connected with two puller bolts, the third pin hole is hinged with a sleeve, a spring hanging shaft penetrates through the sleeve, two ends of the opening spring are connected with spring hanging plates, the hanging spring plate positioned on the left side is hinged with the two ends of the hanging spring shaft, the two ends of the hanging spring shaft extend out of the hanging spring plate and are penetrated with split pins positioned on the outer side of the hanging spring plate, and the hanging spring plate positioned on the right side is hinged with the breaker shell.

3. The prepaid combination meter box with disconnecting link according to claim 2, wherein: one side of circuit breaker casing articulates there is the pivot, the one end of pivot is stretched out circuit breaker casing outside and is connected with the pointer, the other end is located circuit breaker casing inside and is connected with the shift fork, the fork mouth of shift fork is stretched into to the one end of hanging spring axle.

4. The prepaid combination meter box with disconnecting link according to claim 3, wherein: the lifting bolt is installed to the top of circuit breaker casing, the left and right sides of circuit breaker casing articulates there is the handle, the left side of circuit breaker casing is installed just to the closing cap of universal driving shaft.

5. The prepaid combination meter box with disconnecting link according to claim 4, wherein: an auxiliary switch fixed above is further arranged inside the shell, and an action shaft of the auxiliary switch is connected with the circular shaft.

6. The prepaid combination meter box with disconnecting link according to claim 5, wherein: the utility model discloses a combined transformer, including combination transformer's top mounting panel, the top mounting panel is equipped with two at least symmetrical arrangement's lug, install the handle on the folded plate at both ends about the top mounting panel, the lateral wall of installation casing is located the inboard of folded plate.

7. The prepaid combination meter box with disconnecting link according to claim 6, wherein: and a nameplate and a grounding bolt are installed on one side of the installation shell.

8. The prepaid combination meter box with disconnecting link according to claim 7, wherein: the below of top mounting panel is equipped with the connecting plate, be equipped with the through-hole of at least three vertical equipartition on the connecting plate, the lower extreme of connecting the erector is fixed on the mounting panel of bottom, upper end with the connecting plate is with the bolted connection who passes the through-hole.

9. The prepaid combination meter box with disconnecting link according to claim 8, wherein: the utility model discloses a top mounting panel, including top mounting panel, folded plate, first connecting hole that is equipped with a plurality of equipartitions on the folded plate of both sides around the top mounting panel, be equipped with the second connecting hole that corresponds with first connecting hole on the lateral wall of installation casing, first connecting hole is the slot hole, first connecting hole with the second connecting hole passes through bolted connection.

10. The prepaid combination meter box with disconnecting link according to claim 9, wherein: and a cable hole through which an armored cable passes is formed in the folded plate on the front side of the top mounting plate.

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