CN213936059U - Mechanism box top cover mounting structure of circuit breaker mechanism - Google Patents
Mechanism box top cover mounting structure of circuit breaker mechanism Download PDFInfo
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- CN213936059U CN213936059U CN202022763559.3U CN202022763559U CN213936059U CN 213936059 U CN213936059 U CN 213936059U CN 202022763559 U CN202022763559 U CN 202022763559U CN 213936059 U CN213936059 U CN 213936059U
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Abstract
The utility model discloses a mechanism box top cover mounting structure of a circuit breaker mechanism, which comprises a mechanism box top cover, a mechanism box bottom frame, three crank arm boxes and three circuit breaker shells; wherein the mechanism case top cover comprises a first half cover and a second half cover which are detachably connected. The utility model discloses need not dismantle whole circuit breaker casing when dismantling a certain turning arm case to make things convenient for people to maintain the turning arm case.
Description
Technical Field
The utility model relates to a circuit breaker field especially indicates a mechanism case top cap mounting structure of circuit breaker mechanism.
Background
In the existing three-phase split box type GIS circuit breaker mechanism, as shown in figure 1, a top cover 1' of the mechanism box usually adopts an integrated design, and the design can basically solve the waterproof problem of the circuit breaker mechanism box.
When the existing three-phase box-separated GIS breaker mechanism is assembled, three crank arm boxes, namely an A-phase crank arm box, a B-phase crank arm box and a C-phase crank arm box, are firstly installed on a bottom frame of the mechanism box; then, the top cover 1 ' is placed on the A-phase crank arm box, the B-phase crank arm box and the C-phase crank arm box, so that the three through holes 11 ' of the top cover 1 ' are respectively sleeved on the upper parts of the A-phase crank arm box, the B-phase crank arm box and the C-phase crank arm box; then, three circuit breaker shells, namely, the shell of the circuit breaker with the phase A, the shell of the circuit breaker with the phase B and the shell of the circuit breaker with the phase C, are respectively arranged on three connecting lever boxes, namely, the connecting lever box with the phase A, the connecting lever box with the phase B and the connecting lever box with the phase C, and are respectively connected with the shell of the circuit breaker with the phase A, the connecting lever box with the phase B and the connecting lever box with the phase C through bolts, so that the shell of the circuit breaker with the phase A and the connecting lever box with the phase A clamp the top cover 1 ', the shell of the circuit breaker with the phase B and the connecting lever box with the phase B also clamp the top cover 1 ', and the shell of the circuit breaker with the phase C and the connecting lever box with the top cover 1 ' respectively. Wherein because top cap 1 ' formula design as an organic whole, if like this if a problem appears in this three connecting lever case of A looks connecting lever case, B looks connecting lever case and C looks connecting lever case when need unpack apart the maintenance, then need all dismantle after getting off A looks circuit breaker housing, B looks circuit breaker housing and C looks circuit breaker housing and can dismantle top cap 1 ', and top cap 1 ' dismantles the back and just can dismantle the connecting lever case, and the maintenance is very inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mechanism case top cap mounting structure of circuit breaker mechanism, it can conveniently maintain the connecting lever case.
In order to achieve the above purpose, the solution of the present invention is:
a mechanism box top cover mounting structure of a circuit breaker mechanism comprises a mechanism box top cover, a mechanism box bottom frame, three crank arm boxes and three circuit breaker shells; the three crank arm boxes are divided into an A-phase crank arm box, a B-phase crank arm box and a C-phase crank arm box, and the three breaker shells are divided into an A-phase breaker shell, a B-phase breaker shell and a C-phase breaker shell; the A-phase crank arm box, the B-phase crank arm box and the C-phase crank arm box are arranged in the chassis of the mechanism box; the phase A breaker shell, the phase B breaker shell and the phase C breaker shell are respectively connected with the upper parts of the phase A connecting lever box, the phase B connecting lever box and the phase C connecting lever box through bolts, and an phase A annular caulking groove, a phase B annular caulking groove and a phase C annular caulking groove are respectively formed between the phase A breaker shell and the phase A connecting lever box, between the phase B breaker shell and the phase B connecting lever box and between the phase C breaker shell and the phase C connecting lever box; the mechanism box top cover comprises a first half cover and a second half cover which are detachably connected, and the first half cover and the second half cover the top of the mechanism box bottom frame; the first half cover is provided with a first A-phase half hole, a first B-phase half hole and a first C-phase half hole, and the second half cover is provided with a second A-phase half hole, a second B-phase half hole and a second C-phase half hole; the first A-phase half hole and the second A-phase half hole are butted to form a complete A-phase connecting hole, and the periphery of the A-phase connecting hole is inserted into the A-phase annular caulking groove; the first B-phase half hole and the second B-phase half hole are in butt joint to form a complete B-phase connecting hole, the periphery of the B-phase connecting hole is inserted into the B-phase annular caulking groove, the first C-phase half hole and the second C-phase half hole are in butt joint to form a complete C-phase connecting hole, and the periphery of the C-phase connecting hole is inserted into the C-phase annular caulking groove; and sealant is coated on the joint of the first half cover and the second half cover of the top cover, the gap between the peripheral edge of the A-phase connecting hole and the A-phase annular caulking groove, the gap between the peripheral edge of the B-phase connecting hole and the B-phase annular caulking groove and the gap between the peripheral edge of the C-phase connecting hole and the C-phase annular caulking groove.
The first half cover and the second half cover are detachably connected through at least one detachable connection mechanism; the detachable connecting mechanism comprises a connecting block, a first connecting sheet fixed on the edge of the first half cover, a second connecting sheet fixed on the edge of the second half cover and a connecting bolt for connecting the connecting block, the first connecting sheet and the second connecting sheet; wherein the connecting block is equipped with an caulking groove, caulking groove both sides lateral wall is equipped with relative connection screw and the connect the through-hole that sets up respectively, first connection piece and second connection piece are equipped with first perforation and second perforation respectively, first connection piece and second connection piece insert in the caulking groove of connecting block and the caulking groove of connecting block hold first connection piece and second connection piece tightly, connecting bolt passes the connect the through-hole of connecting block, the first perforation of first connection piece and the second perforation back of second connection piece and the connection screw spiro union of connecting block.
The first half cover and the second half cover of the top cover are connected with the top of the mechanism box underframe through bolts.
After the technical scheme is adopted, compare the mechanism case top cap of current integral type, the utility model discloses a mechanism case top cap includes half first lid and the half lid of second of releasable connection, and this makes the utility model discloses need not dismantle the circuit breaker casing when dismantling mechanism case top cap, thereby make the utility model discloses can not need to dismantle whole circuit breaker casing when dismantling the maintenance with a certain turning arm case from mechanism case chassis to make things convenient for people to maintain the turning arm case.
Drawings
FIG. 1 is a schematic structural diagram of a top cover of a conventional mechanism box;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a combined cross-sectional view 1 of the present invention;
fig. 4 is a combined cross-sectional view 2 of the present invention;
fig. 5 is a combined cross-sectional view 3 of the present invention;
FIG. 6 is a schematic structural view of a top cover of the mechanism box of the present invention;
FIG. 7 is a schematic view of the mechanism case top cover of the present invention;
description of the reference figures of the background art:
top cover 1 ', through hole 11';
description of the specific embodiments with reference to the figures:
a mechanism box top cover 1, a first half cover 101, a second half cover 102, an A-phase connecting hole 11, a first A-phase half hole 111, a second A-phase half hole 112, a B-phase connecting hole 12, a first B-phase half hole 121, a second B-phase half hole 122, a C-phase connecting hole 13, a first C-phase half hole 131, a second C-phase half hole 132, a detachable connecting mechanism 14, a connecting block 141, an embedding groove 1411, a connecting screw hole 1412, a connecting through hole 1413, a first connecting sheet 142, a first perforation 1421, a second connecting sheet 143, a second perforation 1431, a connecting bolt 144,
the chassis 2 of the mechanism box is provided with a plurality of fixing holes,
a crank arm box 3, an A-phase crank arm box 31, a B-phase crank arm box 32, a C-phase crank arm box 33,
a circuit breaker case 4, a phase a circuit breaker case 41, a phase B circuit breaker case 42, a phase C circuit breaker case 43,
the phase A annular caulking groove 5, the phase B annular caulking groove 6 and the phase C annular caulking groove 7.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
As shown in fig. 2 to 7, the utility model discloses a mechanism box top cover mounting structure of a circuit breaker mechanism, which comprises a mechanism box top cover 1, a mechanism box bottom frame 2, three crank arm boxes 3 and three circuit breaker shells 4; the three crank arm cases 3 are divided into an a-phase crank arm case 31, a B-phase crank arm case 32, and a C-phase crank arm case 33, and the three breaker cases 4 are divided into an a-phase breaker case 41, a B-phase breaker case 42, and a C-phase breaker case 43.
As shown in fig. 3 and 4, the a-phase crank case 31, the B-phase crank case 32, and the C-phase crank case 33 are respectively installed in the mechanism case chassis 2 by bolts, and the a-phase circuit breaker case 41, the B-phase circuit breaker case 42, and the C-phase circuit breaker case 43 are respectively connected to the upper portions of the a-phase crank case 31, the B-phase crank case 32, and the C-phase crank case 33 by bolts, and the a-phase annular caulking groove 5, the B-phase annular caulking groove 6, and the C-phase annular caulking groove 7 are respectively formed between the a-phase circuit breaker case 41 and the a-phase crank case 31, between the B-phase circuit breaker case 42 and the B-phase crank case 32, and between the C-phase circuit breaker case 43 and the C-phase crank case 33.
As shown in fig. 3 to 7, the mechanism case top cover 1 comprises a first half cover 101 and a second half cover 102 which are detachably connected, and the first half cover 101 and the second half cover 102 cover the top of the mechanism case bottom frame 2; wherein the first half cover 11 is provided with a first a-phase half hole 111, a first B-phase half hole 121 and a first C-phase half hole 131, and the second half cover 102 is provided with a second a-phase half hole 112, a second B-phase half hole 122 and a second C-phase half hole 132; the first A-phase half hole 111 and the second A-phase half hole 112 are butted to form a complete A-phase connecting hole 11, the periphery of the A-phase connecting hole 11 is inserted into the A-phase annular caulking groove 5, the first B-phase half hole 121 and the second B-phase half hole 122 are butted to form a complete B-phase connecting hole 12, the periphery of the B-phase connecting hole 12 is inserted into the B-phase annular caulking groove 6, the first C-phase half hole 131 and the second C-phase half hole 132 are butted to form a complete C-phase connecting hole 13, and the periphery of the C-phase connecting hole 13 is inserted into the C-phase annular caulking groove 7; wherein the first cover half 101 and the second cover half 102 are detachably connectable by at least one detachable connection mechanism 14; the detachable connection mechanism 14 includes a connection block 141, a first connection piece 142 fixed to the edge of the first cover half 101, a second connection piece 143 fixed to the edge 102 of the second cover half, and a connection bolt 144 connecting the connection block 141, the first connection piece 142 and the second connection piece 143, the connecting block 141 is provided with an embedding groove 1411, side walls on two sides of the embedding groove 1411 are respectively provided with a connecting screw hole 1412 and a connecting through hole 1413 which are oppositely arranged, the first connecting piece 142 and the second connecting piece 143 are respectively provided with a first through hole 1421 and a second through hole 1431, the first connecting piece 142 and the second connecting piece 143 are inserted into the embedding groove 1411 of the connecting block 141, the embedding groove 1411 of the connecting block 141 tightly holds the first connecting piece 142 and the second connecting piece 143, and the connecting bolt 144 is screwed with the connecting screw hole 1412 of the connecting block 141 after passing through the connecting through hole 1413 of the connecting block 141, the first through hole 1421 of the first connecting piece 142 and the second through hole 1431 of the second connecting piece 143.
In order to avoid the water leakage problem, the joint of the first half cover 101 and the second half cover 102 of the top cover 1, the gap between the peripheral edge of the A-phase connecting hole 11 and the A-phase annular caulking groove 5, the gap between the peripheral edge of the B-phase connecting hole 12 and the B-phase annular caulking groove 6, and the gap between the peripheral edge of the C-phase connecting hole 13 and the C-phase annular caulking groove 7 are coated with sealing glue.
The utility model discloses a mechanism case top cap 1, mechanism case chassis 2, A looks turning arm case 31, B looks turning arm case 32, C looks turning arm case 33, A looks circuit breaker casing 41, B looks circuit breaker casing 42 and C looks circuit breaker casing 43 are carrying out the process of assembling and are:
firstly, an A-phase crank arm box 31, a B-phase crank arm box 32 and a C-phase crank arm box 33 are installed in a mechanism box underframe 2 through bolts, an A-phase breaker shell 41, a B-phase breaker shell 42 and a C-phase breaker shell 43 are respectively connected with the upper parts of the A-phase crank arm box 31, the B-phase crank arm box 32 and the C-phase crank arm box 33 through bolts, an A-phase annular caulking groove 5 is formed between the A-phase breaker shell 41 and the A-phase crank arm box 31 at the moment, a B-phase annular caulking groove 6 is formed between the B-phase breaker shell 42 and the B-phase crank arm box 32, and a C-phase annular caulking groove 7 is formed between the C-phase breaker shell 43 and the C-phase crank arm box 33;
secondly, the edge of the first A-phase half hole 111, the edge of the first B-phase half hole 121 and the edge of the first C-phase half hole 131 of the first half cover 101 are respectively inserted into the A-phase annular caulking groove 5, the B-phase annular caulking groove 6 and the C-phase annular caulking groove 7, and the edge of the second a-phase half hole 112, the edge of the second B-phase half hole 122 and the edge of the second C-phase half hole 132 of the second half cover 102 are inserted into the a-phase annular caulking groove 5, the B-phase annular caulking groove 6 and the C-phase annular caulking groove 7 respectively, so that the first a-phase half hole 111 and the second a-phase half hole 112 are butted to form a-phase connection hole 11 inserted circumferentially into the a-phase annular caulking groove 5, and the first B-phase half hole 121 and the second B-phase half hole 122 are butted to form a B-phase connecting hole 12 with the periphery inserted into the B-phase annular caulking groove 6, and the first C-phase half hole 131 and the second C-phase half hole 132 are butted to form a C-phase connection hole 13 with the periphery inserted into the C-phase annular caulking groove 7;
thirdly, connecting the first half cover 101 with the second half cover 102, and connecting the first half cover 101 and the second half cover 102 with the top of the mechanism box chassis 2 through bolts;
and fourthly, coating sealant on the joint of the first half cover 101 and the second half cover 102, the gap between the peripheral edge of the A-phase connecting hole 11 and the A-phase annular caulking groove 5, the gap between the peripheral edge of the B-phase connecting hole 12 and the B-phase annular caulking groove 6 and the gap between the peripheral edge of the C-phase connecting hole 13 and the C-phase annular caulking groove 7.
The utility model discloses when one of these three connecting lever case 3 of A looks connecting lever case 31, B looks connecting lever case 32 and C looks connecting lever case 33 breaks down and need take apart the maintenance, the utility model discloses coating the sealant in the junction of first half lid 101 and second half lid 102, coating the sealant in the clearance between the border of A connecting hole 11 and A looks annular caulking groove 5, coating the clearance sealant between the border of B connecting hole 12 and B looks annular caulking groove 6 and coating the sealant in the clearance between the border of C connecting hole 13 and C looks annular caulking groove 7 all cuts open and get rid of at first; then, the connection between the first half cover 101 and the second half cover 102 of the top cover 1 and the connection between the first half cover 101 and the second half cover 102 and the mechanism case chassis 2 will be released; next, the first half cover 101 and the second half cover 102 of the top cover 1 are removed, so that the first half cover 101 and the second half cover 102 are separated from the phase a annular caulking groove 5, the phase B annular caulking groove 6 and the phase C annular caulking groove 7; then, the connection between the crank arm box 31 with the fault and the mechanism box underframe 2 is released; finally, the failed crank arm case 3 is taken out together with the breaker case 4 connected to the crank arm case 3 from the mechanism case chassis 2 to repair the failed crank arm case 3.
To sum up, compared with the existing integrated mechanism box top cover, the mechanism box top cover 1 of the utility model comprises a first half cover 101 and a second half cover 102 which are detachably connected, so that the utility model does not need to disassemble the circuit breaker shell 4 when the mechanism box top cover 1 is disassembled, thereby the utility model only needs to disassemble the circuit breaker shell 4 connected with a certain crank arm box 3 when the crank arm box 3 is disassembled from the mechanism box bottom frame 2 for maintenance, and does not need to disassemble all the circuit breaker shells 4, thereby facilitating people to maintain the crank arm box 3; for example, the utility model discloses when maintaining A looks connecting lever case 31, to three circuit breaker casing 3, only need demolish A looks circuit breaker casing 41 can, need not to dismantle B looks circuit breaker casing 42 and C looks circuit breaker casing 43.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (3)
1. The utility model provides a mechanism case top cap mounting structure of circuit breaker mechanism which characterized in that: the circuit breaker comprises a mechanism box top cover, a mechanism box bottom frame, three crank arm boxes and three circuit breaker shells; the three crank arm boxes are divided into an A-phase crank arm box, a B-phase crank arm box and a C-phase crank arm box, and the three breaker shells are divided into an A-phase breaker shell, a B-phase breaker shell and a C-phase breaker shell;
the A-phase crank arm box, the B-phase crank arm box and the C-phase crank arm box are arranged in the chassis of the mechanism box; the phase A breaker shell, the phase B breaker shell and the phase C breaker shell are respectively connected with the upper parts of the phase A connecting lever box, the phase B connecting lever box and the phase C connecting lever box through bolts, and an phase A annular caulking groove, a phase B annular caulking groove and a phase C annular caulking groove are respectively formed between the phase A breaker shell and the phase A connecting lever box, between the phase B breaker shell and the phase B connecting lever box and between the phase C breaker shell and the phase C connecting lever box;
the mechanism box top cover comprises a first half cover and a second half cover which are detachably connected, and the first half cover and the second half cover the top of the mechanism box bottom frame; the first half cover is provided with a first A-phase half hole, a first B-phase half hole and a first C-phase half hole, and the second half cover is provided with a second A-phase half hole, a second B-phase half hole and a second C-phase half hole; the first A-phase half hole and the second A-phase half hole are butted to form a complete A-phase connecting hole, and the periphery of the A-phase connecting hole is inserted into the A-phase annular caulking groove; the first B-phase half hole and the second B-phase half hole are in butt joint to form a complete B-phase connecting hole, the periphery of the B-phase connecting hole is inserted into the B-phase annular caulking groove, the first C-phase half hole and the second C-phase half hole are in butt joint to form a complete C-phase connecting hole, and the periphery of the C-phase connecting hole is inserted into the C-phase annular caulking groove;
and sealant is coated on the joint of the first half cover and the second half cover of the top cover, the gap between the peripheral edge of the A-phase connecting hole and the A-phase annular caulking groove, the gap between the peripheral edge of the B-phase connecting hole and the B-phase annular caulking groove and the gap between the peripheral edge of the C-phase connecting hole and the C-phase annular caulking groove.
2. The mechanism case top cover mounting structure of a circuit breaker mechanism according to claim 1, wherein: the first half cover and the second half cover are detachably connected through at least one detachable connection mechanism;
the detachable connecting mechanism comprises a connecting block, a first connecting sheet fixed on the edge of the first half cover, a second connecting sheet fixed on the edge of the second half cover and a connecting bolt for connecting the connecting block, the first connecting sheet and the second connecting sheet; wherein the connecting block is equipped with an caulking groove, caulking groove both sides lateral wall is equipped with relative connection screw and the connect the through-hole that sets up respectively, first connection piece and second connection piece are equipped with first perforation and second perforation respectively, first connection piece and second connection piece insert in the caulking groove of connecting block and the caulking groove of connecting block hold first connection piece and second connection piece tightly, connecting bolt passes the connect the through-hole of connecting block, the first perforation of first connection piece and the second perforation back of second connection piece and the connection screw spiro union of connecting block.
3. The mechanism case top cover mounting structure of a circuit breaker mechanism according to claim 1, wherein: the first half cover and the second half cover of the top cover are connected with the top of the mechanism box underframe through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022763559.3U CN213936059U (en) | 2020-11-25 | 2020-11-25 | Mechanism box top cover mounting structure of circuit breaker mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022763559.3U CN213936059U (en) | 2020-11-25 | 2020-11-25 | Mechanism box top cover mounting structure of circuit breaker mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213936059U true CN213936059U (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022763559.3U Active CN213936059U (en) | 2020-11-25 | 2020-11-25 | Mechanism box top cover mounting structure of circuit breaker mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213936059U (en) |
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2020
- 2020-11-25 CN CN202022763559.3U patent/CN213936059U/en active Active
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